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2025-12-09 - 16:42
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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 Tue Dec 09, 2025 12:54:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71540rcu_preempt0-21swapper/211:03:032
71540rcu_preempt0-21swapper/211:03:032
46050460irq/122-QManpo8626-2109:24:360
46050460irq/122-QManpo8626-2109:24:360
100550460irq/38-i2c-mpc0-21swapper/111:33:271
100550460irq/38-i2c-mpc0-21swapper/111:33:271
100550460irq/38-i2c-mpc0-21swapper/111:33:271
71430rcu_preempt0-21swapper/210:18:202
71430rcu_preempt0-21swapper/210:18:202
71430rcu_preempt0-21swapper/210:18:202
71430rcu_preempt0-21swapper/010:12:140
71430rcu_preempt0-21swapper/010:12:140
71420rcu_preempt0-21swapper/211:32:582
71420rcu_preempt0-21swapper/211:32:582
1599410migration/015524-21taskset09:11:310
1599410migration/015524-21taskset09:11:310
71400rcu_preempt0-21swapper/212:38:222
71400rcu_preempt0-21swapper/212:38:222
71390rcu_preempt7880-1kworker/0:0H11:18:240
71390rcu_preempt7880-1kworker/0:0H11:18:240
71390rcu_preempt0-21swapper/011:17:570
71390rcu_preempt0-21swapper/011:17:570
46050390irq/122-QManpo20512-2109:24:360
46050390irq/122-QManpo20512-2109:24:360
71380rcu_preempt6367-21kworker/1:008:43:211
71380rcu_preempt6367-21kworker/1:008:43:211
71380rcu_preempt0-21swapper/310:25:503
71380rcu_preempt0-21swapper/310:25:503
71380rcu_preempt0-21swapper/211:33:362
71380rcu_preempt0-21swapper/211:33:362
71380rcu_preempt0-21swapper/211:33:362
71380rcu_preempt0-21swapper/111:57:201
71380rcu_preempt0-21swapper/111:57:201
71380rcu_preempt0-21swapper/110:35:591
71380rcu_preempt0-21swapper/110:35:591
71380rcu_preempt0-21swapper/013:03:520
71380rcu_preempt0-21swapper/013:03:520
71380rcu_preempt0-21swapper/012:24:360
71380rcu_preempt0-21swapper/012:24:360
71380rcu_preempt0-21swapper/012:24:360
46050380irq/122-QManpo740-2109:24:360
46050380irq/122-QManpo740-2109:24:360
46050380irq/122-QManpo27344-210
46050380irq/122-QManpo27344-210
71370rcu_preempt7107-21meminfo12:18:190
71370rcu_preempt7107-21meminfo12:18:190
71370rcu_preempt11804-21cron12:27:541
71370rcu_preempt11804-21cron12:27:541
71370rcu_preempt11804-21cron12:27:541
71370rcu_preempt0-21swapper/211:18:042
71370rcu_preempt0-21swapper/211:18:042
71370rcu_preempt0-21swapper/012:41:240
71370rcu_preempt0-21swapper/012:41:240
71370rcu_preempt0-21swapper/011:33:010
71370rcu_preempt0-21swapper/009:19:500
71370rcu_preempt0-21swapper/009:19:500
46050370irq/122-QManpo28088-2109:24:360
46050370irq/122-QManpo28088-2109:24:360
46050370irq/122-QManpo28088-2109:24:360
46050370irq/122-QManpo14688-2109:24:360
46050370irq/122-QManpo14688-2109:24:360
71360rcu_preempt30128-21seq09:52:592
71360rcu_preempt30128-21seq09:52:592
71360rcu_preempt30128-21seq09:52:592
71360rcu_preempt22742-21cyclictest12:28:580
71360rcu_preempt22742-21cyclictest12:28:580
71360rcu_preempt13121-21cron11:27:541
71360rcu_preempt13121-21cron11:27:541
71360rcu_preempt13121-21cron11:27:541
71360rcu_preempt0-21swapper/112:28:441
71360rcu_preempt0-21swapper/112:28:441
71360rcu_preempt0-21swapper/110:52:381
71360rcu_preempt0-21swapper/110:52:381
71360rcu_preempt0-21swapper/110:42:001
71360rcu_preempt0-21swapper/110:42:001
71360rcu_preempt0-21swapper/109:52:441
71360rcu_preempt0-21swapper/109:52:441
71360rcu_preempt0-21swapper/109:52:441
71360rcu_preempt0-21swapper/109:43:201
71360rcu_preempt0-21swapper/109:43:201
71360rcu_preempt0-21swapper/010:43:570
71360rcu_preempt0-21swapper/010:43:570
71360rcu_preempt0-21swapper/010:06:260
71360rcu_preempt0-21swapper/010:06:260
71360rcu_preempt0-21swapper/009:45:260
71360rcu_preempt0-21swapper/009:45:260
71360rcu_preempt0-21swapper/009:38:000
71360rcu_preempt0-21swapper/009:38:000
46050360irq/122-QManpo30593-2109:24:360
46050360irq/122-QManpo30593-2109:24:360
46050360irq/122-QManpo27415-2109:24:360
46050360irq/122-QManpo27415-2109:24:360
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
100550360irq/38-i2c-mpc25614-21meminfo10:48:150
100550360irq/38-i2c-mpc25614-21meminfo10:48:150
95222350sleep06099-1kworker/0:2H10:16:260
95222350sleep06099-1kworker/0:2H10:16:260
71350rcu_preempt0-21swapper/211:08:062
71350rcu_preempt0-21swapper/211:08:062
71350rcu_preempt0-21swapper/210:52:232
71350rcu_preempt0-21swapper/210:52:232
71350rcu_preempt0-21swapper/112:57:411
71350rcu_preempt0-21swapper/112:57:411
71350rcu_preempt0-21swapper/112:43:391
71350rcu_preempt0-21swapper/112:43:391
71350rcu_preempt0-21swapper/112:43:391
71350rcu_preempt0-21swapper/112:18:541
71350rcu_preempt0-21swapper/112:18:541
71350rcu_preempt0-21swapper/111:58:051
71350rcu_preempt0-21swapper/111:58:051
71350rcu_preempt0-21swapper/111:58:051
71350rcu_preempt0-21swapper/111:31:301
71350rcu_preempt0-21swapper/111:31:301
71350rcu_preempt0-21swapper/111:12:591
71350rcu_preempt0-21swapper/013:03:000
71350rcu_preempt0-21swapper/013:03:000
71350rcu_preempt0-21swapper/011:46:500
71350rcu_preempt0-21swapper/011:46:500
71350rcu_preempt0-21swapper/011:46:500
71350rcu_preempt0-21swapper/011:23:360
71350rcu_preempt0-21swapper/011:23:360
71350rcu_preempt0-21swapper/011:23:360
46050350irq/122-QManpo7442-2109:24:360
46050350irq/122-QManpo7442-2109:24:360
46050350irq/122-QManpo427-2109:24:360
46050350irq/122-QManpo427-2109:24:360
46050350irq/122-QManpo23330-2109:24:360
46050350irq/122-QManpo23330-2109:24:360
46050350irq/122-QManpo18389-2109:24:360
46050350irq/122-QManpo18389-2109:24:360
46050350irq/122-QManpo17622-2109:24:360
46050350irq/122-QManpo17622-2109:24:360
46050350irq/122-QManpo17622-2109:24:360
46050350irq/122-QManpo12887-2109:24:360
46050350irq/122-QManpo12887-2109:24:360
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
169542350sleep013742-1kworker/0:2H10:31:370
169542350sleep013742-1kworker/0:2H10:31:370
71340rcu_preempt9976-21idleruntime-cro10:17:541
71340rcu_preempt9976-21idleruntime-cro10:17:541
71340rcu_preempt9769-1kworker/1:2H09:29:231
71340rcu_preempt9769-1kworker/1:2H09:29:231
71340rcu_preempt8626-21runrttasks11:48:081
71340rcu_preempt8626-21runrttasks11:48:081
71340rcu_preempt4596-21if_eth312:13:401
71340rcu_preempt4596-21if_eth312:13:401
71340rcu_preempt4596-21if_eth312:13:401
71340rcu_preempt13742-1kworker/0:2H10:26:520
71340rcu_preempt13742-1kworker/0:2H10:26:520
71340rcu_preempt11917-1kworker/0:2H11:49:490
71340rcu_preempt11917-1kworker/0:2H11:49:490
71340rcu_preempt11525-21ssh10:19:521
71340rcu_preempt11525-21ssh10:19:521
71340rcu_preempt11525-21ssh10:19:521
71340rcu_preempt0-21swapper/308:22:583
71340rcu_preempt0-21swapper/308:22:583
71340rcu_preempt0-21swapper/209:36:292
71340rcu_preempt0-21swapper/209:36:292
71340rcu_preempt0-21swapper/209:36:292
71340rcu_preempt0-21swapper/112:58:191
71340rcu_preempt0-21swapper/112:58:191
71340rcu_preempt0-21swapper/112:52:021
71340rcu_preempt0-21swapper/112:52:021
71340rcu_preempt0-21swapper/112:03:501
71340rcu_preempt0-21swapper/112:03:501
71340rcu_preempt0-21swapper/111:21:361
71340rcu_preempt0-21swapper/111:21:361
71340rcu_preempt0-21swapper/110:55:471
71340rcu_preempt0-21swapper/110:55:471
71340rcu_preempt0-21swapper/110:55:471
71340rcu_preempt0-21swapper/110:30:041
71340rcu_preempt0-21swapper/110:30:041
71340rcu_preempt0-21swapper/110:24:441
71340rcu_preempt0-21swapper/110:24:441
71340rcu_preempt0-21swapper/110:12:041
71340rcu_preempt0-21swapper/110:12:041
71340rcu_preempt0-21swapper/110:05:031
71340rcu_preempt0-21swapper/110:05:031
71340rcu_preempt0-21swapper/011:10:290
71340rcu_preempt0-21swapper/011:10:290
71340rcu_preempt0-21swapper/009:48:060
71340rcu_preempt0-21swapper/009:48:060
71340rcu_preempt0-21swapper/009:48:060
46050340irq/122-QManpo4546-2109:24:360
46050340irq/122-QManpo4546-2109:24:360
46050340irq/122-QManpo4546-2109:24:360
46050340irq/122-QManpo21017-2109:24:360
46050340irq/122-QManpo21017-2109:24:360
46050340irq/122-QManpo21017-2109:24:360
46050340irq/122-QManpo15253-2109:24:360
46050340irq/122-QManpo12887-2109:24:360
46050340irq/122-QManpo12887-2109:24:360
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
1599340migration/017009-21taskset09:17:470
1599340migration/017009-21taskset09:17:470
71330rcu_preempt8563-21ntpq11:18:213
71330rcu_preempt8563-21ntpq11:18:213
71330rcu_preempt6007-21latency_hist08:37:581
71330rcu_preempt6007-21latency_hist08:37:581
71330rcu_preempt19697-1kworker/1:0H07:56:231
71330rcu_preempt19697-1kworker/1:0H07:56:231
71330rcu_preempt0-21swapper/211:02:372
71330rcu_preempt0-21swapper/211:02:372
71330rcu_preempt0-21swapper/210:16:082
71330rcu_preempt0-21swapper/210:16:082
71330rcu_preempt0-21swapper/209:55:292
71330rcu_preempt0-21swapper/209:55:292
71330rcu_preempt0-21swapper/209:55:292
71330rcu_preempt0-21swapper/113:08:281
71330rcu_preempt0-21swapper/113:08:281
71330rcu_preempt0-21swapper/112:34:261
71330rcu_preempt0-21swapper/112:34:261
71330rcu_preempt0-21swapper/111:42:431
71330rcu_preempt0-21swapper/111:42:431
71330rcu_preempt0-21swapper/109:36:231
71330rcu_preempt0-21swapper/109:36:231
71330rcu_preempt0-21swapper/109:36:231
71330rcu_preempt0-21swapper/109:16:161
71330rcu_preempt0-21swapper/109:16:161
71330rcu_preempt0-21swapper/108:32:531
71330rcu_preempt0-21swapper/108:32:531
71330rcu_preempt0-21swapper/108:32:531
71330rcu_preempt0-21swapper/011:58:500
71330rcu_preempt0-21swapper/011:58:500
71330rcu_preempt0-21swapper/011:58:500
71330rcu_preempt0-21swapper/011:41:310
71330rcu_preempt0-21swapper/011:41:310
46050330irq/122-QManpo30365-2109:24:360
46050330irq/122-QManpo30365-2109:24:360
46050330irq/122-QManpo30365-2109:24:360
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
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
46050330irq/122-QManpo0-210
1599330migration/026880-21taskset07:53:540
1599330migration/026880-21taskset07:53:540
71320rcu_preempt22900-21ssh11:45:302
71320rcu_preempt22900-21ssh11:45:302
71320rcu_preempt22900-21ssh11:45:302
71320rcu_preempt10900-21kworker/3:209:43:323
71320rcu_preempt10900-21kworker/3:209:43:323
71320rcu_preempt1038-21timerandwakeup09:58:241
71320rcu_preempt1038-21timerandwakeup09:58:241
71320rcu_preempt0-21swapper/310:08:543
71320rcu_preempt0-21swapper/310:08:543
71320rcu_preempt0-21swapper/212:25:092
71320rcu_preempt0-21swapper/212:25:092
71320rcu_preempt0-21swapper/212:25:092
71320rcu_preempt0-21swapper/212:19:232
71320rcu_preempt0-21swapper/212:19:232
71320rcu_preempt0-21swapper/211:52:352
71320rcu_preempt0-21swapper/211:52:352
71320rcu_preempt0-21swapper/210:43:492
71320rcu_preempt0-21swapper/210:43:492
71320rcu_preempt0-21swapper/210:28:062
71320rcu_preempt0-21swapper/210:28:062
71320rcu_preempt0-21swapper/210:24:092
71320rcu_preempt0-21swapper/210:24:092
71320rcu_preempt0-21swapper/209:08:002
71320rcu_preempt0-21swapper/208:46:092
71320rcu_preempt0-21swapper/208:46:092
71320rcu_preempt0-21swapper/208:23:272
71320rcu_preempt0-21swapper/208:23:272
71320rcu_preempt0-21swapper/112:42:331
71320rcu_preempt0-21swapper/112:42:331
71320rcu_preempt0-21swapper/112:11:051
71320rcu_preempt0-21swapper/112:11:051
71320rcu_preempt0-21swapper/112:11:051
71320rcu_preempt0-21swapper/111:13:491
71320rcu_preempt0-21swapper/111:13:491
71320rcu_preempt0-21swapper/111:03:171
71320rcu_preempt0-21swapper/111:03:171
71320rcu_preempt0-21swapper/111:01:211
71320rcu_preempt0-21swapper/111:01:211
71320rcu_preempt0-21swapper/109:42:131
71320rcu_preempt0-21swapper/109:42:131
71320rcu_preempt0-21swapper/109:05:531
71320rcu_preempt0-21swapper/109:05:531
71320rcu_preempt0-21swapper/109:05:531
71320rcu_preempt0-21swapper/108:52:241
71320rcu_preempt0-21swapper/108:52:241
71320rcu_preempt0-21swapper/008:42:500
71320rcu_preempt0-21swapper/008:42:500
71320rcu_preempt0-21swapper/008:42:500
46450320irq/118-QManpo2562-2109:24:362
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
46050320irq/122-QManpo0-210
25502320sleep331115-1kworker/3:2H13:13:003
25502320sleep331115-1kworker/3:2H13:13:003
224742320chrt19326-1kworker/0:0H09:36:400
1599320migration/09738-21taskset08:48:320
1599320migration/09738-21taskset08:48:320
1599320migration/05143-21unixbench_multi12:13:500
1599320migration/05143-21unixbench_multi12:13:500
1599320migration/05143-21unixbench_multi12:13:500
71310rcu_preempt20724-1kworker/1:2H13:05:231
71310rcu_preempt20724-1kworker/1:2H13:05:231
71310rcu_preempt0-21swapper/312:53:553
71310rcu_preempt0-21swapper/312:53:553
71310rcu_preempt0-21swapper/312:43:173
71310rcu_preempt0-21swapper/312:43:173
71310rcu_preempt0-21swapper/312:43:173
71310rcu_preempt0-21swapper/312:41:563
71310rcu_preempt0-21swapper/312:41:563
71310rcu_preempt0-21swapper/309:33:403
71310rcu_preempt0-21swapper/309:33:403
71310rcu_preempt0-21swapper/309:33:403
71310rcu_preempt0-21swapper/307:58:133
71310rcu_preempt0-21swapper/307:58:133
71310rcu_preempt0-21swapper/212:52:472
71310rcu_preempt0-21swapper/212:52:472
71310rcu_preempt0-21swapper/212:34:142
71310rcu_preempt0-21swapper/212:34:142
71310rcu_preempt0-21swapper/212:28:552
71310rcu_preempt0-21swapper/212:28:552
71310rcu_preempt0-21swapper/212:06:552
71310rcu_preempt0-21swapper/212:06:552
71310rcu_preempt0-21swapper/211:23:242
71310rcu_preempt0-21swapper/211:23:242
71310rcu_preempt0-21swapper/211:23:242
71310rcu_preempt0-21swapper/210:08:362
71310rcu_preempt0-21swapper/210:08:362
71310rcu_preempt0-21swapper/111:43:411
71310rcu_preempt0-21swapper/111:43:411
71310rcu_preempt0-21swapper/111:43:411
71310rcu_preempt0-21swapper/110:45:551
71310rcu_preempt0-21swapper/110:45:551
71310rcu_preempt0-21swapper/109:55:571
71310rcu_preempt0-21swapper/109:55:571
71310rcu_preempt0-21swapper/109:55:571
71310rcu_preempt0-21swapper/108:15:231
71310rcu_preempt0-21swapper/108:15:231
46650310irq/116-QManpo0-2109:24:363
46650310irq/116-QManpo0-2109:24:363
46050310irq/122-QManpo0-210
46050310irq/122-QManpo0-210
71300rcu_preempt6259-21ssh11:13:233
71300rcu_preempt6259-21ssh11:13:233
71300rcu_preempt4129-21ssh11:09:241
71300rcu_preempt25178-21apt-get09:43:212
71300rcu_preempt25178-21apt-get09:43:212
71300rcu_preempt12887-21snmpd10:53:163
71300rcu_preempt12887-21snmpd10:53:163
71300rcu_preempt12887-21snmpd10:53:163
71300rcu_preempt0-21swapper/312:30:573
71300rcu_preempt0-21swapper/312:30:573
71300rcu_preempt0-21swapper/312:23:073
71300rcu_preempt0-21swapper/312:23:073
71300rcu_preempt0-21swapper/312:23:073
71300rcu_preempt0-21swapper/312:03:203
71300rcu_preempt0-21swapper/312:03:203
71300rcu_preempt0-21swapper/311:25:563
71300rcu_preempt0-21swapper/311:25:563
71300rcu_preempt0-21swapper/311:25:563
71300rcu_preempt0-21swapper/212:15:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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