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2026-04-30 - 20:50
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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 Thu Apr 30, 2026 13:03:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3326199218214,2cyclictest0-21swapper/3410:42:0128
3326199218214,2cyclictest0-21swapper/3410:42:0028
3325799211203,5cyclictest0-21swapper/3111:40:1825
3325799211203,5cyclictest0-21swapper/3111:40:1825
3325899210203,5cyclictest0-21swapper/3212:27:5526
3325899210203,5cyclictest0-21swapper/3212:27:5526
3325799209201,4cyclictest37354-21CPU25
3325799209201,4cyclictest37354-21CPU25
3325799208182,23cyclictest0-21swapper/3111:35:2325
3325799208182,23cyclictest0-21swapper/3111:35:2325
3325799208182,23cyclictest0-21swapper/3111:35:2325
3325899206201,4cyclictest0-21swapper/3212:20:3526
3325899206201,4cyclictest0-21swapper/3212:20:3526
33243992061,195cyclictest0-21swapper/1911:35:1611
33243992061,195cyclictest0-21swapper/1911:35:1611
33243992061,195cyclictest0-21swapper/1911:35:1611
3323499203191,10cyclictest0-21swapper/1110:20:133
3323499203191,10cyclictest0-21swapper/1110:20:133
3323499203191,10cyclictest0-21swapper/1110:20:123
3325799202195,5cyclictest0-21swapper/3111:46:5625
3325799202195,5cyclictest0-21swapper/3111:46:5625
3325799202195,5cyclictest0-21swapper/3111:46:5625
3325799202195,5cyclictest0-21swapper/3111:46:5525
3325899200192,4cyclictest0-21swapper/3208:45:1426
3325899200192,4cyclictest0-21swapper/3208:45:1426
3325799199192,5cyclictest0-21swapper/3111:20:2025
3325799199192,5cyclictest0-21swapper/3111:20:1925
33243991982,96cyclictest3545-21CPU11
33243991982,96cyclictest3545-21CPU11
3325899197191,4cyclictest0-21swapper/3208:20:0026
3325799197191,4cyclictest0-21swapper/3109:28:4825
3325799197191,4cyclictest0-21swapper/3109:28:4825
33243991971,9cyclictest13799-21cpuspeed_turbos12:10:1311
33243991971,9cyclictest13799-21cpuspeed_turbos12:10:1311
3322499197192,3cyclictest0-21swapper/210:00:1512
3322499197192,3cyclictest0-21swapper/210:00:1412
3326499196176,18cyclictest0-21swapper/3710:30:1531
3326499196176,18cyclictest0-21swapper/3710:30:1431
3325899196148,26cyclictest0-21swapper/3211:26:0526
3325899196148,26cyclictest0-21swapper/3211:26:0426
3323899196136,56cyclictest3548-21CPU6
3323899196136,56cyclictest3548-21CPU6
3323399196191,4cyclictest0-21swapper/1007:21:262
3323399196191,4cyclictest0-21swapper/1007:21:262
33238991941,77cyclictest0-21swapper/1410:50:146
33238991941,77cyclictest0-21swapper/1410:50:146
33238991941,77cyclictest0-21swapper/1410:50:136
3325799193188,4cyclictest0-21swapper/3112:13:5725
3325799193188,4cyclictest0-21swapper/3112:13:5725
3326499192188,2cyclictest0-21swapper/3711:55:2231
3326499192188,2cyclictest0-21swapper/3711:55:2231
3325799192160,24cyclictest0-21swapper/3108:31:4825
3325799192160,24cyclictest0-21swapper/3108:31:4825
3325299192180,10cyclictest0-21swapper/2611:23:1919
3325299192180,10cyclictest0-21swapper/2611:23:1819
3325899191182,8cyclictest0-21swapper/3212:05:5426
3325899191182,8cyclictest0-21swapper/3212:05:5326
3325299191183,6cyclictest0-21swapper/2607:45:0119
3325299191183,6cyclictest0-21swapper/2607:45:0019
33243991910,2cyclictest0-21swapper/1911:30:1211
33243991910,2cyclictest0-21swapper/1911:30:1111
33238991911,187cyclictest0-21swapper/1409:40:006
33238991911,187cyclictest0-21swapper/1409:40:006
33238991911,187cyclictest0-21swapper/1409:40:006
3325299190183,5cyclictest0-21swapper/2607:31:2219
3325299190183,5cyclictest0-21swapper/2607:31:2219
33238991901,186cyclictest0-21swapper/1409:55:176
33238991901,186cyclictest0-21swapper/1409:55:176
3325899189184,3cyclictest0-21swapper/3212:15:1126
3325899189184,3cyclictest0-21swapper/3212:15:1126
3325899189182,5cyclictest0-21swapper/3212:00:0026
3325899189182,5cyclictest0-21swapper/3212:00:0026
332219918953,128cyclictest0-21swapper/010:20:150
332219918953,128cyclictest0-21swapper/010:20:150
332219918953,128cyclictest0-21swapper/010:20:150
3322199189109,77cyclictest0-21swapper/010:25:150
3322199189109,77cyclictest0-21swapper/010:25:150
3325899188181,5cyclictest0-21swapper/3211:39:1326
3325899188181,5cyclictest0-21swapper/3211:39:1326
3325899188181,5cyclictest0-21swapper/3211:39:1326
3325899188180,6cyclictest0-21swapper/3212:02:3926
3325899188180,6cyclictest0-21swapper/3212:02:3926
3325899188180,6cyclictest0-21swapper/3212:02:3926
3325799188173,12cyclictest0-21swapper/3107:36:1525
3325799188173,12cyclictest0-21swapper/3107:36:1425
3325299188171,9cyclictest0-21swapper/2611:43:3219
3325299188171,9cyclictest0-21swapper/2611:43:3219
3324699188183,3cyclictest0-21swapper/2111:40:1014
3324699188183,3cyclictest0-21swapper/2111:40:1014
3324599188180,6cyclictest0-21swapper/2012:22:3513
3324599188180,6cyclictest0-21swapper/2012:22:3413
3326299187176,9cyclictest0-21swapper/3508:55:3329
3326299187176,9cyclictest0-21swapper/3508:55:3329
3325799187181,4cyclictest0-21swapper/3111:33:5225
3325799187181,4cyclictest0-21swapper/3111:33:5225
3324599187180,5cyclictest0-21swapper/2009:30:1113
3324599187180,5cyclictest0-21swapper/2009:30:1113
3324599187180,5cyclictest0-21swapper/2009:30:1013
3324599187170,13cyclictest0-21swapper/2009:40:1813
3324599187170,13cyclictest0-21swapper/2009:40:1713
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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