Messages in this thread Patch in this message |  | | From | "Fenghua Yu" <> | Subject | [PATCH v5 01/18] Documentation, ABI: Add a document entry for cache id | Date | Sat, 22 Oct 2016 06:19:48 -0700 |
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From: Tony Luck <tony.luck@intel.com>
Add an ABI document entry for /sys/devices/system/cpu/cpu*/cache/index*/id.
Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Fenghua Yu <fenghua.yu@intel.com> --- Documentation/ABI/testing/sysfs-devices-system-cpu | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 4987417..2a4a423 100644 --- a/Documentation/ABI/testing/sysfs-devices-system-cpu +++ b/Documentation/ABI/testing/sysfs-devices-system-cpu @@ -272,6 +272,22 @@ Description: Parameters for the CPU cache attributes the modified cache line is written to main memory only when it is replaced + +What: /sys/devices/system/cpu/cpu*/cache/index*/id +Date: September 2016 +Contact: Linux kernel mailing list <linux-kernel@vger.kernel.org> +Description: Cache id + + The id provides a unique number for a specific instance of + a cache of a particular type. E.g. there may be a level + 3 unified cache on each socket in a server and we may + assign them ids 0, 1, 2, ... + + Note that id value can be non-contiguous. E.g. level 1 + caches typically exist per core, but there may not be a + power of two cores on a socket, so these caches may be + numbered 0, 1, 2, 3, 4, 5, 8, 9, 10, ... + What: /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/turbo_stat /sys/devices/system/cpu/cpuX/cpufreq/throttle_stats/sub_turbo_stat -- 2.5.0
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