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PL286/system/extras/memory_replay/tests/NativeInfoTest.cpp

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/*
* Copyright (C) 2015 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 <stdint.h>
#include <string>
#include <android-base/test_utils.h>
#include "NativeInfo.h"
class NativeInfoTest : public ::testing::Test {
protected:
void SetUp() override {
tmp_file_ = new TemporaryFile();
ASSERT_TRUE(tmp_file_->fd != -1);
}
void TearDown() override {
delete tmp_file_;
}
TemporaryFile* tmp_file_ = nullptr;
};
TEST_F(NativeInfoTest, no_matching) {
std::string smaps_data =
"b6f1a000-b6f1c000 rw-p 00000000 00:00 0 [anon:thread signal stack]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 12 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [anon:thread signal stack]\n";
ASSERT_TRUE(TEMP_FAILURE_RETRY(
write(tmp_file_->fd, smaps_data.c_str(), smaps_data.size())) != -1);
ASSERT_TRUE(lseek(tmp_file_->fd, 0, SEEK_SET) != off_t(-1));
size_t pss_bytes = 1;
size_t va_bytes = 1;
GetNativeInfo(tmp_file_->fd, &pss_bytes, &va_bytes);
ASSERT_EQ(0U, pss_bytes);
ASSERT_EQ(0U, va_bytes);
}
TEST_F(NativeInfoTest, multiple_anons) {
std::string smaps_data =
"b6f1a000-b6f1c000 rw-p 00000000 00:00 0 [anon:libc_malloc]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 12 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [anon:libc_malloc]\n"
"b6f1e000-b6f1f000 rw-p 00000000 00:00 0 [anon:libc_malloc]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 20 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [anon:libc_malloc]\n"
"b6f2e000-b6f2f000 rw-p 00000000 00:00 0\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 24 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name:\n";
ASSERT_TRUE(TEMP_FAILURE_RETRY(
write(tmp_file_->fd, smaps_data.c_str(), smaps_data.size())) != -1);
ASSERT_TRUE(lseek(tmp_file_->fd, 0, SEEK_SET) != off_t(-1));
size_t pss_bytes = 1;
size_t va_bytes = 1;
GetNativeInfo(tmp_file_->fd, &pss_bytes, &va_bytes);
ASSERT_EQ(32768U, pss_bytes);
ASSERT_EQ(12288U, va_bytes);
}
TEST_F(NativeInfoTest, multiple_heaps) {
std::string smaps_data =
"b6f1a000-b6f1c000 rw-p 00000000 00:00 0 [heap]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 24 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [heap]\n"
"b6f1e000-b6f1f000 rw-p 00000000 00:00 0 [heap]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 20 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [heap]\n"
"b6f2e000-b6f2f000 rw-p 00000000 00:00 0\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 24 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name:\n";
ASSERT_TRUE(TEMP_FAILURE_RETRY(
write(tmp_file_->fd, smaps_data.c_str(), smaps_data.size())) != -1);
ASSERT_TRUE(lseek(tmp_file_->fd, 0, SEEK_SET) != off_t(-1));
size_t pss_bytes = 1;
size_t va_bytes = 1;
GetNativeInfo(tmp_file_->fd, &pss_bytes, &va_bytes);
ASSERT_EQ(45056U, pss_bytes);
ASSERT_EQ(12288U, va_bytes);
}
TEST_F(NativeInfoTest, mix_heap_anon) {
std::string smaps_data =
"b6f1a000-b6f1c000 rw-p 00000000 00:00 0 [heap]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 32 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [heap]\n"
"b6f1e000-b6f1f000 rw-p 00000000 00:00 0 [anon:skip]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 32 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [anon:skip]\n"
"b6f2e000-b6f2f000 rw-p 00000000 00:00 0 [anon:libc_malloc]\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 40 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name: [anon:libc_malloc]\n"
"b6f3e000-b6f3f000 rw-p 00000000 00:00 0\n"
"Size: 8 kB\n"
"Rss: 0 kB\n"
"Pss: 24 kB\n"
"Shared_Clean: 0 kB\n"
"Shared_Dirty: 0 kB\n"
"Private_Clean: 0 kB\n"
"Private_Dirty: 0 kB\n"
"Referenced: 0 kB\n"
"Anonymous: 0 kB\n"
"AnonHugePages: 0 kB\n"
"Swap: 0 kB\n"
"KernelPageSize: 4 kB\n"
"MMUPageSize: 4 kB\n"
"Locked: 0 kB\n"
"Name:\n";
ASSERT_TRUE(TEMP_FAILURE_RETRY(
write(tmp_file_->fd, smaps_data.c_str(), smaps_data.size())) != -1);
ASSERT_TRUE(lseek(tmp_file_->fd, 0, SEEK_SET) != off_t(-1));
size_t pss_bytes = 1;
size_t va_bytes = 1;
GetNativeInfo(tmp_file_->fd, &pss_bytes, &va_bytes);
ASSERT_EQ(73728U, pss_bytes);
ASSERT_EQ(12288U, va_bytes);
}