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2026-05-12 - 15:49
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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 rackdslot3.osadl.org (updated Tue May 12, 2026 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66842199164,23sleep30-21swapper/307:09:443
66842199164,23sleep30-21swapper/307:09:443
65752199166,22sleep10-21swapper/107:08:261
65752199166,22sleep10-21swapper/107:08:261
63912192159,22sleep20-21swapper/207:06:012
63912192159,22sleep20-21swapper/207:06:012
65442182149,22sleep00-21swapper/007:08:000
65442182149,22sleep00-21swapper/007:08:000
3134121560,7sleep1699999cyclictest12:30:171
7000997028,4cyclictest33-21ksoftirqd/211:55:222
7000996826,10cyclictest33-21ksoftirqd/210:55:262
7000996631,4cyclictest33-21ksoftirqd/210:40:002
7000996623,4cyclictest33-21ksoftirqd/208:45:182
7000996530,9cyclictest33-21ksoftirqd/207:15:002
7000996530,6cyclictest33-21ksoftirqd/209:10:002
7000996527,11cyclictest33-21ksoftirqd/210:00:012
7000996426,4cyclictest33-21ksoftirqd/208:00:152
7000996417,8cyclictest33-21ksoftirqd/211:50:252
7000996321,4cyclictest33-21ksoftirqd/212:15:192
6998996329,9cyclictest9-21ksoftirqd/011:45:200
7000996228,5cyclictest33-21ksoftirqd/209:20:192
7000996227,4cyclictest33-21ksoftirqd/209:30:202
7000996224,5cyclictest33-21ksoftirqd/208:45:002
7000996219,5cyclictest33-21ksoftirqd/208:35:272
7000996219,4cyclictest33-21ksoftirqd/208:30:132
6998996228,5cyclictest9-21ksoftirqd/008:00:200
6998996226,3cyclictest9-21ksoftirqd/008:10:180
6998996224,4cyclictest9-21ksoftirqd/007:10:230
7000996128,6cyclictest33-21ksoftirqd/209:25:142
7000996126,11cyclictest33-21ksoftirqd/207:55:232
7000996125,5cyclictest33-21ksoftirqd/209:15:012
7000996118,4cyclictest33-21ksoftirqd/209:40:152
7000996118,4cyclictest33-21ksoftirqd/207:20:262
7000996117,4cyclictest33-21ksoftirqd/212:25:262
7000996117,4cyclictest33-21ksoftirqd/210:20:262
6998996129,6cyclictest9-21ksoftirqd/010:40:010
6998996128,5cyclictest9-21ksoftirqd/011:10:000
6998996125,4cyclictest9-21ksoftirqd/007:40:150
6998996123,8cyclictest9-21ksoftirqd/007:35:240
7000996026,4cyclictest33-21ksoftirqd/211:25:142
7000996023,4cyclictest33-21ksoftirqd/210:00:002
7000996015,9cyclictest33-21ksoftirqd/209:00:262
7000996015,8cyclictest33-21ksoftirqd/211:20:182
7000996015,8cyclictest33-21ksoftirqd/211:20:182
6998996026,5cyclictest9-21ksoftirqd/012:35:220
7000995925,4cyclictest33-21ksoftirqd/209:50:182
7000995917,4cyclictest33-21ksoftirqd/212:20:132
6998995928,8cyclictest9-21ksoftirqd/012:00:290
6998995928,3cyclictest9-21ksoftirqd/009:40:010
6998995927,6cyclictest9-21ksoftirqd/009:25:140
6998995925,4cyclictest9-21ksoftirqd/010:30:210
6998995925,4cyclictest9-21ksoftirqd/007:45:220
6998995924,8cyclictest9-21ksoftirqd/010:55:270
7000995825,5cyclictest33-21ksoftirqd/208:10:182
7000995823,5cyclictest33-21ksoftirqd/211:40:152
7000995823,10cyclictest33-21ksoftirqd/211:03:542
7000995820,9cyclictest33-21ksoftirqd/209:35:232
7000995813,4cyclictest33-21ksoftirqd/210:40:182
6998995829,9cyclictest9-21ksoftirqd/012:30:140
6998995827,8cyclictest9-21ksoftirqd/011:30:130
6998995826,4cyclictest9-21ksoftirqd/008:40:210
6998995824,4cyclictest9-21ksoftirqd/011:20:140
6998995824,4cyclictest9-21ksoftirqd/011:20:140
7000995723,8cyclictest33-21ksoftirqd/210:30:172
7000995723,4cyclictest33-21ksoftirqd/212:30:132
7000995722,5cyclictest33-21ksoftirqd/207:45:182
7000995718,10cyclictest33-21ksoftirqd/211:15:132
7000995716,4cyclictest33-21ksoftirqd/211:30:182
7000995711,9cyclictest33-21ksoftirqd/208:25:172
6998995727,4cyclictest9-21ksoftirqd/008:30:000
7000995619,5cyclictest33-21ksoftirqd/207:15:132
7000995616,4cyclictest33-21ksoftirqd/211:35:162
7000995612,10cyclictest33-21ksoftirqd/212:00:212
699999561,12cyclictest23417-21readlink10:00:001
6998995627,3cyclictest9-21ksoftirqd/007:25:160
7001995528,4cyclictest41-21ksoftirqd/311:50:013
7001995525,3cyclictest41-21ksoftirqd/309:45:133
7000995517,10cyclictest33-21ksoftirqd/207:40:012
7000995516,5cyclictest33-21ksoftirqd/211:45:152
7000995513,10cyclictest33-21ksoftirqd/207:30:002
7000995511,9cyclictest33-21ksoftirqd/210:15:162
7000995511,9cyclictest33-21ksoftirqd/207:50:202
6999995513,3cyclictest25-21ksoftirqd/109:27:581
7000995422,8cyclictest33-21ksoftirqd/208:50:222
7000995421,12cyclictest33-21ksoftirqd/210:45:132
7000995420,5cyclictest33-21ksoftirqd/209:00:002
7000995420,5cyclictest33-21ksoftirqd/208:08:592
7000995419,5cyclictest33-21ksoftirqd/211:05:222
7000995418,9cyclictest33-21ksoftirqd/211:10:132
7000995414,4cyclictest33-21ksoftirqd/209:15:072
6998995423,4cyclictest9-21ksoftirqd/010:10:010
6998995423,4cyclictest9-21ksoftirqd/010:10:010
6998995423,4cyclictest9-21ksoftirqd/008:10:010
7000995318,9cyclictest33-21ksoftirqd/210:25:152
7000995311,9cyclictest33-21ksoftirqd/210:55:012
699999535,5cyclictest18602-21awk09:50:011
699999534,19cyclictest25386-21awk10:00:291
699899534,8cyclictest9-21ksoftirqd/011:55:220
699899530,8cyclictest101ktimersoftd/009:40:260
7001995218,9cyclictest41-21ksoftirqd/307:55:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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