| /* |
| * 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/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 <pagemap/pagemap.h> |
| |
| #include <android-base/file.h> |
| #include <android-base/logging.h> |
| #include <android-base/stringprintf.h> |
| |
| using namespace std; |
| using namespace android::meminfo; |
| |
| pid_t pid = -1; |
| |
| class ValidateProcMemInfo : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| ASSERT_EQ(0, pm_kernel_create(&ker)); |
| ASSERT_EQ(0, pm_process_create(ker, pid, &proc)); |
| proc_mem = new ProcMemInfo(pid); |
| ASSERT_NE(proc_mem, nullptr); |
| } |
| |
| void TearDown() override { |
| delete proc_mem; |
| pm_process_destroy(proc); |
| pm_kernel_destroy(ker); |
| } |
| |
| pm_kernel_t* ker; |
| pm_process_t* proc; |
| ProcMemInfo* proc_mem; |
| }; |
| |
| TEST_F(ValidateProcMemInfo, TestMapsSize) { |
| const std::vector<Vma>& maps = proc_mem->Maps(); |
| ASSERT_FALSE(maps.empty()) << "Process " << getpid() << " maps are empty"; |
| } |
| |
| TEST_F(ValidateProcMemInfo, TestMapsEquality) { |
| const std::vector<Vma>& maps = proc_mem->Maps(); |
| ASSERT_EQ(proc->num_maps, maps.size()); |
| |
| for (size_t i = 0; i < maps.size(); ++i) { |
| EXPECT_EQ(proc->maps[i]->start, maps[i].start); |
| EXPECT_EQ(proc->maps[i]->end, maps[i].end); |
| EXPECT_EQ(proc->maps[i]->offset, maps[i].offset); |
| EXPECT_EQ(std::string(proc->maps[i]->name), maps[i].name); |
| } |
| } |
| |
| TEST_F(ValidateProcMemInfo, TestMaps) { |
| const std::vector<Vma>& maps = proc_mem->Maps(); |
| ASSERT_FALSE(maps.empty()); |
| ASSERT_EQ(proc->num_maps, maps.size()); |
| |
| pm_memusage_t map_usage, proc_usage; |
| pm_memusage_zero(&map_usage); |
| pm_memusage_zero(&proc_usage); |
| for (size_t i = 0; i < maps.size(); i++) { |
| ASSERT_EQ(0, pm_map_usage(proc->maps[i], &map_usage)); |
| EXPECT_EQ(map_usage.vss, maps[i].usage.vss) << "VSS mismatch for map: " << maps[i].name; |
| EXPECT_EQ(map_usage.rss, maps[i].usage.rss) << "RSS mismatch for map: " << maps[i].name; |
| EXPECT_EQ(map_usage.pss, maps[i].usage.pss) << "PSS mismatch for map: " << maps[i].name; |
| EXPECT_EQ(map_usage.uss, maps[i].usage.uss) << "USS mismatch for map: " << maps[i].name; |
| pm_memusage_add(&proc_usage, &map_usage); |
| } |
| |
| EXPECT_EQ(proc_usage.vss, proc_mem->Usage().vss); |
| EXPECT_EQ(proc_usage.rss, proc_mem->Usage().rss); |
| EXPECT_EQ(proc_usage.pss, proc_mem->Usage().pss); |
| EXPECT_EQ(proc_usage.uss, proc_mem->Usage().uss); |
| } |
| |
| TEST_F(ValidateProcMemInfo, TestSwapUsage) { |
| const std::vector<Vma>& maps = proc_mem->Maps(); |
| ASSERT_FALSE(maps.empty()); |
| ASSERT_EQ(proc->num_maps, maps.size()); |
| |
| pm_memusage_t map_usage, proc_usage; |
| pm_memusage_zero(&map_usage); |
| pm_memusage_zero(&proc_usage); |
| for (size_t i = 0; i < maps.size(); i++) { |
| ASSERT_EQ(0, pm_map_usage(proc->maps[i], &map_usage)); |
| EXPECT_EQ(map_usage.swap, maps[i].usage.swap) << "SWAP mismatch for map: " << maps[i].name; |
| pm_memusage_add(&proc_usage, &map_usage); |
| } |
| |
| EXPECT_EQ(proc_usage.swap, proc_mem->Usage().swap); |
| } |
| |
| TEST_F(ValidateProcMemInfo, TestSwapOffsets) { |
| const MemUsage& proc_usage = proc_mem->Usage(); |
| const std::vector<uint16_t>& swap_offsets = proc_mem->SwapOffsets(); |
| |
| EXPECT_EQ(proc_usage.swap / getpagesize(), swap_offsets.size()); |
| } |
| |
| TEST_F(ValidateProcMemInfo, TestPageMap) { |
| std::vector<uint64_t> pagemap; |
| |
| auto vma_callback = [&](const Vma& vma) { |
| uint64_t* pmap_out; |
| size_t len; |
| ASSERT_EQ(0, pm_process_pagemap_range(proc, vma.start, vma.end, &pmap_out, &len)); |
| ASSERT_TRUE(proc_mem->PageMap(vma, &pagemap)); |
| |
| EXPECT_EQ(len, ((vma.end - vma.start) / getpagesize())); |
| for (size_t i = 0; i < len; i++) { |
| EXPECT_EQ(pmap_out[i], pagemap[i]); |
| } |
| }; |
| ASSERT_TRUE(proc_mem->ForEachVma(vma_callback)); |
| } |
| |
| class ValidateProcMemInfoWss : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| ASSERT_EQ(0, pm_kernel_create(&ker)); |
| ASSERT_EQ(0, pm_process_create(ker, pid, &proc)); |
| proc_mem = new ProcMemInfo(pid, true); |
| ASSERT_NE(proc_mem, nullptr); |
| } |
| |
| void TearDown() override { |
| delete proc_mem; |
| pm_process_destroy(proc); |
| pm_kernel_destroy(ker); |
| } |
| |
| pm_kernel_t* ker; |
| pm_process_t* proc; |
| ProcMemInfo* proc_mem; |
| }; |
| |
| TEST_F(ValidateProcMemInfoWss, TestWorkingTestReset) { |
| // Expect reset to succeed |
| EXPECT_TRUE(ProcMemInfo::ResetWorkingSet(pid)); |
| } |
| |
| TEST_F(ValidateProcMemInfoWss, TestWssEquality) { |
| // Read wss using libpagemap |
| pm_memusage_t wss_pagemap; |
| EXPECT_EQ(0, pm_process_workingset(proc, &wss_pagemap, 0)); |
| |
| // Read wss using libmeminfo |
| MemUsage wss = proc_mem->Wss(); |
| |
| // compare |
| EXPECT_EQ(wss_pagemap.rss, wss.rss); |
| EXPECT_EQ(wss_pagemap.pss, wss.pss); |
| EXPECT_EQ(wss_pagemap.uss, wss.uss); |
| } |
| |
| class ValidatePageAcct : public ::testing::Test { |
| protected: |
| void SetUp() override { |
| ASSERT_EQ(0, pm_kernel_create(&ker)); |
| ASSERT_EQ(0, pm_process_create(ker, pid, &proc)); |
| } |
| |
| void TearDown() override { |
| pm_process_destroy(proc); |
| pm_kernel_destroy(ker); |
| } |
| |
| pm_kernel_t* ker; |
| pm_process_t* proc; |
| }; |
| |
| TEST_F(ValidatePageAcct, TestPageFlags) { |
| PageAcct& pi = PageAcct::Instance(); |
| pi.InitPageAcct(false); |
| |
| uint64_t* pagemap; |
| size_t num_pages; |
| for (size_t i = 0; i < proc->num_maps; i++) { |
| ASSERT_EQ(0, pm_map_pagemap(proc->maps[i], &pagemap, &num_pages)); |
| for (size_t j = 0; j < num_pages; j++) { |
| if (!PM_PAGEMAP_PRESENT(pagemap[j])) continue; |
| |
| uint64_t pfn = PM_PAGEMAP_PFN(pagemap[j]); |
| uint64_t page_flags_pagemap, page_flags_meminfo; |
| |
| ASSERT_EQ(0, pm_kernel_flags(ker, pfn, &page_flags_pagemap)); |
| ASSERT_TRUE(pi.PageFlags(pfn, &page_flags_meminfo)); |
| // check if page flags equal |
| EXPECT_EQ(page_flags_pagemap, page_flags_meminfo); |
| } |
| free(pagemap); |
| } |
| } |
| |
| TEST_F(ValidatePageAcct, TestPageCounts) { |
| PageAcct& pi = PageAcct::Instance(); |
| pi.InitPageAcct(false); |
| |
| uint64_t* pagemap; |
| size_t num_pages; |
| for (size_t i = 0; i < proc->num_maps; i++) { |
| ASSERT_EQ(0, pm_map_pagemap(proc->maps[i], &pagemap, &num_pages)); |
| for (size_t j = 0; j < num_pages; j++) { |
| uint64_t pfn = PM_PAGEMAP_PFN(pagemap[j]); |
| uint64_t map_count_pagemap, map_count_meminfo; |
| |
| ASSERT_EQ(0, pm_kernel_count(ker, pfn, &map_count_pagemap)); |
| ASSERT_TRUE(pi.PageMapCount(pfn, &map_count_meminfo)); |
| // check if map counts are equal |
| EXPECT_EQ(map_count_pagemap, map_count_meminfo); |
| } |
| free(pagemap); |
| } |
| } |
| |
| TEST_F(ValidatePageAcct, TestPageIdle) { |
| // skip the test if idle page tracking isn't enabled |
| if (pm_kernel_init_page_idle(ker) != 0) { |
| return; |
| } |
| |
| PageAcct& pi = PageAcct::Instance(); |
| ASSERT_TRUE(pi.InitPageAcct(true)); |
| |
| uint64_t* pagemap; |
| size_t num_pages; |
| for (size_t i = 0; i < proc->num_maps; i++) { |
| ASSERT_EQ(0, pm_map_pagemap(proc->maps[i], &pagemap, &num_pages)); |
| for (size_t j = 0; j < num_pages; j++) { |
| if (!PM_PAGEMAP_PRESENT(pagemap[j])) continue; |
| uint64_t pfn = PM_PAGEMAP_PFN(pagemap[j]); |
| |
| ASSERT_EQ(0, pm_kernel_mark_page_idle(ker, &pfn, 1)); |
| int idle_status_pagemap = pm_kernel_get_page_idle(ker, pfn); |
| int idle_status_meminfo = pi.IsPageIdle(pfn); |
| EXPECT_EQ(idle_status_pagemap, idle_status_meminfo); |
| } |
| free(pagemap); |
| } |
| } |
| |
| TEST(TestProcMemInfo, MapsEmpty) { |
| ProcMemInfo proc_mem(pid); |
| const std::vector<Vma>& maps = proc_mem.Maps(); |
| EXPECT_GT(maps.size(), 0); |
| } |
| |
| TEST(TestProcMemInfo, 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(TestProcMemInfo, 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(TestProcMemInfo, 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(TestProcMemInfo, IsSmapsSupportedTest) { |
| 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(TestProcMemInfo, SmapsOrRollupTest) { |
| 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(TestProcMemInfo, SmapsOrRollupSmapsTest) { |
| // This is a made up smaps for the test |
| 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(TestProcMemInfo, SmapsOrRollupPssRollupTest) { |
| // This is a made up smaps for the test |
| 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(TestProcMemInfo, SmapsOrRollupPssSmapsTest) { |
| 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(TestProcMemInfo, ForEachVmaFromFileTest) { |
| 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_EQ(vmas[2].name, "[anon:libc_malloc]"); |
| 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(TestProcMemInfo, SmapsReturnTest) { |
| ProcMemInfo proc_mem(pid); |
| auto vmas = proc_mem.Smaps(); |
| EXPECT_FALSE(vmas.empty()); |
| } |
| |
| TEST(TestProcMemInfo, 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_EQ(vmas[2].name, "[anon:libc_malloc]"); |
| 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(ValidateProcMemInfoFlags, TestPageFlags1) { |
| // Create proc object using libpagemap |
| pm_kernel_t* ker; |
| ASSERT_EQ(0, pm_kernel_create(&ker)); |
| pm_process_t* proc; |
| ASSERT_EQ(0, pm_process_create(ker, pid, &proc)); |
| |
| // count swapbacked pages using libpagemap |
| pm_memusage_t proc_usage; |
| pm_memusage_zero(&proc_usage); |
| ASSERT_EQ(0, pm_process_usage_flags(proc, &proc_usage, (1 << KPF_SWAPBACKED), |
| (1 << KPF_SWAPBACKED))); |
| |
| // Create ProcMemInfo that counts swapbacked pages |
| ProcMemInfo proc_mem(pid, false, (1 << KPF_SWAPBACKED), (1 << KPF_SWAPBACKED)); |
| |
| EXPECT_EQ(proc_usage.vss, proc_mem.Usage().vss); |
| EXPECT_EQ(proc_usage.rss, proc_mem.Usage().rss); |
| EXPECT_EQ(proc_usage.pss, proc_mem.Usage().pss); |
| EXPECT_EQ(proc_usage.uss, proc_mem.Usage().uss); |
| |
| pm_process_destroy(proc); |
| pm_kernel_destroy(ker); |
| } |
| |
| TEST(ValidateProcMemInfoFlags, TestPageFlags2) { |
| // Create proc object using libpagemap |
| pm_kernel_t* ker; |
| ASSERT_EQ(0, pm_kernel_create(&ker)); |
| pm_process_t* proc; |
| ASSERT_EQ(0, pm_process_create(ker, pid, &proc)); |
| |
| // count non-swapbacked pages using libpagemap |
| pm_memusage_t proc_usage; |
| pm_memusage_zero(&proc_usage); |
| ASSERT_EQ(0, pm_process_usage_flags(proc, &proc_usage, (1 << KPF_SWAPBACKED), 0)); |
| |
| // Create ProcMemInfo that counts non-swapbacked pages |
| ProcMemInfo proc_mem(pid, false, 0, (1 << KPF_SWAPBACKED)); |
| |
| EXPECT_EQ(proc_usage.vss, proc_mem.Usage().vss); |
| EXPECT_EQ(proc_usage.rss, proc_mem.Usage().rss); |
| EXPECT_EQ(proc_usage.pss, proc_mem.Usage().pss); |
| EXPECT_EQ(proc_usage.uss, proc_mem.Usage().uss); |
| |
| pm_process_destroy(proc); |
| pm_kernel_destroy(ker); |
| } |
| |
| TEST(SysMemInfoParser, 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(SysMemInfoParser, 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(SysMemInfoParser, 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), 30504); |
| |
| std::string zram_memused_dir = exec_dir + "/testdata2/"; |
| EXPECT_EQ(mi.mem_zram_kb(zram_memused_dir), 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(SysMemInfoParser, 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(MEMINFO_COUNT); |
| std::vector<std::string> tags(SysMemInfo::kDefaultSysMemInfoTags); |
| auto it = tags.begin(); |
| tags.insert(it + MEMINFO_ZRAM_TOTAL, "Zram:"); |
| SysMemInfo mi; |
| |
| // Read system memory info |
| EXPECT_TRUE(mi.ReadMemInfo(tags, &mem, file)); |
| |
| 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(SysMemInfoParser, 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), 0); |
| } |
| |
| TEST(SysMemInfoParser, 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), getpagesize()); |
| } |
| |
| TEST(SysMemInfoParser, 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), 6 * getpagesize()); |
| } |
| |
| TEST(SysMemInfoParser, 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), 7 * getpagesize()); |
| } |
| |
| int main(int argc, char** argv) { |
| ::testing::InitGoogleTest(&argc, argv); |
| if (argc <= 1) { |
| cerr << "Pid of a permanently sleeping process must be provided." << endl; |
| exit(EXIT_FAILURE); |
| } |
| ::android::base::InitLogging(argv, android::base::StderrLogger); |
| pid = std::stoi(std::string(argv[1])); |
| return RUN_ALL_TESTS(); |
| } |