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2026-08-01 - 12:56
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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 Aug 01, 2026 01:01:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2165499198187,9cyclictest0-21swapper/2723:20:1220
2165499198187,9cyclictest0-21swapper/2723:20:1220
2165499198187,9cyclictest0-21swapper/2723:20:1120
2166399196187,6cyclictest0-21swapper/3521:10:0529
2166399196187,6cyclictest0-21swapper/3521:10:0529
2165599195158,29cyclictest0-21swapper/2821:42:1021
2165599195158,29cyclictest0-21swapper/2821:42:0921
2163999194173,19cyclictest0-21swapper/1621:19:298
2163999194173,19cyclictest0-21swapper/1621:19:298
2162299193182,9cyclictest0-21swapper/119:40:471
2162299193182,9cyclictest0-21swapper/119:40:461
2165499191105,81cyclictest3544-21CPU20
2165499191105,81cyclictest3544-21CPU20
2164999190165,8cyclictest0-21swapper/2421:33:3117
2164999190165,8cyclictest0-21swapper/2421:33:3017
2163599190144,41cyclictest37269-21CPU4
2163599190144,41cyclictest37269-21CPU4
2165499188168,15cyclictest4407-21CPU20
2165499188168,15cyclictest4407-21CPU20
2165799186141,35cyclictest0-21swapper/3021:29:5624
2165799186141,35cyclictest0-21swapper/3021:29:5524
2164999186178,7cyclictest0-21swapper/2423:24:5417
2164999186178,7cyclictest0-21swapper/2423:24:5417
2164999186178,7cyclictest0-21swapper/2423:24:5417
216459918655,125cyclictest0-21swapper/2121:05:1314
216459918655,125cyclictest0-21swapper/2121:05:1314
2163799186175,5cyclictest2461-21CPU6
2163799186175,5cyclictest2461-21CPU6
21657991841,179cyclictest0-21swapper/3000:10:1024
21657991841,179cyclictest0-21swapper/3000:10:1024
2162399184172,9cyclictest0-21swapper/222:03:3012
2162399184172,9cyclictest0-21swapper/222:03:3012
2164999183174,8cyclictest0-21swapper/2422:52:4017
2164999183174,8cyclictest0-21swapper/2422:52:4017
2164999183174,8cyclictest0-21swapper/2422:52:4017
21626991831,58cyclictest0-21swapper/421:10:1834
21626991831,58cyclictest0-21swapper/421:10:1734
21626991831,58cyclictest0-21swapper/421:10:1734
2162399183170,12cyclictest0-21swapper/222:46:4612
2162399183170,12cyclictest0-21swapper/222:46:4612
2165499182170,11cyclictest0-21swapper/2720:25:0020
2165499182133,33cyclictest0-21swapper/2721:54:4420
2165499182133,33cyclictest0-21swapper/2721:54:4320
2163799182175,5cyclictest0-21swapper/1423:05:096
2163799182175,5cyclictest0-21swapper/1423:05:096
2163799182171,9cyclictest0-21swapper/1421:13:566
2163799182171,9cyclictest0-21swapper/1421:13:566
2163799182171,9cyclictest0-21swapper/1421:13:566
2163399182173,6cyclictest0-21swapper/1022:45:352
2163399182173,6cyclictest0-21swapper/1022:45:352
21626991822,170cyclictest2461-21CPU34
21626991822,170cyclictest2461-21CPU34
2162599182139,33cyclictest3609-21CPU23
2162599182139,33cyclictest3609-21CPU23
2165799181136,41cyclictest2466-21CPU24
2165799181136,41cyclictest2466-21CPU24
2165499181172,7cyclictest0-21swapper/2722:58:4320
2165499181172,7cyclictest0-21swapper/2722:58:4320
2165499181152,11cyclictest0-21swapper/2700:15:4620
2165499181152,11cyclictest0-21swapper/2700:15:4620
2163999181173,6cyclictest0-21swapper/1621:46:488
2163999181173,6cyclictest0-21swapper/1621:46:478
2163799181161,17cyclictest0-21swapper/1421:23:116
2163799181161,17cyclictest0-21swapper/1421:23:116
2163099181150,28cyclictest4408-21CPU37
2163099181150,28cyclictest4408-21CPU37
2163099181150,28cyclictest4408-21CPU37
2163099181125,47cyclictest0-21swapper/723:37:0737
2163099181125,47cyclictest0-21swapper/723:37:0737
2165799180143,32cyclictest0-21swapper/3022:39:4524
2165799180143,32cyclictest0-21swapper/3022:39:4424
2165799180122,54cyclictest0-21swapper/3023:50:2724
2165799180122,54cyclictest0-21swapper/3023:50:2724
2164999180161,17cyclictest0-21swapper/2400:00:5017
2164999180161,17cyclictest0-21swapper/2400:00:5017
2164599180164,14cyclictest0-21swapper/2121:42:2914
2164599180164,14cyclictest0-21swapper/2121:42:2914
2164599180162,16cyclictest0-21swapper/2121:25:2714
2164599180162,16cyclictest0-21swapper/2121:25:2714
2163799180161,10cyclictest0-21swapper/1420:21:006
2163399180156,14cyclictest0-21swapper/1020:05:052
2163399180156,14cyclictest0-21swapper/1020:05:052
2164999179175,2cyclictest0-21swapper/2422:04:0717
2164999179175,2cyclictest0-21swapper/2422:04:0717
216459917958,112cyclictest0-21swapper/2122:11:4014
216459917958,112cyclictest0-21swapper/2122:11:4014
2164599179155,15cyclictest0-21swapper/2121:52:4014
2164599179155,15cyclictest0-21swapper/2121:52:3914
2164599179153,19cyclictest0-21swapper/2100:39:0014
2164599179153,19cyclictest0-21swapper/2100:38:5914
2165799178127,46cyclictest0-21swapper/3021:33:4024
2165799178127,46cyclictest0-21swapper/3021:33:3924
2163399178165,6cyclictest0-21swapper/1000:29:022
2163399178165,6cyclictest0-21swapper/1000:29:022
2163099178139,32cyclictest12162-21sshd22:54:1937
2163099178139,32cyclictest12162-21sshd22:54:1837
2163099178139,32cyclictest12162-21sshd22:54:1837
2163099178126,42cyclictest37269-21CPU37
2163099178126,42cyclictest37269-21CPU37
2162399178161,14cyclictest0-21swapper/223:48:1312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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