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2026-04-08 - 19:41
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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 rackdslot4.osadl.org (updated Wed Apr 08, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591205171,22phc2sys0-21swapper/307:07:413
307392203169,23sleep10-21swapper/107:05:291
309802202167,23sleep00-21swapper/007:08:290
307652202169,22sleep20-21swapper/207:05:512
717721420,2sleep10-21swapper/108:30:181
31388996931,10cyclictest25-21ksoftirqd/111:25:191
31388996725,8cyclictest25-21ksoftirqd/110:50:111
31388996724,8cyclictest25-21ksoftirqd/111:20:171
31388996623,8cyclictest25-21ksoftirqd/108:20:201
31388996524,10cyclictest25-21ksoftirqd/112:00:241
31388996523,9cyclictest25-21ksoftirqd/107:30:161
31389996429,6cyclictest33-21ksoftirqd/207:35:002
31389996425,10cyclictest33-21ksoftirqd/208:55:022
31388996428,7cyclictest25-21ksoftirqd/111:50:011
31388996427,8cyclictest25-21ksoftirqd/107:40:151
31388996427,8cyclictest25-21ksoftirqd/107:40:151
31388996424,7cyclictest25-21ksoftirqd/110:45:231
31388996423,8cyclictest25-21ksoftirqd/107:45:241
31388996422,9cyclictest25-21ksoftirqd/110:40:221
31389996334,4cyclictest33-21ksoftirqd/212:00:202
31388996329,7cyclictest25-21ksoftirqd/111:15:001
31388996329,7cyclictest25-21ksoftirqd/111:15:001
31388996328,8cyclictest25-21ksoftirqd/109:35:251
31388996324,7cyclictest25-21ksoftirqd/111:15:221
31388996323,7cyclictest25-21ksoftirqd/108:50:141
31388996322,7cyclictest25-21ksoftirqd/110:20:241
31389996229,6cyclictest33-21ksoftirqd/208:20:002
31389996228,5cyclictest33-21ksoftirqd/211:40:262
31389996228,5cyclictest33-21ksoftirqd/211:40:252
31388996227,4cyclictest25-21ksoftirqd/108:00:241
31388996223,8cyclictest25-21ksoftirqd/111:30:161
31388996223,7cyclictest25-21ksoftirqd/112:25:131
31388996223,7cyclictest25-21ksoftirqd/111:40:211
31388996223,7cyclictest25-21ksoftirqd/111:40:211
31388996223,6cyclictest25-21ksoftirqd/109:55:221
31389996130,5cyclictest33-21ksoftirqd/208:30:002
31389996129,6cyclictest33-21ksoftirqd/212:10:262
31389996129,6cyclictest33-21ksoftirqd/212:10:262
31388996126,4cyclictest25-21ksoftirqd/111:55:261
31388996122,7cyclictest25-21ksoftirqd/112:05:221
31389996029,6cyclictest33-21ksoftirqd/209:10:122
31389996029,6cyclictest33-21ksoftirqd/209:10:122
31389996029,6cyclictest33-21ksoftirqd/207:10:232
31389996024,6cyclictest33-21ksoftirqd/209:00:132
31388996031,8cyclictest25-21ksoftirqd/110:30:181
31388996030,4cyclictest25-21ksoftirqd/109:25:131
31388996028,8cyclictest25-21ksoftirqd/108:05:141
31388996026,9cyclictest25-21ksoftirqd/108:40:121
31388996026,9cyclictest25-21ksoftirqd/108:40:121
31388996025,7cyclictest25-21ksoftirqd/107:20:221
31388996023,7cyclictest25-21ksoftirqd/110:15:181
31388996023,7cyclictest25-21ksoftirqd/107:35:181
31388996020,11cyclictest25-21ksoftirqd/108:10:261
31388996020,11cyclictest25-21ksoftirqd/108:10:261
31388996019,9cyclictest25-21ksoftirqd/109:30:231
31388996019,7cyclictest25-21ksoftirqd/109:10:121
31388996019,7cyclictest25-21ksoftirqd/109:10:121
31389995930,4cyclictest33-21ksoftirqd/207:25:182
31389995928,6cyclictest33-21ksoftirqd/208:20:162
31389995928,3cyclictest33-21ksoftirqd/212:35:272
31389995927,6cyclictest33-21ksoftirqd/207:50:182
31389995927,5cyclictest33-21ksoftirqd/210:05:122
31389995927,4cyclictest33-21ksoftirqd/208:00:132
31389995926,6cyclictest33-21ksoftirqd/209:10:002
31389995926,5cyclictest33-21ksoftirqd/208:10:142
31389995926,5cyclictest33-21ksoftirqd/208:10:142
31389995926,4cyclictest33-21ksoftirqd/209:35:152
31389995924,6cyclictest33-21ksoftirqd/212:15:132
31389995924,4cyclictest33-21ksoftirqd/211:05:182
31388995930,6cyclictest25-21ksoftirqd/109:15:161
31388995915,4cyclictest25-21ksoftirqd/109:55:011
268952590,3sleep30-21swapper/312:25:163
31389995827,5cyclictest33-21ksoftirqd/211:20:132
31389995826,4cyclictest33-21ksoftirqd/208:50:002
31389995814,4cyclictest33-21ksoftirqd/212:21:282
31388995828,9cyclictest25-21ksoftirqd/109:05:241
31388995823,7cyclictest25-21ksoftirqd/112:30:261
31388995823,7cyclictest25-21ksoftirqd/108:15:261
31388995822,8cyclictest25-21ksoftirqd/110:10:181
31388995822,8cyclictest25-21ksoftirqd/107:25:121
31388995822,7cyclictest25-21ksoftirqd/108:35:161
31389995733,7cyclictest33-21ksoftirqd/210:50:012
31389995728,4cyclictest33-21ksoftirqd/211:45:222
31389995727,6cyclictest33-21ksoftirqd/209:15:172
31389995726,4cyclictest33-21ksoftirqd/208:05:172
31389995725,6cyclictest33-21ksoftirqd/207:15:132
31388995729,8cyclictest25-21ksoftirqd/109:00:261
31388995722,4cyclictest25-21ksoftirqd/109:50:001
31388995720,4cyclictest25-21ksoftirqd/110:35:261
31388995719,4cyclictest25-21ksoftirqd/109:40:161
31389995630,4cyclictest33-21ksoftirqd/210:30:012
31389995627,7cyclictest33-21ksoftirqd/208:30:122
31389995627,4cyclictest33-21ksoftirqd/211:25:132
31389995627,4cyclictest33-21ksoftirqd/210:45:002
31389995626,6cyclictest33-21ksoftirqd/207:59:592
31389995626,4cyclictest33-21ksoftirqd/212:05:182
31389995626,4cyclictest33-21ksoftirqd/207:50:002
31389995625,5cyclictest33-21ksoftirqd/209:55:132
31389995624,7cyclictest33-21ksoftirqd/212:29:592
31389995621,4cyclictest33-21ksoftirqd/211:35:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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