aboutsummaryrefslogtreecommitdiff
path: root/tools/perf/util/evsel.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/perf/util/evsel.c')
-rw-r--r--tools/perf/util/evsel.c15
1 files changed, 13 insertions, 2 deletions
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 8bc271141d9d..b2365a63db45 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -28,6 +28,7 @@
#include "debug.h"
#include "trace-event.h"
#include "stat.h"
+#include "util/parse-branch-options.h"
static struct {
bool sample_id_all;
@@ -708,6 +709,14 @@ static void apply_config_terms(struct perf_evsel *evsel,
case PERF_EVSEL__CONFIG_TERM_CALLGRAPH:
callgraph_buf = term->val.callgraph;
break;
+ case PERF_EVSEL__CONFIG_TERM_BRANCH:
+ if (term->val.branch && strcmp(term->val.branch, "no")) {
+ perf_evsel__set_sample_bit(evsel, BRANCH_STACK);
+ parse_branch_str(term->val.branch,
+ &attr->branch_sample_type);
+ } else
+ perf_evsel__reset_sample_bit(evsel, BRANCH_STACK);
+ break;
case PERF_EVSEL__CONFIG_TERM_STACK_USER:
dump_size = term->val.stack_user;
break;
@@ -1472,7 +1481,7 @@ retry_sample_id:
group_fd = get_group_fd(evsel, cpu, thread);
retry_open:
- pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx\n",
+ pr_debug2("sys_perf_event_open: pid %d cpu %d group_fd %d flags %#lx",
pid, cpus->map[cpu], group_fd, flags);
FD(evsel, cpu, thread) = sys_perf_event_open(&evsel->attr,
@@ -1481,11 +1490,13 @@ retry_open:
group_fd, flags);
if (FD(evsel, cpu, thread) < 0) {
err = -errno;
- pr_debug2("sys_perf_event_open failed, error %d\n",
+ pr_debug2("\nsys_perf_event_open failed, error %d\n",
err);
goto try_fallback;
}
+ pr_debug2(" = %d\n", FD(evsel, cpu, thread));
+
if (evsel->bpf_fd >= 0) {
int evt_fd = FD(evsel, cpu, thread);
int bpf_fd = evsel->bpf_fd;