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2025-12-30 - 18:28
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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 30, 2025 12:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71630rcu_preempt0-21swapper/111:59:081
71630rcu_preempt0-21swapper/111:59:081
71630rcu_preempt0-21swapper/111:59:081
71520rcu_preempt0-21swapper/310:32:553
71520rcu_preempt0-21swapper/310:32:553
71520rcu_preempt0-21swapper/310:32:553
71520rcu_preempt0-21swapper/010:15:250
71520rcu_preempt0-21swapper/010:15:250
71450rcu_preempt0-21swapper/209:43:212
71450rcu_preempt0-21swapper/209:43:212
71440rcu_preempt3102-21taskset08:20:231
71440rcu_preempt3102-21taskset08:20:231
16078994418cyclictest0-21swapper/210:00:352
16078994418cyclictest0-21swapper/210:00:352
46050430irq/122-QManpo3102-210
46050430irq/122-QManpo3102-210
1607899434cyclictest0-21swapper/212:05:592
1607899434cyclictest0-21swapper/212:05:592
1607899434cyclictest0-21swapper/212:05:592
1607899432cyclictest1959-21runrttasks11:27:512
1607899432cyclictest1959-21runrttasks11:27:512
1607899432cyclictest14124-21ssh10:57:122
1607899432cyclictest14124-21ssh10:57:122
1607899432cyclictest14124-21ssh10:57:122
1607899431cyclictest0-21swapper/210:42:522
1607899431cyclictest0-21swapper/210:42:522
71420rcu_preempt2385-21irqstats09:40:450
71420rcu_preempt2385-21irqstats09:40:450
71420rcu_preempt0-21swapper/111:36:561
71420rcu_preempt0-21swapper/111:36:561
71420rcu_preempt0-21swapper/111:36:561
1607899423cyclictest0-21swapper/209:35:352
1607899423cyclictest0-21swapper/209:35:352
1607899423cyclictest0-21swapper/209:08:402
1607899423cyclictest0-21swapper/209:08:402
1607899423cyclictest0-21swapper/209:08:402
1607899423cyclictest0-21swapper/208:40:432
1607899423cyclictest0-21swapper/208:40:432
1607899423cyclictest0-21swapper/208:15:222
1607899423cyclictest0-21swapper/208:15:222
1607899422cyclictest31158-21memory10:30:442
1607899422cyclictest31158-21memory10:30:442
1607899422cyclictest31158-21memory10:30:442
16078994217cyclictest0-21swapper/209:25:542
16078994217cyclictest0-21swapper/209:25:542
71410rcu_preempt27134-21head12:15:511
71410rcu_preempt27134-21head12:15:511
71410rcu_preempt27134-21head12:15:511
1607899416cyclictest0-21swapper/211:38:082
1607899416cyclictest0-21swapper/211:38:082
1607899416cyclictest0-21swapper/211:38:082
1607899413cyclictest0-21swapper/212:23:502
1607899413cyclictest0-21swapper/212:23:502
1607899413cyclictest0-21swapper/212:10:342
1607899413cyclictest0-21swapper/212:10:342
1607899413cyclictest0-21swapper/212:10:342
1607899413cyclictest0-21swapper/212:00:362
1607899413cyclictest0-21swapper/212:00:362
1607899413cyclictest0-21swapper/211:04:012
1607899413cyclictest0-21swapper/211:04:012
1607899413cyclictest0-21swapper/211:04:012
1607899413cyclictest0-21swapper/207:30:442
1607899413cyclictest0-21swapper/207:30:442
1607899412cyclictest12420-21ntp_states11:50:472
1607899412cyclictest12420-21ntp_states11:50:472
16078994116cyclictest0-21swapper/212:15:522
16078994116cyclictest0-21swapper/212:15:522
16078994116cyclictest0-21swapper/212:15:522
71400rcu_preempt19872-21cat09:15:231
71400rcu_preempt19872-21cat09:15:231
71400rcu_preempt0-21swapper/109:49:561
71400rcu_preempt0-21swapper/109:49:561
71400rcu_preempt0-21swapper/009:51:250
71400rcu_preempt0-21swapper/009:51:250
71400rcu_preempt0-21swapper/009:30:230
71400rcu_preempt0-21swapper/009:30:230
46650400irq/116-QManpo15039-2110:48:553
46650400irq/116-QManpo15039-2110:48:553
46050400irq/122-QManpo27838-2110:48:550
46050400irq/122-QManpo27838-2110:48:550
1607899403cyclictest0-21swapper/212:36:042
1607899403cyclictest0-21swapper/212:36:042
1607899403cyclictest0-21swapper/212:36:042
1607899403cyclictest0-21swapper/212:30:442
1607899403cyclictest0-21swapper/212:30:442
1607899403cyclictest0-21swapper/212:25:292
1607899403cyclictest0-21swapper/212:25:292
1607899403cyclictest0-21swapper/211:10:462
1607899403cyclictest0-21swapper/211:10:462
1607899403cyclictest0-21swapper/210:20:532
1607899403cyclictest0-21swapper/210:20:532
1607899403cyclictest0-21swapper/210:10:382
1607899403cyclictest0-21swapper/210:10:382
1607899403cyclictest0-21swapper/209:56:112
1607899403cyclictest0-21swapper/209:56:112
1607899403cyclictest0-21swapper/209:56:112
1607899403cyclictest0-21swapper/209:22:532
1607899403cyclictest0-21swapper/209:22:532
1607899401cyclictest30379-21cut08:00:422
1607899401cyclictest30379-21cut08:00:422
1599400migration/027749-21taskset07:50:450
1599400migration/027749-21taskset07:50:450
1599400migration/027749-21taskset07:50:450
1599400migration/021009-21taskset09:15:530
1599400migration/021009-21taskset09:15:530
1599400migration/021009-21taskset09:15:530
71390rcu_preempt0-21swapper/310:15:253
71390rcu_preempt0-21swapper/310:15:253
71390rcu_preempt0-21swapper/109:36:201
71390rcu_preempt0-21swapper/109:36:201
71390rcu_preempt0-21swapper/107:55:361
71390rcu_preempt0-21swapper/107:55:361
71390rcu_preempt0-21swapper/010:57:260
71390rcu_preempt0-21swapper/010:57:260
71390rcu_preempt0-21swapper/010:57:260
71390rcu_preempt0-21swapper/007:55:320
71390rcu_preempt0-21swapper/007:55:320
46050390irq/122-QManpo5273-2110:48:550
46050390irq/122-QManpo5273-2110:48:550
46050390irq/122-QManpo5273-2110:48:550
1607899394cyclictest0-21swapper/210:38:322
1607899394cyclictest0-21swapper/210:38:322
1607899394cyclictest0-21swapper/210:38:322
1607899393cyclictest0-21swapper/210:45:372
1607899393cyclictest0-21swapper/210:45:372
1607899393cyclictest0-21swapper/209:16:292
1607899393cyclictest0-21swapper/209:16:292
1607899393cyclictest0-21swapper/209:16:292
1607899393cyclictest0-21swapper/208:25:282
1607899393cyclictest0-21swapper/208:25:282
1607899392cyclictest28476-21apt-get09:30:452
1607899392cyclictest28476-21apt-get09:30:452
1607899392cyclictest0-21swapper/207:25:382
1607899392cyclictest0-21swapper/207:25:382
1607899391cyclictest7014-21ssh09:48:552
1607899391cyclictest7014-21ssh09:48:552
71380rcu_preempt5957-21sendmail-msp11:40:351
71380rcu_preempt5957-21sendmail-msp11:40:351
71380rcu_preempt25338-1kworker/0:0H11:18:330
71380rcu_preempt25338-1kworker/0:0H11:18:330
71380rcu_preempt25338-1kworker/0:0H11:18:330
71380rcu_preempt0-21swapper/109:59:501
71380rcu_preempt0-21swapper/109:59:501
71380rcu_preempt0-21swapper/109:59:501
71380rcu_preempt0-21swapper/012:17:140
71380rcu_preempt0-21swapper/012:17:140
71380rcu_preempt0-21swapper/012:17:140
71380rcu_preempt0-21swapper/012:06:160
71380rcu_preempt0-21swapper/012:06:160
71380rcu_preempt0-21swapper/012:06:160
71380rcu_preempt0-21swapper/010:34:300
71380rcu_preempt0-21swapper/010:34:300
71380rcu_preempt0-21swapper/010:34:300
71380rcu_preempt0-21swapper/010:07:110
71380rcu_preempt0-21swapper/010:07:110
71380rcu_preempt0-21swapper/009:47:540
71380rcu_preempt0-21swapper/009:47:540
1607899383cyclictest0-21swapper/211:30:462
1607899383cyclictest0-21swapper/211:30:462
1607899383cyclictest0-21swapper/211:25:222
1607899383cyclictest0-21swapper/211:25:222
1607899383cyclictest0-21swapper/210:18:482
1607899383cyclictest0-21swapper/210:18:482
71370rcu_preempt29660-21ntp_offset12:20:501
71370rcu_preempt29660-21ntp_offset12:20:501
71370rcu_preempt0-21swapper/112:07:231
71370rcu_preempt0-21swapper/112:07:231
71370rcu_preempt0-21swapper/112:07:231
71370rcu_preempt0-21swapper/110:34:521
71370rcu_preempt0-21swapper/110:34:521
71370rcu_preempt0-21swapper/110:34:521
71370rcu_preempt0-21swapper/110:10:121
71370rcu_preempt0-21swapper/110:10:121
71370rcu_preempt0-21swapper/011:25:400
71370rcu_preempt0-21swapper/011:25:400
71370rcu_preempt0-21swapper/008:52:590
71370rcu_preempt0-21swapper/008:52:590
71370rcu_preempt0-21swapper/007:10:460
71370rcu_preempt0-21swapper/007:10:460
46050370irq/122-QManpo3236-2110:48:550
46050370irq/122-QManpo3236-2110:48:550
46050370irq/122-QManpo27026-2110:48:550
46050370irq/122-QManpo27026-2110:48:550
46050370irq/122-QManpo0-210
46050370irq/122-QManpo0-210
307022370sleep014874-1kworker/0:2H09:33:420
307022370sleep014874-1kworker/0:2H09:33:420
16078993715cyclictest0-21swapper/211:08:162
16078993715cyclictest0-21swapper/211:08:162
71360rcu_preempt18577-21sh12:00:560
71360rcu_preempt18577-21sh12:00:560
71360rcu_preempt16956-21kworker/0:110:15:340
71360rcu_preempt16956-21kworker/0:110:15:340
71360rcu_preempt0-21swapper/111:33:551
71360rcu_preempt0-21swapper/111:33:551
71360rcu_preempt0-21swapper/111:03:231
71360rcu_preempt0-21swapper/111:03:231
71360rcu_preempt0-21swapper/111:03:231
71360rcu_preempt0-21swapper/108:00:541
71360rcu_preempt0-21swapper/108:00:541
71360rcu_preempt0-21swapper/011:35:530
71360rcu_preempt0-21swapper/011:35:530
71360rcu_preempt0-21swapper/011:35:530
71360rcu_preempt0-21swapper/010:51:450
71360rcu_preempt0-21swapper/010:51:450
71360rcu_preempt0-21swapper/009:55:330
71360rcu_preempt0-21swapper/009:55:330
71360rcu_preempt0-21swapper/009:55:330
71360rcu_preempt0-21swapper/007:45:480
71360rcu_preempt0-21swapper/007:45:480
71360rcu_preempt0-21swapper/007:35:340
71360rcu_preempt0-21swapper/007:35:340
71360rcu_preempt0-21swapper/007:35:340
46050360irq/122-QManpo4077-2110:48:550
46050360irq/122-QManpo4077-2110:48:550
46050360irq/122-QManpo25164-2110:48:550
46050360irq/122-QManpo25164-2110:48:550
46050360irq/122-QManpo14313-2110:48:550
46050360irq/122-QManpo14313-2110:48:550
46050360irq/122-QManpo13504-210
46050360irq/122-QManpo13504-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
46050360irq/122-QManpo0-210
1607899364cyclictest0-21swapper/210:26:212
1607899364cyclictest0-21swapper/210:26:212
1607899363cyclictest0-21swapper/211:15:392
1607899363cyclictest0-21swapper/211:15:392
1607899363cyclictest0-21swapper/211:15:392
71350rcu_preempt9269-21/usr/sbin/munin11:45:390
71350rcu_preempt9269-21/usr/sbin/munin11:45:390
71350rcu_preempt23628-21ssh12:10:410
71350rcu_preempt23628-21ssh12:10:410
71350rcu_preempt23628-21ssh12:10:410
71350rcu_preempt16954-21diskmemload09:50:341
71350rcu_preempt16954-21diskmemload09:50:341
71350rcu_preempt15315-21/usr/sbin/munin07:05:462
71350rcu_preempt15315-21/usr/sbin/munin07:05:462
71350rcu_preempt0-21swapper/210:53:272
71350rcu_preempt0-21swapper/210:53:272
71350rcu_preempt0-21swapper/112:36:111
71350rcu_preempt0-21swapper/112:36:111
71350rcu_preempt0-21swapper/112:36:111
71350rcu_preempt0-21swapper/111:52:351
71350rcu_preempt0-21swapper/111:52:351
71350rcu_preempt0-21swapper/111:06:351
71350rcu_preempt0-21swapper/111:06:351
71350rcu_preempt0-21swapper/111:00:251
71350rcu_preempt0-21swapper/111:00:251
71350rcu_preempt0-21swapper/111:00:251
71350rcu_preempt0-21swapper/110:25:561
71350rcu_preempt0-21swapper/110:25:561
71350rcu_preempt0-21swapper/110:24:031
71350rcu_preempt0-21swapper/110:24:031
71350rcu_preempt0-21swapper/110:05:091
71350rcu_preempt0-21swapper/110:05:091
71350rcu_preempt0-21swapper/109:22:031
71350rcu_preempt0-21swapper/109:22:031
71350rcu_preempt0-21swapper/109:18:241
71350rcu_preempt0-21swapper/109:18:241
71350rcu_preempt0-21swapper/109:18:241
71350rcu_preempt0-21swapper/108:30:411
71350rcu_preempt0-21swapper/108:30:411
71350rcu_preempt0-21swapper/108:30:131
71350rcu_preempt0-21swapper/108:30:131
71350rcu_preempt0-21swapper/011:58:490
71350rcu_preempt0-21swapper/011:58:490
71350rcu_preempt0-21swapper/011:58:490
71350rcu_preempt0-21swapper/011:41:230
71350rcu_preempt0-21swapper/011:41:230
71350rcu_preempt0-21swapper/011:06:260
71350rcu_preempt0-21swapper/011:06:260
71350rcu_preempt0-21swapper/009:35:570
71350rcu_preempt0-21swapper/009:35:570
71350rcu_preempt0-21swapper/009:13:410
71350rcu_preempt0-21swapper/009:13:410
71350rcu_preempt0-21swapper/008:40:460
71350rcu_preempt0-21swapper/008:40:460
46250350irq/120-QManpo0-2110:48:551
46250350irq/120-QManpo0-2110:48:551
46050350irq/122-QManpo30219-2110:48:550
46050350irq/122-QManpo30219-2110:48:550
46050350irq/122-QManpo22390-2110:48:550
46050350irq/122-QManpo22390-2110:48:550
46050350irq/122-QManpo19837-210
46050350irq/122-QManpo19837-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
46050350irq/122-QManpo0-210
111652350sleep05552-1kworker/0:1H08:47:310
111652350sleep05552-1kworker/0:1H08:47:310
71340rcu_preempt15853-21ssh11:56:202
71340rcu_preempt15853-21ssh11:56:202
71340rcu_preempt15853-21ssh11:56:202
71340rcu_preempt0-21swapper/312:35:583
71340rcu_preempt0-21swapper/312:35:583
71340rcu_preempt0-21swapper/312:35:583
71340rcu_preempt0-21swapper/209:50:302
71340rcu_preempt0-21swapper/209:50:302
71340rcu_preempt0-21swapper/112:35:111
71340rcu_preempt0-21swapper/112:35:111
71340rcu_preempt0-21swapper/112:29:351
71340rcu_preempt0-21swapper/112:29:351
71340rcu_preempt0-21swapper/112:11:461
71340rcu_preempt0-21swapper/112:11:461
71340rcu_preempt0-21swapper/112:11:461
71340rcu_preempt0-21swapper/111:28:101
71340rcu_preempt0-21swapper/111:28:101
71340rcu_preempt0-21swapper/111:15:131
71340rcu_preempt0-21swapper/111:15:131
71340rcu_preempt0-21swapper/110:19:551
71340rcu_preempt0-21swapper/110:19:551
71340rcu_preempt0-21swapper/109:33:531
71340rcu_preempt0-21swapper/109:33:531
71340rcu_preempt0-21swapper/109:30:241
71340rcu_preempt0-21swapper/109:30:241
71340rcu_preempt0-21swapper/109:10:151
71340rcu_preempt0-21swapper/109:10:151
71340rcu_preempt0-21swapper/109:10:151
71340rcu_preempt0-21swapper/107:10:471
71340rcu_preempt0-21swapper/107:10:471
71340rcu_preempt0-21swapper/010:47:540
71340rcu_preempt0-21swapper/010:47:540
71340rcu_preempt0-21swapper/008:38:420
71340rcu_preempt0-21swapper/008:38:420
58462340sleep05552-1kworker/0:1H08:30:160
58462340sleep05552-1kworker/0:1H08:30:160
46050340irq/122-QManpo32109-2110:48:550
46050340irq/122-QManpo32109-2110:48:550
46050340irq/122-QManpo23523-2110:48:550
46050340irq/122-QManpo23523-2110:48:550
46050340irq/122-QManpo1702-2110:48:550
46050340irq/122-QManpo1702-2110:48:550
46050340irq/122-QManpo13082-2110:48:550
46050340irq/122-QManpo13082-2110:48:550
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
46050340irq/122-QManpo0-210
71330rcu_preempt16880-21grep10:05:482
71330rcu_preempt16880-21grep10:05:482
71330rcu_preempt10159-21/usr/sbin/munin08:45:332
71330rcu_preempt10159-21/usr/sbin/munin08:45:332
71330rcu_preempt0-21swapper/309:40:443
71330rcu_preempt0-21swapper/309:40:443
71330rcu_preempt0-21swapper/309:30:333
71330rcu_preempt0-21swapper/309:30:333
71330rcu_preempt0-21swapper/309:25:573
71330rcu_preempt0-21swapper/309:25:573
71330rcu_preempt0-21swapper/308:15:253
71330rcu_preempt0-21swapper/308:15:253
71330rcu_preempt0-21swapper/307:50:453
71330rcu_preempt0-21swapper/307:50:453
71330rcu_preempt0-21swapper/307:50:453
71330rcu_preempt0-21swapper/208:30:452
71330rcu_preempt0-21swapper/208:30:452
71330rcu_preempt0-21swapper/208:15:392
71330rcu_preempt0-21swapper/208:15:392
71330rcu_preempt0-21swapper/208:05:532
71330rcu_preempt0-21swapper/208:05:532
71330rcu_preempt0-21swapper/112:01:551
71330rcu_preempt0-21swapper/112:01:551
71330rcu_preempt0-21swapper/111:21:431
71330rcu_preempt0-21swapper/111:21:431
71330rcu_preempt0-21swapper/111:17:121
71330rcu_preempt0-21swapper/111:17:121
71330rcu_preempt0-21swapper/111:17:121
71330rcu_preempt0-21swapper/110:51:361
71330rcu_preempt0-21swapper/110:51:361
71330rcu_preempt0-21swapper/110:12:281
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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