1 /* 2 * build-id.c 3 * 4 * build-id support 5 * 6 * Copyright (C) 2009, 2010 Red Hat Inc. 7 * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com> 8 */ 9 #include "build-id.h" 10 #include "event.h" 11 #include "symbol.h" 12 #include <linux/kernel.h> 13 14 static int build_id__mark_dso_hit(event_t *event, struct perf_session *session) 15 { 16 struct addr_location al; 17 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; 18 struct thread *thread = perf_session__findnew(session, event->ip.pid); 19 20 if (thread == NULL) { 21 pr_err("problem processing %d event, skipping it.\n", 22 event->header.type); 23 return -1; 24 } 25 26 thread__find_addr_map(thread, session, cpumode, MAP__FUNCTION, 27 event->ip.pid, event->ip.ip, &al); 28 29 if (al.map != NULL) 30 al.map->dso->hit = 1; 31 32 return 0; 33 } 34 35 struct perf_event_ops build_id__mark_dso_hit_ops = { 36 .sample = build_id__mark_dso_hit, 37 .mmap = event__process_mmap, 38 .fork = event__process_task, 39 }; 40