diff options
Diffstat (limited to '')
| -rw-r--r-- | tools/perf/util/session.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index 106b3d60881a..0dbb4f2628f3 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -2155,6 +2155,7 @@ struct reader { u64 data_size; u64 data_offset; reader_cb_t process; + bool in_place_update; }; static int @@ -2188,7 +2189,9 @@ reader__process_events(struct reader *rd, struct perf_session *session, mmap_prot = PROT_READ; mmap_flags = MAP_SHARED; - if (session->header.needs_swap) { + if (rd->in_place_update) { + mmap_prot |= PROT_WRITE; + } else if (session->header.needs_swap) { mmap_prot |= PROT_WRITE; mmap_flags = MAP_PRIVATE; } @@ -2274,6 +2277,7 @@ static int __perf_session__process_events(struct perf_session *session) .data_size = session->header.data_size, .data_offset = session->header.data_offset, .process = process_simple, + .in_place_update = session->data->in_place_update, }; struct ordered_events *oe = &session->ordered_events; struct perf_tool *tool = session->tool; |