Adding session private reader object to encapsulate reading of the event data block. Starting with fd field inside.
Link: http://lkml.kernel.org/n/tip-glbs0xvtdcstckscvahue...@git.kernel.org Signed-off-by: Jiri Olsa <jo...@kernel.org> --- tools/perf/util/session.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index d6c1d3853f27..f5eecae982ba 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -1813,11 +1813,17 @@ fetch_mmaped_event(struct perf_session *session, #define NUM_MMAPS 128 #endif +struct reader { + int fd; +}; + static int __perf_session__process_events(struct perf_session *session) { + struct reader rd = { + .fd = perf_data__fd(session->data), + }; struct ordered_events *oe = &session->ordered_events; struct perf_tool *tool = session->tool; - int fd = perf_data__fd(session->data); u64 data_offset = session->header.data_offset; u64 data_size = session->header.data_size; u64 head, page_offset, file_offset, file_pos, size; @@ -1857,7 +1863,7 @@ static int __perf_session__process_events(struct perf_session *session) mmap_flags = MAP_PRIVATE; } remap: - buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, fd, + buf = mmap(NULL, mmap_size, mmap_prot, mmap_flags, rd.fd, file_offset); if (buf == MAP_FAILED) { pr_err("failed to mmap file\n"); -- 2.17.2
