[PATCH 18/46] perf srcline: Introduce map__srcline() to make code more compact

Arnaldo Carvalho de Melo
2018-06-05T17:51:40Z

Replacing a common open coded sequence.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Wang Nan <wangnan0@huawei.com>
Link: https://lkml.kernel.org/n/tip-2d7d1nzd3ksqornloqeer99r@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
tools/perf/util/map.c | 12 ++++++----
tools/perf/util/map.h | 1 +
tools/perf/util/sort.c | 60 +++++++++++---------------------------------------
3 files changed, 22 insertions(+), 51 deletions(-)

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 6ae97eda370b..92abc8e248c5 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -415,16 +415,20 @@ size_t map__fprintf_dsoname(struct map *map, FILE *fp)
return fprintf(fp, "%s", dsoname);
}

+char *map__srcline(struct map *map, u64 addr, struct symbol *sym)
+{
+ if (map == NULL)
+ return SRCLINE_UNKNOWN;
+ return get_srcline(map->dso, map__rip_2objdump(map, addr), sym, true, true, addr);
+}
+
int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
FILE *fp)
{
- char *srcline;
int ret = 0;

if (map && map->dso) {
- srcline = get_srcline(map->dso,
- map__rip_2objdump(map, addr), NULL,
- true, true, addr);
+ char *srcline = map__srcline(map, addr, NULL);
if (srcline != SRCLINE_UNKNOWN)
ret = fprintf(fp, "%s%s", prefix, srcline);
free_srcline(srcline);
diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h
index 97e2a063bd65..4cb90f242bed 100644
--- a/tools/perf/util/map.h
+++ b/tools/perf/util/map.h
@@ -169,6 +169,7 @@ static inline void __map__zput(struct map **map)
int map__overlap(struct map *l, struct map *r);
size_t map__fprintf(struct map *map, FILE *fp);
size_t map__fprintf_dsoname(struct map *map, FILE *fp);
+char *map__srcline(struct map *map, u64 addr, struct symbol *sym);
int map__fprintf_srcline(struct map *map, u64 addr, const char *prefix,
FILE *fp);

diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index 4058ade352a5..71096dbfeb88 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -333,13 +333,7 @@ struct sort_entry sort_sym = {

char *hist_entry__get_srcline(struct hist_entry *he)
{
- struct map *map = he->ms.map;
-
- if (!map)
- return SRCLINE_UNKNOWN;
-
- return get_srcline(map->dso, map__rip_2objdump(map, he->ip),
- he->ms.sym, true, true, he->ip);
+ return map__srcline(he->ms.map, he->ip, he->ms.sym);
}

static int64_t
@@ -375,28 +369,14 @@ static int64_t
sort__srcline_from_cmp(struct hist_entry *left, struct hist_entry *right)
{
if (!left->branch_info->srcline_from) {
- struct map *map = left->branch_info->from.map;
- if (!map)
- left->branch_info->srcline_from = SRCLINE_UNKNOWN;
- else
- left->branch_info->srcline_from = get_srcline(map->dso,
- map__rip_2objdump(map,
- left->branch_info->from.al_addr),
- left->branch_info->from.sym,
- true, true,
- left->branch_info->from.al_addr);
+ left->branch_info->srcline_from = map__srcline(left->branch_info->from.map,
+ left->branch_info->from.al_addr,
+ left->branch_info->from.sym);
}
if (!right->branch_info->srcline_from) {
- struct map *map = right->branch_info->from.map;
- if (!map)
- right->branch_info->srcline_from = SRCLINE_UNKNOWN;
- else
- right->branch_info->srcline_from = get_srcline(map->dso,
- map__rip_2objdump(map,
- right->branch_info->from.al_addr),
- right->branch_info->from.sym,
- true, true,
- right->branch_info->from.al_addr);
+ right->branch_info->srcline_from = map__srcline(right->branch_info->from.map,
+ right->branch_info->from.al_addr,
+ right->branch_info->from.sym);
}
return strcmp(right->branch_info->srcline_from, left->branch_info->srcline_from);
}
@@ -420,28 +400,14 @@ static int64_t
sort__srcline_to_cmp(struct hist_entry *left, struct hist_entry *right)
{
if (!left->branch_info->srcline_to) {
- struct map *map = left->branch_info->to.map;
- if (!map)
- left->branch_info->srcline_to = SRCLINE_UNKNOWN;
- else
- left->branch_info->srcline_to = get_srcline(map->dso,
- map__rip_2objdump(map,
- left->branch_info->to.al_addr),
- left->branch_info->from.sym,
- true, true,
- left->branch_info->to.al_addr);
+ left->branch_info->srcline_to = map__srcline(left->branch_info->to.map,
+ left->branch_info->to.al_addr,
+ left->branch_info->to.sym);
}
if (!right->branch_info->srcline_to) {
- struct map *map = right->branch_info->to.map;
- if (!map)
- right->branch_info->srcline_to = SRCLINE_UNKNOWN;
- else
- right->branch_info->srcline_to = get_srcline(map->dso,
- map__rip_2objdump(map,
- right->branch_info->to.al_addr),
- right->branch_info->to.sym,
- true, true,
- right->branch_info->to.al_addr);
+ right->branch_info->srcline_to = map__srcline(right->branch_info->to.map,
+ right->branch_info->to.al_addr,
+ right->branch_info->to.sym);
}
return strcmp(right->branch_info->srcline_to, left->branch_info->srcline_to);
}
--
2.14.3