diff options
Diffstat (limited to 'tools/perf/util/callchain.c')
| -rw-r--r-- | tools/perf/util/callchain.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.c b/tools/perf/util/callchain.c index 082505d08d72..32ef7bdca1cf 100644 --- a/tools/perf/util/callchain.c +++ b/tools/perf/util/callchain.c @@ -37,6 +37,15 @@ struct callchain_param callchain_param = { CALLCHAIN_PARAM_DEFAULT }; +/* + * Are there any events usind DWARF callchains? + * + * I.e. + * + * -e cycles/call-graph=dwarf/ + */ +bool dwarf_callchain_users; + struct callchain_param callchain_param_default = { CALLCHAIN_PARAM_DEFAULT }; @@ -265,6 +274,7 @@ int parse_callchain_record(const char *arg, struct callchain_param *param) ret = 0; param->record_mode = CALLCHAIN_DWARF; param->dump_size = default_stack_dump_size; + dwarf_callchain_users = true; tok = strtok_r(NULL, ",", &saveptr); if (tok) { |