Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 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 | package com.android.internal.os; |
| 18 | |
Misha Wagner | 0c5edc36 | 2018-10-24 11:28:57 +0100 | [diff] [blame] | 19 | import static org.junit.Assert.assertArrayEquals; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 20 | import static org.junit.Assert.assertEquals; |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 21 | import static org.junit.Assert.assertFalse; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 22 | import static org.junit.Assert.assertNotNull; |
| 23 | import static org.junit.Assert.assertTrue; |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 24 | import static org.testng.Assert.assertThrows; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 25 | |
| 26 | import android.content.Context; |
| 27 | import android.os.FileUtils; |
Tadashi G. Takaoka | b4470f2 | 2019-01-15 18:29:15 +0900 | [diff] [blame] | 28 | |
| 29 | import androidx.test.InstrumentationRegistry; |
| 30 | import androidx.test.filters.SmallTest; |
| 31 | import androidx.test.runner.AndroidJUnit4; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 32 | |
| 33 | import org.junit.After; |
| 34 | import org.junit.Before; |
| 35 | import org.junit.Test; |
| 36 | import org.junit.runner.RunWith; |
| 37 | |
| 38 | import java.io.File; |
| 39 | import java.io.IOException; |
| 40 | import java.io.OutputStream; |
| 41 | import java.nio.file.Files; |
| 42 | import java.nio.file.Path; |
| 43 | import java.util.ArrayList; |
| 44 | import java.util.Comparator; |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 45 | import java.util.function.Predicate; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 46 | |
| 47 | @SmallTest |
| 48 | @RunWith(AndroidJUnit4.class) |
| 49 | public class KernelCpuThreadReaderTest { |
| 50 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 51 | private static final int UID = 1000; |
| 52 | private static final int PROCESS_ID = 1234; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 53 | private static final int[] THREAD_IDS = {0, 1000, 1235, 4321}; |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 54 | private static final String PROCESS_NAME = "test_process"; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 55 | private static final String[] THREAD_NAMES = { |
| 56 | "test_thread_1", "test_thread_2", "test_thread_3", "test_thread_4" |
| 57 | }; |
| 58 | private static final int[] THREAD_CPU_FREQUENCIES = { |
| 59 | 1000, 2000, 3000, 4000, |
| 60 | }; |
| 61 | private static final int[][] THREAD_CPU_TIMES = { |
Misha Wagner | 9a30c11 | 2018-11-27 10:33:06 +0000 | [diff] [blame] | 62 | {1, 0, 0, 1}, |
| 63 | {0, 0, 0, 0}, |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 64 | {1000, 1000, 1000, 1000}, |
| 65 | {0, 1, 2, 3}, |
| 66 | }; |
| 67 | |
| 68 | private File mProcDirectory; |
| 69 | |
| 70 | @Before |
| 71 | public void setUp() { |
| 72 | Context context = InstrumentationRegistry.getContext(); |
| 73 | mProcDirectory = context.getDir("proc", Context.MODE_PRIVATE); |
| 74 | } |
| 75 | |
| 76 | @After |
| 77 | public void tearDown() throws Exception { |
| 78 | FileUtils.deleteContents(mProcDirectory); |
| 79 | } |
| 80 | |
| 81 | @Test |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 82 | public void testReader_currentProcess() throws IOException { |
| 83 | KernelCpuThreadReader.Injector processUtils = |
| 84 | new KernelCpuThreadReader.Injector() { |
| 85 | @Override |
| 86 | public int myPid() { |
| 87 | return PROCESS_ID; |
| 88 | } |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 89 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 90 | @Override |
| 91 | public int myUid() { |
| 92 | return UID; |
| 93 | } |
| 94 | |
| 95 | @Override |
| 96 | public int getUidForPid(int pid) { |
| 97 | return 0; |
| 98 | } |
| 99 | }; |
| 100 | setupDirectory(mProcDirectory.toPath().resolve("self"), THREAD_IDS, PROCESS_NAME, |
| 101 | THREAD_NAMES, THREAD_CPU_FREQUENCIES, THREAD_CPU_TIMES); |
| 102 | |
| 103 | final KernelCpuThreadReader kernelCpuThreadReader = new KernelCpuThreadReader( |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 104 | 8, |
| 105 | uid -> 1000 <= uid && uid < 2000, |
Misha Wagner | 648d203 | 2019-02-11 10:43:27 +0000 | [diff] [blame] | 106 | 0, |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 107 | mProcDirectory.toPath(), |
| 108 | mProcDirectory.toPath().resolve("self/task/" + THREAD_IDS[0] + "/time_in_state"), |
| 109 | processUtils); |
| 110 | final KernelCpuThreadReader.ProcessCpuUsage processCpuUsage = |
| 111 | kernelCpuThreadReader.getCurrentProcessCpuUsage(); |
| 112 | checkResults(processCpuUsage, kernelCpuThreadReader.getCpuFrequenciesKhz(), UID, PROCESS_ID, |
| 113 | THREAD_IDS, PROCESS_NAME, THREAD_NAMES, THREAD_CPU_FREQUENCIES, THREAD_CPU_TIMES); |
| 114 | } |
| 115 | |
| 116 | @Test |
| 117 | public void testReader_byUids() throws IOException { |
| 118 | int[] uids = new int[]{0, 2, 3, 4, 5, 6000}; |
| 119 | Predicate<Integer> uidPredicate = uid -> uid == 0 || uid >= 4; |
| 120 | int[] expectedUids = new int[]{0, 4, 5, 6000}; |
| 121 | KernelCpuThreadReader.Injector processUtils = |
| 122 | new KernelCpuThreadReader.Injector() { |
| 123 | @Override |
| 124 | public int myPid() { |
| 125 | return 0; |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | public int myUid() { |
| 130 | return 0; |
| 131 | } |
| 132 | |
| 133 | @Override |
| 134 | public int getUidForPid(int pid) { |
| 135 | return pid; |
| 136 | } |
| 137 | }; |
| 138 | |
| 139 | for (int uid : uids) { |
| 140 | setupDirectory(mProcDirectory.toPath().resolve(String.valueOf(uid)), |
| 141 | new int[]{uid * 10}, |
| 142 | "process" + uid, new String[]{"thread" + uid}, new int[]{1000}, |
Misha Wagner | 9a30c11 | 2018-11-27 10:33:06 +0000 | [diff] [blame] | 143 | new int[][]{{uid}}); |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 144 | } |
| 145 | final KernelCpuThreadReader kernelCpuThreadReader = new KernelCpuThreadReader( |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 146 | 8, |
| 147 | uidPredicate, |
Misha Wagner | 648d203 | 2019-02-11 10:43:27 +0000 | [diff] [blame] | 148 | 0, |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 149 | mProcDirectory.toPath(), |
| 150 | mProcDirectory.toPath().resolve(uids[0] + "/task/" + uids[0] + "/time_in_state"), |
| 151 | processUtils); |
| 152 | ArrayList<KernelCpuThreadReader.ProcessCpuUsage> processCpuUsageByUids = |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 153 | kernelCpuThreadReader.getProcessCpuUsageByUids(); |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 154 | processCpuUsageByUids.sort(Comparator.comparing(usage -> usage.processId)); |
| 155 | |
| 156 | assertEquals(expectedUids.length, processCpuUsageByUids.size()); |
| 157 | for (int i = 0; i < expectedUids.length; i++) { |
| 158 | KernelCpuThreadReader.ProcessCpuUsage processCpuUsage = |
| 159 | processCpuUsageByUids.get(i); |
| 160 | int uid = expectedUids[i]; |
| 161 | checkResults(processCpuUsage, kernelCpuThreadReader.getCpuFrequenciesKhz(), |
| 162 | uid, uid, new int[]{uid * 10}, "process" + uid, new String[]{"thread" + uid}, |
Misha Wagner | 9a30c11 | 2018-11-27 10:33:06 +0000 | [diff] [blame] | 163 | new int[]{1000}, new int[][]{{uid}}); |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 164 | } |
| 165 | } |
| 166 | |
Misha Wagner | 648d203 | 2019-02-11 10:43:27 +0000 | [diff] [blame] | 167 | @Test |
| 168 | public void testReader_filtersLowUsage() throws IOException { |
| 169 | int[] uids = new int[]{0, 1, 2, 3, 4}; |
| 170 | int[] cpuUsage = new int[]{10, 0, 2, 100, 3}; |
| 171 | int[] expectedUids = new int[]{0, 3, 4}; |
| 172 | Predicate<Integer> uidPredicate = uid -> true; |
| 173 | KernelCpuThreadReader.Injector processUtils = |
| 174 | new KernelCpuThreadReader.Injector() { |
| 175 | @Override |
| 176 | public int myPid() { |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | @Override |
| 181 | public int myUid() { |
| 182 | return 0; |
| 183 | } |
| 184 | |
| 185 | @Override |
| 186 | public int getUidForPid(int pid) { |
| 187 | return pid; |
| 188 | } |
| 189 | }; |
| 190 | |
| 191 | for (int i = 0; i < uids.length; i++) { |
| 192 | int uid = uids[i]; |
| 193 | setupDirectory( |
| 194 | mProcDirectory.toPath().resolve(String.valueOf(uid)), |
| 195 | new int[]{uid * 10}, |
| 196 | "process" + uid, |
| 197 | new String[]{"thread" + uid}, |
| 198 | new int[]{1000}, |
| 199 | new int[][]{{cpuUsage[i]}}); |
| 200 | } |
| 201 | final KernelCpuThreadReader kernelCpuThreadReader = new KernelCpuThreadReader( |
| 202 | 8, |
| 203 | uidPredicate, |
| 204 | 30, |
| 205 | mProcDirectory.toPath(), |
| 206 | mProcDirectory.toPath().resolve(uids[0] + "/task/" + uids[0] + "/time_in_state"), |
| 207 | processUtils); |
| 208 | ArrayList<KernelCpuThreadReader.ProcessCpuUsage> processCpuUsageByUids = |
| 209 | kernelCpuThreadReader.getProcessCpuUsageByUids(); |
| 210 | processCpuUsageByUids.sort(Comparator.comparing(usage -> usage.uid)); |
| 211 | |
| 212 | assertEquals(expectedUids.length, processCpuUsageByUids.size()); |
| 213 | for (int i = 0; i < expectedUids.length; i++) { |
| 214 | KernelCpuThreadReader.ProcessCpuUsage processCpuUsage = |
| 215 | processCpuUsageByUids.get(i); |
| 216 | assertEquals(expectedUids[i], processCpuUsage.uid); |
| 217 | } |
| 218 | |
| 219 | } |
| 220 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 221 | private void setupDirectory(Path processPath, int[] threadIds, String processName, |
| 222 | String[] threadNames, int[] cpuFrequencies, int[][] cpuTimes) throws IOException { |
| 223 | // Make /proc/$PID |
| 224 | assertTrue(processPath.toFile().mkdirs()); |
| 225 | |
| 226 | // Make /proc/$PID/task |
| 227 | final Path selfThreadsPath = processPath.resolve("task"); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 228 | assertTrue(selfThreadsPath.toFile().mkdirs()); |
| 229 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 230 | // Make /proc/$PID/cmdline |
| 231 | Files.write(processPath.resolve("cmdline"), processName.getBytes()); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 232 | |
| 233 | // Make thread directories in reverse order, as they are read in order of creation by |
| 234 | // CpuThreadProcReader |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 235 | for (int i = 0; i < threadIds.length; i++) { |
| 236 | // Make /proc/$PID/task/$TID |
| 237 | final Path threadPath = selfThreadsPath.resolve(String.valueOf(threadIds[i])); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 238 | assertTrue(threadPath.toFile().mkdirs()); |
| 239 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 240 | // Make /proc/$PID/task/$TID/comm |
| 241 | Files.write(threadPath.resolve("comm"), threadNames[i].getBytes()); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 242 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 243 | // Make /proc/$PID/task/$TID/time_in_state |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 244 | final OutputStream timeInStateStream = |
| 245 | Files.newOutputStream(threadPath.resolve("time_in_state")); |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 246 | for (int j = 0; j < cpuFrequencies.length; j++) { |
| 247 | final String line = String.valueOf(cpuFrequencies[j]) + " " |
| 248 | + String.valueOf(cpuTimes[i][j]) + "\n"; |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 249 | timeInStateStream.write(line.getBytes()); |
| 250 | } |
| 251 | timeInStateStream.close(); |
| 252 | } |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 253 | } |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 254 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 255 | private void checkResults(KernelCpuThreadReader.ProcessCpuUsage processCpuUsage, |
| 256 | int[] readerCpuFrequencies, int uid, int processId, int[] threadIds, String processName, |
| 257 | String[] threadNames, int[] cpuFrequencies, int[][] cpuTimes) { |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 258 | assertNotNull(processCpuUsage); |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 259 | assertEquals(processId, processCpuUsage.processId); |
| 260 | assertEquals(uid, processCpuUsage.uid); |
| 261 | assertEquals(processName, processCpuUsage.processName); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 262 | |
| 263 | // Sort the thread CPU usages to compare with test case |
| 264 | final ArrayList<KernelCpuThreadReader.ThreadCpuUsage> threadCpuUsages = |
| 265 | new ArrayList<>(processCpuUsage.threadCpuUsages); |
| 266 | threadCpuUsages.sort(Comparator.comparingInt(a -> a.threadId)); |
| 267 | |
| 268 | int threadCount = 0; |
| 269 | for (KernelCpuThreadReader.ThreadCpuUsage threadCpuUsage : threadCpuUsages) { |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 270 | assertEquals(threadIds[threadCount], threadCpuUsage.threadId); |
| 271 | assertEquals(threadNames[threadCount], threadCpuUsage.threadName); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 272 | |
| 273 | for (int i = 0; i < threadCpuUsage.usageTimesMillis.length; i++) { |
| 274 | assertEquals( |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 275 | cpuTimes[threadCount][i] * 10, |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 276 | threadCpuUsage.usageTimesMillis[i]); |
| 277 | assertEquals( |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 278 | cpuFrequencies[i], |
| 279 | readerCpuFrequencies[i]); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 280 | } |
| 281 | threadCount++; |
| 282 | } |
| 283 | |
Misha Wagner | dc79754 | 2018-10-29 13:21:34 +0000 | [diff] [blame] | 284 | assertEquals(threadCount, threadIds.length); |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 285 | } |
Misha Wagner | 0c5edc36 | 2018-10-24 11:28:57 +0100 | [diff] [blame] | 286 | |
| 287 | @Test |
| 288 | public void testBucketSetup_simple() { |
| 289 | long[] frequencies = {1, 2, 3, 4, 1, 2, 3, 4}; |
| 290 | KernelCpuThreadReader.FrequencyBucketCreator |
| 291 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 292 | frequencies, 4); |
| 293 | assertArrayEquals( |
| 294 | new int[]{1, 3, 1, 3}, |
| 295 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 296 | assertArrayEquals( |
| 297 | new int[]{2, 2, 2, 2}, |
| 298 | frequencyBucketCreator.getBucketedValues(new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 299 | } |
| 300 | |
| 301 | @Test |
| 302 | public void testBucketSetup_noBig() { |
| 303 | long[] frequencies = {1, 2, 3, 4, 5, 6, 7, 8}; |
| 304 | KernelCpuThreadReader.FrequencyBucketCreator |
| 305 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 306 | frequencies, 4); |
| 307 | assertArrayEquals( |
| 308 | new int[]{1, 3, 5, 7}, |
| 309 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 310 | assertArrayEquals( |
| 311 | new int[]{2, 2, 2, 2}, |
| 312 | frequencyBucketCreator.getBucketedValues(new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 313 | } |
| 314 | |
| 315 | @Test |
| 316 | public void testBucketSetup_moreLittle() { |
| 317 | long[] frequencies = {1, 2, 3, 4, 5, 1, 2, 3}; |
| 318 | KernelCpuThreadReader.FrequencyBucketCreator |
| 319 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 320 | frequencies, 4); |
| 321 | assertArrayEquals( |
| 322 | new int[]{1, 3, 1, 2}, |
| 323 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 324 | assertArrayEquals( |
| 325 | new int[]{2, 3, 1, 2}, |
| 326 | frequencyBucketCreator.getBucketedValues(new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 327 | } |
| 328 | |
| 329 | @Test |
| 330 | public void testBucketSetup_moreBig() { |
| 331 | long[] frequencies = {1, 2, 3, 1, 2, 3, 4, 5}; |
| 332 | KernelCpuThreadReader.FrequencyBucketCreator |
| 333 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 334 | frequencies, 4); |
| 335 | assertArrayEquals( |
| 336 | new int[]{1, 2, 1, 3}, |
| 337 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 338 | assertArrayEquals( |
| 339 | new int[]{1, 2, 2, 3}, |
| 340 | frequencyBucketCreator.getBucketedValues(new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 341 | } |
| 342 | |
| 343 | @Test |
| 344 | public void testBucketSetup_equalBuckets() { |
| 345 | long[] frequencies = {1, 2, 3, 4, 1, 2, 3, 4}; |
| 346 | KernelCpuThreadReader.FrequencyBucketCreator |
| 347 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 348 | frequencies, 8); |
| 349 | assertArrayEquals( |
| 350 | new int[]{1, 2, 3, 4, 1, 2, 3, 4}, |
| 351 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 352 | assertArrayEquals( |
| 353 | new int[]{1, 1, 1, 1, 1, 1, 1, 1}, |
| 354 | frequencyBucketCreator.getBucketedValues(new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 355 | } |
| 356 | |
| 357 | @Test |
| 358 | public void testBucketSetup_moreBigBucketsThanFrequencies() { |
| 359 | long[] frequencies = {1, 2, 3, 4, 5, 6, 7, 8, 9, 1, 2, 3}; |
| 360 | KernelCpuThreadReader.FrequencyBucketCreator |
| 361 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 362 | frequencies, 8); |
| 363 | assertArrayEquals( |
| 364 | new int[]{1, 3, 5, 7, 1, 2, 3}, |
| 365 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 366 | assertArrayEquals( |
| 367 | new int[]{2, 2, 2, 3, 1, 1, 1}, |
| 368 | frequencyBucketCreator.getBucketedValues( |
| 369 | new long[]{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1})); |
| 370 | } |
| 371 | |
| 372 | @Test |
| 373 | public void testBucketSetup_oneBucket() { |
| 374 | long[] frequencies = {1, 2, 3, 4, 2, 3, 4, 5}; |
| 375 | KernelCpuThreadReader.FrequencyBucketCreator |
| 376 | frequencyBucketCreator = new KernelCpuThreadReader.FrequencyBucketCreator( |
| 377 | frequencies, 1); |
| 378 | assertArrayEquals( |
| 379 | new int[]{1}, |
| 380 | frequencyBucketCreator.getBucketMinFrequencies(frequencies)); |
| 381 | assertArrayEquals( |
| 382 | new int[]{8}, |
| 383 | frequencyBucketCreator.getBucketedValues( |
| 384 | new long[]{1, 1, 1, 1, 1, 1, 1, 1})); |
| 385 | } |
| 386 | |
Misha Wagner | 0c5edc36 | 2018-10-24 11:28:57 +0100 | [diff] [blame] | 387 | @Test |
| 388 | public void testGetBigFrequenciesStartIndex_simple() { |
| 389 | assertEquals( |
| 390 | 3, KernelCpuThreadReader.FrequencyBucketCreator.getBigFrequenciesStartIndex( |
| 391 | new long[]{1, 2, 3, 1, 2, 3})); |
| 392 | } |
| 393 | |
| 394 | @Test |
| 395 | public void testGetBigFrequenciesStartIndex_moreLittle() { |
| 396 | assertEquals( |
| 397 | 4, KernelCpuThreadReader.FrequencyBucketCreator.getBigFrequenciesStartIndex( |
| 398 | new long[]{1, 2, 3, 4, 1, 2})); |
| 399 | } |
| 400 | |
| 401 | @Test |
| 402 | public void testGetBigFrequenciesStartIndex_moreBig() { |
| 403 | assertEquals( |
| 404 | 2, KernelCpuThreadReader.FrequencyBucketCreator.getBigFrequenciesStartIndex( |
| 405 | new long[]{1, 2, 1, 2, 3, 4})); |
| 406 | } |
| 407 | |
| 408 | @Test |
| 409 | public void testGetBigFrequenciesStartIndex_noBig() { |
| 410 | assertEquals( |
| 411 | 4, KernelCpuThreadReader.FrequencyBucketCreator.getBigFrequenciesStartIndex( |
| 412 | new long[]{1, 2, 3, 4})); |
| 413 | } |
Misha Wagner | 4b32c9f | 2019-01-25 15:30:14 +0000 | [diff] [blame] | 414 | |
| 415 | @Test |
| 416 | public void testUidPredicate_singleRange() { |
| 417 | KernelCpuThreadReaderSettingsObserver.UidPredicate uidPredicate = |
| 418 | KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("1000-1999"); |
| 419 | assertTrue(uidPredicate.test(1000)); |
| 420 | assertTrue(uidPredicate.test(1050)); |
| 421 | assertTrue(uidPredicate.test(1999)); |
| 422 | assertFalse(uidPredicate.test(2000)); |
| 423 | assertFalse(uidPredicate.test(0)); |
| 424 | assertFalse(uidPredicate.test(10000)); |
| 425 | assertFalse(uidPredicate.test(-100)); |
| 426 | } |
| 427 | |
| 428 | @Test |
| 429 | public void testUidPredicate_singleUid() { |
| 430 | KernelCpuThreadReaderSettingsObserver.UidPredicate uidPredicate = |
| 431 | KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("1234-1234"); |
| 432 | assertTrue(uidPredicate.test(1234)); |
| 433 | assertFalse(uidPredicate.test(1235)); |
| 434 | assertFalse(uidPredicate.test(1232)); |
| 435 | assertFalse(uidPredicate.test(0)); |
| 436 | assertFalse(uidPredicate.test(-1234)); |
| 437 | } |
| 438 | |
| 439 | @Test |
| 440 | public void testUidPredicate_uidAndRange() { |
| 441 | KernelCpuThreadReaderSettingsObserver.UidPredicate uidPredicate = |
| 442 | KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString( |
| 443 | "1000-1000;1050-1060"); |
| 444 | assertTrue(uidPredicate.test(1000)); |
| 445 | assertTrue(uidPredicate.test(1050)); |
| 446 | assertTrue(uidPredicate.test(1054)); |
| 447 | assertTrue(uidPredicate.test(1060)); |
| 448 | assertFalse(uidPredicate.test(1040)); |
| 449 | assertFalse(uidPredicate.test(1001)); |
| 450 | assertFalse(uidPredicate.test(0)); |
| 451 | assertFalse(uidPredicate.test(-1000)); |
| 452 | } |
| 453 | |
| 454 | @Test |
| 455 | public void testUidPredicate_multiple() { |
| 456 | KernelCpuThreadReaderSettingsObserver.UidPredicate uidPredicate = |
| 457 | KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString( |
| 458 | "1000-1000;1050-1060;1001-1001;2000-3000"); |
| 459 | assertTrue(uidPredicate.test(1000)); |
| 460 | assertTrue(uidPredicate.test(1001)); |
| 461 | assertTrue(uidPredicate.test(1050)); |
| 462 | assertTrue(uidPredicate.test(1054)); |
| 463 | assertTrue(uidPredicate.test(1060)); |
| 464 | assertTrue(uidPredicate.test(1001)); |
| 465 | assertTrue(uidPredicate.test(2000)); |
| 466 | assertTrue(uidPredicate.test(2444)); |
| 467 | assertTrue(uidPredicate.test(3000)); |
| 468 | assertFalse(uidPredicate.test(0)); |
| 469 | assertFalse(uidPredicate.test(1040)); |
| 470 | assertFalse(uidPredicate.test(3001)); |
| 471 | assertFalse(uidPredicate.test(1999)); |
| 472 | } |
| 473 | |
| 474 | @Test |
| 475 | public void testUidPredicate_emptyRangeString() { |
| 476 | assertThrows( |
| 477 | NumberFormatException.class, |
| 478 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("")); |
| 479 | } |
| 480 | |
| 481 | @Test |
| 482 | public void testUidPredicate_singleNumber() { |
| 483 | assertThrows( |
| 484 | NumberFormatException.class, |
| 485 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("1000")); |
| 486 | } |
| 487 | |
| 488 | @Test |
| 489 | public void testUidPredicate_lettersInRange() { |
| 490 | assertThrows( |
| 491 | NumberFormatException.class, |
| 492 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString( |
| 493 | "0-0;1-1;a;3-3")); |
| 494 | } |
| 495 | |
| 496 | @Test |
| 497 | public void testUidPredicate_onlyLetters() { |
| 498 | assertThrows( |
| 499 | NumberFormatException.class, |
| 500 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("abc")); |
| 501 | } |
| 502 | |
| 503 | @Test |
| 504 | public void testUidPredicate_backwardsRange() { |
| 505 | assertThrows( |
| 506 | IllegalArgumentException.class, |
| 507 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("20-10")); |
| 508 | } |
| 509 | |
| 510 | @Test |
| 511 | public void testUidPredicate_comma() { |
| 512 | assertThrows( |
| 513 | NumberFormatException.class, |
| 514 | () -> KernelCpuThreadReaderSettingsObserver.UidPredicate.fromString("1-1,2-2,3-3")); |
| 515 | } |
Misha Wagner | 566903a | 2018-10-02 10:50:12 +0100 | [diff] [blame] | 516 | } |