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2026-01-10 - 23:36
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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 Sat Jan 10, 2026 13:01:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1398899206199,5cyclictest0-21swapper/3511:55:5929
1398899206199,5cyclictest0-21swapper/3511:55:5929
1398899206199,5cyclictest0-21swapper/3511:55:5829
1399199203199,2cyclictest0-21swapper/3809:36:0632
1399199203199,2cyclictest0-21swapper/3809:36:0632
1399199203199,2cyclictest0-21swapper/3809:36:0532
1396299198181,15cyclictest0-21swapper/912:30:1639
1396299198181,15cyclictest0-21swapper/912:30:1639
1398799195189,3cyclictest0-21swapper/3411:03:3228
1398799195189,3cyclictest0-21swapper/3411:03:3228
1398799195189,3cyclictest0-21swapper/3411:03:3228
1399199194183,9cyclictest0-21swapper/3809:58:2432
1399199194183,9cyclictest0-21swapper/3809:58:2432
1399199194183,9cyclictest0-21swapper/3809:58:2432
1399199193181,10cyclictest0-21swapper/3811:37:2332
1399199193181,10cyclictest0-21swapper/3811:37:2332
1399199193181,10cyclictest0-21swapper/3811:37:2332
1399099193188,4cyclictest0-21swapper/3710:09:3831
1399099193188,4cyclictest0-21swapper/3710:09:3831
1399099193188,4cyclictest0-21swapper/3710:09:3731
1399099193188,3cyclictest7374-21sshd09:36:3731
1399099193188,3cyclictest7374-21sshd09:36:3631
1399099193188,3cyclictest7374-21sshd09:36:3631
1396299192184,6cyclictest0-21swapper/911:06:3339
1396299192184,6cyclictest0-21swapper/911:06:3339
1399099191185,4cyclictest0-21swapper/3711:36:1231
1399099191185,4cyclictest0-21swapper/3711:36:1231
1399099191185,4cyclictest0-21swapper/3711:36:1231
1396299190184,4cyclictest0-21swapper/910:17:2839
1396299190184,4cyclictest0-21swapper/910:17:2839
1396299190184,4cyclictest0-21swapper/910:17:2839
1399099189186,2cyclictest0-21swapper/3712:17:1831
1399099189186,2cyclictest0-21swapper/3712:17:1831
1399099189186,2cyclictest0-21swapper/3712:17:1731
1398899188181,5cyclictest0-21swapper/3512:00:1729
1398899188181,5cyclictest0-21swapper/3512:00:1729
1398899188181,5cyclictest0-21swapper/3512:00:1729
1398899188165,16cyclictest0-21swapper/3512:31:1829
1398899188165,16cyclictest0-21swapper/3512:31:1829
1396299188182,4cyclictest0-21swapper/907:23:0439
1396299188182,4cyclictest0-21swapper/907:23:0439
1396299187178,7cyclictest0-21swapper/910:43:3839
1396299187178,7cyclictest0-21swapper/910:43:3839
1396299187178,7cyclictest0-21swapper/910:43:3839
1399199184152,21cyclictest0-21swapper/3811:32:1932
1399199184152,21cyclictest0-21swapper/3811:32:1932
1399199184152,21cyclictest0-21swapper/3811:32:1932
1398199184178,4cyclictest0-21swapper/2810:08:4221
1398199184178,4cyclictest0-21swapper/2810:08:4221
1398199184178,4cyclictest0-21swapper/2810:08:4221
1399099183175,6cyclictest0-21swapper/3711:40:1531
1399099183175,6cyclictest0-21swapper/3711:40:1531
1399099183175,6cyclictest0-21swapper/3711:40:1531
1399099182176,5cyclictest0-21swapper/3707:50:3231
1399099182176,5cyclictest0-21swapper/3707:50:3231
1399099182175,5cyclictest755-21systemd-journal11:32:3131
1399099182175,5cyclictest755-21systemd-journal11:32:3131
1399099182175,5cyclictest755-21systemd-journal11:32:3131
1398899182174,6cyclictest0-21swapper/3509:16:0429
1398899182174,6cyclictest0-21swapper/3509:16:0429
1398899182147,18cyclictest0-21swapper/3509:53:4329
1398899182147,18cyclictest0-21swapper/3509:53:4329
1399199181174,4cyclictest0-21swapper/3807:13:3132
1399199181174,4cyclictest0-21swapper/3807:13:3032
1398899181127,36cyclictest3544-21CPU29
1398899181127,36cyclictest3544-21CPU29
1398199181175,4cyclictest0-21swapper/2811:33:5421
1398199181175,4cyclictest0-21swapper/2811:33:5421
1398199181175,4cyclictest0-21swapper/2811:33:5421
1399099180173,5cyclictest0-21swapper/3712:01:3031
1399099180173,5cyclictest0-21swapper/3712:01:3031
1399099180173,5cyclictest0-21swapper/3712:01:2931
1399099180167,6cyclictest171rcu_preempt09:47:5731
1399099180167,6cyclictest171rcu_preempt09:47:5631
1399099180167,6cyclictest171rcu_preempt09:47:5631
1398599180173,5cyclictest0-21swapper/3209:35:3426
1398599180173,5cyclictest0-21swapper/3209:35:3426
1398599180173,5cyclictest0-21swapper/3209:35:3326
1396699180174,4cyclictest0-21swapper/1311:03:325
1396699180174,4cyclictest0-21swapper/1311:03:325
1396699180174,4cyclictest0-21swapper/1311:03:325
1399099179175,2cyclictest0-21swapper/3711:21:2931
1399099179175,2cyclictest0-21swapper/3711:21:2931
1399099179172,5cyclictest30198-21sshd10:10:1031
1399099179172,5cyclictest30198-21sshd10:10:1031
1399099179172,5cyclictest30198-21sshd10:10:1031
1398999179109,67cyclictest0-21swapper/3611:16:4230
1398999179109,67cyclictest0-21swapper/3611:16:4130
1398999179109,67cyclictest0-21swapper/3611:16:4130
1398899179167,10cyclictest2454-21CPU29
1398899179167,10cyclictest2454-21CPU29
1398899179167,10cyclictest2454-21CPU29
1399199178164,12cyclictest0-21swapper/3807:15:1232
1399199178164,12cyclictest0-21swapper/3807:15:1232
1399099178174,3cyclictest0-21swapper/3712:14:5531
1399099178174,3cyclictest0-21swapper/3712:14:5431
1399099178174,3cyclictest0-21swapper/3712:14:5431
1399099178174,3cyclictest0-21swapper/3712:14:5431
1399099178173,4cyclictest0-21swapper/3709:18:2831
1399099178173,4cyclictest0-21swapper/3709:18:2831
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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