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2026-06-25 - 16:45
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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 Thu Jun 25, 2026 12:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491237193,34phc2sys0-21swapper/307:06:583
53932236170,22sleep20-21swapper/207:07:072
53092213150,51sleep00-21swapper/007:05:590
53722202169,22sleep10-21swapper/107:06:491
3162921480,6sleep3591699cyclictest11:25:133
551521470,3sleep0591399cyclictest10:30:180
19222770,6sleep10-21swapper/109:15:181
134491640,7getstats591699cyclictest08:25:213
134491630,5getstats41-21ksoftirqd/309:15:213
139391570,1ptp4l401ktimersoftd/307:39:513
139391550,1ptp4l401ktimersoftd/311:47:203
292872530,2sleep10-21swapper/107:55:261
163092520,2sleep116311-21awk10:50:251
147122510,1sleep10-21swapper/107:25:271
139391500,1ptp4l401ktimersoftd/308:18:113
88802490,2sleep00-21swapper/011:45:120
5916994716,3cyclictest41-21ksoftirqd/307:45:273
139391470,1ptp4l401ktimersoftd/312:28:203
139391470,1ptp4l401ktimersoftd/312:28:203
5916994625,2cyclictest41-21ksoftirqd/310:25:273
5916994618,3cyclictest41-21ksoftirqd/307:50:163
139391460,1ptp4l401ktimersoftd/307:44:043
591699451,3cyclictest121rcu_preempt10:35:003
591699446,3cyclictest41-21ksoftirqd/310:40:253
139391440,0ptp4l401ktimersoftd/310:03:353
591699435,3cyclictest41-21ksoftirqd/310:15:153
5916994314,7cyclictest41-21ksoftirqd/310:55:003
139391430,0ptp4l401ktimersoftd/311:24:233
139391420,1ptp4l401ktimersoftd/312:15:213
591699418,8cyclictest41-21ksoftirqd/309:20:223
591699417,7cyclictest41-21ksoftirqd/312:05:183
5916994132,6cyclictest41-21ksoftirqd/311:15:253
591699413,11cyclictest41-21ksoftirqd/311:30:133
5916994112,6cyclictest41-21ksoftirqd/308:30:123
139391410,0ptp4l401ktimersoftd/309:55:263
591699408,7cyclictest41-21ksoftirqd/310:45:003
591699408,4cyclictest41-21ksoftirqd/308:00:173
5916994014,6cyclictest41-21ksoftirqd/312:35:133
5916994010,3cyclictest41-21ksoftirqd/310:35:253
5915994026,12cyclictest33-21ksoftirqd/208:39:162
591699397,4cyclictest41-21ksoftirqd/308:05:153
591699396,8cyclictest41-21ksoftirqd/308:10:193
591699393,3cyclictest41-21ksoftirqd/307:10:263
5916993929,8cyclictest41-21ksoftirqd/308:45:263
5916993929,3cyclictest41-21ksoftirqd/307:35:003
5916993913,4cyclictest41-21ksoftirqd/311:40:183
5915993933,3cyclictest551-21rs:main2
5915993932,4cyclictest33-21ksoftirqd/212:35:212
5914993932,4cyclictest25-21ksoftirqd/107:45:111
591699389,6cyclictest41-21ksoftirqd/307:20:133
591699387,6cyclictest41-21ksoftirqd/307:15:203
591699386,6cyclictest41-21ksoftirqd/307:55:263
591699385,3cyclictest41-21ksoftirqd/310:10:013
591699383,5cyclictest41-21ksoftirqd/309:50:123
5916993828,3cyclictest41-21ksoftirqd/309:35:003
5916993826,9cyclictest41-21ksoftirqd/309:05:273
5916993812,6cyclictest41-21ksoftirqd/311:35:133
591699380,3cyclictest121rcu_preempt08:55:213
591699380,3cyclictest121rcu_preempt08:55:213
5915993832,4cyclictest33-21ksoftirqd/207:30:002
591699378,7cyclictest41-21ksoftirqd/309:35:243
591699375,4cyclictest41-21ksoftirqd/308:55:003
591699375,3cyclictest41-21ksoftirqd/311:00:183
591699373,3cyclictest41-21ksoftirqd/311:05:223
5916993732,3cyclictest41-21ksoftirqd/312:05:013
5916993732,3cyclictest41-21ksoftirqd/309:30:003
5916993732,2cyclictest41-21ksoftirqd/311:50:283
591699371,3cyclictest121rcu_preempt09:45:143
5916993711,7cyclictest41-21ksoftirqd/312:20:263
591699370,5cyclictest41-21ksoftirqd/311:55:153
5915993731,4cyclictest33-21ksoftirqd/210:02:122
5916993632,2cyclictest41-21ksoftirqd/310:20:213
5916993632,2cyclictest41-21ksoftirqd/310:10:233
5916993631,3cyclictest41-21ksoftirqd/309:10:263
5916993631,3cyclictest41-21ksoftirqd/307:25:133
5915993631,3cyclictest33-21ksoftirqd/211:20:102
5915993630,4cyclictest33-21ksoftirqd/209:08:332
5914993632,2cyclictest25-21ksoftirqd/107:14:591
5914993630,4cyclictest25-21ksoftirqd/110:20:331
5914993630,4cyclictest25-21ksoftirqd/108:50:341
5914993630,4cyclictest25-21ksoftirqd/108:11:271
591699357,4cyclictest41-21ksoftirqd/308:40:203
591699357,3cyclictest41-21ksoftirqd/308:35:013
5916993531,3cyclictest41-21ksoftirqd/308:20:143
5916993531,2cyclictest41-21ksoftirqd/311:10:183
5916993530,3cyclictest41-21ksoftirqd/312:10:123
5916993530,3cyclictest41-21ksoftirqd/310:55:233
5916993530,3cyclictest41-21ksoftirqd/310:55:233
5915993530,3cyclictest33-21ksoftirqd/207:50:102
5915993529,4cyclictest33-21ksoftirqd/212:00:512
5915993529,4cyclictest33-21ksoftirqd/209:23:172
5915993528,4cyclictest33-21ksoftirqd/207:47:052
5914993530,3cyclictest25-21ksoftirqd/107:40:001
5914993529,4cyclictest25-21ksoftirqd/112:32:191
5914993529,4cyclictest25-21ksoftirqd/110:55:521
5914993529,4cyclictest25-21ksoftirqd/110:55:521
5914993529,4cyclictest25-21ksoftirqd/110:28:311
5914993529,4cyclictest25-21ksoftirqd/110:01:311
5914993528,4cyclictest25-21ksoftirqd/108:39:391
5913993529,4cyclictest9-21ksoftirqd/012:36:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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