perf tools: Use common process_event functions for annotate and report

Prevent bit-rot in perf-annotate by using common functions where
possible. Here we create process_events.[ch] to hold the common
functions.

Signed-off-by: John Kacur <jkacur@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: acme@redhat.com
LKML-Reference: <1259073301-11506-3-git-send-email-jkacur@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

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 00000000000..a9204363efd
--- /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;
+}
+