diff options
| author | Tony Luck <[email protected]> | 2016-10-22 06:19:48 -0700 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2016-10-26 23:12:37 +0200 |
| commit | 1d78dc59f5ab6f467e49882518453adc7e4caa44 (patch) | |
| tree | 6cd42b6f317dc645a6c7b88a4a3fccf712d89def | |
| parent | 9fe68cad6e74967b88d0c6aeca7d9cd6b6e91942 (diff) | |
Documentation, ABI: Document the new sysfs files for cpu cache ids
Add an ABI document entry for /sys/devices/system/cpu/cpu*/cache/index*/id.
Signed-off-by: Tony Luck <[email protected]>
Signed-off-by: Fenghua Yu <[email protected]>
Cc: "Ravi V Shankar" <[email protected]>
Cc: "David Carrillo-Cisneros" <[email protected]>
Cc: "Sai Prakhya" <[email protected]>
Cc: "Peter Zijlstra" <[email protected]>
Cc: "Stephane Eranian" <[email protected]>
Cc: "Dave Hansen" <[email protected]>
Cc: "Shaohua Li" <[email protected]>
Cc: "Nilay Vaish" <[email protected]>
Cc: "Vikas Shivappa" <[email protected]>
Cc: "Ingo Molnar" <[email protected]>
Cc: "Borislav Petkov" <[email protected]>
Cc: "H. Peter Anvin" <[email protected]>
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Thomas Gleixner <[email protected]>
| -rw-r--r-- | Documentation/ABI/testing/sysfs-devices-system-cpu | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-devices-system-cpu b/Documentation/ABI/testing/sysfs-devices-system-cpu index 498741737055..2a4a423d08e0 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 <[email protected]> +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 |