Attachment 44983 Details for Bug 35733 – The perf.data.bad which head -1500

The perf.data.bad which head -1500

perf.data.bad_1500 (text/plain), 88.50 KB, created by meng on 2011-03-29 01:02:50 UTC

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Description:

Filename:

MIME Type:

Creator: meng

Created: 2011-03-29 01:02:50 UTC

Size: 88.50 KB

patch

obsolete

># Events: 69K cycles
>#
># Overhead          Command                       Shared Object                                      Symbol
># ........  ...............  ..................................  ..........................................
>#
>    50.56%           tomboy  [unknown]                           [.] 0x41323188      
>                     |
>                     --- 0x41323180
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f34
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x41323188
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f2b
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x413231a5
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x413231fc
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266ee8
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f1f
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x413231bd
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f13
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f1b
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266ef0
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266ef2
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266eed
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x413231c2
>                         0x41323090
>                         0x41322934
>
>                     |
>                     --- 0x40266f23
>                         0x41323090
>                         0x41322934
>
>    11.52%                X  [i915]                              [k] i915_gem_object_put_fence
>                          |
>                          --- i915_gem_object_put_fence
>                             |          
>                             |--98.35%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--55.56%-- drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --44.44%-- i915_gem_object_put_fence
>                             |                     |          
>                             |                     |--98.07%-- drm_setsareactx
>                             |                     |          do_vfs_ioctl
>                             |                     |          sys_ioctl
>                             |                     |          system_call_fastpath
>                             |                     |          __GI_ioctl
>                             |                     |          
>                             |                      --1.93%-- i915_gem_object_put_fence
>                             |                                drm_setsareactx
>                             |                                do_vfs_ioctl
>                             |                                sys_ioctl
>                             |                                system_call_fastpath
>                             |                                __GI_ioctl
>                             |          
>                             |--1.28%-- drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --0.37%-- [...]
>
>     7.49%                X  [kernel.kallsyms]                   [k] rb_next
>                          |
>                          --- rb_next
>                             |          
>                             |--95.00%-- alloc_vmap_area
>                             |          __get_vm_area_node
>                             |          __vmalloc_node_range
>                             |          __vmalloc_node
>                             |          __vmalloc
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--4.98%-- __get_vm_area_node
>                             |          __vmalloc_node_range
>                             |          __vmalloc_node
>                             |          __vmalloc
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --0.02%-- [...]
>
>     1.58%                X  [kernel.kallsyms]                   [k] alloc_vmap_area
>                          |
>                          --- alloc_vmap_area
>                             |          
>                             |--99.51%-- __get_vm_area_node
>                             |          __vmalloc_node_range
>                             |          __vmalloc_node
>                             |          __vmalloc
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --0.49%-- [...]
>
>     1.11%                X  [kernel.kallsyms]                   [k] copy_user_generic_string
>                          |
>                          --- copy_user_generic_string
>                             |          
>                             |--64.60%-- i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--26.64%-- do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--6.34%-- drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--0.81%-- unix_stream_recvmsg
>                             |          sock_aio_read
>                             |          do_sync_read
>                             |          vfs_read
>                             |          sys_read
>                             |          system_call_fastpath
>                             |          __read
>                             |          
>                             |--0.66%-- unix_stream_sendmsg
>                             |          sock_aio_write
>                             |          do_sync_readv_writev
>                             |          do_readv_writev
>                             |          vfs_writev
>                             |          sys_writev
>                             |          system_call_fastpath
>                             |          __libc_writev
>                              --0.95%-- [...]
>
>     1.11%                X  libdrm_intel.so.1.0.0               [.] drm_intel_gem_bo_process_reloc2
>                          |
>                          --- drm_intel_gem_bo_process_reloc2
>
>     0.63%                X  intel_drv.so                        [.] i965_composite
>                          |
>                          --- i965_composite
>                             |          
>                             |--9.88%-- 0x3
>                             |          
>                             |--5.08%-- 0x56b8380
>                             |          
>                             |--4.80%-- 0x56d4d80
>                             |          
>                             |--4.80%-- 0x56b5750
>                             |          
>                             |--4.79%-- 0x56ba660
>                             |          
>                             |--4.78%-- 0x56b2ca0
>                             |          
>                             |--4.78%-- 0x56b5af0
>                             |          
>                             |--4.77%-- 0x56b8840
>                             |          
>                             |--4.75%-- 0x572ed10
>                             |          
>                             |--4.75%-- 0x56b3cd0
>                             |          
>                             |--4.75%-- 0x56ba9c0
>                             |          
>                             |--4.74%-- 0x56b7df0
>                             |          
>                             |--4.74%-- 0x56a79d0
>                             |          
>                             |--4.74%-- 0x56d71c0
>                             |          
>                             |--4.73%-- 0x56a9ac0
>                             |          
>                             |--4.71%-- 0x56b2970
>                             |          
>                             |--4.71%-- 0x41400000
>                             |          
>                             |--4.69%-- 0x56b3120
>                             |          
>                             |--4.65%-- 0x56b7c20
>                             |          
>                              --4.36%-- 0x56bab90
>
>     0.60%                X  [i915]                              [k] i915_wait_request
>                          |
>                          --- i915_wait_request
>                             |          
>                             |--60.03%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--83.59%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--55.03%-- drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --44.97%-- i915_gem_object_put_fence
>                             |          |                     drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --16.41%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--18.25%-- i915_wait_request
>                             |          |          
>                             |          |--65.04%-- i915_wait_request
>                             |          |          |          
>                             |          |          |--86.27%-- i915_wait_request
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |          |--12.31%-- i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --1.41%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |          |--30.88%-- drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --4.08%-- i915_gem_object_put_fence
>                             |                     |          
>                             |                     |--69.06%-- i915_gem_object_put_fence
>                             |                     |          i915_gem_object_put_fence
>                             |                     |          drm_setsareactx
>                             |                     |          do_vfs_ioctl
>                             |                     |          sys_ioctl
>                             |                     |          system_call_fastpath
>                             |                     |          __GI_ioctl
>                             |                     |          
>                             |                      --30.94%-- drm_setsareactx
>                             |                                do_vfs_ioctl
>                             |                                sys_ioctl
>                             |                                system_call_fastpath
>                             |                                __GI_ioctl
>                             |          
>                             |--15.62%-- drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                              --6.09%-- do_vfs_ioctl
>                                        sys_ioctl
>                                        system_call_fastpath
>                                        __GI_ioctl
>
>     0.54%                X  [kernel.kallsyms]                   [k] _raw_spin_lock
>                          |
>                          --- _raw_spin_lock
>                             |          
>                             |--43.83%-- drm_setsareactx
>                             |          |          
>                             |          |--86.13%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--93.60%-- i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --6.40%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --13.87%-- i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--32.43%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--94.24%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --5.76%-- i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     |          
>                             |                     |--57.05%-- i915_wait_request
>                             |                     |          drm_setsareactx
>                             |                     |          do_vfs_ioctl
>                             |                     |          sys_ioctl
>                             |                     |          system_call_fastpath
>                             |                     |          __GI_ioctl
>                             |                     |          
>                             |                      --42.95%-- i915_gem_object_put_fence
>                             |                                i915_gem_object_put_fence
>                             |                                i915_gem_object_put_fence
>                             |                                drm_setsareactx
>                             |                                do_vfs_ioctl
>                             |                                sys_ioctl
>                             |                                system_call_fastpath
>                             |                                __GI_ioctl
>                             |          
>                             |--10.14%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--87.33%-- i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --12.67%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--5.96%-- find_vmap_area
>                             |          remove_vm_area
>                             |          __vunmap
>                             |          vfree
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--1.51%-- unix_stream_sendmsg
>                             |          sock_aio_write
>                             |          do_sync_readv_writev
>                             |          do_readv_writev
>                             |          vfs_writev
>                             |          sys_writev
>                             |          system_call_fastpath
>                             |          __libc_writev
>                             |          
>                             |--1.35%-- i915_wait_request
>                             |          |          
>                             |          |--80.17%-- drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --19.83%-- i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--0.77%-- unix_stream_recvmsg
>                             |          sock_aio_read
>                             |          do_sync_read
>                             |          vfs_read
>                             |          sys_read
>                             |          system_call_fastpath
>                             |          __read
>                             |          
>                             |--0.75%-- task_rq_lock
>                             |          try_to_wake_up
>                             |          default_wake_function
>                             |          pollwake
>                             |          __wake_up_common
>                             |          __wake_up_sync_key
>                             |          sock_def_readable
>                             |          unix_stream_sendmsg
>                             |          sock_aio_write
>                             |          do_sync_readv_writev
>                             |          do_readv_writev
>                             |          vfs_writev
>                             |          sys_writev
>                             |          system_call_fastpath
>                             |          __libc_writev
>                             |          
>                             |--0.55%-- alloc_vmap_area
>                             |          __get_vm_area_node
>                             |          __vmalloc_node_range
>                             |          __vmalloc_node
>                             |          __vmalloc
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--0.55%-- try_to_wake_up
>                             |          default_wake_function
>                             |          pollwake
>                             |          __wake_up_common
>                             |          __wake_up_sync_key
>                             |          sock_def_readable
>                             |          unix_stream_sendmsg
>                             |          sock_aio_write
>                             |          do_sync_readv_writev
>                             |          do_readv_writev
>                             |          vfs_writev
>                             |          sys_writev
>                             |          system_call_fastpath
>                             |          __libc_writev
>                             |          
>                             |--0.55%-- ironlake_pch_enable
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --1.61%-- [...]
>
>     0.53%                X  intel_drv.so                        [.] uxa_glyphs
>                          |
>                          --- uxa_glyphs
>                             |          
>                             |--5.53%-- (nil)
>                             |          
>                             |--2.81%-- 0x56b7a50
>                             |          
>                             |--2.51%-- 0x56b5240
>                             |          
>                             |--2.28%-- 0x56a98e0
>                             |          
>                             |--2.22%-- 0x56b7fc0
>                             |          
>                             |--2.21%-- 0x56b7c20
>                             |          
>                             |--2.17%-- 0x56b6290
>                             |          
>                             |--2.15%-- 0x56b5750
>                             |          
>                             |--2.13%-- 0x56d6e00
>                             |          
>                             |--1.92%-- 0x560a900
>                             |          
>                             |--1.86%-- 0x560a9b0
>                             |          
>                             |--1.81%-- 0x56d49c0
>                             |          
>                             |--1.69%-- 0x56b4070
>                             |          
>                             |--1.63%-- 0x56b5580
>                             |          
>                             |--1.62%-- 0x572ed10
>                             |          
>                             |--1.62%-- 0x56a9ac0
>                             |          
>                             |--1.59%-- 0x56b8c10
>                             |          
>                             |--1.56%-- 0x56b8f40
>                             |          
>                             |--1.56%-- 0x56b3930
>                             |          
>                             |--1.55%-- 0x572ef00
>                             |          
>                             |--1.53%-- 0x56b81b0
>                             |          
>                             |--1.52%-- 0x560a730
>                             |          
>                             |--1.50%-- 0x56b48d0
>                             |          
>                             |--1.43%-- 0x56d4600
>                             |          
>                             |--1.30%-- 0x30fc978
>                             |          
>                             |--1.28%-- 0x56b46c0
>                             |          
>                             |--1.27%-- 0x56b4240
>                             |          
>                             |--1.26%-- 0x56b4c60
>                             |          
>                             |--1.26%-- 0x56d5500
>                             |          
>                             |--1.26%-- 0x56a9e80
>                             |          
>                             |--1.26%-- 0x56d3ac0
>                             |          
>                             |--1.25%-- 0x56d5140
>                             |          
>                             |--1.25%-- 0x56ba790
>                             |          
>                             |--1.24%-- 0x56ba9c0
>                             |          
>                             |--1.24%-- 0x56d3e80
>                             |          
>                             |--1.24%-- 0x572ed60
>                             |          
>                             |--1.22%-- 0x56aa410
>                             |          
>                             |--1.02%-- 0x56b2b10
>                             |          
>                             |--1.00%-- 0x56b2f50
>                             |          
>                             |--0.98%-- 0x56b4a90
>                             |          
>                             |--0.96%-- 0x56ba390
>                             |          
>                             |--0.95%-- 0x56b5af0
>                             |          
>                             |--0.95%-- 0x56d71c0
>                             |          
>                             |--0.95%-- 0x572eeb0
>                             |          
>                             |--0.95%-- 0x56b7730
>                             |          
>                             |--0.94%-- 0x560a950
>                             |          
>                             |--0.94%-- 0x56b6160
>                             |          
>                             |--0.94%-- 0x572eb40
>                             |          
>                             |--0.94%-- 0x56bab90
>                             |          
>                             |--0.94%-- 0x569f9f0
>                             |          
>                             |--0.93%-- 0x56b9ce0
>                             |          
>                             |--0.92%-- 0x56d6680
>                             |          
>                             |--0.92%-- 0x56aa150
>                             |          
>                             |--0.92%-- 0x56b89f0
>                             |          
>                             |--0.70%-- 0x56b8550
>                             |          
>                             |--0.66%-- 0x56b5290
>                             |          
>                             |--0.65%-- 0x56d7940
>                             |          
>                             |--0.64%-- 0x56b2ca0
>                             |          
>                             |--0.64%-- 0x56a79d0
>                             |          
>                             |--0.64%-- 0x56d7580
>                             |          
>                             |--0.63%-- 0x56d4d80
>                             |          
>                             |--0.63%-- 0x56b51f0
>                             |          
>                             |--0.62%-- 0x56b4500
>                             |          
>                             |--0.62%-- 0x56d4240
>                             |          
>                             |--0.62%-- 0x56d7d00
>                             |          
>                             |--0.62%-- 0x560a560
>                             |          
>                             |--0.62%-- 0x56ba0f0
>                             |          
>                             |--0.62%-- 0x56b3cd0
>                             |          
>                             |--0.62%-- 0x56b5fb0
>                             |          
>                             |--0.62%-- 0x56d6a40
>                             |          
>                             |--0.62%-- 0x56b3760
>                             |          
>                             |--0.62%-- 0x56ba4b0
>                             |          
>                             |--0.61%-- 0x56b9f20
>                             |          
>                             |--0.61%-- 0x56b5020
>                             |          
>                             |--0.61%-- 0x56b5920
>                             |          
>                             |--0.60%-- 0x56b8840
>                             |          
>                             |--0.55%-- 0x560ab80
>                              --4.70%-- [...]
>
>     0.50%                X  libdrm_intel.so.1.0.0               [.] drm_intel_add_validate_buffer2
>                          |
>                          --- drm_intel_add_validate_buffer2
>
>     0.48%                X  [i915]                              [k] ironlake_pch_enable
>                          |
>                          --- ironlake_pch_enable
>                             |          
>                             |--43.71%-- ironlake_pch_enable
>                             |          |          
>                             |          |--47.61%-- i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |          |--25.19%-- ironlake_pch_enable
>                             |          |          |          
>                             |          |          |--55.71%-- i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --44.29%-- i915_gem_cleanup_ringbuffer
>                             |          |                     |          
>                             |          |                     |--89.60%-- i915_gem_object_put_fence
>                             |          |                     |          i915_gem_object_put_fence
>                             |          |                     |          drm_setsareactx
>                             |          |                     |          do_vfs_ioctl
>                             |          |                     |          sys_ioctl
>                             |          |                     |          system_call_fastpath
>                             |          |                     |          __GI_ioctl
>                             |          |                     |          
>                             |          |                      --10.40%-- i915_gem_cleanup_ringbuffer
>                             |          |                                i915_wait_request
>                             |          |                                i915_wait_request
>                             |          |                                drm_setsareactx
>                             |          |                                do_vfs_ioctl
>                             |          |                                sys_ioctl
>                             |          |                                system_call_fastpath
>                             |          |                                __GI_ioctl
>                             |          |          
>                             |          |--16.86%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --10.33%-- i915_gem_cleanup_ringbuffer
>                             |                     i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--23.60%-- i915_wait_request
>                             |          i915_wait_request
>                             |          |          
>                             |          |--85.73%-- i915_wait_request
>                             |          |          |          
>                             |          |          |--62.18%-- i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |          |--25.06%-- i915_wait_request
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --12.77%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --14.27%-- i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--19.79%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--82.09%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |          |--14.75%-- i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --3.16%-- i915_gem_cleanup_ringbuffer
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                              --12.89%-- i915_gem_object_put_fence
>                                        |          
>                                        |--78.87%-- i915_gem_object_put_fence
>                                        |          drm_setsareactx
>                                        |          do_vfs_ioctl
>                                        |          sys_ioctl
>                                        |          system_call_fastpath
>                                        |          __GI_ioctl
>                                        |          
>                                         --21.13%-- drm_setsareactx
>                                                   do_vfs_ioctl
>                                                   sys_ioctl
>                                                   system_call_fastpath
>                                                   __GI_ioctl
>
>     0.44%                X  [kernel.kallsyms]                   [k] kref_get
>                          |
>                          --- kref_get
>                             |          
>                             |--47.40%-- drm_setsareactx
>                             |          |          
>                             |          |--68.12%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--85.65%-- i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --14.35%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --31.88%-- i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--35.30%-- i915_gem_cleanup_ringbuffer
>                             |          i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--16.23%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--98.37%-- i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --1.63%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                              --1.06%-- i915_wait_request
>                                        drm_setsareactx
>                                        do_vfs_ioctl
>                                        sys_ioctl
>                                        system_call_fastpath
>                                        __GI_ioctl
>
>     0.44%                X  [drm]                               [k] drm_setsareactx
>                          |
>                          --- drm_setsareactx
>                             |          
>                             |--74.36%-- do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--10.84%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--78.96%-- i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --21.04%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--5.48%-- drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--5.20%-- i915_wait_request
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                             |--3.79%-- sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --0.33%-- [...]
>
>     0.39%                X  [i915]                              [k] i915_gem_cleanup_ringbuffer
>                          |
>                          --- i915_gem_cleanup_ringbuffer
>                             |          
>                             |--57.85%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--86.47%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--57.03%-- drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --42.97%-- i915_gem_object_put_fence
>                             |          |                     drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --13.53%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--22.33%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--38.63%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |          |--34.29%-- i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          |          
>                             |          |          |--91.72%-- i915_wait_request
>                             |          |          |          |          
>                             |          |          |          |--74.52%-- i915_gem_object_put_fence
>                             |          |          |          |          i915_gem_object_put_fence
>                             |          |          |          |          i915_gem_object_put_fence
>                             |          |          |          |          drm_setsareactx
>                             |          |          |          |          do_vfs_ioctl
>                             |          |          |          |          sys_ioctl
>                             |          |          |          |          system_call_fastpath
>                             |          |          |          |          __GI_ioctl
>                             |          |          |          |          
>                             |          |          |           --25.48%-- i915_wait_request
>                             |          |          |                     drm_setsareactx
>                             |          |          |                     do_vfs_ioctl
>                             |          |          |                     sys_ioctl
>                             |          |          |                     system_call_fastpath
>                             |          |          |                     __GI_ioctl
>                             |          |          |          
>                             |          |           --8.28%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --27.08%-- i915_gem_cleanup_ringbuffer
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--18.32%-- i915_wait_request
>                             |          i915_wait_request
>                             |          |          
>                             |          |--97.94%-- i915_wait_request
>                             |          |          |          
>                             |          |          |--52.95%-- i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |          |--41.21%-- i915_wait_request
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --5.85%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --2.06%-- i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                              --1.50%-- drm_setsareactx
>                                        do_vfs_ioctl
>                                        sys_ioctl
>                                        system_call_fastpath
>                                        __GI_ioctl
>
>     0.36%          swapper  [kernel.kallsyms]                   [k] mwait_idle_with_hints
>                    |
>                    --- mwait_idle_with_hints
>                       |          
>                       |--92.44%-- acpi_processor_ffh_cstate_enter
>                       |          |          
>                       |          |--86.29%-- acpi_idle_enter_c1
>                       |          |          cpuidle_idle_call
>                       |          |          cpu_idle
>                       |          |          |          
>                       |          |          |--50.18%-- rest_init
>                       |          |          |          start_kernel
>                       |          |          |          x86_64_start_reservations
>                       |          |          |          x86_64_start_kernel
>                       |          |          |          
>                       |          |           --49.82%-- start_secondary
>                       |          |          
>                       |          |--11.63%-- acpi_idle_enter_bm
>                       |          |          cpuidle_idle_call
>                       |          |          cpu_idle
>                       |          |          |          
>                       |          |          |--77.23%-- start_secondary
>                       |          |          |          
>                       |          |           --22.77%-- rest_init
>                       |          |                     start_kernel
>                       |          |                     x86_64_start_reservations
>                       |          |                     x86_64_start_kernel
>                       |          |          
>                       |           --2.08%-- acpi_idle_enter_simple
>                       |                     cpuidle_idle_call
>                       |                     cpu_idle
>                       |                     |          
>                       |                     |--61.15%-- start_secondary
>                       |                     |          
>                       |                      --38.85%-- rest_init
>                       |                                start_kernel
>                       |                                x86_64_start_reservations
>                       |                                x86_64_start_kernel
>                       |          
>                        --7.56%-- acpi_idle_enter_c1
>                                  cpuidle_idle_call
>                                  cpu_idle
>                                  |          
>                                  |--57.27%-- rest_init
>                                  |          start_kernel
>                                  |          x86_64_start_reservations
>                                  |          x86_64_start_kernel
>                                  |          
>                                   --42.73%-- start_secondary
>
>     0.33%                X  [kernel.kallsyms]                   [k] iowrite32
>                          |
>                          --- iowrite32
>                             |          
>                             |--77.50%-- i915_gem_object_put_fence
>                             |          i915_gem_object_put_fence
>                             |          |          
>                             |          |--78.89%-- i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --21.11%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--12.32%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--80.57%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --19.43%-- i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                              --10.18%-- ironlake_pch_enable
>                                        |          
>                                        |--88.96%-- i915_gem_cleanup_ringbuffer
>                                        |          |          
>                                        |          |--92.03%-- i915_gem_object_put_fence
>                                        |          |          i915_gem_object_put_fence
>                                        |          |          drm_setsareactx
>                                        |          |          do_vfs_ioctl
>                                        |          |          sys_ioctl
>                                        |          |          system_call_fastpath
>                                        |          |          __GI_ioctl
>                                        |          |          
>                                        |           --7.97%-- i915_wait_request
>                                        |                     i915_wait_request
>                                        |                     i915_wait_request
>                                        |                     i915_wait_request
>                                        |                     drm_setsareactx
>                                        |                     do_vfs_ioctl
>                                        |                     sys_ioctl
>                                        |                     system_call_fastpath
>                                        |                     __GI_ioctl
>                                        |          
>                                         --11.04%-- i915_gem_object_put_fence
>                                                   i915_gem_object_put_fence
>                                                   drm_setsareactx
>                                                   do_vfs_ioctl
>                                                   sys_ioctl
>                                                   system_call_fastpath
>                                                   __GI_ioctl
>
>     0.33%                X  [kernel.kallsyms]                   [k] kref_put
>                          |
>                          --- kref_put
>                             |          
>                             |--72.36%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--59.94%-- drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --40.06%-- i915_gem_object_put_fence
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--14.01%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--75.60%-- i915_gem_cleanup_ringbuffer
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          |          
>                             |          |          |--87.05%-- i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --12.95%-- i915_wait_request
>                             |          |                     drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --24.40%-- i915_wait_request
>                             |                     |          
>                             |                     |--87.27%-- i915_wait_request
>                             |                     |          i915_wait_request
>                             |                     |          |          
>                             |                     |          |--72.59%-- i915_gem_object_put_fence
>                             |                     |          |          i915_gem_object_put_fence
>                             |                     |          |          i915_gem_object_put_fence
>                             |                     |          |          drm_setsareactx
>                             |                     |          |          do_vfs_ioctl
>                             |                     |          |          sys_ioctl
>                             |                     |          |          system_call_fastpath
>                             |                     |          |          __GI_ioctl
>                             |                     |          |          
>                             |                     |           --27.41%-- i915_wait_request
>                             |                     |                     drm_setsareactx
>                             |                     |                     do_vfs_ioctl
>                             |                     |                     sys_ioctl
>                             |                     |                     system_call_fastpath
>                             |                     |                     __GI_ioctl
>                             |                     |          
>                             |                      --12.73%-- drm_setsareactx
>                             |                                do_vfs_ioctl
>                             |                                sys_ioctl
>                             |                                system_call_fastpath
>                             |                                __GI_ioctl
>                             |          
>                             |--9.35%-- i915_wait_request
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                             |          
>                              --4.28%-- drm_setsareactx
>                                        do_vfs_ioctl
>                                        sys_ioctl
>                                        system_call_fastpath
>                                        __GI_ioctl
>
>     0.31%                X  [kernel.kallsyms]                   [k] __list_del_entry
>                          |
>                          --- __list_del_entry
>                             |          
>                             |--47.75%-- i915_gem_object_put_fence
>                             |          |          
>                             |          |--83.69%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--55.77%-- drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --44.23%-- i915_gem_object_put_fence
>                             |          |                     |          
>                             |          |                     |--86.18%-- drm_setsareactx
>                             |          |                     |          do_vfs_ioctl
>                             |          |                     |          sys_ioctl
>                             |          |                     |          system_call_fastpath
>                             |          |                     |          __GI_ioctl
>                             |          |                     |          
>                             |          |                      --13.82%-- i915_gem_object_put_fence
>                             |          |                                drm_setsareactx
>                             |          |                                do_vfs_ioctl
>                             |          |                                sys_ioctl
>                             |          |                                system_call_fastpath
>                             |          |                                __GI_ioctl
>                             |          |          
>                             |           --16.31%-- drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--27.61%-- i915_gem_cleanup_ringbuffer
>                             |          |          
>                             |          |--44.11%-- i915_gem_object_put_fence
>                             |          |          |          
>                             |          |          |--96.20%-- i915_gem_object_put_fence
>                             |          |          |          |          
>                             |          |          |          |--76.18%-- drm_setsareactx
>                             |          |          |          |          do_vfs_ioctl
>                             |          |          |          |          sys_ioctl
>                             |          |          |          |          system_call_fastpath
>                             |          |          |          |          __GI_ioctl
>                             |          |          |          |          
>                             |          |          |           --23.82%-- i915_gem_object_put_fence
>                             |          |          |                     drm_setsareactx
>                             |          |          |                     do_vfs_ioctl
>                             |          |          |                     sys_ioctl
>                             |          |          |                     system_call_fastpath
>                             |          |          |                     __GI_ioctl
>                             |          |          |          
>                             |          |           --3.80%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |          |--35.87%-- i915_wait_request
>                             |          |          i915_wait_request
>                             |          |          |          
>                             |          |          |--92.36%-- i915_wait_request
>                             |          |          |          |          
>                             |          |          |          |--61.26%-- i915_gem_object_put_fence
>                             |          |          |          |          i915_gem_object_put_fence
>                             |          |          |          |          i915_gem_object_put_fence
>                             |          |          |          |          drm_setsareactx
>                             |          |          |          |          do_vfs_ioctl
>                             |          |          |          |          sys_ioctl
>                             |          |          |          |          system_call_fastpath
>                             |          |          |          |          __GI_ioctl
>                             |          |          |          |          
>                             |          |          |           --38.74%-- i915_wait_request
>                             |          |          |                     drm_setsareactx
>                             |          |          |                     do_vfs_ioctl
>                             |          |          |                     sys_ioctl
>                             |          |          |                     system_call_fastpath
>                             |          |          |                     __GI_ioctl
>                             |          |          |          
>                             |          |           --7.64%-- drm_setsareactx
>                             |          |                     do_vfs_ioctl
>                             |          |                     sys_ioctl
>                             |          |                     system_call_fastpath
>                             |          |                     __GI_ioctl
>                             |          |          
>                             |           --20.02%-- i915_gem_cleanup_ringbuffer
>                             |                     |          
>                             |                     |--76.40%-- i915_wait_request
>                             |                     |          i915_wait_request
>                             |                     |          i915_wait_request
>                             |                     |          |          
>                             |                     |          |--87.60%-- i915_gem_object_put_fence
>                             |                     |          |          i915_gem_object_put_fence
>                             |                     |          |          i915_gem_object_put_fence
>                             |                     |          |          drm_setsareactx
>                             |                     |          |          do_vfs_ioctl
>                             |                     |          |          sys_ioctl
>                             |                     |          |          system_call_fastpath
>                             |                     |          |          __GI_ioctl
>                             |                     |          |          
>                             |                     |           --12.40%-- i915_wait_request
>                             |                     |                     drm_setsareactx
>                             |                     |                     do_vfs_ioctl
>                             |                     |                     sys_ioctl
>                             |                     |                     system_call_fastpath
>                             |                     |                     __GI_ioctl
>                             |                     |          
>                             |                     |--16.67%-- i915_gem_object_put_fence
>                             |                     |          i915_gem_object_put_fence
>                             |                     |          drm_setsareactx
>                             |                     |          do_vfs_ioctl
>                             |                     |          sys_ioctl
>                             |                     |          system_call_fastpath
>                             |                     |          __GI_ioctl
>                             |                     |          
>                             |                      --6.94%-- i915_gem_cleanup_ringbuffer
>                             |                                i915_wait_request
>                             |                                i915_wait_request
>                             |                                drm_setsareactx
>                             |                                do_vfs_ioctl
>                             |                                sys_ioctl
>                             |                                system_call_fastpath
>                             |                                __GI_ioctl
>                             |          
>                             |--8.99%-- get_page_from_freelist
>                             |          __alloc_pages_nodemask
>                             |          alloc_pages_current
>                             |          |          
>                             |          |--86.03%-- __vmalloc_node_range
>                             |          |          __vmalloc_node
>                             |          |          __vmalloc
>                             |          |          i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |          |--8.63%-- __get_free_pages
>                             |          |          __pollwait
>                             |          |          unix_poll
>                             |          |          sock_poll
>                             |          |          do_select
>                             |          |          core_sys_select
>                             |          |          sys_select
>                             |          |          system_call_fastpath
>                             |          |          __libc_select
>                             |          |          
>                             |           --5.34%-- new_slab
>                             |                     __slab_alloc
>                             |                     kmem_cache_alloc_node_trace
>                             |                     alloc_vmap_area
>                             |                     __get_vm_area_node
>                             |                     __vmalloc_node_range
>                             |                     __vmalloc_node
>                             |                     __vmalloc
>                             |                     i915_gem_object_put_fence
>                             |                     i915_gem_object_put_fence
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--8.85%-- list_del
>                             |          |          
>                             |          |--57.19%-- get_page_from_freelist
>                             |          |          __alloc_pages_nodemask
>                             |          |          alloc_pages_current
>                             |          |          |          
>                             |          |          |--83.15%-- __vmalloc_node_range
>                             |          |          |          __vmalloc_node
>                             |          |          |          __vmalloc
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          i915_gem_object_put_fence
>                             |          |          |          drm_setsareactx
>                             |          |          |          do_vfs_ioctl
>                             |          |          |          sys_ioctl
>                             |          |          |          system_call_fastpath
>                             |          |          |          __GI_ioctl
>                             |          |          |          
>                             |          |           --16.85%-- __get_free_pages
>                             |          |                     __pollwait
>                             |          |                     unix_poll
>                             |          |                     sock_poll
>                             |          |                     do_select
>                             |          |                     core_sys_select
>                             |          |                     sys_select
>                             |          |                     system_call_fastpath
>                             |          |                     __libc_select
>                             |          |          
>                             |          |--38.49%-- remove_wait_queue
>                             |          |          free_poll_entry
>                             |          |          poll_freewait
>                             |          |          do_select
>                             |          |          core_sys_select
>                             |          |          sys_select
>                             |          |          system_call_fastpath
>                             |          |          __libc_select
>                             |          |          
>                             |           --4.33%-- i915_gem_cleanup_ringbuffer
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--4.15%-- remove_wait_queue
>                             |          free_poll_entry
>                             |          poll_freewait
>                             |          do_select
>                             |          core_sys_select
>                             |          sys_select
>                             |          system_call_fastpath
>                             |          __libc_select
>                             |          
>                             |--1.38%-- i915_wait_request
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          |          
>                             |          |--66.52%-- i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          i915_gem_object_put_fence
>                             |          |          drm_setsareactx
>                             |          |          do_vfs_ioctl
>                             |          |          sys_ioctl
>                             |          |          system_call_fastpath
>                             |          |          __GI_ioctl
>                             |          |          
>                             |           --33.48%-- i915_wait_request
>                             |                     drm_setsareactx
>                             |                     do_vfs_ioctl
>                             |                     sys_ioctl
>                             |                     system_call_fastpath
>                             |                     __GI_ioctl
>                             |          
>                             |--0.80%-- finish_wait
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          i915_wait_request
>                             |          drm_setsareactx
>                             |          do_vfs_ioctl
>                             |          sys_ioctl
>                             |          system_call_fastpath
>                             |          __GI_ioctl
>                              --0.46%-- [...]
>
>     0.30%                X  [kernel.kallsyms]                   [k] __list_add
>                          |
>                          --- __list_add
>                             |          
>                             |--42.94%-- i915_gem_object_put_fence
>                             |          |

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Attachments on bug 35733: 44980 | 44981 | 44983 | 44985 | 44988 | 44989

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