perf session: Rearrange perf_session__process_events function

#define NUM_MMAPS 128

#endif

static int __perf_session__process_events(struct perf_session *session,

					  u64 data_offset, u64 data_size,

					  u64 file_size)

static int __perf_session__process_events(struct perf_session *session)

{

	struct ordered_events *oe = &session->ordered_events;

	struct perf_tool *tool = session->tool;

	int fd = perf_data__fd(session->data);

	u64 file_size = perf_data__size(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;

	int err, mmap_prot, mmap_flags, map_idx = 0;

	size_t	mmap_size;

int perf_session__process_events(struct perf_session *session)

{

	u64 size = perf_data__size(session->data);

	int err;

	if (perf_session__register_idle_thread(session) < 0)

		return -ENOMEM;

	if (!perf_data__is_pipe(session->data))

		err = __perf_session__process_events(session,

						     session->header.data_offset,

						     session->header.data_size, size);

	else

		err = __perf_session__process_pipe_events(session);

	if (perf_data__is_pipe(session->data))

		return __perf_session__process_pipe_events(session);

	return err;

	return __perf_session__process_events(session);

}

bool perf_session__has_traces(struct perf_session *session, const char *msg)