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From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Jiri Olsa <jolsa@kernel.org>, Namhyung Kim <namhyung@kernel.org>,
	Like Xu <likexu@tencent.com>, Alyssa Ross <hi@alyssa.is>,
	Ian Rogers <irogers@google.com>, Kajol Jain <kjain@linux.ibm.com>,
	Adam Li <adamli@amperemail.onmicrosoft.com>,
	Li Huafei <lihuafei1@huawei.com>,
	German Gomez <german.gomez@arm.com>,
	James Clark <james.clark@arm.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Ali Saidi <alisaidi@amazon.com>, Joe Mario <jmario@redhat.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v3 03/11] perf c2c: Update documentation for store metric 'N/A'
Date: Wed, 18 May 2022 13:57:21 +0800	[thread overview]
Message-ID: <20220518055729.1869566-4-leo.yan@linaro.org> (raw)
In-Reply-To: <20220518055729.1869566-1-leo.yan@linaro.org>

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>
---
 tools/perf/Documentation/perf-c2c.txt | 8 +++++---
 1 file 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
-- 
2.25.1


  parent reply	other threads:[~2022-05-18  5:58 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-18  5:57 [PATCH v3 00/11] perf c2c: Support display for Arm64 Leo Yan
2022-05-18  5:57 ` [PATCH v3 01/11] perf mem: Add stats for store operation with no available memory level Leo Yan
2022-05-18  5:57 ` [PATCH v3 02/11] perf c2c: Add dimensions for 'N/A' metrics of store operation Leo Yan
2022-05-18  5:57 ` Leo Yan [this message]
2022-05-18  5:57 ` [PATCH v3 04/11] perf mem: Add statistics for peer snooping Leo Yan
2022-05-23 12:38   ` Arnaldo Carvalho de Melo
2022-05-23 12:46     ` Arnaldo Carvalho de Melo
2022-05-18  5:57 ` [PATCH v3 05/11] perf c2c: Add dimensions for peer load operations Leo Yan
2022-05-18  5:57 ` [PATCH v3 06/11] perf c2c: Use explicit names for display macros Leo Yan
2022-05-18  5:57 ` [PATCH v3 07/11] perf c2c: Rename dimension from 'percent_hitm' to 'percent_costly_snoop' Leo Yan
2022-05-18  5:57 ` [PATCH v3 08/11] perf c2c: Refactor node header Leo Yan
2022-05-18  5:57 ` [PATCH v3 09/11] perf c2c: Sort on peer snooping for load operations Leo Yan
2022-05-18  5:57 ` [PATCH v3 10/11] perf c2c: Update documentation for new display option 'peer' Leo Yan
2022-05-18  5:57 ` [PATCH v3 11/11] perf c2c: Use 'peer' as default display for Arm64 Leo Yan
2022-05-23  8:43 ` [PATCH v3 00/11] perf c2c: Support " Jiri Olsa
2022-05-23 12:43   ` Arnaldo Carvalho de Melo

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