linux-kernel - [PATCH 39/57] perf c2c report: Add src line sort key

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Message-Id: <1474558645-19956-40-git-send-email-jolsa@kernel.org>
Date:   Thu, 22 Sep 2016 17:37:07 +0200
From:   Jiri Olsa <jolsa@...nel.org>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     lkml <linux-kernel@...r.kernel.org>,
        Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Andi Kleen <andi@...stfloor.org>
Subject: [PATCH 39/57] perf c2c report: Add src line sort key

Adding source line dimension key wrapper.

It is to be displayed in the single cacheline output:

  cl_srcline

It displays source line related to the code address that
accessed cacheline. It's a wrapper to global srcline sort
entry.

Link: http://lkml.kernel.org/n/tip-cmnzgm37mjz56ozsg4mnbgxq@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/builtin-c2c.c | 11 +++++++++++
 tools/perf/util/sort.c   |  2 +-
 tools/perf/util/sort.h   |  1 +
 3 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 2318249362f8..8fb798c8a790 100644
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -50,6 +50,8 @@ struct perf_c2c {
 	int			 cpus_cnt;
 	int			*cpu2node;
 	int			 node_info;
+
+	bool			 show_src;
 };
 
 static struct perf_c2c c2c;
@@ -1360,6 +1362,11 @@ static struct c2c_dimension dim_cpucnt = {
 	.width		= 8,
 };
 
+static struct c2c_dimension dim_srcline = {
+	.name		= "cl_srcline",
+	.se		= &sort_srcline,
+};
+
 static struct c2c_dimension *dimensions[] = {
 	&dim_dcacheline,
 	&dim_offset,
@@ -1398,6 +1405,7 @@ static struct c2c_dimension *dimensions[] = {
 	&dim_mean_lcl,
 	&dim_mean_load,
 	&dim_cpucnt,
+	&dim_srcline,
 	NULL,
 };
 
@@ -1605,6 +1613,9 @@ static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
 
 static int filter_cb(struct hist_entry *he __maybe_unused)
 {
+	if (c2c.show_src && !he->srcline)
+		he->srcline = hist_entry__get_srcline(he);
+
 	return 0;
 }
 
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 452e15a10dd2..df622f4e301e 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -315,7 +315,7 @@ struct sort_entry sort_sym = {
 
 /* --sort srcline */
 
-static char *hist_entry__get_srcline(struct hist_entry *he)
+char *hist_entry__get_srcline(struct hist_entry *he)
 {
 	struct map *map = he->ms.map;
 
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 099c97557d33..7aff317fc7c4 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -280,4 +280,5 @@ int64_t
 sort__daddr_cmp(struct hist_entry *left, struct hist_entry *right);
 int64_t
 sort__dcacheline_cmp(struct hist_entry *left, struct hist_entry *right);
+char *hist_entry__get_srcline(struct hist_entry *he);
 #endif	/* __PERF_SORT_H */
-- 
2.7.4