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Unified Diff: base/metrics/histogram_base.cc

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 11 months ago
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Index: base/metrics/histogram_base.cc
diff --git a/base/metrics/histogram_base.cc b/base/metrics/histogram_base.cc
deleted file mode 100644
index 6b3f69c2c047a63198d6cf69e94ec6e29336e8b7..0000000000000000000000000000000000000000
--- a/base/metrics/histogram_base.cc
+++ /dev/null
@@ -1,162 +0,0 @@
-// Copyright (c) 2012 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.
-
-#include "base/metrics/histogram_base.h"
-
-#include <climits>
-
-#include "base/json/json_string_value_serializer.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/metrics/histogram.h"
-#include "base/metrics/histogram_samples.h"
-#include "base/metrics/sparse_histogram.h"
-#include "base/metrics/statistics_recorder.h"
-#include "base/pickle.h"
-#include "base/process/process_handle.h"
-#include "base/strings/stringprintf.h"
-#include "base/values.h"
-
-namespace base {
-
-std::string HistogramTypeToString(HistogramType type) {
- switch (type) {
- case HISTOGRAM:
- return "HISTOGRAM";
- case LINEAR_HISTOGRAM:
- return "LINEAR_HISTOGRAM";
- case BOOLEAN_HISTOGRAM:
- return "BOOLEAN_HISTOGRAM";
- case CUSTOM_HISTOGRAM:
- return "CUSTOM_HISTOGRAM";
- case SPARSE_HISTOGRAM:
- return "SPARSE_HISTOGRAM";
- default:
- NOTREACHED();
- }
- return "UNKNOWN";
-}
-
-HistogramBase* DeserializeHistogramInfo(PickleIterator* iter) {
- int type;
- if (!iter->ReadInt(&type))
- return NULL;
-
- switch (type) {
- case HISTOGRAM:
- return Histogram::DeserializeInfoImpl(iter);
- case LINEAR_HISTOGRAM:
- return LinearHistogram::DeserializeInfoImpl(iter);
- case BOOLEAN_HISTOGRAM:
- return BooleanHistogram::DeserializeInfoImpl(iter);
- case CUSTOM_HISTOGRAM:
- return CustomHistogram::DeserializeInfoImpl(iter);
- case SPARSE_HISTOGRAM:
- return SparseHistogram::DeserializeInfoImpl(iter);
- default:
- return NULL;
- }
-}
-
-const HistogramBase::Sample HistogramBase::kSampleType_MAX = INT_MAX;
-
-HistogramBase::HistogramBase(const std::string& name)
- : histogram_name_(name),
- flags_(kNoFlags) {}
-
-HistogramBase::~HistogramBase() {}
-
-void HistogramBase::CheckName(const StringPiece& name) const {
- DCHECK_EQ(histogram_name(), name);
-}
-
-void HistogramBase::SetFlags(int32 flags) {
- flags_ |= flags;
-}
-
-void HistogramBase::ClearFlags(int32 flags) {
- flags_ &= ~flags;
-}
-
-void HistogramBase::AddTime(const TimeDelta& time) {
- Add(static_cast<Sample>(time.InMilliseconds()));
-}
-
-void HistogramBase::AddBoolean(bool value) {
- Add(value ? 1 : 0);
-}
-
-bool HistogramBase::SerializeInfo(Pickle* pickle) const {
- if (!pickle->WriteInt(GetHistogramType()))
- return false;
- return SerializeInfoImpl(pickle);
-}
-
-int HistogramBase::FindCorruption(const HistogramSamples& samples) const {
- // Not supported by default.
- return NO_INCONSISTENCIES;
-}
-
-void HistogramBase::WriteJSON(std::string* output) const {
- Count count;
- int64 sum;
- scoped_ptr<ListValue> buckets(new ListValue());
- GetCountAndBucketData(&count, &sum, buckets.get());
- scoped_ptr<DictionaryValue> parameters(new DictionaryValue());
- GetParameters(parameters.get());
-
- JSONStringValueSerializer serializer(output);
- DictionaryValue root;
- root.SetString("name", histogram_name());
- root.SetInteger("count", count);
- root.SetDouble("sum", static_cast<double>(sum));
- root.SetInteger("flags", flags());
- root.Set("params", parameters.Pass());
- root.Set("buckets", buckets.Pass());
- root.SetInteger("pid", GetCurrentProcId());
- serializer.Serialize(root);
-}
-
-void HistogramBase::FindAndRunCallback(HistogramBase::Sample sample) const {
- if ((flags_ & kCallbackExists) == 0)
- return;
-
- StatisticsRecorder::OnSampleCallback cb =
- StatisticsRecorder::FindCallback(histogram_name());
- if (!cb.is_null())
- cb.Run(sample);
-}
-
-void HistogramBase::WriteAsciiBucketGraph(double current_size,
- double max_size,
- std::string* output) const {
- const int k_line_length = 72; // Maximal horizontal width of graph.
- int x_count = static_cast<int>(k_line_length * (current_size / max_size)
- + 0.5);
- int x_remainder = k_line_length - x_count;
-
- while (0 < x_count--)
- output->append("-");
- output->append("O");
- while (0 < x_remainder--)
- output->append(" ");
-}
-
-const std::string HistogramBase::GetSimpleAsciiBucketRange(
- Sample sample) const {
- std::string result;
- if (kHexRangePrintingFlag & flags())
- StringAppendF(&result, "%#x", sample);
- else
- StringAppendF(&result, "%d", sample);
- return result;
-}
-
-void HistogramBase::WriteAsciiBucketValue(Count current,
- double scaled_sum,
- std::string* output) const {
- StringAppendF(output, " (%d = %3.1f%%)", current, current/scaled_sum);
-}
-
-} // namespace base
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