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authorLeo Yan <leo.yan@linaro.org>2022-05-18 08:57:21 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-05-23 15:36:47 +0300
commit12aeaaba087d6d922423e88b0de7d145bc5d8de7 (patch)
tree7b7083ffb9911231a900c06c921fc457b5e51aef
parent550b4d6f9a7e5ddc99d7d13652ba9e859d0e5361 (diff)
downloadlinux-12aeaaba087d6d922423e88b0de7d145bc5d8de7.tar.xz
perf c2c: Update documentation for store metric 'N/A'
The 'N/A' metric is added for store operations, update documentation to reflect changes in the report table. Signed-off-by: Leo Yan <leo.yan@linaro.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Adam Li <adamli@amperemail.onmicrosoft.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Ali Saidi <alisaidi@amazon.com> Cc: Alyssa Ross <hi@alyssa.is> Cc: German Gomez <german.gomez@arm.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Joe Mario <jmario@redhat.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Li Huafei <lihuafei1@huawei.com> Cc: Like Xu <likexu@tencent.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20220518055729.1869566-4-leo.yan@linaro.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/perf/Documentation/perf-c2c.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index 3b6a2c84ea02..6f69173731aa 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -189,9 +189,10 @@ For each cacheline in the 1) list we display following data:
Total stores
- sum of all store accesses
- Store Reference - L1Hit, L1Miss
+ Store Reference - L1Hit, L1Miss, N/A
L1Hit - store accesses that hit L1
L1Miss - store accesses that missed L1
+ N/A - store accesses with memory level is not available
Core Load Hit - FB, L1, L2
- count of load hits in FB (Fill Buffer), L1 and L2 cache
@@ -210,8 +211,9 @@ For each offset in the 2) list we display following data:
HITM - Rmt, Lcl
- % of Remote/Local HITM accesses for given offset within cacheline
- Store Refs - L1 Hit, L1 Miss
- - % of store accesses that hit/missed L1 for given offset within cacheline
+ Store Refs - L1 Hit, L1 Miss, N/A
+ - % of store accesses that hit L1, missed L1 and N/A (no available) memory
+ level for given offset within cacheline
Data address - Offset
- offset address