diff options
| author | Akihiro Nagai <akihiro.nagai.hw@hitachi.com> | 2012-01-30 13:42:57 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-01-30 17:57:57 -0200 |
| commit | 547a92e0aedb88129e7fbd804697a11949de2e5a (patch) | |
| tree | dbe71c0161ef32186de12032f4f0238383517dc4 /tools/perf/util/session.c | |
| parent | f9d36996564f91c517b75b02942015f7e09a6574 (diff) | |
perf script: Unify the expressions indicating "unknown"
The perf script command uses various expressions to indicate "unknown".
It is unfriendly for user scripts to parse it. So, this patch unifies
the expressions to "[unknown]".
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: yrl.pp-manager.tt@hitachi.com
Link: http://lkml.kernel.org/r/20120130044257.2384.62905.stgit@linux3
Signed-off-by: Akihiro Nagai <akihiro.nagai.hw@hitachi.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 35 |
1 files changed, 10 insertions, 25 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index b5ca2558c7b..e5334a97653 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1296,7 +1296,6 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, int print_sym, int print_dso) { struct addr_location al; - const char *symname, *dsoname; struct callchain_cursor *cursor = &evsel->hists.callchain_cursor; struct callchain_cursor_node *node; @@ -1324,20 +1323,13 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, printf("\t%16" PRIx64, node->ip); if (print_sym) { - if (node->sym && node->sym->name) - symname = node->sym->name; - else - symname = ""; - - printf(" %s", symname); + printf(" "); + symbol__fprintf_symname(node->sym, stdout); } if (print_dso) { - if (node->map && node->map->dso && node->map->dso->name) - dsoname = node->map->dso->name; - else - dsoname = ""; - - printf(" (%s)", dsoname); + printf(" ("); + map__fprintf_dsoname(al.map, stdout); + printf(")"); } printf("\n"); @@ -1347,21 +1339,14 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, } else { printf("%16" PRIx64, sample->ip); if (print_sym) { - if (al.sym && al.sym->name) - symname = al.sym->name; - else - symname = ""; - - printf(" %s", symname); + printf(" "); + symbol__fprintf_symname(al.sym, stdout); } if (print_dso) { - if (al.map && al.map->dso && al.map->dso->name) - dsoname = al.map->dso->name; - else - dsoname = ""; - - printf(" (%s)", dsoname); + printf(" ("); + map__fprintf_dsoname(al.map, stdout); + printf(")"); } } } |