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2026-05-27 - 20:43
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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 Wed May 27, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159472217156,50sleep00-21swapper/007:07:030
139491206173,22phc2sys0-21swapper/307:08:163
160112204169,23sleep20-21swapper/207:07:532
160462203170,22sleep10-21swapper/107:08:211
1688921770,4sleep21647799cyclictest07:10:132
1481521770,7sleep11647699cyclictest08:10:261
3008521340,6sleep01647599cyclictest12:05:210
2407721300,6sleep21647799cyclictest11:55:122
16478997032,11cyclictest41-21ksoftirqd/310:19:593
16478996427,4cyclictest41-21ksoftirqd/312:05:183
16478996331,4cyclictest41-21ksoftirqd/309:40:003
16478996327,4cyclictest41-21ksoftirqd/311:30:003
16478996326,4cyclictest41-21ksoftirqd/311:05:103
16478996232,4cyclictest41-21ksoftirqd/307:35:013
16478996229,4cyclictest41-21ksoftirqd/308:45:263
16478996228,4cyclictest41-21ksoftirqd/308:05:233
16478996131,10cyclictest41-21ksoftirqd/311:00:003
16478996130,3cyclictest41-21ksoftirqd/312:20:003
16478996129,4cyclictest41-21ksoftirqd/308:10:223
16478996032,3cyclictest41-21ksoftirqd/307:15:153
16478996031,4cyclictest41-21ksoftirqd/307:20:123
16478996031,4cyclictest41-21ksoftirqd/307:10:183
16478996030,4cyclictest41-21ksoftirqd/309:15:003
16478996028,4cyclictest41-21ksoftirqd/311:35:253
16478996026,3cyclictest41-21ksoftirqd/309:15:263
16478996025,5cyclictest41-21ksoftirqd/308:00:013
16478996025,5cyclictest41-21ksoftirqd/308:00:003
16478996025,4cyclictest41-21ksoftirqd/310:35:203
16478995930,4cyclictest41-21ksoftirqd/312:25:003
16478995928,4cyclictest41-21ksoftirqd/309:45:133
16478995927,4cyclictest41-21ksoftirqd/311:35:003
16478995926,4cyclictest41-21ksoftirqd/312:25:273
16478995924,7cyclictest41-21ksoftirqd/309:10:003
16478995924,4cyclictest41-21ksoftirqd/307:54:593
16478995828,4cyclictest41-21ksoftirqd/308:35:153
16478995825,3cyclictest41-21ksoftirqd/308:25:153
16478995825,3cyclictest41-21ksoftirqd/308:25:153
16478995824,7cyclictest41-21ksoftirqd/307:40:163
16478995824,4cyclictest41-21ksoftirqd/312:05:003
16478995824,4cyclictest41-21ksoftirqd/309:25:013
16478995729,9cyclictest41-21ksoftirqd/312:35:193
16478995728,8cyclictest41-21ksoftirqd/311:10:133
16478995728,3cyclictest41-21ksoftirqd/310:40:223
16478995727,5cyclictest41-21ksoftirqd/311:20:163
16478995727,3cyclictest41-21ksoftirqd/311:45:203
16478995724,4cyclictest41-21ksoftirqd/308:40:183
16478995723,3cyclictest41-21ksoftirqd/307:35:213
16478995722,8cyclictest41-21ksoftirqd/310:30:143
16478995722,4cyclictest41-21ksoftirqd/310:05:253
16478995722,4cyclictest41-21ksoftirqd/310:00:173
16478995719,4cyclictest41-21ksoftirqd/309:53:093
16478995628,4cyclictest41-21ksoftirqd/310:50:013
16478995628,4cyclictest41-21ksoftirqd/310:50:003
16478995627,4cyclictest41-21ksoftirqd/310:55:003
16478995626,4cyclictest41-21ksoftirqd/307:45:163
16478995625,7cyclictest41-21ksoftirqd/310:10:233
16478995623,4cyclictest41-21ksoftirqd/308:30:163
16478995621,4cyclictest41-21ksoftirqd/311:50:193
16478995621,4cyclictest41-21ksoftirqd/311:40:123
16478995618,4cyclictest41-21ksoftirqd/308:50:243
16478995527,4cyclictest41-21ksoftirqd/309:55:253
16478995523,7cyclictest41-21ksoftirqd/308:15:233
16478995518,8cyclictest41-21ksoftirqd/311:59:213
16478995516,7cyclictest41-21ksoftirqd/309:25:193
16478995425,4cyclictest41-21ksoftirqd/312:30:183
16478995425,4cyclictest41-21ksoftirqd/312:30:183
16478995423,9cyclictest41-21ksoftirqd/311:00:123
16478995225,10cyclictest41-21ksoftirqd/308:20:183
1647899522,4cyclictest41-21ksoftirqd/309:45:003
1647899515,9cyclictest41-21ksoftirqd/308:05:013
156422510,2sleep20-21swapper/208:15:012
1647899505,3cyclictest41-21ksoftirqd/311:15:193
1647899486,2cyclictest41-21ksoftirqd/308:55:173
1647899483,7cyclictest41-21ksoftirqd/310:25:233
16478994712,7cyclictest41-21ksoftirqd/309:00:223
1647899465,3cyclictest41-21ksoftirqd/312:10:123
1647899463,8cyclictest41-21ksoftirqd/307:25:143
1647899456,7cyclictest41-21ksoftirqd/309:34:193
1647899453,8cyclictest41-21ksoftirqd/310:20:243
16477994035,3cyclictest33-21ksoftirqd/212:40:002
16477993826,9cyclictest33-21ksoftirqd/207:55:222
16477993826,9cyclictest33-21ksoftirqd/207:55:212
16477993732,3cyclictest33-21ksoftirqd/207:25:002
16477993731,4cyclictest33-21ksoftirqd/212:18:222
16476993731,4cyclictest25-21ksoftirqd/110:44:061
16476993731,4cyclictest25-21ksoftirqd/107:38:171
16476993730,5cyclictest25-21ksoftirqd/108:49:121
16475993732,3cyclictest29039-21fschecks_count07:35:150
16477993631,3cyclictest33-21ksoftirqd/211:04:332
16477993630,4cyclictest33-21ksoftirqd/211:45:452
16477993629,4cyclictest33-21ksoftirqd/207:35:572
16477993625,9cyclictest33-21ksoftirqd/210:35:162
16476993631,3cyclictest25-21ksoftirqd/109:55:011
16476993630,4cyclictest25-21ksoftirqd/110:19:311
16476993630,4cyclictest25-21ksoftirqd/107:55:381
16476993630,4cyclictest25-21ksoftirqd/107:55:371
16477993530,3cyclictest33-21ksoftirqd/212:32:582
16477993530,3cyclictest33-21ksoftirqd/212:32:582
16477993529,4cyclictest33-21ksoftirqd/210:22:532
16477993529,4cyclictest33-21ksoftirqd/209:34:232
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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