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eeb4984542
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>
40 lines
869 B
Text
40 lines
869 B
Text
perf-buildid-cache(1)
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=====================
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NAME
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----
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perf-buildid-cache - Manage build-id cache.
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SYNOPSIS
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--------
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[verse]
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'perf buildid-cache <options>'
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DESCRIPTION
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-----------
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This command manages the build-id cache. It can add and remove files to/from
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the cache. In the future it should as well purge older entries, set upper
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limits for the space used by the cache, etc.
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OPTIONS
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-------
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-a::
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--add=::
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Add specified file to the cache.
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-r::
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--remove=::
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Remove specified file from the cache.
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-M::
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--missing=::
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List missing build ids in the cache for the specified file.
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-u::
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--update::
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Update specified file of the cache. It can be used to update kallsyms
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kernel dso to vmlinux in order to support annotation.
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-v::
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--verbose::
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Be more verbose.
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SEE ALSO
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--------
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linkperf:perf-record[1], linkperf:perf-report[1], linkperf:perf-buildid-list[1]
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