1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <sys/mman.h>
18 #include <sys/types.h>
19 #include <sys/wait.h>
20 #include <unistd.h>
21
22 #include <gtest/gtest.h>
23
24 #include <filesystem>
25 #include <string>
26 #include <vector>
27
28 #include <meminfo/androidprocheaps.h>
29 #include <meminfo/pageacct.h>
30 #include <meminfo/procmeminfo.h>
31 #include <meminfo/sysmeminfo.h>
32 #include <vintf/VintfObject.h>
33
34 #include <android-base/file.h>
35 #include <android-base/logging.h>
36 #include <android-base/properties.h>
37 #include <android-base/stringprintf.h>
38
39 using namespace std;
40 using namespace android::meminfo;
41 using android::vintf::KernelVersion;
42 using android::vintf::RuntimeInfo;
43 using android::vintf::VintfObject;
44
45 namespace fs = std::filesystem;
46
47 pid_t pid = -1;
48
TEST(ProcMemInfo,TestWorkingTestReset)49 TEST(ProcMemInfo, TestWorkingTestReset) {
50 // Expect reset to succeed
51 EXPECT_TRUE(ProcMemInfo::ResetWorkingSet(pid));
52 }
53
TEST(ProcMemInfo,UsageEmpty)54 TEST(ProcMemInfo, UsageEmpty) {
55 // If we created the object for getting working set,
56 // the usage must be empty
57 ProcMemInfo proc_mem(pid, true);
58 const MemUsage& usage = proc_mem.Usage();
59 EXPECT_EQ(usage.rss, 0);
60 EXPECT_EQ(usage.vss, 0);
61 EXPECT_EQ(usage.pss, 0);
62 EXPECT_EQ(usage.uss, 0);
63 EXPECT_EQ(usage.swap, 0);
64 }
65
TEST(ProcMemInfo,MapsNotEmpty)66 TEST(ProcMemInfo, MapsNotEmpty) {
67 // Make sure the process maps are never empty
68 ProcMemInfo proc_mem(pid);
69 const std::vector<Vma>& maps = proc_mem.Maps();
70 EXPECT_FALSE(maps.empty());
71 }
72
TEST(ProcMemInfo,MapsUsageNotEmpty)73 TEST(ProcMemInfo, MapsUsageNotEmpty) {
74 ProcMemInfo proc_mem(pid);
75 const std::vector<Vma>& maps = proc_mem.Maps();
76 EXPECT_FALSE(maps.empty());
77 uint64_t total_pss = 0;
78 uint64_t total_rss = 0;
79 uint64_t total_uss = 0;
80 for (auto& map : maps) {
81 ASSERT_NE(0, map.usage.vss);
82 total_rss += map.usage.rss;
83 total_pss += map.usage.pss;
84 total_uss += map.usage.uss;
85 }
86
87 // Crude check that stats are actually being read.
88 EXPECT_NE(0, total_rss) << "RSS zero for all maps, that is not possible.";
89 EXPECT_NE(0, total_pss) << "PSS zero for all maps, that is not possible.";
90 EXPECT_NE(0, total_uss) << "USS zero for all maps, that is not possible.";
91 }
92
TEST(ProcMemInfo,MapsUsageEmpty)93 TEST(ProcMemInfo, MapsUsageEmpty) {
94 ProcMemInfo proc_mem(pid);
95 const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats();
96 EXPECT_FALSE(maps.empty());
97 // Verify that all usage stats are zero in every map.
98 for (auto& map : maps) {
99 ASSERT_EQ(0, map.usage.vss);
100 ASSERT_EQ(0, map.usage.rss);
101 ASSERT_EQ(0, map.usage.pss);
102 ASSERT_EQ(0, map.usage.uss);
103 ASSERT_EQ(0, map.usage.swap);
104 ASSERT_EQ(0, map.usage.swap_pss);
105 ASSERT_EQ(0, map.usage.private_clean);
106 ASSERT_EQ(0, map.usage.private_dirty);
107 ASSERT_EQ(0, map.usage.shared_clean);
108 ASSERT_EQ(0, map.usage.shared_dirty);
109 }
110 }
111
TEST(ProcMemInfo,MapsUsageFillInLater)112 TEST(ProcMemInfo, MapsUsageFillInLater) {
113 ProcMemInfo proc_mem(pid);
114 const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats();
115 EXPECT_FALSE(maps.empty());
116 for (auto& map : maps) {
117 Vma update_map(map);
118 ASSERT_EQ(map.start, update_map.start);
119 ASSERT_EQ(map.end, update_map.end);
120 ASSERT_EQ(map.offset, update_map.offset);
121 ASSERT_EQ(map.flags, update_map.flags);
122 ASSERT_EQ(map.name, update_map.name);
123 ASSERT_EQ(0, update_map.usage.vss);
124 ASSERT_EQ(0, update_map.usage.rss);
125 ASSERT_EQ(0, update_map.usage.pss);
126 ASSERT_EQ(0, update_map.usage.uss);
127 ASSERT_EQ(0, update_map.usage.swap);
128 ASSERT_EQ(0, update_map.usage.swap_pss);
129 ASSERT_EQ(0, update_map.usage.private_clean);
130 ASSERT_EQ(0, update_map.usage.private_dirty);
131 ASSERT_EQ(0, update_map.usage.shared_clean);
132 ASSERT_EQ(0, update_map.usage.shared_dirty);
133 ASSERT_TRUE(proc_mem.FillInVmaStats(update_map));
134 // Check that at least one usage stat was updated.
135 ASSERT_NE(0, update_map.usage.vss);
136 }
137 }
138
TEST(ProcMemInfo,MapsUsageFillInAll)139 TEST(ProcMemInfo, MapsUsageFillInAll) {
140 ProcMemInfo proc_mem(pid);
141 const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats();
142 EXPECT_FALSE(maps.empty());
143 for (auto& map : maps) {
144 ASSERT_EQ(0, map.usage.vss);
145 ASSERT_EQ(0, map.usage.rss);
146 ASSERT_EQ(0, map.usage.pss);
147 ASSERT_EQ(0, map.usage.uss);
148 ASSERT_EQ(0, map.usage.swap);
149 ASSERT_EQ(0, map.usage.swap_pss);
150 ASSERT_EQ(0, map.usage.private_clean);
151 ASSERT_EQ(0, map.usage.private_dirty);
152 ASSERT_EQ(0, map.usage.shared_clean);
153 ASSERT_EQ(0, map.usage.shared_dirty);
154 }
155 // GetUsageStats' non-default parameter get_wss is false by default in
156 // ProcMemInfo's constructor.
157 ASSERT_TRUE(proc_mem.GetUsageStats(false));
158 for (auto& map : maps) {
159 // Check that at least one usage stat was updated.
160 ASSERT_NE(0, map.usage.vss);
161 }
162 }
163
TEST(ProcMemInfo,PageMapPresent)164 TEST(ProcMemInfo, PageMapPresent) {
165 static constexpr size_t kNumPages = 20;
166 size_t pagesize = getpagesize();
167 void* ptr = mmap(nullptr, pagesize * (kNumPages + 2), PROT_READ | PROT_WRITE,
168 MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
169 ASSERT_NE(MAP_FAILED, ptr);
170
171 // Unmap the first page and the last page so that we guarantee this
172 // map is in a map by itself.
173 ASSERT_EQ(0, munmap(ptr, pagesize));
174 uintptr_t addr = reinterpret_cast<uintptr_t>(ptr) + pagesize;
175 ASSERT_EQ(0, munmap(reinterpret_cast<void*>(addr + kNumPages * pagesize), pagesize));
176
177 ProcMemInfo proc_mem(getpid());
178 const std::vector<Vma>& maps = proc_mem.MapsWithoutUsageStats();
179 ASSERT_FALSE(maps.empty());
180
181 // Find the vma associated with our previously created map.
182 const Vma* test_vma = nullptr;
183 for (const Vma& vma : maps) {
184 if (vma.start == addr) {
185 test_vma = &vma;
186 break;
187 }
188 }
189 ASSERT_TRUE(test_vma != nullptr) << "Cannot find test map.";
190
191 // Verify that none of the pages are listed as present.
192 std::vector<uint64_t> pagemap;
193 ASSERT_TRUE(proc_mem.PageMap(*test_vma, &pagemap));
194 ASSERT_EQ(kNumPages, pagemap.size());
195 for (size_t i = 0; i < pagemap.size(); i++) {
196 EXPECT_FALSE(android::meminfo::page_present(pagemap[i]))
197 << "Page " << i << " is present and it should not be.";
198 }
199
200 // Make some of the pages present and verify that we see them
201 // as present.
202 uint8_t* data = reinterpret_cast<uint8_t*>(addr);
203 data[0] = 1;
204 data[pagesize * 5] = 1;
205 data[pagesize * 11] = 1;
206
207 ASSERT_TRUE(proc_mem.PageMap(*test_vma, &pagemap));
208 ASSERT_EQ(kNumPages, pagemap.size());
209 for (size_t i = 0; i < pagemap.size(); i++) {
210 if (i == 0 || i == 5 || i == 11) {
211 EXPECT_TRUE(android::meminfo::page_present(pagemap[i]))
212 << "Page " << i << " is not present and it should be.";
213 } else {
214 EXPECT_FALSE(android::meminfo::page_present(pagemap[i]))
215 << "Page " << i << " is present and it should not be.";
216 }
217 }
218
219 ASSERT_EQ(0, munmap(reinterpret_cast<void*>(addr), kNumPages * pagesize));
220 }
221
TEST(ProcMemInfo,WssEmpty)222 TEST(ProcMemInfo, WssEmpty) {
223 // If we created the object for getting usage,
224 // the working set must be empty
225 ProcMemInfo proc_mem(pid, false);
226 const MemUsage& wss = proc_mem.Wss();
227 EXPECT_EQ(wss.rss, 0);
228 EXPECT_EQ(wss.vss, 0);
229 EXPECT_EQ(wss.pss, 0);
230 EXPECT_EQ(wss.uss, 0);
231 EXPECT_EQ(wss.swap, 0);
232 }
233
TEST(ProcMemInfo,SwapOffsetsEmpty)234 TEST(ProcMemInfo, SwapOffsetsEmpty) {
235 // If we created the object for getting working set,
236 // the swap offsets must be empty
237 ProcMemInfo proc_mem(pid, true);
238 const std::vector<uint64_t>& swap_offsets = proc_mem.SwapOffsets();
239 EXPECT_EQ(swap_offsets.size(), 0);
240 }
241
TEST(ProcMemInfo,IsSmapsSupportedTest)242 TEST(ProcMemInfo, IsSmapsSupportedTest) {
243 // Check if /proc/self/smaps_rollup exists using the API.
244 bool supported = IsSmapsRollupSupported();
245 EXPECT_EQ(!access("/proc/self/smaps_rollup", F_OK | R_OK), supported);
246 }
247
TEST(ProcMemInfo,SmapsOrRollupTest)248 TEST(ProcMemInfo, SmapsOrRollupTest) {
249 // Make sure we can parse 'smaps_rollup' correctly
250 std::string rollup =
251 R"rollup(12c00000-7fe859e000 ---p 00000000 00:00 0 [rollup]
252 Rss: 331908 kB
253 Pss: 202052 kB
254 Shared_Clean: 158492 kB
255 Shared_Dirty: 18928 kB
256 Private_Clean: 90472 kB
257 Private_Dirty: 64016 kB
258 Referenced: 318700 kB
259 Anonymous: 81984 kB
260 AnonHugePages: 0 kB
261 Shared_Hugetlb: 0 kB
262 Private_Hugetlb: 0 kB
263 Swap: 5344 kB
264 SwapPss: 442 kB
265 Locked: 1523537 kB)rollup";
266
267 TemporaryFile tf;
268 ASSERT_TRUE(tf.fd != -1);
269 ASSERT_TRUE(::android::base::WriteStringToFd(rollup, tf.fd));
270
271 MemUsage stats;
272 ASSERT_EQ(SmapsOrRollupFromFile(tf.path, &stats), true);
273 EXPECT_EQ(stats.rss, 331908);
274 EXPECT_EQ(stats.pss, 202052);
275 EXPECT_EQ(stats.uss, 154488);
276 EXPECT_EQ(stats.private_clean, 90472);
277 EXPECT_EQ(stats.private_dirty, 64016);
278 EXPECT_EQ(stats.swap_pss, 442);
279 }
280
TEST(ProcMemInfo,SmapsOrRollupSmapsTest)281 TEST(ProcMemInfo, SmapsOrRollupSmapsTest) {
282 // Make sure /proc/<pid>/smaps is parsed correctly
283 std::string smaps =
284 R"smaps(12c00000-13440000 rw-p 00000000 00:00 0 [anon:dalvik-main space (region space)]
285 Name: [anon:dalvik-main space (region space)]
286 Size: 8448 kB
287 KernelPageSize: 4 kB
288 MMUPageSize: 4 kB
289 Rss: 2652 kB
290 Pss: 2652 kB
291 Shared_Clean: 840 kB
292 Shared_Dirty: 40 kB
293 Private_Clean: 84 kB
294 Private_Dirty: 2652 kB
295 Referenced: 2652 kB
296 Anonymous: 2652 kB
297 AnonHugePages: 0 kB
298 ShmemPmdMapped: 0 kB
299 Shared_Hugetlb: 0 kB
300 Private_Hugetlb: 0 kB
301 Swap: 102 kB
302 SwapPss: 70 kB
303 Locked: 2652 kB
304 VmFlags: rd wr mr mw me ac
305 )smaps";
306
307 TemporaryFile tf;
308 ASSERT_TRUE(tf.fd != -1);
309 ASSERT_TRUE(::android::base::WriteStringToFd(smaps, tf.fd));
310
311 MemUsage stats;
312 ASSERT_EQ(SmapsOrRollupFromFile(tf.path, &stats), true);
313 EXPECT_EQ(stats.rss, 2652);
314 EXPECT_EQ(stats.pss, 2652);
315 EXPECT_EQ(stats.uss, 2736);
316 EXPECT_EQ(stats.private_clean, 84);
317 EXPECT_EQ(stats.private_dirty, 2652);
318 EXPECT_EQ(stats.swap_pss, 70);
319 }
320
TEST(ProcMemInfo,SmapsOrRollupPssRollupTest)321 TEST(ProcMemInfo, SmapsOrRollupPssRollupTest) {
322 // Make sure /proc/<pid>/smaps is parsed correctly
323 // to get the PSS
324 std::string smaps =
325 R"smaps(12c00000-13440000 rw-p 00000000 00:00 0 [anon:dalvik-main space (region space)]
326 Name: [anon:dalvik-main space (region space)]
327 Size: 8448 kB
328 KernelPageSize: 4 kB
329 MMUPageSize: 4 kB
330 Rss: 2652 kB
331 Pss: 2652 kB
332 Shared_Clean: 840 kB
333 Shared_Dirty: 40 kB
334 Private_Clean: 84 kB
335 Private_Dirty: 2652 kB
336 Referenced: 2652 kB
337 Anonymous: 2652 kB
338 AnonHugePages: 0 kB
339 ShmemPmdMapped: 0 kB
340 Shared_Hugetlb: 0 kB
341 Private_Hugetlb: 0 kB
342 Swap: 102 kB
343 SwapPss: 70 kB
344 Locked: 2652 kB
345 VmFlags: rd wr mr mw me ac
346 )smaps";
347
348 TemporaryFile tf;
349 ASSERT_TRUE(tf.fd != -1);
350 ASSERT_TRUE(::android::base::WriteStringToFd(smaps, tf.fd));
351
352 uint64_t pss;
353 ASSERT_EQ(SmapsOrRollupPssFromFile(tf.path, &pss), true);
354 EXPECT_EQ(pss, 2652);
355 }
356
TEST(ProcMemInfo,SmapsOrRollupPssSmapsTest)357 TEST(ProcMemInfo, SmapsOrRollupPssSmapsTest) {
358 // Correctly parse smaps file to gather pss
359 std::string exec_dir = ::android::base::GetExecutableDirectory();
360 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str());
361
362 uint64_t pss;
363 ASSERT_EQ(SmapsOrRollupPssFromFile(path, &pss), true);
364 EXPECT_EQ(pss, 19119);
365 }
366
TEST(ProcMemInfo,StatusVmRSSTest)367 TEST(ProcMemInfo, StatusVmRSSTest) {
368 std::string exec_dir = ::android::base::GetExecutableDirectory();
369 std::string path = ::android::base::StringPrintf("%s/testdata1/status", exec_dir.c_str());
370
371 uint64_t rss;
372 ASSERT_EQ(StatusVmRSSFromFile(path, &rss), true);
373 EXPECT_EQ(rss, 730764);
374 }
375
TEST(ProcMemInfo,StatusVmRSSBogusFileTest)376 TEST(ProcMemInfo, StatusVmRSSBogusFileTest) {
377 std::string exec_dir = ::android::base::GetExecutableDirectory();
378 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps", exec_dir.c_str());
379
380 uint64_t rss;
381 ASSERT_EQ(StatusVmRSSFromFile(path, &rss), false);
382 }
383
TEST(ProcMemInfo,ForEachExistingVmaTest)384 TEST(ProcMemInfo, ForEachExistingVmaTest) {
385 std::string exec_dir = ::android::base::GetExecutableDirectory();
386 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str());
387 ProcMemInfo proc_mem(pid);
388 // Populate maps_.
389 proc_mem.Smaps(path);
390 std::vector<Vma> vmas;
391 auto collect_vmas = [&](const Vma& v) {
392 vmas.push_back(v);
393 return true;
394 };
395 EXPECT_TRUE(proc_mem.ForEachExistingVma(collect_vmas));
396
397 // The size of vmas is not checked because Smaps() will return 5 vmas on x86
398 // and 6 vmas otherwise, as [vsyscall] is not processed on x86.
399
400 // Expect values to be equal to what we have in testdata1/smaps_short
401 // Check for names
402 EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]");
403 EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art");
404 EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" ||
405 vmas[2].name.starts_with("[anon:scudo:"))
406 << "Unknown map name " << vmas[2].name;
407 EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex");
408 EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so");
409
410 // Check start address
411 EXPECT_EQ(vmas[0].start, 0x54c00000);
412 EXPECT_EQ(vmas[1].start, 0x701ea000);
413 EXPECT_EQ(vmas[2].start, 0x70074dd8d000);
414 EXPECT_EQ(vmas[3].start, 0x700755a2d000);
415 EXPECT_EQ(vmas[4].start, 0x7007f85b0000);
416
417 // Check end address
418 EXPECT_EQ(vmas[0].end, 0x56c00000);
419 EXPECT_EQ(vmas[1].end, 0x70cdb000);
420 EXPECT_EQ(vmas[2].end, 0x70074ee0d000);
421 EXPECT_EQ(vmas[3].end, 0x700755a6e000);
422 EXPECT_EQ(vmas[4].end, 0x7007f8b9b000);
423
424 // Check Flags
425 EXPECT_EQ(vmas[0].flags, PROT_READ | PROT_EXEC);
426 EXPECT_EQ(vmas[1].flags, PROT_READ | PROT_WRITE);
427 EXPECT_EQ(vmas[2].flags, PROT_READ | PROT_WRITE);
428 EXPECT_EQ(vmas[3].flags, PROT_READ | PROT_EXEC);
429 EXPECT_EQ(vmas[4].flags, PROT_READ | PROT_EXEC);
430
431 // Check Shared
432 EXPECT_FALSE(vmas[0].is_shared);
433 EXPECT_FALSE(vmas[1].is_shared);
434 EXPECT_FALSE(vmas[2].is_shared);
435 EXPECT_FALSE(vmas[3].is_shared);
436 EXPECT_FALSE(vmas[4].is_shared);
437
438 // Check Offset
439 EXPECT_EQ(vmas[0].offset, 0x0);
440 EXPECT_EQ(vmas[1].offset, 0x0);
441 EXPECT_EQ(vmas[2].offset, 0x0);
442 EXPECT_EQ(vmas[3].offset, 0x00016000);
443 EXPECT_EQ(vmas[4].offset, 0x001ee000);
444
445 // Check Inode
446 EXPECT_EQ(vmas[0].inode, 0);
447 EXPECT_EQ(vmas[1].inode, 3165);
448 EXPECT_EQ(vmas[2].inode, 0);
449 EXPECT_EQ(vmas[3].inode, 1947);
450 EXPECT_EQ(vmas[4].inode, 1537);
451
452 // Check smaps specific fields
453 ASSERT_EQ(vmas[0].usage.vss, 32768);
454 EXPECT_EQ(vmas[1].usage.vss, 11204);
455 EXPECT_EQ(vmas[2].usage.vss, 16896);
456 EXPECT_EQ(vmas[3].usage.vss, 260);
457 EXPECT_EQ(vmas[4].usage.vss, 6060);
458
459 EXPECT_EQ(vmas[0].usage.rss, 2048);
460 EXPECT_EQ(vmas[1].usage.rss, 11188);
461 EXPECT_EQ(vmas[2].usage.rss, 15272);
462 EXPECT_EQ(vmas[3].usage.rss, 260);
463 EXPECT_EQ(vmas[4].usage.rss, 4132);
464
465 EXPECT_EQ(vmas[0].usage.pss, 113);
466 EXPECT_EQ(vmas[1].usage.pss, 2200);
467 EXPECT_EQ(vmas[2].usage.pss, 15272);
468 EXPECT_EQ(vmas[3].usage.pss, 260);
469 EXPECT_EQ(vmas[4].usage.pss, 1274);
470
471 EXPECT_EQ(vmas[0].usage.uss, 0);
472 EXPECT_EQ(vmas[1].usage.uss, 1660);
473 EXPECT_EQ(vmas[2].usage.uss, 15272);
474 EXPECT_EQ(vmas[3].usage.uss, 260);
475 EXPECT_EQ(vmas[4].usage.uss, 0);
476
477 EXPECT_EQ(vmas[0].usage.private_clean, 0);
478 EXPECT_EQ(vmas[1].usage.private_clean, 0);
479 EXPECT_EQ(vmas[2].usage.private_clean, 0);
480 EXPECT_EQ(vmas[3].usage.private_clean, 260);
481 EXPECT_EQ(vmas[4].usage.private_clean, 0);
482
483 EXPECT_EQ(vmas[0].usage.private_dirty, 0);
484 EXPECT_EQ(vmas[1].usage.private_dirty, 1660);
485 EXPECT_EQ(vmas[2].usage.private_dirty, 15272);
486 EXPECT_EQ(vmas[3].usage.private_dirty, 0);
487 EXPECT_EQ(vmas[4].usage.private_dirty, 0);
488
489 EXPECT_EQ(vmas[0].usage.shared_clean, 0);
490 EXPECT_EQ(vmas[1].usage.shared_clean, 80);
491 EXPECT_EQ(vmas[2].usage.shared_clean, 0);
492 EXPECT_EQ(vmas[3].usage.shared_clean, 0);
493 EXPECT_EQ(vmas[4].usage.shared_clean, 4132);
494
495 EXPECT_EQ(vmas[0].usage.shared_dirty, 2048);
496 EXPECT_EQ(vmas[1].usage.shared_dirty, 9448);
497 EXPECT_EQ(vmas[2].usage.shared_dirty, 0);
498 EXPECT_EQ(vmas[3].usage.shared_dirty, 0);
499 EXPECT_EQ(vmas[4].usage.shared_dirty, 0);
500
501 EXPECT_EQ(vmas[0].usage.swap, 0);
502 EXPECT_EQ(vmas[1].usage.swap, 0);
503 EXPECT_EQ(vmas[2].usage.swap, 0);
504 EXPECT_EQ(vmas[3].usage.swap, 0);
505 EXPECT_EQ(vmas[4].usage.swap, 0);
506
507 EXPECT_EQ(vmas[0].usage.swap_pss, 0);
508 EXPECT_EQ(vmas[1].usage.swap_pss, 0);
509 EXPECT_EQ(vmas[2].usage.swap_pss, 0);
510 EXPECT_EQ(vmas[3].usage.swap_pss, 0);
511 EXPECT_EQ(vmas[4].usage.swap_pss, 0);
512
513 #ifndef __x86_64__
514 // vmas[5] will not exist on x86, as [vsyscall] would not be processed.
515 EXPECT_EQ(vmas[5].name, "[vsyscall]");
516 EXPECT_EQ(vmas[5].start, 0xffffffffff600000);
517 EXPECT_EQ(vmas[5].end, 0xffffffffff601000);
518 EXPECT_EQ(vmas[5].flags, PROT_READ | PROT_EXEC);
519 EXPECT_FALSE(vmas[5].is_shared);
520 EXPECT_EQ(vmas[5].offset, 0x0);
521 EXPECT_EQ(vmas[5].inode, 0);
522 EXPECT_EQ(vmas[5].usage.vss, 4);
523 EXPECT_EQ(vmas[5].usage.rss, 0);
524 EXPECT_EQ(vmas[5].usage.pss, 0);
525 EXPECT_EQ(vmas[5].usage.uss, 0);
526 EXPECT_EQ(vmas[5].usage.private_clean, 0);
527 EXPECT_EQ(vmas[5].usage.private_dirty, 0);
528 EXPECT_EQ(vmas[5].usage.shared_clean, 0);
529 EXPECT_EQ(vmas[5].usage.shared_dirty, 0);
530 EXPECT_EQ(vmas[5].usage.swap, 0);
531 EXPECT_EQ(vmas[5].usage.swap_pss, 0);
532 #endif
533 }
534
TEST(ProcMemInfo,ForEachVmaFromFile_SmapsTest)535 TEST(ProcMemInfo, ForEachVmaFromFile_SmapsTest) {
536 // Parse smaps file correctly to make callbacks for each virtual memory area (vma)
537 std::string exec_dir = ::android::base::GetExecutableDirectory();
538 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str());
539 ProcMemInfo proc_mem(pid);
540
541 std::vector<Vma> vmas;
542 auto collect_vmas = [&](const Vma& v) {
543 vmas.push_back(v);
544 return true;
545 };
546 ASSERT_TRUE(ForEachVmaFromFile(path, collect_vmas));
547
548 // We should get a total of 6 vmas
549 ASSERT_EQ(vmas.size(), 6);
550
551 // Expect values to be equal to what we have in testdata1/smaps_short
552 // Check for names
553 EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]");
554 EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art");
555 EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" ||
556 vmas[2].name.starts_with("[anon:scudo:"))
557 << "Unknown map name " << vmas[2].name;
558 EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex");
559 EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so");
560 EXPECT_EQ(vmas[5].name, "[vsyscall]");
561
562 // Check start address
563 EXPECT_EQ(vmas[0].start, 0x54c00000);
564 EXPECT_EQ(vmas[1].start, 0x701ea000);
565 EXPECT_EQ(vmas[2].start, 0x70074dd8d000);
566 EXPECT_EQ(vmas[3].start, 0x700755a2d000);
567 EXPECT_EQ(vmas[4].start, 0x7007f85b0000);
568 EXPECT_EQ(vmas[5].start, 0xffffffffff600000);
569
570 // Check end address
571 EXPECT_EQ(vmas[0].end, 0x56c00000);
572 EXPECT_EQ(vmas[1].end, 0x70cdb000);
573 EXPECT_EQ(vmas[2].end, 0x70074ee0d000);
574 EXPECT_EQ(vmas[3].end, 0x700755a6e000);
575 EXPECT_EQ(vmas[4].end, 0x7007f8b9b000);
576 EXPECT_EQ(vmas[5].end, 0xffffffffff601000);
577
578 // Check Flags
579 EXPECT_EQ(vmas[0].flags, PROT_READ | PROT_EXEC);
580 EXPECT_EQ(vmas[1].flags, PROT_READ | PROT_WRITE);
581 EXPECT_EQ(vmas[2].flags, PROT_READ | PROT_WRITE);
582 EXPECT_EQ(vmas[3].flags, PROT_READ | PROT_EXEC);
583 EXPECT_EQ(vmas[4].flags, PROT_READ | PROT_EXEC);
584 EXPECT_EQ(vmas[5].flags, PROT_READ | PROT_EXEC);
585
586 // Check Shared
587 EXPECT_FALSE(vmas[0].is_shared);
588 EXPECT_FALSE(vmas[1].is_shared);
589 EXPECT_FALSE(vmas[2].is_shared);
590 EXPECT_FALSE(vmas[3].is_shared);
591 EXPECT_FALSE(vmas[4].is_shared);
592 EXPECT_FALSE(vmas[5].is_shared);
593
594 // Check Offset
595 EXPECT_EQ(vmas[0].offset, 0x0);
596 EXPECT_EQ(vmas[1].offset, 0x0);
597 EXPECT_EQ(vmas[2].offset, 0x0);
598 EXPECT_EQ(vmas[3].offset, 0x00016000);
599 EXPECT_EQ(vmas[4].offset, 0x001ee000);
600 EXPECT_EQ(vmas[5].offset, 0x0);
601
602 // Check Inode
603 EXPECT_EQ(vmas[0].inode, 0);
604 EXPECT_EQ(vmas[1].inode, 3165);
605 EXPECT_EQ(vmas[2].inode, 0);
606 EXPECT_EQ(vmas[3].inode, 1947);
607 EXPECT_EQ(vmas[4].inode, 1537);
608 EXPECT_EQ(vmas[5].inode, 0);
609
610 // Check smaps specific fields
611 ASSERT_EQ(vmas[0].usage.vss, 32768);
612 EXPECT_EQ(vmas[1].usage.vss, 11204);
613 EXPECT_EQ(vmas[2].usage.vss, 16896);
614 EXPECT_EQ(vmas[3].usage.vss, 260);
615 EXPECT_EQ(vmas[4].usage.vss, 6060);
616 EXPECT_EQ(vmas[5].usage.vss, 4);
617
618 EXPECT_EQ(vmas[0].usage.rss, 2048);
619 EXPECT_EQ(vmas[1].usage.rss, 11188);
620 EXPECT_EQ(vmas[2].usage.rss, 15272);
621 EXPECT_EQ(vmas[3].usage.rss, 260);
622 EXPECT_EQ(vmas[4].usage.rss, 4132);
623 EXPECT_EQ(vmas[5].usage.rss, 0);
624
625 EXPECT_EQ(vmas[0].usage.pss, 113);
626 EXPECT_EQ(vmas[1].usage.pss, 2200);
627 EXPECT_EQ(vmas[2].usage.pss, 15272);
628 EXPECT_EQ(vmas[3].usage.pss, 260);
629 EXPECT_EQ(vmas[4].usage.pss, 1274);
630 EXPECT_EQ(vmas[5].usage.pss, 0);
631
632 EXPECT_EQ(vmas[0].usage.uss, 0);
633 EXPECT_EQ(vmas[1].usage.uss, 1660);
634 EXPECT_EQ(vmas[2].usage.uss, 15272);
635 EXPECT_EQ(vmas[3].usage.uss, 260);
636 EXPECT_EQ(vmas[4].usage.uss, 0);
637 EXPECT_EQ(vmas[5].usage.uss, 0);
638
639 EXPECT_EQ(vmas[0].usage.private_clean, 0);
640 EXPECT_EQ(vmas[1].usage.private_clean, 0);
641 EXPECT_EQ(vmas[2].usage.private_clean, 0);
642 EXPECT_EQ(vmas[3].usage.private_clean, 260);
643 EXPECT_EQ(vmas[4].usage.private_clean, 0);
644 EXPECT_EQ(vmas[5].usage.private_clean, 0);
645
646 EXPECT_EQ(vmas[0].usage.private_dirty, 0);
647 EXPECT_EQ(vmas[1].usage.private_dirty, 1660);
648 EXPECT_EQ(vmas[2].usage.private_dirty, 15272);
649 EXPECT_EQ(vmas[3].usage.private_dirty, 0);
650 EXPECT_EQ(vmas[4].usage.private_dirty, 0);
651 EXPECT_EQ(vmas[5].usage.private_dirty, 0);
652
653 EXPECT_EQ(vmas[0].usage.shared_clean, 0);
654 EXPECT_EQ(vmas[1].usage.shared_clean, 80);
655 EXPECT_EQ(vmas[2].usage.shared_clean, 0);
656 EXPECT_EQ(vmas[3].usage.shared_clean, 0);
657 EXPECT_EQ(vmas[4].usage.shared_clean, 4132);
658 EXPECT_EQ(vmas[5].usage.shared_clean, 0);
659
660 EXPECT_EQ(vmas[0].usage.shared_dirty, 2048);
661 EXPECT_EQ(vmas[1].usage.shared_dirty, 9448);
662 EXPECT_EQ(vmas[2].usage.shared_dirty, 0);
663 EXPECT_EQ(vmas[3].usage.shared_dirty, 0);
664 EXPECT_EQ(vmas[4].usage.shared_dirty, 0);
665 EXPECT_EQ(vmas[5].usage.shared_dirty, 0);
666
667 EXPECT_EQ(vmas[0].usage.swap, 0);
668 EXPECT_EQ(vmas[1].usage.swap, 0);
669 EXPECT_EQ(vmas[2].usage.swap, 0);
670 EXPECT_EQ(vmas[3].usage.swap, 0);
671 EXPECT_EQ(vmas[4].usage.swap, 0);
672 EXPECT_EQ(vmas[5].usage.swap, 0);
673
674 EXPECT_EQ(vmas[0].usage.swap_pss, 0);
675 EXPECT_EQ(vmas[1].usage.swap_pss, 0);
676 EXPECT_EQ(vmas[2].usage.swap_pss, 0);
677 EXPECT_EQ(vmas[3].usage.swap_pss, 0);
678 EXPECT_EQ(vmas[4].usage.swap_pss, 0);
679 EXPECT_EQ(vmas[5].usage.swap_pss, 0);
680 }
681
TEST(ProcMemInfo,ForEachVmaFromFile_MapsTest)682 TEST(ProcMemInfo, ForEachVmaFromFile_MapsTest) {
683 // Parse maps file correctly to make callbacks for each virtual memory area (vma)
684 std::string exec_dir = ::android::base::GetExecutableDirectory();
685 std::string path = ::android::base::StringPrintf("%s/testdata1/maps_short", exec_dir.c_str());
686 ProcMemInfo proc_mem(pid);
687
688 std::vector<Vma> vmas;
689 auto collect_vmas = [&](const Vma& v) {
690 vmas.push_back(v);
691 return true;
692 };
693 ASSERT_TRUE(ForEachVmaFromFile(path, collect_vmas, false));
694
695 // We should get a total of 6 vmas
696 ASSERT_EQ(vmas.size(), 6);
697
698 // Expect values to be equal to what we have in testdata1/maps_short
699 // Check for names
700 EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]");
701 EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art");
702 EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" ||
703 vmas[2].name.starts_with("[anon:scudo:"))
704 << "Unknown map name " << vmas[2].name;
705 EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex");
706 EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so");
707 EXPECT_EQ(vmas[5].name, "[vsyscall]");
708
709 // Check start address
710 EXPECT_EQ(vmas[0].start, 0x54c00000);
711 EXPECT_EQ(vmas[1].start, 0x701ea000);
712 EXPECT_EQ(vmas[2].start, 0x70074dd8d000);
713 EXPECT_EQ(vmas[3].start, 0x700755a2d000);
714 EXPECT_EQ(vmas[4].start, 0x7007f85b0000);
715 EXPECT_EQ(vmas[5].start, 0xffffffffff600000);
716
717 // Check end address
718 EXPECT_EQ(vmas[0].end, 0x56c00000);
719 EXPECT_EQ(vmas[1].end, 0x70cdb000);
720 EXPECT_EQ(vmas[2].end, 0x70074ee0d000);
721 EXPECT_EQ(vmas[3].end, 0x700755a6e000);
722 EXPECT_EQ(vmas[4].end, 0x7007f8b9b000);
723 EXPECT_EQ(vmas[5].end, 0xffffffffff601000);
724
725 // Check Flags
726 EXPECT_EQ(vmas[0].flags, PROT_READ | PROT_EXEC);
727 EXPECT_EQ(vmas[1].flags, PROT_READ | PROT_WRITE);
728 EXPECT_EQ(vmas[2].flags, PROT_READ | PROT_WRITE);
729 EXPECT_EQ(vmas[3].flags, PROT_READ | PROT_EXEC);
730 EXPECT_EQ(vmas[4].flags, PROT_READ | PROT_EXEC);
731 EXPECT_EQ(vmas[5].flags, PROT_READ | PROT_EXEC);
732
733 // Check Shared
734 EXPECT_FALSE(vmas[0].is_shared);
735 EXPECT_FALSE(vmas[1].is_shared);
736 EXPECT_FALSE(vmas[2].is_shared);
737 EXPECT_FALSE(vmas[3].is_shared);
738 EXPECT_FALSE(vmas[4].is_shared);
739 EXPECT_FALSE(vmas[5].is_shared);
740
741 // Check Offset
742 EXPECT_EQ(vmas[0].offset, 0x0);
743 EXPECT_EQ(vmas[1].offset, 0x0);
744 EXPECT_EQ(vmas[2].offset, 0x0);
745 EXPECT_EQ(vmas[3].offset, 0x00016000);
746 EXPECT_EQ(vmas[4].offset, 0x001ee000);
747 EXPECT_EQ(vmas[5].offset, 0x0);
748
749 // Check Inode
750 EXPECT_EQ(vmas[0].inode, 0);
751 EXPECT_EQ(vmas[1].inode, 3165);
752 EXPECT_EQ(vmas[2].inode, 0);
753 EXPECT_EQ(vmas[3].inode, 1947);
754 EXPECT_EQ(vmas[4].inode, 1537);
755 EXPECT_EQ(vmas[5].inode, 0);
756 }
757
TEST(ProcMemInfo,SmapsReturnTest)758 TEST(ProcMemInfo, SmapsReturnTest) {
759 // Make sure Smaps() is never empty for any process
760 ProcMemInfo proc_mem(pid);
761 auto vmas = proc_mem.Smaps();
762 EXPECT_FALSE(vmas.empty());
763 }
764
TEST(ProcMemInfo,SmapsTest)765 TEST(ProcMemInfo, SmapsTest) {
766 std::string exec_dir = ::android::base::GetExecutableDirectory();
767 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str());
768 ProcMemInfo proc_mem(pid);
769 auto vmas = proc_mem.Smaps(path);
770
771 ASSERT_FALSE(vmas.empty());
772 #ifndef __x86_64__
773 // We should get a total of 6 vmas
774 ASSERT_EQ(vmas.size(), 6);
775 #else
776 // We should get a total of 5 vmas ([vsyscall] is excluded)
777 ASSERT_EQ(vmas.size(), 5);
778 #endif
779
780 // Expect values to be equal to what we have in testdata1/smaps_short
781 // Check for sizes first
782 ASSERT_EQ(vmas[0].usage.vss, 32768);
783 EXPECT_EQ(vmas[1].usage.vss, 11204);
784 EXPECT_EQ(vmas[2].usage.vss, 16896);
785 EXPECT_EQ(vmas[3].usage.vss, 260);
786 EXPECT_EQ(vmas[4].usage.vss, 6060);
787 #ifndef __x86_64__
788 EXPECT_EQ(vmas[5].usage.vss, 4);
789 #endif
790
791 // Check for names
792 EXPECT_EQ(vmas[0].name, "[anon:dalvik-zygote-jit-code-cache]");
793 EXPECT_EQ(vmas[1].name, "/system/framework/x86_64/boot-framework.art");
794 EXPECT_TRUE(vmas[2].name == "[anon:libc_malloc]" ||
795 vmas[2].name.starts_with("[anon:scudo:"))
796 << "Unknown map name " << vmas[2].name;
797 EXPECT_EQ(vmas[3].name, "/system/priv-app/SettingsProvider/oat/x86_64/SettingsProvider.odex");
798 EXPECT_EQ(vmas[4].name, "/system/lib64/libhwui.so");
799 #ifndef __x86_64__
800 EXPECT_EQ(vmas[5].name, "[vsyscall]");
801 #endif
802
803 EXPECT_EQ(vmas[0].usage.rss, 2048);
804 EXPECT_EQ(vmas[1].usage.rss, 11188);
805 EXPECT_EQ(vmas[2].usage.rss, 15272);
806 EXPECT_EQ(vmas[3].usage.rss, 260);
807 EXPECT_EQ(vmas[4].usage.rss, 4132);
808 #ifndef __x86_64__
809 EXPECT_EQ(vmas[5].usage.rss, 0);
810 #endif
811
812 EXPECT_EQ(vmas[0].usage.pss, 113);
813 EXPECT_EQ(vmas[1].usage.pss, 2200);
814 EXPECT_EQ(vmas[2].usage.pss, 15272);
815 EXPECT_EQ(vmas[3].usage.pss, 260);
816 EXPECT_EQ(vmas[4].usage.pss, 1274);
817 #ifndef __x86_64__
818 EXPECT_EQ(vmas[5].usage.pss, 0);
819 #endif
820
821 EXPECT_EQ(vmas[0].usage.uss, 0);
822 EXPECT_EQ(vmas[1].usage.uss, 1660);
823 EXPECT_EQ(vmas[2].usage.uss, 15272);
824 EXPECT_EQ(vmas[3].usage.uss, 260);
825 EXPECT_EQ(vmas[4].usage.uss, 0);
826 #ifndef __x86_64__
827 EXPECT_EQ(vmas[5].usage.uss, 0);
828 #endif
829
830 EXPECT_EQ(vmas[0].usage.private_clean, 0);
831 EXPECT_EQ(vmas[1].usage.private_clean, 0);
832 EXPECT_EQ(vmas[2].usage.private_clean, 0);
833 EXPECT_EQ(vmas[3].usage.private_clean, 260);
834 EXPECT_EQ(vmas[4].usage.private_clean, 0);
835 #ifndef __x86_64__
836 EXPECT_EQ(vmas[5].usage.private_clean, 0);
837 #endif
838
839 EXPECT_EQ(vmas[0].usage.private_dirty, 0);
840 EXPECT_EQ(vmas[1].usage.private_dirty, 1660);
841 EXPECT_EQ(vmas[2].usage.private_dirty, 15272);
842 EXPECT_EQ(vmas[3].usage.private_dirty, 0);
843 EXPECT_EQ(vmas[4].usage.private_dirty, 0);
844 #ifndef __x86_64__
845 EXPECT_EQ(vmas[5].usage.private_dirty, 0);
846 #endif
847
848 EXPECT_EQ(vmas[0].usage.shared_clean, 0);
849 EXPECT_EQ(vmas[1].usage.shared_clean, 80);
850 EXPECT_EQ(vmas[2].usage.shared_clean, 0);
851 EXPECT_EQ(vmas[3].usage.shared_clean, 0);
852 EXPECT_EQ(vmas[4].usage.shared_clean, 4132);
853 #ifndef __x86_64__
854 EXPECT_EQ(vmas[5].usage.shared_clean, 0);
855 #endif
856
857 EXPECT_EQ(vmas[0].usage.shared_dirty, 2048);
858 EXPECT_EQ(vmas[1].usage.shared_dirty, 9448);
859 EXPECT_EQ(vmas[2].usage.shared_dirty, 0);
860 EXPECT_EQ(vmas[3].usage.shared_dirty, 0);
861 EXPECT_EQ(vmas[4].usage.shared_dirty, 0);
862 #ifndef __x86_64__
863 EXPECT_EQ(vmas[5].usage.shared_dirty, 0);
864 #endif
865
866 EXPECT_EQ(vmas[0].usage.swap, 0);
867 EXPECT_EQ(vmas[1].usage.swap, 0);
868 EXPECT_EQ(vmas[2].usage.swap, 0);
869 EXPECT_EQ(vmas[3].usage.swap, 0);
870 EXPECT_EQ(vmas[4].usage.swap, 0);
871 #ifndef __x86_64__
872 EXPECT_EQ(vmas[5].usage.swap, 0);
873 #endif
874
875 EXPECT_EQ(vmas[0].usage.swap_pss, 0);
876 EXPECT_EQ(vmas[1].usage.swap_pss, 0);
877 EXPECT_EQ(vmas[2].usage.swap_pss, 0);
878 EXPECT_EQ(vmas[3].usage.swap_pss, 0);
879 EXPECT_EQ(vmas[4].usage.swap_pss, 0);
880 #ifndef __x86_64__
881 EXPECT_EQ(vmas[5].usage.swap_pss, 0);
882 #endif
883 }
884
TEST(ProcMemInfo,SmapsPopulatesUsageTest)885 TEST(ProcMemInfo, SmapsPopulatesUsageTest) {
886 std::string exec_dir = ::android::base::GetExecutableDirectory();
887 std::string path = ::android::base::StringPrintf("%s/testdata1/smaps_short", exec_dir.c_str());
888 ProcMemInfo proc_mem(pid);
889 auto vmas = proc_mem.Smaps(path, true);
890
891 // Expect values to be equal to sums of usage in testdata1/smaps_short. For
892 // this data, only vss differs on x86.
893 #ifndef __x86_64__
894 EXPECT_EQ(proc_mem.Usage().vss, 67192);
895 #else
896 EXPECT_EQ(proc_mem.Usage().vss, 67188);
897 #endif
898 EXPECT_EQ(proc_mem.Usage().rss, 32900);
899 EXPECT_EQ(proc_mem.Usage().pss, 19119);
900 EXPECT_EQ(proc_mem.Usage().uss, 17192);
901 EXPECT_EQ(proc_mem.Usage().private_clean, 260);
902 EXPECT_EQ(proc_mem.Usage().private_dirty, 16932);
903 EXPECT_EQ(proc_mem.Usage().shared_clean, 4212);
904 EXPECT_EQ(proc_mem.Usage().shared_dirty, 11496);
905 EXPECT_EQ(proc_mem.Usage().swap, 0);
906 EXPECT_EQ(proc_mem.Usage().swap_pss, 0);
907 }
908
TEST(SysMemInfo,TestSysMemInfoFile)909 TEST(SysMemInfo, TestSysMemInfoFile) {
910 std::string meminfo = R"meminfo(MemTotal: 3019740 kB
911 MemFree: 1809728 kB
912 MemAvailable: 2546560 kB
913 Buffers: 54736 kB
914 Cached: 776052 kB
915 SwapCached: 0 kB
916 Active: 445856 kB
917 Inactive: 459092 kB
918 Active(anon): 78492 kB
919 Inactive(anon): 2240 kB
920 Active(file): 367364 kB
921 Inactive(file): 456852 kB
922 Unevictable: 3096 kB
923 Mlocked: 3096 kB
924 SwapTotal: 32768 kB
925 SwapFree: 4096 kB
926 Dirty: 32 kB
927 Writeback: 0 kB
928 AnonPages: 74988 kB
929 Mapped: 62624 kB
930 Shmem: 4020 kB
931 KReclaimable: 87324 kB
932 Slab: 86464 kB
933 SReclaimable: 44432 kB
934 SUnreclaim: 42032 kB
935 KernelStack: 4880 kB
936 PageTables: 2900 kB
937 NFS_Unstable: 0 kB
938 Bounce: 0 kB
939 WritebackTmp: 0 kB
940 CommitLimit: 1509868 kB
941 Committed_AS: 80296 kB
942 VmallocTotal: 263061440 kB
943 VmallocUsed: 65536 kB
944 VmallocChunk: 0 kB
945 AnonHugePages: 6144 kB
946 ShmemHugePages: 0 kB
947 ShmemPmdMapped: 0 kB
948 CmaTotal: 131072 kB
949 CmaFree: 130380 kB
950 HugePages_Total: 0
951 HugePages_Free: 0
952 HugePages_Rsvd: 0
953 HugePages_Surp: 0
954 Hugepagesize: 2048 kB)meminfo";
955
956 TemporaryFile tf;
957 ASSERT_TRUE(tf.fd != -1);
958 ASSERT_TRUE(::android::base::WriteStringToFd(meminfo, tf.fd));
959
960 SysMemInfo mi;
961 ASSERT_TRUE(mi.ReadMemInfo(tf.path));
962 EXPECT_EQ(mi.mem_total_kb(), 3019740);
963 EXPECT_EQ(mi.mem_free_kb(), 1809728);
964 EXPECT_EQ(mi.mem_buffers_kb(), 54736);
965 EXPECT_EQ(mi.mem_cached_kb(), 776052);
966 EXPECT_EQ(mi.mem_shmem_kb(), 4020);
967 EXPECT_EQ(mi.mem_slab_kb(), 86464);
968 EXPECT_EQ(mi.mem_slab_reclaimable_kb(), 44432);
969 EXPECT_EQ(mi.mem_slab_unreclaimable_kb(), 42032);
970 EXPECT_EQ(mi.mem_swap_kb(), 32768);
971 EXPECT_EQ(mi.mem_swap_free_kb(), 4096);
972 EXPECT_EQ(mi.mem_mapped_kb(), 62624);
973 EXPECT_EQ(mi.mem_vmalloc_used_kb(), 65536);
974 EXPECT_EQ(mi.mem_page_tables_kb(), 2900);
975 EXPECT_EQ(mi.mem_kernel_stack_kb(), 4880);
976 EXPECT_EQ(mi.mem_kreclaimable_kb(), 87324);
977 EXPECT_EQ(mi.mem_active_kb(), 445856);
978 EXPECT_EQ(mi.mem_inactive_kb(), 459092);
979 EXPECT_EQ(mi.mem_unevictable_kb(), 3096);
980 EXPECT_EQ(mi.mem_available_kb(), 2546560);
981 EXPECT_EQ(mi.mem_active_anon_kb(), 78492);
982 EXPECT_EQ(mi.mem_inactive_anon_kb(), 2240);
983 EXPECT_EQ(mi.mem_active_file_kb(), 367364);
984 EXPECT_EQ(mi.mem_inactive_file_kb(), 456852);
985 EXPECT_EQ(mi.mem_cma_total_kb(), 131072);
986 EXPECT_EQ(mi.mem_cma_free_kb(), 130380);
987 }
988
TEST(SysMemInfo,TestEmptyFile)989 TEST(SysMemInfo, TestEmptyFile) {
990 TemporaryFile tf;
991 std::string empty_string = "";
992 ASSERT_TRUE(tf.fd != -1);
993 ASSERT_TRUE(::android::base::WriteStringToFd(empty_string, tf.fd));
994
995 SysMemInfo mi;
996 EXPECT_TRUE(mi.ReadMemInfo(tf.path));
997 EXPECT_EQ(mi.mem_total_kb(), 0);
998 }
999
TEST(SysMemInfo,TestZramTotal)1000 TEST(SysMemInfo, TestZramTotal) {
1001 std::string exec_dir = ::android::base::GetExecutableDirectory();
1002
1003 SysMemInfo mi;
1004 std::string zram_mmstat_dir = exec_dir + "/testdata1/";
1005 EXPECT_EQ(mi.mem_zram_kb(zram_mmstat_dir.c_str()), 30504);
1006
1007 std::string zram_memused_dir = exec_dir + "/testdata2/";
1008 EXPECT_EQ(mi.mem_zram_kb(zram_memused_dir.c_str()), 30504);
1009 }
1010
1011 enum {
1012 MEMINFO_TOTAL,
1013 MEMINFO_FREE,
1014 MEMINFO_BUFFERS,
1015 MEMINFO_CACHED,
1016 MEMINFO_SHMEM,
1017 MEMINFO_SLAB,
1018 MEMINFO_SLAB_RECLAIMABLE,
1019 MEMINFO_SLAB_UNRECLAIMABLE,
1020 MEMINFO_SWAP_TOTAL,
1021 MEMINFO_SWAP_FREE,
1022 MEMINFO_ZRAM_TOTAL,
1023 MEMINFO_MAPPED,
1024 MEMINFO_VMALLOC_USED,
1025 MEMINFO_PAGE_TABLES,
1026 MEMINFO_KERNEL_STACK,
1027 MEMINFO_KRECLAIMABLE,
1028 MEMINFO_ACTIVE,
1029 MEMINFO_INACTIVE,
1030 MEMINFO_UNEVICTABLE,
1031 MEMINFO_AVAILABLE,
1032 MEMINFO_ACTIVE_ANON,
1033 MEMINFO_INACTIVE_ANON,
1034 MEMINFO_ACTIVE_FILE,
1035 MEMINFO_INACTIVE_FILE,
1036 MEMINFO_CMA_TOTAL,
1037 MEMINFO_CMA_FREE,
1038 MEMINFO_COUNT
1039 };
1040
TEST(SysMemInfo,TestZramWithTags)1041 TEST(SysMemInfo, TestZramWithTags) {
1042 std::string meminfo = R"meminfo(MemTotal: 3019740 kB
1043 MemFree: 1809728 kB
1044 MemAvailable: 2546560 kB
1045 Buffers: 54736 kB
1046 Cached: 776052 kB
1047 SwapCached: 0 kB
1048 Active: 445856 kB
1049 Inactive: 459092 kB
1050 Active(anon): 78492 kB
1051 Inactive(anon): 2240 kB
1052 Active(file): 367364 kB
1053 Inactive(file): 456852 kB
1054 Unevictable: 3096 kB
1055 Mlocked: 3096 kB
1056 SwapTotal: 32768 kB
1057 SwapFree: 4096 kB
1058 Dirty: 32 kB
1059 Writeback: 0 kB
1060 AnonPages: 74988 kB
1061 Mapped: 62624 kB
1062 Shmem: 4020 kB
1063 KReclaimable: 87324 kB
1064 Slab: 86464 kB
1065 SReclaimable: 44432 kB
1066 SUnreclaim: 42032 kB
1067 KernelStack: 4880 kB
1068 PageTables: 2900 kB
1069 NFS_Unstable: 0 kB
1070 Bounce: 0 kB
1071 WritebackTmp: 0 kB
1072 CommitLimit: 1509868 kB
1073 Committed_AS: 80296 kB
1074 VmallocTotal: 263061440 kB
1075 VmallocUsed: 65536 kB
1076 VmallocChunk: 0 kB
1077 AnonHugePages: 6144 kB
1078 ShmemHugePages: 0 kB
1079 ShmemPmdMapped: 0 kB
1080 CmaTotal: 131072 kB
1081 CmaFree: 130380 kB
1082 HugePages_Total: 0
1083 HugePages_Free: 0
1084 HugePages_Rsvd: 0
1085 HugePages_Surp: 0
1086 Hugepagesize: 2048 kB)meminfo";
1087
1088 TemporaryFile tf;
1089 ASSERT_TRUE(tf.fd != -1);
1090 ASSERT_TRUE(::android::base::WriteStringToFd(meminfo, tf.fd));
1091 std::string file = std::string(tf.path);
1092 std::vector<uint64_t> mem;
1093 std::vector<std::string_view> tags(SysMemInfo::kDefaultSysMemInfoTags.begin(),
1094 SysMemInfo::kDefaultSysMemInfoTags.end());
1095 auto it = tags.begin();
1096 tags.insert(it + MEMINFO_ZRAM_TOTAL, "Zram:");
1097 SysMemInfo mi;
1098
1099 // Read system memory info
1100 mem.resize(tags.size());
1101 EXPECT_TRUE(mi.ReadMemInfo(tags.size(), tags.data(), mem.data(), file.c_str()));
1102 EXPECT_EQ(mem[MEMINFO_TOTAL], 3019740);
1103 EXPECT_EQ(mem[MEMINFO_FREE], 1809728);
1104 EXPECT_EQ(mem[MEMINFO_BUFFERS], 54736);
1105 EXPECT_EQ(mem[MEMINFO_CACHED], 776052);
1106 EXPECT_EQ(mem[MEMINFO_SHMEM], 4020);
1107 EXPECT_EQ(mem[MEMINFO_SLAB], 86464);
1108 EXPECT_EQ(mem[MEMINFO_SLAB_RECLAIMABLE], 44432);
1109 EXPECT_EQ(mem[MEMINFO_SLAB_UNRECLAIMABLE], 42032);
1110 EXPECT_EQ(mem[MEMINFO_SWAP_TOTAL], 32768);
1111 EXPECT_EQ(mem[MEMINFO_SWAP_FREE], 4096);
1112 EXPECT_EQ(mem[MEMINFO_MAPPED], 62624);
1113 EXPECT_EQ(mem[MEMINFO_VMALLOC_USED], 65536);
1114 EXPECT_EQ(mem[MEMINFO_PAGE_TABLES], 2900);
1115 EXPECT_EQ(mem[MEMINFO_KERNEL_STACK], 4880);
1116 EXPECT_EQ(mem[MEMINFO_KRECLAIMABLE], 87324);
1117 EXPECT_EQ(mem[MEMINFO_ACTIVE], 445856);
1118 EXPECT_EQ(mem[MEMINFO_INACTIVE], 459092);
1119 EXPECT_EQ(mem[MEMINFO_UNEVICTABLE], 3096);
1120 EXPECT_EQ(mem[MEMINFO_AVAILABLE], 2546560);
1121 EXPECT_EQ(mem[MEMINFO_ACTIVE_ANON], 78492);
1122 EXPECT_EQ(mem[MEMINFO_INACTIVE_ANON], 2240);
1123 EXPECT_EQ(mem[MEMINFO_ACTIVE_FILE], 367364);
1124 EXPECT_EQ(mem[MEMINFO_INACTIVE_FILE], 456852);
1125 EXPECT_EQ(mem[MEMINFO_CMA_TOTAL], 131072);
1126 EXPECT_EQ(mem[MEMINFO_CMA_FREE], 130380);
1127 }
1128
TEST(SysMemInfo,TestVmallocInfoNoMemory)1129 TEST(SysMemInfo, TestVmallocInfoNoMemory) {
1130 std::string vmallocinfo =
1131 R"vmallocinfo(0x0000000000000000-0x0000000000000000 69632 of_iomap+0x78/0xb0 phys=17a00000 ioremap
1132 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=b220000 ioremap
1133 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17c90000 ioremap
1134 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17ca0000 ioremap)vmallocinfo";
1135
1136 TemporaryFile tf;
1137 ASSERT_TRUE(tf.fd != -1);
1138 ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd));
1139 std::string file = std::string(tf.path);
1140
1141 EXPECT_EQ(ReadVmallocInfo(file.c_str()), 0);
1142 }
1143
TEST(SysMemInfo,TestVmallocInfoKernel)1144 TEST(SysMemInfo, TestVmallocInfoKernel) {
1145 std::string vmallocinfo =
1146 R"vmallocinfo(0x0000000000000000-0x0000000000000000 8192 drm_property_create_blob+0x44/0xec pages=1 vmalloc)vmallocinfo";
1147
1148 TemporaryFile tf;
1149 ASSERT_TRUE(tf.fd != -1);
1150 ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd));
1151 std::string file = std::string(tf.path);
1152
1153 EXPECT_EQ(ReadVmallocInfo(file.c_str()), getpagesize());
1154 }
1155
TEST(SysMemInfo,TestVmallocInfoModule)1156 TEST(SysMemInfo, TestVmallocInfoModule) {
1157 std::string vmallocinfo =
1158 R"vmallocinfo(0x0000000000000000-0x0000000000000000 28672 pktlog_alloc_buf+0xc4/0x15c [wlan] pages=6 vmalloc)vmallocinfo";
1159
1160 TemporaryFile tf;
1161 ASSERT_TRUE(tf.fd != -1);
1162 ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd));
1163 std::string file = std::string(tf.path);
1164
1165 EXPECT_EQ(ReadVmallocInfo(file.c_str()), 6 * getpagesize());
1166 }
1167
TEST(SysMemInfo,TestVmallocInfoAll)1168 TEST(SysMemInfo, TestVmallocInfoAll) {
1169 std::string vmallocinfo =
1170 R"vmallocinfo(0x0000000000000000-0x0000000000000000 69632 of_iomap+0x78/0xb0 phys=17a00000 ioremap
1171 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=b220000 ioremap
1172 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17c90000 ioremap
1173 0x0000000000000000-0x0000000000000000 8192 of_iomap+0x78/0xb0 phys=17ca0000 ioremap
1174 0x0000000000000000-0x0000000000000000 8192 drm_property_create_blob+0x44/0xec pages=1 vmalloc
1175 0x0000000000000000-0x0000000000000000 28672 pktlog_alloc_buf+0xc4/0x15c [wlan] pages=6 vmalloc)vmallocinfo";
1176
1177 TemporaryFile tf;
1178 ASSERT_TRUE(tf.fd != -1);
1179 ASSERT_TRUE(::android::base::WriteStringToFd(vmallocinfo, tf.fd));
1180 std::string file = std::string(tf.path);
1181
1182 EXPECT_EQ(ReadVmallocInfo(file.c_str()), 7 * getpagesize());
1183 }
1184
TEST(SysMemInfo,TestReadIonHeapsSizeKb)1185 TEST(SysMemInfo, TestReadIonHeapsSizeKb) {
1186 std::string total_heaps_kb = R"total_heaps_kb(98480)total_heaps_kb";
1187 uint64_t size;
1188
1189 TemporaryFile tf;
1190 ASSERT_TRUE(tf.fd != -1);
1191 ASSERT_TRUE(::android::base::WriteStringToFd(total_heaps_kb, tf.fd));
1192 std::string file = std::string(tf.path);
1193
1194 ASSERT_TRUE(ReadIonHeapsSizeKb(&size, file));
1195 EXPECT_EQ(size, 98480);
1196 }
1197
TEST(SysMemInfo,TestReadIonPoolsSizeKb)1198 TEST(SysMemInfo, TestReadIonPoolsSizeKb) {
1199 std::string total_pools_kb = R"total_pools_kb(416)total_pools_kb";
1200 uint64_t size;
1201
1202 TemporaryFile tf;
1203 ASSERT_TRUE(tf.fd != -1);
1204 ASSERT_TRUE(::android::base::WriteStringToFd(total_pools_kb, tf.fd));
1205 std::string file = std::string(tf.path);
1206
1207 ASSERT_TRUE(ReadIonPoolsSizeKb(&size, file));
1208 EXPECT_EQ(size, 416);
1209 }
1210
TEST(SysMemInfo,TestReadGpuTotalUsageKb)1211 TEST(SysMemInfo, TestReadGpuTotalUsageKb) {
1212 uint64_t size;
1213
1214 if (android::base::GetIntProperty("ro.vendor.api_level", 0) < __ANDROID_API_S__) {
1215 GTEST_SKIP();
1216 }
1217
1218 KernelVersion min_kernel_version = KernelVersion(5, 4, 0);
1219 KernelVersion kernel_version = VintfObject::GetInstance()
1220 ->getRuntimeInfo(RuntimeInfo::FetchFlag::CPU_VERSION)
1221 ->kernelVersion();
1222 if (kernel_version < min_kernel_version) {
1223 GTEST_SKIP();
1224 }
1225
1226 ASSERT_TRUE(ReadGpuTotalUsageKb(&size));
1227 EXPECT_TRUE(size >= 0);
1228 }
1229
TEST(AndroidProcHeaps,ExtractAndroidHeapStatsFromFileTest)1230 TEST(AndroidProcHeaps, ExtractAndroidHeapStatsFromFileTest) {
1231 std::string smaps =
1232 R"smaps(12c00000-13440000 rw-p 00000000 00:00 0 [anon:dalvik-main space (region space)]
1233 Name: [anon:dalvik-main space (region space)]
1234 Size: 8448 kB
1235 KernelPageSize: 4 kB
1236 MMUPageSize: 4 kB
1237 Rss: 2652 kB
1238 Pss: 2652 kB
1239 Shared_Clean: 840 kB
1240 Shared_Dirty: 40 kB
1241 Private_Clean: 84 kB
1242 Private_Dirty: 2652 kB
1243 Referenced: 2652 kB
1244 Anonymous: 2652 kB
1245 AnonHugePages: 0 kB
1246 ShmemPmdMapped: 0 kB
1247 Shared_Hugetlb: 0 kB
1248 Private_Hugetlb: 0 kB
1249 Swap: 102 kB
1250 SwapPss: 70 kB
1251 Locked: 2652 kB
1252 VmFlags: rd wr mr mw me ac
1253 )smaps";
1254
1255 TemporaryFile tf;
1256 ASSERT_TRUE(tf.fd != -1);
1257 ASSERT_TRUE(::android::base::WriteStringToFd(smaps, tf.fd));
1258
1259 bool foundSwapPss;
1260 AndroidHeapStats stats[_NUM_HEAP];
1261 ASSERT_TRUE(ExtractAndroidHeapStatsFromFile(tf.path, stats, &foundSwapPss));
1262
1263 AndroidHeapStats actualStats;
1264 for (int i = 0; i < _NUM_CORE_HEAP; i++) {
1265 actualStats.pss += stats[i].pss;
1266 actualStats.swappablePss += stats[i].swappablePss;
1267 actualStats.rss += stats[i].rss;
1268 actualStats.privateDirty += stats[i].privateDirty;
1269 actualStats.sharedDirty += stats[i].sharedDirty;
1270 actualStats.privateClean += stats[i].privateClean;
1271 actualStats.sharedClean += stats[i].sharedClean;
1272 actualStats.swappedOut += stats[i].swappedOut;
1273 actualStats.swappedOutPss += stats[i].swappedOutPss;
1274 }
1275 EXPECT_EQ(actualStats.pss, 2652);
1276 EXPECT_EQ(actualStats.swappablePss, 0);
1277 EXPECT_EQ(actualStats.rss, 2652);
1278 EXPECT_EQ(actualStats.privateDirty, 2652);
1279 EXPECT_EQ(actualStats.sharedDirty, 40);
1280 EXPECT_EQ(actualStats.privateClean, 84);
1281 EXPECT_EQ(actualStats.sharedClean, 840);
1282 EXPECT_EQ(actualStats.swappedOut, 102);
1283 EXPECT_EQ(actualStats.swappedOutPss, 70);
1284 }
1285
1286 class DmabufHeapStats : public ::testing::Test {
1287 public:
SetUp()1288 virtual void SetUp() {
1289 fs::current_path(fs::temp_directory_path());
1290 buffer_stats_path = fs::current_path() / "buffers";
1291 ASSERT_TRUE(fs::create_directory(buffer_stats_path));
1292 heap_root_path = fs::current_path() / "dma_heap";
1293 ASSERT_TRUE(fs::create_directory(heap_root_path));
1294 }
TearDown()1295 virtual void TearDown() {
1296 fs::remove_all(buffer_stats_path);
1297 fs::remove_all(heap_root_path);
1298 }
1299
1300 fs::path buffer_stats_path;
1301 fs::path heap_root_path;
1302 };
1303
TEST_F(DmabufHeapStats,TestDmabufHeapTotalExportedKb)1304 TEST_F(DmabufHeapStats, TestDmabufHeapTotalExportedKb) {
1305 using android::base::StringPrintf;
1306 uint64_t size;
1307
1308 auto system_heap_path = heap_root_path / "system";
1309 ASSERT_TRUE(android::base::WriteStringToFile("test", system_heap_path));
1310
1311 for (unsigned int inode_number = 74831; inode_number < 74841; inode_number++) {
1312 auto buffer_path = buffer_stats_path / StringPrintf("%u", inode_number);
1313 ASSERT_TRUE(fs::create_directories(buffer_path));
1314
1315 auto buffer_size_path = buffer_path / "size";
1316 const std::string buffer_size = "4096";
1317 ASSERT_TRUE(android::base::WriteStringToFile(buffer_size, buffer_size_path));
1318
1319 auto exp_name_path = buffer_path / "exporter_name";
1320 const std::string exp_name = inode_number % 2 ? "system" : "other";
1321 ASSERT_TRUE(android::base::WriteStringToFile(exp_name, exp_name_path));
1322 }
1323
1324 ASSERT_TRUE(ReadDmabufHeapTotalExportedKb(&size, heap_root_path, buffer_stats_path));
1325 ASSERT_EQ(size, 20);
1326 }
1327
TEST(SysMemInfo,TestReadDmaBufHeapPoolsSizeKb)1328 TEST(SysMemInfo, TestReadDmaBufHeapPoolsSizeKb) {
1329 std::string total_pools_kb = R"total_pools_kb(416)total_pools_kb";
1330 uint64_t size;
1331
1332 TemporaryFile tf;
1333 ASSERT_TRUE(tf.fd != -1);
1334 ASSERT_TRUE(::android::base::WriteStringToFd(total_pools_kb, tf.fd));
1335 std::string file = std::string(tf.path);
1336
1337 ASSERT_TRUE(ReadDmabufHeapPoolsSizeKb(&size, file));
1338 EXPECT_EQ(size, 416);
1339 }
1340
main(int argc,char ** argv)1341 int main(int argc, char** argv) {
1342 ::testing::InitGoogleTest(&argc, argv);
1343 ::android::base::InitLogging(argv, android::base::StderrLogger);
1344 pid = getpid();
1345 return RUN_ALL_TESTS();
1346 }
1347