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2026-06-21 - 23:22
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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 50 highest latencies:
System rackdslot3.osadl.org (updated Sun Jun 21, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252782236171,22sleep10-21swapper/107:08:371
139491207172,23phc2sys0-21swapper/307:09:253
253752205172,22sleep20-21swapper/207:09:482
252102205172,22sleep00-21swapper/007:07:450
986821640,7sleep12568599cyclictest11:05:221
25687997327,5cyclictest41-21ksoftirqd/308:45:013
25687997024,5cyclictest41-21ksoftirqd/309:50:193
25687996534,9cyclictest41-21ksoftirqd/311:45:003
25687996324,11cyclictest41-21ksoftirqd/310:55:163
25687996323,12cyclictest41-21ksoftirqd/310:30:223
25687996321,11cyclictest41-21ksoftirqd/309:55:173
25687996321,11cyclictest41-21ksoftirqd/309:55:173
25687996313,10cyclictest41-21ksoftirqd/309:45:153
25685996332,7cyclictest25-21ksoftirqd/112:10:131
25687996227,5cyclictest41-21ksoftirqd/309:29:593
25687996226,5cyclictest41-21ksoftirqd/307:55:003
25687996224,5cyclictest41-21ksoftirqd/307:15:253
25687996129,4cyclictest41-21ksoftirqd/308:30:243
25687996129,10cyclictest41-21ksoftirqd/308:45:133
25687996126,9cyclictest41-21ksoftirqd/308:25:003
25687996124,9cyclictest41-21ksoftirqd/311:45:173
25687996119,10cyclictest41-21ksoftirqd/309:25:013
25685996131,4cyclictest25-21ksoftirqd/111:25:141
25685996125,6cyclictest25-21ksoftirqd/110:00:001
25685996125,6cyclictest25-21ksoftirqd/110:00:001
25687996026,5cyclictest41-21ksoftirqd/308:55:183
25687996025,5cyclictest41-21ksoftirqd/310:55:003
25687996021,10cyclictest41-21ksoftirqd/310:40:153
25687996021,10cyclictest41-21ksoftirqd/310:40:143
25687996018,10cyclictest41-21ksoftirqd/311:20:273
25687995925,5cyclictest41-21ksoftirqd/308:20:013
25687995925,5cyclictest41-21ksoftirqd/308:20:013
25687995924,5cyclictest41-21ksoftirqd/310:10:213
25687995919,10cyclictest41-21ksoftirqd/309:15:013
25685995925,6cyclictest25-21ksoftirqd/112:05:241
25684995925,10cyclictest9-21ksoftirqd/011:45:110
25687995827,5cyclictest41-21ksoftirqd/311:05:193
25687995825,5cyclictest41-21ksoftirqd/311:25:153
25687995821,4cyclictest41-21ksoftirqd/311:35:003
25685995829,3cyclictest25-21ksoftirqd/112:35:261
25685995826,6cyclictest25-21ksoftirqd/111:50:241
25687995727,9cyclictest41-21ksoftirqd/308:50:183
25687995727,5cyclictest41-21ksoftirqd/310:15:213
25687995725,4cyclictest41-21ksoftirqd/310:00:193
25687995723,5cyclictest41-21ksoftirqd/312:30:003
25687995722,8cyclictest41-21ksoftirqd/312:05:193
25687995722,4cyclictest41-21ksoftirqd/307:20:143
25687995718,11cyclictest41-21ksoftirqd/310:20:183
25687995718,11cyclictest41-21ksoftirqd/307:15:013
25685995724,3cyclictest25-21ksoftirqd/107:40:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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