perf script: Do not print dangling '=>' for BTS

When using:

	perf record -e branches:u -c1 usleep 1
	perf script -f ip

lines are displayed like:

	ffffffff813b23d5 =>

Change so that the dangling '=>' does not appear.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1406035081-14301-8-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter 2014-07-22 16:17:16 +03:00 committed by Arnaldo Carvalho de Melo
parent 8066be5fe7
commit 578bea4005

View file

@ -446,13 +446,13 @@ static void print_sample_bts(union perf_event *event,
PERF_MAX_STACK_DEPTH);
}
printf(" => ");
/* print branch_to information */
if (PRINT_FIELD(ADDR) ||
((evsel->attr.sample_type & PERF_SAMPLE_ADDR) &&
!output[attr->type].user_set))
!output[attr->type].user_set)) {
printf(" => ");
print_sample_addr(event, sample, al->machine, thread, attr);
}
if (print_srcline_last)
map__fprintf_srcline(al->map, al->addr, "\n ", stdout);