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2026-01-01 - 22:15
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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 Thu Jan 01, 2026 12:59:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1805099231226,3cyclictest0-21swapper/3312:00:1527
1805099231226,3cyclictest0-21swapper/3312:00:1527
1801599220214,4cyclictest0-21swapper/410:25:1534
1801599220214,4cyclictest0-21swapper/410:25:1534
1802999215212,2cyclictest0-21swapper/1512:00:187
1802999215212,2cyclictest0-21swapper/1512:00:187
1805199209205,2cyclictest0-21swapper/3412:35:1828
1805199209205,2cyclictest0-21swapper/3412:35:1828
1802199209165,41cyclictest3546-21CPU38
1802199209165,41cyclictest3546-21CPU38
1802199209165,41cyclictest3546-21CPU38
1801599208198,5cyclictest1360-21systemd-logind10:14:4034
1801599208198,5cyclictest1360-21systemd-logind10:14:4034
1801599208198,5cyclictest1360-21systemd-logind10:14:4034
1801599208191,10cyclictest0-21swapper/411:57:2834
1801599208191,10cyclictest0-21swapper/411:57:2834
1801599207201,3cyclictest1-21systemd10:05:1434
1801599207201,3cyclictest1-21systemd10:05:1434
1801599207199,6cyclictest0-21swapper/412:30:2334
1801599207199,6cyclictest0-21swapper/412:30:2334
1801599207199,6cyclictest0-21swapper/412:30:2334
1805299205187,6cyclictest0-21swapper/3510:38:3229
1805299205187,6cyclictest0-21swapper/3510:38:3229
1804799204198,3cyclictest0-21swapper/3012:00:1424
1804799204198,3cyclictest0-21swapper/3012:00:1424
1801599204196,6cyclictest0-21swapper/409:46:4434
1801599204196,6cyclictest0-21swapper/409:46:4434
1801599204196,6cyclictest0-21swapper/409:46:4434
18032992030,199cyclictest0-21swapper/1810:55:2910
18032992030,199cyclictest0-21swapper/1810:55:2910
1801599201193,5cyclictest26055-21systemd12:15:1134
1801599201193,5cyclictest26055-21systemd12:15:1134
1801599201193,5cyclictest26055-21systemd12:15:1134
1801599200192,6cyclictest0-21swapper/411:14:5834
1801599200192,6cyclictest0-21swapper/411:14:5834
1801599197193,2cyclictest0-21swapper/411:38:3334
1801599197193,2cyclictest0-21swapper/411:38:3334
1803599196192,2cyclictest0-21swapper/2012:35:2013
1803599196192,2cyclictest0-21swapper/2012:35:2013
1801599196189,4cyclictest26382-21sshd12:22:0034
1801599196189,4cyclictest26382-21sshd12:21:5934
18032991951,182cyclictest0-21swapper/1810:05:0310
18032991951,182cyclictest0-21swapper/1810:05:0310
1801599195190,2cyclictest0-21swapper/409:15:5334
1801599195190,2cyclictest0-21swapper/409:15:5334
1801599195189,4cyclictest0-21swapper/410:03:2534
1801599195189,4cyclictest0-21swapper/410:03:2534
1801599195187,6cyclictest0-21swapper/409:39:5134
1801599195187,6cyclictest0-21swapper/409:39:5134
1801599195184,9cyclictest0-21swapper/412:05:1834
1801599195184,9cyclictest0-21swapper/412:05:1834
1801599195184,7cyclictest0-21swapper/410:21:0134
1801599195184,7cyclictest0-21swapper/410:21:0034
1802199194186,6cyclictest0-21swapper/810:58:1338
1802199194186,6cyclictest0-21swapper/810:58:1338
1801599194187,5cyclictest0-21swapper/412:37:5034
1801599194187,5cyclictest0-21swapper/412:37:5034
1801599194187,5cyclictest0-21swapper/412:14:1134
1801599194187,5cyclictest0-21swapper/412:14:1134
1801599194187,5cyclictest0-21swapper/412:14:1134
1801599193186,5cyclictest0-21swapper/411:25:5134
1801599193186,5cyclictest0-21swapper/411:25:5134
1801599193186,5cyclictest0-21swapper/411:25:5134
1804699192184,6cyclictest0-21swapper/2909:54:0522
1804699192184,6cyclictest0-21swapper/2909:54:0522
1804699192184,6cyclictest0-21swapper/2909:54:0522
1801599192185,5cyclictest0-21swapper/412:00:1934
1801599192185,5cyclictest0-21swapper/412:00:1934
1801599192185,5cyclictest0-21swapper/411:15:2934
1801599192185,5cyclictest0-21swapper/411:15:2834
1801599192185,5cyclictest0-21swapper/410:45:5334
1801599192185,5cyclictest0-21swapper/410:45:5334
1801599192185,5cyclictest0-21swapper/410:45:5334
1801599192184,6cyclictest0-21swapper/410:32:0834
1801599192184,6cyclictest0-21swapper/410:32:0834
1802199191161,27cyclictest37267-21CPU38
1802199191161,27cyclictest37267-21CPU38
1801599191183,5cyclictest755-21systemd-journal09:50:2434
1801599191183,5cyclictest755-21systemd-journal09:50:2434
1801599191183,5cyclictest755-21systemd-journal09:50:2434
1801599190183,5cyclictest0-21swapper/411:53:0934
1801599190183,5cyclictest0-21swapper/411:53:0934
1801599190183,5cyclictest0-21swapper/409:55:1834
1801599190183,5cyclictest0-21swapper/409:55:1734
1801599190183,5cyclictest0-21swapper/409:55:1734
1805299189179,8cyclictest0-21swapper/3510:51:5329
1805299189179,8cyclictest0-21swapper/3510:51:5329
1802199189182,6cyclictest0-21swapper/810:53:5138
1802199189182,6cyclictest0-21swapper/810:53:5138
1801599189183,4cyclictest0-21swapper/409:25:2134
1801599189183,4cyclictest0-21swapper/409:25:2134
1801599189182,5cyclictest0-21swapper/408:54:5634
1801599189182,5cyclictest0-21swapper/408:54:5634
1801099189178,7cyclictest0-21swapper/010:58:130
1801099189178,7cyclictest0-21swapper/010:58:130
1805599188179,5cyclictest2447-21CPU32
1805599188179,5cyclictest2447-21CPU32
1804699188166,15cyclictest171rcu_preempt09:36:3122
1804699188166,15cyclictest171rcu_preempt09:36:3022
18031991882,4cyclictest37267-21CPU9
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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