pmclog_read
int pmclog_read(void *_cookie, struct pmclog_ev *_ev);
while (pmclog_read(args->pa_logparser, &ev) == 0) {
while (pmclog_read(ps, &ev) == 0) {
while (pmclog_read(ps, &ev) == 0 && i < pmccount) {
while (pmclog_read(ps, &ev) == 0) {
while (pmclog_read(ps, &ev) == 0) {
while (pmclog_read(args.pa_logparser, &ev) == 0) {