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2025-06-16 - 20:20
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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 Mon Jun 16, 2025 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163352208175,22sleep30-21swapper/307:05:493
163622203169,22sleep00-21swapper/007:06:110
165562202169,22sleep10-21swapper/107:08:411
164422202170,22sleep20-21swapper/207:07:132
36998890,68rtkit-daemon0-21swapper/007:10:000
16954996325,11cyclictest33-21ksoftirqd/210:30:162
16954996224,3cyclictest33-21ksoftirqd/210:25:302
16954996130,3cyclictest33-21ksoftirqd/210:05:012
16954996129,4cyclictest33-21ksoftirqd/207:20:152
16954996121,9cyclictest33-21ksoftirqd/212:15:312
16954996031,4cyclictest33-21ksoftirqd/209:20:272
16954996028,4cyclictest33-21ksoftirqd/210:39:592
16954996027,9cyclictest33-21ksoftirqd/210:10:282
16954995932,4cyclictest33-21ksoftirqd/207:55:012
16955995821,7cyclictest41-21ksoftirqd/309:30:583
16954995827,3cyclictest33-21ksoftirqd/207:25:202
16955995722,4cyclictest41-21ksoftirqd/309:41:023
16955995720,8cyclictest41-21ksoftirqd/310:37:213
16955995720,10cyclictest41-21ksoftirqd/309:48:313
16954995729,4cyclictest33-21ksoftirqd/207:15:202
16954995726,3cyclictest33-21ksoftirqd/207:35:262
16954995725,3cyclictest33-21ksoftirqd/211:25:192
16954995712,9cyclictest33-21ksoftirqd/211:20:202
16955995629,9cyclictest41-21ksoftirqd/310:30:243
16955995622,4cyclictest41-21ksoftirqd/307:17:093
16954995627,4cyclictest33-21ksoftirqd/208:05:152
1695599555,41cyclictest29424-21cut08:40:153
16955995521,9cyclictest41-21ksoftirqd/307:21:123
16954995525,4cyclictest33-21ksoftirqd/211:00:162
16954995524,10cyclictest33-21ksoftirqd/208:48:352
16954995510,8cyclictest33-21ksoftirqd/209:35:202
16955995422,3cyclictest41-21ksoftirqd/309:30:013
1695499546,3cyclictest121rcu_preempt11:35:012
16954995426,4cyclictest33-21ksoftirqd/209:10:172
137622540,2sleep10-21swapper/110:15:271
137622540,2sleep10-21swapper/110:15:261
77942530,3sleep17797-21irqrtprio07:55:181
16955995320,3cyclictest41-21ksoftirqd/307:50:133
16954995325,3cyclictest33-21ksoftirqd/208:30:242
1695599525,8cyclictest41-21ksoftirqd/312:35:273
16955995218,7cyclictest41-21ksoftirqd/310:02:163
16954995226,9cyclictest33-21ksoftirqd/209:55:072
16954995223,3cyclictest33-21ksoftirqd/211:05:292
16954995222,9cyclictest33-21ksoftirqd/210:20:202
16954995218,11cyclictest33-21ksoftirqd/210:40:252
1695599513,9cyclictest41-21ksoftirqd/311:45:283
16955995123,4cyclictest41-21ksoftirqd/310:20:183
16955995120,9cyclictest41-21ksoftirqd/307:25:273
16955995120,4cyclictest41-21ksoftirqd/312:03:513
16955995118,10cyclictest41-21ksoftirqd/308:09:583
1695499517,3cyclictest33-21ksoftirqd/209:45:272
16954995128,3cyclictest33-21ksoftirqd/210:10:002
16954995126,4cyclictest33-21ksoftirqd/211:35:152
1695499512,10cyclictest27552-21kworker/2:209:40:202
1695599508,7cyclictest41-21ksoftirqd/309:18:593
16955995021,10cyclictest41-21ksoftirqd/311:01:293
16954995030,4cyclictest33-21ksoftirqd/212:10:232
16954995027,4cyclictest33-21ksoftirqd/207:55:132
16954995019,3cyclictest33-21ksoftirqd/212:00:232
1695499500,8cyclictest33-21ksoftirqd/212:30:272
1347915035,8phc2sys0-21swapper/307:10:003
5062490,2sleep30-21swapper/310:55:203
16955994918,8cyclictest41-21ksoftirqd/312:23:103
16955994916,8cyclictest41-21ksoftirqd/307:55:283
1695499493,9cyclictest33-21ksoftirqd/212:25:172
1695499492,7cyclictest33-21ksoftirqd/208:25:272
1695599482,6cyclictest41-21ksoftirqd/308:25:013
16955994817,9cyclictest41-21ksoftirqd/311:20:323
1695499484,3cyclictest121rcu_preempt07:10:272
1695499482,8cyclictest33-21ksoftirqd/212:40:002
16954994814,9cyclictest33-21ksoftirqd/211:15:212
16955994733,4cyclictest41-21ksoftirqd/308:35:193
16955994728,9cyclictest41-21ksoftirqd/309:05:293
16955994721,8cyclictest41-21ksoftirqd/311:40:153
16955994719,4cyclictest41-21ksoftirqd/309:22:563
16955994719,4cyclictest41-21ksoftirqd/308:51:103
16955994715,7cyclictest41-21ksoftirqd/312:30:023
1695499473,7cyclictest33-21ksoftirqd/209:50:202
16954994733,4cyclictest33-21ksoftirqd/211:40:312
16954994729,9cyclictest33-21ksoftirqd/207:45:162
16954994729,5cyclictest33-21ksoftirqd/211:55:182
1695499471,7cyclictest33-21ksoftirqd/211:45:302
1695499471,3cyclictest121rcu_preempt11:10:232
1695499470,6cyclictest33-21ksoftirqd/208:55:302
1695299470,44cyclictest31988-21awk10:55:000
1695299470,44cyclictest31988-21awk10:55:000
1695599463,8cyclictest41-21ksoftirqd/312:00:003
1695599463,6cyclictest41-21ksoftirqd/309:55:003
16955994632,3cyclictest41-21ksoftirqd/312:05:173
1695599462,6cyclictest41-21ksoftirqd/310:40:153
1695499467,3cyclictest33-21ksoftirqd/210:45:292
1695499465,7cyclictest33-21ksoftirqd/212:05:282
1695499464,2cyclictest33-21ksoftirqd/209:05:232
16954994631,6cyclictest33-21ksoftirqd/208:15:142
1695499461,7cyclictest33-21ksoftirqd/209:30:182
16955994531,4cyclictest41-21ksoftirqd/308:45:173
16955994512,8cyclictest41-21ksoftirqd/309:55:233
1695499454,3cyclictest33-21ksoftirqd/209:15:222
16954994536,3cyclictest33-21ksoftirqd/210:55:292
16954994531,3cyclictest33-21ksoftirqd/212:20:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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