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2026-06-09 - 13:41
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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 Tue Jun 09, 2026 01:00:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
418499233226,4cyclictest21860-21kworker/u81:4+events_unbound00:05:1336
418499233226,4cyclictest21860-21kworker/u81:4+events_unbound00:05:1336
419499204195,5cyclictest2454-21CPU5
419499204195,5cyclictest2454-21CPU5
420299203191,9cyclictest0-21swapper/2020:06:5513
4190991982,3cyclictest3541-21CPU39
4190991982,3cyclictest3541-21CPU39
420299195191,2cyclictest0-21swapper/2021:25:0113
420299195191,2cyclictest0-21swapper/2021:25:0013
421699194183,9cyclictest0-21swapper/3221:50:1626
421699194183,9cyclictest0-21swapper/3221:50:1626
420299194122,68cyclictest2447-21CPU13
420299194122,68cyclictest2447-21CPU13
422199193186,5cyclictest0-21swapper/3720:28:3931
422199193186,5cyclictest0-21swapper/3720:28:3931
421699193185,6cyclictest0-21swapper/3221:00:0126
421699193185,6cyclictest0-21swapper/3221:00:0126
420299193188,3cyclictest27702-21sshd00:05:1313
420299193188,3cyclictest27702-21sshd00:05:1213
420299193186,5cyclictest0-21swapper/2000:00:1713
420299193186,5cyclictest0-21swapper/2000:00:1713
421299192178,12cyclictest0-21swapper/2822:26:0121
421299192178,12cyclictest0-21swapper/2822:26:0121
421299192178,12cyclictest0-21swapper/2822:26:0121
419499191172,9cyclictest3547-21CPU5
419499191172,9cyclictest3547-21CPU5
418299191178,12cyclictest0-21swapper/420:30:0634
418299191178,12cyclictest0-21swapper/420:30:0634
421699190185,4cyclictest0-21swapper/3221:48:2126
421699190185,4cyclictest0-21swapper/3221:48:2026
421699189182,5cyclictest0-21swapper/3219:20:4826
421699189182,5cyclictest0-21swapper/3219:20:4826
419499189183,4cyclictest0-21swapper/1319:25:365
419499189183,4cyclictest0-21swapper/1319:25:355
421699188182,4cyclictest0-21swapper/3200:18:4826
421699188182,4cyclictest0-21swapper/3200:18:4826
419499188181,5cyclictest0-21swapper/1320:20:005
419499188181,5cyclictest0-21swapper/1320:19:595
418299188170,16cyclictest0-21swapper/419:15:0134
418299188170,16cyclictest0-21swapper/419:15:0134
421699187182,4cyclictest0-21swapper/3222:26:5426
421699187182,4cyclictest0-21swapper/3222:26:5426
421699187182,4cyclictest0-21swapper/3222:26:5426
421699187181,4cyclictest0-21swapper/3221:10:1726
421699187181,4cyclictest0-21swapper/3221:10:1726
420299187181,4cyclictest0-21swapper/2021:34:4913
420299187181,4cyclictest0-21swapper/2021:34:4813
418699186155,23cyclictest2454-21CPU37
418699186155,23cyclictest2454-21CPU37
418299186181,4cyclictest0-21swapper/422:00:0134
418299186181,4cyclictest0-21swapper/422:00:0034
422199185140,29cyclictest0-21swapper/3723:50:4631
422199185140,29cyclictest0-21swapper/3723:50:4631
421699184179,4cyclictest0-21swapper/3223:17:3426
421699184179,4cyclictest0-21swapper/3223:17:3426
421699184178,4cyclictest1367-21dbus-daemon21:57:3926
421699184178,4cyclictest1367-21dbus-daemon21:57:3926
421699184177,5cyclictest0-21swapper/3223:05:2726
421699184177,5cyclictest0-21swapper/3223:05:2726
420299184107,64cyclictest37265-21CPU13
421699183174,6cyclictest0-21swapper/3223:49:0926
421699183174,6cyclictest0-21swapper/3223:49:0926
421299183177,4cyclictest0-21swapper/2820:35:2021
421299183177,4cyclictest0-21swapper/2820:35:2021
419499183176,5cyclictest0-21swapper/1322:37:355
419499183176,5cyclictest0-21swapper/1322:37:355
421699182175,5cyclictest0-21swapper/3223:40:1726
421699182175,5cyclictest0-21swapper/3223:40:1726
421299182172,2cyclictest0-21swapper/2822:52:0421
421299182172,2cyclictest0-21swapper/2822:52:0421
421299182172,2cyclictest0-21swapper/2822:52:0421
420299182172,8cyclictest0-21swapper/2023:50:2813
420299182172,8cyclictest0-21swapper/2023:50:2813
421699181173,7cyclictest0-21swapper/3223:00:0726
421699181173,7cyclictest0-21swapper/3223:00:0726
421299181176,3cyclictest0-21swapper/2821:15:0521
421299181176,3cyclictest0-21swapper/2821:15:0521
420299181176,4cyclictest0-21swapper/2021:38:2013
420299181176,4cyclictest0-21swapper/2021:38:2013
419499181172,7cyclictest0-21swapper/1300:38:225
419499181172,7cyclictest0-21swapper/1300:38:225
419499181172,7cyclictest0-21swapper/1300:38:225
418299180177,2cyclictest0-21swapper/423:08:3634
418299180177,2cyclictest0-21swapper/423:08:3634
421699179173,4cyclictest0-21swapper/3200:13:4726
421699179173,4cyclictest0-21swapper/3200:13:4726
421299179173,4cyclictest0-21swapper/2823:11:0721
421299179173,4cyclictest0-21swapper/2823:11:0721
420299179171,6cyclictest0-21swapper/2021:25:2913
420299179171,6cyclictest0-21swapper/2021:25:2913
419499179170,7cyclictest0-21swapper/1300:19:085
419499179170,7cyclictest0-21swapper/1300:19:085
418199179149,23cyclictest0-21swapper/321:54:5323
418199179149,23cyclictest0-21swapper/321:54:5223
421299178174,3cyclictest0-21swapper/2822:46:4721
421299178174,3cyclictest0-21swapper/2822:46:4721
421299178173,4cyclictest0-21swapper/2820:26:2721
421299178173,4cyclictest0-21swapper/2820:26:2721
421299178169,7cyclictest0-21swapper/2800:25:1121
421299178169,7cyclictest0-21swapper/2800:25:1021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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