diff options
| -rw-r--r-- | tools/perf/builtin-record.c | 3 | ||||
| -rw-r--r-- | tools/perf/builtin-top.c | 3 | ||||
| -rw-r--r-- | tools/perf/util/evlist.c | 14 | ||||
| -rw-r--r-- | tools/perf/util/evlist.h | 1 |
4 files changed, 21 insertions, 0 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 9af3f21fd015..ba20bf7c011d 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -2535,6 +2535,9 @@ static int __cmd_record(struct record *rec, int argc, const char **argv) goto out_free_threads; } + if (!evlist__needs_bpf_sb_event(rec->evlist)) + opts->no_bpf_event = true; + err = record__setup_sb_evlist(rec); if (err) goto out_free_threads; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index e1115b8317a0..2c41d3aea46b 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -1822,6 +1822,9 @@ int cmd_top(int argc, const char **argv) goto out_delete_evlist; } + if (!evlist__needs_bpf_sb_event(top.evlist)) + top.record_opts.no_bpf_event = true; + #ifdef HAVE_LIBBPF_SUPPORT if (!top.record_opts.no_bpf_event) { top.sb_evlist = evlist__new(); diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index f0dd174e2deb..43adf6b3d855 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -2594,3 +2594,17 @@ bool evlist__has_bpf_output(struct evlist *evlist) return false; } + +bool evlist__needs_bpf_sb_event(struct evlist *evlist) +{ + struct evsel *evsel; + + evlist__for_each_entry(evlist, evsel) { + if (evsel__is_dummy_event(evsel)) + continue; + if (!evsel->core.attr.exclude_kernel) + return true; + } + + return false; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index adddb1db1ad2..edcbf1c10e92 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -435,5 +435,6 @@ void evlist__check_mem_load_aux(struct evlist *evlist); void evlist__warn_user_requested_cpus(struct evlist *evlist, const char *cpu_list); void evlist__uniquify_name(struct evlist *evlist); bool evlist__has_bpf_output(struct evlist *evlist); +bool evlist__needs_bpf_sb_event(struct evlist *evlist); #endif /* __PERF_EVLIST_H */ |