diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/perf/builtin-record.c | 12 | ||||
-rw-r--r-- | tools/perf/util/synthetic-events.c | 7 |
2 files changed, 10 insertions, 9 deletions
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 3959a1b86afb..00c2a6cdf1be 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -1834,13 +1834,11 @@ static int record__synthesize(struct record *rec, bool tail) goto out; /* Synthesize id_index before auxtrace_info */ - if (rec->opts.auxtrace_sample_mode || rec->opts.full_auxtrace) { - err = perf_event__synthesize_id_index(tool, - process_synthesized_event, - session->evlist, machine); - if (err) - goto out; - } + err = perf_event__synthesize_id_index(tool, + process_synthesized_event, + session->evlist, machine); + if (err) + goto out; if (rec->opts.full_auxtrace) { err = perf_event__synthesize_auxtrace_info(rec->itr, tool, diff --git a/tools/perf/util/synthetic-events.c b/tools/perf/util/synthetic-events.c index 27acdc5e5723..d75074486a55 100644 --- a/tools/perf/util/synthetic-events.c +++ b/tools/perf/util/synthetic-events.c @@ -1719,14 +1719,17 @@ int perf_event__synthesize_id_index(struct perf_tool *tool, perf_event__handler_ size_t nr = 0, i = 0, sz, max_nr, n; int err; - pr_debug2("Synthesizing id index\n"); - max_nr = (UINT16_MAX - sizeof(struct perf_record_id_index)) / sizeof(struct id_index_entry); evlist__for_each_entry(evlist, evsel) nr += evsel->core.ids; + if (!nr) + return 0; + + pr_debug2("Synthesizing id index\n"); + n = nr > max_nr ? max_nr : nr; sz = sizeof(struct perf_record_id_index) + n * sizeof(struct id_index_entry); ev = zalloc(sz); |