| Message ID | 20240702171515.6780-1-mario.limonciello@amd.com (mailing list archive) |
|---|---|
| State | Accepted, archived |
| Delegated to: | Mario Limonciello |
| Headers | show |
| Series | [1/2] cpufreq/amd-pstate-ut: Don't check for highest perf matching on prefcore | expand |
Mario Limonciello <mario.limonciello@amd.com> writes: > If a system is using preferred cores the highest perf will be inconsistent > as it can change from system events. > > Skip the checks for it. > > Fixes: e571a5e2068e ("cpufreq: amd-pstate: Update amd-pstate preferred core ranking dynamically") > Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Gautham R. Shenoy <gautham.shenoy@amd.com> > --- > drivers/cpufreq/amd-pstate-ut.c | 13 ++++++++----- > 1 file changed, 8 insertions(+), 5 deletions(-) > > diff --git a/drivers/cpufreq/amd-pstate-ut.c b/drivers/cpufreq/amd-pstate-ut.c > index 66b73c308ce6..b7318669485e 100644 > --- a/drivers/cpufreq/amd-pstate-ut.c > +++ b/drivers/cpufreq/amd-pstate-ut.c > @@ -160,14 +160,17 @@ static void amd_pstate_ut_check_perf(u32 index) > lowest_perf = AMD_CPPC_LOWEST_PERF(cap1); > } > > - if ((highest_perf != READ_ONCE(cpudata->highest_perf)) || > - (nominal_perf != READ_ONCE(cpudata->nominal_perf)) || > + if (highest_perf != READ_ONCE(cpudata->highest_perf) && !cpudata->hw_prefcore) { > + pr_err("%s cpu%d highest=%d %d highest perf doesn't match\n", > + __func__, cpu, highest_perf, cpudata->highest_perf); > + goto skip_test; > + } > + if ((nominal_perf != READ_ONCE(cpudata->nominal_perf)) || > (lowest_nonlinear_perf != READ_ONCE(cpudata->lowest_nonlinear_perf)) || > (lowest_perf != READ_ONCE(cpudata->lowest_perf))) { > amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL; > - pr_err("%s cpu%d highest=%d %d nominal=%d %d lowest_nonlinear=%d %d lowest=%d %d, they should be equal!\n", > - __func__, cpu, highest_perf, cpudata->highest_perf, > - nominal_perf, cpudata->nominal_perf, > + pr_err("%s cpu%d nominal=%d %d lowest_nonlinear=%d %d lowest=%d %d, they should be equal!\n", > + __func__, cpu, nominal_perf, cpudata->nominal_perf, > lowest_nonlinear_perf, cpudata->lowest_nonlinear_perf, > lowest_perf, cpudata->lowest_perf); > goto skip_test; > -- > 2.43.0
diff --git a/drivers/cpufreq/amd-pstate-ut.c b/drivers/cpufreq/amd-pstate-ut.c index 66b73c308ce6..b7318669485e 100644 --- a/drivers/cpufreq/amd-pstate-ut.c +++ b/drivers/cpufreq/amd-pstate-ut.c @@ -160,14 +160,17 @@ static void amd_pstate_ut_check_perf(u32 index) lowest_perf = AMD_CPPC_LOWEST_PERF(cap1); } - if ((highest_perf != READ_ONCE(cpudata->highest_perf)) || - (nominal_perf != READ_ONCE(cpudata->nominal_perf)) || + if (highest_perf != READ_ONCE(cpudata->highest_perf) && !cpudata->hw_prefcore) { + pr_err("%s cpu%d highest=%d %d highest perf doesn't match\n", + __func__, cpu, highest_perf, cpudata->highest_perf); + goto skip_test; + } + if ((nominal_perf != READ_ONCE(cpudata->nominal_perf)) || (lowest_nonlinear_perf != READ_ONCE(cpudata->lowest_nonlinear_perf)) || (lowest_perf != READ_ONCE(cpudata->lowest_perf))) { amd_pstate_ut_cases[index].result = AMD_PSTATE_UT_RESULT_FAIL; - pr_err("%s cpu%d highest=%d %d nominal=%d %d lowest_nonlinear=%d %d lowest=%d %d, they should be equal!\n", - __func__, cpu, highest_perf, cpudata->highest_perf, - nominal_perf, cpudata->nominal_perf, + pr_err("%s cpu%d nominal=%d %d lowest_nonlinear=%d %d lowest=%d %d, they should be equal!\n", + __func__, cpu, nominal_perf, cpudata->nominal_perf, lowest_nonlinear_perf, cpudata->lowest_nonlinear_perf, lowest_perf, cpudata->lowest_perf); goto skip_test;
If a system is using preferred cores the highest perf will be inconsistent as it can change from system events. Skip the checks for it. Fixes: e571a5e2068e ("cpufreq: amd-pstate: Update amd-pstate preferred core ranking dynamically") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> --- drivers/cpufreq/amd-pstate-ut.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-)