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2026-06-17 - 16:08
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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 highest latencies:
System rack6slot5.osadl.org (updated Wed Jun 17, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3999997015164,4526cyclictest9649-21kworker/0:007:47:430
3999992614775,4481cyclictest18621-21kworker/0:107:29:040
3999990004642,4347cyclictest18621-21kworker/0:107:19:410
3999987724527,4234cyclictest9649-21kworker/0:007:55:570
3999985234404,4108cyclictest18621-21kworker/0:107:24:050
3999975503878,3629cyclictest9649-21kworker/0:007:33:100
3999974844060,3408cyclictest18621-21kworker/0:107:14:110
3999972893635,3603cyclictest9649-21kworker/0:007:39:010
3999969293760,3127cyclictest9649-21kworker/0:007:54:220
3999966223554,3056cyclictest9649-21kworker/0:007:40:370
324172783183,204sleep00-21swapper07:06:550
3999950855,439cyclictest24912-21ssh09:37:520
3999950652,440cyclictest31411-21ssh09:53:040
3999949955,430cyclictest17027-21sed11:50:250
3999949256,375cyclictest24187-21ssh10:51:080
3999946454,79cyclictest1957-21ssh10:00:320
399994440,383cyclictest13959-21runrttasks09:11:510
399994404,422cyclictest20814-21ssh09:28:520
399994395,373cyclictest9905-21ssh11:33:100
399994394,374cyclictest9804-21ssh10:17:510
399994394,374cyclictest7559-21ssh11:27:070
399994384,249cyclictest31701-21ssh11:09:310
399994374,373cyclictest24919-21ssh12:07:380
399994374,373cyclictest20785-21ssh11:58:410
399994374,373cyclictest18645-21ssh10:38:550
3999943135,382cyclictest11-21ksoftirqd/008:23:170
3999942670,356cyclictest0-21swapper09:49:410
399994241,249cyclictest31723-21ssh12:24:280
399994240,249cyclictest27097-21ssh12:12:460
3999941160,338cyclictest345450irq/10-yenta08:59:420
3999940955,340cyclictest16450-21ssh09:18:390
3999940855,340cyclictest27183-21ssh09:43:270
3999940855,339cyclictest31922-21ssh11:10:090
3999940219,88cyclictest4894-21runrttasks09:34:020
3999940150,351cyclictest0-21swapper08:35:110
3999939939,79cyclictest16605-21ssh11:49:200
3999939937,301cyclictest5601-21ssh10:08:160
3999939621,360cyclictest22265-21grep12:01:230
3999939535,360cyclictest0-21swapper10:33:280
3999939535,360cyclictest0-21swapper10:23:260
3999939535,360cyclictest0-21swapper08:54:340
3999939332,361cyclictest0-21swapper09:58:270
3999939131,360cyclictest0-21swapper08:42:380
3999938843,345cyclictest0-21swapper08:31:580
3999938837,351cyclictest0-21swapper08:28:030
399993870,204cyclictest29513-21ssh12:19:160
3999938637,349cyclictest0-21swapper11:39:080
3999938531,354cyclictest0-21swapper10:57:580
3999938338,285cyclictest23002-21perl08:06:040
3999938334,165cyclictest20833-21ssh10:44:020
3999938236,346cyclictest0-21swapper12:34:210
3999938235,347cyclictest0-21swapper09:08:300
3999938220,87cyclictest4594-21sed12:35:480
3999937865,79cyclictest11-21ksoftirqd/011:00:250
3999937751,311cyclictest10315-21seq09:02:540
399993765,356cyclictest32636-21ssh12:25:500
399993754,357cyclictest18360-21ssh09:22:180
3999937452,88cyclictest2096-21grep11:15:400
399993744,356cyclictest22936-21ssh10:48:460
3999937347,311cyclictest21605-21seq08:03:220
399993691,355cyclictest14471-21ssh11:44:270
3999936051,249cyclictest4998-21seq08:49:570
3999935493,247cyclictest11-21ksoftirqd/011:20:100
399993531,338cyclictest13074-21ssh10:25:450
3999934886,203cyclictest11-21ksoftirqd/008:12:090
3999934796,79cyclictest11-21ksoftirqd/010:14:130
3999934293,190cyclictest11-21ksoftirqd/008:16:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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