HWUI: add leak check for macrobench
Change-Id: Id2037921fdbe599b3c722f2e1d17b99f3b74361c
diff --git a/libs/hwui/tests/common/LeakChecker.cpp b/libs/hwui/tests/common/LeakChecker.cpp
new file mode 100644
index 0000000..3ef4b45
--- /dev/null
+++ b/libs/hwui/tests/common/LeakChecker.cpp
@@ -0,0 +1,97 @@
+/*
+ * 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 "LeakChecker.h"
+
+#include "Caches.h"
+#include "TestUtils.h"
+
+#include <cstdio>
+#include <iostream>
+#include <memunreachable/memunreachable.h>
+#include <unistd.h>
+#include <unordered_set>
+
+using namespace std;
+
+namespace android {
+namespace uirenderer {
+namespace test {
+
+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);
+ }
+}
+
+void LeakChecker::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;
+}
+
+} /* namespace test */
+} /* namespace uirenderer */
+} /* namespace android */