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perf auxtrace: Add option to synthesize branch stack for regular events

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There is an existing option to synthesize branch stacks for synthesized
events. Add a new option to synthesize branch stacks for regular events.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: http://lore.kernel.org/lkml/20200429150751.12570-5-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Adrian Hunter
2020-04-29 18:07:46 +03:00
committed by Arnaldo Carvalho de Melo
parent cf888e08a0
commit ec90e42ce5
6 changed files with 15 additions and 5 deletions
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6
tools/perf/util/auxtrace.c
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@@ -1464,8 +1464,12 @@ int itrace_parse_synth_opts(const struct option *opt, const char *str,
synth_opts->callchain_sz = val;
}
break;
case 'L':
case 'l':
synth_opts->last_branch = true;
if (p[-1] == 'L')
synth_opts->add_last_branch = true;
else
synth_opts->last_branch = true;
synth_opts->last_branch_sz =
PERF_ITRACE_DEFAULT_LAST_BRANCH_SZ;
while (*p == ' ' || *p == ',')