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2026-05-23 - 12:42
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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 May 23, 2026 01:02:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
845199219204,12cyclictest0-21swapper/1422:15:016
845199219204,12cyclictest0-21swapper/1422:15:016
845199207199,3cyclictest37351-21CPU6
845199207199,3cyclictest37351-21CPU6
845199207199,3cyclictest37351-21CPU6
846799206197,6cyclictest0-21swapper/2722:35:0120
846799206197,6cyclictest0-21swapper/2722:35:0120
846799206197,6cyclictest0-21swapper/2722:35:0120
845199204195,7cyclictest0-21swapper/1400:10:176
845199204195,7cyclictest0-21swapper/1400:10:176
845199204195,7cyclictest0-21swapper/1400:10:176
844799204185,16cyclictest0-21swapper/1021:36:102
844799204185,16cyclictest0-21swapper/1021:36:092
844799204185,16cyclictest0-21swapper/1021:36:092
846799202197,4cyclictest0-21swapper/2721:19:3320
846799202197,4cyclictest0-21swapper/2721:19:3220
845199202193,7cyclictest15754-21sshd00:01:116
845199202193,7cyclictest15754-21sshd00:01:116
845199201196,4cyclictest0-21swapper/1400:06:596
845199201196,4cyclictest0-21swapper/1400:06:596
845199201196,4cyclictest0-21swapper/1400:06:596
845199200192,6cyclictest0-21swapper/1400:37:206
845199200192,6cyclictest0-21swapper/1400:37:206
846799198192,4cyclictest0-21swapper/2722:39:1820
846799198192,4cyclictest0-21swapper/2722:39:1820
846799198192,4cyclictest0-21swapper/2700:28:3620
846799198192,4cyclictest0-21swapper/2700:28:3620
846799198190,5cyclictest14374-21sshd23:13:1620
846799198190,5cyclictest14374-21sshd23:13:1520
844799198193,4cyclictest0-21swapper/1021:34:012
844799198193,4cyclictest0-21swapper/1021:34:002
846799197190,5cyclictest0-21swapper/2720:00:0120
846799197190,5cyclictest0-21swapper/2720:00:0120
846799197189,6cyclictest0-21swapper/2720:00:2520
846799197189,6cyclictest0-21swapper/2720:00:2520
846799196187,7cyclictest0-21swapper/2723:50:3520
846799196187,7cyclictest0-21swapper/2723:50:3520
846799196187,7cyclictest0-21swapper/2723:50:3520
846799194186,6cyclictest0-21swapper/2723:30:2220
846799194186,6cyclictest0-21swapper/2723:30:2220
846799194186,6cyclictest0-21swapper/2723:30:2120
846799193187,4cyclictest0-21swapper/2723:22:1420
846799193187,4cyclictest0-21swapper/2723:22:1420
846799193187,4cyclictest0-21swapper/2723:22:1420
846799192184,5cyclictest3406-21sshd21:54:2620
846799192184,5cyclictest3406-21sshd21:54:2520
846799192184,5cyclictest3406-21sshd21:54:2520
846799191183,4cyclictest3543-21CPU20
846799191183,4cyclictest3543-21CPU20
845199191185,4cyclictest0-21swapper/1400:15:126
845199191185,4cyclictest0-21swapper/1400:15:126
846899190184,4cyclictest0-21swapper/2823:47:1521
846899190184,4cyclictest0-21swapper/2823:47:1521
846899190184,4cyclictest0-21swapper/2823:47:1521
845199190184,4cyclictest0-21swapper/1422:17:556
845199190184,4cyclictest0-21swapper/1422:17:556
845199189181,6cyclictest0-21swapper/1400:00:016
845199189181,6cyclictest0-21swapper/1400:00:016
845199189181,6cyclictest0-21swapper/1400:00:016
845199188182,4cyclictest0-21swapper/1400:34:026
845199188182,4cyclictest0-21swapper/1400:34:026
846799186183,2cyclictest0-21swapper/2723:57:0820
846799186183,2cyclictest0-21swapper/2723:57:0820
846799186183,2cyclictest0-21swapper/2723:57:0720
846799186179,4cyclictest0-21swapper/2722:42:0220
846799186179,4cyclictest0-21swapper/2722:42:0220
845199186177,7cyclictest0-21swapper/1423:51:406
845199186177,7cyclictest0-21swapper/1423:51:406
845199186177,7cyclictest0-21swapper/1423:51:406
845199186176,7cyclictest755-21systemd-journal23:24:586
845199186176,7cyclictest755-21systemd-journal23:24:586
845199186176,7cyclictest755-21systemd-journal23:24:586
846799185179,4cyclictest0-21swapper/2720:15:1120
846799185179,4cyclictest0-21swapper/2720:15:1120
846799185178,5cyclictest0-21swapper/2720:35:1720
846799185178,5cyclictest0-21swapper/2720:35:1720
846299185176,6cyclictest2327-21qemu-system-x8621:56:1417
846299185176,6cyclictest2327-21qemu-system-x8621:56:1317
846299185176,6cyclictest2327-21qemu-system-x8621:56:1317
845199185178,5cyclictest0-21swapper/1423:09:496
845199185178,5cyclictest0-21swapper/1423:09:496
845199185176,7cyclictest0-21swapper/1423:36:456
845199185176,7cyclictest0-21swapper/1423:36:456
846799184179,4cyclictest0-21swapper/2719:55:0120
846799184179,4cyclictest0-21swapper/2719:55:0120
846799184178,4cyclictest0-21swapper/2723:17:5920
846799184178,4cyclictest0-21swapper/2723:17:5920
846799184177,4cyclictest0-21swapper/2723:41:4620
846799184177,4cyclictest0-21swapper/2723:41:4620
846799183177,4cyclictest0-21swapper/2723:27:2420
846799183177,4cyclictest0-21swapper/2723:27:2420
844799183131,37cyclictest0-21swapper/1023:03:142
844799183131,37cyclictest0-21swapper/1023:03:142
846799182176,4cyclictest0-21swapper/2721:00:3020
846799182176,4cyclictest0-21swapper/2721:00:3020
846799182176,4cyclictest0-21swapper/2720:29:2820
846799182166,13cyclictest0-21swapper/2721:22:0720
846799182166,13cyclictest0-21swapper/2721:22:0720
845199181167,12cyclictest0-21swapper/1422:47:386
845199181167,12cyclictest0-21swapper/1422:47:386
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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