localhost ~ # uname -a Linux localhost 3.18.0-17579-gfb99dee6e87ae #1 SMP PREEMPT Sat May 12 00:43:34 PDT 2018 x86_64 Intel(R) Celeron(R) CPU 3855U @ 1.60GHz GenuineIntel GNU/Linux localhost ~ # localhost ~ # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 78 model name : Intel(R) Celeron(R) CPU 3855U @ 1.60GHz stepping : 3 microcode : 0xba cpu MHz : 900.062 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 22 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm abm 3dnowprefetch ida arat invpcid_single pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp rsb_ctxsw retpoline kaiser tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust erms invpcid rdseed smap clflushopt xsaveopt xsavec xgetbv1 bugs : cpu_meltdown spectre_v1 spectre_v2 bogomips : 3216.00 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 78 model name : Intel(R) Celeron(R) CPU 3855U @ 1.60GHz stepping : 3 microcode : 0xba cpu MHz : 900.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 22 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm abm 3dnowprefetch ida arat invpcid_single pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp rsb_ctxsw retpoline kaiser tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust erms invpcid rdseed smap clflushopt xsaveopt xsavec xgetbv1 bugs : cpu_meltdown spectre_v1 spectre_v2 bogomips : 3216.00 clflush size : 64 cache_alignment : 64 address sizes : 39 bits physical, 48 bits virtual power management: localhost ~ # for d in /sys/devices/system/cpu/cpu0/cache/index*; > do tail -c+1 $d/{level,type,size} > echo > done ==> /sys/devices/system/cpu/cpu0/cache/index0/level <== 1 ==> /sys/devices/system/cpu/cpu0/cache/index0/type <== Data ==> /sys/devices/system/cpu/cpu0/cache/index0/size <== 32K ==> /sys/devices/system/cpu/cpu0/cache/index1/level <== 1 ==> /sys/devices/system/cpu/cpu0/cache/index1/type <== Instruction ==> /sys/devices/system/cpu/cpu0/cache/index1/size <== 32K ==> /sys/devices/system/cpu/cpu0/cache/index2/level <== 2 ==> /sys/devices/system/cpu/cpu0/cache/index2/type <== Unified ==> /sys/devices/system/cpu/cpu0/cache/index2/size <== 256K ==> /sys/devices/system/cpu/cpu0/cache/index3/level <== 3 ==> /sys/devices/system/cpu/cpu0/cache/index3/type <== Unified ==> /sys/devices/system/cpu/cpu0/cache/index3/size <== 2048K localhost ~ # localhost ~ # for d in /sys/devices/system/cpu/cpu1/cache/index*; > do tail -c+1 $d/{level,type,size} > echo > done ==> /sys/devices/system/cpu/cpu1/cache/index0/level <== 1 ==> /sys/devices/system/cpu/cpu1/cache/index0/type <== Data ==> /sys/devices/system/cpu/cpu1/cache/index0/size <== 32K ==> /sys/devices/system/cpu/cpu1/cache/index1/level <== 1 ==> /sys/devices/system/cpu/cpu1/cache/index1/type <== Instruction ==> /sys/devices/system/cpu/cpu1/cache/index1/size <== 32K ==> /sys/devices/system/cpu/cpu1/cache/index2/level <== 2 ==> /sys/devices/system/cpu/cpu1/cache/index2/type <== Unified ==> /sys/devices/system/cpu/cpu1/cache/index2/size <== 256K ==> /sys/devices/system/cpu/cpu1/cache/index3/level <== 3 ==> /sys/devices/system/cpu/cpu1/cache/index3/type <== Unified ==> /sys/devices/system/cpu/cpu1/cache/index3/size <== 2048K localhost ~ # localhost ~ # lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 2 On-line CPU(s) list: 0,1 Thread(s) per core: 1 Core(s) per socket: 2 Socket(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 78 Model name: Intel(R) Celeron(R) CPU 3855U @ 1.60GHz Stepping: 3 CPU MHz: 900.062 CPU max MHz: 1600.0000 CPU min MHz: 400.0000 BogoMIPS: 3216.00 Virtualization: VT-x L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 2048K Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand lahf_lm abm 3dnowprefetch ida arat invpcid_single pln pts dtherm hwp hwp_noitfy hwp_act_window hwp_epp rsb_ctxsw retpoline kaiser tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust erms invpcid rdseed smap clflushopt xsaveopt xsavec xgetbv1 localhost ~ # localhost ~ # localhost ~ # cat /proc/mtrr reg00: base=0x07af00000 ( 1967MB), size= 1MB, count=1: uncachable reg01: base=0x07b800000 ( 1976MB), size= 8MB, count=1: uncachable reg02: base=0x07c000000 ( 1984MB), size= 64MB, count=1: uncachable reg03: base=0x080000000 ( 2048MB), size= 1024MB, count=1: uncachable reg04: base=0x0c0000000 ( 3072MB), size= 256MB, count=1: write-combining reg05: base=0x0d0000000 ( 3328MB), size= 256MB, count=1: uncachable reg06: base=0x0e0000000 ( 3584MB), size= 512MB, count=1: uncachable localhost ~ # localhost ~ # dmidecode -t 17 # dmidecode 3.1 Scanning /dev/mem for entry point. SMBIOS 2.7 present. Handle 0x0006, DMI type 17, 32 bytes Memory Device Array Handle: 0x0000 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 2048 MB Form Factor: Unknown Set: None Locator: Channel-0-DIMM-0 Bank Locator: BANK 0 Type: Unknown Type Detail: Synchronous Speed: 1867 MT/s Manufacturer: Unknown (ad00) Serial Number: None Asset Tag: Not Specified Part Number: H9CCNNN8JTBLAR-NUD Rank: Unknown Handle 0x0007, DMI type 17, 32 bytes Memory Device Array Handle: 0x0000 Error Information Handle: Not Provided Total Width: 64 bits Data Width: 64 bits Size: 2048 MB Form Factor: Unknown Set: None Locator: Channel-1-DIMM-0 Bank Locator: BANK 0 Type: Unknown Type Detail: Synchronous Speed: 1867 MT/s Manufacturer: Unknown (ad00) Serial Number: None Asset Tag: Not Specified Part Number: H9CCNNN8JTBLAR-NUD Rank: Unknown localhost ~ # sudo dmidecode -t memory | grep -i size Size: 2048 MB Size: 2048 MB