[PATCH 18/19] cpupower: print amd-pstate information on cpupower
From: Huang Rui <ray.huang@amd.com>
Date: 2021-09-08 15:02:29
Also in:
lkml
Subsystem:
cpu power monitoring subsystem, the rest · Maintainers:
Thomas Renninger, Shuah Khan, John B. Wyatt IV, John Kacur, Linus Torvalds
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 | 27 ++++++++++++++++++++--- 1 file changed, 24 insertions(+), 3 deletions(-)
diff --git a/tools/power/cpupower/utils/cpufreq-info.c b/tools/power/cpupower/utils/cpufreq-info.c
index f9895e31ff5a..9eabed209adc 100644
--- a/tools/power/cpupower/utils/cpufreq-info.c
+++ b/tools/power/cpupower/utils/cpufreq-info.c@@ -183,9 +183,30 @@ 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) { + printf(_(" AMD PSTATE Highest Performance: %u. Maximum Frequency: "), + amd_pstate_get_data(cpu, HIGHEST_PERF)); + print_speed(amd_pstate_get_data(cpu, MAX_FREQ)); + printf(".\n"); + + printf(_(" AMD PSTATE Nominal Performance: %u. Nominal Frequency: "), + amd_pstate_get_data(cpu, NOMINAL_PERF)); + print_speed(amd_pstate_get_data(cpu, NOMINAL_FREQ)); + printf(".\n"); + + printf(_(" AMD PSTATE Lowest Non-linear Performance: %u. Lowest Non-linear Frequency: "), + amd_pstate_get_data(cpu, LOWEST_NONLINEAR_PERF)); + print_speed(amd_pstate_get_data(cpu, LOWEST_NONLINEAR_FREQ)); + printf(".\n"); + + printf(_(" AMD PSTATE Lowest Performance: %u. Lowest Frequency: "), + amd_pstate_get_data(cpu, LOWEST_PERF)); + print_speed(amd_pstate_get_data(cpu, MIN_FREQ)); + printf(".\n"); + } 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;
--
2.25.1