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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 <android-base/macros.h>
#include <gmock/gmock.h>
#include <gtest/gtest.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
#include "protos/graphicsstats.pb.h"
#include "service/GraphicsStatsService.h"
using namespace android;
using namespace android::uirenderer;
std::string findRootPath() {
char path[1024];
ssize_t r = readlink("/proc/self/exe", path, 1024);
// < 1023 because we need room for the null terminator
if (r <= 0 || r > 1023) {
int err = errno;
fprintf(stderr, "Failed to read from /proc/self/exe; r=%zd, err=%d (%s)\n", r, err,
strerror(err));
exit(EXIT_FAILURE);
}
while (--r > 0) {
if (path[r] == '/') {
path[r] = '\0';
return std::string(path);
}
}
return std::string();
}
// No code left untested
TEST(GraphicsStats, findRootPath) {
// Different tools/infrastructure seem to push this to different locations. It shouldn't really
// matter where the binary is, so add new locations here as needed. This test still seems good
// as it's nice to understand the possibility space, and ensure findRootPath continues working
// as expected.
std::string acceptableLocations[] = {"/data/nativetest/hwui_unit_tests",
"/data/nativetest64/hwui_unit_tests",
"/data/local/tmp/nativetest/hwui_unit_tests/" ABI_STRING};
EXPECT_THAT(acceptableLocations, ::testing::Contains(findRootPath()));
}
TEST(GraphicsStats, saveLoad) {
std::string path = findRootPath() + "/test_saveLoad";
std::string packageName = "com.test.saveLoad";
MockProfileData mockData;
mockData.editJankFrameCount() = 20;
mockData.editTotalFrameCount() = 100;
mockData.editStatStartTime() = 10000;
// Fill with patterned data we can recognize but which won't map to a
// memset or basic for iteration count
for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) {
mockData.editFrameCounts()[i] = ((i % 10) + 1) * 2;
}
for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) {
mockData.editSlowFrameCounts()[i] = (i % 5) + 1;
}
GraphicsStatsService::saveBuffer(path, packageName, 5, 3000, 7000, &mockData);
protos::GraphicsStatsProto loadedProto;
EXPECT_TRUE(GraphicsStatsService::parseFromFile(path, &loadedProto));
// Clean up the file
unlink(path.c_str());
EXPECT_EQ(packageName, loadedProto.package_name());
EXPECT_EQ(5, loadedProto.version_code());
EXPECT_EQ(3000, loadedProto.stats_start());
EXPECT_EQ(7000, loadedProto.stats_end());
// ASSERT here so we don't continue with a nullptr deref crash if this is false
ASSERT_TRUE(loadedProto.has_summary());
EXPECT_EQ(20, loadedProto.summary().janky_frames());
EXPECT_EQ(100, loadedProto.summary().total_frames());
EXPECT_EQ(mockData.editFrameCounts().size() + mockData.editSlowFrameCounts().size(),
(size_t)loadedProto.histogram_size());
for (size_t i = 0; i < (size_t)loadedProto.histogram_size(); i++) {
int expectedCount, expectedBucket;
if (i < mockData.editFrameCounts().size()) {
expectedCount = ((i % 10) + 1) * 2;
expectedBucket = ProfileData::frameTimeForFrameCountIndex(i);
} else {
int temp = i - mockData.editFrameCounts().size();
expectedCount = (temp % 5) + 1;
expectedBucket = ProfileData::frameTimeForSlowFrameCountIndex(temp);
}
EXPECT_EQ(expectedCount, loadedProto.histogram().Get(i).frame_count());
EXPECT_EQ(expectedBucket, loadedProto.histogram().Get(i).render_millis());
}
}
TEST(GraphicsStats, merge) {
std::string path = findRootPath() + "/test_merge";
std::string packageName = "com.test.merge";
MockProfileData mockData;
mockData.editJankFrameCount() = 20;
mockData.editTotalFrameCount() = 100;
mockData.editStatStartTime() = 10000;
// Fill with patterned data we can recognize but which won't map to a
// memset or basic for iteration count
for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) {
mockData.editFrameCounts()[i] = ((i % 10) + 1) * 2;
}
for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) {
mockData.editSlowFrameCounts()[i] = (i % 5) + 1;
}
GraphicsStatsService::saveBuffer(path, packageName, 5, 3000, 7000, &mockData);
mockData.editJankFrameCount() = 50;
mockData.editTotalFrameCount() = 500;
for (size_t i = 0; i < mockData.editFrameCounts().size(); i++) {
mockData.editFrameCounts()[i] = (i % 5) + 1;
}
for (size_t i = 0; i < mockData.editSlowFrameCounts().size(); i++) {
mockData.editSlowFrameCounts()[i] = ((i % 10) + 1) * 2;
}
GraphicsStatsService::saveBuffer(path, packageName, 5, 7050, 10000, &mockData);
protos::GraphicsStatsProto loadedProto;
EXPECT_TRUE(GraphicsStatsService::parseFromFile(path, &loadedProto));
// Clean up the file
unlink(path.c_str());
EXPECT_EQ(packageName, loadedProto.package_name());
EXPECT_EQ(5, loadedProto.version_code());
EXPECT_EQ(3000, loadedProto.stats_start());
EXPECT_EQ(10000, loadedProto.stats_end());
// ASSERT here so we don't continue with a nullptr deref crash if this is false
ASSERT_TRUE(loadedProto.has_summary());
EXPECT_EQ(20 + 50, loadedProto.summary().janky_frames());
EXPECT_EQ(100 + 500, loadedProto.summary().total_frames());
EXPECT_EQ(mockData.editFrameCounts().size() + mockData.editSlowFrameCounts().size(),
(size_t)loadedProto.histogram_size());
for (size_t i = 0; i < (size_t)loadedProto.histogram_size(); i++) {
int expectedCount, expectedBucket;
if (i < mockData.editFrameCounts().size()) {
expectedCount = ((i % 10) + 1) * 2;
expectedCount += (i % 5) + 1;
expectedBucket = ProfileData::frameTimeForFrameCountIndex(i);
} else {
int temp = i - mockData.editFrameCounts().size();
expectedCount = (temp % 5) + 1;
expectedCount += ((temp % 10) + 1) * 2;
expectedBucket = ProfileData::frameTimeForSlowFrameCountIndex(temp);
}
EXPECT_EQ(expectedCount, loadedProto.histogram().Get(i).frame_count());
EXPECT_EQ(expectedBucket, loadedProto.histogram().Get(i).render_millis());
}
}
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