diff options
| author | Ionela Voinescu | 2020-12-14 12:38:22 +0000 |
|---|---|---|
| committer | Rafael J. Wysocki | 2020-12-15 19:19:32 +0100 |
| commit | cfdc589f4b5f94bf1a975b4a67d8163d533f6e9b (patch) | |
| tree | bbfd34bf9f264478ee46ce36f97d988225324626 /Documentation | |
| parent | bf76bb208f2b653306f2fc8f9c2a22f9890702bd (diff) | |
cppc_cpufreq: expose information on frequency domains
Use the existing sysfs attribute "freqdomain_cpus" to expose
information to userspace about CPUs in the same frequency domain.
Signed-off-by: Ionela Voinescu <ionela.voinescu@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Tested-by: Mian Yousaf Kaukab <ykaukab@suse.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 1a04ca8162ad..0eee30b27ab6 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -264,7 +264,8 @@ Description: Discover CPUs in the same CPU frequency coordination domain attribute is useful for user space DVFS controllers to get better power/performance results for platforms using acpi-cpufreq. - This file is only present if the acpi-cpufreq driver is in use. + This file is only present if the acpi-cpufreq or the cppc-cpufreq + drivers are in use. What: /sys/devices/system/cpu/cpu*/cache/index3/cache_disable_{0,1} |