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2026-06-11 - 16:44
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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 Thu Jun 11, 2026 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
60972204171,22sleep30-21swapper/307:07:243
40872203170,22sleep20-21swapper/207:05:102
59902200167,22sleep10-21swapper/107:06:001
59892199165,22sleep00-21swapper/007:06:000
67172560,5sleep0659799cyclictest12:35:150
125032550,6sleep1659899cyclictest07:20:171
6600995422,10cyclictest41-21ksoftirqd/310:20:013
6600995422,10cyclictest41-21ksoftirqd/310:20:003
6600995416,4cyclictest41-21ksoftirqd/307:35:143
6600995321,9cyclictest41-21ksoftirqd/309:40:213
6600995216,8cyclictest41-21ksoftirqd/307:25:163
6600995213,9cyclictest41-21ksoftirqd/309:15:193
138491520,1ptp4l401ktimersoftd/307:11:243
6600995020,3cyclictest41-21ksoftirqd/312:05:223
6600995012,10cyclictest41-21ksoftirqd/311:50:003
6600995012,10cyclictest41-21ksoftirqd/311:50:003
6600995010,9cyclictest41-21ksoftirqd/310:05:123
6600994916,9cyclictest41-21ksoftirqd/307:55:143
6600994912,9cyclictest41-21ksoftirqd/309:00:143
6600994912,9cyclictest41-21ksoftirqd/309:00:133
6599994914,4cyclictest33-21ksoftirqd/210:20:182
660099484,9cyclictest41-21ksoftirqd/307:50:283
6600994838,2cyclictest41-21ksoftirqd/312:35:263
6600994811,8cyclictest41-21ksoftirqd/311:00:153
6600994810,9cyclictest41-21ksoftirqd/308:35:143
6599994820,3cyclictest33-21ksoftirqd/207:25:122
6599994818,3cyclictest33-21ksoftirqd/207:20:222
6600994737,8cyclictest41-21ksoftirqd/309:55:003
6600994717,5cyclictest41-21ksoftirqd/311:05:263
6600994714,5cyclictest41-21ksoftirqd/310:35:173
6600994710,4cyclictest41-21ksoftirqd/311:26:173
6599994719,4cyclictest33-21ksoftirqd/211:25:172
6599994718,3cyclictest33-21ksoftirqd/209:55:192
6599994717,4cyclictest33-21ksoftirqd/208:36:202
6599994712,14cyclictest33-21ksoftirqd/207:30:152
6599994712,14cyclictest33-21ksoftirqd/207:30:152
660099465,2cyclictest41-21ksoftirqd/308:40:243
660099464,3cyclictest121rcu_preempt07:15:243
6600994615,9cyclictest41-21ksoftirqd/310:50:183
6599994618,4cyclictest33-21ksoftirqd/207:57:432
660099457,4cyclictest41-21ksoftirqd/310:21:153
660099455,2cyclictest41-21ksoftirqd/311:20:133
660099453,6cyclictest41-21ksoftirqd/308:15:193
660099453,4cyclictest41-21ksoftirqd/308:55:183
660099451,3cyclictest41-21ksoftirqd/312:05:003
6600994512,9cyclictest41-21ksoftirqd/308:20:193
660099450,3cyclictest121rcu_preempt11:35:213
659999458,4cyclictest33-21ksoftirqd/207:10:212
6599994517,4cyclictest33-21ksoftirqd/209:35:172
6599994516,3cyclictest33-21ksoftirqd/209:30:142
6599994515,4cyclictest33-21ksoftirqd/207:50:192
6599994515,3cyclictest33-21ksoftirqd/210:45:162
660099441,3cyclictest41-21ksoftirqd/309:30:133
6600994412,4cyclictest41-21ksoftirqd/312:30:223
6599994415,3cyclictest33-21ksoftirqd/212:25:192
6599994414,4cyclictest33-21ksoftirqd/211:45:152
6599994414,4cyclictest33-21ksoftirqd/211:45:152
6599994413,15cyclictest33-21ksoftirqd/211:10:162
138491440,1ptp4l401ktimersoftd/310:02:423
660099436,4cyclictest41-21ksoftirqd/308:33:443
6600994337,3cyclictest41-21ksoftirqd/308:10:003
660099433,6cyclictest41-21ksoftirqd/310:25:223
660099433,2cyclictest121rcu_preempt12:00:003
6600994326,7cyclictest41-21ksoftirqd/310:45:163
660099432,3cyclictest121rcu_preempt09:45:183
660099432,2cyclictest41-21ksoftirqd/307:45:193
660099431,6cyclictest41-21ksoftirqd/309:15:013
660099431,6cyclictest41-21ksoftirqd/309:05:273
6600994312,4cyclictest41-21ksoftirqd/312:20:213
6600994312,10cyclictest41-21ksoftirqd/307:20:123
6600994311,9cyclictest41-21ksoftirqd/307:40:243
6600994310,9cyclictest41-21ksoftirqd/312:25:243
660099430,3cyclictest41-21ksoftirqd/309:35:163
660099430,2cyclictest121rcu_preempt10:30:233
6599994337,3cyclictest33-21ksoftirqd/208:25:002
6599994316,3cyclictest33-21ksoftirqd/210:25:182
6599994314,4cyclictest33-21ksoftirqd/210:35:252
6599994312,3cyclictest33-21ksoftirqd/208:55:182
138491430,0ptp4l401ktimersoftd/311:14:033
6600994237,3cyclictest41-21ksoftirqd/312:20:003
660099423,5cyclictest41-21ksoftirqd/310:55:183
660099423,3cyclictest121rcu_preempt08:50:143
660099422,6cyclictest41-21ksoftirqd/309:20:143
660099422,3cyclictest121rcu_preempt10:40:193
660099421,2cyclictest41-21ksoftirqd/308:25:133
6600994210,7cyclictest41-21ksoftirqd/312:10:153
660099420,2cyclictest41-21ksoftirqd/311:40:113
660099420,2cyclictest41-21ksoftirqd/311:40:113
659999429,3cyclictest33-21ksoftirqd/209:45:192
6599994214,3cyclictest33-21ksoftirqd/207:35:142
6599994213,4cyclictest33-21ksoftirqd/211:05:202
660099414,2cyclictest121rcu_preempt11:50:213
660099413,5cyclictest41-21ksoftirqd/309:55:143
660099412,3cyclictest121rcu_preempt11:30:133
660099411,6cyclictest41-21ksoftirqd/310:10:153
6599994136,3cyclictest33-21ksoftirqd/209:20:002
6599994114,3cyclictest33-21ksoftirqd/211:20:172
6599994114,3cyclictest33-21ksoftirqd/209:40:122
660099400,3cyclictest11433-21wc09:30:003
6599994036,2cyclictest33-21ksoftirqd/209:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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