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Unified Diff: chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.h

Issue 547063003: Remove the unmaintained performance monitor. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Rebase Created 6 years, 3 months ago
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Index: chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.h
diff --git a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.h b/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.h
deleted file mode 100644
index 3dcb4a4dd44f80af3ef2f7ecf3a59b3c0cc4ac7b..0000000000000000000000000000000000000000
--- a/chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_util.h
+++ /dev/null
@@ -1,122 +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.
-
-#ifndef CHROME_BROWSER_UI_WEBUI_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UI_UTIL_H_
-#define CHROME_BROWSER_UI_WEBUI_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UI_UTIL_H_
-
-#include "chrome/browser/performance_monitor/database.h"
-#include "chrome/browser/ui/webui/performance_monitor/performance_monitor_ui_constants.h"
-
-namespace performance_monitor {
-
-typedef std::vector<Database::MetricVector> VectorOfMetricVectors;
-
-class PerformanceMonitorUtilTest;
-
-// This is an interface for the various aggregation functions. The base class
-// will handle the separation of the metrics vector into the various intervals,
-// and each derived class represents a different method of aggregation.
-class Aggregator {
- public:
- Aggregator();
- virtual ~Aggregator();
-
- // Aggregate a full metric vector into a vector of metric vectors, with each
- // metric vector representing the aggregation for an active interval. |start|
- // is the start time of the metrics to aggregate, |intervals| is the vector
- // of all intervals for which the database was active for the span to
- // aggregate, and |resolution| is the time distance between aggregated points.
- scoped_ptr<VectorOfMetricVectors> AggregateMetrics(
- MetricType metric_type,
- const Database::MetricVector* metrics,
- const base::Time& start,
- const std::vector<TimeRange>& intervals,
- const base::TimeDelta& resolution);
-
- protected:
- friend class PerformanceMonitorUtilTest;
-
- // Aggregate only a single interval, advancing the |metric| iterator to the
- // end of the active interval (or the end of the vector). |metric| points to
- // the start of the section to be aggregated, |metric_end| is the hard-limit
- // for the end of the vector (so we don't advance past it), |time_start| and
- // |time_end| represent the interval to aggregate, and |resolution| is the
- // time distance between aggregated points.
- virtual scoped_ptr<Database::MetricVector> AggregateInterval(
- MetricType metric_type,
- Database::MetricVector::const_iterator* metric,
- const Database::MetricVector::const_iterator& metric_end,
- const base::Time& time_start,
- const base::Time& time_end,
- const base::TimeDelta& resolution) = 0;
-};
-
-// Aggregation method classes.
-class NoAggregation : public Aggregator {
- private:
- virtual scoped_ptr<Database::MetricVector> AggregateInterval(
- MetricType metric_type,
- Database::MetricVector::const_iterator* metric,
- const Database::MetricVector::const_iterator& metric_end,
- const base::Time& time_start,
- const base::Time& time_end,
- const base::TimeDelta& resolution) OVERRIDE;
-};
-
-class MedianAggregation : public Aggregator {
- private:
- virtual scoped_ptr<Database::MetricVector> AggregateInterval(
- MetricType metric_type,
- Database::MetricVector::const_iterator* metric,
- const Database::MetricVector::const_iterator& metric_end,
- const base::Time& time_start,
- const base::Time& time_end,
- const base::TimeDelta& resolution) OVERRIDE;
-};
-
-class MeanAggregation : public Aggregator {
- private:
- virtual scoped_ptr<Database::MetricVector> AggregateInterval(
- MetricType metric_type,
- Database::MetricVector::const_iterator* metric,
- const Database::MetricVector::const_iterator& metric_end,
- const base::Time& time_start,
- const base::Time& time_end,
- const base::TimeDelta& resolution) OVERRIDE;
-};
-
-// Return the factor by which all metrics should be multiplied in order to be in
-// the preferred unit (e.g., memory usage is in bytes, but we display it in
-// megabytes, so we return 1/1024^2).
-double GetConversionFactor(UnitDetails from, UnitDetails to);
-
-// Metric data can be either dense or sporadic, so AggregateMetric() normalizes
-// the metric data in time. |metrics| must be sorted in increasing time.
-// AggregateMetrics() will perform the aggregation according to the |strategy|
-// provided.
-//
-// Median: Use the median of sample values from the window, ignoring
-// irregularity in sample timings.
-// Mean: Use the mean value within the window.
-// None: Return all samples from the window.
-//
-// In the methods which do aggregation, sampling windows start and end at an
-// integer multiple of |resolution| away from |start| and data points are
-// omitted if there are no points to resample. The time associated with each
-// slice is the time at the end of the slice. This aggregation is performed for
-// each interval within |intervals|.
-//
-// Returns a pointer to a vector of MetricVectors, with one MetricVector per
-// interval given, NULL if |metrics| is empty.
-scoped_ptr<std::vector<Database::MetricVector> > AggregateMetric(
- MetricType type,
- const Database::MetricVector* metrics,
- const base::Time& start,
- const std::vector<TimeRange>& intervals,
- const base::TimeDelta& resolution,
- AggregationMethod method);
-
-} // namespace performance_monitor
-
-#endif // CHROME_BROWSER_UI_WEBUI_PERFORMANCE_MONITOR_PERFORMANCE_MONITOR_UI_UTIL_H_

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