6 * Copyright (C) 2009, 2010 Red Hat Inc.
7 * Copyright (C) 2009, 2010 Arnaldo Carvalho de Melo <acme@redhat.com>
14 #include <linux/kernel.h>
18 static int build_id__mark_dso_hit(struct perf_event_ops *ops __used,
19 union perf_event *event,
20 struct perf_sample *sample __used,
21 struct perf_evsel *evsel __used,
22 struct machine *machine)
24 struct addr_location al;
25 u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;
26 struct thread *thread = machine__findnew_thread(machine, event->ip.pid);
29 pr_err("problem processing %d event, skipping it.\n",
34 thread__find_addr_map(thread, machine, cpumode, MAP__FUNCTION,
43 static int perf_event__exit_del_thread(struct perf_event_ops *ops __used,
44 union perf_event *event,
45 struct perf_sample *sample __used,
46 struct machine *machine)
48 struct thread *thread = machine__findnew_thread(machine, event->fork.tid);
50 dump_printf("(%d:%d):(%d:%d)\n", event->fork.pid, event->fork.tid,
51 event->fork.ppid, event->fork.ptid);
54 rb_erase(&thread->rb_node, &machine->threads);
55 machine->last_match = NULL;
56 thread__delete(thread);
62 struct perf_event_ops build_id__mark_dso_hit_ops = {
63 .sample = build_id__mark_dso_hit,
64 .mmap = perf_event__process_mmap,
65 .fork = perf_event__process_task,
66 .exit = perf_event__exit_del_thread,
69 char *dso__build_id_filename(struct dso *self, char *bf, size_t size)
71 char build_id_hex[BUILD_ID_SIZE * 2 + 1];
73 if (!self->has_build_id)
76 build_id__sprintf(self->build_id, sizeof(self->build_id), build_id_hex);
78 if (asprintf(&bf, "%s/.build-id/%.2s/%s", buildid_dir,
79 build_id_hex, build_id_hex + 2) < 0)
82 snprintf(bf, size, "%s/.build-id/%.2s/%s", buildid_dir,
83 build_id_hex, build_id_hex + 2);