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authorbrettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-08-17 23:05:28 +0000
committerbrettw@chromium.org <brettw@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2010-08-17 23:05:28 +0000
commitf16339329dd06c7bc6fa409af73907253efad8dc (patch)
tree8303b6a935379ac9a68379f5fd896a6e84d7e5ea /base/histogram.cc
parent681d27566707595006c468b17c27f8341d176b45 (diff)
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Header cleanup in base.
This makes uses of StringPrintf and friends use the base namespace and include stringprintf.h explicitly. This also removes a bunch of unnecessary string_util includes (which exposed a few other errors like people forgetting to include <vector>. TEST=it compiles BUG=none Review URL: http://codereview.chromium.org/3119022 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56446 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'base/histogram.cc')
-rw-r--r--base/histogram.cc39
1 files changed, 22 insertions, 17 deletions
diff --git a/base/histogram.cc b/base/histogram.cc
index 896867f..add7954 100644
--- a/base/histogram.cc
+++ b/base/histogram.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2006-2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
@@ -10,12 +10,14 @@
#include "base/histogram.h"
#include <math.h>
+
+#include <algorithm>
#include <string>
#include "base/lock.h"
#include "base/logging.h"
#include "base/pickle.h"
-#include "base/string_util.h"
+#include "base/stringprintf.h"
using base::TimeDelta;
@@ -340,10 +342,10 @@ double Histogram::GetPeakBucketSize(const SampleSet& snapshot) const {
void Histogram::WriteAsciiHeader(const SampleSet& snapshot,
Count sample_count,
std::string* output) const {
- StringAppendF(output,
- "Histogram: %s recorded %d samples",
- histogram_name().c_str(),
- sample_count);
+ base::StringAppendF(output,
+ "Histogram: %s recorded %d samples",
+ histogram_name().c_str(),
+ sample_count);
if (0 == sample_count) {
DCHECK_EQ(snapshot.sum(), 0);
} else {
@@ -352,12 +354,13 @@ void Histogram::WriteAsciiHeader(const SampleSet& snapshot,
- average * average;
double standard_deviation = sqrt(variance);
- StringAppendF(output,
- ", average = %.1f, standard deviation = %.1f",
- average, standard_deviation);
+ base::StringAppendF(output,
+ ", average = %.1f, standard deviation = %.1f",
+ average, standard_deviation);
}
if (flags_ & ~kHexRangePrintingFlag )
- StringAppendF(output, " (flags = 0x%x)", flags_ & ~kHexRangePrintingFlag);
+ base::StringAppendF(output, " (flags = 0x%x)",
+ flags_ & ~kHexRangePrintingFlag);
}
void Histogram::WriteAsciiBucketContext(const int64 past,
@@ -369,22 +372,22 @@ void Histogram::WriteAsciiBucketContext(const int64 past,
WriteAsciiBucketValue(current, scaled_sum, output);
if (0 < i) {
double percentage = past / scaled_sum;
- StringAppendF(output, " {%3.1f%%}", percentage);
+ base::StringAppendF(output, " {%3.1f%%}", percentage);
}
}
const std::string Histogram::GetAsciiBucketRange(size_t i) const {
std::string result;
if (kHexRangePrintingFlag & flags_)
- StringAppendF(&result, "%#x", ranges(i));
+ base::StringAppendF(&result, "%#x", ranges(i));
else
- StringAppendF(&result, "%d", ranges(i));
+ base::StringAppendF(&result, "%d", ranges(i));
return result;
}
void Histogram::WriteAsciiBucketValue(Count current, double scaled_sum,
std::string* output) const {
- StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum);
+ base::StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum);
}
void Histogram::WriteAsciiBucketGraph(double current_size, double max_size,
@@ -853,10 +856,12 @@ void StatisticsRecorder::WriteGraph(const std::string& query,
std::string* output) {
if (!histograms_)
return;
- if (query.length())
- StringAppendF(output, "Collections of histograms for %s\n", query.c_str());
- else
+ if (query.length()) {
+ base::StringAppendF(output, "Collections of histograms for %s\n",
+ query.c_str());
+ } else {
output->append("Collections of all histograms\n");
+ }
Histograms snapshot;
GetSnapshot(query, &snapshot);