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authorSam Liao2011-06-07 17:49:46 +0200
committerFrederic Weisbecker2011-06-30 00:24:30 +0200
commitd797fdc5c5c245fbb05f553e68cb95d962fbdd01 (patch)
treeaa28d98f61df71a2fba55e2b4b526c77aec8de0a /tools/perf/util/cache.h
parentMerge branch 'tip/perf/core-2' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff)
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perf tools: Add inverted call graph report support.
Add "caller/callee" option to support inverted butterfly report, in the inverted report (with caller option), the call graph start from the callee's ancestor. Users can use such view to catch system's performance bottleneck from a sysprof like view. Using this option with specified sort order like pid gives us high level view of call graph statistics. Also add "-G" alias for inverted call graph. Signed-off-by: Sam Liao <phyomh@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Stephane Eranian <eranian@google.com> Cc: David Ahern <dsahern@gmail.com> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'tools/perf/util/cache.h')
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