Commit-ID: 1d78dc59f5ab6f467e49882518453adc7e4caa44 Gitweb: http://git.kernel.org/tip/1d78dc59f5ab6f467e49882518453adc7e4caa44 Author: Tony Luck <tony.l...@intel.com> AuthorDate: Sat, 22 Oct 2016 06:19:48 -0700 Committer: Thomas Gleixner <t...@linutronix.de> CommitDate: Wed, 26 Oct 2016 23:12:37 +0200
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 <tony.l...@intel.com> Signed-off-by: Fenghua Yu <fenghua...@intel.com> Cc: "Ravi V Shankar" <ravi.v.shan...@intel.com> Cc: "David Carrillo-Cisneros" <davi...@google.com> Cc: "Sai Prakhya" <sai.praneeth.prak...@intel.com> Cc: "Peter Zijlstra" <pet...@infradead.org> Cc: "Stephane Eranian" <eran...@google.com> Cc: "Dave Hansen" <dave.han...@intel.com> Cc: "Shaohua Li" <s...@fb.com> Cc: "Nilay Vaish" <nilayva...@gmail.com> Cc: "Vikas Shivappa" <vikas.shiva...@linux.intel.com> Cc: "Ingo Molnar" <mi...@elte.hu> Cc: "Borislav Petkov" <b...@suse.de> Cc: "H. Peter Anvin" <h.peter.an...@intel.com> Link: http://lkml.kernel.org/r/1477142405-32078-2-git-send-email-fenghua...@intel.com Signed-off-by: Thomas Gleixner <t...@linutronix.de> --- 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
