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2026-09-15 - 07:01
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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 Tue Sep 15, 2026 00:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
240599105575300,5216cyclictest20680-21kworker/0:019:18:160
24059996865083,4599cyclictest20680-21kworker/0:020:03:460
24059996375250,4373cyclictest21447-21kworker/0:023:10:560
24059993334816,4507cyclictest20680-21kworker/0:019:30:460
24059991784738,4430cyclictest20680-21kworker/0:019:24:330
24059988674640,4178cyclictest20680-21kworker/0:020:52:500
24059986584360,4276cyclictest20680-21kworker/0:020:37:010
24059982294045,4011cyclictest20680-21kworker/0:020:33:310
24059980914354,3695cyclictest20680-21kworker/0:019:48:070
24059977394072,3627cyclictest20680-21kworker/0:019:14:150
24059973263862,3413cyclictest20680-21kworker/0:020:18:160
24059972003821,3365cyclictest20680-21kworker/0:021:08:070
24059971113662,3435cyclictest20680-21kworker/0:020:20:190
24059968673787,3076cyclictest20680-21kworker/0:019:39:070
24059967473575,3130cyclictest20680-21kworker/0:021:44:320
24059967313677,3040cyclictest21447-21kworker/0:023:08:590
24059963563217,3125cyclictest20680-21kworker/0:021:47:230
24059963253368,2906cyclictest16077-21kworker/0:122:24:290
24059949232690,2219cyclictest16077-21kworker/0:122:26:250
24059936863602,35cyclictest20680-21kworker/0:019:29:120
21532747184,203sleep00-21swapper19:08:290
2405995414,537cyclictest0-21swapper00:22:480
24059946333,369cyclictest13054-21ssh23:26:480
24059946320,382cyclictest20815-21grep22:31:240
2405994608,438cyclictest10990-21fschecks_time20:55:330
24059945584,358cyclictest15442-21diskmemload00:39:440
2405994553,438cyclictest14397-21munin-node19:40:190
24059944470,360cyclictest21939-21kworker/u2:023:57:340
24059943657,365cyclictest21236-21ssh23:45:590
24059943554,367cyclictest0-21swapper00:27:590
24059943456,87cyclictest14331-21runrttasks22:18:270
24059943451,370cyclictest2547-21kworker/u2:100:17:110
24059942854,360cyclictest113812sleep022:11:130
24059942756,358cyclictest0-21swapper21:37:490
24059942554,357cyclictest0-21swapper23:40:500
2405994240,248cyclictest7931-21ssh22:04:110
24059942348,361cyclictest9812-21chrt00:34:530
24059941854,187cyclictest24493-21chrt23:54:140
24059941757,347cyclictest351950irq/10-yenta21:53:060
24059941747,357cyclictest0-21swapper22:36:580
24059941731,374cyclictest15442-21diskmemload22:05:560
24059941632,368cyclictest15551-21ssh23:33:220
24059941434,380cyclictest32191-21strings00:11:020
24059941240,94cyclictest13-21rcuc/000:09:010
24059941233,365cyclictest19400-21apt-get21:17:040
24059941136,375cyclictest0-21swapper19:53:230
24059940833,88cyclictest1265-21proc_pri23:01:320
24059940639,353cyclictest17416-21ssh21:13:040
24059940634,372cyclictest0-21swapper23:23:570
24059940450,354cyclictest0-21swapper21:32:070
24059940334,369cyclictest0-21swapper20:29:260
24059940037,340cyclictest29826-21ssh22:53:290
24059940033,367cyclictest0-21swapper20:10:350
24059939937,340cyclictest4924-21runrttasks20:47:270
24059939936,340cyclictest19963-21sshd19:55:100
24059939935,364cyclictest0-21swapper20:42:480
24059939651,331cyclictest25539-21ssh22:43:530
24059939535,360cyclictest0-21swapper21:23:080
24059939372,261cyclictest0-21swapper22:59:460
24059939332,347cyclictest351950irq/10-yenta21:55:360
24059938820,355cyclictest4924-21runrttasks23:18:330
24059938431,339cyclictest17792-21runrttasks23:38:370
24059938314,356cyclictest15442-21diskmemload00:03:370
24059937952,327cyclictest0-21swapper22:47:250
24059937434,340cyclictest11857-21munin-node21:00:340
24059937320,339cyclictest23757-21ssh21:26:550
24059936437,154cyclictest11-21ksoftirqd/020:09:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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