perf/util/session.c

50 	struct decomp *decomp, *decomp_last = session->active_decomp->decomp_last;
57 	mmap_len = sizeof(struct decomp) + decomp_len;
58 	decomp = mmap(NULL, mmap_len, PROT_READ|PROT_WRITE,
60 	if (decomp == MAP_FAILED) {
65 	decomp->file_pos = file_offset;
66 	decomp->file_path = file_path;
67 	decomp->mmap_len = mmap_len;
68 	decomp->head = 0;
71 		memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem);
72 		decomp->size = decomp_last_rem;
79 				&(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem);
81 		munmap(decomp, mmap_len);
86 	decomp->size += decomp_size;
88 	if (session->active_decomp->decomp == NULL)
89 		session->active_decomp->decomp = decomp;
91 		session->active_decomp->decomp_last->next = decomp;
93 	session->active_decomp->decomp_last = decomp;
95 	pr_debug("decomp (B): %zd to %zd\n", src_size, decomp_size);
286 static void perf_decomp__release_events(struct decomp *next)
288 	struct decomp *decomp;
292 		decomp = next;
293 		if (decomp == NULL)
295 		next = decomp->next;
296 		mmap_len = decomp->mmap_len;
297 		munmap(decomp, mmap_len);
308 	perf_decomp__release_events(session->decomp_data.decomp);
2209 	struct decomp *decomp = session->active_decomp->decomp_last;
2211 	if (!decomp)
2214 	while (decomp->head < decomp->size && !session_done()) {
2215 		union perf_event *event = fetch_decomp_event(decomp->head, decomp->size, decomp->data,
2224 		    (skip = perf_session__process_event(session, event, decomp->file_pos,
2225 							decomp->file_path)) < 0) {
2227 				decomp->file_pos + decomp->head, event->header.size, event->header.type);
2234 		decomp->head += size;
2307 	perf_decomp__release_events(rd->decomp_data.decomp);