forked from Minki/linux
568850eaad
The exported sample now contains a reference to the call_path_id that represents its callchain. While callchains themselves are nice to have, being able to associate them with samples makes them much more useful, and can allow for such things as determining how much cumulative time is spent in a particular function. This information is normally possible to get from the call return processor. However, when doing normal sampling, call/return information is not available, thus necessitating the need for associating samples directly with call paths. This commit include changes to db-export layer to make this information available for subsequent patches in this change set, but by itself, does not make any changes visible to the user. Signed-off-by: Chris Phlipot <cphlipot0@gmail.com> Acked-by: Adrian Hunter <adrian.hunter@intel.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/1461831551-12213-5-git-send-email-cphlipot0@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> |
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