diff mbox series

[3/7] cpupower: Add support for amd-pstate preferred core rankings

Message ID 20241218191144.3440854-4-superm1@kernel.org (mailing list archive)
State Accepted
Delegated to: Shuah Khan
Headers show
Series cpupower improvements on AMD systems | expand

Commit Message

Mario Limonciello Dec. 18, 2024, 7:09 p.m. UTC 
From: Mario Limonciello <mario.limonciello@amd.com>

The rankings are useful information to determine if the scheduler
is placing tasks appropriately for the hardware.

Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
---
 tools/power/cpupower/utils/helpers/amd.c | 8 ++++++++
 1 file changed, 8 insertions(+)
diff mbox series

Patch

diff --git a/tools/power/cpupower/utils/helpers/amd.c b/tools/power/cpupower/utils/helpers/amd.c
index 0a56e22240fc8..090fdd6d15510 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 ************************************/