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authorIngo Molnar <mingo@elte.hu>2009-06-14 14:44:07 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-14 14:45:12 +0200
commit8465b05046652cfde3d47692cab2e8ba962f140f (patch)
tree858be3849302875120b805fd43e5a25ddd7823a0 /tools
parentc17c2db1f3cea41c3543025905d3582c6937dd95 (diff)
downloadlinux-8465b05046652cfde3d47692cab2e8ba962f140f.tar.gz
perf report: Print out raw events in hexa
Print out events in hexa dump format, when -D is specified: 0x4868 [0x48]: event: 1 . . ... raw event: size 72 bytes . 0000: 01 00 00 00 00 00 48 00 d4 72 00 00 d4 72 00 00 ......H..r...r. . 0010: 00 00 40 f2 3e 00 00 00 00 30 01 00 00 00 00 00 ..@.>....0..... . 0020: 00 00 00 00 00 00 00 00 2f 75 73 72 2f 6c 69 62 ......../usr/li . 0030: 36 34 2f 6c 69 62 65 6c 66 2d 30 2e 31 34 31 2e 64/libelf-0.141 . 0040: 73 6f 00 00 00 00 00 00 f-0.141 . 0x4868 [0x48]: PERF_EVENT_MMAP 29396: [0x3ef2400000(0x13000) @ (nil)]: /usr/lib64/libelf-0.141.so This helps the debugging of mis-parsing of data files, and helps the addition of new sample/trace formats. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/builtin-report.c36
1 files changed, 35 insertions, 1 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 82fa93b4db9..37515da637f 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1095,9 +1095,43 @@ process_period_event(event_t *event, unsigned long offset, unsigned long head)
return 0;
}
+static void trace_event(event_t *event)
+{
+ unsigned char *raw_event = (void *)event;
+ int i, j;
+
+ if (!dump_trace)
+ return;
+
+ dprintf(".\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);
+
+ dprintf(" %02x", raw_event[i]);
+
+ if (((i & 15) == 15) || i == event->header.size-1) {
+ dprintf(" ");
+ for (j = 0; j < 15-(i & 15); j++)
+ dprintf(" ");
+ for (j = 0; j < (i & 15); j++) {
+ if (isprint(raw_event[i-15+j]))
+ dprintf("%c", raw_event[i-15+j]);
+ else
+ dprintf(".");
+ }
+ dprintf("\n");
+ }
+ }
+ dprintf(".\n");
+}
+
static int
process_event(event_t *event, unsigned long offset, unsigned long head)
{
+ trace_event(event);
+
if (event->header.misc & PERF_EVENT_MISC_OVERFLOW)
return process_overflow_event(event, offset, head);
@@ -1204,7 +1238,7 @@ more:
size = event->header.size;
- dprintf("%p [%p]: event: %d\n",
+ dprintf("\n%p [%p]: event: %d\n",
(void *)(offset + head),
(void *)(long)event->header.size,
event->header.type);