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authorFrederic Weisbecker <fweisbec@gmail.com>2010-08-22 20:05:22 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-08-22 20:43:17 +0200
commitd2009c5130b627d3efccae8ed36cd43450c8486d (patch)
tree22afece12b12600d9132ab76f8fe74425548351d /scripts/package
parentf4e7ac0a233a4dc9b51345546ab69c64bb43e2c1 (diff)
perf: Keep track of the max depth of a callchain
In order to implement callchains collapsing, we need to keep track of the maximum depth in a histogram tree of callchains. This way we'll avoid allocating an arbitrary temporary buffer size on callchain merge time. Signed-off-by: Frederic Weisbecker <fweisbec@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: Paul Mackerras <paulus@samba.org> Cc: Christoph Hellwig <hch@infradead.org>
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