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90 lines
2.9 KiB
90 lines
2.9 KiB
/*
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* Copyright (C) 2016 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "LeakChecker.h"
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#include "TestUtils.h"
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#include <memunreachable/memunreachable.h>
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#include <unistd.h>
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#include <cstdio>
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#include <iostream>
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#include <unordered_set>
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using namespace std;
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namespace android {
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namespace uirenderer {
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namespace test {
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static void logUnreachable(initializer_list<UnreachableMemoryInfo> infolist) {
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// merge them all
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UnreachableMemoryInfo merged;
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unordered_set<uintptr_t> addrs;
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merged.allocation_bytes = 0;
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merged.leak_bytes = 0;
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merged.num_allocations = 0;
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merged.num_leaks = 0;
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for (auto& info : infolist) {
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// We'll be a little hazzy about these ones and just hope the biggest
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// is the most accurate
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merged.allocation_bytes = max(merged.allocation_bytes, info.allocation_bytes);
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merged.num_allocations = max(merged.num_allocations, info.num_allocations);
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for (auto& leak : info.leaks) {
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if (addrs.find(leak.begin) == addrs.end()) {
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merged.leaks.push_back(leak);
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merged.num_leaks++;
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merged.leak_bytes += leak.size;
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addrs.insert(leak.begin);
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}
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}
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}
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// Now log the result
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if (merged.num_leaks) {
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cout << endl << "Leaked memory!" << endl;
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if (!merged.leaks[0].backtrace.num_frames) {
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cout << "Re-run with 'export LIBC_DEBUG_MALLOC_OPTIONS=backtrace' to get backtraces"
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<< endl;
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}
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cout << merged.ToString(false);
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}
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}
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void LeakChecker::checkForLeaks() {
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// TODO: Until we can shutdown the RT thread we need to do this in
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// two passes as GetUnreachableMemory has limited insight into
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// thread-local caches so some leaks will not be properly tagged as leaks
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UnreachableMemoryInfo rtMemInfo;
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TestUtils::runOnRenderThread([&rtMemInfo](renderthread::RenderThread& thread) {
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// Check for leaks
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if (!GetUnreachableMemory(rtMemInfo)) {
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cerr << "Failed to get unreachable memory!" << endl;
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return;
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}
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});
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UnreachableMemoryInfo uiMemInfo;
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if (!GetUnreachableMemory(uiMemInfo)) {
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cerr << "Failed to get unreachable memory!" << endl;
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return;
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}
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logUnreachable({rtMemInfo, uiMemInfo});
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}
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} /* namespace test */
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} /* namespace uirenderer */
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} /* namespace android */
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