我拥有一台 XPS 9370，经常在我的dmesg
[40705.581409] mce: CPU5: Core temperature above threshold, cpu clock throttled (total events = 950)
[40705.581410] mce: CPU1: Core temperature above threshold, cpu clock throttled (total events = 950)
[40705.581411] mce: CPU0: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581412] mce: CPU4: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581413] mce: CPU1: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581414] mce: CPU5: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581445] mce: CPU2: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581446] mce: CPU6: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581447] mce: CPU3: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.581448] mce: CPU7: Package temperature above threshold, cpu clock throttled (total events = 3843)
[40705.585426] mce: CPU5: Core temperature/speed normal
[40705.585428] mce: CPU4: Package temperature/speed normal
[40705.585428] mce: CPU2: Package temperature/speed normal
[40705.585429] mce: CPU0: Package temperature/speed normal
[40705.585430] mce: CPU6: Package temperature/speed normal
[40705.585431] mce: CPU3: Package temperature/speed normal
[40705.585431] mce: CPU1: Core temperature/speed normal
[40705.585432] mce: CPU7: Package temperature/speed normal
[40705.585433] mce: CPU1: Package temperature/speed normal
[40705.585434] mce: CPU5: Package temperature/speed normal
[41528.582396] mce: CPU4: Core temperature above threshold, cpu clock throttled (total events = 1547)
[41528.582397] mce: CPU0: Core temperature above threshold, cpu clock throttled (total events = 1547)
[41528.582398] mce: CPU5: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582399] mce: CPU2: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582400] mce: CPU1: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582400] mce: CPU6: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582403] mce: CPU0: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582407] mce: CPU4: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582416] mce: CPU3: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.582417] mce: CPU7: Package temperature above threshold, cpu clock throttled (total events = 4112)
[41528.585420] mce: CPU0: Core temperature/speed normal
[41528.585420] mce: CPU4: Core temperature/speed normal
[41528.585421] mce: CPU2: Package temperature/speed normal
[41528.585422] mce: CPU5: Package temperature/speed normal
[41528.585423] mce: CPU1: Package temperature/speed normal
[41528.585442] mce: CPU4: Package temperature/speed normal
[41528.585443] mce: CPU0: Package temperature/speed normal
[41528.585444] mce: CPU6: Package temperature/speed normal
[41528.585445] mce: CPU7: Package temperature/speed normal
[41528.585445] mce: CPU3: Package temperature/speed normal
[42028.738360] mce: CPU1: Core temperature above threshold, cpu clock throttled (total events = 977)
[42028.738360] mce: CPU5: Core temperature above threshold, cpu clock throttled (total events = 977)
[42028.738384] mce: CPU5: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738387] mce: CPU1: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738389] mce: CPU0: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738389] mce: CPU4: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738390] mce: CPU2: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738391] mce: CPU6: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738393] mce: CPU7: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.738393] mce: CPU3: Package temperature above threshold, cpu clock throttled (total events = 4144)
[42028.739359] mce: CPU1: Core temperature/speed normal
[42028.739359] mce: CPU5: Core temperature/speed normal
[42028.739360] mce: CPU1: Package temperature/speed normal
[42028.739360] mce: CPU5: Package temperature/speed normal
[42028.739391] mce: CPU2: Package temperature/speed normal
[42028.739391] mce: CPU6: Package temperature/speed normal
[42028.739393] mce: CPU4: Package temperature/speed normal
[42028.739393] mce: CPU0: Package temperature/speed normal
[42028.739394] mce: CPU7: Package temperature/speed normal
[42028.739394] mce: CPU3: Package temperature/speed normal
[42366.286406] mce: CPU0: Core temperature above threshold, cpu clock throttled (total events = 1589)
[42366.286407] mce: CPU4: Core temperature above threshold, cpu clock throttled (total events = 1589)
[42366.286408] mce: CPU7: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286409] mce: CPU3: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286411] mce: CPU1: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286412] mce: CPU5: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286413] mce: CPU6: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286414] mce: CPU2: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286415] mce: CPU4: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.286417] mce: CPU0: Package temperature above threshold, cpu clock throttled (total events = 4194)
[42366.289376] mce: CPU0: Core temperature/speed normal
[42366.289377] mce: CPU5: Package temperature/speed normal
[42366.289378] mce: CPU7: Package temperature/speed normal
[42366.289379] mce: CPU3: Package temperature/speed normal
[42366.289379] mce: CPU2: Package temperature/speed normal
[42366.289380] mce: CPU4: Core temperature/speed normal
[42366.289381] mce: CPU1: Package temperature/speed normal
[42366.289381] mce: CPU6: Package temperature/speed normal
[42366.289382] mce: CPU4: Package temperature/speed normal
[42366.289383] mce: CPU0: Package temperature/speed normal
但同时，sensors当我获取这些日志时，会同时返回以下内容
coretemp-isa-0000
Adapter: ISA adapter
Package id 0: +56.0°C (high = +100.0°C, crit = +100.0°C)
Core 0: +56.0°C (high = +100.0°C, crit = +100.0°C)
Core 1: +55.0°C (high = +100.0°C, crit = +100.0°C)
Core 2: +54.0°C (high = +100.0°C, crit = +100.0°C)
Core 3: +53.0°C (high = +100.0°C, crit = +100.0°C)
acpitz-acpi-0
Adapter: ACPI interface
temp1: +25.0°C (crit = +107.0°C)
pch_skylake-virtual-0
Adapter: Virtual device
temp1: +47.5°C
这远远偏离了临界温度。有人能帮我解释一下吗？
编辑：添加了turbostat启动信息
turbostat version 18.07.27 - Len Brown <[email protected]>
CPUID(0): GenuineIntel 0x16 CPUID levels; 0x80000008 xlevels; family:model:stepping 0x6:8e:a (6:142:10)
CPUID(1): SSE3 MONITOR - EIST TM2 TSC MSR ACPI-TM HT TM
CPUID(6): APERF, TURBO, DTS, PTM, HWP, HWPnotify, HWPwindow, HWPepp, No-HWPpkg, EPB
cpu6: MSR_IA32_MISC_ENABLE: 0x00850089 (TCC EIST MWAIT PREFETCH TURBO)
CPUID(7): SGX
cpu6: MSR_IA32_FEATURE_CONTROL: 0x00040005 (Locked SGX)
CPUID(0x15): eax_crystal: 2 ebx_tsc: 166 ecx_crystal_hz: 0
TSC: 1992 MHz (24000000 Hz * 166 / 2 / 1000000)
CPUID(0x16): base_mhz: 2000 max_mhz: 4000 bus_mhz: 100
cpu6: MSR_MISC_PWR_MGMT: 0x00401cc0 (ENable-EIST_Coordination DISable-EPB DISable-OOB)
RAPL: 17476 sec. Joule Counter Range, at 15 Watts
cpu6: MSR_PLATFORM_INFO: 0x4043df1011400
4 * 100.0 = 400.0 MHz max efficiency frequency
20 * 100.0 = 2000.0 MHz base frequency
cpu6: MSR_IA32_POWER_CTL: 0x0024005d (C1E auto-promotion: DISabled)
cpu6: MSR_TURBO_RATIO_LIMIT: 0x25252828
37 * 100.0 = 3700.0 MHz max turbo 4 active cores
37 * 100.0 = 3700.0 MHz max turbo 3 active cores
40 * 100.0 = 4000.0 MHz max turbo 2 active cores
40 * 100.0 = 4000.0 MHz max turbo 1 active cores
cpu6: MSR_CONFIG_TDP_NOMINAL: 0x00000012 (base_ratio=18)
cpu6: MSR_CONFIG_TDP_LEVEL_1: 0x00080050 (PKG_MIN_PWR_LVL1=0 PKG_MAX_PWR_LVL1=0 LVL1_RATIO=8 PKG_TDP_LVL1=80)
cpu6: MSR_CONFIG_TDP_LEVEL_2: 0x001400c8 (PKG_MIN_PWR_LVL2=0 PKG_MAX_PWR_LVL2=0 LVL2_RATIO=20 PKG_TDP_LVL2=200)
cpu6: MSR_CONFIG_TDP_CONTROL: 0x00000000 ( lock=0)
cpu6: MSR_TURBO_ACTIVATION_RATIO: 0x00000011 (MAX_NON_TURBO_RATIO=17 lock=0)
cpu6: MSR_PKG_CST_CONFIG_CONTROL: 0x1e008008 (UNdemote-C3, UNdemote-C1, demote-C3, demote-C1, locked, pkg-cstate-limit=8 (unlimited))
cpu6: cpufreq driver: intel_pstate
cpu6: cpufreq governor: powersave
cpufreq intel_pstate no_turbo: 0
cpu6: MSR_MISC_FEATURE_CONTROL: 0x00000000 (L2-Prefetch L2-Prefetch-pair L1-Prefetch L1-IP-Prefetch)
cpu0: MSR_PM_ENABLE: 0x00000001 (HWP)
cpu0: MSR_HWP_CAPABILITIES: 0x01081228 (high 40 guar 18 eff 8 low 1)
cpu0: MSR_HWP_REQUEST: 0x80002804 (min 4 max 40 des 0 epp 0x80 window 0x0 pkg 0x0)
cpu0: MSR_HWP_INTERRUPT: 0x00000000 (Dis_Guaranteed_Perf_Change, Dis_Excursion_Min)
cpu0: MSR_HWP_STATUS: 0x00000000 (No-Guaranteed_Perf_Change, No-Excursion_Min)
cpu0: MSR_IA32_ENERGY_PERF_BIAS: 0x00000006 (balanced)
cpu0: MSR_RAPL_POWER_UNIT: 0x000a0e03 (0.125000 Watts, 0.000061 Joules, 0.000977 sec.)
cpu0: MSR_PKG_POWER_INFO: 0x00000078 (15 W TDP, RAPL 0 - 0 W, 0.000000 sec.)
cpu0: MSR_PKG_POWER_LIMIT: 0x420198009c80d8 (UNlocked)
cpu0: PKG Limit #1: ENabled (27.000000 Watts, 24.000000 sec, clamp DISabled)
cpu0: PKG Limit #2: DISabled (51.000000 Watts, 0.002441* sec, clamp DISabled)
cpu0: MSR_DRAM_POWER_LIMIT: 0x5400de00140000 (UNlocked)
cpu0: DRAM Limit: DISabled (0.000000 Watts, 1.000000 sec, clamp DISabled)
cpu0: MSR_PP0_POLICY: 0
cpu0: MSR_PP0_POWER_LIMIT: 0x00000000 (UNlocked)
cpu0: Cores Limit: DISabled (0.000000 Watts, 0.000977 sec, clamp DISabled)
cpu0: MSR_PP1_POLICY: 0
cpu0: MSR_PP1_POWER_LIMIT: 0x00000000 (UNlocked)
cpu0: GFX Limit: DISabled (0.000000 Watts, 0.000977 sec, clamp DISabled)
cpu0: MSR_IA32_TEMPERATURE_TARGET: 0x02640000 (100 C)
cpu0: MSR_IA32_PACKAGE_THERM_STATUS: 0x8828080a (60 C)
cpu0: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x00000003 (100 C, 100 C)
cpu6: MSR_PKGC3_IRTL: 0x0000884e (valid, 79872 ns)
cpu6: MSR_PKGC6_IRTL: 0x00008876 (valid, 120832 ns)
cpu6: MSR_PKGC7_IRTL: 0x00008894 (valid, 151552 ns)
cpu6: MSR_PKGC8_IRTL: 0x000088fa (valid, 256000 ns)
cpu6: MSR_PKGC9_IRTL: 0x0000894c (valid, 339968 ns)
cpu6: MSR_PKGC10_IRTL: 0x00008bf2 (valid, 1034240 ns)
编辑2：添加stress测试
