137 lines
4.3 KiB
C++
137 lines
4.3 KiB
C++
/*
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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 "gtest/gtest.h"
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#include "Caches.h"
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#include "thread/TaskManager.h"
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#include "tests/common/TestUtils.h"
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#include <memunreachable/memunreachable.h>
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#include <cstdio>
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#include <iostream>
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#include <map>
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#include <unordered_set>
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#include <signal.h>
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#include <unistd.h>
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using namespace std;
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using namespace android;
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using namespace android::uirenderer;
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static auto CRASH_SIGNALS = {
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SIGABRT,
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SIGSEGV,
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SIGBUS,
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};
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static map<int, struct sigaction> gSigChain;
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static void gtestSigHandler(int sig, siginfo_t* siginfo, void* context) {
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auto testinfo = ::testing::UnitTest::GetInstance()->current_test_info();
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printf("[ FAILED ] %s.%s\n", testinfo->test_case_name(),
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testinfo->name());
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printf("[ FATAL! ] Process crashed, aborting tests!\n");
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fflush(stdout);
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// restore the default sighandler and re-raise
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struct sigaction sa = gSigChain[sig];
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sigaction(sig, &sa, nullptr);
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raise(sig);
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}
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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 'setprop libc.debug.malloc.program hwui_unit_test'"
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<< endl << "and 'setprop libc.debug.malloc.options backtrace=8'"
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<< " to get backtraces" << 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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static void 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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nsecs_t before = systemTime();
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UnreachableMemoryInfo rtMemInfo;
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TestUtils::runOnRenderThread([&rtMemInfo](renderthread::RenderThread& thread) {
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if (Caches::hasInstance()) {
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Caches::getInstance().tasks.stop();
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}
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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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nsecs_t after = systemTime();
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cout << "Leak check took " << ns2ms(after - before) << "ms" << endl;
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}
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int main(int argc, char* argv[]) {
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// Register a crash handler
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struct sigaction sa;
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memset(&sa, 0, sizeof(sa));
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sa.sa_sigaction = >estSigHandler;
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sa.sa_flags = SA_SIGINFO;
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for (auto sig : CRASH_SIGNALS) {
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struct sigaction old_sa;
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sigaction(sig, &sa, &old_sa);
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gSigChain.insert(pair<int, struct sigaction>(sig, old_sa));
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}
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// Run the tests
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testing::InitGoogleTest(&argc, argv);
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int ret = RUN_ALL_TESTS();
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checkForLeaks();
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return ret;
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}
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