Attachment 141631 Details for Bug 107955 – pref report --header

pref report --header

report.header (text/plain), 41.00 KB, created by Mike Lothian on 2018-09-18 09:32:26 UTC

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Creator: Mike Lothian

Created: 2018-09-18 09:32:26 UTC

Size: 41.00 KB

patch

obsolete

># ========
># captured on: Tue Sep 18 10:30:27 2018
># hostname : axion
># os release : 4.19.0-rc1-agd5f+
># perf version : 4.14.33
># arch : x86_64
># nrcpus online : 8
># nrcpus avail : 8
># cpudesc : Intel(R) Core(TM) i7-6820HK CPU @ 2.70GHz
># cpuid : GenuineIntel,6,94,3
># total memory : 32750752 kB
># cmdline : /usr/bin/perf record -e rpm:rpm_resume --call-graph=dwarf 
># event : name = rpm:rpm_resume, , type = 2, size = 112, config = 0xce, { sample_period, sample_freq } = 1, sample_type = IP|TID|TIME|ADDR|CALLCHAIN|CPU|PERIOD|RAW|REGS_USER|STACK_USER|DATA_SRC, disabled = 1, inherit = 1, mmap = 1, comm = 1, task = 1, mmap_data = 1, sample_id_all = 1, exclude_guest = 1, exclude_callchain_user = 1, mmap2 = 1, comm_exec = 1, sample_regs_user = 0xff0fff, sample_stack_user = 8192
># CPU_TOPOLOGY info available, use -I to display
># pmu mappings: software = 1, power = 8, uncore_imc = 9, cpu = 4, cstate_core = 15, uncore_cbox_2 = 12, breakpoint = 5, uncore_cbox_0 = 10, tracepoint = 2, cstate_pkg = 16, uncore_arb = 14, i915 = 17, msr = 7, uncore_cbox_3 = 13, intel_pt = 6, uncore_cbox_1 = 11
># CACHE info available, use -I to display
># missing features: NUMA_TOPOLOGY BRANCH_STACK GROUP_DESC AUXTRACE STAT 
># ========
>#
>#
># Total Lost Samples: 0
>#
># Samples: 1K of event 'rpm:rpm_resume'
># Event count (approx.): 1791
>#
># Children      Self  Trace output                                               
># ........  ........  ...........................................................
>#
>    41.15%    41.15%  0000:00:02.0 flags-4 cnt-10 dep-0  auto-0 p-0 irq-0 child-0
>            |          
>            |--8.99%--0x55c24fb9b97f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __x64_sys_futex
>            |          do_vfs_ioctl
>            |          |          
>            |           --8.65%--i915_gem_execbuffer2_ioctl
>            |                     drm_ioctl
>            |                     drm_ioctl_kernel
>            |                     i915_gem_execbuffer2_ioctl
>            |                     i915_gem_execbuffer2_ioctl
>            |                     i915_gem_execbuffer2_ioctl
>            |                     __kmalloc
>            |                     __sched_text_start
>            |                     |          
>            |                      --8.32%--__switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                __switch_to_asm
>            |                                i915_gem_do_execbuffer
>            |                                intel_runtime_pm_get
>            |                                __pm_runtime_resume
>            |                                |          
>            |                                 --8.15%--ttwu_do_wakeup
>            |                                           check_preempt_curr
>            |                                           rpm_resume
>            |                                           rpm_resume
>            |          
>            |--6.76%--0x55708b9523bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          vfs_read
>            |          do_vfs_ioctl
>            |          i915_gem_execbuffer2_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          i915_gem_execbuffer2_ioctl
>            |          i915_gem_execbuffer2_ioctl
>            |          i915_gem_execbuffer2_ioctl
>            |          |          
>            |           --6.70%--__kmalloc
>            |                     sock_def_readable
>            |                     __wake_up_common_lock
>            |                     __wake_up_common
>            |                     default_wake_function
>            |                     try_to_wake_up
>            |                     i915_gem_do_execbuffer
>            |                     intel_runtime_pm_get
>            |                     __pm_runtime_resume
>            |                     enqueue_entity
>            |                     rpm_resume
>            |                     rpm_resume
>            |          
>            |--6.64%--0x7fa564293347
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sched_text_start
>            |          do_vfs_ioctl
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          __switch_to_asm
>            |          i915_gem_execbuffer2_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          i915_gem_execbuffer2_ioctl
>            |          mutex_lock_interruptible
>            |          i915_gem_execbuffer2_ioctl
>            |          i915_gem_execbuffer2_ioctl
>            |          |          
>            |          |--5.64%--_cond_resched
>            |          |          |          
>            |          |           --5.58%--i915_gem_object_wait_reservation
>            |          |                     reservation_object_get_fences_rcu
>            |          |                     |          
>            |          |                     |--5.03%--__switch_to_asm
>            |          |                     |          __switch_to_asm
>            |          |                     |          __switch_to_asm
>            |          |                     |          i915_gem_do_execbuffer
>            |          |                     |          intel_runtime_pm_get
>            |          |                     |          __pm_runtime_resume
>            |          |                     |          |          
>            |          |                     |          |--4.41%--__i915_sw_fence_complete
>            |          |                     |          |          submit_notify
>            |          |                     |          |          rpm_resume
>            |          |                     |          |          rpm_resume
>            |          |                     |          |          
>            |          |                     |           --0.50%--__i915_vma_retire.isra.31
>            |          |                     |                     rpm_resume
>            |          |                     |                     rpm_resume
>            |          |                     |          
>            |          |                      --0.56%--reservation_object_get_fences_rcu
>            |          |                                |          
>            |          |                                 --0.45%--__cgroup_account_cputime
>            |          |                                           __switch_to_asm
>            |          |                                           __switch_to_asm
>            |          |                                           __switch_to_asm
>            |          |                                           __switch_to_asm
>            |          |                                           i915_gem_do_execbuffer
>            |          |                                           intel_runtime_pm_get
>            |          |                                           __pm_runtime_resume
>            |          |          
>            |           --0.45%--__radix_tree_insert
>            |          
>            |--2.23%--0x55708aff29af
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--1.34%--ret_from_fork
>            |          kthread
>            |          worker_thread
>            |          kthread
>            |          worker_thread
>            |          process_one_work
>            |          |          
>            |          |--0.84%--__i915_gem_free_work
>            |          |          |          
>            |          |           --0.73%--__switch_to_asm
>            |          |                     __switch_to_asm
>            |          |                     |          
>            |          |                      --0.61%--__i915_gem_free_objects
>            |          |                                intel_runtime_pm_get
>            |          |                                __pm_runtime_resume
>            |          |                                __switch_to_asm
>            |          |                                __switch_to_asm
>            |          |                                __switch_to_asm
>            |          |                                __switch_to_asm
>            |          |                                __switch_to_asm
>            |          |                                __switch_to_asm
>            |          |                                rpm_resume
>            |          |                                rpm_resume
>            |          |          
>            |           --0.50%--i915_gem_retire_work_handler
>            |                     i915_retire_requests
>            |                     i915_request_retire
>            |                     execlists_context_unpin
>            |                     intel_ring_unpin
>            |                     i915_vma_unpin_iomap
>            |                     i915_vma_flush_writes.part.34
>            |                     i915_gem_flush_ggtt_writes
>            |                     intel_runtime_pm_get
>            |                     __pm_runtime_resume
>            |                     __switch_to_asm
>            |                     __switch_to_asm
>            |                     __switch_to_asm
>            |                     rpm_resume
>            |                     rpm_resume
>            |          
>            |--1.06%--0x55708c6277df
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.89%--ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          
>            |--0.84%--0x55708c4b491f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.73%--0x55708c72b3bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          |          
>            |           --0.67%--intel_pin_and_fence_fb_obj
>            |                     intel_runtime_pm_get
>            |                     __pm_runtime_resume
>            |                     rpm_resume
>            |                     rpm_resume
>            |          
>            |--0.67%--0x55708c6aea2f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.61%--0x55708aff28af
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.56%--0x55708aff20cf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.56%--0x55708afe272f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          vfs_read
>            |          do_vfs_ioctl
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.56%--0x55708afe1bcf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          vfs_read
>            |          do_vfs_ioctl
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.56%--0x55708afdd16f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          vfs_read
>            |          do_vfs_ioctl
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>             --0.50%--0x55708aff2e2f
>                       ioctl
>                       entry_SYSCALL_64
>                       do_syscall_64
>                       __x64_sys_ioctl
>                       ksys_ioctl
>                       vfs_read
>                       do_vfs_ioctl
>                       drm_mode_atomic_ioctl
>                       drm_ioctl
>                       drm_ioctl_kernel
>                       drm_mode_atomic_ioctl
>                       drm_mode_atomic_ioctl
>                       intel_atomic_commit
>                       drm_atomic_helper_prepare_planes
>                       intel_prepare_plane_fb
>                       intel_plane_pin_fb
>                       intel_pin_and_fence_fb_obj
>                       intel_runtime_pm_get
>                       __pm_runtime_resume
>                       rpm_resume
>                       rpm_resume
>
>    38.36%    38.36%  0000:00:02.0 flags-4 cnt-11 dep-0  auto-0 p-0 irq-0 child-0
>            |          
>            |--5.53%--0x7fa564293347
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          |          
>            |          |--4.91%--__sched_text_start
>            |          |          do_vfs_ioctl
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          __switch_to_asm
>            |          |          i915_gem_execbuffer2_ioctl
>            |          |          drm_ioctl
>            |          |          drm_ioctl_kernel
>            |          |          i915_gem_execbuffer2_ioctl
>            |          |          |          
>            |          |           --4.58%--mutex_lock_interruptible
>            |          |                     i915_gem_execbuffer2_ioctl
>            |          |                     i915_gem_execbuffer2_ioctl
>            |          |                     |          
>            |          |                     |--2.96%--_cond_resched
>            |          |                     |          |          
>            |          |                     |           --2.62%--i915_gem_object_wait_reservation
>            |          |                     |                     reservation_object_get_fences_rcu
>            |          |                     |                     |          
>            |          |                     |                      --2.01%--__switch_to_asm
>            |          |                     |                                __switch_to_asm
>            |          |                     |                                __switch_to_asm
>            |          |                     |                                i915_gem_do_execbuffer
>            |          |                     |                                intel_runtime_pm_get
>            |          |                     |                                __pm_runtime_resume
>            |          |                     |                                |          
>            |          |                     |                                 --1.56%--__i915_sw_fence_complete
>            |          |                     |                                           submit_notify
>            |          |                     |                                           rpm_resume
>            |          |                     |                                           rpm_resume
>            |          |                     |          
>            |          |                     |--0.61%--__radix_tree_insert
>            |          |                     |          |          
>            |          |                     |           --0.56%--__radix_tree_create
>            |          |                     |                     i915_gem_do_execbuffer
>            |          |                     |                     intel_runtime_pm_get
>            |          |                     |                     __pm_runtime_resume
>            |          |                     |                     |          
>            |          |                     |                      --0.50%--__i915_sw_fence_complete
>            |          |                     |                                submit_notify
>            |          |                     |                                rpm_resume
>            |          |                     |                                rpm_resume
>            |          |                     |          
>            |          |                     |--0.56%--i915_gem_object_wait_reservation
>            |          |                     |          |          
>            |          |                     |           --0.50%--reservation_object_get_fences_rcu
>            |          |                     |                     __switch_to_asm
>            |          |                     |                     __switch_to_asm
>            |          |                     |                     __switch_to_asm
>            |          |                     |                     i915_gem_do_execbuffer
>            |          |                     |                     intel_runtime_pm_get
>            |          |                     |                     __pm_runtime_resume
>            |          |                     |                     |          
>            |          |                     |                      --0.45%--__i915_sw_fence_complete
>            |          |                     |                                submit_notify
>            |          |                     |                                rpm_resume
>            |          |                     |                                rpm_resume
>            |          |                     |          
>            |          |                      --0.45%--shmem_write_end
>            |          |                                __set_page_dirty_no_writeback
>            |          |                                set_page_dirty
>            |          |                                shmem_getpage_gfp.isra.64
>            |          |                                i915_gem_do_execbuffer
>            |          |                                intel_runtime_pm_get
>            |          |                                __pm_runtime_resume
>            |          |          
>            |           --0.61%--handle_mm_fault
>            |                     do_vfs_ioctl
>            |          
>            |--4.69%--0x55708b9523bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          |          
>            |           --4.08%--vfs_read
>            |                     do_vfs_ioctl
>            |                     i915_gem_execbuffer2_ioctl
>            |                     drm_ioctl
>            |                     drm_ioctl_kernel
>            |                     i915_gem_execbuffer2_ioctl
>            |                     i915_gem_execbuffer2_ioctl
>            |                     i915_gem_execbuffer2_ioctl
>            |                     __kmalloc
>            |                     sock_def_readable
>            |                     __wake_up_common_lock
>            |                     __wake_up_common
>            |                     default_wake_function
>            |                     try_to_wake_up
>            |                     i915_gem_do_execbuffer
>            |                     intel_runtime_pm_get
>            |                     __pm_runtime_resume
>            |                     enqueue_entity
>            |                     rpm_resume
>            |                     rpm_resume
>            |          
>            |--4.13%--0x55c24fb9b97f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          |          
>            |           --4.08%--__x64_sys_futex
>            |                     do_vfs_ioctl
>            |                     |          
>            |                      --4.02%--i915_gem_execbuffer2_ioctl
>            |                                drm_ioctl
>            |                                drm_ioctl_kernel
>            |                                i915_gem_execbuffer2_ioctl
>            |                                |          
>            |                                 --3.96%--i915_gem_execbuffer2_ioctl
>            |                                           i915_gem_execbuffer2_ioctl
>            |                                           __kmalloc
>            |                                           __sched_text_start
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           __switch_to_asm
>            |                                           i915_gem_do_execbuffer
>            |                                           intel_runtime_pm_get
>            |                                           __pm_runtime_resume
>            |                                           |          
>            |                                            --3.91%--ttwu_do_wakeup
>            |                                                      check_preempt_curr
>            |                                                      rpm_resume
>            |                                                      rpm_resume
>            |          
>            |--1.34%--0x55708c59c94f
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.95%--ret_from_fork
>            |          kthread
>            |          worker_thread
>            |          kthread
>            |          worker_thread
>            |          process_one_work
>            |          |          
>            |           --0.67%--__i915_gem_free_work
>            |          
>            |--0.67%--0x55708c72b3bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          drm_atomic_helper_prepare_planes
>            |          intel_prepare_plane_fb
>            |          intel_plane_pin_fb
>            |          intel_pin_and_fence_fb_obj
>            |          intel_runtime_pm_get
>            |          __pm_runtime_resume
>            |          rpm_resume
>            |          rpm_resume
>            |          
>            |--0.61%--ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          
>             --0.45%--0x55708c6aea2f
>                       ioctl
>                       entry_SYSCALL_64
>                       do_syscall_64
>                       __x64_sys_ioctl
>                       ksys_ioctl
>                       __sys_recvmsg
>                       do_vfs_ioctl
>                       hrtimer_start_range_ns
>                       drm_mode_atomic_ioctl
>                       drm_ioctl
>                       drm_ioctl_kernel
>                       drm_mode_atomic_ioctl
>                       drm_mode_atomic_ioctl
>                       intel_atomic_commit
>                       drm_atomic_helper_prepare_planes
>                       intel_prepare_plane_fb
>                       intel_plane_pin_fb
>                       intel_pin_and_fence_fb_obj
>                       intel_runtime_pm_get
>                       __pm_runtime_resume
>                       rpm_resume
>                       rpm_resume
>
>    10.55%    10.55%  0000:00:02.0 flags-4 cnt-12 dep-0  auto-0 p-0 irq-0 child-0
>            |          
>            |--0.78%--0x2
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          hrtimer_start_range_ns
>            |          drm_mode_atomic_ioctl
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_atomic_ioctl
>            |          drm_mode_atomic_ioctl
>            |          intel_atomic_commit
>            |          flush_workqueue
>            |          intel_atomic_commit_tail
>            |          skl_update_crtcs
>            |          intel_update_crtc
>            |          haswell_crtc_enable
>            |          |          
>            |           --0.73%--intel_encoders_pre_enable.isra.107
>            |                     fwtable_read32
>            |                     intel_ddi_pre_enable
>            |                     |          
>            |                      --0.61%--intel_dp_start_link_train
>            |          
>            |--0.61%--0x55708b9523bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          |          
>            |           --0.50%--__sys_recvmsg
>            |                     do_vfs_ioctl
>            |                     drm_mode_getconnector
>            |                     drm_ioctl
>            |                     drm_ioctl_kernel
>            |                     drm_mode_getconnector
>            |                     drm_mode_getconnector
>            |                     drm_helper_probe_single_connector_modes
>            |          
>             --0.45%--ioctl
>                       entry_SYSCALL_64
>                       do_syscall_64
>                       __x64_sys_ioctl
>                       ksys_ioctl
>
>     6.48%     6.48%  0000:00:02.0 flags-4 cnt-4  dep-0  auto-0 p-0 irq-0 child-0
>            |          
>            |--1.84%--ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          |          
>            |           --1.40%--handle_mm_fault
>            |                     do_vfs_ioctl
>            |                     __handle_mm_fault
>            |                     |          
>            |                      --1.12%--i915_gem_set_tiling_ioctl
>            |                                drm_ioctl
>            |                                drm_ioctl_kernel
>            |                                i915_gem_set_tiling_ioctl
>            |                                i915_gem_set_tiling_ioctl
>            |                                i915_gem_object_set_tiling
>            |                                i915_gem_release_mmap
>            |                                intel_runtime_pm_get
>            |                                __pm_runtime_resume
>            |                                |          
>            |                                 --1.06%--rpm_resume
>            |                                           rpm_resume
>            |          
>             --1.34%--ret_from_fork
>                       kthread
>                       worker_thread
>                       kthread
>                       worker_thread
>                       process_one_work
>                       |          
>                        --1.01%--__i915_gem_free_work
>                                  __switch_to_asm
>                                  __switch_to_asm
>                                  |          
>                                   --0.78%--__i915_gem_free_objects
>                                             intel_runtime_pm_get
>                                             __pm_runtime_resume
>                                             __switch_to_asm
>                                             __switch_to_asm
>                                             __switch_to_asm
>                                             __switch_to_asm
>                                             __switch_to_asm
>                                             __switch_to_asm
>                                             rpm_resume
>                                             rpm_resume
>
>     1.12%     1.12%  0000:00:02.0 flags-4 cnt-13 dep-0  auto-0 p-0 irq-0 child-0
>            |          
>            |--0.50%--0x55708b9523bf
>            |          ioctl
>            |          entry_SYSCALL_64
>            |          do_syscall_64
>            |          __x64_sys_ioctl
>            |          ksys_ioctl
>            |          __sys_recvmsg
>            |          do_vfs_ioctl
>            |          drm_mode_getconnector
>            |          drm_ioctl
>            |          drm_ioctl_kernel
>            |          drm_mode_getconnector
>            |          drm_mode_getconnector
>            |          drm_helper_probe_single_connector_modes
>            |          intel_hdmi_detect
>            |          intel_hdmi_set_edid
>            |          
>             --0.50%--0x55708afd335f
>                       ioctl
>                       entry_SYSCALL_64
>                       do_syscall_64
>                       __x64_sys_ioctl
>                       ksys_ioctl
>                       vfs_write
>                       do_vfs_ioctl
>                       drm_mode_getconnector
>                       drm_ioctl
>                       drm_ioctl_kernel
>                       drm_mode_getconnector
>                       drm_mode_getconnector
>                       drm_helper_probe_single_connector_modes
>                       intel_hdmi_detect
>                       intel_hdmi_set_edid
>
>     0.95%     0.95%  0000:00:02.0 flags-4 cnt-5  dep-0  auto-0 p-0 irq-0 child-0
>     0.34%     0.34%  0000:01:00.0 flags-4 cnt-1  dep-0  auto-1 p-0 irq-0 child-0
>     0.34%     0.34%  hdaudioC0D0 flags-4 cnt-2  dep-0  auto-1 p-0 irq-0 child-0
>     0.11%     0.11%  pci0000:00 flags-4 cnt-1  dep-1  auto-1 p-0 irq-0 child-15
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-9  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-2  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:01:00.0 flags-1 cnt-1  dep-0  auto-1 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-14 dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-6  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-7  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:02.0 flags-4 cnt-8  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  0000:01:00.0 flags-1 cnt-1  dep-0  auto-1 p-1 irq-0 child-0
>     0.06%     0.06%  0000:00:01.0 flags-0 cnt-1  dep-0  auto-1 p-0 irq-0 child-0
>     0.06%     0.06%  0000:00:1f.3 flags-0 cnt-2  dep-0  auto-0 p-0 irq-0 child-0
>     0.06%     0.06%  hdaudioC0D0 flags-4 cnt-1  dep-0  auto-1 p-0 irq-0 child-0
>
>
>#
># (Cannot load tips.txt file, please install perf!)
>#

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Attachments on bug 107955: 141597 | 141598 | 141599 | 141600 | 141631 | 141632 | 141633 | 141635 | 141907 | 141908 | 141910 | 141911

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