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| author | Meng Li <li.meng@amd.com> | 2022-09-08 08:28:21 +0800 |
|---|---|---|
| committer | Shuah Khan <skhan@linuxfoundation.org> | 2022-10-05 11:05:18 -0600 |
| commit | bf6430f8512de304ec95c4558c2a47ad0787f90e (patch) | |
| tree | 91ec96863b592b5403e809d619c3aef6793148b7 | |
| parent | 96788ac53dbab980e2308c4dc57bea4ba8e0bd2a (diff) | |
| download | staging-bf6430f8512de304ec95c4558c2a47ad0787f90e.tar.gz | |
cpufreq: amd-pstate: Add explanation for X86_AMD_PSTATE_UT
This kernel module is used for testing. It's safe to say M here.
It can also be built-in without X86_AMD_PSTATE enabled.
Currently, only tests for amd-pstate are supported. If X86_AMD_PSTATE
is set disabled, it can tell the users test can only run on amd-pstate
driver, please set X86_AMD_PSTATE enabled.
In the future, comparison tests will be added. It can set amd-pstate
disabled and set acpi-cpufreq enabled to run test cases, then compare
the test results.
Suggested-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Meng Li <li.meng@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
| -rw-r--r-- | drivers/cpufreq/Kconfig.x86 | 8 | ||||
| -rwxr-xr-x | tools/testing/selftests/amd-pstate/amd-pstate-ut.sh | 1 |
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.x86 b/drivers/cpufreq/Kconfig.x86 index fdd819069d723b..310779b07daf13 100644 --- a/drivers/cpufreq/Kconfig.x86 +++ b/drivers/cpufreq/Kconfig.x86 @@ -58,6 +58,14 @@ config X86_AMD_PSTATE_UT help This kernel module is used for testing. It's safe to say M here. + It can also be built-in without X86_AMD_PSTATE enabled. + Currently, only tests for amd-pstate are supported. If X86_AMD_PSTATE + is set disabled, it can tell the users test can only run on amd-pstate + driver, please set X86_AMD_PSTATE enabled. + In the future, comparison tests will be added. It can set amd-pstate + disabled and set acpi-cpufreq enabled to run test cases, then compare + the test results. + config X86_ACPI_CPUFREQ tristate "ACPI Processor P-States driver" depends on ACPI_PROCESSOR diff --git a/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh index 27336465028563..f8e82d91ffcf80 100755 --- a/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh +++ b/tools/testing/selftests/amd-pstate/amd-pstate-ut.sh @@ -32,6 +32,7 @@ fi scaling_driver=$(cat /sys/devices/system/cpu/cpufreq/policy0/scaling_driver) if [ "$scaling_driver" != "amd-pstate" ]; then echo "$0 # Skipped: Test can only run on amd-pstate driver." + echo "$0 # Please set X86_AMD_PSTATE enabled." echo "$0 # Current cpufreq scaling drvier is $scaling_driver." exit $ksft_skip fi |