1 files changed, 45 insertions, 12 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 37515da..aebba56 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -36,6 +36,7 @@ static int		show_mask = SHOW_KERNEL | SHOW_USER | SHOW_HV;
 
 static int		dump_trace = 0;
 #define dprintf(x...)	do { if (dump_trace) printf(x); } while (0)
+#define cdprintf(x...)	do { if (dump_trace) color_fprintf(stdout, color, x); } while (0)
 
 static int		verbose;
 static int		full_paths;
@@ -43,11 +44,19 @@ static int		full_paths;
 static unsigned long	page_size;
 static unsigned long	mmap_window = 32;
 
+struct ip_chain_event {
+	__u16 nr;
+	__u16 hv;
+	__u16 kernel;
+	__u16 user;
+	__u64 ips[];
+};
+
 struct ip_event {
 	struct perf_event_header header;
 	__u64 ip;
 	__u32 pid, tid;
-	__u64 period;
+	unsigned char __more_data[];
 };
 
 struct mmap_event {
@@ -944,9 +953,13 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
 	__u64 ip = event->ip.ip;
 	__u64 period = 1;
 	struct map *map = NULL;
+	void *more_data = event->ip.__more_data;
+	struct ip_chain_event *chain;
 
-	if (event->header.type & PERF_SAMPLE_PERIOD)
-		period = event->ip.period;
+	if (event->header.type & PERF_SAMPLE_PERIOD) {
+		period = *(__u64 *)more_data;
+		more_data += sizeof(__u64);
+	}
 
 	dprintf("%p [%p]: PERF_EVENT (IP, %d): %d: %p period: %Ld\n",
 		(void *)(offset + head),
@@ -956,6 +969,22 @@ process_overflow_event(event_t *event, unsigned long offset, unsigned long head)
 		(void *)(long)ip,
 		(long long)period);
 
+	if (event->header.type & PERF_SAMPLE_CALLCHAIN) {
+		int i;
+
+		chain = (void *)more_data;
+
+		if (dump_trace) {
+			dprintf("... chain: u:%d, k:%d, nr:%d\n",
+				chain->user,
+				chain->kernel,
+				chain->nr);
+
+			for (i = 0; i < chain->nr; i++)
+				dprintf("..... %2d: %p\n", i, (void *)chain->ips[i]);
+		}
+	}
+
 	dprintf(" ... thread: %s:%d\n", thread->comm, thread->pid);
 
 	if (thread == NULL) {
@@ -1098,30 +1127,34 @@ process_period_event(event_t *event, unsigned long offset, unsigned long head)
 static void trace_event(event_t *event)
 {
 	unsigned char *raw_event = (void *)event;
+	char *color = PERF_COLOR_BLUE;
 	int i, j;
 
 	if (!dump_trace)
 		return;
 
-	dprintf(".\n. ... raw event: size %d bytes\n", event->header.size);
+	dprintf(".");
+	cdprintf("\n. ... raw event: size %d bytes\n", event->header.size);
 
 	for (i = 0; i < event->header.size; i++) {
-		if ((i & 15) == 0)
-			dprintf(".  %04x: ", i);
+		if ((i & 15) == 0) {
+			dprintf(".");
+			cdprintf("  %04x: ", i);
+		}
 
-		dprintf(" %02x", raw_event[i]);
+		cdprintf(" %02x", raw_event[i]);
 
 		if (((i & 15) == 15) || i == event->header.size-1) {
-			dprintf("  ");
+			cdprintf("  ");
 			for (j = 0; j < 15-(i & 15); j++)
-				dprintf("   ");
+				cdprintf("   ");
 			for (j = 0; j < (i & 15); j++) {
 				if (isprint(raw_event[i-15+j]))
-					dprintf("%c", raw_event[i-15+j]);
+					cdprintf("%c", raw_event[i-15+j]);
 				else
-					dprintf(".");
+					cdprintf(".");
 			}
-			dprintf("\n");
+			cdprintf("\n");
 		}
 	}
 	dprintf(".\n");