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perf hists: Accumulate hist entry stat based on the callchain

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Call __hists__add_entry() for each callchain node to get an
accumulated stat for an entry.  Introduce new cumulative_iter ops to
process them properly.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Tested-by: Arun Sharma <asharma@fb.com>
Tested-by: Rodrigo Campos <rodrigo@sdfg.com.ar>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/1401335910-16832-6-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim 2012-09-11 14:13:04 +09:00 • committed by Jiri Olsa
parent a0b51af367
commit 7a13aa28aa
4 changed files with 101 additions and 1 deletions
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1
tools/perf/util/hist.h
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@ -124,6 +124,7 @@ struct hist_entry_iter {
extern const struct hist_iter_ops hist_iter_normal;
extern const struct hist_iter_ops hist_iter_branch;
extern const struct hist_iter_ops hist_iter_mem;
extern const struct hist_iter_ops hist_iter_cumulative;
struct hist_entry *__hists__add_entry(struct hists *hists,
struct addr_location *al,