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2026-07-29 - 21:55
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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 Wed Jul 29, 2026 13:02:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2292499249108,128cyclictest0-21swapper/3311:10:2027
2292499249108,128cyclictest0-21swapper/3311:10:2027
2292499249108,128cyclictest0-21swapper/3311:10:2027
2289899241215,12cyclictest0-21swapper/1207:20:144
2289899241215,12cyclictest0-21swapper/1207:20:134
2289899226212,5cyclictest0-21swapper/1211:10:214
2289899226212,5cyclictest0-21swapper/1211:10:214
2289899226212,5cyclictest0-21swapper/1211:10:214
2289899226209,7cyclictest3546-21CPU4
2289899226209,7cyclictest3546-21CPU4
2289899226199,15cyclictest0-21swapper/1211:20:174
2289899226199,15cyclictest0-21swapper/1211:20:164
2289899226199,15cyclictest0-21swapper/1211:20:164
2289899221207,11cyclictest0-21swapper/1209:00:154
2289899221207,11cyclictest0-21swapper/1209:00:144
2289899219193,12cyclictest0-21swapper/1209:19:054
2289899219193,12cyclictest0-21swapper/1209:19:044
2289899219193,12cyclictest0-21swapper/1209:19:044
2289899218207,2cyclictest3545-21CPU4
2289899218207,2cyclictest3545-21CPU4
2289899218207,2cyclictest3545-21CPU4
2289899216202,9cyclictest0-21swapper/1209:15:014
2289899216202,9cyclictest0-21swapper/1209:15:004
2289899214187,19cyclictest0-21swapper/1211:41:344
2289899214187,19cyclictest0-21swapper/1211:41:334
2289899214187,19cyclictest0-21swapper/1211:41:334
2289899213190,12cyclictest0-21swapper/1212:26:104
2289899213190,12cyclictest0-21swapper/1212:26:094
2289899213174,28cyclictest0-21swapper/1212:01:524
2289899213174,28cyclictest0-21swapper/1212:01:514
2289899213174,28cyclictest0-21swapper/1212:01:514
2289099211177,32cyclictest0-21swapper/509:31:3435
2289099211177,32cyclictest0-21swapper/509:31:3335
2289899210200,8cyclictest0-21swapper/1212:37:004
2289899210200,8cyclictest0-21swapper/1212:36:594
2292899209203,3cyclictest0-21swapper/3610:08:3030
2292899209203,3cyclictest0-21swapper/3610:08:2930
2292899209203,3cyclictest0-21swapper/3610:08:2930
2289899209196,8cyclictest0-21swapper/1209:40:054
2289899209196,8cyclictest0-21swapper/1209:40:054
2289899209196,8cyclictest0-21swapper/1209:40:044
2289899209184,16cyclictest0-21swapper/1211:17:594
2289899209184,16cyclictest0-21swapper/1211:17:594
2289899209184,16cyclictest0-21swapper/1211:17:594
2289899208199,5cyclictest0-21swapper/1210:51:384
2289899208199,5cyclictest0-21swapper/1210:51:384
2289899208194,12cyclictest0-21swapper/1209:55:074
2289899208194,12cyclictest0-21swapper/1209:55:064
2289899208185,16cyclictest2447-21CPU4
2289899208185,16cyclictest2447-21CPU4
2289899208178,16cyclictest0-21swapper/1208:00:234
2289899208178,16cyclictest0-21swapper/1208:00:234
2289899207184,13cyclictest0-21swapper/1212:15:124
2289899207184,13cyclictest0-21swapper/1212:15:114
2289899207179,20cyclictest0-21swapper/1211:34:094
2289899207179,20cyclictest0-21swapper/1211:34:094
2289899206187,10cyclictest0-21swapper/1209:45:454
2289899206187,10cyclictest0-21swapper/1209:45:454
2289899206187,10cyclictest0-21swapper/1209:45:444
2289899206186,11cyclictest0-21swapper/1211:57:294
2289899206186,11cyclictest0-21swapper/1211:57:284
2289899205192,7cyclictest0-21swapper/1210:25:494
2289899205192,7cyclictest0-21swapper/1210:25:484
2289899205192,7cyclictest0-21swapper/1210:25:484
2289899204199,4cyclictest0-21swapper/1210:35:024
2289899204199,4cyclictest0-21swapper/1210:35:024
2289899204195,7cyclictest1285-21jbd2/sdb1-807:12:574
2289899204195,7cyclictest1285-21jbd2/sdb1-807:12:564
2289899204194,7cyclictest0-21swapper/1209:41:214
2289899204194,7cyclictest0-21swapper/1209:41:204
2289899204185,13cyclictest0-21swapper/1209:30:144
2289899204185,13cyclictest0-21swapper/1209:30:134
2289899204184,10cyclictest0-21swapper/1208:35:364
2289899204182,17cyclictest0-21swapper/1212:20:334
2289899204182,17cyclictest0-21swapper/1212:20:324
2292499203164,27cyclictest0-21swapper/3312:04:3427
2292499203164,27cyclictest0-21swapper/3312:04:3427
2292499203164,27cyclictest0-21swapper/3312:04:3327
2289899203196,5cyclictest0-21swapper/1211:49:444
2289899203196,5cyclictest0-21swapper/1211:49:444
2289899203196,5cyclictest0-21swapper/1211:49:434
2289899203187,9cyclictest0-21swapper/1210:00:344
2289899203187,9cyclictest0-21swapper/1210:00:344
2289899202195,5cyclictest0-21swapper/1207:25:214
2289899202195,5cyclictest0-21swapper/1207:25:214
2289899202187,12cyclictest0-21swapper/1210:35:234
2289899202187,12cyclictest0-21swapper/1210:35:224
2289899202183,12cyclictest0-21swapper/1211:01:124
2289899202183,12cyclictest0-21swapper/1211:01:124
2289899200178,8cyclictest0-21swapper/1210:40:414
2289899200178,8cyclictest0-21swapper/1210:40:404
2289899200178,8cyclictest0-21swapper/1210:40:404
2289899199192,5cyclictest0-21swapper/1212:06:464
2289899199192,5cyclictest0-21swapper/1212:06:464
2289899199192,5cyclictest0-21swapper/1212:06:454
2289899199192,5cyclictest0-21swapper/1212:06:454
2289899199182,10cyclictest0-21swapper/1210:07:314
2289899199182,10cyclictest0-21swapper/1210:07:314
2289899199182,10cyclictest0-21swapper/1210:07:314
2289899198183,10cyclictest3542-21CPU4
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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