linux-kernel - [PATCH v2 9/9] perf c2c: Update documentation for metrics reorganization

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Date:   Thu, 15 Oct 2020 15:45:48 +0100
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Andi Kleen <ak@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Ian Rogers <irogers@...gle.com>, Joe Mario <jmario@...hat.com>,
        David Ahern <dsahern@...il.com>,
        Don Zickus <dzickus@...hat.com>, Al Grant <Al.Grant@....com>,
        James Clark <james.clark@....com>, linux-kernel@...r.kernel.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v2 9/9] perf c2c: Update documentation for metrics reorganization

The output format for metrics has been reorganized, update documentation
to reflect the changes for it.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
---
 tools/perf/Documentation/perf-c2c.txt | 34 ++++++++++++++-------------
 1 file changed, 18 insertions(+), 16 deletions(-)

diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 98efdab5fbd4..c81d72e3eecf 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -174,34 +174,36 @@ For each cacheline in the 1) list we display following data:
   Cacheline
   - cacheline address (hex number)
 
-  Total records
-  - sum of all cachelines accesses
-
   Rmt/Lcl Hitm
   - cacheline percentage of all Remote/Local HITM accesses
 
-  LLC Load Hitm - Total, Lcl, Rmt
+  LLC Load Hitm - Total, LclHitm, RmtHitm
   - count of Total/Local/Remote load HITMs
 
-  Store Reference - Total, L1Hit, L1Miss
-    Total - all store accesses
-    L1Hit - store accesses that hit L1
-    L1Hit - store accesses that missed L1
+  Total records
+  - sum of all cachelines accesses
 
-  Load Dram
-  - count of local and remote DRAM accesses
+  Total loads
+  - sum of all load accesses
 
-  LLC Ld Miss
-  - count of all accesses that missed LLC
+  Total stores
+  - sum of all store accesses
 
-  Total Loads
-  - sum of all load accesses
+  Store Reference - L1Hit, L1Miss
+    L1Hit - store accesses that hit L1
+    L1Miss - store accesses that missed L1
 
   Core Load Hit - FB, L1, L2
   - count of load hits in FB (Fill Buffer), L1 and L2 cache
 
-  LLC Load Hit - Llc, Rmt
-  - count of LLC and Remote load hits
+  LLC Load Hit - LlcHit, LclHitm
+  - count of LLC load accesses, includes LLC hits and LLC HITMs
+
+  RMT Load Hit - RmtHit, RmtHitm
+  - count of remote load accesses, includes remote hits and remote HITMs
+
+  Load Dram - Lcl, Rmt
+  - count of local and remote DRAM accesses
 
 For each offset in the 2) list we display following data:
 
-- 
2.17.1