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| author | Ingo Molnar <mingo@elte.hu> | 2009-06-14 14:44:07 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-06-14 14:45:12 +0200 |
| commit | 8465b05046652cfde3d47692cab2e8ba962f140f (patch) | |
| tree | 858be3849302875120b805fd43e5a25ddd7823a0 /tools | |
| parent | c17c2db1f3cea41c3543025905d3582c6937dd95 (diff) | |
| download | linux-3.10-8465b05046652cfde3d47692cab2e8ba962f140f.tar.gz linux-3.10-8465b05046652cfde3d47692cab2e8ba962f140f.tar.bz2 linux-3.10-8465b05046652cfde3d47692cab2e8ba962f140f.zip | |
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.c | 36 |
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); |