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Side by Side Diff: base/trace_event/process_memory_maps_dump_provider_unittest.cc

Issue 1128733002: Update from https://crrev.com/328418 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 7 months ago
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1 // Copyright 2015 The Chromium Authors. All rights reserved. 1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "base/trace_event/process_memory_maps_dump_provider.h" 5 #include "base/trace_event/process_memory_maps_dump_provider.h"
6 6
7 #include <fstream> 7 #include <fstream>
8 #include <sstream> 8 #include <sstream>
9 9
10 #include "base/trace_event/process_memory_dump.h" 10 #include "base/trace_event/process_memory_dump.h"
(...skipping 100 matching lines...) Expand 10 before | Expand all | Expand 10 after
111 const uint32 kProtW = ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite; 111 const uint32 kProtW = ProcessMemoryMaps::VMRegion::kProtectionFlagsWrite;
112 const uint32 kProtX = ProcessMemoryMaps::VMRegion::kProtectionFlagsExec; 112 const uint32 kProtX = ProcessMemoryMaps::VMRegion::kProtectionFlagsExec;
113 113
114 auto pmmdp = ProcessMemoryMapsDumpProvider::GetInstance(); 114 auto pmmdp = ProcessMemoryMapsDumpProvider::GetInstance();
115 115
116 // Emulate a non-existent /proc/self/smaps. 116 // Emulate a non-existent /proc/self/smaps.
117 ProcessMemoryDump pmd_invalid(nullptr /* session_state */); 117 ProcessMemoryDump pmd_invalid(nullptr /* session_state */);
118 std::ifstream non_existent_file("/tmp/does-not-exist"); 118 std::ifstream non_existent_file("/tmp/does-not-exist");
119 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &non_existent_file; 119 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &non_existent_file;
120 CHECK_EQ(false, non_existent_file.good()); 120 CHECK_EQ(false, non_existent_file.good());
121 pmmdp->DumpInto(&pmd_invalid); 121 pmmdp->OnMemoryDump(&pmd_invalid);
122 ASSERT_FALSE(pmd_invalid.has_process_mmaps()); 122 ASSERT_FALSE(pmd_invalid.has_process_mmaps());
123 123
124 // Emulate an empty /proc/self/smaps. 124 // Emulate an empty /proc/self/smaps.
125 std::ifstream empty_file("/dev/null"); 125 std::ifstream empty_file("/dev/null");
126 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &empty_file; 126 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &empty_file;
127 CHECK_EQ(true, empty_file.good()); 127 CHECK_EQ(true, empty_file.good());
128 pmmdp->DumpInto(&pmd_invalid); 128 pmmdp->OnMemoryDump(&pmd_invalid);
129 ASSERT_FALSE(pmd_invalid.has_process_mmaps()); 129 ASSERT_FALSE(pmd_invalid.has_process_mmaps());
130 130
131 // Parse the 1st smaps file. 131 // Parse the 1st smaps file.
132 ProcessMemoryDump pmd_1(nullptr /* session_state */); 132 ProcessMemoryDump pmd_1(nullptr /* session_state */);
133 std::istringstream test_smaps_1(kTestSmaps1); 133 std::istringstream test_smaps_1(kTestSmaps1);
134 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_1; 134 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_1;
135 pmmdp->DumpInto(&pmd_1); 135 pmmdp->OnMemoryDump(&pmd_1);
136 ASSERT_TRUE(pmd_1.has_process_mmaps()); 136 ASSERT_TRUE(pmd_1.has_process_mmaps());
137 const auto& regions_1 = pmd_1.process_mmaps()->vm_regions(); 137 const auto& regions_1 = pmd_1.process_mmaps()->vm_regions();
138 ASSERT_EQ(2UL, regions_1.size()); 138 ASSERT_EQ(2UL, regions_1.size());
139 139
140 EXPECT_EQ(0x00400000UL, regions_1[0].start_address); 140 EXPECT_EQ(0x00400000UL, regions_1[0].start_address);
141 EXPECT_EQ(0x004be000UL - 0x00400000UL, regions_1[0].size_in_bytes); 141 EXPECT_EQ(0x004be000UL - 0x00400000UL, regions_1[0].size_in_bytes);
142 EXPECT_EQ(kProtR | kProtX, regions_1[0].protection_flags); 142 EXPECT_EQ(kProtR | kProtX, regions_1[0].protection_flags);
143 EXPECT_EQ("/file/1", regions_1[0].mapped_file); 143 EXPECT_EQ("/file/1", regions_1[0].mapped_file);
144 EXPECT_EQ(162 * 1024UL, regions_1[0].byte_stats_proportional_resident); 144 EXPECT_EQ(162 * 1024UL, regions_1[0].byte_stats_proportional_resident);
145 EXPECT_EQ((228 + 0) * 1024UL, regions_1[0].byte_stats_shared_resident); 145 EXPECT_EQ((228 + 0) * 1024UL, regions_1[0].byte_stats_shared_resident);
146 EXPECT_EQ((0 + 68) * 1024UL, regions_1[0].byte_stats_private_resident); 146 EXPECT_EQ((0 + 68) * 1024UL, regions_1[0].byte_stats_private_resident);
147 147
148 EXPECT_EQ(0xff000000UL, regions_1[1].start_address); 148 EXPECT_EQ(0xff000000UL, regions_1[1].start_address);
149 EXPECT_EQ(0xff800000UL - 0xff000000UL, regions_1[1].size_in_bytes); 149 EXPECT_EQ(0xff800000UL - 0xff000000UL, regions_1[1].size_in_bytes);
150 EXPECT_EQ(kProtW, regions_1[1].protection_flags); 150 EXPECT_EQ(kProtW, regions_1[1].protection_flags);
151 EXPECT_EQ("/file/name with space", regions_1[1].mapped_file); 151 EXPECT_EQ("/file/name with space", regions_1[1].mapped_file);
152 EXPECT_EQ(128 * 1024UL, regions_1[1].byte_stats_proportional_resident); 152 EXPECT_EQ(128 * 1024UL, regions_1[1].byte_stats_proportional_resident);
153 EXPECT_EQ((120 + 4) * 1024UL, regions_1[1].byte_stats_shared_resident); 153 EXPECT_EQ((120 + 4) * 1024UL, regions_1[1].byte_stats_shared_resident);
154 EXPECT_EQ((60 + 8) * 1024UL, regions_1[1].byte_stats_private_resident); 154 EXPECT_EQ((60 + 8) * 1024UL, regions_1[1].byte_stats_private_resident);
155 155
156 // Parse the 2nd smaps file. 156 // Parse the 2nd smaps file.
157 ProcessMemoryDump pmd_2(nullptr /* session_state */); 157 ProcessMemoryDump pmd_2(nullptr /* session_state */);
158 std::istringstream test_smaps_2(kTestSmaps2); 158 std::istringstream test_smaps_2(kTestSmaps2);
159 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_2; 159 ProcessMemoryMapsDumpProvider::proc_smaps_for_testing = &test_smaps_2;
160 pmmdp->DumpInto(&pmd_2); 160 pmmdp->OnMemoryDump(&pmd_2);
161 ASSERT_TRUE(pmd_2.has_process_mmaps()); 161 ASSERT_TRUE(pmd_2.has_process_mmaps());
162 const auto& regions_2 = pmd_2.process_mmaps()->vm_regions(); 162 const auto& regions_2 = pmd_2.process_mmaps()->vm_regions();
163 ASSERT_EQ(1UL, regions_2.size()); 163 ASSERT_EQ(1UL, regions_2.size());
164 EXPECT_EQ(0x7fe7ce79c000UL, regions_2[0].start_address); 164 EXPECT_EQ(0x7fe7ce79c000UL, regions_2[0].start_address);
165 EXPECT_EQ(0x7fe7ce7a8000UL - 0x7fe7ce79c000UL, regions_2[0].size_in_bytes); 165 EXPECT_EQ(0x7fe7ce7a8000UL - 0x7fe7ce79c000UL, regions_2[0].size_in_bytes);
166 EXPECT_EQ(0U, regions_2[0].protection_flags); 166 EXPECT_EQ(0U, regions_2[0].protection_flags);
167 EXPECT_EQ("", regions_2[0].mapped_file); 167 EXPECT_EQ("", regions_2[0].mapped_file);
168 EXPECT_EQ(32 * 1024UL, regions_2[0].byte_stats_proportional_resident); 168 EXPECT_EQ(32 * 1024UL, regions_2[0].byte_stats_proportional_resident);
169 EXPECT_EQ((16 + 12) * 1024UL, regions_2[0].byte_stats_shared_resident); 169 EXPECT_EQ((16 + 12) * 1024UL, regions_2[0].byte_stats_shared_resident);
170 EXPECT_EQ((8 + 4) * 1024UL, regions_2[0].byte_stats_private_resident); 170 EXPECT_EQ((8 + 4) * 1024UL, regions_2[0].byte_stats_private_resident);
171 } 171 }
172 #endif // defined(OS_LINUX) || defined(OS_ANDROID) 172 #endif // defined(OS_LINUX) || defined(OS_ANDROID)
173 173
174 } // namespace trace_event 174 } // namespace trace_event
175 } // namespace base 175 } // namespace base
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