On Thu, Nov 06, 2014 at 09:58:05AM -0500, [email protected] wrote:
SNIP
> (sample_type & PERF_SAMPLE_STACK_USER))
> callchain_param.record_mode = CALLCHAIN_DWARF;
> + else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
> + callchain_param.record_mode = CALLCHAIN_LBR;
> else
> callchain_param.record_mode = CALLCHAIN_FP;
> }
> diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c
> index 0022980..72ed39b 100644
> --- a/tools/perf/util/callchain.c
> +++ b/tools/perf/util/callchain.c
> @@ -97,6 +97,14 @@ int parse_callchain_record_opt(const char *arg)
> callchain_param.dump_size = size;
> }
> #endif /* HAVE_DWARF_UNWIND_SUPPORT */
> + } else if (!strncmp(name, "lbr", sizeof("lbr"))) {
> + if (!strtok_r(NULL, ",", &saveptr)) {
> + callchain_param.record_mode = CALLCHAIN_LBR;
> + ret = 0;
> + } else
> + pr_err("callchain: No more arguments "
> + "needed for -g lbr\n");
should it be 'needed for --call-graph' option? ^^^^^^^^^^^
jirka
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