| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "chrome/renderer/renderer_histogram_snapshots.h" | |
| 6 | |
| 7 #include <ctype.h> | |
| 8 | |
| 9 #include "base/bind.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "base/message_loop.h" | |
| 12 #include "base/metrics/histogram.h" | |
| 13 #include "chrome/common/render_messages.h" | |
| 14 #include "content/public/renderer/render_thread.h" | |
| 15 | |
| 16 // TODO(raman): Before renderer shuts down send final snapshot lists. | |
| 17 | |
| 18 using base::Histogram; | |
| 19 using base::StatisticsRecorder; | |
| 20 using content::RenderThread; | |
| 21 | |
| 22 RendererHistogramSnapshots::RendererHistogramSnapshots() | |
| 23 : ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) { | |
| 24 } | |
| 25 | |
| 26 RendererHistogramSnapshots::~RendererHistogramSnapshots() { | |
| 27 } | |
| 28 | |
| 29 // Send data quickly! | |
| 30 void RendererHistogramSnapshots::SendHistograms(int sequence_number) { | |
| 31 RenderThread::Get()->GetMessageLoop()->PostTask( | |
| 32 FROM_HERE, base::Bind(&RendererHistogramSnapshots::UploadAllHistrograms, | |
| 33 weak_factory_.GetWeakPtr(), sequence_number)); | |
| 34 } | |
| 35 | |
| 36 bool RendererHistogramSnapshots::OnControlMessageReceived( | |
| 37 const IPC::Message& message) { | |
| 38 bool handled = true; | |
| 39 IPC_BEGIN_MESSAGE_MAP(RendererHistogramSnapshots, message) | |
| 40 IPC_MESSAGE_HANDLER(ChromeViewMsg_GetRendererHistograms, | |
| 41 OnGetRendererHistograms) | |
| 42 IPC_MESSAGE_UNHANDLED(handled = false) | |
| 43 IPC_END_MESSAGE_MAP() | |
| 44 return handled; | |
| 45 } | |
| 46 | |
| 47 void RendererHistogramSnapshots::OnGetRendererHistograms(int sequence_number) { | |
| 48 SendHistograms(sequence_number); | |
| 49 } | |
| 50 | |
| 51 void RendererHistogramSnapshots::UploadAllHistrograms(int sequence_number) { | |
| 52 DCHECK_EQ(0u, pickled_histograms_.size()); | |
| 53 | |
| 54 StatisticsRecorder::CollectHistogramStats("Renderer"); | |
| 55 | |
| 56 // Push snapshots into our pickled_histograms_ vector. | |
| 57 TransmitAllHistograms(Histogram::kIPCSerializationSourceFlag, false); | |
| 58 | |
| 59 // Send the sequence number and list of pickled histograms over synchronous | |
| 60 // IPC, so we can clear pickled_histograms_ afterwards. | |
| 61 RenderThread::Get()->Send(new ChromeViewHostMsg_RendererHistograms( | |
| 62 sequence_number, pickled_histograms_)); | |
| 63 | |
| 64 pickled_histograms_.clear(); | |
| 65 } | |
| 66 | |
| 67 void RendererHistogramSnapshots::TransmitHistogramDelta( | |
| 68 const base::Histogram& histogram, | |
| 69 const base::Histogram::SampleSet& snapshot) { | |
| 70 DCHECK_NE(0, snapshot.TotalCount()); | |
| 71 snapshot.CheckSize(histogram); | |
| 72 | |
| 73 std::string histogram_info = | |
| 74 Histogram::SerializeHistogramInfo(histogram, snapshot); | |
| 75 pickled_histograms_.push_back(histogram_info); | |
| 76 } | |
| 77 | |
| 78 void RendererHistogramSnapshots::InconsistencyDetected(int problem) { | |
| 79 UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesRenderer", | |
| 80 problem, Histogram::NEVER_EXCEEDED_VALUE); | |
| 81 } | |
| 82 | |
| 83 void RendererHistogramSnapshots::UniqueInconsistencyDetected(int problem) { | |
| 84 UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesRendererUnique", | |
| 85 problem, Histogram::NEVER_EXCEEDED_VALUE); | |
| 86 } | |
| 87 | |
| 88 void RendererHistogramSnapshots::SnapshotProblemResolved(int amount) { | |
| 89 UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotRenderer", | |
| 90 std::abs(amount)); | |
| 91 } | |
| 92 | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10454086:
Histograms - Support histograms for Plugins, GPU (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/