linux-kernel - [PATCH 2/4] perf tools: pass timestamp to map

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Message-Id: <1423611765-18200-3-git-send-email-eranian@google.com>
Date:	Wed, 11 Feb 2015 00:42:43 +0100
From:	Stephane Eranian <eranian@...gle.com>
To:	linux-kernel@...r.kernel.org
Cc:	acme@...hat.com, peterz@...radead.org, mingo@...e.hu,
	ak@...ux.intel.com, jolsa@...hat.com, namhyung@...nel.org,
	cel@...ibm.com, sukadev@...ux.vnet.ibm.com, sonnyrao@...omium.org,
	johnmccutchan@...gle.com
Subject: [PATCH 2/4] perf tools: pass timestamp to map_init

This patch passes the sample timestamp down to the
map_init function. This is used to sort mmap records.

Signed-off-by: Stephane Eranian <eranian@...gle.com>
---
 tools/perf/util/machine.c | 8 ++++++--
 tools/perf/util/map.c     | 9 +++++----
 tools/perf/util/map.h     | 5 +++--
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 1bca3a9..3288a71 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1176,7 +1176,9 @@ int machine__process_mmap2_event(struct machine *machine,
 			event->mmap2.ino_generation,
 			event->mmap2.prot,
 			event->mmap2.flags,
-			event->mmap2.filename, type, thread);
+			event->mmap2.filename, type,
+			thread,
+			sample->time);
 
 	if (map == NULL)
 		goto out_problem;
@@ -1223,7 +1225,9 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event
 			event->mmap.len, event->mmap.pgoff,
 			event->mmap.pid, 0, 0, 0, 0, 0, 0,
 			event->mmap.filename,
-			type, thread);
+			type,
+			thread,
+			sample->time);
 
 	if (map == NULL)
 		goto out_problem;
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 62ca9f2..fac9d34 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -123,7 +123,7 @@ static inline bool replace_android_lib(const char *filename, char *newfilename)
 }
 
 void map__init(struct map *map, enum map_type type,
-	       u64 start, u64 end, u64 pgoff, struct dso *dso)
+	       u64 start, u64 end, u64 pgoff, struct dso *dso, u64 ts)
 {
 	map->type     = type;
 	map->start    = start;
@@ -137,12 +137,13 @@ void map__init(struct map *map, enum map_type type,
 	map->groups   = NULL;
 	map->referenced = false;
 	map->erange_warned = false;
+	map->time     = ts;
 }
 
 struct map *map__new(struct machine *machine, u64 start, u64 len,
 		     u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino,
 		     u64 ino_gen, u32 prot, u32 flags, char *filename,
-		     enum map_type type, struct thread *thread)
+		     enum map_type type, struct thread *thread, u64 ts)
 {
 	struct map *map = malloc(sizeof(*map));
 
@@ -182,7 +183,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len,
 		if (dso == NULL)
 			goto out_delete;
 
-		map__init(map, type, start, start + len, pgoff, dso);
+		map__init(map, type, start, start + len, pgoff, dso, ts);
 
 		if (anon || no_dso) {
 			map->map_ip = map->unmap_ip = identity__map_ip;
@@ -215,7 +216,7 @@ struct map *map__new2(u64 start, struct dso *dso, enum map_type type)
 		/*
 		 * ->end will be filled after we load all the symbols
 		 */
-		map__init(map, type, start, 0, 0, dso);
+		map__init(map, type, start, 0, 0, dso, 0);
 	}
 
 	return map;
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 0e42438..9320bf8 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -42,6 +42,7 @@ struct map {
 	u32			maj, min; /* only valid for MMAP2 record */
 	u64			ino;      /* only valid for MMAP2 record */
 	u64			ino_generation;/* only valid for MMAP2 record */
+	u64			time;
 
 	/* ip -> dso rip */
 	u64			(*map_ip)(struct map *, u64);
@@ -135,11 +136,11 @@ struct thread;
 typedef int (*symbol_filter_t)(struct map *map, struct symbol *sym);
 
 void map__init(struct map *map, enum map_type type,
-	       u64 start, u64 end, u64 pgoff, struct dso *dso);
+	       u64 start, u64 end, u64 pgoff, struct dso *dso, u64 ts);
 struct map *map__new(struct machine *machine, u64 start, u64 len,
 		     u64 pgoff, u32 pid, u32 d_maj, u32 d_min, u64 ino,
 		     u64 ino_gen, u32 prot, u32 flags,
-		     char *filename, enum map_type type, struct thread *thread);
+		     char *filename, enum map_type type, struct thread *thread, u64 time);
 struct map *map__new2(u64 start, struct dso *dso, enum map_type type);
 void map__delete(struct map *map);
 struct map *map__clone(struct map *map);
-- 
1.9.1

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