linux-kernel - [PATCH 25/52] perf c2c report: Add dram related sort keys

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Date:   Thu, 20 Oct 2016 12:04:09 -0300
From:   Arnaldo Carvalho de Melo <acme@...nel.org>
To:     Ingo Molnar <mingo@...nel.org>
Cc:     linux-kernel@...r.kernel.org, Linux Weekly News <lwn@....net>,
        Jiri Olsa <jolsa@...nel.org>, Andi Kleen <andi@...stfloor.org>,
        David Ahern <dsahern@...il.com>,
        Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Arnaldo Carvalho de Melo <acme@...hat.com>
Subject: [PATCH 25/52] perf c2c report: Add dram related sort keys

From: Jiri Olsa <jolsa@...nel.org>

They are to be displayed in the main cachelines overall output:

  dram_lcl, dram_rmt

They display DRAM rmt/lcl access numbers for specific cacheline.

Signed-off-by: Jiri Olsa <jolsa@...nel.org>
Cc: Andi Kleen <andi@...stfloor.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Don Zickus <dzickus@...hat.com>
Cc: Joe Mario <jmario@...hat.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Link: http://lkml.kernel.org/n/tip-tl3qqi9ehk6g1fla4z7y0ykd@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/builtin-c2c.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index bf4859fecc19..c718d8b553ce 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -807,6 +807,9 @@ percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
 	return per_left - per_right;
 }
 
+STAT_FN(lcl_dram)
+STAT_FN(rmt_dram)
+
 #define HEADER_LOW(__h)			\
 	{				\
 		.line[1] = {		\
@@ -1055,6 +1058,22 @@ static struct c2c_dimension dim_percent_stores_l1miss = {
 	.width		= 7,
 };
 
+static struct c2c_dimension dim_dram_lcl = {
+	.header		= HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
+	.name		= "dram_lcl",
+	.cmp		= lcl_dram_cmp,
+	.entry		= lcl_dram_entry,
+	.width		= 8,
+};
+
+static struct c2c_dimension dim_dram_rmt = {
+	.header		= HEADER_SPAN_LOW("Rmt"),
+	.name		= "dram_rmt",
+	.cmp		= rmt_dram_cmp,
+	.entry		= rmt_dram_entry,
+	.width		= 8,
+};
+
 static struct c2c_dimension *dimensions[] = {
 	&dim_dcacheline,
 	&dim_offset,
@@ -1082,6 +1101,8 @@ static struct c2c_dimension *dimensions[] = {
 	&dim_percent_lcl_hitm,
 	&dim_percent_stores_l1hit,
 	&dim_percent_stores_l1miss,
+	&dim_dram_lcl,
+	&dim_dram_rmt,
 	NULL,
 };
 
-- 
2.7.4