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perf annotate: Factor out get/free_srcline()

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Currently external addr2line tool is used for srcline sort key and
annotate with srcline info.  Separate the common code to prepare
upcoming enhancements.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Reviewed-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1378876173-13363-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2013-09-11 14:09:28 +09:00
committed by Arnaldo Carvalho de Melo
parent 909b143162
commit f048d548f8
6 changed files with 96 additions and 32 deletions
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20
tools/perf/util/annotate.c
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@@ -1070,7 +1070,7 @@ static void symbol__free_source_line(struct symbol *sym, int len)
(sizeof(src_line->p) * (src_line->nr_pcnt - 1));
for (i = 0; i < len; i++) {
free(src_line->path);
free_srcline(src_line->path);
src_line = (void *)src_line + sizeof_src_line;
}
@@ -1087,7 +1087,6 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
u64 start;
int i, k;
int evidx = evsel->idx;
char cmd[PATH_MAX * 2];
struct source_line *src_line;
struct annotation *notes = symbol__annotation(sym);
struct sym_hist *h = annotation__histogram(notes, evidx);
@@ -1115,10 +1114,7 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
start = map__rip_2objdump(map, sym->start);
for (i = 0; i < len; i++) {
char *path = NULL;
size_t line_len;
u64 offset;
FILE *fp;
double percent_max = 0.0;
src_line->nr_pcnt = nr_pcnt;
@@ -1135,19 +1131,9 @@ static int symbol__get_source_line(struct symbol *sym, struct map *map,
goto next;
offset = start + i;
sprintf(cmd, "addr2line -e %s %016" PRIx64, filename, offset);
fp = popen(cmd, "r");
if (!fp)
goto next;
if (getline(&path, &line_len, fp) < 0 || !line_len)
goto next_close;
src_line->path = path;
src_line->path = get_srcline(filename, offset);
insert_source_line(&tmp_root, src_line);
next_close:
pclose(fp);
next:
src_line = (void *)src_line + sizeof_src_line;
}
@@ -1188,7 +1174,7 @@ static void print_summary(struct rb_root *root, const char *filename)
path = src_line->path;
color = get_percent_color(percent_max);
color_fprintf(stdout, color, " %s", path);
color_fprintf(stdout, color, " %s\n", path);
node = rb_next(node);
}