services/surfaceflinger/LayerStats.cpp - platform/frameworks/native - Git at Google


            
            /*

            
             * Copyright 2018 The Android Open Source Project

            
             *

            
             * Licensed under the Apache License, Version 2.0 (the "License");

            
             * you may not use this file except in compliance with the License.

            
             * You may obtain a copy of the License at

            
             *

            
             *      http://www.apache.org/licenses/LICENSE-2.0

            
             *

            
             * Unless required by applicable law or agreed to in writing, software

            
             * distributed under the License is distributed on an "AS IS" BASIS,

            
             * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

            
             * See the License for the specific language governing permissions and

            
             * limitations under the License.

            
             */

            
            #undef LOG_TAG

            
            #define LOG_TAG "LayerStats"

            
            #define ATRACE_TAG ATRACE_TAG_GRAPHICS


            #include "LayerStats.h"

            
            #include "DisplayHardware/HWComposer.h"

            
            #include "ui/DebugUtils.h"


            #include <android-base/stringprintf.h>

            
            #include <log/log.h>

            
            #include <utils/String8.h>

            
            #include <utils/Trace.h>


            namespace android {


            void LayerStats::enable() {

            
                ATRACE_CALL();

            
                std::lock_guard<std::mutex> lock(mMutex);

            
                if (mEnabled) return;

            
                mLayerShapeStatsMap.clear();

            
                mEnabled = true;

            
                ALOGD("Logging enabled");

            
            }


            void LayerStats::disable() {

            
                ATRACE_CALL();

            
                std::lock_guard<std::mutex> lock(mMutex);

            
                if (!mEnabled) return;

            
                mEnabled = false;

            
                ALOGD("Logging disabled");

            
            }


            void LayerStats::clear() {

            
                ATRACE_CALL();

            
                std::lock_guard<std::mutex> lock(mMutex);

            
                mLayerShapeStatsMap.clear();

            
                ALOGD("Cleared current layer stats");

            
            }


            bool LayerStats::isEnabled() {

            
                return mEnabled;

            
            }


            void LayerStats::traverseLayerTreeStatsLocked(

            
                    const std::vector<std::unique_ptr<LayerProtoParser::Layer>>& layerTree,

            
                    const LayerProtoParser::LayerGlobal& layerGlobal,

            
                    std::vector<std::string>* const outLayerShapeVec) {

            
                for (const auto& layer : layerTree) {

            
                    if (!layer) continue;

            
                    traverseLayerTreeStatsLocked(layer->children, layerGlobal, outLayerShapeVec);

            
                    std::string key = "";

            
                    base::StringAppendF(&key, ",%s", layer->type.c_str());

            
                    base::StringAppendF(&key, ",%s", layerCompositionType(layer->hwcCompositionType));

            
                    base::StringAppendF(&key, ",%d", layer->isProtected);

            
                    base::StringAppendF(&key, ",%s", layerTransform(layer->hwcTransform));

            
                    base::StringAppendF(&key, ",%s", layerPixelFormat(layer->activeBuffer.format));

            
                    base::StringAppendF(&key, ",%s", layer->dataspace.c_str());

            
                    base::StringAppendF(&key, ",%s",

            
                                        destinationLocation(layer->hwcFrame.left, layerGlobal.resolution[0],

            
                                                            true));

            
                    base::StringAppendF(&key, ",%s",

            
                                        destinationLocation(layer->hwcFrame.top, layerGlobal.resolution[1],

            
                                                            false));

            
                    base::StringAppendF(&key, ",%s",

            
                                        destinationSize(layer->hwcFrame.right - layer->hwcFrame.left,

            
                                                        layerGlobal.resolution[0], true));

            
                    base::StringAppendF(&key, ",%s",

            
                                        destinationSize(layer->hwcFrame.bottom - layer->hwcFrame.top,

            
                                                        layerGlobal.resolution[1], false));

            
                    base::StringAppendF(&key, ",%s", scaleRatioWH(layer.get()).c_str());

            
                    base::StringAppendF(&key, ",%s", alpha(static_cast<float>(layer->color.a)));


                    outLayerShapeVec->push_back(key);

            
                    ALOGV("%s", key.c_str());

            
                }

            
            }


            void LayerStats::logLayerStats(const LayersProto& layersProto) {

            
                ATRACE_CALL();

            
                ALOGV("Logging");

            
                auto layerGlobal = LayerProtoParser::generateLayerGlobalInfo(layersProto);

            
                auto layerTree = LayerProtoParser::generateLayerTree(layersProto);

            
                std::vector<std::string> layerShapeVec;


                std::lock_guard<std::mutex> lock(mMutex);

            
                traverseLayerTreeStatsLocked(layerTree, layerGlobal, &layerShapeVec);


                std::string layerShapeKey =

            
                        base::StringPrintf("%d,%s,%s,%s", static_cast<int32_t>(layerShapeVec.size()),

            
                                           layerGlobal.colorMode.c_str(), layerGlobal.colorTransform.c_str(),

            
                                           layerTransform(layerGlobal.globalTransform));

            
                ALOGV("%s", layerShapeKey.c_str());


                std::sort(layerShapeVec.begin(), layerShapeVec.end(), std::greater<std::string>());

            
                for (auto const& s : layerShapeVec) {

            
                    layerShapeKey += s;

            
                }


                mLayerShapeStatsMap[layerShapeKey]++;

            
            }


            void LayerStats::dump(String8& result) {

            
                ATRACE_CALL();

            
                ALOGD("Dumping");

            
                std::lock_guard<std::mutex> lock(mMutex);

            
                result.append("Frequency,LayerCount,ColorMode,ColorTransform,Orientation\n");

            
                result.append("LayerType,CompositionType,IsProtected,Transform,PixelFormat,Dataspace,");

            
                result.append("DstX,DstY,DstWidth,DstHeight,WScale,HScale,Alpha\n");

            
                for (auto& u : mLayerShapeStatsMap) {

            
                    result.appendFormat("%u,%s\n", u.second, u.first.c_str());

            
                }

            
            }


            const char* LayerStats::destinationLocation(int32_t location, int32_t range, bool isHorizontal) {

            
                static const char* locationArray[8] = {"0", "1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8"};

            
                int32_t ratio = location * 8 / range;

            
                if (ratio < 0) return "N/A";

            
                if (isHorizontal) {

            
                    // X location is divided into 4 buckets {"0", "1/4", "1/2", "3/4"}

            
                    if (ratio > 6) return "3/4";

            
                    // use index 0, 2, 4, 6

            
                    return locationArray[ratio & ~1];

            
                }

            
                if (ratio > 7) return "7/8";

            
                return locationArray[ratio];

            
            }


            const char* LayerStats::destinationSize(int32_t size, int32_t range, bool isWidth) {

            
                static const char* sizeArray[8] = {"1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8", "1"};

            
                int32_t ratio = size * 8 / range;

            
                if (ratio < 0) return "N/A";

            
                if (isWidth) {

            
                    // width is divided into 4 buckets {"1/4", "1/2", "3/4", "1"}

            
                    if (ratio > 6) return "1";

            
                    // use index 1, 3, 5, 7

            
                    return sizeArray[ratio | 1];

            
                }

            
                if (ratio > 7) return "1";

            
                return sizeArray[ratio];

            
            }


            const char* LayerStats::layerTransform(int32_t transform) {

            
                return getTransformName(static_cast<hwc_transform_t>(transform));

            
            }


            const char* LayerStats::layerCompositionType(int32_t compositionType) {

            
                return getCompositionName(static_cast<hwc2_composition_t>(compositionType));

            
            }


            const char* LayerStats::layerPixelFormat(int32_t pixelFormat) {

            
                return decodePixelFormat(pixelFormat).c_str();

            
            }


            std::string LayerStats::scaleRatioWH(const LayerProtoParser::Layer* layer) {

            
                if (!layer->type.compare("ColorLayer")) return "N/A,N/A";

            
                std::string ret = "";

            
                if (isRotated(layer->hwcTransform)) {

            
                    ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,

            
                                      static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));

            
                    ret += ",";

            
                    ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,

            
                                      static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));

            
                } else {

            
                    ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,

            
                                      static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));

            
                    ret += ",";

            
                    ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,

            
                                      static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));

            
                }

            
                return ret;

            
            }


            const char* LayerStats::scaleRatio(int32_t destinationScale, int32_t sourceScale) {

            
                // Make scale buckets from <1/64 to >= 16, to avoid floating point

            
                // calculation, x64 on destinationScale first

            
                int32_t scale = destinationScale * 64 / sourceScale;

            
                if (!scale) return "<1/64";

            
                if (scale < 2) return "1/64";

            
                if (scale < 4) return "1/32";

            
                if (scale < 8) return "1/16";

            
                if (scale < 16) return "1/8";

            
                if (scale < 32) return "1/4";

            
                if (scale < 64) return "1/2";

            
                if (scale < 128) return "1";

            
                if (scale < 256) return "2";

            
                if (scale < 512) return "4";

            
                if (scale < 1024) return "8";

            
                return ">=16";

            
            }


            const char* LayerStats::alpha(float a) {

            
                if (a == 1.0f) return "1.0";

            
                if (a > 0.9f) return "0.99";

            
                if (a > 0.8f) return "0.9";

            
                if (a > 0.7f) return "0.8";

            
                if (a > 0.6f) return "0.7";

            
                if (a > 0.5f) return "0.6";

            
                if (a > 0.4f) return "0.5";

            
                if (a > 0.3f) return "0.4";

            
                if (a > 0.2f) return "0.3";

            
                if (a > 0.1f) return "0.2";

            
                if (a > 0.0f) return "0.1";

            
                return "0.0";

            
            }


            bool LayerStats::isRotated(int32_t transform) {

            
                return transform & HWC_TRANSFORM_ROT_90;

            
            }


            bool LayerStats::isVFlipped(int32_t transform) {

            
                return transform & HWC_TRANSFORM_FLIP_V;

            
            }


            bool LayerStats::isHFlipped(int32_t transform) {

            
                return transform & HWC_TRANSFORM_FLIP_H;

            
            }


            }  // namespace android
	/*
	* Copyright 2018 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	#undef LOG_TAG
	#define LOG_TAG "LayerStats"
	#define ATRACE_TAG ATRACE_TAG_GRAPHICS

	#include "LayerStats.h"
	#include "DisplayHardware/HWComposer.h"
	#include "ui/DebugUtils.h"

	#include <android-base/stringprintf.h>
	#include <log/log.h>
	#include <utils/String8.h>
	#include <utils/Trace.h>

	namespace android {

	void LayerStats::enable() {
	ATRACE_CALL();
	std::lock_guard<std::mutex> lock(mMutex);
	if (mEnabled) return;
	mLayerShapeStatsMap.clear();
	mEnabled = true;
	ALOGD("Logging enabled");
	}

	void LayerStats::disable() {
	ATRACE_CALL();
	std::lock_guard<std::mutex> lock(mMutex);
	if (!mEnabled) return;
	mEnabled = false;
	ALOGD("Logging disabled");
	}

	void LayerStats::clear() {
	ATRACE_CALL();
	std::lock_guard<std::mutex> lock(mMutex);
	mLayerShapeStatsMap.clear();
	ALOGD("Cleared current layer stats");
	}

	bool LayerStats::isEnabled() {
	return mEnabled;
	}

	void LayerStats::traverseLayerTreeStatsLocked(
	const std::vector<std::unique_ptr<LayerProtoParser::Layer>>& layerTree,
	const LayerProtoParser::LayerGlobal& layerGlobal,
	std::vector<std::string>* const outLayerShapeVec) {
	for (const auto& layer : layerTree) {
	if (!layer) continue;
	traverseLayerTreeStatsLocked(layer->children, layerGlobal, outLayerShapeVec);
	std::string key = "";
	base::StringAppendF(&key, ",%s", layer->type.c_str());
	base::StringAppendF(&key, ",%s", layerCompositionType(layer->hwcCompositionType));
	base::StringAppendF(&key, ",%d", layer->isProtected);
	base::StringAppendF(&key, ",%s", layerTransform(layer->hwcTransform));
	base::StringAppendF(&key, ",%s", layerPixelFormat(layer->activeBuffer.format));
	base::StringAppendF(&key, ",%s", layer->dataspace.c_str());
	base::StringAppendF(&key, ",%s",
	destinationLocation(layer->hwcFrame.left, layerGlobal.resolution[0],
	true));
	base::StringAppendF(&key, ",%s",
	destinationLocation(layer->hwcFrame.top, layerGlobal.resolution[1],
	false));
	base::StringAppendF(&key, ",%s",
	destinationSize(layer->hwcFrame.right - layer->hwcFrame.left,
	layerGlobal.resolution[0], true));
	base::StringAppendF(&key, ",%s",
	destinationSize(layer->hwcFrame.bottom - layer->hwcFrame.top,
	layerGlobal.resolution[1], false));
	base::StringAppendF(&key, ",%s", scaleRatioWH(layer.get()).c_str());
	base::StringAppendF(&key, ",%s", alpha(static_cast<float>(layer->color.a)));

	outLayerShapeVec->push_back(key);
	ALOGV("%s", key.c_str());
	}
	}

	void LayerStats::logLayerStats(const LayersProto& layersProto) {
	ATRACE_CALL();
	ALOGV("Logging");
	auto layerGlobal = LayerProtoParser::generateLayerGlobalInfo(layersProto);
	auto layerTree = LayerProtoParser::generateLayerTree(layersProto);
	std::vector<std::string> layerShapeVec;

	std::lock_guard<std::mutex> lock(mMutex);
	traverseLayerTreeStatsLocked(layerTree, layerGlobal, &layerShapeVec);

	std::string layerShapeKey =
	base::StringPrintf("%d,%s,%s,%s", static_cast<int32_t>(layerShapeVec.size()),
	layerGlobal.colorMode.c_str(), layerGlobal.colorTransform.c_str(),
	layerTransform(layerGlobal.globalTransform));
	ALOGV("%s", layerShapeKey.c_str());

	std::sort(layerShapeVec.begin(), layerShapeVec.end(), std::greater<std::string>());
	for (auto const& s : layerShapeVec) {
	layerShapeKey += s;
	}

	mLayerShapeStatsMap[layerShapeKey]++;
	}

	void LayerStats::dump(String8& result) {
	ATRACE_CALL();
	ALOGD("Dumping");
	std::lock_guard<std::mutex> lock(mMutex);
	result.append("Frequency,LayerCount,ColorMode,ColorTransform,Orientation\n");
	result.append("LayerType,CompositionType,IsProtected,Transform,PixelFormat,Dataspace,");
	result.append("DstX,DstY,DstWidth,DstHeight,WScale,HScale,Alpha\n");
	for (auto& u : mLayerShapeStatsMap) {
	result.appendFormat("%u,%s\n", u.second, u.first.c_str());
	}
	}

	const char* LayerStats::destinationLocation(int32_t location, int32_t range, bool isHorizontal) {
	static const char* locationArray[8] = {"0", "1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8"};
	int32_t ratio = location * 8 / range;
	if (ratio < 0) return "N/A";
	if (isHorizontal) {
	// X location is divided into 4 buckets {"0", "1/4", "1/2", "3/4"}
	if (ratio > 6) return "3/4";
	// use index 0, 2, 4, 6
	return locationArray[ratio & ~1];
	}
	if (ratio > 7) return "7/8";
	return locationArray[ratio];
	}

	const char* LayerStats::destinationSize(int32_t size, int32_t range, bool isWidth) {
	static const char* sizeArray[8] = {"1/8", "1/4", "3/8", "1/2", "5/8", "3/4", "7/8", "1"};
	int32_t ratio = size * 8 / range;
	if (ratio < 0) return "N/A";
	if (isWidth) {
	// width is divided into 4 buckets {"1/4", "1/2", "3/4", "1"}
	if (ratio > 6) return "1";
	// use index 1, 3, 5, 7
	return sizeArray[ratio \| 1];
	}
	if (ratio > 7) return "1";
	return sizeArray[ratio];
	}

	const char* LayerStats::layerTransform(int32_t transform) {
	return getTransformName(static_cast<hwc_transform_t>(transform));
	}

	const char* LayerStats::layerCompositionType(int32_t compositionType) {
	return getCompositionName(static_cast<hwc2_composition_t>(compositionType));
	}

	const char* LayerStats::layerPixelFormat(int32_t pixelFormat) {
	return decodePixelFormat(pixelFormat).c_str();
	}

	std::string LayerStats::scaleRatioWH(const LayerProtoParser::Layer* layer) {
	if (!layer->type.compare("ColorLayer")) return "N/A,N/A";
	std::string ret = "";
	if (isRotated(layer->hwcTransform)) {
	ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
	static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
	ret += ",";
	ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
	static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
	} else {
	ret += scaleRatio(layer->hwcFrame.right - layer->hwcFrame.left,
	static_cast<int32_t>(layer->hwcCrop.right - layer->hwcCrop.left));
	ret += ",";
	ret += scaleRatio(layer->hwcFrame.bottom - layer->hwcFrame.top,
	static_cast<int32_t>(layer->hwcCrop.bottom - layer->hwcCrop.top));
	}
	return ret;
	}

	const char* LayerStats::scaleRatio(int32_t destinationScale, int32_t sourceScale) {
	// Make scale buckets from <1/64 to >= 16, to avoid floating point
	// calculation, x64 on destinationScale first
	int32_t scale = destinationScale * 64 / sourceScale;
	if (!scale) return "<1/64";
	if (scale < 2) return "1/64";
	if (scale < 4) return "1/32";
	if (scale < 8) return "1/16";
	if (scale < 16) return "1/8";
	if (scale < 32) return "1/4";
	if (scale < 64) return "1/2";
	if (scale < 128) return "1";
	if (scale < 256) return "2";
	if (scale < 512) return "4";
	if (scale < 1024) return "8";
	return ">=16";
	}

	const char* LayerStats::alpha(float a) {
	if (a == 1.0f) return "1.0";
	if (a > 0.9f) return "0.99";
	if (a > 0.8f) return "0.9";
	if (a > 0.7f) return "0.8";
	if (a > 0.6f) return "0.7";
	if (a > 0.5f) return "0.6";
	if (a > 0.4f) return "0.5";
	if (a > 0.3f) return "0.4";
	if (a > 0.2f) return "0.3";
	if (a > 0.1f) return "0.2";
	if (a > 0.0f) return "0.1";
	return "0.0";
	}

	bool LayerStats::isRotated(int32_t transform) {
	return transform & HWC_TRANSFORM_ROT_90;
	}

	bool LayerStats::isVFlipped(int32_t transform) {
	return transform & HWC_TRANSFORM_FLIP_V;
	}

	bool LayerStats::isHFlipped(int32_t transform) {
	return transform & HWC_TRANSFORM_FLIP_H;
	}

	} // namespace android