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authorFrederic Weisbecker <fweisbec@gmail.com>2010-08-22 22:05:22 +0400
committerFrederic Weisbecker <fweisbec@gmail.com>2010-08-22 22:43:17 +0400
commitd2009c5130b627d3efccae8ed36cd43450c8486d (patch)
tree22afece12b12600d9132ab76f8fe74425548351d /tools/perf/util/sort.h
parentf4e7ac0a233a4dc9b51345546ab69c64bb43e2c1 (diff)
downloadlinux-d2009c5130b627d3efccae8ed36cd43450c8486d.tar.xz
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>
Diffstat (limited to 'tools/perf/util/sort.h')
-rw-r--r--tools/perf/util/sort.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h
index 46e531d09e8b..0b91053a7d11 100644
--- a/tools/perf/util/sort.h
+++ b/tools/perf/util/sort.h
@@ -70,7 +70,7 @@ struct hist_entry {
struct hist_entry *pair;
struct rb_root sorted_chain;
};
- struct callchain_node callchain[0];
+ struct callchain_root callchain[0];
};
enum sort_type {