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>,
Andi Kleen <ak@linux.intel.com>,
Kan Liang <kan.liang@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 v2 9/9] perf c2c: Update documentation for metrics reorganization
Date: Thu, 15 Oct 2020 15:45:48 +0100 [thread overview]
Message-ID: <20201015144548.18482-10-leo.yan@linaro.org> (raw)
In-Reply-To: <20201015144548.18482-1-leo.yan@linaro.org>
The output format for metrics has been reorganized, update documentation
to reflect the changes for it.
Signed-off-by: Leo Yan <leo.yan@linaro.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
prev parent reply other threads:[~2020-10-15 14:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-15 14:45 [PATCH v2 0/9] perf c2c: Refine the organization of metrics Leo Yan
2020-10-15 14:45 ` [PATCH v2 1/9] perf c2c: Display the total numbers continuously Leo Yan
2020-10-15 14:45 ` [PATCH v2 2/9] perf c2c: Display "Total Stores" as a standalone metrics Leo Yan
2020-10-15 14:45 ` [PATCH v2 3/9] perf c2c: Organize metrics based on memory hierarchy Leo Yan
2020-10-15 14:45 ` [PATCH v2 4/9] perf c2c: Change header from "LLC Load Hitm" to "Load Hitm" Leo Yan
2020-10-15 14:45 ` [PATCH v2 5/9] perf c2c: Use more explicit headers for HITM Leo Yan
2020-10-15 14:45 ` [PATCH v2 6/9] perf c2c: Change header for LLC local hit Leo Yan
2020-10-15 14:45 ` [PATCH v2 7/9] perf c2c: Correct LLC load hit metrics Leo Yan
2020-10-15 14:45 ` [PATCH v2 8/9] perf c2c: Add metrics "RMT Load Hit" Leo Yan
2020-10-15 14:45 ` Leo Yan [this message]
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