perf auxtrace: Allow buffers to be mapped read / write

To support in-place update, allow buffers to be mapped read / write.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Link: https://lore.kernel.org/r/20210430070309.17624-7-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 5 insertions, 1 deletions

diff --git a/tools/perf/util/auxtrace.h b/tools/perf/util/auxtrace.h
index 9ac2ac1bd793..472c0973b1f1 100644
--- a/tools/perf/util/auxtrace.h
+++ b/tools/perf/util/auxtrace.h
@@ -533,7 +533,11 @@ int auxtrace_queue_data(struct perf_session *session, bool samples,
 			bool events);
 struct auxtrace_buffer *auxtrace_buffer__next(struct auxtrace_queue *queue,
 					      struct auxtrace_buffer *buffer);
-void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd);
+void *auxtrace_buffer__get_data_rw(struct auxtrace_buffer *buffer, int fd, bool rw);
+static inline void *auxtrace_buffer__get_data(struct auxtrace_buffer *buffer, int fd)
+{
+	return auxtrace_buffer__get_data_rw(buffer, fd, false);
+}
 void auxtrace_buffer__put_data(struct auxtrace_buffer *buffer);
 void auxtrace_buffer__drop_data(struct auxtrace_buffer *buffer);
 void auxtrace_buffer__free(struct auxtrace_buffer *buffer);