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authorZhang Rui <rui.zhang@intel.com>2023-08-27 09:52:24 +0300
committerZhang Rui <rui.zhang@intel.com>2023-09-27 17:14:20 +0300
commit6c36882e09dbc9a44d64180ba7972838d3f45488 (patch)
treef36b5f66c905ac6e983552e44200fbf03d46d2f5 /tools/power
parent9cc1c1038526a5b6c9a57397def80ba79c260ff2 (diff)
downloadlinux-6c36882e09dbc9a44d64180ba7972838d3f45488.tar.xz
tools/power/turbostat: Abstract MSR_CC6/MC6_DEMOTION_POLICY_CONFIG support
Abstract the support for MSR_CC6/MC6_DEMOTION_POLICY_CONFIG. Delete has_slv_msrs() CPU model check. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Reviewed-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/x86/turbostat/turbostat.c29
1 files changed, 6 insertions, 23 deletions
diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 5f90d96bd9e3..f8d7ba87f968 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -285,6 +285,7 @@ struct platform_features {
bool has_irtl_msrs; /* MSR_PKGC3/PKGC6/PKGC7/PKGC8/PKGC9/PKGC10_IRTL */
bool has_msr_core_c1_res; /* MSR_CORE_C1_RES */
bool has_msr_module_c6_res_ms; /* MSR_MODULE_C6_RES_MS */
+ bool has_msr_c6_demotion_policy_config; /* MSR_CC6_DEMOTION_POLICY_CONFIG/MSR_MC6_DEMOTION_POLICY_CONFIG */
int trl_msrs; /* MSR_TURBO_RATIO_LIMIT/LIMIT1/LIMIT2/SECONDARY, Atom TRL MSRs */
int plr_msrs; /* MSR_CORE/GFX/RING_PERF_LIMIT_REASONS */
int rapl_msrs; /* RAPL PKG/DRAM/CORE/GFX MSRs, AMD RAPL MSRs */
@@ -655,6 +656,7 @@ static const struct platform_features slv_features = {
.cst_limit = CST_LIMIT_SLV,
.has_msr_core_c1_res = 1,
.has_msr_module_c6_res_ms = 1,
+ .has_msr_c6_demotion_policy_config = 1,
.trl_msrs = TRL_ATOM,
.rapl_msrs = RAPL_PKG | RAPL_CORE,
.has_rapl_divisor = 1,
@@ -4279,28 +4281,6 @@ void probe_bclk(void)
tsc_tweak = base_hz / tsc_hz;
}
-/*
- * SLV client has support for unique MSRs:
- *
- * MSR_CC6_DEMOTION_POLICY_CONFIG
- * MSR_MC6_DEMOTION_POLICY_CONFIG
- */
-
-int has_slv_msrs(unsigned int family, unsigned int model)
-{
- if (!genuine_intel)
- return 0;
-
- if (family != 6)
- return 0;
-
- switch (model) {
- case INTEL_FAM6_ATOM_SILVERMONT:
- return 1;
- }
- return 0;
-}
-
int is_icx(unsigned int family, unsigned int model)
{
@@ -5358,6 +5338,9 @@ void decode_c6_demotion_policy_msr(void)
{
unsigned long long msr;
+ if (!platform->has_msr_c6_demotion_policy_config)
+ return;
+
if (!get_msr(base_cpu, MSR_CC6_DEMOTION_POLICY_CONFIG, &msr))
fprintf(outf, "cpu%d: MSR_CC6_DEMOTION_POLICY_CONFIG: 0x%08llx (%sable-CC6-Demotion)\n",
base_cpu, msr, msr & (1 << 0) ? "EN" : "DIS");
@@ -5707,7 +5690,7 @@ void process_cpuid()
if (!quiet)
decode_misc_pwr_mgmt_msr();
- if (!quiet && has_slv_msrs(family, model))
+ if (!quiet)
decode_c6_demotion_policy_msr();
rapl_probe();