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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>,
	Alyssa Ross <hi@alyssa.is>, Ian Rogers <irogers@google.com>,
	Like Xu <likexu@tencent.com>, Kajol Jain <kjain@linux.ibm.com>,
	Li Huafei <lihuafei1@huawei.com>, Joe Mario <jmario@redhat.com>,
	Adam Li <adam.li@amperecomputing.com>,
	German Gomez <german.gomez@arm.com>,
	James Clark <james.clark@arm.com>,
	Ali Saidi <alisaidi@amazon.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v4 02/12] perf c2c: Output statistics for peer snooping
Date: Mon, 30 May 2022 19:40:26 +0800	[thread overview]
Message-ID: <20220530114036.3225544-3-leo.yan@linaro.org> (raw)
In-Reply-To: <20220530114036.3225544-1-leo.yan@linaro.org>

This patch outputs statistics for peer snooping for whole trace events
and global shared cache line.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
---
 tools/perf/builtin-c2c.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index e8280973d7b8..ac389432c15f 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -2202,6 +2202,8 @@ static void print_c2c__display_stats(FILE *out)
 	fprintf(out, "  Load LLC Misses                   : %10d\n", llc_misses);
 	fprintf(out, "  Load access blocked by data       : %10d\n", stats->blk_data);
 	fprintf(out, "  Load access blocked by address    : %10d\n", stats->blk_addr);
+	fprintf(out, "  Load HIT Local Peer               : %10d\n", stats->lcl_peer);
+	fprintf(out, "  Load HIT Remote Peer              : %10d\n", stats->rmt_peer);
 	fprintf(out, "  LLC Misses to Local DRAM          : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
 	fprintf(out, "  LLC Misses to Remote DRAM         : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
 	fprintf(out, "  LLC Misses to Remote cache (HIT)  : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
@@ -2230,6 +2232,7 @@ static void print_shared_cacheline_info(FILE *out)
 	fprintf(out, "  L1D hits on shared lines          : %10d\n", stats->ld_l1hit);
 	fprintf(out, "  L2D hits on shared lines          : %10d\n", stats->ld_l2hit);
 	fprintf(out, "  LLC hits on shared lines          : %10d\n", stats->ld_llchit + stats->lcl_hitm);
+	fprintf(out, "  Load hits on peer cache or nodes  : %10d\n", stats->lcl_peer + stats->rmt_peer);
 	fprintf(out, "  Locked Access on shared lines     : %10d\n", stats->locks);
 	fprintf(out, "  Blocked Access on shared lines    : %10d\n", stats->blk_data + stats->blk_addr);
 	fprintf(out, "  Store HITs on shared lines        : %10d\n", stats->store);
-- 
2.25.1


  parent reply	other threads:[~2022-05-30 11:41 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-05-30 11:40 [PATCH v4 00/12] perf c2c: Support display for Arm64 Leo Yan
2022-05-30 11:40 ` [PATCH v4 01/12] perf mem: Add statistics for peer snooping Leo Yan
2022-05-30 11:40 ` Leo Yan [this message]
2022-05-30 11:40 ` [PATCH v4 03/12] perf c2c: Add dimensions for peer load operations Leo Yan
2022-05-30 11:40 ` [PATCH v4 04/12] perf c2c: Add dimensions of peer metrics for cache line view Leo Yan
2022-05-30 11:40 ` [PATCH v4 05/12] perf c2c: Add mean dimensions for peer operations Leo Yan
2022-05-30 11:40 ` [PATCH v4 06/12] perf c2c: Use explicit names for display macros Leo Yan
2022-05-30 11:40 ` [PATCH v4 07/12] perf c2c: Rename dimension from 'percent_hitm' to 'percent_costly_snoop' Leo Yan
2022-05-30 11:40 ` [PATCH v4 08/12] perf c2c: Refactor node header Leo Yan
2022-05-30 11:40 ` [PATCH v4 09/12] perf c2c: Refactor display string Leo Yan
2022-05-30 11:40 ` [PATCH v4 10/12] perf c2c: Sort on peer snooping for load operations Leo Yan
2022-05-30 11:40 ` [PATCH v4 11/12] perf c2c: Use 'peer' as default display for Arm64 Leo Yan
2022-05-30 11:40 ` [PATCH v4 12/12] perf c2c: Update documentation for new display option 'peer' Leo Yan
2022-05-31 18:44 ` [PATCH v4 00/12] perf c2c: Support display for Arm64 Joe Mario
2022-06-01 10:25   ` Leo Yan
2022-06-02 16:59     ` Ian Rogers
2022-06-03  3:36       ` Leo Yan
2022-06-02 17:11     ` Ali Saidi
2022-06-03  3:46       ` Leo Yan
2022-06-03 19:33 ` Arnaldo Carvalho de Melo
2022-06-04  1:40   ` Leo Yan

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