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2026-05-16 - 04:09
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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 rackcslot6.osadl.org (updated Sat May 16, 2026 00:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
300802399380379,1cyclictest97550irq/166-enp0s3121:59:026
300802399380378,1cyclictest97550irq/166-enp0s3100:11:026
300802399379378,1cyclictest97550irq/166-enp0s3121:49:026
300802399379378,1cyclictest3235585-21kworker/6:019:25:036
300802399379377,1cyclictest97550irq/166-enp0s3121:01:026
300802399379377,1cyclictest97550irq/166-enp0s3100:21:026
300802399379377,1cyclictest97550irq/166-enp0s3100:07:036
300802399379377,1cyclictest97550irq/166-enp0s3100:07:026
300802399378376,1cyclictest97550irq/166-enp0s3123:49:026
300802399378374,4cyclictest3128988-21kworker/6:121:51:026
300802399377376,1cyclictest3047931-21kworker/6:221:13:026
300802399377375,1cyclictest97550irq/166-enp0s3123:21:026
300802399377375,1cyclictest97550irq/166-enp0s3121:31:036
300802399377375,1cyclictest97550irq/166-enp0s3121:25:026
300802399377375,1cyclictest97550irq/166-enp0s3119:11:026
3007983993770,0cyclictest0-21swapper/100:03:021
300802399376374,1cyclictest97550irq/166-enp0s3122:59:026
300802399376374,1cyclictest97550irq/166-enp0s3121:17:026
300802399376374,1cyclictest97550irq/166-enp0s3121:07:026
300802399376374,1cyclictest0-21swapper/620:25:036
300802399375374,1cyclictest3128988-21kworker/6:122:03:026
300802399375374,1cyclictest0-21swapper/622:27:026
300802399375371,4cyclictest3223798-21kworker/6:200:37:026
300802399374372,1cyclictest97550irq/166-enp0s3120:19:026
300802399374372,1cyclictest97550irq/166-enp0s3120:05:026
300802399374372,1cyclictest97550irq/166-enp0s3119:41:026
300802399373373,0cyclictest0-21swapper/621:36:026
300802399373372,1cyclictest97550irq/166-enp0s3100:01:026
300802399373371,1cyclictest97550irq/166-enp0s3123:35:026
300802399373371,1cyclictest0-21swapper/620:57:026
300802399372371,1cyclictest97550irq/166-enp0s3122:39:026
300802399372370,1cyclictest97550irq/166-enp0s3123:42:026
300802399372370,1cyclictest97550irq/166-enp0s3122:13:026
300802399372370,1cyclictest97550irq/166-enp0s3119:37:026
300802399372370,1cyclictest97550irq/166-enp0s3119:21:026
300802399371370,1cyclictest0-21swapper/620:47:026
300802399371369,1cyclictest97550irq/166-enp0s3123:54:026
300802399371369,1cyclictest97550irq/166-enp0s3122:24:036
300802399371369,1cyclictest97550irq/166-enp0s3121:41:026
300802399371369,1cyclictest97550irq/166-enp0s3100:18:026
300802399370369,1cyclictest97550irq/166-enp0s3120:23:026
300802399370368,1cyclictest97550irq/166-enp0s3123:17:026
300802399370368,1cyclictest97550irq/166-enp0s3122:44:026
300802399370368,1cyclictest97550irq/166-enp0s3100:27:026
300798399370369,1cyclictest3059973-21kworker/1:121:07:021
300798399370368,1cyclictest3081606-21kworker/1:021:47:021
300798399370368,1cyclictest2975429-21kworker/1:219:41:021
300798399370367,2cyclictest3059973-21kworker/1:121:10:021
300798399370367,2cyclictest2975429-21kworker/1:220:19:021
300802399369368,1cyclictest3128988-21kworker/6:122:47:026
300802399369368,1cyclictest3128988-21kworker/6:122:47:026
300802399369366,2cyclictest3223798-21kworker/6:223:30:026
300802399368367,1cyclictest97550irq/166-enp0s3122:30:026
300802399368366,1cyclictest97550irq/166-enp0s3123:11:026
300802399368366,1cyclictest97550irq/166-enp0s3122:53:026
300802399368366,1cyclictest97550irq/166-enp0s3122:19:026
300802399368366,1cyclictest3235585-21kworker/6:020:03:026
300802399368366,1cyclictest3047931-21kworker/6:220:44:226
300798399368367,1cyclictest0-21swapper/122:57:021
300798399368367,1cyclictest0-21swapper/122:39:021
300798399368366,1cyclictest2975429-21kworker/1:219:37:021
300798399368365,2cyclictest3081606-21kworker/1:022:24:021
300802399367366,1cyclictest97550irq/166-enp0s3100:33:026
300802399367365,1cyclictest97550irq/166-enp0s3120:35:026
300802399367365,1cyclictest97550irq/166-enp0s3119:15:026
300798399367366,1cyclictest0-21swapper/123:07:021
300798399367366,1cyclictest0-21swapper/122:13:031
300798399367365,1cyclictest2975429-21kworker/1:220:09:021
300798399367364,2cyclictest3229465-21kworker/1:223:54:021
300802399366365,1cyclictest97550irq/166-enp0s3123:05:026
300802399366365,1cyclictest0-21swapper/623:57:026
300798399366365,1cyclictest0-21swapper/123:42:021
300798399366364,1cyclictest0-21swapper/122:44:021
300802399365364,1cyclictest97550irq/166-enp0s3119:49:026
300802399365364,1cyclictest97550irq/166-enp0s3119:32:026
300798399365364,1cyclictest3081606-21kworker/1:021:41:031
300798399365364,1cyclictest0-21swapper/100:27:021
300798399365363,1cyclictest3299741-21kworker/1:000:17:021
300798399365363,1cyclictest3229465-21kworker/1:223:20:021
3007983993650,364cyclictest0-21swapper/120:44:221
300798399364363,1cyclictest3081606-21kworker/1:023:17:021
300798399364363,1cyclictest0-21swapper/122:15:021
300798399364362,1cyclictest3081606-21kworker/1:022:30:021
300802399363362,1cyclictest3047931-21kworker/6:221:22:026
300802399363362,1cyclictest3047931-21kworker/6:221:22:026
300802399363361,1cyclictest97550irq/166-enp0s3119:59:026
300802399363361,1cyclictest97550irq/166-enp0s3119:59:026
300798399363362,1cyclictest3081606-21kworker/1:021:34:021
300798399363362,1cyclictest0-21swapper/122:53:021
300798399363361,1cyclictest3299741-21kworker/1:000:20:021
300802399362360,2cyclictest3128988-21kworker/6:122:06:036
300802399362360,1cyclictest3223798-21kworker/6:223:25:026
300802399362360,1cyclictest3047931-21kworker/6:220:30:026
300798399362361,1cyclictest3299741-21kworker/1:000:33:021
300798399362361,1cyclictest3081606-21kworker/1:023:11:021
300798399362361,1cyclictest0-21swapper/123:55:021
300798399362361,1cyclictest0-21swapper/122:26:021
300798399362360,1cyclictest2975429-21kworker/1:220:35:031
300798399362360,1cyclictest2975429-21kworker/1:219:14:021
300798399361360,1cyclictest2975429-21kworker/1:219:15:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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