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/*
* Copyright (C) 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.
*/
#include "SkiaMemoryTracer.h"
namespace android {
namespace uirenderer {
namespace skiapipeline {
SkiaMemoryTracer::SkiaMemoryTracer(std::vector<ResourcePair> resourceMap, bool itemizeType)
: mResourceMap(resourceMap)
, mItemizeType(itemizeType)
, mTotalSize("bytes", 0)
, mPurgeableSize("bytes", 0) {}
SkiaMemoryTracer::SkiaMemoryTracer(const char* categoryKey, bool itemizeType)
: mCategoryKey(categoryKey)
, mItemizeType(itemizeType)
, mTotalSize("bytes", 0)
, mPurgeableSize("bytes", 0) {}
const char* SkiaMemoryTracer::mapName(const char* resourceName) {
for (auto& resource : mResourceMap) {
if (SkStrContains(resourceName, resource.first)) {
return resource.second;
}
}
return nullptr;
}
void SkiaMemoryTracer::processElement() {
if (!mCurrentElement.empty()) {
// Only count elements that contain "size", other values just provide metadata.
auto sizeResult = mCurrentValues.find("size");
if (sizeResult != mCurrentValues.end()) {
mTotalSize.value += sizeResult->second.value;
mTotalSize.count++;
} else {
mCurrentElement.clear();
mCurrentValues.clear();
return;
}
// find the purgeable size if one exists
auto purgeableResult = mCurrentValues.find("purgeable_size");
if (purgeableResult != mCurrentValues.end()) {
mPurgeableSize.value += purgeableResult->second.value;
mPurgeableSize.count++;
}
// find the type if one exists
const char* type;
auto typeResult = mCurrentValues.find("type");
if (typeResult != mCurrentValues.end()) {
type = typeResult->second.units;
} else if (mItemizeType) {
type = "Other";
}
// compute the type if we are itemizing or use the default "size" if we are not
const char* key = (mItemizeType) ? type : sizeResult->first;
SkASSERT(key != nullptr);
// compute the top level element name using either the map or category key
const char* resourceName = mapName(mCurrentElement.c_str());
if (mCategoryKey != nullptr) {
// find the category if one exists
auto categoryResult = mCurrentValues.find(mCategoryKey);
if (categoryResult != mCurrentValues.end()) {
resourceName = categoryResult->second.units;
} else if (mItemizeType) {
resourceName = "Other";
}
}
// if we don't have a pretty name then use the dumpName
if (resourceName == nullptr) {
resourceName = mCurrentElement.c_str();
}
auto result = mResults.find(resourceName);
if (result != mResults.end()) {
auto& resourceValues = result->second;
typeResult = resourceValues.find(key);
if (typeResult != resourceValues.end()) {
SkASSERT(sizeResult->second.units == typeResult->second.units);
typeResult->second.value += sizeResult->second.value;
typeResult->second.count++;
} else {
resourceValues.insert({key, sizeResult->second});
}
} else {
TraceValue sizeValue = sizeResult->second;
mCurrentValues.clear();
mCurrentValues.insert({key, sizeValue});
mResults.insert({resourceName, mCurrentValues});
}
}
mCurrentElement.clear();
mCurrentValues.clear();
}
void SkiaMemoryTracer::dumpNumericValue(const char* dumpName, const char* valueName,
const char* units, uint64_t value) {
if (mCurrentElement != dumpName) {
processElement();
mCurrentElement = dumpName;
}
mCurrentValues.insert({valueName, {units, value}});
}
bool SkiaMemoryTracer::hasOutput() {
// process any remaining elements
processElement();
return mResults.size() > 0;
}
void SkiaMemoryTracer::logOutput(String8& log) {
// process any remaining elements
processElement();
for (const auto& namedItem : mResults) {
if (mItemizeType) {
log.appendFormat(" %s:\n", namedItem.first.c_str());
for (const auto& typedValue : namedItem.second) {
TraceValue traceValue = convertUnits(typedValue.second);
const char* entry = (traceValue.count > 1) ? "entries" : "entry";
log.appendFormat(" %s: %.2f %s (%d %s)\n", typedValue.first, traceValue.value,
traceValue.units, traceValue.count, entry);
}
} else {
auto result = namedItem.second.find("size");
if (result != namedItem.second.end()) {
TraceValue traceValue = convertUnits(result->second);
const char* entry = (traceValue.count > 1) ? "entries" : "entry";
log.appendFormat(" %s: %.2f %s (%d %s)\n", namedItem.first.c_str(),
traceValue.value, traceValue.units, traceValue.count, entry);
}
}
}
}
size_t SkiaMemoryTracer::total() {
processElement();
if (!strcmp("bytes", mTotalSize.units)) {
return mTotalSize.value;
}
return 0;
}
void SkiaMemoryTracer::logTotals(String8& log) {
TraceValue total = convertUnits(mTotalSize);
TraceValue purgeable = convertUnits(mPurgeableSize);
log.appendFormat(" %.0f bytes, %.2f %s (%.2f %s is purgeable)\n", mTotalSize.value,
total.value, total.units, purgeable.value, purgeable.units);
}
SkiaMemoryTracer::TraceValue SkiaMemoryTracer::convertUnits(const TraceValue& value) {
TraceValue output(value);
if (SkString("bytes") == SkString(output.units) && output.value >= 1024) {
output.value = output.value / 1024.0f;
output.units = "KB";
}
if (SkString("KB") == SkString(output.units) && output.value >= 1024) {
output.value = output.value / 1024.0f;
output.units = "MB";
}
return output;
}
} /* namespace skiapipeline */
} /* namespace uirenderer */
} /* namespace android */
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