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perf hists: Add a couple of hists stat helper functions

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Add hists__{reset,inc}_[filter_]stats() functions to cleanup accesses
to hist stats (for output).  Note that number of samples in the stat
is not handled here since it belongs to the input stage.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: http://lkml.kernel.org/r/1398327843-31845-5-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim
2014-04-24 16:37:26 +09:00
committed by Jiri Olsa
parent ae993efc9c
commit 9283ba9bd7
3 changed files with 40 additions and 25 deletions
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5
tools/perf/builtin-diff.c
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@@ -573,10 +573,7 @@ static void hists__compute_resort(struct hists *hists)
hists->entries = RB_ROOT;
next = rb_first(root);
hists->nr_entries = 0;
hists->nr_non_filtered_entries = 0;
hists->stats.total_period = 0;
hists->stats.total_non_filtered_period = 0;
hists__reset_stats(hists);
hists__reset_col_len(hists);
while (next != NULL) {