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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>,
	John Garry <john.garry@huawei.com>, Will Deacon <will@kernel.org>,
	James Clark <james.clark@arm.com>,
	Mike Leach <mike.leach@linaro.org>,
	Kajol Jain <kjain@linux.ibm.com>, Ali Saidi <alisaidi@amazon.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	"Gustavo A. R. Silva" <gustavoars@kernel.org>,
	Anshuman Khandual <anshuman.khandual@arm.com>,
	Ian Rogers <irogers@google.com>, Like Xu <likexu@tencent.com>,
	German Gomez <german.gomez@arm.com>,
	Timothy Hayes <timothy.hayes@arm.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Cc: Leo Yan <leo.yan@linaro.org>
Subject: [PATCH v6 05/15] perf c2c: Output statistics for peer snooping
Date: Thu, 11 Aug 2022 14:24:41 +0800	[thread overview]
Message-ID: <20220811062451.435810-6-leo.yan@linaro.org> (raw)
In-Reply-To: <20220811062451.435810-1-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);
-- 
2.34.1


  parent reply	other threads:[~2022-08-11  6:25 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-08-11  6:24 [PATCH v6 00/15] perf c2c: Support data source and display for Arm64 Leo Yan
2022-08-11  6:24 ` [PATCH v6 01/15] perf tools: sync addition of PERF_MEM_SNOOPX_PEER Leo Yan
2022-08-11 21:55   ` Arnaldo Carvalho de Melo
2022-08-11  6:24 ` [PATCH v6 02/15] perf mem: Print snoop peer flag Leo Yan
2022-08-11  6:24 ` [PATCH v6 03/15] perf arm-spe: Use SPE data source for neoverse cores Leo Yan
2022-08-11 22:01   ` Arnaldo Carvalho de Melo
2022-08-11  6:24 ` [PATCH v6 04/15] perf mem: Add statistics for peer snooping Leo Yan
2022-08-11  6:24 ` Leo Yan [this message]
2022-08-11  6:24 ` [PATCH v6 06/15] perf c2c: Add dimensions for peer load operations Leo Yan
2022-08-11  6:24 ` [PATCH v6 07/15] perf c2c: Add dimensions of peer metrics for cache line view Leo Yan
2022-08-11  6:24 ` [PATCH v6 08/15] perf c2c: Add mean dimensions for peer operations Leo Yan
2022-08-11  6:24 ` [PATCH v6 09/15] perf c2c: Use explicit names for display macros Leo Yan
2022-08-11  6:24 ` [PATCH v6 10/15] perf c2c: Rename dimension from 'percent_hitm' to 'percent_costly_snoop' Leo Yan
2022-08-11  6:24 ` [PATCH v6 11/15] perf c2c: Refactor node header Leo Yan
2022-08-11  6:24 ` [PATCH v6 12/15] perf c2c: Refactor display string Leo Yan
2022-08-11  6:24 ` [PATCH v6 13/15] perf c2c: Sort on peer snooping for load operations Leo Yan
2022-08-11  6:24 ` [PATCH v6 14/15] perf c2c: Use 'peer' as default display for Arm64 Leo Yan
2022-08-11  6:24 ` [PATCH v6 15/15] perf c2c: Update documentation for new display option 'peer' Leo Yan
2022-08-11 22:25 ` [PATCH v6 00/15] perf c2c: Support data source and display for Arm64 Arnaldo Carvalho de Melo
2022-08-12  1:26   ` Leo Yan

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