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Date: Thu, 18 Jul 2013 16:49:42 -0300 From: Arnaldo Carvalho de Melo <acme@...radead.org> To: Ingo Molnar <mingo@...nel.org> Cc: linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...hat.com>, Corey Ashford <cjashfor@...ux.vnet.ibm.com>, Frederic Weisbecker <fweisbec@...il.com>, Namhyung Kim <namhyung@...nel.org>, Paul Mackerras <paulus@...ba.org>, Peter Zijlstra <a.p.zijlstra@...llo.nl>, Arnaldo Carvalho de Melo <acme@...hat.com> Subject: [PATCH 55/76] perf hists: Marking dummy hists entries From: Jiri Olsa <jolsa@...hat.com> It does not make sense to make some computation (ratio, wdiff), when the hist_entry is 'dummy' - added via hists__link. Adding dummy field to struct hist_entry which indicates that it was added by hists__link and avoiding some of the processing for such entries. Signed-off-by: Jiri Olsa <jolsa@...hat.com> Reviewed-by: Namhyung Kim <namhyung@...nel.org> Cc: Corey Ashford <cjashfor@...ux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@...il.com> Cc: Namhyung Kim <namhyung@...nel.org> Cc: Paul Mackerras <paulus@...ba.org> Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl> Link: http://lkml.kernel.org/n/tip-g8bxml0n0pnqsrpyd98p0ird@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com> --- tools/perf/ui/hist.c | 21 ++++++++++++++------- tools/perf/util/hist.c | 1 + tools/perf/util/sort.h | 3 +++ 3 files changed, 18 insertions(+), 7 deletions(-) diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c index 02313a9..a359b75 100644 --- a/tools/perf/ui/hist.c +++ b/tools/perf/ui/hist.c @@ -187,8 +187,11 @@ static int hpp__color_baseline(struct perf_hpp_fmt *fmt __maybe_unused, { double percent = baseline_percent(he); - return percent_color_snprintf(hpp->buf, hpp->size, " %6.2f%%", - percent); + if (!he->dummy) + return percent_color_snprintf(hpp->buf, hpp->size, + " %6.2f%%", percent); + else + return scnprintf(hpp->buf, hpp->size, " "); } static int hpp__entry_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, @@ -197,7 +200,10 @@ static int hpp__entry_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, double percent = baseline_percent(he); const char *fmt = symbol_conf.field_sep ? "%.2f" : " %6.2f%%"; - return scnprintf(hpp->buf, hpp->size, fmt, percent); + if (!he->dummy) + return scnprintf(hpp->buf, hpp->size, fmt, percent); + else + return scnprintf(hpp->buf, hpp->size, " "); } static int hpp__header_period_baseline(struct perf_hpp_fmt *_fmt __maybe_unused, @@ -251,8 +257,7 @@ static int hpp__entry_delta(struct perf_hpp_fmt *_fmt __maybe_unused, diff = he->diff.period_ratio_delta; else diff = perf_diff__compute_delta(he, pair); - } else - diff = perf_diff__period_percent(he, he->stat.period); + } if (fabs(diff) >= 0.01) scnprintf(buf, sizeof(buf), "%+4.2F%%", diff); @@ -282,7 +287,8 @@ static int hpp__entry_ratio(struct perf_hpp_fmt *_fmt __maybe_unused, char buf[32] = " "; double ratio = 0.0; - if (pair) { + /* No point for ratio number if we are dummy.. */ + if (!he->dummy && pair) { if (he->diff.computed) ratio = he->diff.period_ratio; else @@ -317,7 +323,8 @@ static int hpp__entry_wdiff(struct perf_hpp_fmt *_fmt __maybe_unused, char buf[32] = " "; s64 wdiff = 0; - if (pair) { + /* No point for wdiff number if we are dummy.. */ + if (!he->dummy && pair) { if (he->diff.computed) wdiff = he->diff.wdiff; else diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index b11a6cf..a9dd1b9 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -912,6 +912,7 @@ static struct hist_entry *hists__add_dummy_entry(struct hists *hists, rb_link_node(&he->rb_node_in, parent, p); rb_insert_color(&he->rb_node_in, root); hists__inc_nr_entries(hists, he); + he->dummy = true; } out: return he; diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index a4a6d0b..586022d 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -89,6 +89,9 @@ struct hist_entry { struct hist_entry_diff diff; + /* We are added by hists__add_dummy_entry. */ + bool dummy; + /* XXX These two should move to some tree widget lib */ u16 row_offset; u16 nr_rows; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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