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 <unistd.h>
18
19 #include "perfetto/ext/base/file_utils.h"
20 #include "perfetto/ext/base/temp_file.h"
21 #include "src/base/test/test_task_runner.h"
22 #include "src/traced/probes/common/cpu_freq_info_for_testing.h"
23 #include "src/traced/probes/sys_stats/sys_stats_data_source.h"
24 #include "src/tracing/core/trace_writer_for_testing.h"
25 #include "test/gtest_and_gmock.h"
26
27 #include "protos/perfetto/common/sys_stats_counters.gen.h"
28 #include "protos/perfetto/config/data_source_config.gen.h"
29 #include "protos/perfetto/config/sys_stats/sys_stats_config.gen.h"
30 #include "protos/perfetto/trace/sys_stats/sys_stats.gen.h"
31
32 using ::testing::_;
33 using ::testing::Invoke;
34 using ::testing::Return;
35 using ::testing::UnorderedElementsAre;
36
37 namespace perfetto {
38 namespace {
39
40 const char kMockMeminfo[] = R"(
41 MemTotal: 3744240 kB
42 MemFree: 73328 kB
43 MemAvailable: 629896 kB
44 Buffers: 19296 kB
45 Cached: 731032 kB
46 SwapCached: 4936 kB
47 Active: 1616348 kB
48 Inactive: 745492 kB
49 Active(anon): 1322636 kB
50 Inactive(anon): 449172 kB
51 Active(file): 293712 kB
52 Inactive(file): 296320 kB
53 Unevictable: 142152 kB
54 Mlocked: 142152 kB
55 SwapTotal: 524284 kB
56 SwapFree: 128 kB
57 Dirty: 0 kB
58 Writeback: 0 kB
59 AnonPages: 1751140 kB
60 Mapped: 508372 kB
61 Shmem: 18604 kB
62 Slab: 240352 kB
63 SReclaimable: 64684 kB
64 SUnreclaim: 175668 kB
65 KernelStack: 62672 kB
66 PageTables: 70108 kB
67 NFS_Unstable: 0 kB
68 Bounce: 0 kB
69 WritebackTmp: 0 kB
70 CommitLimit: 2396404 kB
71 Committed_AS: 81911488 kB
72 VmallocTotal: 258867136 kB
73 VmallocUsed: 0 kB
74 VmallocChunk: 0 kB
75 CmaTotal: 196608 kB
76 CmaFree: 60 kB)";
77
78 const char kMockVmstat[] = R"(
79 nr_free_pages 16449
80 nr_alloc_batch 79
81 nr_inactive_anon 112545
82 nr_active_anon 322027
83 nr_inactive_file 75904
84 nr_active_file 87939
85 nr_unevictable 35538
86 nr_mlock 35538
87 nr_anon_pages 429005
88 nr_mapped 125844
89 nr_file_pages 205523
90 nr_dirty 23
91 nr_writeback 0
92 nr_slab_reclaimable 15840
93 nr_slab_unreclaimable 43912
94 nr_page_table_pages 17158
95 nr_kernel_stack 3822
96 nr_overhead 0
97 nr_unstable 0
98 nr_bounce 0
99 nr_vmscan_write 558690
100 nr_vmscan_immediate_reclaim 14853
101 nr_writeback_temp 0
102 nr_isolated_anon 0
103 nr_isolated_file 0
104 nr_shmem 5027
105 nr_dirtied 6732417
106 nr_written 6945513
107 nr_pages_scanned 0
108 workingset_refault 32784684
109 workingset_activate 8200928
110 workingset_nodereclaim 0
111 nr_anon_transparent_hugepages 0
112 nr_free_cma 0
113 nr_swapcache 1254
114 nr_dirty_threshold 33922
115 nr_dirty_background_threshold 8449
116 pgpgin 161257156
117 pgpgout 35973852
118 pgpgoutclean 37181384
119 pswpin 185308
120 pswpout 557662
121 pgalloc_dma 79259070
122 pgalloc_normal 88265512
123 pgalloc_movable 0
124 pgfree 175051592
125 pgactivate 11897892
126 pgdeactivate 20412230
127 pgfault 181696234
128 pgmajfault 1060871
129 pgrefill_dma 12970047
130 pgrefill_normal 14391564
131 pgrefill_movable 0
132 pgsteal_kswapd_dma 19471476
133 pgsteal_kswapd_normal 21138380
134 pgsteal_kswapd_movable 0
135 pgsteal_direct 91537
136 pgsteal_direct_dma 40625
137 pgsteal_direct_normal 50912
138 pgsteal_direct_movable 0
139 pgscan_kswapd_dma 23544417
140 pgscan_kswapd_normal 25623715
141 pgscan_kswapd_movable 0
142 pgscan_direct_dma 50369
143 pgscan_direct_normal 66284
144 pgscan_direct_movable 0
145 pgscan_direct_throttle 0
146 pginodesteal 0
147 slabs_scanned 39582828
148 kswapd_inodesteal 110199
149 kswapd_low_wmark_hit_quickly 21321
150 kswapd_high_wmark_hit_quickly 4112
151 pageoutrun 37666
152 allocstall 1587
153 pgrotated 12086
154 drop_pagecache 0
155 drop_slab 0
156 pgmigrate_success 5923482
157 pgmigrate_fail 3439
158 compact_migrate_scanned 92906456
159 compact_free_scanned 467077168
160 compact_isolated 13456528
161 compact_stall 197
162 compact_fail 42
163 compact_success 155
164 compact_daemon_wake 2131
165 unevictable_pgs_culled 50170
166 unevictable_pgs_scanned 0
167 unevictable_pgs_rescued 14640
168 unevictable_pgs_mlocked 52520
169 unevictable_pgs_munlocked 14640
170 unevictable_pgs_cleared 2342
171 unevictable_pgs_stranded 2342)";
172
173 const char kMockStat[] = R"(
174 cpu 2655987 822682 2352153 8801203 41917 322733 175055 0 0 0
175 cpu0 762178 198125 902284 8678856 41716 152974 68262 0 0 0
176 cpu1 613833 243394 504323 15194 96 60625 28785 0 0 0
177 cpu2 207349 95060 248856 17351 42 32148 26108 0 0 0
178 cpu3 138474 92158 174852 17537 48 25076 25035 0 0 0
179 cpu4 278720 34689 141048 18117 1 20782 5873 0 0 0
180 cpu5 235376 33907 85098 18278 2 10049 3774 0 0 0
181 cpu6 239568 67149 155814 17890 5 11518 3807 0 0 0
182 cpu7 180484 58196 139874 17975 3 9556 13407 0 0 0
183 intr 238128517 0 0 0 63500984 0 6253792 6 4 5 0 0 0 0 0 0 0 160331 0 0 14 0 0 0 0 0 0 0 0 0 0 0 20430 2279 11 11 83272 0 0 0 0 0 0 0 5754 220829 0 154753 908545 1824602 7314228 0 0 0 6898259 0 0 10 0 0 2 0 0 0 0 0 0 0 42 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 575816 1447531 134022 0 0 0 0 0 435008 319921 2755476 0 0 0 0 91 310212 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 4 0 0 545 901 554 9 3377 4184 12 10 588851 0 2 1109045 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 8 0 0 0 0 0 0 0 0 0 0 0 0 497 0 0 0 0 0 26172 0 0 0 0 0 0 0 1362 0 0 0 0 0 0 0 424 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23427 0 0 0 0 1 1298 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 108 0 0 0 0 86 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1784935 407979 2140 10562241 52374 74699 6976 84926 222 169088 0 0 0 0 174 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2789 51543 0 83 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 8 0 13 11 17 1393 0 0 0 0 0 0 0 0 0 0 26 0 0 2 106 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 11150 0 13 0 1 390 6 0 6 4 0 0 0 0 352 284743 2 0 0 24 3 0 3 0 0 0 12 0 668788 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 680 0 0
184 ctxt 373122860
185 btime 1536912218
186 processes 243320
187 procs_running 1
188 procs_blocked 0
189 softirq 84611084 10220177 28299167 155083 3035679 6390543 66234 4396819 15604187 0 16443195)";
190
191 const char kDevfreq1[] = "1000000";
192 const char kDevfreq2[] = "20000000";
193
194 class TestSysStatsDataSource : public SysStatsDataSource {
195 public:
TestSysStatsDataSource(base::TaskRunner * task_runner,TracingSessionID id,std::unique_ptr<TraceWriter> writer,const DataSourceConfig & config,std::unique_ptr<CpuFreqInfo> cpu_freq_info,OpenFunction open_fn)196 TestSysStatsDataSource(base::TaskRunner* task_runner,
197 TracingSessionID id,
198 std::unique_ptr<TraceWriter> writer,
199 const DataSourceConfig& config,
200 std::unique_ptr<CpuFreqInfo> cpu_freq_info,
201 OpenFunction open_fn)
202 : SysStatsDataSource(task_runner,
203 id,
204 std::move(writer),
205 config,
206 std::move(cpu_freq_info),
207 open_fn) {}
208
209 MOCK_METHOD0(OpenDevfreqDir, base::ScopedDir());
210 MOCK_METHOD1(ReadDevfreqCurFreq, const char*(const std::string& deviceName));
211 };
212
MockOpenReadOnly(const char * path)213 base::ScopedFile MockOpenReadOnly(const char* path) {
214 base::TempFile tmp_ = base::TempFile::CreateUnlinked();
215 if (!strcmp(path, "/proc/meminfo")) {
216 EXPECT_GT(pwrite(tmp_.fd(), kMockMeminfo, strlen(kMockMeminfo), 0), 0);
217 } else if (!strcmp(path, "/proc/vmstat")) {
218 EXPECT_GT(pwrite(tmp_.fd(), kMockVmstat, strlen(kMockVmstat), 0), 0);
219 } else if (!strcmp(path, "/proc/stat")) {
220 EXPECT_GT(pwrite(tmp_.fd(), kMockStat, strlen(kMockStat), 0), 0);
221 } else {
222 PERFETTO_FATAL("Unexpected file opened %s", path);
223 }
224 return tmp_.ReleaseFD();
225 }
226
227 class SysStatsDataSourceTest : public ::testing::Test {
228 protected:
GetSysStatsDataSource(const DataSourceConfig & cfg)229 std::unique_ptr<TestSysStatsDataSource> GetSysStatsDataSource(
230 const DataSourceConfig& cfg) {
231 auto writer =
232 std::unique_ptr<TraceWriterForTesting>(new TraceWriterForTesting());
233 writer_raw_ = writer.get();
234 auto instance =
235 std::unique_ptr<TestSysStatsDataSource>(new TestSysStatsDataSource(
236 &task_runner_, 0, std::move(writer), cfg,
237 cpu_freq_info_for_testing_.GetInstance(), MockOpenReadOnly));
238 instance->set_ns_per_user_hz_for_testing(1000000000ull / 100); // 100 Hz.
239 instance->Start();
240 return instance;
241 }
242
Poller(SysStatsDataSource * ds,std::function<void ()> checkpoint)243 void Poller(SysStatsDataSource* ds, std::function<void()> checkpoint) {
244 if (ds->tick_for_testing())
245 checkpoint();
246 else
247 task_runner_.PostDelayedTask(
248 [ds, checkpoint, this] { Poller(ds, checkpoint); }, 1);
249 }
250
WaitTick(SysStatsDataSource * data_source)251 void WaitTick(SysStatsDataSource* data_source) {
252 auto checkpoint = task_runner_.CreateCheckpoint("on_tick");
253 Poller(data_source, checkpoint);
254 task_runner_.RunUntilCheckpoint("on_tick");
255 }
256
257 TraceWriterForTesting* writer_raw_ = nullptr;
258 base::TestTaskRunner task_runner_;
259 CpuFreqInfoForTesting cpu_freq_info_for_testing_;
260 };
261
TEST_F(SysStatsDataSourceTest,Meminfo)262 TEST_F(SysStatsDataSourceTest, Meminfo) {
263 using C = protos::gen::MeminfoCounters;
264 DataSourceConfig config;
265 protos::gen::SysStatsConfig sys_cfg;
266 sys_cfg.set_meminfo_period_ms(10);
267 sys_cfg.add_meminfo_counters(C::MEMINFO_MEM_TOTAL);
268 sys_cfg.add_meminfo_counters(C::MEMINFO_MEM_FREE);
269 sys_cfg.add_meminfo_counters(C::MEMINFO_ACTIVE_ANON);
270 sys_cfg.add_meminfo_counters(C::MEMINFO_INACTIVE_FILE);
271 sys_cfg.add_meminfo_counters(C::MEMINFO_CMA_FREE);
272 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
273 auto data_source = GetSysStatsDataSource(config);
274
275 WaitTick(data_source.get());
276
277 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
278 ASSERT_TRUE(packet.has_sys_stats());
279 const auto& sys_stats = packet.sys_stats();
280 EXPECT_EQ(sys_stats.vmstat_size(), 0);
281 EXPECT_EQ(sys_stats.cpu_stat_size(), 0);
282 EXPECT_EQ(sys_stats.devfreq_size(), 0);
283
284 using KV = std::pair<int, uint64_t>;
285 std::vector<KV> kvs;
286 for (const auto& kv : sys_stats.meminfo())
287 kvs.push_back({kv.key(), kv.value()});
288
289 EXPECT_THAT(kvs,
290 UnorderedElementsAre(KV{C::MEMINFO_MEM_TOTAL, 3744240}, //
291 KV{C::MEMINFO_MEM_FREE, 73328}, //
292 KV{C::MEMINFO_ACTIVE_ANON, 1322636}, //
293 KV{C::MEMINFO_INACTIVE_FILE, 296320}, //
294 KV{C::MEMINFO_CMA_FREE, 60}));
295 }
296
TEST_F(SysStatsDataSourceTest,MeminfoAll)297 TEST_F(SysStatsDataSourceTest, MeminfoAll) {
298 DataSourceConfig config;
299 protos::gen::SysStatsConfig sys_cfg;
300 sys_cfg.set_meminfo_period_ms(10);
301 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
302 auto data_source = GetSysStatsDataSource(config);
303
304 WaitTick(data_source.get());
305
306 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
307 ASSERT_TRUE(packet.has_sys_stats());
308 const auto& sys_stats = packet.sys_stats();
309 EXPECT_EQ(sys_stats.vmstat_size(), 0);
310 EXPECT_EQ(sys_stats.cpu_stat_size(), 0);
311 EXPECT_EQ(sys_stats.devfreq_size(), 0);
312 EXPECT_GE(sys_stats.meminfo_size(), 10);
313 }
314
TEST_F(SysStatsDataSourceTest,Vmstat)315 TEST_F(SysStatsDataSourceTest, Vmstat) {
316 using C = protos::gen::VmstatCounters;
317 DataSourceConfig config;
318 protos::gen::SysStatsConfig sys_cfg;
319 sys_cfg.set_vmstat_period_ms(10);
320 sys_cfg.add_vmstat_counters(C::VMSTAT_NR_FREE_PAGES);
321 sys_cfg.add_vmstat_counters(C::VMSTAT_PGACTIVATE);
322 sys_cfg.add_vmstat_counters(C::VMSTAT_PGMIGRATE_FAIL);
323 sys_cfg.add_vmstat_counters(C::VMSTAT_PGSTEAL_DIRECT);
324 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
325 auto data_source = GetSysStatsDataSource(config);
326
327 WaitTick(data_source.get());
328
329 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
330 ASSERT_TRUE(packet.has_sys_stats());
331 const auto& sys_stats = packet.sys_stats();
332 EXPECT_EQ(sys_stats.meminfo_size(), 0);
333 EXPECT_EQ(sys_stats.cpu_stat_size(), 0);
334 EXPECT_EQ(sys_stats.devfreq_size(), 0);
335
336 using KV = std::pair<int, uint64_t>;
337 std::vector<KV> kvs;
338 for (const auto& kv : sys_stats.vmstat())
339 kvs.push_back({kv.key(), kv.value()});
340
341 EXPECT_THAT(kvs, UnorderedElementsAre(KV{C::VMSTAT_NR_FREE_PAGES, 16449}, //
342 KV{C::VMSTAT_PGACTIVATE, 11897892}, //
343 KV{C::VMSTAT_PGMIGRATE_FAIL, 3439}, //
344 KV{C::VMSTAT_PGSTEAL_DIRECT, 91537} //
345 ));
346 }
347
TEST_F(SysStatsDataSourceTest,VmstatAll)348 TEST_F(SysStatsDataSourceTest, VmstatAll) {
349 DataSourceConfig config;
350 protos::gen::SysStatsConfig sys_cfg;
351 sys_cfg.set_vmstat_period_ms(10);
352 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
353 auto data_source = GetSysStatsDataSource(config);
354
355 WaitTick(data_source.get());
356
357 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
358 ASSERT_TRUE(packet.has_sys_stats());
359 const auto& sys_stats = packet.sys_stats();
360 EXPECT_EQ(sys_stats.meminfo_size(), 0);
361 EXPECT_EQ(sys_stats.cpu_stat_size(), 0);
362 EXPECT_EQ(sys_stats.devfreq_size(), 0);
363 EXPECT_GE(sys_stats.vmstat_size(), 10);
364 }
365
TEST_F(SysStatsDataSourceTest,DevfreqAll)366 TEST_F(SysStatsDataSourceTest, DevfreqAll) {
367 DataSourceConfig config;
368 protos::gen::SysStatsConfig sys_cfg;
369 sys_cfg.set_devfreq_period_ms(10);
370 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
371 auto data_source = GetSysStatsDataSource(config);
372
373 // Create dirs and symlinks, but only read the symlinks.
374 std::vector<std::string> dirs_to_delete;
375 std::vector<std::string> symlinks_to_delete;
376 auto make_devfreq_paths = [&symlinks_to_delete, &dirs_to_delete](
377 base::TempDir& temp_dir, base::TempDir& sym_dir,
378 const char* name) {
379 char path[256];
380 sprintf(path, "%s/%s", temp_dir.path().c_str(), name);
381 dirs_to_delete.push_back(path);
382 mkdir(path, 0755);
383 char sym_path[256];
384 sprintf(sym_path, "%s/%s", sym_dir.path().c_str(), name);
385 symlinks_to_delete.push_back(sym_path);
386 symlink(path, sym_path);
387 };
388 auto fake_devfreq = base::TempDir::Create();
389 auto fake_devfreq_symdir = base::TempDir::Create();
390 static const char* const devfreq_names[] = {"10010.devfreq_device_a",
391 "10020.devfreq_device_b"};
392 for (auto dev : devfreq_names) {
393 make_devfreq_paths(fake_devfreq, fake_devfreq_symdir, dev);
394 }
395
396 EXPECT_CALL(*data_source, OpenDevfreqDir())
397 .WillRepeatedly(Invoke([&fake_devfreq_symdir] {
398 return base::ScopedDir(opendir(fake_devfreq_symdir.path().c_str()));
399 }));
400 EXPECT_CALL(*data_source, ReadDevfreqCurFreq("10010.devfreq_device_a"))
401 .WillRepeatedly(Return(kDevfreq1));
402 EXPECT_CALL(*data_source, ReadDevfreqCurFreq("10020.devfreq_device_b"))
403 .WillRepeatedly(Return(kDevfreq2));
404
405 WaitTick(data_source.get());
406
407 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
408 ASSERT_TRUE(packet.has_sys_stats());
409 const auto& sys_stats = packet.sys_stats();
410 EXPECT_EQ(sys_stats.meminfo_size(), 0);
411 EXPECT_EQ(sys_stats.cpu_stat_size(), 0);
412
413 using KV = std::pair<std::string, uint64_t>;
414 std::vector<KV> kvs;
415 for (const auto& kv : sys_stats.devfreq())
416 kvs.push_back({kv.key(), kv.value()});
417 EXPECT_THAT(kvs,
418 UnorderedElementsAre(KV{"10010.devfreq_device_a", 1000000},
419 KV{"10020.devfreq_device_b", 20000000}));
420 for (const std::string& path : dirs_to_delete)
421 base::Rmdir(path);
422 for (const std::string& path : symlinks_to_delete)
423 remove(path.c_str());
424 }
425
TEST_F(SysStatsDataSourceTest,StatAll)426 TEST_F(SysStatsDataSourceTest, StatAll) {
427 DataSourceConfig config;
428 protos::gen::SysStatsConfig sys_cfg;
429 sys_cfg.set_stat_period_ms(10);
430 config.set_sys_stats_config_raw(sys_cfg.SerializeAsString());
431 auto data_source = GetSysStatsDataSource(config);
432
433 WaitTick(data_source.get());
434
435 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
436 ASSERT_TRUE(packet.has_sys_stats());
437 const auto& sys_stats = packet.sys_stats();
438 EXPECT_EQ(sys_stats.meminfo_size(), 0);
439 EXPECT_EQ(sys_stats.vmstat_size(), 0);
440
441 ASSERT_EQ(sys_stats.cpu_stat_size(), 8);
442 EXPECT_EQ(sys_stats.cpu_stat()[0].user_ns(), 762178 * 10000000ull);
443 EXPECT_EQ(sys_stats.cpu_stat()[0].system_mode_ns(), 902284 * 10000000ull);
444 EXPECT_EQ(sys_stats.cpu_stat()[0].softirq_ns(), 68262 * 10000000ull);
445 EXPECT_EQ(sys_stats.cpu_stat()[7].user_ns(), 180484 * 10000000ull);
446 EXPECT_EQ(sys_stats.cpu_stat()[7].system_mode_ns(), 139874 * 10000000ull);
447 EXPECT_EQ(sys_stats.cpu_stat()[7].softirq_ns(), 13407 * 10000000ull);
448
449 EXPECT_EQ(sys_stats.num_forks(), 243320u);
450
451 EXPECT_EQ(sys_stats.num_irq_total(), 238128517u);
452 ASSERT_EQ(sys_stats.num_irq_size(), 102);
453 EXPECT_EQ(sys_stats.num_irq()[0].count(), 63500984u);
454 EXPECT_EQ(sys_stats.num_irq()[0].irq(), 3);
455 EXPECT_EQ(sys_stats.num_irq()[1].count(), 6253792u);
456 EXPECT_EQ(sys_stats.num_irq()[1].irq(), 5);
457 EXPECT_EQ(sys_stats.num_irq()[101].count(), 680u);
458
459 EXPECT_EQ(sys_stats.num_softirq_total(), 84611084u);
460 ASSERT_EQ(sys_stats.num_softirq_size(), 10);
461 EXPECT_EQ(sys_stats.num_softirq()[0].count(), 10220177u);
462 EXPECT_EQ(sys_stats.num_softirq()[9].count(), 16443195u);
463
464 EXPECT_EQ(sys_stats.num_softirq_total(), 84611084u);
465 }
466
TEST_F(SysStatsDataSourceTest,StatForksOnly)467 TEST_F(SysStatsDataSourceTest, StatForksOnly) {
468 protos::gen::SysStatsConfig cfg;
469 cfg.set_stat_period_ms(10);
470 cfg.add_stat_counters(protos::gen::SysStatsConfig::STAT_FORK_COUNT);
471 DataSourceConfig config_obj;
472 config_obj.set_sys_stats_config_raw(cfg.SerializeAsString());
473 auto data_source = GetSysStatsDataSource(config_obj);
474
475 WaitTick(data_source.get());
476
477 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
478 ASSERT_TRUE(packet.has_sys_stats());
479 const auto& sys_stats = packet.sys_stats();
480 EXPECT_EQ(sys_stats.meminfo_size(), 0);
481 EXPECT_EQ(sys_stats.vmstat_size(), 0);
482 ASSERT_EQ(sys_stats.cpu_stat_size(), 0);
483 EXPECT_EQ(sys_stats.num_forks(), 243320u);
484 EXPECT_EQ(sys_stats.num_irq_total(), 0u);
485 ASSERT_EQ(sys_stats.num_irq_size(), 0);
486 EXPECT_EQ(sys_stats.num_softirq_total(), 0u);
487 ASSERT_EQ(sys_stats.num_softirq_size(), 0);
488 }
489
TEST_F(SysStatsDataSourceTest,Cpufreq)490 TEST_F(SysStatsDataSourceTest, Cpufreq) {
491 protos::gen::SysStatsConfig cfg;
492 cfg.set_cpufreq_period_ms(10);
493 DataSourceConfig config_obj;
494 config_obj.set_sys_stats_config_raw(cfg.SerializeAsString());
495 auto data_source = GetSysStatsDataSource(config_obj);
496
497 WaitTick(data_source.get());
498
499 protos::gen::TracePacket packet = writer_raw_->GetOnlyTracePacket();
500 ASSERT_TRUE(packet.has_sys_stats());
501 const auto& sys_stats = packet.sys_stats();
502 EXPECT_GT(sys_stats.cpufreq_khz_size(), 0);
503 EXPECT_EQ(sys_stats.cpufreq_khz()[0], 2650000u);
504 if (sys_stats.cpufreq_khz_size() > 1) {
505 // We emulated 2 CPUs but it is possible the test system is single core.
506 EXPECT_EQ(sys_stats.cpufreq_khz()[1], 3698200u);
507 }
508 for (unsigned int i = 2;
509 i < static_cast<unsigned int>(sys_stats.cpufreq_khz_size()); i++) {
510 // For cpux which scaling_cur_freq was not emulated in unittest, cpufreq
511 // should be recorded as 0
512 EXPECT_EQ(sys_stats.cpufreq_khz()[i], 0u);
513 }
514 }
515
516 } // namespace
517 } // namespace perfetto
518