diff options
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/counts.h | 1 | ||||
| -rw-r--r-- | tools/perf/util/evsel.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/tools/perf/util/counts.h b/tools/perf/util/counts.h index 34d8baaf558a..cb45a6aecf9d 100644 --- a/tools/perf/util/counts.h +++ b/tools/perf/util/counts.h @@ -12,6 +12,7 @@ struct perf_counts_values { }; u64 values[3]; }; + bool loaded; }; struct perf_counts { diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 89aecf3a35c7..3735c9e0080d 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -49,6 +49,7 @@ static struct { bool clockid_wrong; bool lbr_flags; bool write_backward; + bool group_read; } perf_missing_features; static clockid_t clockid; @@ -1321,6 +1322,7 @@ perf_evsel__set_count(struct perf_evsel *counter, int cpu, int thread, count->val = val; count->ena = ena; count->run = run; + count->loaded = true; } static int @@ -1677,6 +1679,8 @@ fallback_missing_features: if (perf_missing_features.lbr_flags) evsel->attr.branch_sample_type &= ~(PERF_SAMPLE_BRANCH_NO_FLAGS | PERF_SAMPLE_BRANCH_NO_CYCLES); + if (perf_missing_features.group_read && evsel->attr.inherit) + evsel->attr.read_format &= ~(PERF_FORMAT_GROUP|PERF_FORMAT_ID); retry_sample_id: if (perf_missing_features.sample_id_all) evsel->attr.sample_id_all = 0; @@ -1832,6 +1836,12 @@ try_fallback: perf_missing_features.lbr_flags = true; pr_debug2("switching off branch sample type no (cycles/flags)\n"); goto fallback_missing_features; + } else if (!perf_missing_features.group_read && + evsel->attr.inherit && + (evsel->attr.read_format & PERF_FORMAT_GROUP)) { + perf_missing_features.group_read = true; + pr_debug2("switching off group read\n"); + goto fallback_missing_features; } out_close: do { |