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2026-07-15 - 08:41
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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 rack6slot0.osadl.org (updated Wed Jul 15, 2026 01:02:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3351699230216,10cyclictest0-21swapper/019:25:010
3351699230216,10cyclictest0-21swapper/019:25:000
3351699223203,10cyclictest0-21swapper/019:42:340
3351699223203,10cyclictest0-21swapper/019:42:340
3351699221195,22cyclictest0-21swapper/019:25:220
3351699221195,22cyclictest0-21swapper/019:25:220
3351699216202,9cyclictest0-21swapper/020:05:120
3351699216202,9cyclictest0-21swapper/020:05:120
3351699215197,12cyclictest0-21swapper/019:15:180
3351699215197,12cyclictest0-21swapper/019:15:180
3351699213201,7cyclictest37257-21qemu-system-x8620:01:060
3351699213201,7cyclictest37257-21qemu-system-x8620:01:060
3351699208193,13cyclictest0-21swapper/019:48:310
3351699208193,13cyclictest0-21swapper/019:48:300
3355999207202,4cyclictest0-21swapper/3621:57:2830
3355999207202,4cyclictest0-21swapper/3621:57:2830
3355999206198,6cyclictest0-21swapper/3623:00:4530
3355999206198,6cyclictest0-21swapper/3623:00:4530
3355999205197,6cyclictest0-21swapper/3621:37:0830
3355999205197,6cyclictest0-21swapper/3621:37:0830
3356299203167,27cyclictest0-21swapper/3921:46:1833
3356299203167,27cyclictest0-21swapper/3921:46:1833
3356299203167,27cyclictest0-21swapper/3921:46:1833
3355999202193,5cyclictest3543-21CPU30
3355999202193,5cyclictest3543-21CPU30
3355999198192,4cyclictest0-21swapper/3622:23:3630
3355999198192,4cyclictest0-21swapper/3622:23:3630
3351699198177,10cyclictest0-21swapper/019:52:370
3351699198177,10cyclictest0-21swapper/019:52:370
3351699192183,7cyclictest0-21swapper/019:35:420
3351699192183,7cyclictest0-21swapper/019:35:420
3351699192172,13cyclictest3546-21CPU0
3351699192172,13cyclictest3546-21CPU0
3354599190175,13cyclictest0-21swapper/2621:33:3719
3354599190175,13cyclictest0-21swapper/2621:33:3719
335239919018,162cyclictest0-21swapper/619:20:1836
335239919018,162cyclictest0-21swapper/619:20:1736
3351699190183,4cyclictest0-21swapper/020:20:310
3351699190183,4cyclictest0-21swapper/020:20:310
3355999189178,8cyclictest0-21swapper/3622:00:2930
3355999189178,8cyclictest0-21swapper/3622:00:2830
3355999189178,8cyclictest0-21swapper/3622:00:2830
3355999188180,6cyclictest0-21swapper/3622:32:0130
3355999188180,6cyclictest0-21swapper/3622:32:0130
3355999188159,20cyclictest0-21swapper/3621:15:0030
3355999188159,20cyclictest0-21swapper/3621:15:0030
3354699187101,54cyclictest3655-21lxd20:05:0420
3354699187101,54cyclictest3655-21lxd20:05:0420
3351699187175,9cyclictest0-21swapper/020:10:130
3351699187175,9cyclictest0-21swapper/020:10:130
3353299185105,64cyclictest4407-21CPU6
3353299185105,64cyclictest4407-21CPU6
3353299185105,64cyclictest4407-21CPU6
3355999183175,7cyclictest0-21swapper/3621:53:2630
3355999183175,7cyclictest0-21swapper/3621:53:2630
3355999183175,7cyclictest0-21swapper/3621:53:2630
3355999182160,6cyclictest0-21swapper/3622:35:2630
3355999182160,6cyclictest0-21swapper/3622:35:2530
3355999182160,6cyclictest0-21swapper/3622:35:2530
3355999181150,17cyclictest0-21swapper/3622:45:3830
3355999181150,17cyclictest0-21swapper/3622:45:3830
3355999181150,17cyclictest0-21swapper/3622:45:3730
3354599181102,59cyclictest3548-21CPU19
3354599181102,59cyclictest3548-21CPU19
3351699181174,5cyclictest0-21swapper/019:10:260
3351699181174,5cyclictest0-21swapper/019:10:260
3356099180152,9cyclictest0-21swapper/3719:20:1031
3356099180152,9cyclictest0-21swapper/3719:20:1031
3352699180146,32cyclictest0-21swapper/919:20:2439
3352699180146,32cyclictest0-21swapper/919:20:2439
3355999179158,16cyclictest0-21swapper/3621:20:4130
3355999179158,16cyclictest0-21swapper/3621:20:4130
3355999179155,18cyclictest0-21swapper/3623:21:4130
3355999179155,18cyclictest0-21swapper/3623:21:4130
3353299179127,41cyclictest0-21swapper/1423:56:336
3353299179127,41cyclictest0-21swapper/1423:56:336
3353299179127,41cyclictest0-21swapper/1423:56:336
3356299178145,28cyclictest0-21swapper/3921:00:3633
3356299178145,28cyclictest0-21swapper/3921:00:3533
3351699178163,12cyclictest0-21swapper/019:57:070
3351699178163,12cyclictest0-21swapper/019:57:070
3354599177146,6cyclictest0-21swapper/2623:17:0319
3354599177146,6cyclictest0-21swapper/2623:17:0319
3354599177146,6cyclictest0-21swapper/2623:17:0319
3352499177155,7cyclictest0-21swapper/723:11:3537
3352499177155,7cyclictest0-21swapper/723:11:3537
3354699176110,51cyclictest0-21swapper/2722:11:1320
3354699176110,51cyclictest0-21swapper/2722:11:1320
3351699176145,23cyclictest5680-21cstates20:15:150
3351699176145,23cyclictest5680-21cstates20:15:150
3355999175160,8cyclictest0-21swapper/3622:27:0330
3355999175160,8cyclictest0-21swapper/3622:27:0330
3355999175153,4cyclictest0-21swapper/3623:14:5330
3355999175153,4cyclictest0-21swapper/3623:14:5230
3355999175147,16cyclictest0-21swapper/3622:42:5630
3355999175147,16cyclictest0-21swapper/3622:42:5630
3352699175128,13cyclictest171rcu_preempt22:49:2239
3352699175128,13cyclictest171rcu_preempt22:49:2239
3352699175128,13cyclictest171rcu_preempt22:49:2239
3353799173150,11cyclictest0-21swapper/1822:39:0810
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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