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Diffstat (limited to 'libmeminfo/libmeminfo_test.cpp')
| -rw-r--r-- | libmeminfo/libmeminfo_test.cpp | 782 |
1 files changed, 0 insertions, 782 deletions
diff --git a/libmeminfo/libmeminfo_test.cpp b/libmeminfo/libmeminfo_test.cpp deleted file mode 100644 index 6ee3482fd..000000000 --- a/libmeminfo/libmeminfo_test.cpp +++ /dev/null @@ -1,782 +0,0 @@ -/* - * Copyright (C) 2018 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 <sys/mman.h> -#include <sys/types.h> -#include <sys/wait.h> -#include <unistd.h> - -#include <gtest/gtest.h> - -#include <string> -#include <vector> - -#include <meminfo/pageacct.h> -#include <meminfo/procmeminfo.h> -#include <meminfo/sysmeminfo.h> - -#include <android-base/file.h> -#include <android-base/logging.h> -#include <android-base/stringprintf.h> -#include <android-base/strings.h> - -using namespace std; -using namespace android::meminfo; - -pid_t pid = -1; - -TEST(ProcMemInfo, TestWorkingTestReset) { - // Expect reset to succeed - EXPECT_TRUE(ProcMemInfo::ResetWorkingSet(pid)); -} - -TEST(ProcMemInfo, UsageEmpty) { - // If we created the object for getting working set, - // the usage must be empty - ProcMemInfo proc_mem(pid, true); - const MemUsage& usage = proc_mem.Usage(); - EXPECT_EQ(usage.rss, 0); - EXPECT_EQ(usage.vss, 0); - EXPECT_EQ(usage.pss, 0); - EXPECT_EQ(usage.uss, 0); - EXPECT_EQ(usage.swap, 0); -} - -TEST(ProcMemInfo, MapsNotEmpty) { - // Make sure the process maps are never empty - ProcMemInfo proc_mem(pid); - const std::vector<Vma>& maps = proc_mem.Maps(); - EXPECT_FALSE(maps.empty()); -} - -TEST(ProcMemInfo, MapsUsageNotEmpty) { - ProcMemInfo proc_mem(pid); - const std::vector<Vma>& maps = proc_mem.Maps(); - EXPECT_FALSE(maps.empty()); - uint64_t total_pss = 0; - uint64_t total_rss = 0; - uint64_t total_uss = 0; - for (auto& map : maps) { - ASSERT_NE(0, map.usage.vss); - total_rss += map.usage.rss; - total_pss += map.usage.pss; - total_uss += map.usage.uss; - } - - // Crude check that stats are actually being read. - EXPECT_NE(0, total_rss) << "RSS zero for all maps, that is not possible."; - EXPECT_NE(0, total_pss) << "PSS zero for all maps, that is not possible."; - EXPECT_NE(0, total_uss) << "USS zero for all maps, that is not possible."; -} - -TEST(ProcMemInfo, MapsUsageEmpty) { - ProcMemInfo proc_mem(pid); - const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats(); - EXPECT_FALSE(maps.empty()); - // Verify that all usage stats are zero in every map. - for (auto& map : maps) { - ASSERT_EQ(0, map.usage.vss); - ASSERT_EQ(0, map.usage.rss); - ASSERT_EQ(0, map.usage.pss); - ASSERT_EQ(0, map.usage.uss); - ASSERT_EQ(0, map.usage.swap); - ASSERT_EQ(0, map.usage.swap_pss); - ASSERT_EQ(0, map.usage.private_clean); - ASSERT_EQ(0, map.usage.private_dirty); - ASSERT_EQ(0, map.usage.shared_clean); - ASSERT_EQ(0, map.usage.shared_dirty); - } -} - -TEST(ProcMemInfo, MapsUsageFillInLater) { - ProcMemInfo proc_mem(pid); - const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats(); - EXPECT_FALSE(maps.empty()); - for (auto& map : maps) { - Vma update_map(map); - ASSERT_EQ(map.start, update_map.start); - ASSERT_EQ(map.end, update_map.end); - ASSERT_EQ(map.offset, update_map.offset); - ASSERT_EQ(map.flags, update_map.flags); - ASSERT_EQ(map.name, update_map.name); - ASSERT_EQ(0, update_map.usage.vss); - ASSERT_EQ(0, update_map.usage.rss); - ASSERT_EQ(0, update_map.usage.pss); - ASSERT_EQ(0, update_map.usage.uss); - ASSERT_EQ(0, update_map.usage.swap); - ASSERT_EQ(0, update_map.usage.swap_pss); - ASSERT_EQ(0, update_map.usage.private_clean); - ASSERT_EQ(0, update_map.usage.private_dirty); - ASSERT_EQ(0, update_map.usage.shared_clean); - ASSERT_EQ(0, update_map.usage.shared_dirty); - ASSERT_TRUE(proc_mem.FillInVmaStats(update_map)); - // Check that at least one usage stat was updated. - ASSERT_NE(0, update_map.usage.vss); - } -} - -TEST(ProcMemInfo, PageMapPresent) { - static constexpr size_t kNumPages = 20; - size_t pagesize = getpagesize(); - void* ptr = mmap(nullptr, pagesize * (kNumPages + 2), PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - ASSERT_NE(MAP_FAILED, ptr); - - // Unmap the first page and the last page so that we guarantee this - // map is in a map by itself. - ASSERT_EQ(0, munmap(ptr, pagesize)); - uintptr_t addr = reinterpret_cast<uintptr_t>(ptr) + pagesize; - ASSERT_EQ(0, munmap(reinterpret_cast<void*>(addr + kNumPages * pagesize), pagesize)); - - ProcMemInfo proc_mem(getpid()); - const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats(); - ASSERT_FALSE(maps.empty()); - - // Find the vma associated with our previously created map. - const Vma* test_vma = nullptr; - for (const Vma& vma : maps) { - if (vma.start == addr) { - test_vma = &vma; - break; - } - } - ASSERT_TRUE(test_vma != nullptr) << "Cannot find test map."; - - // Verify that none of the pages are listed as present. - std::vector<uint64_t> pagemap; - ASSERT_TRUE(proc_mem.PageMap(*test_vma, &pagemap)); - ASSERT_EQ(kNumPages, pagemap.size()); - for (size_t i = 0; i < pagemap.size(); i++) { - EXPECT_FALSE(android::meminfo::page_present(pagemap[i])) - << "Page " << i << " is present and it should not be."; - } - - // Make some of the pages present and verify that we see them - // as present. - uint8_t* data = reinterpret_cast<uint8_t*>(addr); - data[0] = 1; - data[pagesize * 5] = 1; - data[pagesize * 11] = 1; - - ASSERT_TRUE(proc_mem.PageMap(*test_vma, &pagemap)); - ASSERT_EQ(kNumPages, pagemap.size()); - for (size_t i = 0; i < pagemap.size(); i++) { - if (i == 0 || i == 5 || i == 11) { - EXPECT_TRUE(android::meminfo::page_present(pagemap[i])) - << "Page " << i << " is not present and it should be."; - } else { - EXPECT_FALSE(android::meminfo::page_present(pagemap[i])) - << "Page " << i << " is present and it should not be."; - } - } - - ASSERT_EQ(0, munmap(reinterpret_cast<void*>(addr), kNumPages * pagesize)); -} - -TEST(ProcMemInfo, WssEmpty) { - // If we created the object for getting usage, - // the working set must be empty - ProcMemInfo proc_mem(pid, false); - const MemUsage& wss = proc_mem.Wss(); - EXPECT_EQ(wss.rss, 0); - EXPECT_EQ(wss.vss, 0); - EXPECT_EQ(wss.pss, 0); - EXPECT_EQ(wss.uss, 0); - EXPECT_EQ(wss.swap, 0); -} - -TEST(ProcMemInfo, SwapOffsetsEmpty) { - // If we created the object for getting working set, - // the swap offsets must be empty - ProcMemInfo proc_mem(pid, true); - const std::vector<uint16_t>& swap_offsets = proc_mem.SwapOffsets(); - EXPECT_EQ(swap_offsets.size(), 0); -} - -TEST(ProcMemInfo, IsSmapsSupportedTest) { - // Get any pid and check if /proc/<pid>/smaps_rollup exists using the API. - // The API must return the appropriate value regardless of the after it succeeds - // once. - std::string path = ::android::base::StringPrintf("/proc/%d/smaps_rollup", pid); - bool supported = IsSmapsRollupSupported(pid); - EXPECT_EQ(!access(path.c_str(), F_OK | R_OK), supported); - // Second call must return what the first one returned regardless of the pid parameter. - // So, deliberately pass invalid pid. - EXPECT_EQ(supported, IsSmapsRollupSupported(-1)); -} - -TEST(ProcMemInfo, SmapsOrRollupTest) { - // Make sure we can parse 'smaps_rollup' correctly - std::string rollup = - R"rollup(12c00000-7fe859e000 ---p 00000000 00:00 0 [rollup] -Rss: 331908 kB -Pss: 202052 kB -Shared_Clean: 158492 kB -Shared_Dirty: 18928 kB -Private_Clean: 90472 kB -Private_Dirty: 64016 kB -Referenced: 318700 kB -Anonymous: 81984 kB -AnonHugePages: 0 kB -Shared_Hugetlb: 0 kB -Private_Hugetlb: 0 kB -Swap: 5344 kB -SwapPss: 442 kB -Locked: 1523537 kB)rollup"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(rollup, tf.fd)); - - MemUsage stats; - ASSERT_EQ(SmapsOrRollupFromFile(tf.path, &stats), true); - EXPECT_EQ(stats.rss, 331908); - EXPECT_EQ(stats.pss, 202052); - EXPECT_EQ(stats.uss, 154488); - EXPECT_EQ(stats.private_clean, 90472); - EXPECT_EQ(stats.private_dirty, 64016); - EXPECT_EQ(stats.swap_pss, 442); -} - -TEST(ProcMemInfo, SmapsOrRollupSmapsTest) { - // Make sure /proc/<pid>/smaps is parsed correctly - std::string smaps = - R"smaps(12c00000-13440000 rw-p 00000000 00:00 0 [anon:dalvik-main space (region space)] -Name: [anon:dalvik-main space (region space)] -Size: 8448 kB -KernelPageSize: 4 kB -MMUPageSize: 4 kB -Rss: 2652 kB -Pss: 2652 kB -Shared_Clean: 840 kB -Shared_Dirty: 40 kB -Private_Clean: 84 kB -Private_Dirty: 2652 kB -Referenced: 2652 kB -Anonymous: 2652 kB -AnonHugePages: 0 kB -ShmemPmdMapped: 0 kB -Shared_Hugetlb: 0 kB -Private_Hugetlb: 0 kB -Swap: 102 kB -SwapPss: 70 kB -Locked: 2652 kB -VmFlags: rd wr mr mw me ac -)smaps"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(smaps, tf.fd)); - - MemUsage stats; - ASSERT_EQ(SmapsOrRollupFromFile(tf.path, &stats), true); - EXPECT_EQ(stats.rss, 2652); - EXPECT_EQ(stats.pss, 2652); - EXPECT_EQ(stats.uss, 2736); - EXPECT_EQ(stats.private_clean, 84); - EXPECT_EQ(stats.private_dirty, 2652); - EXPECT_EQ(stats.swap_pss, 70); -} - -TEST(ProcMemInfo, SmapsOrRollupPssRollupTest) { - // Make sure /proc/<pid>/smaps is parsed correctly - // to get the PSS - std::string smaps = - R"smaps(12c00000-13440000 rw-p 00000000 00:00 0 [anon:dalvik-main space (region space)] -Name: [anon:dalvik-main space (region space)] -Size: 8448 kB -KernelPageSize: 4 kB -MMUPageSize: 4 kB -Rss: 2652 kB -Pss: 2652 kB -Shared_Clean: 840 kB -Shared_Dirty: 40 kB -Private_Clean: 84 kB -Private_Dirty: 2652 kB -Referenced: 2652 kB -Anonymous: 2652 kB -AnonHugePages: 0 kB -ShmemPmdMapped: 0 kB -Shared_Hugetlb: 0 kB -Private_Hugetlb: 0 kB -Swap: 102 kB -SwapPss: 70 kB -Locked: 2652 kB -VmFlags: rd wr mr mw me ac -)smaps"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(smaps, tf.fd)); - - uint64_t pss; - ASSERT_EQ(SmapsOrRollupPssFromFile(tf.path, &pss), true); - EXPECT_EQ(pss, 2652); -} - -TEST(ProcMemInfo, SmapsOrRollupPssSmapsTest) { - // Correctly parse smaps file to gather pss - std::string exec_dir = ::android::base::GetExecutableDirectory(); - std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str()); - - uint64_t pss; - ASSERT_EQ(SmapsOrRollupPssFromFile(path, &pss), true); - EXPECT_EQ(pss, 19119); -} - -TEST(ProcMemInfo, ForEachVmaFromFileTest) { - // Parse smaps file correctly to make callbacks for each virtual memory area (vma) - std::string exec_dir = ::android::base::GetExecutableDirectory(); - std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str()); - ProcMemInfo proc_mem(pid); - - std::vector<Vma> vmas; - auto collect_vmas = [&](const Vma& v) { vmas.push_back(v); }; - ASSERT_TRUE(ForEachVmaFromFile(path, collect_vmas)); - - // We should get a total of 6 vmas - ASSERT_EQ(vmas.size(), 6); - - // Expect values to be equal to what we have in testdata1/smaps_short - // Check for sizes first - ASSERT_EQ(vmas[0].usage.vss, 32768); - EXPECT_EQ(vmas[1].usage.vss, 11204); - EXPECT_EQ(vmas[2].usage.vss, 16896); - EXPECT_EQ(vmas[3].usage.vss, 260); - EXPECT_EQ(vmas[4].usage.vss, 6060); - EXPECT_EQ(vmas[5].usage.vss, 4); - - // Check for names - EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]"); - EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art"); - EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" || - android::base::StartsWith(vmas[2].name, "[anon:scudo:")) - << "Unknown map name " << vmas[2].name; - EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex"); - EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so"); - EXPECT_EQ(vmas[5].name, "[vsyscall]"); - - EXPECT_EQ(vmas[0].usage.rss, 2048); - EXPECT_EQ(vmas[1].usage.rss, 11188); - EXPECT_EQ(vmas[2].usage.rss, 15272); - EXPECT_EQ(vmas[3].usage.rss, 260); - EXPECT_EQ(vmas[4].usage.rss, 4132); - EXPECT_EQ(vmas[5].usage.rss, 0); - - EXPECT_EQ(vmas[0].usage.pss, 113); - EXPECT_EQ(vmas[1].usage.pss, 2200); - EXPECT_EQ(vmas[2].usage.pss, 15272); - EXPECT_EQ(vmas[3].usage.pss, 260); - EXPECT_EQ(vmas[4].usage.pss, 1274); - EXPECT_EQ(vmas[5].usage.pss, 0); - - EXPECT_EQ(vmas[0].usage.uss, 0); - EXPECT_EQ(vmas[1].usage.uss, 1660); - EXPECT_EQ(vmas[2].usage.uss, 15272); - EXPECT_EQ(vmas[3].usage.uss, 260); - EXPECT_EQ(vmas[4].usage.uss, 0); - EXPECT_EQ(vmas[5].usage.uss, 0); - - EXPECT_EQ(vmas[0].usage.private_clean, 0); - EXPECT_EQ(vmas[1].usage.private_clean, 0); - EXPECT_EQ(vmas[2].usage.private_clean, 0); - EXPECT_EQ(vmas[3].usage.private_clean, 260); - EXPECT_EQ(vmas[4].usage.private_clean, 0); - EXPECT_EQ(vmas[5].usage.private_clean, 0); - - EXPECT_EQ(vmas[0].usage.private_dirty, 0); - EXPECT_EQ(vmas[1].usage.private_dirty, 1660); - EXPECT_EQ(vmas[2].usage.private_dirty, 15272); - EXPECT_EQ(vmas[3].usage.private_dirty, 0); - EXPECT_EQ(vmas[4].usage.private_dirty, 0); - EXPECT_EQ(vmas[5].usage.private_dirty, 0); - - EXPECT_EQ(vmas[0].usage.shared_clean, 0); - EXPECT_EQ(vmas[1].usage.shared_clean, 80); - EXPECT_EQ(vmas[2].usage.shared_clean, 0); - EXPECT_EQ(vmas[3].usage.shared_clean, 0); - EXPECT_EQ(vmas[4].usage.shared_clean, 4132); - EXPECT_EQ(vmas[5].usage.shared_clean, 0); - - EXPECT_EQ(vmas[0].usage.shared_dirty, 2048); - EXPECT_EQ(vmas[1].usage.shared_dirty, 9448); - EXPECT_EQ(vmas[2].usage.shared_dirty, 0); - EXPECT_EQ(vmas[3].usage.shared_dirty, 0); - EXPECT_EQ(vmas[4].usage.shared_dirty, 0); - EXPECT_EQ(vmas[5].usage.shared_dirty, 0); - - EXPECT_EQ(vmas[0].usage.swap, 0); - EXPECT_EQ(vmas[1].usage.swap, 0); - EXPECT_EQ(vmas[2].usage.swap, 0); - EXPECT_EQ(vmas[3].usage.swap, 0); - EXPECT_EQ(vmas[4].usage.swap, 0); - EXPECT_EQ(vmas[5].usage.swap, 0); - - EXPECT_EQ(vmas[0].usage.swap_pss, 0); - EXPECT_EQ(vmas[1].usage.swap_pss, 0); - EXPECT_EQ(vmas[2].usage.swap_pss, 0); - EXPECT_EQ(vmas[3].usage.swap_pss, 0); - EXPECT_EQ(vmas[4].usage.swap_pss, 0); - EXPECT_EQ(vmas[5].usage.swap_pss, 0); -} - -TEST(ProcMemInfo, SmapsReturnTest) { - // Make sure Smaps() is never empty for any process - ProcMemInfo proc_mem(pid); - auto vmas = proc_mem.Smaps(); - EXPECT_FALSE(vmas.empty()); -} - -TEST(ProcMemInfo, SmapsTest) { - std::string exec_dir = ::android::base::GetExecutableDirectory(); - std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str()); - ProcMemInfo proc_mem(pid); - auto vmas = proc_mem.Smaps(path); - - ASSERT_FALSE(vmas.empty()); - // We should get a total of 6 vmas - ASSERT_EQ(vmas.size(), 6); - - // Expect values to be equal to what we have in testdata1/smaps_short - // Check for sizes first - ASSERT_EQ(vmas[0].usage.vss, 32768); - EXPECT_EQ(vmas[1].usage.vss, 11204); - EXPECT_EQ(vmas[2].usage.vss, 16896); - EXPECT_EQ(vmas[3].usage.vss, 260); - EXPECT_EQ(vmas[4].usage.vss, 6060); - EXPECT_EQ(vmas[5].usage.vss, 4); - - // Check for names - EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]"); - EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art"); - EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" || - android::base::StartsWith(vmas[2].name, "[anon:scudo:")) - << "Unknown map name " << vmas[2].name; - EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex"); - EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so"); - EXPECT_EQ(vmas[5].name, "[vsyscall]"); - - EXPECT_EQ(vmas[0].usage.rss, 2048); - EXPECT_EQ(vmas[1].usage.rss, 11188); - EXPECT_EQ(vmas[2].usage.rss, 15272); - EXPECT_EQ(vmas[3].usage.rss, 260); - EXPECT_EQ(vmas[4].usage.rss, 4132); - EXPECT_EQ(vmas[5].usage.rss, 0); - - EXPECT_EQ(vmas[0].usage.pss, 113); - EXPECT_EQ(vmas[1].usage.pss, 2200); - EXPECT_EQ(vmas[2].usage.pss, 15272); - EXPECT_EQ(vmas[3].usage.pss, 260); - EXPECT_EQ(vmas[4].usage.pss, 1274); - EXPECT_EQ(vmas[5].usage.pss, 0); - - EXPECT_EQ(vmas[0].usage.uss, 0); - EXPECT_EQ(vmas[1].usage.uss, 1660); - EXPECT_EQ(vmas[2].usage.uss, 15272); - EXPECT_EQ(vmas[3].usage.uss, 260); - EXPECT_EQ(vmas[4].usage.uss, 0); - EXPECT_EQ(vmas[5].usage.uss, 0); - - EXPECT_EQ(vmas[0].usage.private_clean, 0); - EXPECT_EQ(vmas[1].usage.private_clean, 0); - EXPECT_EQ(vmas[2].usage.private_clean, 0); - EXPECT_EQ(vmas[3].usage.private_clean, 260); - EXPECT_EQ(vmas[4].usage.private_clean, 0); - EXPECT_EQ(vmas[5].usage.private_clean, 0); - - EXPECT_EQ(vmas[0].usage.private_dirty, 0); - EXPECT_EQ(vmas[1].usage.private_dirty, 1660); - EXPECT_EQ(vmas[2].usage.private_dirty, 15272); - EXPECT_EQ(vmas[3].usage.private_dirty, 0); - EXPECT_EQ(vmas[4].usage.private_dirty, 0); - EXPECT_EQ(vmas[5].usage.private_dirty, 0); - - EXPECT_EQ(vmas[0].usage.shared_clean, 0); - EXPECT_EQ(vmas[1].usage.shared_clean, 80); - EXPECT_EQ(vmas[2].usage.shared_clean, 0); - EXPECT_EQ(vmas[3].usage.shared_clean, 0); - EXPECT_EQ(vmas[4].usage.shared_clean, 4132); - EXPECT_EQ(vmas[5].usage.shared_clean, 0); - - EXPECT_EQ(vmas[0].usage.shared_dirty, 2048); - EXPECT_EQ(vmas[1].usage.shared_dirty, 9448); - EXPECT_EQ(vmas[2].usage.shared_dirty, 0); - EXPECT_EQ(vmas[3].usage.shared_dirty, 0); - EXPECT_EQ(vmas[4].usage.shared_dirty, 0); - EXPECT_EQ(vmas[5].usage.shared_dirty, 0); - - EXPECT_EQ(vmas[0].usage.swap, 0); - EXPECT_EQ(vmas[1].usage.swap, 0); - EXPECT_EQ(vmas[2].usage.swap, 0); - EXPECT_EQ(vmas[3].usage.swap, 0); - EXPECT_EQ(vmas[4].usage.swap, 0); - EXPECT_EQ(vmas[5].usage.swap, 0); - - EXPECT_EQ(vmas[0].usage.swap_pss, 0); - EXPECT_EQ(vmas[1].usage.swap_pss, 0); - EXPECT_EQ(vmas[2].usage.swap_pss, 0); - EXPECT_EQ(vmas[3].usage.swap_pss, 0); - EXPECT_EQ(vmas[4].usage.swap_pss, 0); - EXPECT_EQ(vmas[5].usage.swap_pss, 0); -} - -TEST(SysMemInfo, TestSysMemInfoFile) { - std::string meminfo = R"meminfo(MemTotal: 3019740 kB -MemFree: 1809728 kB -MemAvailable: 2546560 kB -Buffers: 54736 kB -Cached: 776052 kB -SwapCached: 0 kB -Active: 445856 kB -Inactive: 459092 kB -Active(anon): 78492 kB -Inactive(anon): 2240 kB -Active(file): 367364 kB -Inactive(file): 456852 kB -Unevictable: 3096 kB -Mlocked: 3096 kB -SwapTotal: 32768 kB -SwapFree: 4096 kB -Dirty: 32 kB -Writeback: 0 kB -AnonPages: 74988 kB -Mapped: 62624 kB -Shmem: 4020 kB -Slab: 86464 kB -SReclaimable: 44432 kB -SUnreclaim: 42032 kB -KernelStack: 4880 kB -PageTables: 2900 kB -NFS_Unstable: 0 kB -Bounce: 0 kB -WritebackTmp: 0 kB -CommitLimit: 1509868 kB -Committed_AS: 80296 kB -VmallocTotal: 263061440 kB -VmallocUsed: 65536 kB -VmallocChunk: 0 kB -AnonHugePages: 6144 kB -ShmemHugePages: 0 kB -ShmemPmdMapped: 0 kB -CmaTotal: 131072 kB -CmaFree: 130380 kB -HugePages_Total: 0 -HugePages_Free: 0 -HugePages_Rsvd: 0 -HugePages_Surp: 0 -Hugepagesize: 2048 kB)meminfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(meminfo, tf.fd)); - - SysMemInfo mi; - ASSERT_TRUE(mi.ReadMemInfo(tf.path)); - EXPECT_EQ(mi.mem_total_kb(), 3019740); - EXPECT_EQ(mi.mem_free_kb(), 1809728); - EXPECT_EQ(mi.mem_buffers_kb(), 54736); - EXPECT_EQ(mi.mem_cached_kb(), 776052); - EXPECT_EQ(mi.mem_shmem_kb(), 4020); - EXPECT_EQ(mi.mem_slab_kb(), 86464); - EXPECT_EQ(mi.mem_slab_reclaimable_kb(), 44432); - EXPECT_EQ(mi.mem_slab_unreclaimable_kb(), 42032); - EXPECT_EQ(mi.mem_swap_kb(), 32768); - EXPECT_EQ(mi.mem_swap_free_kb(), 4096); - EXPECT_EQ(mi.mem_mapped_kb(), 62624); - EXPECT_EQ(mi.mem_vmalloc_used_kb(), 65536); - EXPECT_EQ(mi.mem_page_tables_kb(), 2900); - EXPECT_EQ(mi.mem_kernel_stack_kb(), 4880); -} - -TEST(SysMemInfo, TestEmptyFile) { - TemporaryFile tf; - std::string empty_string = ""; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(empty_string, tf.fd)); - - SysMemInfo mi; - EXPECT_TRUE(mi.ReadMemInfo(tf.path)); - EXPECT_EQ(mi.mem_total_kb(), 0); -} - -TEST(SysMemInfo, TestZramTotal) { - std::string exec_dir = ::android::base::GetExecutableDirectory(); - - SysMemInfo mi; - std::string zram_mmstat_dir = exec_dir + "/testdata1/"; - EXPECT_EQ(mi.mem_zram_kb(zram_mmstat_dir.c_str()), 30504); - - std::string zram_memused_dir = exec_dir + "/testdata2/"; - EXPECT_EQ(mi.mem_zram_kb(zram_memused_dir.c_str()), 30504); -} - -enum { - MEMINFO_TOTAL, - MEMINFO_FREE, - MEMINFO_BUFFERS, - MEMINFO_CACHED, - MEMINFO_SHMEM, - MEMINFO_SLAB, - MEMINFO_SLAB_RECLAIMABLE, - MEMINFO_SLAB_UNRECLAIMABLE, - MEMINFO_SWAP_TOTAL, - MEMINFO_SWAP_FREE, - MEMINFO_ZRAM_TOTAL, - MEMINFO_MAPPED, - MEMINFO_VMALLOC_USED, - MEMINFO_PAGE_TABLES, - MEMINFO_KERNEL_STACK, - MEMINFO_COUNT -}; - -TEST(SysMemInfo, TestZramWithTags) { - std::string meminfo = R"meminfo(MemTotal: 3019740 kB -MemFree: 1809728 kB -MemAvailable: 2546560 kB -Buffers: 54736 kB -Cached: 776052 kB -SwapCached: 0 kB -Active: 445856 kB -Inactive: 459092 kB -Active(anon): 78492 kB -Inactive(anon): 2240 kB -Active(file): 367364 kB -Inactive(file): 456852 kB -Unevictable: 3096 kB -Mlocked: 3096 kB -SwapTotal: 32768 kB -SwapFree: 4096 kB -Dirty: 32 kB -Writeback: 0 kB -AnonPages: 74988 kB -Mapped: 62624 kB -Shmem: 4020 kB -Slab: 86464 kB -SReclaimable: 44432 kB -SUnreclaim: 42032 kB -KernelStack: 4880 kB -PageTables: 2900 kB -NFS_Unstable: 0 kB -Bounce: 0 kB -WritebackTmp: 0 kB -CommitLimit: 1509868 kB -Committed_AS: 80296 kB -VmallocTotal: 263061440 kB -VmallocUsed: 65536 kB -VmallocChunk: 0 kB -AnonHugePages: 6144 kB -ShmemHugePages: 0 kB -ShmemPmdMapped: 0 kB -CmaTotal: 131072 kB -CmaFree: 130380 kB -HugePages_Total: 0 -HugePages_Free: 0 -HugePages_Rsvd: 0 -HugePages_Surp: 0 -Hugepagesize: 2048 kB)meminfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(meminfo, tf.fd)); - std::string file = std::string(tf.path); - std::vector<uint64_t> mem; - std::vector<std::string_view> tags(SysMemInfo::kDefaultSysMemInfoTags.begin(), - SysMemInfo::kDefaultSysMemInfoTags.end()); - auto it = tags.begin(); - tags.insert(it + MEMINFO_ZRAM_TOTAL, "Zram:"); - SysMemInfo mi; - - // Read system memory info - mem.resize(tags.size()); - EXPECT_TRUE(mi.ReadMemInfo(tags.size(), tags.data(), mem.data(), file.c_str())); - EXPECT_EQ(mem[MEMINFO_TOTAL], 3019740); - EXPECT_EQ(mem[MEMINFO_FREE], 1809728); - EXPECT_EQ(mem[MEMINFO_BUFFERS], 54736); - EXPECT_EQ(mem[MEMINFO_CACHED], 776052); - EXPECT_EQ(mem[MEMINFO_SHMEM], 4020); - EXPECT_EQ(mem[MEMINFO_SLAB], 86464); - EXPECT_EQ(mem[MEMINFO_SLAB_RECLAIMABLE], 44432); - EXPECT_EQ(mem[MEMINFO_SLAB_UNRECLAIMABLE], 42032); - EXPECT_EQ(mem[MEMINFO_SWAP_TOTAL], 32768); - EXPECT_EQ(mem[MEMINFO_SWAP_FREE], 4096); - EXPECT_EQ(mem[MEMINFO_MAPPED], 62624); - EXPECT_EQ(mem[MEMINFO_VMALLOC_USED], 65536); - EXPECT_EQ(mem[MEMINFO_PAGE_TABLES], 2900); - EXPECT_EQ(mem[MEMINFO_KERNEL_STACK], 4880); -} - -TEST(SysMemInfo, TestVmallocInfoNoMemory) { - std::string vmallocinfo = - R"vmallocinfo(0x0000000000000000-0x0000000000000000 69632 of_iomap+0x78/0xb0 phys=17a00000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=b220000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17c90000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17ca0000 ioremap)vmallocinfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd)); - std::string file = std::string(tf.path); - - EXPECT_EQ(ReadVmallocInfo(file.c_str()), 0); -} - -TEST(SysMemInfo, TestVmallocInfoKernel) { - std::string vmallocinfo = - R"vmallocinfo(0x0000000000000000-0x0000000000000000 8192 drm_property_create_blob+0x44/0xec pages=1 vmalloc)vmallocinfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd)); - std::string file = std::string(tf.path); - - EXPECT_EQ(ReadVmallocInfo(file.c_str()), getpagesize()); -} - -TEST(SysMemInfo, TestVmallocInfoModule) { - std::string vmallocinfo = - R"vmallocinfo(0x0000000000000000-0x0000000000000000 28672 pktlog_alloc_buf+0xc4/0x15c [wlan] pages=6 vmalloc)vmallocinfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd)); - std::string file = std::string(tf.path); - - EXPECT_EQ(ReadVmallocInfo(file.c_str()), 6 * getpagesize()); -} - -TEST(SysMemInfo, TestVmallocInfoAll) { - std::string vmallocinfo = - R"vmallocinfo(0x0000000000000000-0x0000000000000000 69632 of_iomap+0x78/0xb0 phys=17a00000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=b220000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17c90000 ioremap -0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17ca0000 ioremap -0x0000000000000000-0x0000000000000000 8192 drm_property_create_blob+0x44/0xec pages=1 vmalloc -0x0000000000000000-0x0000000000000000 28672 pktlog_alloc_buf+0xc4/0x15c [wlan] pages=6 vmalloc)vmallocinfo"; - - TemporaryFile tf; - ASSERT_TRUE(tf.fd != -1); - ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd)); - std::string file = std::string(tf.path); - - EXPECT_EQ(ReadVmallocInfo(file.c_str()), 7 * getpagesize()); -} - -int main(int argc, char** argv) { - ::testing::InitGoogleTest(&argc, argv); - ::android::base::InitLogging(argv, android::base::StderrLogger); - pid = getpid(); - return RUN_ALL_TESTS(); -} |