diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-06-13 19:39:23 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-13 19:51:00 +0400 |
| commit | c17c2db1f3cea41c3543025905d3582c6937dd95 (patch) | |
| tree | a795e310e24c7d07a6ea279c1b2332ee80b5b797 /tools | |
| parent | ef281a196d66b8bc2d067a3704712e5b93691fbc (diff) | |
| download | linux-c17c2db1f3cea41c3543025905d3582c6937dd95.tar.xz | |
perf annotate: Fixes for filename:line displays
- fix addr2line on userspace binary: don't only check kernel image.
- fix string allocation size for path: missing ending null char room
- fix overflow in symbol extra info
Reported-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <1244907563-7820-1-git-send-email-fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-annotate.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 7a5b27867a96..94cea678fd7e 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -1116,7 +1116,7 @@ parse_line(FILE *file, struct symbol *sym, __u64 start, __u64 len) if (offset < len) hits = sym->hist[offset]; - if (sym_ext) { + if (offset < len && sym_ext) { path = sym_ext[offset].path; percent = sym_ext[offset].percent; } else if (sym->hist_sum) @@ -1190,7 +1190,8 @@ static void free_source_line(struct symbol *sym, int len) } /* Get the filename:line for the colored entries */ -static void get_source_line(struct symbol *sym, __u64 start, int len) +static void +get_source_line(struct symbol *sym, __u64 start, int len, char *filename) { int i; char cmd[PATH_MAX * 2]; @@ -1216,7 +1217,7 @@ static void get_source_line(struct symbol *sym, __u64 start, int len) continue; offset = start + i; - sprintf(cmd, "addr2line -e %s %016llx", vmlinux, offset); + sprintf(cmd, "addr2line -e %s %016llx", filename, offset); fp = popen(cmd, "r"); if (!fp) continue; @@ -1224,7 +1225,7 @@ static void get_source_line(struct symbol *sym, __u64 start, int len) if (getline(&path, &line_len, fp) < 0 || !line_len) goto next; - sym_ext[i].path = malloc(sizeof(char) * line_len); + sym_ext[i].path = malloc(sizeof(char) * line_len + 1); if (!sym_ext[i].path) goto next; @@ -1285,7 +1286,7 @@ static void annotate_sym(struct dso *dso, struct symbol *sym) len = sym->end - sym->start; if (print_line) { - get_source_line(sym, start, len); + get_source_line(sym, start, len, filename); print_summary(filename); } |