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perf hists: Add support for accumulated stat of hist entry

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Maintain accumulated stat information in hist_entry->stat_acc if
symbol_conf.cumulate_callchain is set.  Fields in ->stat_acc have same
vaules initially, and will be updated as callchain is processed later.

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/1401335910-16832-4-git-send-email-namhyung@kernel.org
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
This commit is contained in:
Namhyung Kim 2012-09-11 13:15:07 +09:00 • committed by Jiri Olsa
parent 69bcb019fc
commit f8be1c8c48
3 changed files with 28 additions and 2 deletions
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tools/perf/util/symbol.h
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@ -109,6 +109,7 @@ struct symbol_conf {
show_nr_samples,
show_total_period,
use_callchain,
cumulate_callchain,
exclude_other,
show_cpu_utilization,
initialized,