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/*
* Copyright (C) 2016 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 "gtest/gtest.h"
#include "Caches.h"
#include "thread/TaskManager.h"
#include "tests/common/TestUtils.h"
#include <memunreachable/memunreachable.h>
#include <cstdio>
#include <iostream>
#include <map>
#include <unordered_set>
#include <signal.h>
#include <unistd.h>
using namespace std;
using namespace android;
using namespace android::uirenderer;
static auto CRASH_SIGNALS = {
SIGABRT,
SIGSEGV,
SIGBUS,
};
static map<int, struct sigaction> gSigChain;
static void gtestSigHandler(int sig, siginfo_t* siginfo, void* context) {
auto testinfo = ::testing::UnitTest::GetInstance()->current_test_info();
printf("[ FAILED ] %s.%s\n", testinfo->test_case_name(),
testinfo->name());
printf("[ FATAL! ] Process crashed, aborting tests!\n");
fflush(stdout);
// restore the default sighandler and re-raise
struct sigaction sa = gSigChain[sig];
sigaction(sig, &sa, nullptr);
raise(sig);
}
static void logUnreachable(initializer_list<UnreachableMemoryInfo> infolist) {
// merge them all
UnreachableMemoryInfo merged;
unordered_set<uintptr_t> addrs;
merged.allocation_bytes = 0;
merged.leak_bytes = 0;
merged.num_allocations = 0;
merged.num_leaks = 0;
for (auto& info : infolist) {
// We'll be a little hazzy about these ones and just hope the biggest
// is the most accurate
merged.allocation_bytes = max(merged.allocation_bytes, info.allocation_bytes);
merged.num_allocations = max(merged.num_allocations, info.num_allocations);
for (auto& leak : info.leaks) {
if (addrs.find(leak.begin) == addrs.end()) {
merged.leaks.push_back(leak);
merged.num_leaks++;
merged.leak_bytes += leak.size;
addrs.insert(leak.begin);
}
}
}
// Now log the result
if (merged.num_leaks) {
cout << endl << "Leaked memory!" << endl;
if (!merged.leaks[0].backtrace.num_frames) {
cout << "Re-run with 'setprop libc.debug.malloc.program hwui_unit_test'"
<< endl << "and 'setprop libc.debug.malloc.options backtrace=8'"
<< " to get backtraces" << endl;
}
cout << merged.ToString(false);
}
}
static void checkForLeaks() {
// TODO: Until we can shutdown the RT thread we need to do this in
// two passes as GetUnreachableMemory has limited insight into
// thread-local caches so some leaks will not be properly tagged as leaks
nsecs_t before = systemTime();
UnreachableMemoryInfo rtMemInfo;
TestUtils::runOnRenderThread([&rtMemInfo](renderthread::RenderThread& thread) {
if (Caches::hasInstance()) {
Caches::getInstance().tasks.stop();
}
// Check for leaks
if (!GetUnreachableMemory(rtMemInfo)) {
cerr << "Failed to get unreachable memory!" << endl;
return;
}
});
UnreachableMemoryInfo uiMemInfo;
if (!GetUnreachableMemory(uiMemInfo)) {
cerr << "Failed to get unreachable memory!" << endl;
return;
}
logUnreachable({rtMemInfo, uiMemInfo});
nsecs_t after = systemTime();
cout << "Leak check took " << ns2ms(after - before) << "ms" << endl;
}
int main(int argc, char* argv[]) {
// Register a crash handler
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_sigaction = >estSigHandler;
sa.sa_flags = SA_SIGINFO;
for (auto sig : CRASH_SIGNALS) {
struct sigaction old_sa;
sigaction(sig, &sa, &old_sa);
gSigChain.insert(pair<int, struct sigaction>(sig, old_sa));
}
// Run the tests
testing::InitGoogleTest(&argc, argv);
int ret = RUN_ALL_TESTS();
checkForLeaks();
return ret;
}
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