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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 0000000..a920436
--- /dev/null
+++ b/tools/perf/util/process_events.c
@@ -0,0 +1,64 @@
+#include "process_events.h"
+
+char *cwd;
+int cwdlen;
+
+int
+process_mmap_event(event_t *event, unsigned long offset, unsigned long head)
+{
+ struct map *map = map__new(&event->mmap, cwd, cwdlen);
+ struct thread *thread = threads__findnew(event->mmap.pid);
+
+ dump_printf("%p [%p]: PERF_RECORD_MMAP %d/%d: [%p(%p) @ %p]: %s\n",
+ (void *)(offset + head),
+ (void *)(long)(event->header.size),
+ event->mmap.pid,
+ event->mmap.tid,
+ (void *)(long)event->mmap.start,
+ (void *)(long)event->mmap.len,
+ (void *)(long)event->mmap.pgoff,
+ event->mmap.filename);
+
+ if (thread == NULL || map == NULL) {
+ dump_printf("problem processing PERF_RECORD_MMAP, skipping event.\n");
+ return 0;
+ }
+
+ thread__insert_map(thread, map);
+ total_mmap++;
+
+ return 0;
+}
+
+int
+process_task_event(event_t *event, unsigned long offset, unsigned long head)
+{
+ struct thread *thread = threads__findnew(event->fork.pid);
+ struct thread *parent = threads__findnew(event->fork.ppid);
+
+ dump_printf("%p [%p]: PERF_RECORD_%s: (%d:%d):(%d:%d)\n",
+ (void *)(offset + head),
+ (void *)(long)(event->header.size),
+ event->header.type == PERF_RECORD_FORK ? "FORK" : "EXIT",
+ event->fork.pid, event->fork.tid,
+ event->fork.ppid, event->fork.ptid);
+
+ /*
+ * A thread clone will have the same PID for both
+ * parent and child.
+ */
+ if (thread == parent)
+ return 0;
+
+ if (event->header.type == PERF_RECORD_EXIT)
+ return 0;
+
+ if (!thread || !parent || thread__fork(thread, parent)) {
+ dump_printf("problem processing PERF_RECORD_FORK, skipping event.\n");
+ return -1;
+ }
+ total_fork++;
+
+ return 0;
+}
+