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2025-12-13 - 15:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack4slot4.osadl.org (updated Sat Dec 13, 2025 12:53:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71700rcu_preempt0-21swapper/311:06:253
71700rcu_preempt0-21swapper/311:06:253
71660rcu_preempt0-21swapper/312:12:553
71600rcu_preempt0-21swapper/311:11:493
71600rcu_preempt0-21swapper/311:11:493
71600rcu_preempt0-21swapper/112:41:521
71600rcu_preempt0-21swapper/112:41:521
71550rcu_preempt0-21swapper/210:15:342
71550rcu_preempt0-21swapper/210:15:342
71520rcu_preempt0-21swapper/010:00:530
100650520irq/38-i2c-mpc5922-21copy12:45:072
100650520irq/38-i2c-mpc5922-21copy12:45:072
71510rcu_preempt0-21swapper/311:36:333
71510rcu_preempt0-21swapper/311:36:333
71490rcu_preempt0-21swapper/209:52:392
71480rcu_preempt0-21swapper/209:42:572
46050480irq/122-QManpo1958-2110:48:540
46050480irq/122-QManpo1958-2110:48:540
71460rcu_preempt0-21swapper/111:32:091
71460rcu_preempt0-21swapper/010:52:350
71460rcu_preempt0-21swapper/010:52:350
46050460irq/122-QManpo1958-2110:48:540
46050460irq/122-QManpo1958-2110:48:540
71450rcu_preempt0-21swapper/109:19:501
71450rcu_preempt0-21swapper/109:19:501
71420rcu_preempt0-21swapper/112:38:151
71420rcu_preempt0-21swapper/112:38:151
71400rcu_preempt9998-21ssh11:00:150
71400rcu_preempt9998-21ssh11:00:150
71400rcu_preempt4655-1kworker/2:0H08:48:212
71400rcu_preempt4655-1kworker/2:0H08:48:212
71400rcu_preempt0-21swapper/009:17:190
71400rcu_preempt0-21swapper/009:17:190
71390rcu_preempt23120-21sh12:18:250
71390rcu_preempt23120-21sh12:18:250
71390rcu_preempt0-21swapper/311:46:183
71390rcu_preempt0-21swapper/110:56:061
71390rcu_preempt0-21swapper/110:56:061
71390rcu_preempt0-21swapper/109:29:281
71390rcu_preempt0-21swapper/109:29:281
71390rcu_preempt0-21swapper/011:41:570
71390rcu_preempt0-21swapper/011:41:570
71380rcu_preempt3972-21ls10:50:043
71380rcu_preempt30811-21taskset08:25:180
71380rcu_preempt0-21swapper/109:32:391
71380rcu_preempt0-21swapper/109:32:391
71380rcu_preempt0-21swapper/010:23:250
71380rcu_preempt0-21swapper/010:23:250
46050380irq/122-QManpo9665-2110:48:540
46050380irq/122-QManpo9665-2110:48:540
46050380irq/122-QManpo0-210
1599380migration/026018-21/usr/sbin/munin09:35:310
1599380migration/026018-21/usr/sbin/munin09:35:310
100650380irq/38-i2c-mpc0-21swapper/011:29:500
100650380irq/38-i2c-mpc0-21swapper/011:29:500
71370rcu_preempt21695-21/usr/sbin/munin07:50:290
71370rcu_preempt21695-21/usr/sbin/munin07:50:290
71370rcu_preempt15337-21ssh11:09:420
71370rcu_preempt15337-21ssh11:09:420
71370rcu_preempt0-21swapper/309:11:243
71370rcu_preempt0-21swapper/309:11:243
71370rcu_preempt0-21swapper/111:29:481
71370rcu_preempt0-21swapper/111:29:481
71370rcu_preempt0-21swapper/110:15:051
71370rcu_preempt0-21swapper/109:44:371
71370rcu_preempt0-21swapper/012:31:430
71370rcu_preempt0-21swapper/012:31:430
71370rcu_preempt0-21swapper/012:24:020
71370rcu_preempt0-21swapper/012:24:020
71370rcu_preempt0-21swapper/011:24:130
71370rcu_preempt0-21swapper/011:24:130
71370rcu_preempt0-21swapper/010:56:270
71370rcu_preempt0-21swapper/010:56:270
71370rcu_preempt0-21swapper/009:52:300
46050370irq/122-QManpo22408-2110:48:540
46050370irq/122-QManpo22408-2110:48:540
46050370irq/122-QManpo18583-2110:48:540
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
100650370irq/38-i2c-mpc0-21swapper/008:34:110
100650370irq/38-i2c-mpc0-21swapper/008:34:110
71360rcu_preempt31880-21cat08:30:031
71360rcu_preempt23540-21ssh12:19:312
71360rcu_preempt23540-21ssh12:19:312
71360rcu_preempt19514-21kworker/2:211:15:062
71360rcu_preempt19514-21kworker/2:211:15:062
71360rcu_preempt15761-21ntpdc12:05:252
71360rcu_preempt0-21swapper/312:32:173
71360rcu_preempt0-21swapper/312:32:173
71360rcu_preempt0-21swapper/310:58:473
71360rcu_preempt0-21swapper/310:58:473
71360rcu_preempt0-21swapper/307:55:033
71360rcu_preempt0-21swapper/307:55:033
71360rcu_preempt0-21swapper/209:35:462
71360rcu_preempt0-21swapper/209:35:462
71360rcu_preempt0-21swapper/112:12:371
71360rcu_preempt0-21swapper/111:15:101
71360rcu_preempt0-21swapper/111:15:101
71360rcu_preempt0-21swapper/110:23:421
71360rcu_preempt0-21swapper/110:23:421
71360rcu_preempt0-21swapper/109:35:141
71360rcu_preempt0-21swapper/109:35:141
71360rcu_preempt0-21swapper/109:24:361
71360rcu_preempt0-21swapper/109:24:361
71360rcu_preempt0-21swapper/108:05:081
71360rcu_preempt0-21swapper/108:05:081
71360rcu_preempt0-21swapper/012:39:160
71360rcu_preempt0-21swapper/012:39:160
71360rcu_preempt0-21swapper/012:08:060
71360rcu_preempt0-21swapper/009:55:400
71360rcu_preempt0-21swapper/009:55:400
71360rcu_preempt0-21swapper/009:55:400
71360rcu_preempt0-21swapper/008:15:040
46050360irq/122-QManpo20348-210
46050360irq/122-QManpo20348-210
46050360irq/122-QManpo13176-2110:48:540
46050360irq/122-QManpo13176-2110:48:540
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
263732360chrt22858-1kworker/0:2H10:31:570
263732360chrt22858-1kworker/0:2H10:31:570
143582360sleep013051-1kworker/0:1H10:10:550
71350rcu_preempt28646-21ssh11:31:340
71350rcu_preempt0-21swapper/312:37:203
71350rcu_preempt0-21swapper/312:37:203
71350rcu_preempt0-21swapper/310:34:373
71350rcu_preempt0-21swapper/310:34:373
71350rcu_preempt0-21swapper/310:18:233
71350rcu_preempt0-21swapper/310:18:233
71350rcu_preempt0-21swapper/309:25:093
71350rcu_preempt0-21swapper/309:25:093
71350rcu_preempt0-21swapper/309:17:313
71350rcu_preempt0-21swapper/309:17:313
71350rcu_preempt0-21swapper/211:16:192
71350rcu_preempt0-21swapper/211:16:192
71350rcu_preempt0-21swapper/209:24:042
71350rcu_preempt0-21swapper/209:24:042
71350rcu_preempt0-21swapper/112:26:491
71350rcu_preempt0-21swapper/111:59:431
71350rcu_preempt0-21swapper/111:59:431
71350rcu_preempt0-21swapper/110:31:361
71350rcu_preempt0-21swapper/110:31:361
71350rcu_preempt0-21swapper/110:27:091
71350rcu_preempt0-21swapper/110:27:091
71350rcu_preempt0-21swapper/110:17:001
71350rcu_preempt0-21swapper/110:17:001
71350rcu_preempt0-21swapper/110:01:141
71350rcu_preempt0-21swapper/108:52:301
71350rcu_preempt0-21swapper/011:45:210
71350rcu_preempt0-21swapper/010:49:160
71350rcu_preempt0-21swapper/010:09:070
71350rcu_preempt0-21swapper/008:35:160
71350rcu_preempt0-21swapper/008:35:160
71350rcu_preempt0-21swapper/007:40:330
46050350irq/122-QManpo32696-2110:48:540
46050350irq/122-QManpo32696-2110:48:540
46050350irq/122-QManpo29990-10
46050350irq/122-QManpo20373-10
46050350irq/122-QManpo20373-10
46050350irq/122-QManpo16590-210
46050350irq/122-QManpo16590-210
46050350irq/122-QManpo15714-2110:48:540
46050350irq/122-QManpo15714-2110:48:540
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
71340rcu_preempt29202-21ssh10:36:471
71340rcu_preempt29202-21ssh10:36:471
71340rcu_preempt0-21swapper/310:29:143
71340rcu_preempt0-21swapper/310:29:143
71340rcu_preempt0-21swapper/309:41:443
71340rcu_preempt0-21swapper/309:32:303
71340rcu_preempt0-21swapper/309:32:303
71340rcu_preempt0-21swapper/212:33:382
71340rcu_preempt0-21swapper/212:33:382
71340rcu_preempt0-21swapper/212:11:082
71340rcu_preempt0-21swapper/211:24:512
71340rcu_preempt0-21swapper/211:24:512
71340rcu_preempt0-21swapper/112:05:511
71340rcu_preempt0-21swapper/111:11:011
71340rcu_preempt0-21swapper/111:11:011
71340rcu_preempt0-21swapper/110:42:131
71340rcu_preempt0-21swapper/110:42:131
71340rcu_preempt0-21swapper/110:09:391
71340rcu_preempt0-21swapper/012:25:360
71340rcu_preempt0-21swapper/011:17:530
71340rcu_preempt0-21swapper/011:17:530
71340rcu_preempt0-21swapper/010:41:010
71340rcu_preempt0-21swapper/010:41:010
71340rcu_preempt0-21swapper/009:09:290
71340rcu_preempt0-21swapper/009:09:290
46050340irq/122-QManpo19926-210
46050340irq/122-QManpo19926-210
46050340irq/122-QManpo0-210
71330rcu_preempt8500-21sh11:53:122
71330rcu_preempt8500-21sh11:53:122
71330rcu_preempt4710-21ssh09:55:181
71330rcu_preempt4710-21ssh09:55:181
71330rcu_preempt4710-21ssh09:55:181
71330rcu_preempt3904-21apt-get10:50:213
71330rcu_preempt3904-21apt-get10:50:213
71330rcu_preempt32086-21sh10:41:422
71330rcu_preempt32086-21sh10:41:422
71330rcu_preempt25883-21ssh12:23:021
71330rcu_preempt25883-21ssh12:23:021
71330rcu_preempt23144-21ssh12:18:291
71330rcu_preempt23144-21ssh12:18:291
71330rcu_preempt2146-21ssh12:37:512
71330rcu_preempt2146-21ssh12:37:512
71330rcu_preempt0-21swapper/311:41:473
71330rcu_preempt0-21swapper/311:41:473
71330rcu_preempt0-21swapper/311:24:223
71330rcu_preempt0-21swapper/311:24:223
71330rcu_preempt0-21swapper/310:40:193
71330rcu_preempt0-21swapper/310:40:193
71330rcu_preempt0-21swapper/309:22:273
71330rcu_preempt0-21swapper/309:22:273
71330rcu_preempt0-21swapper/210:53:392
71330rcu_preempt0-21swapper/210:53:392
71330rcu_preempt0-21swapper/210:30:512
71330rcu_preempt0-21swapper/210:30:512
71330rcu_preempt0-21swapper/209:19:152
71330rcu_preempt0-21swapper/209:19:152
71330rcu_preempt0-21swapper/112:30:281
71330rcu_preempt0-21swapper/112:30:281
71330rcu_preempt0-21swapper/111:51:191
71330rcu_preempt0-21swapper/111:51:191
71330rcu_preempt0-21swapper/111:47:151
71330rcu_preempt0-21swapper/111:43:531
71330rcu_preempt0-21swapper/111:43:531
71330rcu_preempt0-21swapper/111:20:581
71330rcu_preempt0-21swapper/111:20:581
71330rcu_preempt0-21swapper/111:05:241
71330rcu_preempt0-21swapper/111:05:241
71330rcu_preempt0-21swapper/108:40:311
71330rcu_preempt0-21swapper/108:40:311
46050330irq/122-QManpo30548-2110:48:540
46050330irq/122-QManpo30548-2110:48:540
46050330irq/122-QManpo15929-2110:48:540
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
231652330chrt20373-1kworker/0:0H07:56:240
99750320irq/38-i2c-mpc0-21swapper/008:19:080
99750320irq/38-i2c-mpc0-21swapper/008:19:080
71320rcu_preempt5806-1kworker/3:1H09:57:153
71320rcu_preempt5806-1kworker/3:1H09:57:153
71320rcu_preempt5806-1kworker/3:1H09:57:153
71320rcu_preempt4693-21runrttasks11:45:512
71320rcu_preempt4316-21crond09:55:021
71320rcu_preempt0-21swapper/311:00:423
71320rcu_preempt0-21swapper/311:00:423
71320rcu_preempt0-21swapper/309:35:333
71320rcu_preempt0-21swapper/309:35:333
71320rcu_preempt0-21swapper/212:24:222
71320rcu_preempt0-21swapper/212:24:222
71320rcu_preempt0-21swapper/210:58:292
71320rcu_preempt0-21swapper/210:58:292
71320rcu_preempt0-21swapper/210:50:052
71320rcu_preempt0-21swapper/210:13:482
71320rcu_preempt0-21swapper/210:08:192
71320rcu_preempt0-21swapper/209:57:202
71320rcu_preempt0-21swapper/209:57:202
71320rcu_preempt0-21swapper/209:57:202
71320rcu_preempt0-21swapper/209:12:182
71320rcu_preempt0-21swapper/209:12:182
71320rcu_preempt0-21swapper/208:20:282
71320rcu_preempt0-21swapper/112:00:371
71320rcu_preempt0-21swapper/112:00:371
71320rcu_preempt0-21swapper/111:36:451
71320rcu_preempt0-21swapper/111:36:451
71320rcu_preempt0-21swapper/110:48:491
71320rcu_preempt0-21swapper/109:47:561
71320rcu_preempt0-21swapper/109:47:561
71320rcu_preempt0-21swapper/107:40:211
71320rcu_preempt0-21swapper/107:30:281
71320rcu_preempt0-21swapper/012:03:060
71320rcu_preempt0-21swapper/012:03:060
46450320irq/118-QManpo19611-2110:48:542
46450320irq/118-QManpo19611-2110:48:542
46050320irq/122-QManpo20373-10
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
71310rcu_preempt4678-21kworker/3:312:08:043
71310rcu_preempt3965-1kworker/2:0H11:30:152
71310rcu_preempt21957-21sed12:15:303
71310rcu_preempt21957-21sed12:15:303
71310rcu_preempt11204-21sh11:01:281
71310rcu_preempt11204-21sh11:01:281
71310rcu_preempt0-21swapper/311:28:183
71310rcu_preempt0-21swapper/311:28:183
71310rcu_preempt0-21swapper/310:01:283
71310rcu_preempt0-21swapper/211:35:432
71310rcu_preempt0-21swapper/211:35:432
71310rcu_preempt0-21swapper/211:01:142
71310rcu_preempt0-21swapper/211:01:142
71310rcu_preempt0-21swapper/209:32:582
71310rcu_preempt0-21swapper/209:32:582
71310rcu_preempt0-21swapper/208:05:132
71310rcu_preempt0-21swapper/208:05:132
71310rcu_preempt0-21swapper/109:11:241
71310rcu_preempt0-21swapper/109:11:241
71310rcu_preempt0-21swapper/008:40:320
71310rcu_preempt0-21swapper/008:40:320
71300rcu_preempt6236-21seq08:53:442
71300rcu_preempt0-21swapper/312:21:543
71300rcu_preempt0-21swapper/312:21:543
71300rcu_preempt0-21swapper/311:59:533
71300rcu_preempt0-21swapper/311:59:533
71300rcu_preempt0-21swapper/310:13:563
71300rcu_preempt0-21swapper/310:07:463
71300rcu_preempt0-21swapper/212:27:572
71300rcu_preempt0-21swapper/211:55:332
71300rcu_preempt0-21swapper/211:55:332
71300rcu_preempt0-21swapper/211:08:552
71300rcu_preempt0-21swapper/211:08:552
71300rcu_preempt0-21swapper/210:36:482
71300rcu_preempt0-21swapper/210:36:482
71300rcu_preempt0-21swapper/209:46:132
71300rcu_preempt0-21swapper/209:46:132
71300rcu_preempt0-21swapper/209:05:282
71300rcu_preempt0-21swapper/209:05:282
71300rcu_preempt0-21swapper/208:58:332
71300rcu_preempt0-21swapper/208:58:332
71300rcu_preempt0-21swapper/208:00:462
71300rcu_preempt0-21swapper/207:36:232
71300rcu_preempt0-21swapper/207:36:232
71300rcu_preempt0-21swapper/110:50:571
71300rcu_preempt0-21swapper/110:50:571
71300rcu_preempt0-21swapper/109:05:191
71300rcu_preempt0-21swapper/109:05:191
46450300irq/118-QManpo15698-2110:48:542
71290rcu_preempt20238-21unixbench_multi07:45:281
71290rcu_preempt20238-21unixbench_multi07:45:281
71290rcu_preempt15385-21sshd07:30:153
71290rcu_preempt0-21swapper/312:41:263
71290rcu_preempt0-21swapper/312:41:263
71290rcu_preempt0-21swapper/311:54:313
71290rcu_preempt0-21swapper/311:54:313
71290rcu_preempt0-21swapper/310:37:313
71290rcu_preempt0-21swapper/310:37:313
71290rcu_preempt0-21swapper/212:00:382
71290rcu_preempt0-21swapper/212:00:382
71290rcu_preempt0-21swapper/211:41:232
71290rcu_preempt0-21swapper/211:41:232
71290rcu_preempt0-21swapper/211:26:212
71290rcu_preempt0-21swapper/211:26:212
71290rcu_preempt0-21swapper/210:25:302
71290rcu_preempt0-21swapper/210:25:302
71290rcu_preempt0-21swapper/210:03:582
71290rcu_preempt0-21swapper/208:38:362
71290rcu_preempt0-21swapper/208:38:362
71290rcu_preempt0-21swapper/208:25:192
71290rcu_preempt0-21swapper/108:55:161
71290rcu_preempt0-21swapper/108:55:161
71290rcu_preempt0-21swapper/108:36:241
71290rcu_preempt0-21swapper/108:36:241
71290rcu_preempt0-21swapper/108:10:281
46450290irq/118-QManpo26795-2110:48:542
46250290irq/120-QManpo0-2110:48:541
46250290irq/120-QManpo0-2110:48:541
71280rcu_preempt0-21swapper/310:21:143
71280rcu_preempt0-21swapper/310:21:143
71280rcu_preempt0-21swapper/308:27:383
71280rcu_preempt0-21swapper/307:40:023
71280rcu_preempt0-21swapper/307:40:023
71280rcu_preempt0-21swapper/209:25:232
71280rcu_preempt0-21swapper/209:25:232
71280rcu_preempt0-21swapper/208:40:132
71280rcu_preempt0-21swapper/208:40:132
71280rcu_preempt0-21swapper/208:15:272
71280rcu_preempt0-21swapper/208:15:272
71280rcu_preempt0-21swapper/207:40:182
71280rcu_preempt0-21swapper/109:01:171
71280rcu_preempt0-21swapper/108:48:061
71280rcu_preempt0-21swapper/108:48:061
71280rcu_preempt0-21swapper/108:30:451
71280rcu_preempt0-21swapper/108:30:451
71280rcu_preempt0-21swapper/108:21:161
71280rcu_preempt0-21swapper/108:18:071
71280rcu_preempt0-21swapper/108:18:071
71280rcu_preempt0-21swapper/108:02:121
71280rcu_preempt0-21swapper/107:56:231
71280rcu_preempt0-21swapper/107:51:071
71280rcu_preempt0-21swapper/107:51:071
1073199284cyclictest0-21swapper/208:00:052
71270rcu_preempt18387-21apt-get11:15:223
71270rcu_preempt18387-21apt-get11:15:223
71270rcu_preempt0-21swapper/312:27:273
71270rcu_preempt0-21swapper/312:01:483
71270rcu_preempt0-21swapper/312:01:483
71270rcu_preempt0-21swapper/311:34:503
71270rcu_preempt0-21swapper/308:10:553
71270rcu_preempt0-21swapper/308:10:043
71270rcu_preempt0-21swapper/308:10:043
71270rcu_preempt0-21swapper/307:55:073
71270rcu_preempt0-21swapper/209:04:132
71270rcu_preempt0-21swapper/208:32:152
71270rcu_preempt0-21swapper/208:32:152
71270rcu_preempt0-21swapper/207:48:362
71270rcu_preempt0-21swapper/207:48:362
46650270irq/116-QManpo5106-213
10732992721cyclictest20374-1kworker/3:0H08:05:033
71260rcu_preempt0-21swapper/207:51:232
71260rcu_preempt0-21swapper/207:51:232
46650260irq/116-QManpo7725-13
46650260irq/116-QManpo7725-13
46650260irq/116-QManpo31424-2110:48:543
46650260irq/116-QManpo31424-2110:48:543
46650260irq/116-QManpo1946-2110:48:543
46650260irq/116-QManpo0-2110:48:543
46650260irq/116-QManpo0-2110:48:543
1073299263cyclictest0-21swapper/308:40:193
1073299263cyclictest0-21swapper/308:40:193
46650250irq/116-QManpo9258-213
46650250irq/116-QManpo9258-213
46650250irq/116-QManpo26395-13
46650250irq/116-QManpo0-2110:48:543
71240rcu_preempt0-21swapper/308:35:173
71240rcu_preempt0-21swapper/308:35:173
1073299244cyclictest0-21swapper/308:20:023
1073299244cyclictest0-21swapper/308:20:023
71230rcu_preempt0-21swapper/308:30:143
71230rcu_preempt0-21swapper/308:30:143
1073299234cyclictest0-21swapper/307:45:183
1073299234cyclictest0-21swapper/307:45:183
10732992317cyclictest0-21swapper/309:00:153
plot10:48:548
setyrange[0.8:*]5
setylabel"Numberoflatencysamples"6
setxrange[0:400]4
setxlabel"Latencyus-Maximumusplottedon10:48:542
settitle"Latencyrack4slot4"0
setterminalpbmcolor1
setoutput"r4s4.ppm"7
setlogscaley3
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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