| /* |
| * Copyright (C) 2017 Igalia S.L. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "ResourceUsageOverlay.h" |
| |
| #if ENABLE(RESOURCE_USAGE) && OS(LINUX) |
| |
| #include "Chrome.h" |
| #include "ChromeClient.h" |
| #include "CommonVM.h" |
| #include "GraphicsContext.h" |
| #include "Page.h" |
| #include "RenderTheme.h" |
| #include "ResourceUsageThread.h" |
| #include <JavaScriptCore/VM.h> |
| #include <wtf/text/StringConcatenateNumbers.h> |
| |
| namespace WebCore { |
| |
| static ResourceUsageData gData; |
| |
| static String cpuUsageString(float cpuUsage) |
| { |
| if (cpuUsage < 0) |
| return "<unknown>"_s; |
| return makeString(FormattedNumber::fixedWidth(cpuUsage, 1), '%'); |
| } |
| |
| static String formatByteNumber(size_t number) |
| { |
| if (number >= 1024 * 1048576) |
| return makeString(FormattedNumber::fixedWidth(number / (1024. * 1048576), 3), " GB"); |
| if (number >= 1048576) |
| return makeString(FormattedNumber::fixedWidth(number / 1048576., 2), " MB"); |
| if (number >= 1024) |
| return makeString(FormattedNumber::fixedWidth(number / 1024, 1), " kB"); |
| return String::number(number); |
| } |
| |
| static String gcTimerString(MonotonicTime timerFireDate, MonotonicTime now) |
| { |
| if (std::isnan(timerFireDate)) |
| return "[not scheduled]"_s; |
| return String::numberToStringFixedPrecision((timerFireDate - now).seconds()); |
| } |
| |
| static const float gFontSize = 14; |
| |
| class ResourceUsageOverlayPainter final : public GraphicsLayerClient { |
| public: |
| ResourceUsageOverlayPainter(ResourceUsageOverlay& overlay) |
| : m_overlay(overlay) |
| { |
| FontCascadeDescription fontDescription; |
| RenderTheme::singleton().systemFont(CSSValueMessageBox, fontDescription); |
| fontDescription.setComputedSize(gFontSize); |
| m_textFont = FontCascade(WTFMove(fontDescription), 0, 0); |
| m_textFont.update(nullptr); |
| } |
| |
| ~ResourceUsageOverlayPainter() = default; |
| |
| private: |
| void paintContents(const GraphicsLayer*, GraphicsContext& context, OptionSet<GraphicsLayerPaintingPhase>, const FloatRect& clip, GraphicsLayerPaintBehavior) override |
| { |
| GraphicsContextStateSaver stateSaver(context); |
| context.fillRect(clip, Color(0.0f, 0.0f, 0.0f, 0.8f)); |
| context.setFillColor(Color(0.9f, 0.9f, 0.9f, 1.f)); |
| |
| FloatPoint position = { 10, 20 }; |
| String string = "CPU: " + cpuUsageString(gData.cpu); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| string = "Memory: " + formatByteNumber(gData.totalDirtySize); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| string = "External: " + formatByteNumber(gData.totalExternalSize); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| string = "GC Heap: " + formatByteNumber(gData.categories[MemoryCategory::GCHeap].dirtySize); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| string = "GC owned: " + formatByteNumber(gData.categories[MemoryCategory::GCOwned].dirtySize); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| MonotonicTime now = MonotonicTime::now(); |
| string = "Eden GC: " + gcTimerString(gData.timeOfNextEdenCollection, now); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| |
| string = "Full GC: " + gcTimerString(gData.timeOfNextFullCollection, now); |
| context.drawText(m_textFont, TextRun(string), position); |
| position.move(0, gFontSize + 2); |
| } |
| |
| void notifyFlushRequired(const GraphicsLayer*) override |
| { |
| m_overlay.overlay().page()->chrome().client().scheduleCompositingLayerFlush(); |
| } |
| |
| ResourceUsageOverlay& m_overlay; |
| FontCascade m_textFont; |
| }; |
| |
| void ResourceUsageOverlay::platformInitialize() |
| { |
| m_overlayPainter = std::make_unique<ResourceUsageOverlayPainter>(*this); |
| m_paintLayer = GraphicsLayer::create(overlay().page()->chrome().client().graphicsLayerFactory(), *m_overlayPainter); |
| m_paintLayer->setAnchorPoint(FloatPoint3D()); |
| m_paintLayer->setSize({ normalWidth, normalHeight }); |
| m_paintLayer->setBackgroundColor(Color(0.0f, 0.0f, 0.0f, 0.8f)); |
| m_paintLayer->setDrawsContent(true); |
| overlay().layer().addChild(*m_paintLayer); |
| |
| ResourceUsageThread::addObserver(this, All, [this] (const ResourceUsageData& data) { |
| gData = data; |
| m_paintLayer->setNeedsDisplay(); |
| }); |
| } |
| |
| void ResourceUsageOverlay::platformDestroy() |
| { |
| ResourceUsageThread::removeObserver(this); |
| if (!m_paintLayer) |
| return; |
| |
| m_paintLayer->removeFromParent(); |
| m_paintLayer = nullptr; |
| m_overlayPainter = nullptr; |
| } |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(RESOURCE_USAGE) && OS(LINUX) |