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From: Leo Yan <leo.yan@linaro.org>
To: Arnaldo Carvalho de Melo <acme@kernel.org>,
	Jiri Olsa <jolsa@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Andi Kleen <ak@linux.intel.com>, Ian Rogers <irogers@google.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Joe Mario <jmario@redhat.com>, David Ahern <dsahern@gmail.com>,
	Don Zickus <dzickus@redhat.com>, Al Grant <Al.Grant@arm.com>,
	James Clark <james.clark@arm.com>,
	linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v2 11/11] perf c2c: Update documentation for display option 'all'
Date: Sun, 13 Dec 2020 13:38:50 +0000	[thread overview]
Message-ID: <20201213133850.10070-12-leo.yan@linaro.org> (raw)
In-Reply-To: <20201213133850.10070-1-leo.yan@linaro.org>

Since the new display option 'all' is introduced, this patch is to
update the documentation to reflect it.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 tools/perf/Documentation/perf-c2c.txt | 21 ++++++++++++++++-----
 1 file changed, 16 insertions(+), 5 deletions(-)

diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index c81d72e3eecf..da49c3d26316 100644
--- a/tools/perf/Documentation/perf-c2c.txt
+++ b/tools/perf/Documentation/perf-c2c.txt
@@ -109,7 +109,8 @@ REPORT OPTIONS
 
 -d::
 --display::
-	Switch to HITM type (rmt, lcl) to display and sort on. Total HITMs as default.
+	Switch to HITM type (rmt, lcl) or all load cache hit (all) to display
+	and sort on. Total HITMs as default.
 
 --stitch-lbr::
 	Show callgraph with stitched LBRs, which may have more complete
@@ -174,12 +175,18 @@ For each cacheline in the 1) list we display following data:
   Cacheline
   - cacheline address (hex number)
 
-  Rmt/Lcl Hitm
+  Rmt/Lcl Hitm (For display with HITM types)
   - cacheline percentage of all Remote/Local HITM accesses
 
-  LLC Load Hitm - Total, LclHitm, RmtHitm
+  LLC Load Hitm - Total, LclHitm, RmtHitm (For display with HITM types)
   - count of Total/Local/Remote load HITMs
 
+  LD Hit Pct (For display 'all')
+  - cacheline percentage of all load hit accesses
+
+  LD Hit Total (For display 'all')
+  - sum of all load hit accesses
+
   Total records
   - sum of all cachelines accesses
 
@@ -207,9 +214,12 @@ For each cacheline in the 1) list we display following data:
 
 For each offset in the 2) list we display following data:
 
-  HITM - Rmt, Lcl
+  HITM - Rmt, Lcl (For display with HITM types)
   - % of Remote/Local HITM accesses for given offset within cacheline
 
+  Load Refs - Hit, Miss (For display 'all')
+  - % of load accesses that hit/missed cache for given offset within cacheline
+
   Store Refs - L1 Hit, L1 Miss
   - % of store accesses that hit/missed L1 for given offset within cacheline
 
@@ -249,7 +259,8 @@ The 'Node' field displays nodes that accesses given cacheline
 offset. Its output comes in 3 flavors:
   - node IDs separated by ','
   - node IDs with stats for each ID, in following format:
-      Node{cpus %hitms %stores}
+      Node{cpus %hitms %stores} (For display with HITM types)
+      Node{cpus %loads %stores} (For display with "all")
   - node IDs with list of affected CPUs in following format:
       Node{cpu list}
 
-- 
2.17.1


  parent reply	other threads:[~2020-12-13 13:43 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-13 13:38 [PATCH v2 00/11] perf c2c: Sort cacheline with all loads Leo Yan
2020-12-13 13:38 ` [PATCH v2 01/11] perf c2c: Add dimensions for total load hit Leo Yan
2021-01-06  7:38   ` Namhyung Kim
2021-01-11  7:49     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 02/11] perf c2c: Add dimensions for " Leo Yan
2021-01-06  7:38   ` Namhyung Kim
2021-01-11  8:22     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 03/11] perf c2c: Add dimensions for load miss Leo Yan
2021-01-06  7:42   ` Namhyung Kim
2021-01-11  8:41     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 04/11] perf c2c: Rename for shared cache line stats Leo Yan
2021-01-06  7:44   ` Namhyung Kim
2021-01-11  8:42     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 05/11] perf c2c: Refactor hist entry validation Leo Yan
2020-12-13 13:38 ` [PATCH v2 06/11] perf c2c: Refactor display filter macro Leo Yan
2021-01-06  7:47   ` Namhyung Kim
2021-01-11  8:43     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 07/11] perf c2c: Refactor node display macro Leo Yan
2021-01-06  7:47   ` Namhyung Kim
2021-01-11  8:44     ` Leo Yan
2020-12-13 13:38 ` [PATCH v2 08/11] perf c2c: Refactor node header Leo Yan
2020-12-13 13:38 ` [PATCH v2 09/11] perf c2c: Add local variables for output metrics Leo Yan
2020-12-13 13:38 ` [PATCH v2 10/11] perf c2c: Sort on all cache hit for load operations Leo Yan
2021-01-06  7:52   ` Namhyung Kim
2021-01-11  8:47     ` Leo Yan
2020-12-13 13:38 ` Leo Yan [this message]
2021-01-03 22:52 ` [PATCH v2 00/11] perf c2c: Sort cacheline with all loads Jiri Olsa
2021-01-04  2:09   ` Leo Yan
2021-01-04  9:35     ` Jiri Olsa
2021-01-15 15:17       ` Arnaldo Carvalho de Melo
2021-01-16  0:45         ` Leo Yan

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