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2026-04-13 - 23:15
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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 Mon Apr 13, 2026 13:02:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1988699204198,4cyclictest0-21swapper/2011:38:1813
1988699204198,4cyclictest0-21swapper/2011:38:1713
1988699204198,4cyclictest0-21swapper/2011:38:1713
1988699204198,4cyclictest0-21swapper/2009:25:0213
1988699204198,4cyclictest0-21swapper/2009:25:0213
1988699204198,4cyclictest0-21swapper/2009:25:0213
1988699204196,5cyclictest31059-21fschecks_time09:10:1813
1988699204196,5cyclictest31059-21fschecks_time09:10:1713
1988699204195,5cyclictest3542-21CPU13
1988699204195,5cyclictest3542-21CPU13
1989099203198,3cyclictest1044-21sshd09:31:5016
1989099203198,3cyclictest1044-21sshd09:31:5016
1988699201195,4cyclictest3600-21qemu-system-x8611:43:0813
1988699201195,4cyclictest3600-21qemu-system-x8611:43:0813
1988699200192,6cyclictest1367-21dbus-daemon11:51:3313
1988699200192,6cyclictest1367-21dbus-daemon11:51:3313
1988699200192,6cyclictest1367-21dbus-daemon11:51:3213
1989099198193,4cyclictest0-21swapper/2309:29:3816
1989099198193,4cyclictest0-21swapper/2309:29:3816
1989099198191,4cyclictest17714-21sshd09:40:2316
1989099198191,4cyclictest17714-21sshd09:40:2316
1989099198191,4cyclictest17714-21sshd09:40:2316
1988699197191,4cyclictest0-21swapper/2011:32:1613
1988699197191,4cyclictest0-21swapper/2011:32:1613
1988899196186,8cyclictest0-21swapper/2111:57:2714
1988899196186,8cyclictest0-21swapper/2111:57:2714
1989099194189,4cyclictest0-21swapper/2309:35:1516
1989099194189,4cyclictest0-21swapper/2309:35:1416
1988699194189,4cyclictest0-21swapper/2011:25:0013
1988699194189,4cyclictest0-21swapper/2011:25:0013
1988699194189,4cyclictest0-21swapper/2011:25:0013
1988699194186,4cyclictest37358-21CPU13
1988699194186,4cyclictest37358-21CPU13
1988699194186,4cyclictest37358-21CPU13
1988699194185,7cyclictest0-21swapper/2007:25:1613
1988699193186,5cyclictest0-21swapper/2008:11:2913
1988699193186,5cyclictest0-21swapper/2008:11:2913
1988699192186,4cyclictest0-21swapper/2009:16:5913
1988699192186,4cyclictest0-21swapper/2009:16:5813
1988699190184,4cyclictest0-21swapper/2012:20:4613
1988699190184,4cyclictest0-21swapper/2012:20:4613
1988699190184,4cyclictest0-21swapper/2012:20:4513
1988699190183,5cyclictest755-21systemd-journal12:15:2113
1988699190183,5cyclictest755-21systemd-journal12:15:2113
1988699190183,3cyclictest4407-21CPU13
1988699190183,3cyclictest4407-21CPU13
1988699190178,9cyclictest3535-21qemu-system-x8610:56:1513
1988699190178,9cyclictest3535-21qemu-system-x8610:56:1513
1988699189184,4cyclictest0-21swapper/2012:01:5513
1988699189184,4cyclictest0-21swapper/2012:01:5513
1988699189175,8cyclictest0-21swapper/2010:49:5713
1988699189175,8cyclictest0-21swapper/2010:49:5713
1990699188173,11cyclictest3542-21CPU31
1990699188173,11cyclictest3542-21CPU31
1988699188179,7cyclictest0-21swapper/2011:25:2713
1988699188179,7cyclictest0-21swapper/2011:25:2613
1988699188179,7cyclictest0-21swapper/2011:25:2613
1988699188179,5cyclictest37269-21CPU13
1988699188179,5cyclictest37269-21CPU13
1988699188173,13cyclictest0-21swapper/2009:05:3013
1988699188173,13cyclictest0-21swapper/2009:05:3013
1988899187115,55cyclictest2454-21CPU14
1988899187115,55cyclictest2454-21CPU14
1988699187182,4cyclictest0-21swapper/2007:41:1513
1988699187182,4cyclictest0-21swapper/2007:41:1513
1990299186182,2cyclictest0-21swapper/3312:30:1527
1990299186182,2cyclictest0-21swapper/3312:30:1527
1990299186182,2cyclictest0-21swapper/3312:30:1527
1988699186182,3cyclictest0-21swapper/2007:19:1013
1988699186182,3cyclictest0-21swapper/2007:19:0913
1988699186179,2cyclictest0-21swapper/2007:55:1113
1988699186179,2cyclictest0-21swapper/2007:55:1113
1990899185156,11cyclictest171rcu_preempt09:58:5833
1990899185156,11cyclictest171rcu_preempt09:58:5833
1988899185177,7cyclictest0-21swapper/2108:26:4914
1989799184175,6cyclictest0-21swapper/2911:44:3722
1989799184175,6cyclictest0-21swapper/2911:44:3722
198949918489,79cyclictest4408-21CPU20
198949918489,79cyclictest4408-21CPU20
1988699184177,5cyclictest3535-21qemu-system-x8607:46:0813
1988699184177,5cyclictest3535-21qemu-system-x8607:46:0713
1990699183173,8cyclictest0-21swapper/3709:13:5731
1990699183173,8cyclictest0-21swapper/3709:13:5731
1989099183107,46cyclictest0-21swapper/2310:16:2816
1989099183107,46cyclictest0-21swapper/2310:16:2716
1988699183177,4cyclictest0-21swapper/2011:59:5713
1988699183177,4cyclictest0-21swapper/2011:59:5713
1988699183177,4cyclictest0-21swapper/2007:14:2213
1988699183177,4cyclictest0-21swapper/2007:14:2213
1986799183163,18cyclictest0-21swapper/412:25:4034
1986799183163,18cyclictest0-21swapper/412:25:4034
1986799183163,18cyclictest0-21swapper/412:25:3934
1989699182178,2cyclictest0-21swapper/2810:15:2121
1989699182178,2cyclictest0-21swapper/2810:15:2021
1989499182164,16cyclictest0-21swapper/2712:34:1420
1989499182164,16cyclictest0-21swapper/2712:34:1420
1989499182164,16cyclictest0-21swapper/2712:34:1320
1988899182170,11cyclictest0-21swapper/2108:35:2614
1988899182170,11cyclictest0-21swapper/2108:35:2614
1988899182132,42cyclictest0-21swapper/2112:24:5114
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