Messages in this thread Patch in this message | | | From | Huang Rui <> | Subject | [PATCH v5 21/22] cpupower: print amd-pstate information on cpupower | Date | Tue, 30 Nov 2021 20:36:40 +0800 |
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amd-pstate kernel module is using the fine grain frequency instead of acpi hardware pstate. So the performance and frequency values should be printed in frequency-info.
Signed-off-by: Huang Rui <ray.huang@amd.com> --- tools/power/cpupower/utils/cpufreq-info.c | 9 ++++--- tools/power/cpupower/utils/helpers/amd.c | 28 ++++++++++++++++++++ tools/power/cpupower/utils/helpers/helpers.h | 5 ++++ 3 files changed, 39 insertions(+), 3 deletions(-)
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c index b429454bf3ae..f828f3c35a6f 100644 --- a/tools/power/cpupower/utils/cpufreq-info.c +++ b/tools/power/cpupower/utils/cpufreq-info.c @@ -146,9 +146,12 @@ static int get_boost_mode_x86(unsigned int cpu) printf(_(" Supported: %s\n"), support ? _("yes") : _("no")); printf(_(" Active: %s\n"), active ? _("yes") : _("no")); - if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD && - cpupower_cpu_info.family >= 0x10) || - cpupower_cpu_info.vendor == X86_VENDOR_HYGON) { + if (cpupower_cpu_info.vendor == X86_VENDOR_AMD && + cpupower_cpu_info.caps & CPUPOWER_CAP_AMD_PSTATE) { + amd_pstate_show_perf_and_freq(cpu, no_rounding); + } else if ((cpupower_cpu_info.vendor == X86_VENDOR_AMD && + cpupower_cpu_info.family >= 0x10) || + cpupower_cpu_info.vendor == X86_VENDOR_HYGON) { ret = decode_pstates(cpu, b_states, pstates, &pstate_no); if (ret) return ret; diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index bde6065cabf4..a1115891d76d 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -193,5 +193,33 @@ void amd_pstate_boost_init(unsigned int cpu, int *support, int *active) *active = cpuinfo_max == amd_pstate_max ? 1 : 0; } +void amd_pstate_show_perf_and_freq(unsigned int cpu, int no_rounding) +{ + printf(_(" AMD PSTATE Highest Performance: %lu. Maximum Frequency: "), + amd_pstate_get_data(cpu, AMD_PSTATE_HIGHEST_PERF)); + /* If boost isn't active, the cpuinfo_max doesn't indicate real max + * frequency. So we read it back from amd-pstate sysfs entry. + */ + print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_MAX_FREQ), no_rounding); + printf(".\n"); + + printf(_(" AMD PSTATE Nominal Performance: %lu. Nominal Frequency: "), + acpi_cppc_get_data(cpu, NOMINAL_PERF)); + print_speed(acpi_cppc_get_data(cpu, NOMINAL_FREQ) * 1000, + no_rounding); + printf(".\n"); + + printf(_(" AMD PSTATE Lowest Non-linear Performance: %lu. Lowest Non-linear Frequency: "), + acpi_cppc_get_data(cpu, LOWEST_NONLINEAR_PERF)); + print_speed(amd_pstate_get_data(cpu, AMD_PSTATE_LOWEST_NONLINEAR_FREQ), + no_rounding); + printf(".\n"); + + printf(_(" AMD PSTATE Lowest Performance: %lu. Lowest Frequency: "), + acpi_cppc_get_data(cpu, LOWEST_PERF)); + print_speed(acpi_cppc_get_data(cpu, LOWEST_FREQ) * 1000, no_rounding); + printf(".\n"); +} + /* AMD P-States Helper Functions ***************/ #endif /* defined(__i386__) || defined(__x86_64__) */ diff --git a/tools/power/cpupower/utils/helpers/helpers.h b/tools/power/cpupower/utils/helpers/helpers.h index fbbfa6047c83..5f6862502dbf 100644 --- a/tools/power/cpupower/utils/helpers/helpers.h +++ b/tools/power/cpupower/utils/helpers/helpers.h @@ -142,6 +142,8 @@ extern int cpufreq_has_boost_support(unsigned int cpu, int *support, extern bool cpupower_amd_pstate_enabled(void); extern void amd_pstate_boost_init(unsigned int cpu, int *support, int *active); +extern void amd_pstate_show_perf_and_freq(unsigned int cpu, + int no_rounding); /* AMD P-States stuff **************************/ @@ -182,6 +184,9 @@ static inline bool cpupower_amd_pstate_enabled(void) static void amd_pstate_boost_init(unsigned int cpu, int *support, int *active) { return; } +static inline void amd_pstate_show_perf_and_freq(unsigned int cpu, + int no_rounding) +{ return; } /* cpuid and cpuinfo helpers **************************/ -- 2.25.1
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