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2026-04-28 - 21:19
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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 Tue Apr 28, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1413199104675390,5062cyclictest1012-21kworker/0:008:12:430
141319999325219,4708cyclictest1012-21kworker/0:009:07:490
141319989784555,4412cyclictest27328-21kworker/0:107:20:390
141319987554419,4331cyclictest1012-21kworker/0:010:30:330
141319986594382,4254cyclictest27328-21kworker/0:107:47:050
141319986474550,4054cyclictest1012-21kworker/0:008:32:240
141319981774116,4001cyclictest1012-21kworker/0:010:06:170
141319980284030,3947cyclictest27328-21kworker/0:107:14:130
141319979673996,3927cyclictest27328-21kworker/0:107:43:350
141319978944169,3674cyclictest3458-21kworker/0:210:39:530
141319977053909,3781cyclictest1012-21kworker/0:009:17:350
141319975734098,3460cyclictest1012-21kworker/0:008:08:540
141319975143773,3689cyclictest1012-21kworker/0:008:56:270
141319974384050,3329cyclictest1012-21kworker/0:009:24:240
141319973283901,3404cyclictest1012-21kworker/0:009:51:480
141319973123833,3436cyclictest17069-21kworker/0:111:06:500
141319972853654,3571cyclictest1012-21kworker/0:008:22:530
141319970653848,3174cyclictest29267-21kworker/0:111:33:050
141319970243850,3160cyclictest1012-21kworker/0:009:14:090
141319970043772,3228cyclictest1012-21kworker/0:008:45:100
141319968283680,3137cyclictest27328-21kworker/0:107:28:110
141319968173726,3040cyclictest1012-21kworker/0:008:43:350
141319967593644,3104cyclictest27328-21kworker/0:107:16:070
141319964853397,3065cyclictest29267-21kworker/0:111:35:080
141319963083382,2903cyclictest1012-21kworker/0:009:36:480
141319963073207,3085cyclictest1012-21kworker/0:009:28:090
141319962533367,2872cyclictest1012-21kworker/0:010:28:580
141319962113425,2743cyclictest1012-21kworker/0:010:16:550
141319961443309,2820cyclictest1012-21kworker/0:009:48:240
141319960273247,2765cyclictest1012-21kworker/0:010:03:030
141319939652428,1521cyclictest3458-21kworker/0:210:41:510
135032782186,177sleep00-21swapper07:05:260
141319947342,88cyclictest960-21kworker/u2:310:51:120
141319947141,361cyclictest27701-21awk11:25:390
141319947050,188cyclictest21388-21kworker/u2:212:27:050
141319946034,373cyclictest25600-21sh12:33:010
141319946033,427cyclictest10009-21ssh11:57:090
141319945932,359cyclictest26491-21ssh11:22:290
141319945831,373cyclictest26370-21ssh12:35:290
141319945733,89cyclictest10910-21runrttasks10:48:580
141319941951,353cyclictest26732-21cron10:15:010
141319941136,361cyclictest2202-21munin-node08:00:540
141319940933,87cyclictest16360-21grep11:00:440
141319940733,360cyclictest24832-21ssh11:20:030
141319940731,376cyclictest304232sleep007:50:350
141319940415,374cyclictest10837-21ntp_states12:00:220
141319940339,340cyclictest4955-21kernelversion11:46:000
141319940332,357cyclictest7190-21ssh09:33:580
141319940332,211cyclictest16148-21date08:40:020
141319939920,366cyclictest20297-21awk12:20:490
141319939835,350cyclictest7805-21ssh11:52:090
141319939632,349cyclictest30981-21rm10:22:070
141319939619,362cyclictest508-21df07:56:020
141319939433,347cyclictest345450irq/10-yenta10:58:050
141319939431,348cyclictest1760-21ssh11:40:100
141319939232,346cyclictest0-21swapper07:38:400
141319939127,341cyclictest13296-21egrep12:05:330
141319938050,269cyclictest22232-21munin-node07:31:040
141319938049,269cyclictest21554-21chrt11:11:120
141319938032,288cyclictest19313-21ssh09:58:540
141319937652,263cyclictest8278-21cron08:17:010
141319937330,282cyclictest12131-21ssh09:44:180
141319937041,259cyclictest12368-21cron08:30:000
141319937035,321cyclictest12885-21kworker/0:012:12:410
141319936232,269cyclictest24831-21ps09:00:590
141319936032,89cyclictest188552sleep012:17:180
141319932336,273cyclictest12-21rcu_preempt08:50:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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