for (i = 0; i < evlist->nr_mmaps; i++) {
union perf_event *event;
- perf_evlist__mmap_read_catchup(evlist, i);
- while ((event = perf_evlist__mmap_read_backward(evlist, i)) != NULL) {
+ perf_mmap__read_catchup(&evlist->backward_mmap[i]);
+ while ((event = perf_mmap__read_backward(&evlist->backward_mmap[i])) != NULL) {
const u32 type = event->header.type;
switch (type) {
err = perf_evlist__mmap(evlist, mmap_pages, true);
if (err < 0) {
pr_debug("perf_evlist__mmap: %s\n",
- strerror_r(errno, sbuf, sizeof(sbuf)));
+ str_error_r(errno, sbuf, sizeof(sbuf)));
return TEST_FAIL;
}
}
bzero(&parse_error, sizeof(parse_error));
- err = parse_events(evlist, "syscalls:sys_enter_prctl", &parse_error);
+ /*
+ * Set backward bit, ring buffer should be writing from end. Record
+ * it in aux evlist
+ */
+ err = parse_events(evlist, "syscalls:sys_enter_prctl/overwrite/", &parse_error);
if (err) {
pr_debug("Failed to parse tracepoint event, try use root\n");
ret = TEST_SKIP;
perf_evlist__config(evlist, &opts, NULL);
- /* Set backward bit, ring buffer should be writing from end */
- evlist__for_each_entry(evlist, evsel)
- evsel->attr.write_backward = 1;
-
err = perf_evlist__open(evlist);
if (err < 0) {
pr_debug("perf_evlist__open: %s\n",
- strerror_r(errno, sbuf, sizeof(sbuf)));
+ str_error_r(errno, sbuf, sizeof(sbuf)));
goto out_delete_evlist;
}