From: Kan Liang <[email protected]> perf top need it to handle overwrite fallback later.
Signed-off-by: Kan Liang <[email protected]> --- tools/perf/util/evsel.c | 5 +++++ tools/perf/util/evsel.h | 2 ++ 2 files changed, 7 insertions(+) diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 4eea3b4..1dd3700 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -1670,6 +1670,11 @@ static bool ignore_missing_thread(struct perf_evsel *evsel, return true; } +bool is_write_backward_fail(void) +{ + return perf_missing_features.write_backward; +} + int perf_evsel__open(struct perf_evsel *evsel, struct cpu_map *cpus, struct thread_map *threads) { diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 846e416..1f46728 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -448,4 +448,6 @@ int perf_event_attr__fprintf(FILE *fp, struct perf_event_attr *attr, struct perf_env *perf_evsel__env(struct perf_evsel *evsel); +bool is_write_backward_fail(void); + #endif /* __PERF_EVSEL_H */ -- 2.5.5
