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2026-04-12 - 23:16
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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 Sun Apr 12, 2026 13:03:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2331099206199,5cyclictest0-21swapper/3309:40:2627
2331099206199,5cyclictest0-21swapper/3309:40:2627
2331099205199,4cyclictest0-21swapper/3309:37:2927
2331099205199,4cyclictest0-21swapper/3309:37:2927
2331099205199,4cyclictest0-21swapper/3309:37:2927
2331099203198,4cyclictest0-21swapper/3312:07:3627
2331099203198,4cyclictest0-21swapper/3312:07:3527
2331099203194,5cyclictest3544-21CPU27
2331099203194,5cyclictest3544-21CPU27
2331099203194,5cyclictest3544-21CPU27
2331099203194,5cyclictest3544-21CPU27
2327999203192,9cyclictest0-21swapper/510:25:0335
2327999203192,9cyclictest0-21swapper/510:25:0335
2331099199191,6cyclictest0-21swapper/3308:25:2227
2331099198188,3cyclictest0-21swapper/3311:05:1227
2331099198188,3cyclictest0-21swapper/3311:05:1227
2331099198188,3cyclictest0-21swapper/3311:05:1227
2331099196190,4cyclictest31552-21sshd10:06:1127
2331099196190,4cyclictest31552-21sshd10:06:1127
2331099196190,4cyclictest31552-21sshd10:06:1127
2331099193174,11cyclictest0-21swapper/3312:35:1727
2331099193174,11cyclictest0-21swapper/3312:35:1627
2331099192168,17cyclictest0-21swapper/3312:04:1527
2331099192168,17cyclictest0-21swapper/3312:04:1527
2331099192168,17cyclictest0-21swapper/3312:04:1427
2331099191175,12cyclictest0-21swapper/3311:49:2227
2331099191175,12cyclictest0-21swapper/3311:49:2227
2331099191175,12cyclictest0-21swapper/3311:49:2127
2331099191164,16cyclictest0-21swapper/3310:40:1827
2331099191164,16cyclictest0-21swapper/3310:40:1827
2331099191164,16cyclictest0-21swapper/3310:40:1727
2331099190182,6cyclictest0-21swapper/3309:15:5727
2331099190182,6cyclictest0-21swapper/3309:15:5727
2331099190182,6cyclictest0-21swapper/3309:15:5627
2331099190173,10cyclictest0-21swapper/3312:34:1827
2331099190173,10cyclictest0-21swapper/3312:34:1727
2331099190170,14cyclictest0-21swapper/3311:11:3427
2331099190170,14cyclictest0-21swapper/3311:11:3327
2331099190170,14cyclictest0-21swapper/3311:11:3327
2329099190179,8cyclictest0-21swapper/1509:29:297
2329099190179,8cyclictest0-21swapper/1509:29:297
2329099190179,8cyclictest0-21swapper/1509:29:297
2327999190159,13cyclictest0-21swapper/511:05:2635
2327999190159,13cyclictest0-21swapper/511:05:2635
2327999190159,13cyclictest0-21swapper/511:05:2635
2331099188170,11cyclictest0-21swapper/3309:34:4027
2331099188170,11cyclictest0-21swapper/3309:34:4027
2331099188170,11cyclictest0-21swapper/3309:34:4027
2328799188154,22cyclictest3600-21qemu-system-x8612:35:295
2328799188154,22cyclictest3600-21qemu-system-x8612:35:285
2328199188164,13cyclictest0-21swapper/711:38:3437
2328199188164,13cyclictest0-21swapper/711:38:3437
2331099187153,22cyclictest755-21systemd-journal09:49:4327
2331099187153,22cyclictest755-21systemd-journal09:49:4327
2331099187153,22cyclictest755-21systemd-journal09:49:4227
2331199186179,5cyclictest0-21swapper/3410:18:5428
2331199186179,5cyclictest0-21swapper/3410:18:5328
2331199186179,5cyclictest0-21swapper/3410:18:5328
2331099185180,4cyclictest0-21swapper/3310:10:5127
2331099185180,4cyclictest0-21swapper/3310:10:5027
2331099185180,4cyclictest0-21swapper/3310:10:5027
2331099185176,7cyclictest25821-21sshd12:16:0127
2331099185176,7cyclictest25821-21sshd12:16:0127
2331099185176,7cyclictest25821-21sshd12:16:0027
2331099185175,8cyclictest0-21swapper/3309:12:4027
2331099185175,8cyclictest0-21swapper/3309:12:4027
2331099185175,8cyclictest0-21swapper/3309:12:3927
2331099185174,9cyclictest0-21swapper/3308:20:1127
2331099185174,9cyclictest0-21swapper/3308:20:1127
2331099185174,9cyclictest0-21swapper/3308:20:1127
2331099185170,12cyclictest0-21swapper/3312:20:2527
2331099185170,12cyclictest0-21swapper/3312:20:2427
2328199185168,13cyclictest0-21swapper/709:47:1937
2328199185168,13cyclictest0-21swapper/709:47:1837
2328199185168,13cyclictest0-21swapper/709:47:1837
2331099184176,6cyclictest0-21swapper/3309:55:2127
2331099184176,6cyclictest0-21swapper/3309:55:2127
2331099184176,6cyclictest0-21swapper/3309:55:2027
2331099184170,9cyclictest0-21swapper/3309:50:5827
2331099184170,9cyclictest0-21swapper/3309:50:5727
2331099184169,8cyclictest0-21swapper/3310:16:3227
2331099184169,8cyclictest0-21swapper/3310:16:3227
2331099184169,8cyclictest0-21swapper/3310:16:3127
2331099184166,12cyclictest0-21swapper/3311:40:0227
2331099184166,12cyclictest0-21swapper/3311:40:0127
233079918452,42cyclictest0-21swapper/3008:30:0024
2327199183174,7cyclictest0-21swapper/012:02:240
2327199183174,7cyclictest0-21swapper/012:02:240
2327199183174,7cyclictest0-21swapper/012:02:230
2331199182167,10cyclictest0-21swapper/3408:10:0028
2331199182167,10cyclictest0-21swapper/3408:10:0028
2331099182169,11cyclictest0-21swapper/3311:32:2427
2331099182169,11cyclictest0-21swapper/3311:32:2427
2331099182169,11cyclictest0-21swapper/3311:32:2427
2331099182168,10cyclictest0-21swapper/3310:55:2427
2331099182168,10cyclictest0-21swapper/3310:55:2427
2327199181174,5cyclictest755-21systemd-journal10:44:330
2327199181174,5cyclictest755-21systemd-journal10:44:320
2327199181174,5cyclictest755-21systemd-journal10:44:320
2331099180169,7cyclictest0-21swapper/3310:29:4927
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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