Messages in this thread Patch in this message | | | From | David Ahern <> | Subject | [PATCH] perf tool: Actually show symbol offset in stack trace when requested | Date | Sun, 28 Jul 2013 09:14:34 -0600 |
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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 ...
Signed-off-by: David Ahern <dsahern@gmail.com> --- tools/perf/util/session.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 272c9cf..38320ac 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -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); -- 1.7.10.1
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