diff options
Diffstat (limited to 'tools/perf')
-rw-r--r-- | tools/perf/util/auxtrace.c | 4 | ||||
-rw-r--r-- | tools/perf/util/auxtrace.h | 3 |
2 files changed, 5 insertions, 2 deletions
diff --git a/tools/perf/util/auxtrace.c b/tools/perf/util/auxtrace.c index db1511359c5e..40c93d8158b5 100644 --- a/tools/perf/util/auxtrace.c +++ b/tools/perf/util/auxtrace.c @@ -1273,9 +1273,9 @@ static int __auxtrace_mmap__read(struct auxtrace_mmap *mm, } /* padding must be written by fn() e.g. record__process_auxtrace() */ - padding = size & 7; + padding = size & (PERF_AUXTRACE_RECORD_ALIGNMENT - 1); if (padding) - padding = 8 - padding; + padding = PERF_AUXTRACE_RECORD_ALIGNMENT - padding; memset(&ev, 0, sizeof(ev)); ev.auxtrace.header.type = PERF_RECORD_AUXTRACE; diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h index 71fc3bd74299..136c5f95f9bf 100644 --- a/tools/perf/util/auxtrace.h +++ b/tools/perf/util/auxtrace.h @@ -38,6 +38,9 @@ struct record_opts; struct auxtrace_info_event; struct events_stats; +/* Auxtrace records must have the same alignment as perf event records */ +#define PERF_AUXTRACE_RECORD_ALIGNMENT 8 + enum auxtrace_type { PERF_AUXTRACE_UNKNOWN, PERF_AUXTRACE_INTEL_PT, |