perf evsel: Add has_callchain() helper to make code more compact/clear
Its common to have the (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN),
so add an evsel__has_callchain(evsel) helper.
This will actually get more uses as we check that instead of
symbol_conf.use_callchain in places where that produces the same result
but makes this decision to be more fine grained, per evsel.
Cc: Adrian Hunter <[email protected]>
Cc: David Ahern <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Namhyung Kim <[email protected]>
Cc: Wang Nan <[email protected]>
Link: https://lkml.kernel.org/n/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index cefc881..48e940e 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -517,7 +517,7 @@ static int perf_session__check_output_opt(struct perf_session *session)
evlist__for_each_entry(session->evlist, evsel) {
not_pipe = true;
- if (evsel->attr.sample_type & PERF_SAMPLE_CALLCHAIN) {
+ if (evsel__has_callchain(evsel)) {
use_callchain = true;
break;
}
@@ -532,22 +532,18 @@ static int perf_session__check_output_opt(struct perf_session *session)
*/
if (symbol_conf.use_callchain &&
!output[PERF_TYPE_TRACEPOINT].user_set) {
- struct perf_event_attr *attr;
-
j = PERF_TYPE_TRACEPOINT;
evlist__for_each_entry(session->evlist, evsel) {
if (evsel->attr.type != j)
continue;
- attr = &evsel->attr;
-
- if (attr->sample_type & PERF_SAMPLE_CALLCHAIN) {
+ if (evsel__has_callchain(evsel)) {
output[j].fields |= PERF_OUTPUT_IP;
output[j].fields |= PERF_OUTPUT_SYM;
output[j].fields |= PERF_OUTPUT_SYMOFFSET;
output[j].fields |= PERF_OUTPUT_DSO;
- set_print_ip_opts(attr);
+ set_print_ip_opts(&evsel->attr);
goto out;
}
}
