linux-kernel - [PATCH v6 08/15] perf c2c: Add mean dimensions for peer operations

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Date:   Thu, 11 Aug 2022 14:24:44 +0800
From:   Leo Yan <leo.yan@...aro.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        John Garry <john.garry@...wei.com>,
        Will Deacon <will@...nel.org>,
        James Clark <james.clark@....com>,
        Mike Leach <mike.leach@...aro.org>,
        Kajol Jain <kjain@...ux.ibm.com>,
        Ali Saidi <alisaidi@...zon.com>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "Gustavo A. R. Silva" <gustavoars@...nel.org>,
        Anshuman Khandual <anshuman.khandual@....com>,
        Ian Rogers <irogers@...gle.com>, Like Xu <likexu@...cent.com>,
        German Gomez <german.gomez@....com>,
        Timothy Hayes <timothy.hayes@....com>,
        linux-kernel@...r.kernel.org, linux-perf-users@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Cc:     Leo Yan <leo.yan@...aro.org>
Subject: [PATCH v6 08/15] perf c2c: Add mean dimensions for peer operations

This patch adds two dimensions for the mean value of peer operations.

Signed-off-by: Leo Yan <leo.yan@...aro.org>
Acked-by: Ian Rogers <irogers@...gle.com>
Tested-by: Ali Saidi <alisaidi@...zon.com>
Reviewed-by: Ali Saidi <alisaidi@...zon.com>
---
 tools/perf/builtin-c2c.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index dd47f068b8da..8dd9218a052f 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -55,6 +55,8 @@ struct c2c_hists {
 struct compute_stats {
 	struct stats		 lcl_hitm;
 	struct stats		 rmt_hitm;
+	struct stats		 lcl_peer;
+	struct stats		 rmt_peer;
 	struct stats		 load;
 };
 
@@ -154,6 +156,8 @@ static void *c2c_he_zalloc(size_t size)
 
 	init_stats(&c2c_he->cstats.lcl_hitm);
 	init_stats(&c2c_he->cstats.rmt_hitm);
+	init_stats(&c2c_he->cstats.lcl_peer);
+	init_stats(&c2c_he->cstats.rmt_peer);
 	init_stats(&c2c_he->cstats.load);
 
 	return &c2c_he->he;
@@ -253,6 +257,10 @@ static void compute_stats(struct c2c_hist_entry *c2c_he,
 		update_stats(&cstats->rmt_hitm, weight);
 	else if (stats->lcl_hitm)
 		update_stats(&cstats->lcl_hitm, weight);
+	else if (stats->rmt_peer)
+		update_stats(&cstats->rmt_peer, weight);
+	else if (stats->lcl_peer)
+		update_stats(&cstats->lcl_peer, weight);
 	else if (stats->load)
 		update_stats(&cstats->load, weight);
 }
@@ -1280,6 +1288,8 @@ __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he)	\
 MEAN_ENTRY(mean_rmt_entry,  rmt_hitm);
 MEAN_ENTRY(mean_lcl_entry,  lcl_hitm);
 MEAN_ENTRY(mean_load_entry, load);
+MEAN_ENTRY(mean_rmt_peer_entry, rmt_peer);
+MEAN_ENTRY(mean_lcl_peer_entry, lcl_peer);
 
 static int
 cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
@@ -1750,6 +1760,22 @@ static struct c2c_dimension dim_mean_load = {
 	.width		= 8,
 };
 
+static struct c2c_dimension dim_mean_rmt_peer = {
+	.header		= HEADER_SPAN("---------- cycles ----------", "rmt peer", 2),
+	.name		= "mean_rmt_peer",
+	.cmp		= empty_cmp,
+	.entry		= mean_rmt_peer_entry,
+	.width		= 8,
+};
+
+static struct c2c_dimension dim_mean_lcl_peer = {
+	.header		= HEADER_SPAN_LOW("lcl peer"),
+	.name		= "mean_lcl_peer",
+	.cmp		= empty_cmp,
+	.entry		= mean_lcl_peer_entry,
+	.width		= 8,
+};
+
 static struct c2c_dimension dim_cpucnt = {
 	.header		= HEADER_BOTH("cpu", "cnt"),
 	.name		= "cpucnt",
@@ -1835,6 +1861,8 @@ static struct c2c_dimension *dimensions[] = {
 	&dim_node,
 	&dim_mean_rmt,
 	&dim_mean_lcl,
+	&dim_mean_rmt_peer,
+	&dim_mean_lcl_peer,
 	&dim_mean_load,
 	&dim_cpucnt,
 	&dim_srcline,
-- 
2.34.1