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perf tools: Update documentation info about quipper 

The existing link is outdated. The most recent quipper code can be found at the
new URL.

Committer notes:

Quipper is a C++ parser that can be used to convert from a perf.data
file to and from a protobuf, a Chromium OS facility.

Signed-off-by: Simon Que <sque@chromium.org>
Acked-by: Andi Kleen <ak@linux.intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Chong Jiang <chongjiang@chromium.org>
Link: http://lkml.kernel.org/n/tip-4q1nm7jl3vovp66p5bki20pq@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Simon Que 2016-09-28 11:37:53 -07:00 committed by Arnaldo Carvalho de Melo
parent f0bbd60226
commit 2acad19500
1 changed files with 5 additions and 1 deletions
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6
tools/perf/Documentation/perf.data-file-format.txt
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@ -437,6 +437,10 @@ in pmu-tools parser. This allows to read perf.data from python and dump it.
quipper
The quipper C++ parser is available at
https://chromium.googlesource.com/chromiumos/platform/chromiumos-wide-profiling/
https://chromium.googlesource.com/chromiumos/platform2
It is under the chromiumos-wide-profiling/ subdirectory. This library can
convert a perf data file to a protobuf and vice versa.
Unfortunately this parser tends to be many versions behind and may not be able
to parse data files generated by recent perf.