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2026-08-10 - 14:22
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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 Aug 10, 2026 13:02:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272579926099,157cyclictest0-21swapper/209:03:1812
272579926099,157cyclictest0-21swapper/209:03:1812
2727099211204,5cyclictest0-21swapper/1310:40:135
2727099211204,5cyclictest0-21swapper/1310:40:135
2727999203197,3cyclictest20371-21sshd11:10:4215
2727999203197,3cyclictest20371-21sshd11:10:4215
2728999202194,6cyclictest0-21swapper/2911:57:3722
2728999202194,6cyclictest0-21swapper/2911:57:3722
2727099202198,2cyclictest0-21swapper/1310:20:005
2727099202198,2cyclictest0-21swapper/1310:19:595
2727099202198,2cyclictest0-21swapper/1310:19:595
2727099202193,5cyclictest0-21swapper/1311:00:445
2727099202193,5cyclictest0-21swapper/1311:00:445
2727099202193,5cyclictest0-21swapper/1311:00:445
2727099201191,8cyclictest0-21swapper/1310:35:235
2727099201191,8cyclictest0-21swapper/1310:35:235
2727099201191,8cyclictest0-21swapper/1310:35:225
2728999200193,4cyclictest2447-21CPU22
2728999200193,4cyclictest2447-21CPU22
2727099200193,3cyclictest2454-21CPU5
2727099200193,3cyclictest2454-21CPU5
2727099200193,3cyclictest2454-21CPU5
2727099200188,11cyclictest0-21swapper/1310:57:135
2727099200188,11cyclictest0-21swapper/1310:57:135
2727999198189,6cyclictest0-21swapper/2211:21:0515
2727999198189,6cyclictest0-21swapper/2211:21:0515
2727999195188,5cyclictest0-21swapper/2211:15:2615
2727999195188,5cyclictest0-21swapper/2211:15:2515
2727099192187,4cyclictest0-21swapper/1310:27:255
2727099192187,4cyclictest0-21swapper/1310:27:255
2727099192187,4cyclictest0-21swapper/1310:27:245
2727099192187,4cyclictest0-21swapper/1308:05:015
2727099192187,4cyclictest0-21swapper/1308:05:005
2728999190185,2cyclictest17482-21nfsd07:20:1522
2728999190185,2cyclictest17482-21nfsd07:20:1422
2727099189170,14cyclictest0-21swapper/1310:05:255
2727099189170,14cyclictest0-21swapper/1310:05:255
2727099189170,14cyclictest0-21swapper/1310:05:245
2727099188175,11cyclictest0-21swapper/1308:40:285
2727099188175,11cyclictest0-21swapper/1308:40:275
2727099187172,11cyclictest0-21swapper/1310:10:575
2727099187172,11cyclictest0-21swapper/1310:10:575
2727099187172,11cyclictest0-21swapper/1310:10:575
2727999185149,31cyclictest0-21swapper/2208:25:2015
2727999185149,31cyclictest0-21swapper/2208:25:2015
2727099185178,5cyclictest0-21swapper/1310:20:485
2727099185178,5cyclictest0-21swapper/1310:20:485
2727999184170,10cyclictest0-21swapper/2208:35:1515
2727999184170,10cyclictest0-21swapper/2208:35:1515
2727199184175,7cyclictest0-21swapper/1412:36:566
2727199184175,7cyclictest0-21swapper/1412:36:566
2727099184179,4cyclictest1285-21jbd2/sdb1-808:30:195
2727099184169,8cyclictest0-21swapper/1310:31:155
2727099184169,8cyclictest0-21swapper/1310:31:155
2727099184169,8cyclictest0-21swapper/1310:31:145
2729399183123,43cyclictest0-21swapper/3109:24:3325
2729399183123,43cyclictest0-21swapper/3109:24:3325
2729399183123,43cyclictest0-21swapper/3109:24:3325
2728599183122,56cyclictest17481-21nfsd11:21:1419
2728599183122,56cyclictest17481-21nfsd11:21:1419
2727099183178,4cyclictest0-21swapper/1308:21:395
2728599182142,34cyclictest0-21swapper/2609:10:2319
2728599182142,34cyclictest0-21swapper/2609:10:2219
2728599182142,34cyclictest0-21swapper/2609:10:2219
2727199182171,4cyclictest3610-21CPU6
2727199182171,4cyclictest3610-21CPU6
2727099182171,9cyclictest0-21swapper/1310:03:285
2727099182171,9cyclictest0-21swapper/1310:03:275
2728999181167,11cyclictest0-21swapper/2908:01:2722
2728999181167,11cyclictest0-21swapper/2908:01:2722
2728999180171,7cyclictest0-21swapper/2912:02:0022
2728999180171,7cyclictest0-21swapper/2912:02:0022
2727099180172,6cyclictest0-21swapper/1308:40:025
2727099180172,6cyclictest0-21swapper/1308:40:025
2727999179170,8cyclictest0-21swapper/2210:49:3215
2727999179170,8cyclictest0-21swapper/2210:49:3215
2727999179170,8cyclictest0-21swapper/2210:49:3215
2727999179149,25cyclictest0-21swapper/2207:30:2815
2727999179149,25cyclictest0-21swapper/2207:30:2815
2727099179164,9cyclictest0-21swapper/1310:53:065
2727099179164,9cyclictest0-21swapper/1310:53:065
2730399178171,4cyclictest0-21swapper/3911:42:1533
2730399178171,4cyclictest0-21swapper/3911:42:1533
2730399178171,4cyclictest0-21swapper/3911:42:1433
2728599178117,56cyclictest0-21swapper/2612:31:4919
2728599178117,56cyclictest0-21swapper/2612:31:4919
2729399177139,29cyclictest0-21swapper/3109:27:1825
2729399177139,29cyclictest0-21swapper/3109:27:1825
2729399177139,29cyclictest0-21swapper/3109:27:1825
2725799177116,53cyclictest0-21swapper/209:40:0312
2725799177116,53cyclictest0-21swapper/209:40:0212
2729399176131,37cyclictest0-21swapper/3110:55:3925
2729399176131,37cyclictest0-21swapper/3110:55:3925
2728599176135,27cyclictest0-21swapper/2610:14:5119
2728599176135,27cyclictest0-21swapper/2610:14:5119
2728599176135,27cyclictest0-21swapper/2610:14:5019
2727099176158,14cyclictest0-21swapper/1311:06:055
2727099176158,14cyclictest0-21swapper/1311:06:055
2730199175164,9cyclictest0-21swapper/3810:39:0032
2730199175164,9cyclictest0-21swapper/3810:39:0032
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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