diff options
| author | Fenghua Yu | 2017-12-20 14:57:19 -0800 |
|---|---|---|
| committer | Thomas Gleixner | 2018-01-18 09:33:30 +0100 |
| commit | 0ff8e080b18d1d2dbe5c866d5f31c27ab806a785 (patch) | |
| tree | 03880594f0103b45f18451cf5f13aafe053ea5ad /Documentation/x86 | |
| parent | 1d966eb4d6326a2521073174e9710713e9846e8b (diff) | |
x86/intel_rdt: Update documentation
With more flag bits in /proc/cpuinfo for RDT, it's better to classify the
bits for readability.
Some previously missing bits are added as well.
Signed-off-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: "Ravi V Shankar" <ravi.v.shankar@intel.com>
Cc: "Tony Luck" <tony.luck@intel.com>
Cc: Vikas" <vikas.shivappa@intel.com>
Cc: Sai Praneeth" <sai.praneeth.prakhya@intel.com>
Cc: Reinette" <reinette.chatre@intel.com>
Link: https://lkml.kernel.org/r/1513810644-78015-2-git-send-email-fenghua.yu@intel.com
Diffstat (limited to 'Documentation/x86')
| -rw-r--r-- | Documentation/x86/intel_rdt_ui.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/x86/intel_rdt_ui.txt b/Documentation/x86/intel_rdt_ui.txt index 6851854cf69d..1ad77b1e3e79 100644 --- a/Documentation/x86/intel_rdt_ui.txt +++ b/Documentation/x86/intel_rdt_ui.txt @@ -7,7 +7,13 @@ Tony Luck <tony.luck@intel.com> Vikas Shivappa <vikas.shivappa@intel.com> This feature is enabled by the CONFIG_INTEL_RDT Kconfig and the -X86 /proc/cpuinfo flag bits "rdt", "cqm", "cat_l3" and "cdp_l3". +X86 /proc/cpuinfo flag bits: +RDT (Resource Director Technology) Allocation - "rdt_a" +CAT (Cache Allocation Technology) - "cat_l3", "cat_l2" +CDP (Code and Data Prioritization ) - "cdp_l3" +CQM (Cache QoS Monitoring) - "cqm_llc", "cqm_occup_llc" +MBM (Memory Bandwidth Monitoring) - "cqm_mbm_total", "cqm_mbm_local" +MBA (Memory Bandwidth Allocation) - "mba" To use the feature mount the file system: |