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-rw-r--r--tools/perf/util/process_events.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/tools/perf/util/process_events.c b/tools/perf/util/process_events.c
new file mode 100644
index 000000000000..a9204363efd8
--- /dev/null
+++ b/tools/perf/util/process_events.c
@@ -0,0 +1,64 @@
1#include "process_events.h"
2
3char *cwd;
4int cwdlen;
5
6int
7process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
8{
9 struct map *map = map__new(&event->mmap, cwd, cwdlen);
10 struct thread *thread = threads__findnew(event->mmap.pid);
11
12 dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
13 (void *)(offset + head),
14 (void *)(long)(event->header.size),
15 event->mmap.pid,
16 event->mmap.tid,
17 (void *)(long)event->mmap.start,
18 (void *)(long)event->mmap.len,
19 (void *)(long)event->mmap.pgoff,
20 event->mmap.filename);
21
22 if (thread == NULL || map == NULL) {
23 dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n");
24 return 0;
25 }
26
27 thread__insert_map(thread, map);
28 total_mmap++;
29
30 return 0;
31}
32
33int
34process_task_event(event_t *event, unsigned long offset, unsigned long head)
35{
36 struct thread *thread = threads__findnew(event->fork.pid);
37 struct thread *parent = threads__findnew(event->fork.ppid);
38
39 dump_printf("%p [%p]: PERF_RECORD_%s: (%d:%d):(%d:%d)\n",
40 (void *)(offset + head),
41 (void *)(long)(event->header.size),
42 event->header.type == PERF_RECORD_FORK ? "FORK" : "EXIT",
43 event->fork.pid, event->fork.tid,
44 event->fork.ppid, event->fork.ptid);
45
46 /*
47 * A thread clone will have the same PID for both
48 * parent and child.
49 */
50 if (thread == parent)
51 return 0;
52
53 if (event->header.type == PERF_RECORD_EXIT)
54 return 0;
55
56 if (!thread || !parent || thread__fork(thread, parent)) {
57 dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n");
58 return -1;
59 }
60 total_fork++;
61
62 return 0;
63}
64