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/*
* Copyright (C) 2019 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 "palette/palette.h"
#include <jni.h>
#include <sys/mman.h>
#include <sys/syscall.h>
#include <unistd.h>
#include <filesystem>
#ifdef ART_TARGET_ANDROID
#include "android-modules-utils/sdk_level.h"
#include "android/api-level.h"
#endif
#include "base/common_art_test.h"
#include "gtest/gtest.h"
namespace {
pid_t GetTid() {
#ifdef __BIONIC__
return gettid();
#else // __BIONIC__
return syscall(__NR_gettid);
#endif // __BIONIC__
}
#ifdef ART_TARGET_ANDROID
bool PaletteSetTaskProfilesIsSupported(palette_status_t res) {
if (android::modules::sdklevel::IsAtLeastU()) {
return true;
}
EXPECT_EQ(PALETTE_STATUS_NOT_SUPPORTED, res)
<< "Device API level: " << android_get_device_api_level();
return false;
}
#endif
} // namespace
class PaletteClientTest : public testing::Test {};
TEST_F(PaletteClientTest, SchedPriority) {
int32_t tid = GetTid();
int32_t saved_priority;
EXPECT_EQ(PALETTE_STATUS_OK, PaletteSchedGetPriority(tid, &saved_priority));
EXPECT_EQ(PALETTE_STATUS_INVALID_ARGUMENT, PaletteSchedSetPriority(tid, /*java_priority=*/ 0));
EXPECT_EQ(PALETTE_STATUS_INVALID_ARGUMENT, PaletteSchedSetPriority(tid, /*java_priority=*/ -1));
EXPECT_EQ(PALETTE_STATUS_INVALID_ARGUMENT, PaletteSchedSetPriority(tid, /*java_priority=*/ 11));
EXPECT_EQ(PALETTE_STATUS_OK, PaletteSchedSetPriority(tid, /*java_priority=*/ 1));
EXPECT_EQ(PALETTE_STATUS_OK, PaletteSchedSetPriority(tid, saved_priority));
}
TEST_F(PaletteClientTest, Trace) {
bool enabled = false;
EXPECT_EQ(PALETTE_STATUS_OK, PaletteTraceEnabled(&enabled));
EXPECT_EQ(PALETTE_STATUS_OK, PaletteTraceBegin("Hello world!"));
EXPECT_EQ(PALETTE_STATUS_OK, PaletteTraceEnd());
EXPECT_EQ(PALETTE_STATUS_OK, PaletteTraceIntegerValue("Beans", /*value=*/ 3));
}
TEST_F(PaletteClientTest, Ashmem) {
#ifndef ART_TARGET_ANDROID
GTEST_SKIP() << "ashmem is only supported on Android";
#else
int fd;
EXPECT_EQ(PALETTE_STATUS_OK, PaletteAshmemCreateRegion("ashmem-test", 4096, &fd));
EXPECT_EQ(PALETTE_STATUS_OK, PaletteAshmemSetProtRegion(fd, PROT_READ | PROT_EXEC));
EXPECT_EQ(0, close(fd));
#endif
}
class PaletteClientJniTest : public art::CommonArtTest {};
TEST_F(PaletteClientJniTest, JniInvocation) {
bool enabled;
EXPECT_EQ(PALETTE_STATUS_OK, PaletteShouldReportJniInvocations(&enabled));
std::string boot_class_path_string =
GetClassPathOption("-Xbootclasspath:", GetLibCoreDexFileNames());
std::string boot_class_path_locations_string =
GetClassPathOption("-Xbootclasspath-locations:", GetLibCoreDexLocations());
JavaVMOption options[] = {
{.optionString = boot_class_path_string.c_str(), .extraInfo = nullptr},
{.optionString = boot_class_path_locations_string.c_str(), .extraInfo = nullptr},
};
JavaVMInitArgs vm_args = {
.version = JNI_VERSION_1_6,
.nOptions = std::size(options),
.options = options,
.ignoreUnrecognized = JNI_TRUE,
};
JavaVM* jvm = nullptr;
JNIEnv* env = nullptr;
EXPECT_EQ(JNI_OK, JNI_CreateJavaVM(&jvm, &env, &vm_args));
ASSERT_NE(nullptr, env);
PaletteNotifyBeginJniInvocation(env);
PaletteNotifyEndJniInvocation(env);
EXPECT_EQ(JNI_OK, jvm->DestroyJavaVM());
}
TEST_F(PaletteClientTest, SetTaskProfiles) {
#ifndef ART_TARGET_ANDROID
GTEST_SKIP() << "SetTaskProfiles is only supported on Android";
#else
if (!std::filesystem::exists("/sys/fs/cgroup/cgroup.controllers")) {
// This is intended to detect ART chroot setups, where SetTaskProfiles won't work.
GTEST_SKIP() << "Kernel cgroup support missing";
}
const char* profiles[] = {"ProcessCapacityHigh", "TimerSlackNormal"};
palette_status_t res = PaletteSetTaskProfiles(GetTid(), &profiles[0], 2);
if (PaletteSetTaskProfilesIsSupported(res)) {
// SetTaskProfiles will only work fully if we run as root. Otherwise it'll
// return false which is mapped to PALETTE_STATUS_FAILED_CHECK_LOG.
if (getuid() == 0) {
EXPECT_EQ(PALETTE_STATUS_OK, res);
} else {
EXPECT_EQ(PALETTE_STATUS_FAILED_CHECK_LOG, res);
}
}
#endif
}
TEST_F(PaletteClientTest, SetTaskProfilesCpp) {
#ifndef ART_TARGET_ANDROID
GTEST_SKIP() << "SetTaskProfiles is only supported on Android";
#else
if (!std::filesystem::exists("/sys/fs/cgroup/cgroup.controllers")) {
// This is intended to detect ART chroot setups, where SetTaskProfiles won't work.
GTEST_SKIP() << "Kernel cgroup support missing";
}
std::vector<std::string> profiles = {"ProcessCapacityHigh", "TimerSlackNormal"};
palette_status_t res = PaletteSetTaskProfiles(GetTid(), profiles);
if (PaletteSetTaskProfilesIsSupported(res)) {
// SetTaskProfiles will only work fully if we run as root. Otherwise it'll
// return false which is mapped to PALETTE_STATUS_FAILED_CHECK_LOG.
if (getuid() == 0) {
EXPECT_EQ(PALETTE_STATUS_OK, res);
} else {
EXPECT_EQ(PALETTE_STATUS_FAILED_CHECK_LOG, res);
}
}
#endif
}
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