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Date: Fri, 19 Jul 2013 00:52:25 -0700
From: tip-bot for Jiri Olsa <tipbot@...or.com>
To: linux-tip-commits@...r.kernel.org
Cc: acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
hpa@...or.com, mingo@...nel.org, a.p.zijlstra@...llo.nl,
namhyung@...nel.org, jolsa@...hat.com, fweisbec@...il.com,
tglx@...utronix.de, cjashfor@...ux.vnet.ibm.com
Subject: [tip:perf/core] perf diff: Making compute functions static
Commit-ID: ef358e6dcaba76d1c00dba5fc6cd4cde1d1a2f13
Gitweb: http://git.kernel.org/tip/ef358e6dcaba76d1c00dba5fc6cd4cde1d1a2f13
Author: Jiri Olsa <jolsa@...hat.com>
AuthorDate: Sun, 21 Oct 2012 23:31:51 +0200
Committer: Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 12 Jul 2013 13:54:14 -0300
perf diff: Making compute functions static
All compute functions are now local to the diff command, making them
static.
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-mpmm8l71mnlp7139voba3aak@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
tools/perf/builtin-diff.c | 30 +++++++++++++++---------------
tools/perf/util/hist.h | 7 -------
2 files changed, 15 insertions(+), 22 deletions(-)
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index cc7bf4f..f2fbf69 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -224,23 +224,23 @@ static int setup_compute(const struct option *opt, const char *str,
return -EINVAL;
}
-double perf_diff__period_percent(struct hist_entry *he, u64 period)
+static double period_percent(struct hist_entry *he, u64 period)
{
u64 total = he->hists->stats.total_period;
return (period * 100.0) / total;
}
-double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair)
+static double compute_delta(struct hist_entry *he, struct hist_entry *pair)
{
- double old_percent = perf_diff__period_percent(he, he->stat.period);
- double new_percent = perf_diff__period_percent(pair, pair->stat.period);
+ double old_percent = period_percent(he, he->stat.period);
+ double new_percent = period_percent(pair, pair->stat.period);
pair->diff.period_ratio_delta = new_percent - old_percent;
pair->diff.computed = true;
return pair->diff.period_ratio_delta;
}
-double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair)
+static double compute_ratio(struct hist_entry *he, struct hist_entry *pair)
{
double old_period = he->stat.period ?: 1;
double new_period = pair->stat.period;
@@ -250,7 +250,7 @@ double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair)
return pair->diff.period_ratio;
}
-s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair)
+static s64 compute_wdiff(struct hist_entry *he, struct hist_entry *pair)
{
u64 old_period = he->stat.period;
u64 new_period = pair->stat.period;
@@ -292,8 +292,8 @@ static int formula_wdiff(struct hist_entry *he, struct hist_entry *pair,
new_period, compute_wdiff_w2, old_period, compute_wdiff_w1);
}
-int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair,
- char *buf, size_t size)
+static int formula_fprintf(struct hist_entry *he, struct hist_entry *pair,
+ char *buf, size_t size)
{
switch (compute) {
case COMPUTE_DELTA:
@@ -421,13 +421,13 @@ static void hists__precompute(struct hists *hists)
switch (compute) {
case COMPUTE_DELTA:
- perf_diff__compute_delta(he, pair);
+ compute_delta(he, pair);
break;
case COMPUTE_RATIO:
- perf_diff__compute_ratio(he, pair);
+ compute_ratio(he, pair);
break;
case COMPUTE_WEIGHTED_DIFF:
- perf_diff__compute_wdiff(he, pair);
+ compute_wdiff(he, pair);
break;
default:
BUG_ON(1);
@@ -744,7 +744,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
if (pair->diff.computed)
diff = pair->diff.period_ratio_delta;
else
- diff = perf_diff__compute_delta(he, pair);
+ diff = compute_delta(he, pair);
if (fabs(diff) >= 0.01)
scnprintf(buf, size, "%+4.2F%%", diff);
@@ -758,7 +758,7 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
if (pair->diff.computed)
ratio = pair->diff.period_ratio;
else
- ratio = perf_diff__compute_ratio(he, pair);
+ ratio = compute_ratio(he, pair);
if (ratio > 0.0)
scnprintf(buf, size, "%14.6F", ratio);
@@ -772,14 +772,14 @@ hpp__entry_pair(struct hist_entry *he, struct hist_entry *pair,
if (pair->diff.computed)
wdiff = pair->diff.wdiff;
else
- wdiff = perf_diff__compute_wdiff(he, pair);
+ wdiff = compute_wdiff(he, pair);
if (wdiff != 0)
scnprintf(buf, size, "%14ld", wdiff);
break;
case PERF_HPP_DIFF__FORMULA:
- perf_diff__formula(he, pair, buf, size);
+ formula_fprintf(he, pair, buf, size);
break;
case PERF_HPP_DIFF__PERIOD:
diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h
index 79681f6..bfcbb11 100644
--- a/tools/perf/util/hist.h
+++ b/tools/perf/util/hist.h
@@ -242,11 +242,4 @@ int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __maybe_unused,
#endif
unsigned int hists__sort_list_width(struct hists *self);
-
-double perf_diff__compute_delta(struct hist_entry *he, struct hist_entry *pair);
-double perf_diff__compute_ratio(struct hist_entry *he, struct hist_entry *pair);
-s64 perf_diff__compute_wdiff(struct hist_entry *he, struct hist_entry *pair);
-int perf_diff__formula(struct hist_entry *he, struct hist_entry *pair,
- char *buf, size_t size);
-double perf_diff__period_percent(struct hist_entry *he, u64 period);
#endif /* __PERF_HIST_H */
--
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