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2026-06-13 - 18:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack6slot5.osadl.org (updated Sat Jun 13, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
216599999345293,4630cyclictest28334-21kworker/0:207:27:540
216599997845219,4554cyclictest8603-21kworker/0:208:30:580
216599995875119,4457cyclictest30474-21kworker/0:007:43:400
216599989804638,4337cyclictest31607-21kworker/0:107:19:330
216599989734828,4133cyclictest30474-21kworker/0:007:32:490
216599989704629,4330cyclictest8603-21kworker/0:208:54:030
216599988274555,4261cyclictest8603-21kworker/0:208:09:400
216599987824403,4327cyclictest8603-21kworker/0:208:14:530
216599987624528,4222cyclictest8603-21kworker/0:208:16:290
216599983164183,4118cyclictest31607-21kworker/0:107:14:150
216599982184386,3817cyclictest22340-21kworker/0:010:13:570
216599981344367,3724cyclictest8603-21kworker/0:208:44:390
216599979784301,3663cyclictest8603-21kworker/0:208:01:260
216599977524071,3638cyclictest30474-21kworker/0:007:53:460
216599976714052,3604cyclictest22340-21kworker/0:009:57:000
216599976654032,3590cyclictest30474-21kworker/0:007:48:030
216599976103803,3756cyclictest30474-21kworker/0:007:36:440
216599975903912,3663cyclictest6390-21kworker/0:110:30:530
216599974803998,3467cyclictest5066-21kworker/0:009:29:260
216599974754039,3392cyclictest6390-21kworker/0:110:27:470
216599973683998,3356cyclictest8603-21kworker/0:208:29:210
216599972783643,3593cyclictest8603-21kworker/0:209:07:480
216599971033643,3417cyclictest14220-21kworker/0:209:41:330
216599969423566,3333cyclictest8603-21kworker/0:208:37:040
216599968253758,3062cyclictest31607-21kworker/0:107:23:300
216599967083580,3117cyclictest8603-21kworker/0:209:01:320
216599964043441,2948cyclictest8603-21kworker/0:208:22:080
216599961753289,2835cyclictest5066-21kworker/0:009:17:340
216599959583308,2638cyclictest8603-21kworker/0:208:46:140
216599954692775,2683cyclictest30474-21kworker/0:007:55:220
216599952802927,2293cyclictest8603-21kworker/0:208:59:570
216599945624504,44cyclictest5066-21kworker/0:009:31:350
21563261049,177sleep00-21swapper07:09:490
216599948242,257cyclictest2450-21diskmemload12:19:130
216599946832,436cyclictest0-21swapper11:28:290
216599946131,369cyclictest2450-21diskmemload10:46:260
216599945873,88cyclictest21379-21ssh11:00:160
21659994486,381cyclictest29227-21seq12:32:180
21659994486,371cyclictest2450-21diskmemload10:37:220
21659994451,382cyclictest7122-21strings11:41:030
216599944483,348cyclictest345450irq/10-yenta12:05:220
21659994429,372cyclictest17628-21unixbench_singl10:50:460
216599944164,363cyclictest14247-21ssh11:57:110
21659994388,368cyclictest4490-21ssh10:21:230
216599943864,361cyclictest13-21rcuc/010:05:520
216599943673,349cyclictest338750irq/10-eth010:19:020
216599943255,248cyclictest4894-21runrttasks09:23:490
21659994324,358cyclictest27534-21ssh11:14:200
216599942937,95cyclictest2450-21diskmemload09:51:130
216599942753,360cyclictest24128-21grep11:05:470
21659994261,249cyclictest16442-21ssh09:38:270
216599942442,199cyclictest2450-21diskmemload11:33:340
216599942342,367cyclictest30288-21tail11:20:320
216599941838,97cyclictest21528-21ssh09:48:540
216599941343,347cyclictest18258-1kworker/0:0H12:25:580
216599940851,297cyclictest11-21ksoftirqd/012:36:180
216599939937,302cyclictest9286-21strings11:46:010
216599939724,359cyclictest23677-21munin-node11:15:110
216599939535,360cyclictest0-21swapper09:14:100
216599939525,370cyclictest0-21swapper11:54:530
216599938939,337cyclictest345450irq/10-yenta10:43:460
21659993885,368cyclictest16683-21ssh12:03:340
216599938037,343cyclictest5882-21ssh11:38:430
216599938033,347cyclictest0-21swapper12:23:450
216599937732,345cyclictest0-21swapper10:59:200
216599937731,346cyclictest0-21swapper12:12:190
216599936924,345cyclictest83250irq/14-ata_piix10:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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