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2026-04-06 - 21:55
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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 the 376 highest latencies:
System rack4slot4.osadl.org (updated Mon Apr 06, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71560rcu_preempt0-21swapper/210:45:002
71560rcu_preempt0-21swapper/210:45:002
71560rcu_preempt0-21swapper/210:45:002
71480rcu_preempt0-21swapper/110:47:091
71480rcu_preempt0-21swapper/110:47:091
71480rcu_preempt0-21swapper/110:47:091
71450rcu_preempt6628-1kworker/1:0H12:37:141
71450rcu_preempt6628-1kworker/1:0H12:37:141
46050430irq/122-QManpo27856-2110:48:550
46050430irq/122-QManpo27856-2110:48:550
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt10700-21runrttasks12:37:182
71410rcu_preempt10700-21runrttasks12:37:182
71410rcu_preempt10700-21runrttasks12:37:182
71400rcu_preempt24670-21taskset09:07:221
71400rcu_preempt24670-21taskset09:07:221
71400rcu_preempt0-21swapper/011:37:000
71400rcu_preempt0-21swapper/011:37:000
71390rcu_preempt14258-21sh09:47:430
71390rcu_preempt14258-21sh09:47:430
71390rcu_preempt0-21swapper/212:12:242
71390rcu_preempt0-21swapper/212:12:242
71390rcu_preempt0-21swapper/012:22:410
71390rcu_preempt0-21swapper/012:22:410
71390rcu_preempt0-21swapper/012:22:410
46050390irq/122-QManpo23127-2110:48:550
46050390irq/122-QManpo23127-2110:48:550
46050390irq/122-QManpo17580-2110:48:550
46050390irq/122-QManpo17580-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo12380-2110:48:550
46050390irq/122-QManpo0-210
46050390irq/122-QManpo0-210
2299390migration/224223-21taskset07:07:342
2299390migration/224223-21taskset07:07:342
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt3227-21diskmemload11:25:050
71380rcu_preempt12165-21apt-get08:22:210
71380rcu_preempt12165-21apt-get08:22:210
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:37:200
71380rcu_preempt0-21swapper/012:29:140
71380rcu_preempt0-21swapper/012:29:140
71380rcu_preempt0-21swapper/010:59:110
71380rcu_preempt0-21swapper/010:59:110
71380rcu_preempt0-21swapper/010:59:110
71380rcu_preempt0-21swapper/010:17:520
71380rcu_preempt0-21swapper/010:17:520
71380rcu_preempt0-21swapper/010:17:520
71380rcu_preempt0-21swapper/009:07:190
71380rcu_preempt0-21swapper/009:07:190
46050380irq/122-QManpo8292-2110:48:550
46050380irq/122-QManpo8292-2110:48:550
46050380irq/122-QManpo32414-2110:48:550
46050380irq/122-QManpo32414-2110:48:550
46050380irq/122-QManpo32414-2110:48:550
46050380irq/122-QManpo18864-210
46050380irq/122-QManpo18864-210
46050380irq/122-QManpo18864-210
71370rcu_preempt25614-1kworker/0:2H10:12:180
71370rcu_preempt25614-1kworker/0:2H10:12:180
71370rcu_preempt25614-1kworker/0:2H10:12:180
71370rcu_preempt0-21swapper/212:10:052
71370rcu_preempt0-21swapper/212:10:052
71370rcu_preempt0-21swapper/212:10:052
71370rcu_preempt0-21swapper/210:37:402
71370rcu_preempt0-21swapper/210:37:402
71370rcu_preempt0-21swapper/210:37:402
71370rcu_preempt0-21swapper/209:46:032
71370rcu_preempt0-21swapper/209:46:032
71370rcu_preempt0-21swapper/110:27:091
71370rcu_preempt0-21swapper/110:27:091
71370rcu_preempt0-21swapper/109:49:201
71370rcu_preempt0-21swapper/109:49:201
71370rcu_preempt0-21swapper/109:27:231
71370rcu_preempt0-21swapper/109:27:231
71370rcu_preempt0-21swapper/011:59:030
71370rcu_preempt0-21swapper/011:59:030
71370rcu_preempt0-21swapper/011:48:550
71370rcu_preempt0-21swapper/011:48:550
71370rcu_preempt0-21swapper/011:18:190
71370rcu_preempt0-21swapper/011:18:190
71370rcu_preempt0-21swapper/011:02:190
71370rcu_preempt0-21swapper/011:02:190
71370rcu_preempt0-21swapper/011:02:190
71370rcu_preempt0-21swapper/010:35:540
71370rcu_preempt0-21swapper/010:35:540
71370rcu_preempt0-21swapper/010:35:540
71370rcu_preempt0-21swapper/010:07:200
71370rcu_preempt0-21swapper/010:07:200
71370rcu_preempt0-21swapper/009:30:180
71370rcu_preempt0-21swapper/009:30:180
71370rcu_preempt0-21swapper/009:16:190
71370rcu_preempt0-21swapper/009:16:190
71370rcu_preempt0-21swapper/008:12:260
71370rcu_preempt0-21swapper/008:12:260
71370rcu_preempt0-21swapper/008:12:260
71370rcu_preempt0-21swapper/008:05:230
71370rcu_preempt0-21swapper/008:05:230
71370rcu_preempt0-21swapper/008:05:230
71370rcu_preempt0-21swapper/007:20:080
71370rcu_preempt0-21swapper/007:20:080
62962370sleep05564-1kworker/0:0H11:31:150
62962370sleep05564-1kworker/0:0H11:31:150
46250370irq/120-QManpo6628-11
46250370irq/120-QManpo6628-11
46250370irq/120-QManpo6628-11
46050370irq/122-QManpo6650-2110:48:550
46050370irq/122-QManpo6650-2110:48:550
46050370irq/122-QManpo2581-10
46050370irq/122-QManpo2581-10
46050370irq/122-QManpo25556-2110:48:550
46050370irq/122-QManpo25556-2110:48:550
71360rcu_preempt5286-21ssh11:28:201
71360rcu_preempt5286-21ssh11:28:201
71360rcu_preempt395-21apt-get10:22:212
71360rcu_preempt395-21apt-get10:22:212
71360rcu_preempt14181-21ssh11:44:331
71360rcu_preempt14181-21ssh11:44:331
71360rcu_preempt12163-21kworker/0:110:50:190
71360rcu_preempt12163-21kworker/0:110:50:190
71360rcu_preempt12163-21kworker/0:110:50:190
71360rcu_preempt0-21swapper/312:10:593
71360rcu_preempt0-21swapper/312:10:593
71360rcu_preempt0-21swapper/312:10:593
71360rcu_preempt0-21swapper/311:52:163
71360rcu_preempt0-21swapper/311:52:163
71360rcu_preempt0-21swapper/309:24:133
71360rcu_preempt0-21swapper/309:24:133
71360rcu_preempt0-21swapper/309:24:133
71360rcu_preempt0-21swapper/212:32:322
71360rcu_preempt0-21swapper/212:32:322
71360rcu_preempt0-21swapper/212:07:132
71360rcu_preempt0-21swapper/212:07:132
71360rcu_preempt0-21swapper/210:17:222
71360rcu_preempt0-21swapper/210:17:222
71360rcu_preempt0-21swapper/210:17:222
71360rcu_preempt0-21swapper/112:28:201
71360rcu_preempt0-21swapper/112:28:201
71360rcu_preempt0-21swapper/112:06:011
71360rcu_preempt0-21swapper/112:06:011
71360rcu_preempt0-21swapper/111:32:561
71360rcu_preempt0-21swapper/111:32:561
71360rcu_preempt0-21swapper/109:55:321
71360rcu_preempt0-21swapper/109:55:321
71360rcu_preempt0-21swapper/109:46:351
71360rcu_preempt0-21swapper/109:46:351
71360rcu_preempt0-21swapper/012:06:510
71360rcu_preempt0-21swapper/012:06:510
71360rcu_preempt0-21swapper/009:44:000
71360rcu_preempt0-21swapper/009:44:000
71360rcu_preempt0-21swapper/008:07:310
71360rcu_preempt0-21swapper/008:07:310
71360rcu_preempt0-21swapper/007:43:210
71360rcu_preempt0-21swapper/007:43:210
46050360irq/122-QManpo4598-2110:48:550
46050360irq/122-QManpo4598-2110:48:550
46050360irq/122-QManpo4598-2110:48:550
46050360irq/122-QManpo29868-2110:48:550
46050360irq/122-QManpo29868-2110:48:550
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
71350rcu_preempt4945-21munin-run12:27:111
71350rcu_preempt4945-21munin-run12:27:111
71350rcu_preempt4945-21munin-run12:27:111
71350rcu_preempt3350-1kworker/2:0H10:09:052
71350rcu_preempt3350-1kworker/2:0H10:09:052
71350rcu_preempt30432-21ssh09:18:522
71350rcu_preempt30432-21ssh09:18:522
71350rcu_preempt30432-21ssh09:18:522
71350rcu_preempt28974-21copy12:12:223
71350rcu_preempt28974-21copy12:12:223
71350rcu_preempt27696-21ntp_states10:12:372
71350rcu_preempt27696-21ntp_states10:12:372
71350rcu_preempt27696-21ntp_states10:12:372
71350rcu_preempt25410-21ssh10:07:511
71350rcu_preempt25410-21ssh10:07:511
71350rcu_preempt23340-21sh10:04:331
71350rcu_preempt23340-21sh10:04:331
71350rcu_preempt0-21swapper/312:17:573
71350rcu_preempt0-21swapper/312:17:573
71350rcu_preempt0-21swapper/312:17:573
71350rcu_preempt0-21swapper/310:29:523
71350rcu_preempt0-21swapper/310:29:523
71350rcu_preempt0-21swapper/310:29:523
71350rcu_preempt0-21swapper/212:22:402
71350rcu_preempt0-21swapper/212:22:402
71350rcu_preempt0-21swapper/212:22:402
71350rcu_preempt0-21swapper/211:57:582
71350rcu_preempt0-21swapper/211:57:582
71350rcu_preempt0-21swapper/211:52:332
71350rcu_preempt0-21swapper/211:52:332
71350rcu_preempt0-21swapper/211:50:442
71350rcu_preempt0-21swapper/211:50:442
71350rcu_preempt0-21swapper/211:18:262
71350rcu_preempt0-21swapper/211:18:262
71350rcu_preempt0-21swapper/210:28:212
71350rcu_preempt0-21swapper/210:28:212
71350rcu_preempt0-21swapper/210:28:212
71350rcu_preempt0-21swapper/209:27:312
71350rcu_preempt0-21swapper/209:27:312
71350rcu_preempt0-21swapper/111:24:061
71350rcu_preempt0-21swapper/111:24:061
71350rcu_preempt0-21swapper/111:24:061
71350rcu_preempt0-21swapper/111:09:271
71350rcu_preempt0-21swapper/111:09:271
71350rcu_preempt0-21swapper/111:07:011
71350rcu_preempt0-21swapper/111:07:011
71350rcu_preempt0-21swapper/111:07:011
71350rcu_preempt0-21swapper/110:48:431
71350rcu_preempt0-21swapper/110:48:431
71350rcu_preempt0-21swapper/110:48:431
71350rcu_preempt0-21swapper/110:29:531
71350rcu_preempt0-21swapper/110:29:531
71350rcu_preempt0-21swapper/110:29:531
71350rcu_preempt0-21swapper/109:33:261
71350rcu_preempt0-21swapper/109:33:261
71350rcu_preempt0-21swapper/109:24:281
71350rcu_preempt0-21swapper/109:24:281
71350rcu_preempt0-21swapper/109:24:281
71350rcu_preempt0-21swapper/108:22:191
71350rcu_preempt0-21swapper/108:22:191
71350rcu_preempt0-21swapper/012:08:210
71350rcu_preempt0-21swapper/012:08:210
71350rcu_preempt0-21swapper/012:08:210
71350rcu_preempt0-21swapper/011:53:020
71350rcu_preempt0-21swapper/011:53:020
71350rcu_preempt0-21swapper/010:22:560
71350rcu_preempt0-21swapper/010:22:560
71350rcu_preempt0-21swapper/007:57:240
71350rcu_preempt0-21swapper/007:57:240
46050350irq/122-QManpo32365-2110:48:550
46050350irq/122-QManpo32365-2110:48:550
46050350irq/122-QManpo32365-2110:48:550
46050350irq/122-QManpo17560-2110:48:550
46050350irq/122-QManpo17560-2110:48:550
46050350irq/122-QManpo17560-2110:48:550
46050350irq/122-QManpo16712-2110:48:550
46050350irq/122-QManpo16712-2110:48:550
46050350irq/122-QManpo12485-2110:48:550
46050350irq/122-QManpo12485-2110:48:550
46050350irq/122-QManpo12485-2110:48:550
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
262122350sleep025978-1kworker/0:0H07:15:580
262122350sleep025978-1kworker/0:0H07:15:580
230942350sleep022791-1kworker/0:0H09:02:080
230942350sleep022791-1kworker/0:0H09:02:080
119112350sleep07554-1kworker/0:3H08:21:170
119112350sleep07554-1kworker/0:3H08:21:170
119112350sleep07554-1kworker/0:3H08:21:170
71340rcu_preempt4116-21diskmemload11:27:212
71340rcu_preempt4116-21diskmemload11:27:212
71340rcu_preempt2579-1kworker/3:0H11:28:253
71340rcu_preempt2579-1kworker/3:0H11:28:253
71340rcu_preempt20506-1kworker/1:4H07:24:091
71340rcu_preempt20506-1kworker/1:4H07:24:091
71340rcu_preempt0-21swapper/310:02:403
71340rcu_preempt0-21swapper/310:02:403
71340rcu_preempt0-21swapper/309:07:193
71340rcu_preempt0-21swapper/309:07:193
71340rcu_preempt0-21swapper/211:37:332
71340rcu_preempt0-21swapper/211:37:332
71340rcu_preempt0-21swapper/211:37:332
71340rcu_preempt0-21swapper/210:50:242
71340rcu_preempt0-21swapper/210:50:242
71340rcu_preempt0-21swapper/210:50:242
71340rcu_preempt0-21swapper/209:32:412
71340rcu_preempt0-21swapper/209:32:412
71340rcu_preempt0-21swapper/209:04:092
71340rcu_preempt0-21swapper/209:04:092
71340rcu_preempt0-21swapper/112:10:401
71340rcu_preempt0-21swapper/112:10:401
71340rcu_preempt0-21swapper/112:10:401
71340rcu_preempt0-21swapper/111:59:241
71340rcu_preempt0-21swapper/111:59:241
71340rcu_preempt0-21swapper/111:48:451
71340rcu_preempt0-21swapper/111:48:451
71340rcu_preempt0-21swapper/111:13:051
71340rcu_preempt0-21swapper/111:13:051
71340rcu_preempt0-21swapper/110:21:171
71340rcu_preempt0-21swapper/110:21:171
71340rcu_preempt0-21swapper/110:21:171
71340rcu_preempt0-21swapper/110:01:271
71340rcu_preempt0-21swapper/110:01:271
71340rcu_preempt0-21swapper/110:01:271
71340rcu_preempt0-21swapper/109:18:121
71340rcu_preempt0-21swapper/109:18:121
71340rcu_preempt0-21swapper/109:18:121
71340rcu_preempt0-21swapper/011:12:180
71340rcu_preempt0-21swapper/011:12:180
71340rcu_preempt0-21swapper/010:52:380
71340rcu_preempt0-21swapper/010:52:380
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
25047993427cyclictest20007-21df10:57:243
25047993427cyclictest20007-21df10:57:243
25047993427cyclictest20007-21df10:57:243
71330rcu_preempt734-21sh09:23:352
71330rcu_preempt734-21sh09:23:352
71330rcu_preempt734-21sh09:23:352
71330rcu_preempt3242-21sh11:25:082
71330rcu_preempt3242-21sh11:25:082
71330rcu_preempt3242-21sh11:25:082
71330rcu_preempt1958-21snmpd07:14:181
71330rcu_preempt1958-21snmpd07:14:181
71330rcu_preempt10722-21/usr/sbin/munin12:37:313
71330rcu_preempt10722-21/usr/sbin/munin12:37:313
71330rcu_preempt10722-21/usr/sbin/munin12:37:313
71330rcu_preempt0-21swapper/312:04:523
71330rcu_preempt0-21swapper/312:04:523
71330rcu_preempt0-21swapper/307:54:383
71330rcu_preempt0-21swapper/307:54:383
71330rcu_preempt0-21swapper/211:13:002
71330rcu_preempt0-21swapper/211:13:002
71330rcu_preempt0-21swapper/207:12:272
71330rcu_preempt0-21swapper/207:12:272
71330rcu_preempt0-21swapper/111:18:111
71330rcu_preempt0-21swapper/111:18:111
71330rcu_preempt0-21swapper/110:53:191
71330rcu_preempt0-21swapper/110:53:191
71330rcu_preempt0-21swapper/110:36:511
71330rcu_preempt0-21swapper/110:36:511
71330rcu_preempt0-21swapper/110:36:511
71330rcu_preempt0-21swapper/108:44:151
71330rcu_preempt0-21swapper/108:44:151
71330rcu_preempt0-21swapper/008:47:290
71330rcu_preempt0-21swapper/008:47:290
71330rcu_preempt0-21swapper/007:33:090
71330rcu_preempt0-21swapper/007:33:090
46650330irq/116-QManpo0-2110:48:553
46650330irq/116-QManpo0-2110:48:553
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
71320rcu_preempt8647-21cat12:32:373
71320rcu_preempt8647-21cat12:32:373
71320rcu_preempt27118-21/usr/sbin/munin10:12:341
71320rcu_preempt27118-21/usr/sbin/munin10:12:341
71320rcu_preempt27118-21/usr/sbin/munin10:12:341
71320rcu_preempt15517-21sh09:51:232
71320rcu_preempt15517-21sh09:51:232
71320rcu_preempt0-21swapper/312:24:473
71320rcu_preempt0-21swapper/312:24:473
71320rcu_preempt0-21swapper/312:24:473
71320rcu_preempt0-21swapper/311:22:393
71320rcu_preempt0-21swapper/311:22:393
71320rcu_preempt0-21swapper/311:22:393
71320rcu_preempt0-21swapper/310:48:373
71320rcu_preempt0-21swapper/310:48:373
71320rcu_preempt0-21swapper/310:48:373
71320rcu_preempt0-21swapper/212:27:472
71320rcu_preempt0-21swapper/212:27:472
71320rcu_preempt0-21swapper/211:32:392
71320rcu_preempt0-21swapper/211:32:392
71320rcu_preempt0-21swapper/209:37:502
71320rcu_preempt0-21swapper/209:37:502
71320rcu_preempt0-21swapper/208:44:092
71320rcu_preempt0-21swapper/208:44:092
71320rcu_preempt0-21swapper/207:53:372
71320rcu_preempt0-21swapper/207:53:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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