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perf buildid-cache: Add --update option

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When adding vmlinux file to build-id cache, it'd be fail since kallsyms
dso with a same build-id was already added by perf record.

So one needs to remove the kallsyms first to add vmlinux into the cache.
Add --update option for doing it at once.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1360227734-375-5-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim
2013-02-07 18:02:11 +09:00
committed by Arnaldo Carvalho de Melo
parent a3d4fd7a2d
commit eeb4984542
2 changed files with 53 additions and 1 deletions
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4
tools/perf/Documentation/perf-buildid-cache.txt
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@@ -27,6 +27,10 @@ OPTIONS
-M::
--missing=::
List missing build ids in the cache for the specified file.
-u::
--update::
Update specified file of the cache. It can be used to update kallsyms
kernel dso to vmlinux in order to support annotation.
-v::
--verbose::
Be more verbose.