[PATCH 02/26] perf map: Pass a dso_id to map__new()

From: Arnaldo Carvalho de Melo
Date: Fri Nov 22 2019 - 09:57:27 EST


From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

Instead of the 4 fields, a step in the direction of moving this to
struct dso.

Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: Andi Kleen <ak@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Link: https://lkml.kernel.org/n/tip-gp5s1xgxacurmih5d1l94ymy@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/perf/util/machine.c | 15 ++++++++-------
tools/perf/util/map.c | 13 +++++++------
tools/perf/util/map.h | 3 +--
3 files changed, 16 insertions(+), 15 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 71ee078d30f4..41b4263c073d 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1651,6 +1651,12 @@ int machine__process_mmap2_event(struct machine *machine,
{
struct thread *thread;
struct map *map;
+ struct dso_id dso_id = {
+ .maj = event->mmap2.maj,
+ .min = event->mmap2.min,
+ .ino = event->mmap2.ino,
+ .ino_generation = event->mmap2.ino_generation,
+ };
int ret = 0;

if (dump_trace)
@@ -1671,10 +1677,7 @@ int machine__process_mmap2_event(struct machine *machine,

map = map__new(machine, event->mmap2.start,
event->mmap2.len, event->mmap2.pgoff,
- event->mmap2.maj,
- event->mmap2.min, event->mmap2.ino,
- event->mmap2.ino_generation,
- event->mmap2.prot,
+ &dso_id, event->mmap2.prot,
event->mmap2.flags,
event->mmap2.filename, thread);

@@ -1727,9 +1730,7 @@ int machine__process_mmap_event(struct machine *machine, union perf_event *event

map = map__new(machine, event->mmap.start,
event->mmap.len, event->mmap.pgoff,
- 0, 0, 0, 0, prot, 0,
- event->mmap.filename,
- thread);
+ NULL, prot, 0, event->mmap.filename, thread);

if (map == NULL)
goto out_problem_map;
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 4f50b1b2961f..812d663ebb57 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -144,8 +144,8 @@ void map__init(struct map *map, u64 start, u64 end, u64 pgoff, struct dso *dso)
}

struct map *map__new(struct machine *machine, u64 start, u64 len,
- u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
- u64 ino_gen, u32 prot, u32 flags, char *filename,
+ u64 pgoff, struct dso_id *id,
+ u32 prot, u32 flags, char *filename,
struct thread *thread)
{
struct map *map = malloc(sizeof(*map));
@@ -162,10 +162,11 @@ struct map *map__new(struct machine *machine, u64 start, u64 len,
vdso = is_vdso_map(filename);
no_dso = is_no_dso_memory(filename);

- map->dso_id.maj = d_maj;
- map->dso_id.min = d_min;
- map->dso_id.ino = ino;
- map->dso_id.ino_generation = ino_gen;
+ if (id)
+ map->dso_id = *id;
+ else
+ map->dso_id.min = map->dso_id.ino = map->dso_id.ino_generation = 0;
+
map->prot = prot;
map->flags = flags;
nsi = nsinfo__get(thread->nsinfo);
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 70d87dcbe35d..f962eb9035c7 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -117,8 +117,7 @@ struct thread;
void map__init(struct map *map,
u64 start, u64 end, u64 pgoff, struct dso *dso);
struct map *map__new(struct machine *machine, u64 start, u64 len,
- u64 pgoff, u32 d_maj, u32 d_min, u64 ino,
- u64 ino_gen, u32 prot, u32 flags,
+ u64 pgoff, struct dso_id *id, u32 prot, u32 flags,
char *filename, struct thread *thread);
struct map *map__new2(u64 start, struct dso *dso);
void map__delete(struct map *map);
--
2.21.0