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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>, Jiri Olsa <jolsa@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Ian Rogers <irogers@google.com>,
	John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
	James Clark <james.clark@arm.com>,
	German Gomez <german.gomez@arm.com>,
	Ali Saidi <alisaidi@amazon.com>, Joe Mario <jmario@redhat.com>,
	Adam Li <adam.li@amperecomputing.com>,
	linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v5 07/17] perf c2c: Output statistics for peer snooping
Date: Sat,  4 Jun 2022 12:28:10 +0800	[thread overview]
Message-ID: <20220604042820.2270916-8-leo.yan@linaro.org> (raw)
In-Reply-To: <20220604042820.2270916-1-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>
Acked-by: Ian Rogers <irogers@google.com>
Tested-by: Ali Saidi <alisaidi@amazon.com>
Reviewed-by: Ali Saidi <alisaidi@amazon.com>
---
 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 4898ee57d156..37bebeb6c11b 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:[~2022-06-04  4:29 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-06-04  4:28 [PATCH v5 00/17] perf c2c: Support data source and display for Arm64 Leo Yan
2022-06-04  4:28 ` [PATCH v5 01/17] perf: Add SNOOP_PEER flag to perf mem data struct Leo Yan
2022-07-20 18:45   ` Arnaldo Carvalho de Melo
2022-07-20 18:46     ` Arnaldo Carvalho de Melo
2022-07-21  0:27       ` Leo Yan
2022-06-04  4:28 ` [PATCH v5 02/17] perf tools: sync addition of PERF_MEM_SNOOPX_PEER Leo Yan
2022-06-04  4:28 ` [PATCH v5 03/17] perf mem: Print snoop peer flag Leo Yan
2022-06-04  4:28 ` [PATCH v5 04/17] perf arm-spe: Don't set data source if it's not a memory operation Leo Yan
2022-06-04  4:28 ` [PATCH v5 05/17] perf arm-spe: Use SPE data source for neoverse cores Leo Yan
2022-06-04  4:28 ` [PATCH v5 06/17] perf mem: Add statistics for peer snooping Leo Yan
2022-06-04  4:28 ` Leo Yan [this message]
2022-06-04  4:28 ` [PATCH v5 08/17] perf c2c: Add dimensions for peer load operations Leo Yan
2022-06-04  4:28 ` [PATCH v5 09/17] perf c2c: Add dimensions of peer metrics for cache line view Leo Yan
2022-06-04  4:28 ` [PATCH v5 10/17] perf c2c: Add mean dimensions for peer operations Leo Yan
2022-06-04  4:28 ` [PATCH v5 11/17] perf c2c: Use explicit names for display macros Leo Yan
2022-06-04  4:28 ` [PATCH v5 12/17] perf c2c: Rename dimension from 'percent_hitm' to 'percent_costly_snoop' Leo Yan
2022-06-04  4:28 ` [PATCH v5 13/17] perf c2c: Refactor node header Leo Yan
2022-06-04  4:28 ` [PATCH v5 14/17] perf c2c: Refactor display string Leo Yan
2022-06-04  4:28 ` [PATCH v5 15/17] perf c2c: Sort on peer snooping for load operations Leo Yan
2022-06-04  4:28 ` [PATCH v5 16/17] perf c2c: Use 'peer' as default display for Arm64 Leo Yan
2022-06-04  4:28 ` [PATCH v5 17/17] perf c2c: Update documentation for new display option 'peer' Leo Yan
2022-08-10 13:37 ` [PATCH v5 00/17] perf c2c: Support data source and display for Arm64 Arnaldo Carvalho de Melo
2022-08-11  6:41   ` Leo Yan
2022-08-12 12:43     ` Arnaldo Carvalho de Melo
2022-08-12 15:20       ` Leo Yan

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