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| author |   Mario Limonciello <mario.limonciello@amd.com> | 2024-12-18 13:09:52 -0600 |
|---|---|---|
| committer |   Shuah Khan <skhan@linuxfoundation.org> | 2024-12-20 09:12:07 -0700 |
| commit | 6d4a2987f96b9f281b07286eeb1d4022054e1ecd (patch) | |
| tree | 76a9c7605d518b7b9a48be9e6d55a90ff0a1393b | |
| parent | cpupower: Add support for parsing 'enabled' or 'disabled' strings from table (diff) | |
| download | wireguard-linux-6d4a2987f96b9f281b07286eeb1d4022054e1ecd.tar.xz wireguard-linux-6d4a2987f96b9f281b07286eeb1d4022054e1ecd.zip | |
cpupower: Add support for amd-pstate preferred core rankings
The rankings are useful information to determine if the scheduler
is placing tasks appropriately for the hardware.
Link: https://lore.kernel.org/r/20241218191144.3440854-4-superm1@kernel.org
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to '')
| -rw-r--r-- | tools/power/cpupower/utils/helpers/amd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c index 0a56e22240fc..090fdd6d1551 100644 --- a/tools/power/cpupower/utils/helpers/amd.c +++ b/tools/power/cpupower/utils/helpers/amd.c @@ -177,6 +177,8 @@ enum amd_pstate_value { AMD_PSTATE_HIGHEST_PERF, AMD_PSTATE_MAX_FREQ, AMD_PSTATE_LOWEST_NONLINEAR_FREQ, + AMD_PSTATE_HW_PREFCORE, + AMD_PSTATE_PREFCORE_RANKING, MAX_AMD_PSTATE_VALUE_READ_FILES, }; @@ -184,6 +186,8 @@ static const char *amd_pstate_value_files[MAX_AMD_PSTATE_VALUE_READ_FILES] = { [AMD_PSTATE_HIGHEST_PERF] = "amd_pstate_highest_perf", [AMD_PSTATE_MAX_FREQ] = "amd_pstate_max_freq", [AMD_PSTATE_LOWEST_NONLINEAR_FREQ] = "amd_pstate_lowest_nonlinear_freq", + [AMD_PSTATE_HW_PREFCORE] = "amd_pstate_hw_prefcore", + [AMD_PSTATE_PREFCORE_RANKING] = "amd_pstate_prefcore_ranking", }; static unsigned long amd_pstate_get_data(unsigned int cpu, @@ -240,6 +244,10 @@ void amd_pstate_show_perf_and_freq(unsigned int cpu, int no_rounding) acpi_cppc_get_data(cpu, LOWEST_PERF)); print_speed(acpi_cppc_get_data(cpu, LOWEST_FREQ) * 1000, no_rounding); printf(".\n"); + + printf(_(" Preferred Core Support: %lu. Preferred Core Ranking: %lu.\n"), + amd_pstate_get_data(cpu, AMD_PSTATE_HW_PREFCORE), + amd_pstate_get_data(cpu, AMD_PSTATE_PREFCORE_RANKING)); } /* AMD P-State Helper Functions ************************************/ |