perf tool: Actually show symbol offset in stack trace when requested
PATCH 1/1 perf tool: Actually show symbol offset in stack trace when requested
Symbol offset is one of the fields that can be requested in perf-script. Currently you do not get that data when requested. e.g.,
perf script -f comm,tid,pid,time,cpu,sym,symoff,ip
...
gcc 6201/6201 [006] 762250.617897:
ffffffff81090d95 update_curr
ffffffff810911b8 dequeue_entity
ffffffff81091825 dequeue_task_fair
ffffffff81087163 dequeue_task
ffffffff81087c03 deactivate_task...
With this patch you get the offset:
...
gcc 6201/6201 [006] 762250.617897:
ffffffff81090d95 update_curr+0x1c5
ffffffff810911b8 dequeue_entity+0x28
ffffffff81091825 dequeue_task_fair+0x45
ffffffff81087163 dequeue_task+0x93
ffffffff81087c03 deactivate_task+0x23...
--- tools/perf/util/session.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
tools/perf/util/session.c +6 -1
@@ -1411,8 +1411,13 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,printf ("\t%16" PRIx64, node->ip);if (print_sym) {printf (" " ); -symbol__fprintf_symname (node->sym, stdout); +if (print_symoffset) { + al.addr = node->ip; +symbol__fprintf_symname_offs (node->sym, &al, stdout); + }else +symbol__fprintf_symname (node->sym, stdout); } +if (print_dso) {printf (" (" );map__fprintf_dsoname (node->map, stdout);
Signature · 1 line
1.7.10.1
tip-bot for David Ahern
merge bot[tip:perf/core] perf evsel: Actually show symbol offset in stack trace when requested
perf evsel: Actually show symbol offset in stack trace when requested
Commit-ID: 251f426fddd9217ce6e4478653d3ee33df518030 Gitweb: http://git.kernel.org/tip/251f426fddd9217ce6e4478653d3ee33df518030 Author: David Ahern <[email protected]> AuthorDate: Sun, 28 Jul 2013 09:14:34 -0600 Committer: Arnaldo Carvalho de Melo <[email protected]> CommitDate: Wed, 7 Aug 2013 17:35:24 -0300
perf evsel: Actually show symbol offset in stack trace when requested
Symbol offset is one of the fields that can be requested in perf-script. Currently you do not get that data when requested. e.g.,
perf script -f comm,tid,pid,time,cpu,sym,symoff,ip
...
gcc 6201/6201 [006] 762250.617897:
ffffffff81090d95 update_curr
ffffffff810911b8 dequeue_entity
ffffffff81091825 dequeue_task_fair
ffffffff81087163 dequeue_task
ffffffff81087c03 deactivate_task...
With this patch you get the offset:
...
gcc 6201/6201 [006] 762250.617897:
ffffffff81090d95 update_curr+0x1c5
ffffffff810911b8 dequeue_entity+0x28
ffffffff81091825 dequeue_task_fair+0x45
ffffffff81087163 dequeue_task+0x93
ffffffff81087c03 deactivate_task+0x23...
--- tools/perf/util/session.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
tools/perf/util/session.c +6 -1
@@ -1519,8 +1519,13 @@ void perf_evsel__print_ip(struct perf_evsel *evsel, union perf_event *event,printf ("\t%16" PRIx64, node->ip);if (print_sym) {printf (" " ); -symbol__fprintf_symname (node->sym, stdout); +if (print_symoffset) { + al.addr = node->ip; +symbol__fprintf_symname_offs (node->sym, &al, stdout); + }else +symbol__fprintf_symname (node->sym, stdout); } +if (print_dso) {printf (" (" );map__fprintf_dsoname (node->map, stdout);