On 03/09/13 00:37, David Ahern wrote:
> Arnaldo/Adrian:
>
> Latest acme core tree fails to parse an existing data file:
>
> $ perf trace -i perf.data
> 0x16b8 [0x40]: failed to process type: 1
> Failed to process events, error -22
I can't reproduce this. The following works:
$ perf --version
perf version 3.9.10-100.fc17.x86_64
$ sudo perf record -e raw_syscalls:* ls
...
$ tools/perf/perf --version
perf version 3.11.rc4.g31cd38
$ sudo tools/perf/perf script
...
$ sudo tools/perf/perf trace -i perf.data
...
>
> git bisect traced it to:
> $ git bisect bad
> 75562573bab35b129cfd342fc2bcf89da84a6644 is the first bad commit
> commit 75562573bab35b129cfd342fc2bcf89da84a6644
> Author: Adrian Hunter <[email protected]>
> Date: Tue Aug 27 11:23:09 2013 +0300
>
> perf tools: Add support for PERF_SAMPLE_IDENTIFIER
>
> Enable parsing of samples with sample format bit PERF_SAMPLE_IDENTIFIER.
> In addition, if the kernel supports it, prefer it to selecting
> PERF_SAMPLE_ID thereby allowing non-matching sample types.
>
> Signed-off-by: Adrian Hunter <[email protected]>
> Cc: David Ahern <[email protected]>
> Cc: Frederic Weisbecker <[email protected]>
> Cc: Ingo Molnar <[email protected]>
> Cc: Jiri Olsa <[email protected]>
> Cc: Mike Galbraith <[email protected]>
> Cc: Namhyung Kim <[email protected]>
> Cc: Paul Mackerras <[email protected]>
> Cc: Peter Zijlstra <[email protected]>
> Cc: Stephane Eranian <[email protected]>
> Link:
> http://lkml.kernel.org/r/[email protected]
>
> Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>
>
> :040000 040000 7df758341904d77c391b90ab6b6bac97324d144a
> 93839bad8ab2e6d88d3037f3dc8fd721be5e8870 M tools
>
>
> If I revert the patch (and handle the missing __perf_evsel__sample_size in
> the tests code to get it to compile) it works -- file is parsed correctly.
>
> David
>
>
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