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/*
* Copyright 2019 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 <android-base/stringprintf.h>
#include <cutils/properties.h>
#include <gui/DebugEGLImageTracker.h>
#include <cinttypes>
#include <unordered_map>
using android::base::StringAppendF;
std::mutex DebugEGLImageTracker::mInstanceLock;
std::atomic<DebugEGLImageTracker *> DebugEGLImageTracker::mInstance;
class DebugEGLImageTrackerNoOp : public DebugEGLImageTracker {
public:
DebugEGLImageTrackerNoOp() = default;
~DebugEGLImageTrackerNoOp() override = default;
void create(const char * /*from*/) override {}
void destroy(const char * /*from*/) override {}
void dump(std::string & /*result*/) override {}
};
class DebugEGLImageTrackerImpl : public DebugEGLImageTracker {
public:
DebugEGLImageTrackerImpl() = default;
~DebugEGLImageTrackerImpl() override = default;
void create(const char * /*from*/) override;
void destroy(const char * /*from*/) override;
void dump(std::string & /*result*/) override;
private:
std::mutex mLock;
std::unordered_map<std::string, int64_t> mCreateTracker;
std::unordered_map<std::string, int64_t> mDestroyTracker;
int64_t mTotalCreated = 0;
int64_t mTotalDestroyed = 0;
};
DebugEGLImageTracker *DebugEGLImageTracker::getInstance() {
std::lock_guard lock(mInstanceLock);
if (mInstance == nullptr) {
char value[PROPERTY_VALUE_MAX];
property_get("debug.sf.enable_egl_image_tracker", value, "0");
const bool enabled = static_cast<bool>(atoi(value));
if (enabled) {
mInstance = new DebugEGLImageTrackerImpl();
} else {
mInstance = new DebugEGLImageTrackerNoOp();
}
}
return mInstance;
}
void DebugEGLImageTrackerImpl::create(const char *from) {
std::lock_guard lock(mLock);
mCreateTracker[from]++;
mTotalCreated++;
}
void DebugEGLImageTrackerImpl::destroy(const char *from) {
std::lock_guard lock(mLock);
mDestroyTracker[from]++;
mTotalDestroyed++;
}
void DebugEGLImageTrackerImpl::dump(std::string &result) {
std::lock_guard lock(mLock);
StringAppendF(&result, "Live EGL Image objects: %" PRIi64 "\n",
mTotalCreated - mTotalDestroyed);
StringAppendF(&result, "Total EGL Image created: %" PRIi64 "\n", mTotalCreated);
for (const auto &[from, count] : mCreateTracker) {
StringAppendF(&result, "\t%s: %" PRIi64 "\n", from.c_str(), count);
}
StringAppendF(&result, "Total EGL Image destroyed: %" PRIi64 "\n", mTotalDestroyed);
for (const auto &[from, count] : mDestroyTracker) {
StringAppendF(&result, "\t%s: %" PRIi64 "\n", from.c_str(), count);
}
}
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