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@redhat.com>, Namhyung Kim <namhyung@kernel.org>,
Kan Liang <kan.liang@linux.intel.com>,
Andi Kleen <ak@linux.intel.com>, Ian Rogers <irogers@google.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 v1 8/8] perf c2c: Update documentation for display option 'llc'
Date: Thu, 15 Oct 2020 15:50:41 +0100 [thread overview]
Message-ID: <20201015145041.10953-9-leo.yan@linaro.org> (raw)
In-Reply-To: <20201015145041.10953-1-leo.yan@linaro.org>
Since the new display option 'llc' 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 | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/tools/perf/Documentation/perf-c2c.txt b/tools/perf/Documentation/perf-c2c.txt
index c81d72e3eecf..eadce62ecd28 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 LLC load access (llc) 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
+ LLC Hit Pct (For display 'llc')
+ - cacheline percentage of all LLC load accesses
+
+ LLC Hit Total (For display 'llc')
+ - sum of all LLC load 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
+ LLC LD - LclHit, LclHitm (For display 'llc')
+ - % of LLC hits and LLC HITMs accesses for given offset within cacheline
+
Store Refs - L1 Hit, L1 Miss
- % of store accesses that hit/missed L1 for given offset within cacheline
--
2.17.1
next prev parent reply other threads:[~2020-10-15 14:51 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-15 14:50 [PATCH v1 0/8] perf c2c: Sort cacheline with LLC load Leo Yan
2020-10-15 14:50 ` [PATCH v1 1/8] perf mem: Add structure field c2c_stats::tot_llchit Leo Yan
2020-10-15 14:50 ` [PATCH v1 2/8] perf c2c: Add dimensions for total LLC hit Leo Yan
2020-10-15 14:50 ` [PATCH v1 3/8] perf c2c: Add dimensions for LLC load hit Leo Yan
2020-10-15 14:50 ` [PATCH v1 4/8] perf c2c: Change to general naming for macros Leo Yan
2020-10-15 14:50 ` [PATCH v1 5/8] perf c2c: Rename for shared cache line stats Leo Yan
2020-10-15 14:50 ` [PATCH v1 6/8] perf c2c: Refactor hist entry validation Leo Yan
2020-10-15 14:50 ` [PATCH v1 7/8] perf c2c: Add option '-d llc' for sorting with LLC load Leo Yan
2020-10-20 7:25 ` Jiri Olsa
2020-10-20 8:08 ` Leo Yan
2020-10-22 8:43 ` Jiri Olsa
2020-10-20 7:26 ` Jiri Olsa
2020-10-20 8:14 ` Leo Yan
2020-10-15 14:50 ` Leo Yan [this message]
2020-10-20 7:26 ` [PATCH v1 8/8] perf c2c: Update documentation for display option 'llc' Jiri Olsa
2020-10-15 15:05 ` [PATCH v1 0/8] perf c2c: Sort cacheline with LLC load Arnaldo Carvalho de Melo
2020-10-15 15:14 ` Leo Yan
2020-10-20 8:13 ` Namhyung Kim
2020-10-20 8:18 ` Leo Yan
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