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2026-08-01 - 04:31
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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 50 highest latencies:
System rack7slot1.osadl.org (updated Sat Aug 01, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1396921310,1sleep117869-21stress22:14:071
1396921310,1sleep117869-21stress22:14:071
28588211956,58sleep30-21swapper/319:09:263
28469211654,57sleep00-21swapper/019:07:570
28407210750,52sleep10-21swapper/119:07:111
40332960,2sleep217871-21stress23:05:122
2851229468,21sleep20-21swapper/219:08:272
2873399677,49cyclictest0-21swapper/121:55:191
2873399676,21cyclictest0-21swapper/123:40:001
2873399666,41cyclictest0-21swapper/100:30:281
2873399666,41cyclictest0-21swapper/100:30:281
2873399656,44cyclictest0-21swapper/122:00:301
2873399636,43cyclictest0-21swapper/122:05:181
2873399636,43cyclictest0-21swapper/122:05:181
2873399636,21cyclictest0-21swapper/123:15:341
2873399616,38cyclictest0-21swapper/100:10:221
2873399606,17cyclictest0-21swapper/122:55:191
2873399596,40cyclictest0-21swapper/121:25:301
2873399596,16cyclictest0-21swapper/100:16:321
2873399586,16cyclictest0-21swapper/121:15:351
2873399575,15cyclictest0-21swapper/122:15:141
2873399575,14cyclictest0-21swapper/121:40:191
2873399567,15cyclictest0-21swapper/122:35:181
2873399565,18cyclictest0-21swapper/100:30:011
2873399565,18cyclictest0-21swapper/100:30:011
2873399556,15cyclictest0-21swapper/123:50:331
2873399556,15cyclictest0-21swapper/123:50:321
2873399555,14cyclictest0-21swapper/100:05:211
2873399536,44cyclictest0-21swapper/123:30:231
2873399527,42cyclictest0-21swapper/122:40:181
2873399526,43cyclictest0-21swapper/121:50:251
2873399518,21cyclictest0-21swapper/123:05:121
2873399517,41cyclictest0-21swapper/100:35:181
2873399516,42cyclictest0-21swapper/123:46:171
2873399516,42cyclictest0-21swapper/123:25:021
2873399516,21cyclictest0-21swapper/121:10:341
2873399508,20cyclictest0-21swapper/122:27:121
2873399506,42cyclictest0-21swapper/123:25:261
28733995011,23cyclictest0-21swapper/123:40:141
2873399496,40cyclictest0-21swapper/122:50:161
2873399496,22cyclictest0-21swapper/123:00:251
2873399496,22cyclictest0-21swapper/121:50:011
2873399496,22cyclictest0-21swapper/121:20:151
2873399496,21cyclictest0-21swapper/123:10:251
2873399496,19cyclictest0-21swapper/122:45:261
2873399496,19cyclictest0-21swapper/122:45:251
2873399487,38cyclictest0-21swapper/121:40:011
2873399487,38cyclictest0-21swapper/121:40:011
2873399486,22cyclictest0-21swapper/100:20:371
2873399485,19cyclictest0-21swapper/120:10:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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