summaryrefslogtreecommitdiff
path: root/Documentation/ABI
diff options
context:
space:
mode:
authorIonela Voinescu <ionela.voinescu@arm.com>2020-12-14 15:38:22 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2020-12-15 21:19:32 +0300
commitcfdc589f4b5f94bf1a975b4a67d8163d533f6e9b (patch)
treebbfd34bf9f264478ee46ce36f97d988225324626 /Documentation/ABI
parentbf76bb208f2b653306f2fc8f9c2a22f9890702bd (diff)
downloadlinux-cfdc589f4b5f94bf1a975b4a67d8163d533f6e9b.tar.xz
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/ABI')
-rw-r--r--Documentation/ABI/testing/sysfs-devices-system-cpu3
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}