Re: [PATCH] intel_idle: Add ICL support

From: Zhang Rui
Date: Wed Aug 26 2020 - 09:42:14 EST

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On Wed, 2020-08-26 at 15:32 +0200, Guilhem Lettron wrote:
> On Wed, 26 Aug 2020 at 15:18, Artem Bityutskiy <dedekind1@xxxxxxxxx>
> wrote:
> >
> > On Wed, 2020-08-26 at 16:16 +0300, Artem Bityutskiy wrote:
> > > Just get a reasonably new turbostat (it is part of the kernel
> > > tree, you
> > > can compile it yourself) and run it for few seconds (like
> > > 'turbostat
> > > sleep 10'), get the output (will be a lot of it), and we can
> > > check what
> > > is actually going on with regards to C-states.
> >
> > Oh, and if you could do that with and without your patch, we could
> > even
> > compare things. But try to do it at least with the default
> > (acpi_idle)
> > configuration.
>
> with my patch:
>
> turbostat version 20.03.20 - Len Brown <lenb@xxxxxxxxxx>
> CPUID(0): GenuineIntel 0x1b CPUID levels; 0x80000008 xlevels;
> family:model:stepping 0x6:7e:5 (6:126:5)
> CPUID(1): SSE3 MONITOR - EIST TM2 TSC MSR ACPI-TM HT TM
> CPUID(6): APERF, TURBO, DTS, PTM, HWP, No-HWPnotify, HWPwindow,
> HWPepp, HWPpkg, EPB
> cpu2: MSR_IA32_MISC_ENABLE: 0x00850089 (TCC EIST MWAIT PREFETCH
> TURBO)
> CPUID(7): SGX
> cpu2: MSR_IA32_FEATURE_CONTROL: 0x00020005 (Locked )
> CPUID(0x15): eax_crystal: 2 ebx_tsc: 78 ecx_crystal_hz: 38400000
> TSC: 1497 MHz (38400000 Hz * 78 / 2 / 1000000)
> CPUID(0x16): base_mhz: 1500 max_mhz: 3900 bus_mhz: 100
> cpu2: MSR_MISC_PWR_MGMT: 0x00401c40 (ENable-EIST_Coordination
> DISable-EPB DISable-OOB)
> RAPL: 17476 sec. Joule Counter Range, at 15 Watts
> cpu2: MSR_PLATFORM_INFO: 0x4043cf1810f00
> 4 * 100.0 = 400.0 MHz max efficiency frequency
> 15 * 100.0 = 1500.0 MHz base frequency
> cpu2: MSR_IA32_POWER_CTL: 0x0024005d (C1E auto-promotion: DISabled)
> cpu2: MSR_TURBO_RATIO_LIMIT: 0x2323232323232627
> 35 * 100.0 = 3500.0 MHz max turbo 8 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 7 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 6 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 5 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 4 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 3 active cores
> 38 * 100.0 = 3800.0 MHz max turbo 2 active cores
> 39 * 100.0 = 3900.0 MHz max turbo 1 active cores
> cpu2: MSR_CONFIG_TDP_NOMINAL: 0x0000000d (base_ratio=13)
> cpu2: MSR_CONFIG_TDP_LEVEL_1: 0x000a0060 (PKG_MIN_PWR_LVL1=0
> PKG_MAX_PWR_LVL1=0 LVL1_RATIO=10 PKG_TDP_LVL1=96)
> cpu2: MSR_CONFIG_TDP_LEVEL_2: 0x000f00c8 (PKG_MIN_PWR_LVL2=0
> PKG_MAX_PWR_LVL2=0 LVL2_RATIO=15 PKG_TDP_LVL2=200)
> cpu2: MSR_CONFIG_TDP_CONTROL: 0x00000000 ( lock=0)
> cpu2: MSR_TURBO_ACTIVATION_RATIO: 0x0000000c (MAX_NON_TURBO_RATIO=12
> lock=0)
> cpu2: MSR_PKG_CST_CONFIG_CONTROL: 0x74008008 (UNdemote-C1, demote-C1,
> locked, pkg-cstate-limit=8 (unlimited))
> current_driver: intel_idle
> current_governor: menu
> current_governor_ro: menu
> cpu2: POLL: CPUIDLE CORE POLL IDLE
> cpu2: C1: MWAIT 0x00
> cpu2: C1E: MWAIT 0x01
> cpu2: C6: MWAIT 0x20
> cpu2: C7s: MWAIT 0x33
> cpu2: C8: MWAIT 0x40
> cpu2: C9: MWAIT 0x50
> cpu2: C10: MWAIT 0x60
> cpu2: cpufreq driver: intel_cpufreq
> cpu2: cpufreq governor: schedutil
> cpufreq intel_pstate no_turbo: 0
> cpu2: 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: 0x010e0d27 (high 39 guar 13 eff 14 low 1)
> cpu0: MSR_HWP_REQUEST: 0x80002727 (min 39 max 39 des 0 epp 0x80
> window
> 0x0 pkg 0x0)
> cpu0: MSR_HWP_REQUEST_PKG: 0x8000ff01 (min 1 max 255 des 0 epp 0x80
> window 0x0)
> 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: 0x5a8118009d80c8 (UNlocked)
> cpu0: PKG Limit #1: ENabled (25.000000 Watts, 24.000000 sec, clamp
> ENabled)
> cpu0: PKG Limit #2: ENabled (35.000000 Watts, 10.000000* sec, clamp
> DISabled)
> cpu0: MSR_DRAM_POWER_LIMIT: 0x5400de00000000 (UNlocked)
> cpu0: DRAM Limit: DISabled (0.000000 Watts, 0.000977 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: 0x05640000 (100 C)
> cpu0: MSR_IA32_PACKAGE_THERM_STATUS: 0x88290800 (59 C)
> cpu0: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x00000003 (100 C, 100 C)
> cpu2: MSR_PKGC3_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu2: MSR_PKGC6_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu2: MSR_PKGC7_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu2: MSR_PKGC8_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu2: MSR_PKGC9_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu2: MSR_PKGC10_IRTL: 0x00000000 (NOTvalid, 0 ns)
> 10.003466 sec
> Core CPU Avg_MHz Busy% Bzy_MHz TSC_MHz IRQ SMI POLL C1 C1E C6 C7s C8
> C9 C10 POLL% C1% C1E% C6% C7s% C8% C9% C10% CPU%c1 CPU%c6 CPU%c7
> CoreTmp PkgTmp GFX%rc6 GFXMHz Totl%C0 Any%C0 GFX%C0 CPUGFX% Pkg%pc2
> Pkg%pc3 Pkg%pc6 Pkg%pc7 Pkg%pc8 Pkg%pc9 Pk%pc10 CPU%LPI SYS%LPI
> PkgWatt CorWatt GFXWatt RAMWatt PKG_% RAM_%

This is really hard to read.
can you please attach the two turbostat output as attachments?

thanks,
rui
> - - 219 8.59 2549 1498 48489 160 71 1256 11389 21414 5 31317 489 8252
> 0.00 0.10 1.61 17.26 0.01 52.02 0.53 19.27 16.07 26.24 49.10 56 56
> 96.64 300 68.29 48.58 3.08 2.10 30.36 0.04 0.00 0.00 0.00 0.00 0.00
> 0.00 0.00 7.38 4.91 0.07 0.00 0.00 0.00
> 0 0 189 5.83 3239 1498 6131 20 26 222 1922 2648 0 4232 0 298 0.00
> 0.20
> 1.97 16.85 0.00 69.76 0.00 4.51 20.30 20.57 53.30 56 56 96.64 300
> 68.29 48.58 3.08 2.10 30.36 0.04 0.00 0.00 0.00 0.00 0.00 0.00 0.00
> 7.38 4.91 0.07 0.00 0.00 0.00
> 0 4 397 12.02 3307 1498 4248 20 5 173 1252 1552 0 3266 2 1367 0.00
> 0.08 1.22 10.13 0.00 46.47 0.01 28.39 14.11
> 1 1 302 8.53 3545 1498 6108 20 11 155 1215 3588 0 4462 0 2 0.00 0.11
> 1.90 28.91 0.00 59.04 0.00 0.08 14.13 31.04 46.31 55
> 1 5 149 6.29 2378 1498 3953 20 8 144 1391 1710 0 3239 9 1304 0.00
> 0.06
> 1.48 10.45 0.00 49.50 0.23 31.45 16.37
> 2 2 159 7.86 2022 1498 3688 20 5 111 1088 1450 0 3122 1 1191 0.00
> 0.14
> 0.95 9.49 0.00 49.73 0.07 31.64 13.61 19.24 59.29 54
> 2 6 175 7.44 2355 1498 6107 20 4 137 1726 2424 0 3863 4 651 0.00 0.06
> 1.90 15.83 0.00 56.39 0.04 18.00 14.03
> 3 3 213 11.84 1797 1498 13814 20 7 170 1431 6125 2 5634 464 2422 0.00
> 0.09 1.89 34.67 0.01 31.54 3.82 16.28 16.54 34.11 37.51 52
> 3 7 167 8.91 1871 1498 4440 20 5 144 1364 1917 3 3499 9 1017 0.00
> 0.07
> 1.55 11.78 0.03 53.73 0.07 23.83 19.47
>
> without (3.9-rc2):
>
> turbostat version 20.03.20 - Len Brown <lenb@xxxxxxxxxx>
> CPUID(0): GenuineIntel 0x1b CPUID levels; 0x80000008 xlevels;
> family:model:stepping 0x6:7e:5 (6:126:5)
> CPUID(1): SSE3 MONITOR - EIST TM2 TSC MSR ACPI-TM HT TM
> CPUID(6): APERF, TURBO, DTS, PTM, HWP, No-HWPnotify, HWPwindow,
> HWPepp, HWPpkg, EPB
> cpu1: MSR_IA32_MISC_ENABLE: 0x00850089 (TCC EIST MWAIT PREFETCH
> TURBO)
> CPUID(7): SGX
> cpu1: MSR_IA32_FEATURE_CONTROL: 0x00020005 (Locked )
> CPUID(0x15): eax_crystal: 2 ebx_tsc: 78 ecx_crystal_hz: 38400000
> TSC: 1497 MHz (38400000 Hz * 78 / 2 / 1000000)
> CPUID(0x16): base_mhz: 1500 max_mhz: 3900 bus_mhz: 100
> cpu1: MSR_MISC_PWR_MGMT: 0x00401c40 (ENable-EIST_Coordination
> DISable-EPB DISable-OOB)
> RAPL: 17476 sec. Joule Counter Range, at 15 Watts
> cpu1: MSR_PLATFORM_INFO: 0x4043cf1810f00
> 4 * 100.0 = 400.0 MHz max efficiency frequency
> 15 * 100.0 = 1500.0 MHz base frequency
> cpu1: MSR_IA32_POWER_CTL: 0x0024005f (C1E auto-promotion: ENabled)
> cpu1: MSR_TURBO_RATIO_LIMIT: 0x2323232323232627
> 35 * 100.0 = 3500.0 MHz max turbo 8 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 7 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 6 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 5 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 4 active cores
> 35 * 100.0 = 3500.0 MHz max turbo 3 active cores
> 38 * 100.0 = 3800.0 MHz max turbo 2 active cores
> 39 * 100.0 = 3900.0 MHz max turbo 1 active cores
> cpu1: MSR_CONFIG_TDP_NOMINAL: 0x0000000d (base_ratio=13)
> cpu1: MSR_CONFIG_TDP_LEVEL_1: 0x000a0060 (PKG_MIN_PWR_LVL1=0
> PKG_MAX_PWR_LVL1=0 LVL1_RATIO=10 PKG_TDP_LVL1=96)
> cpu1: MSR_CONFIG_TDP_LEVEL_2: 0x000f00c8 (PKG_MIN_PWR_LVL2=0
> PKG_MAX_PWR_LVL2=0 LVL2_RATIO=15 PKG_TDP_LVL2=200)
> cpu1: MSR_CONFIG_TDP_CONTROL: 0x00000000 ( lock=0)
> cpu1: MSR_TURBO_ACTIVATION_RATIO: 0x0000000c (MAX_NON_TURBO_RATIO=12
> lock=0)
> cpu1: MSR_PKG_CST_CONFIG_CONTROL: 0x74008008 (UNdemote-C1, demote-C1,
> locked, pkg-cstate-limit=8 (unlimited))
> current_driver: intel_idle
> current_governor: menu
> current_governor_ro: menu
> cpu1: POLL: CPUIDLE CORE POLL IDLE
> cpu1: C1_ACPI: ACPI FFH MWAIT 0x0
> cpu1: C2_ACPI: ACPI FFH MWAIT 0x31
> cpu1: C3_ACPI: ACPI FFH MWAIT 0x60
> cpu1: cpufreq driver: intel_cpufreq
> cpu1: cpufreq governor: schedutil
> cpufreq intel_pstate no_turbo: 0
> cpu1: 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: 0x010e0d27 (high 39 guar 13 eff 14 low 1)
> cpu0: MSR_HWP_REQUEST: 0x80002727 (min 39 max 39 des 0 epp 0x80
> window
> 0x0 pkg 0x0)
> cpu0: MSR_HWP_REQUEST_PKG: 0x8000ff01 (min 1 max 255 des 0 epp 0x80
> window 0x0)
> 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: 0x42817000dd8170 (UNlocked)
> cpu0: PKG Limit #1: ENabled (46.000000 Watts, 28.000000 sec, clamp
> ENabled)
> cpu0: PKG Limit #2: ENabled (46.000000 Watts, 0.002441* sec, clamp
> DISabled)
> cpu0: MSR_DRAM_POWER_LIMIT: 0x5400de00000000 (UNlocked)
> cpu0: DRAM Limit: DISabled (0.000000 Watts, 0.000977 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: 0x00640000 (100 C)
> cpu0: MSR_IA32_PACKAGE_THERM_STATUS: 0x881d0800 (71 C)
> cpu0: MSR_IA32_PACKAGE_THERM_INTERRUPT: 0x00000003 (100 C, 100 C)
> cpu1: MSR_PKGC3_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu1: MSR_PKGC6_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu1: MSR_PKGC7_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu1: MSR_PKGC8_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu1: MSR_PKGC9_IRTL: 0x00000000 (NOTvalid, 0 ns)
> cpu1: MSR_PKGC10_IRTL: 0x00000000 (NOTvalid, 0 ns)
> 10.002424 sec
> Core CPU Avg_MHz Busy% Bzy_MHz TSC_MHz IRQ SMI POLL C1_ACPI C2_ACPI
> C3_ACPI POLL% C1_ACPI% C2_ACPI% C3_ACPI% CPU%c1 CPU%c6 CPU%c7 CoreTmp
> PkgTmp GFX%rc6 GFXMHz Totl%C0 Any%C0 GFX%C0 CPUGFX% Pkg%pc2 Pkg%pc3
> Pkg%pc6 Pkg%pc7 Pkg%pc8 Pkg%pc9 Pk%pc10 CPU%LPI SYS%LPI PkgWatt
> CorWatt GFXWatt RAMWatt PKG_% RAM_%
> - - 204 9.81 2083 1497 50389 176 820 25733 20628 14751 0.01 10.71
> 36.19 42.84 29.48 0.00 60.71 58 58 97.96 300 73.65 52.84 1.861.41
> 16.96 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 6.08 3.79 0.03 0.00
> 0.00
> 0.00
> 0 0 218 7.90 2760 1497 6824 22 4 3882 3146 864 0.00 12.68 53.86 24.76
> 26.32 0.00 65.77 58 58 97.96 300 73.65 52.84 1.861.41 16.96 0.00 0.00
> 0.00 0.00 0.00 0.00 0.00 0.00 6.08 3.79 0.03 0.00 0.00 0.00
> 0 4 144 6.91 2084 1497 4409 22 7 2410 2078 1608 0.00 7.55 32.26 52.88
> 27.32
> 1 1 154 8.09 1903 1497 4783 22 3 2528 2178 1801 0.00 7.54 34.66 49.51
> 42.41 0.00 49.50 57
> 1 5 290 14.49 2000 1497 14750 22 755 5964 4261 4558 0.04 22.47 27.57
> 35.05 36.01
> 2 2 209 11.35 1840 1497 4663 22 1 2771 2132 1467 0.00 8.39 31.37
> 48.69
> 28.70 0.00 59.96 55
> 2 6 232 13.35 1738 1497 5625 22 40 3313 2140 1338 0.00 10.36 33.13
> 42.87 26.70
> 3 3 221 9.01 2451 1497 4944 22 7 2627 2536 1447 0.00 9.32 41.41 39.55
> 23.38 0.00 67.61 54
> 3 7 167 7.39 2266 1497 4391 22 3 2238 2157 1668 0.00 7.39 35.25 49.42
> 25.00
>
>
> >
> > Artem.
> >
>
> Guilhem Lettron

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In reply to: Guilhem Lettron: "Re: [PATCH] intel_idle: Add ICL support"
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