Thanks for your help!
the following is the output after applied the patch:
$ ../tools/ll_prof.py --disasm-top=10
V8 log: v8.log, v8.log.ll (no snapshot)
Perf trace file: perf.data
Generated code architecture: ia32
/lib/modules/2.6.38-8-generic/kernel/sound/pci/hda/snd-hda-
intel.koltek 2f 6c 69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38
2d 38 2d 67 65 6e 65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64
2f 70 63 69 2f 68 64 61 2f 73 6e 64 2d 68 64 61 2d 69 6e 74 65 6c 2e
6b 6f 00 6c 74 65 6b
/lib/modules/2.6.38-8-generic/kernel/sound/pci/hda/snd-hda-
codec.koltek 2f 6c 69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38
2d 38 2d 67 65 6e 65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64
2f 70 63 69 2f 68 64 61 2f 73 6e 64 2d 68 64 61 2d 63 6f 64 65 63 2e
6b 6f 00 6c 74 65 6b
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd-hwdep.kodec 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f
73 6e 64 2d 68 77 64 65 70 2e 6b 6f 00 64 65 63
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd-pcm.koodec 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f
73 6e 64 2d 70 63 6d 2e 6b 6f 00 6f 00 64 65 63
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd-rawmidi.koi 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f
73 6e 64 2d 72 61 77 6d 69 64 69 2e 6b 6f 00 69
/lib/modules/2.6.38-8-generic/kernel/sound/core/seq/snd-seq.koi 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f
73 65 71 2f 73 6e 64 2d 73 65 71 2e 6b 6f 00 69
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd-timer.kohel 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f
73 6e 64 2d 74 69 6d 65 72 2e 6b 6f 00 68 65 6c
/lib/modules/2.6.38-8-generic/kernel/drivers/gpu/drm/drm.kodevi 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 64 72 69 76 65 72 73 2f 67 70 75
2f 64 72 6d 2f 64 72 6d 2e 6b 6f 00 64 65 76 69
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd.kom 2f 6c 69 62 2f
6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e 65 72 69
63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72 65 2f 73 6e 64
2e 6b 6f 00 6d
/lib/modules/2.6.38-8-generic/kernel/sound/core/snd-page-alloc.ko.ko
2f 6c 69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67
65 6e 65 72 69 63 2f 6b 65 72 6e 65 6c 2f 73 6f 75 6e 64 2f 63 6f 72
65 2f 73 6e 64 2d 70 61 67 65 2d 61 6c 6c 6f 63 2e 6b 6f 00 2e 6b 6f
/lib/modules/2.6.38-8-generic/kernel/drivers/hwmon/asus_atk0110.koko
2f 6c 69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67
65 6e 65 72 69 63 2f 6b 65 72 6e 65 6c 2f 64 72 69 76 65 72 73 2f 68
77 6d 6f 6e 2f 61 73 75 73 5f 61 74 6b 30 31 31 30 2e 6b 6f 00 6b 6f
/lib/modules/2.6.38-8-generic/kernel/drivers/char/ppdev.ko0110. 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 64 72 69 76 65 72 73 2f 63 68 61
72 2f 70 70 64 65 76 2e 6b 6f 00 30 31 31 30 2e
/lib/modules/2.6.38-8-generic/kernel/drivers/acpi/video.kot.ko 2f 6c
69 62 2f 6d 6f 64 75 6c 65 73 2f 32 2e 36 2e 33 38 2d 38 2d 67 65 6e
65 72 69 63 2f 6b 65 72 6e 65 6c 2f 64 72 69 76 65 72 73 2f 61 63 70
69 2f 76 69 64 65 6f 2e 6b 6f 00 74 2e 6b 6f
[vdso]8 5b 76 64 73 6f 5d 00 38
Traceback (most recent call last):
File "../tools/ll_prof.py", line 904, in <module>
library_repo.Load(mmap_info, code_map, options)
File "../tools/ll_prof.py", line 697, in Load
if not os.path.exists(mmap_info.filename):
File "/usr/lib/python2.7/genericpath.py", line 18, in exists
os.stat(path)
TypeError: must be encoded string without NULL bytes, not str
Tat-Wai
On 6月28日, 下午11時03分, Vitaly Repeshko <[email protected]> wrote:
> Could you please apply the patch below and provide its output to help
> me debug:
>
> --- a/tools/ll_prof.py
> +++ b/tools/ll_prof.py
> @@ -634,6 +634,8 @@ class TraceReader(object):
> # Read null-padded filename.
> filename = self.trace[offset + self.header_size +
> ctypes.sizeof(mmap_info):
> offset + header.size].rstrip(chr(0))
> + if chr(0) in filename:
> + print filename, " ".join("%02x" % ord(x) for x in filename)
> mmap_info.filename = filename
> return mmap_info
>
> On Jun 27, 6:45 am, tatwai chong <[email protected]> wrote:
>
>
>
>
>
>
>
> > 1. Profile Richards of v8 benchmark:
> > $ perf record -R -e cycles -c 10000 -f ../shell_g run.js --ll-prof
> > Richards: 8296
> > ----
> > Score (version 6): 8296
> > [ perf record: Woken up 46 times to write data ]
> > [ perf record: Captured and wrote 11.464 MB perf.data (~500863
> > samples) ]
>
> > 2. Use ll_prof.py to process collected data
> > $ ../tools/ll_prof.py --disasm-top=10
>
> > but ...
> > V8 log: v8.log, v8.log.ll (no snapshot)
> > Perf trace file: perf.data
> > Generated code architecture: ia32
>
> > Traceback (most recent call last):
> > File "../tools/ll_prof.py", line 902, in <module>
> > library_repo.Load(mmap_info, code_map, options)
> > File "../tools/ll_prof.py", line 695, in Load
> > if not os.path.exists(mmap_info.filename):
> > File "/usr/lib/python2.7/genericpath.py", line 18, in exists
> > os.stat(path)
> > TypeError: must be encoded string without NULL bytes, not str
>
> > Does anyone know what problem?
> > Thanks.
>
> > Regards,
> > Tat-Wai
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