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authorFenghua Yu <[email protected]>2017-12-20 14:57:19 -0800
committerThomas Gleixner <[email protected]>2018-01-18 09:33:30 +0100
commit0ff8e080b18d1d2dbe5c866d5f31c27ab806a785 (patch)
tree03880594f0103b45f18451cf5f13aafe053ea5ad
parent1d966eb4d6326a2521073174e9710713e9846e8b (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 <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]> Cc: "Ravi V Shankar" <[email protected]> Cc: "Tony Luck" <[email protected]> Cc: Vikas" <[email protected]> Cc: Sai Praneeth" <[email protected]> Cc: Reinette" <[email protected]> Link: https://lkml.kernel.org/r/[email protected]
-rw-r--r--Documentation/x86/intel_rdt_ui.txt8
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 <[email protected]>
Vikas Shivappa <[email protected]>
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: