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2026-03-27 - 18:47
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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 Fri Mar 27, 2026 13:02:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2798299211161,41cyclictest0-21swapper/2510:54:5818
2798299211161,41cyclictest0-21swapper/2510:54:5818
2798299211161,41cyclictest0-21swapper/2510:54:5718
2799099203197,4cyclictest1-21systemd11:25:2426
2799099203197,4cyclictest1-21systemd11:25:2426
2799099203197,4cyclictest1-21systemd11:25:2426
2796799200192,6cyclictest0-21swapper/1311:35:205
2796799200192,6cyclictest0-21swapper/1311:35:205
2796799200192,6cyclictest0-21swapper/1311:35:205
2799099198191,5cyclictest0-21swapper/3211:24:3426
2799099198191,5cyclictest0-21swapper/3211:24:3426
2799099197181,12cyclictest0-21swapper/3211:40:1726
2799099197181,12cyclictest0-21swapper/3211:40:1726
2799099194189,4cyclictest0-21swapper/3212:12:4526
2799099194189,4cyclictest0-21swapper/3212:12:4526
2799099194189,4cyclictest0-21swapper/3212:12:4526
2796799194189,4cyclictest0-21swapper/1311:27:575
2796799194189,4cyclictest0-21swapper/1311:27:575
2796799194189,4cyclictest0-21swapper/1311:27:575
2796799193185,5cyclictest1360-21systemd-logind09:14:205
2796799193185,5cyclictest1360-21systemd-logind09:14:205
2799099192186,5cyclictest0-21swapper/3212:19:3026
2799099192186,5cyclictest0-21swapper/3212:19:3026
2799099192186,5cyclictest0-21swapper/3212:19:2926
2799099192185,5cyclictest0-21swapper/3210:35:4326
2799099192185,5cyclictest0-21swapper/3210:35:4326
2799099192185,5cyclictest0-21swapper/3210:35:4226
2799099192182,8cyclictest0-21swapper/3208:20:2126
2799099192182,8cyclictest0-21swapper/3208:20:2126
2799099191179,10cyclictest0-21swapper/3212:32:2326
2799099191179,10cyclictest0-21swapper/3212:32:2226
2799099190185,3cyclictest36812-21uname11:45:2226
2799099190185,3cyclictest36812-21uname11:45:2226
2799099190148,39cyclictest37358-21CPU26
2799099190148,39cyclictest37358-21CPU26
2799099190148,39cyclictest37358-21CPU26
2796199189184,4cyclictest0-21swapper/810:42:5038
2796199189184,4cyclictest0-21swapper/810:42:5038
2799399188175,5cyclictest0-21swapper/3510:37:0129
2799399188175,5cyclictest0-21swapper/3510:37:0129
2799399188175,5cyclictest0-21swapper/3510:37:0029
2796799188185,2cyclictest0-21swapper/1309:15:165
2796799188185,2cyclictest0-21swapper/1309:15:165
2796799188178,7cyclictest0-21swapper/1311:32:465
2796799188178,7cyclictest0-21swapper/1311:32:455
2796199188180,6cyclictest37257-21qemu-system-x8610:50:5438
2796199188180,6cyclictest37257-21qemu-system-x8610:50:5438
2796199188180,6cyclictest37257-21qemu-system-x8610:50:5338
2799099187179,5cyclictest40660-21expr08:15:1426
2799099187179,5cyclictest40660-21expr08:15:1326
2798499187181,5cyclictest0-21swapper/2709:59:4320
2798499187181,5cyclictest0-21swapper/2709:59:4320
2796799187180,5cyclictest0-21swapper/1312:13:415
2796799187180,5cyclictest0-21swapper/1312:13:415
2796799187180,5cyclictest0-21swapper/1312:13:415
2799099186181,4cyclictest0-21swapper/3211:05:4726
2799099186181,4cyclictest0-21swapper/3211:05:4726
2799099186181,4cyclictest0-21swapper/3211:05:4626
2799099186179,5cyclictest0-21swapper/3210:20:2026
2799099186179,5cyclictest0-21swapper/3210:20:2026
2799099186179,3cyclictest3610-21CPU26
2799099185179,4cyclictest4919-21sshd12:00:2026
2799099185179,4cyclictest4919-21sshd12:00:2026
2799099185179,4cyclictest4919-21sshd12:00:2026
2799099185178,5cyclictest0-21swapper/3212:05:4426
2799099185178,5cyclictest0-21swapper/3212:05:4426
2798499185179,4cyclictest0-21swapper/2709:41:5720
2798499185179,4cyclictest0-21swapper/2709:41:5720
2798499185179,4cyclictest0-21swapper/2709:41:5720
2796999185177,6cyclictest0-21swapper/1510:15:137
2796999185177,6cyclictest0-21swapper/1510:15:137
2796999185177,6cyclictest0-21swapper/1510:15:137
2799099184179,4cyclictest0-21swapper/3210:32:5226
2799099184179,4cyclictest0-21swapper/3210:32:5226
2799099184179,4cyclictest0-21swapper/3210:32:5126
2799099184177,5cyclictest1360-21systemd-logind11:38:0626
2799099184177,5cyclictest1360-21systemd-logind11:38:0626
2799099184177,5cyclictest1360-21systemd-logind11:38:0626
2796799184180,2cyclictest0-21swapper/1311:23:235
2796799184180,2cyclictest0-21swapper/1311:23:235
2796799184179,4cyclictest0-21swapper/1309:23:515
2796799184179,4cyclictest0-21swapper/1309:23:515
2796799184179,4cyclictest0-21swapper/1309:23:515
2796199184180,2cyclictest0-21swapper/810:29:1638
2796199184180,2cyclictest0-21swapper/810:29:1638
2799099182176,4cyclictest0-21swapper/3211:20:0526
2799099182176,4cyclictest0-21swapper/3211:20:0526
2799099182176,4cyclictest0-21swapper/3211:20:0526
2798499182176,4cyclictest0-21swapper/2711:03:1420
2798499182176,4cyclictest0-21swapper/2711:03:1420
2798499182176,4cyclictest0-21swapper/2709:45:1220
2798499182176,4cyclictest0-21swapper/2709:45:1220
2798499182176,4cyclictest0-21swapper/2709:45:1120
2799099181176,4cyclictest0-21swapper/3211:03:0426
2799099181176,4cyclictest0-21swapper/3211:03:0426
2799099181175,4cyclictest17484-21nfsd07:50:0026
2799099181175,4cyclictest17484-21nfsd07:50:0026
2799099181173,5cyclictest35113-21hddtemp_smartct08:40:1826
2799099181173,5cyclictest35113-21hddtemp_smartct08:40:1826
2796999181175,4cyclictest0-21swapper/1510:02:317
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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