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2026-07-24 - 13:58
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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 Fri Jul 24, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214732207173,23sleep20-21swapper/219:06:372
216562202169,22sleep00-21swapper/019:09:000
215372202169,22sleep30-21swapper/319:07:263
214722202168,22sleep10-21swapper/119:06:361
1707321360,5sleep02202699cyclictest23:25:250
139391560,1ptp4l401ktimersoftd/323:21:193
22029995523,7cyclictest41-21ksoftirqd/323:20:013
22029995420,4cyclictest41-21ksoftirqd/322:50:013
139391530,1ptp4l401ktimersoftd/320:54:023
22029995020,6cyclictest41-21ksoftirqd/300:34:593
139391500,1ptp4l401ktimersoftd/322:55:153
270482470,1sleep30-21swapper/321:35:013
22029994717,4cyclictest41-21ksoftirqd/320:50:013
22029994714,8cyclictest41-21ksoftirqd/319:25:003
22029994616,4cyclictest41-21ksoftirqd/319:35:013
22029994616,3cyclictest41-21ksoftirqd/320:25:213
22029994615,4cyclictest41-21ksoftirqd/321:55:193
22029994615,3cyclictest41-21ksoftirqd/320:00:293
22029994615,3cyclictest41-21ksoftirqd/320:00:293
2202999457,11cyclictest41-21ksoftirqd/300:20:153
22029994533,9cyclictest41-21ksoftirqd/322:25:183
22029994532,10cyclictest41-21ksoftirqd/320:35:263
22029994526,3cyclictest41-21ksoftirqd/321:15:303
22029994515,4cyclictest41-21ksoftirqd/322:05:253
22029994514,3cyclictest41-21ksoftirqd/300:10:213
22029994514,3cyclictest41-21ksoftirqd/300:10:203
22029994415,3cyclictest41-21ksoftirqd/323:55:163
22029994414,3cyclictest41-21ksoftirqd/300:15:253
22029994411,8cyclictest41-21ksoftirqd/322:45:013
22029994332,9cyclictest41-21ksoftirqd/323:10:293
22029994316,6cyclictest41-21ksoftirqd/322:50:253
22029994315,4cyclictest41-21ksoftirqd/321:10:153
22029994314,7cyclictest41-21ksoftirqd/320:30:113
22029994314,7cyclictest41-21ksoftirqd/319:55:003
22029994314,3cyclictest41-21ksoftirqd/321:00:183
22029994312,4cyclictest41-21ksoftirqd/300:35:133
2202999428,8cyclictest41-21ksoftirqd/323:40:013
22029994217,7cyclictest41-21ksoftirqd/322:30:243
2202999419,6cyclictest41-21ksoftirqd/321:45:193
2202999419,4cyclictest41-21ksoftirqd/320:10:263
2202999419,4cyclictest41-21ksoftirqd/300:04:593
2202999417,8cyclictest41-21ksoftirqd/322:20:243
2202999415,8cyclictest41-21ksoftirqd/322:35:273
22029994113,4cyclictest41-21ksoftirqd/320:42:113
22029994111,4cyclictest41-21ksoftirqd/321:30:203
2202999407,7cyclictest41-21ksoftirqd/300:05:183
2202999404,3cyclictest121rcu_preempt19:41:363
22029994015,6cyclictest41-21ksoftirqd/322:00:133
22029994012,7cyclictest41-21ksoftirqd/323:50:013
22029994012,4cyclictest41-21ksoftirqd/319:26:293
22029994010,7cyclictest41-21ksoftirqd/322:10:203
22029994010,7cyclictest41-21ksoftirqd/322:10:203
2202999400,6cyclictest121rcu_preempt20:10:013
2202999398,3cyclictest41-21ksoftirqd/323:30:223
22029993932,5cyclictest41-21ksoftirqd/321:05:193
22029993931,6cyclictest41-21ksoftirqd/322:15:283
22029993929,3cyclictest41-21ksoftirqd/320:20:173
22029993928,9cyclictest41-21ksoftirqd/319:40:003
2202999391,5cyclictest41-21ksoftirqd/323:03:493
22029993912,4cyclictest41-21ksoftirqd/321:44:373
22029993912,4cyclictest41-21ksoftirqd/319:11:443
22029993911,7cyclictest41-21ksoftirqd/323:45:013
22029993911,4cyclictest41-21ksoftirqd/321:25:193
2202999388,10cyclictest41-21ksoftirqd/319:45:263
22029993810,6cyclictest41-21ksoftirqd/321:50:153
22028993831,4cyclictest33-21ksoftirqd/221:15:052
22027993831,5cyclictest25-21ksoftirqd/122:58:301
2202999377,8cyclictest41-21ksoftirqd/320:55:203
22029993732,3cyclictest41-21ksoftirqd/319:55:143
22029993732,2cyclictest41-21ksoftirqd/323:10:003
22029993714,6cyclictest41-21ksoftirqd/300:29:593
22028993731,4cyclictest33-21ksoftirqd/220:43:492
22027993731,4cyclictest25-21ksoftirqd/123:31:011
22026993730,5cyclictest9-21ksoftirqd/019:26:340
57898360,3rtkit-daemon25125-21ls22:35:260
2202999367,6cyclictest41-21ksoftirqd/323:50:193
2202999367,4cyclictest41-21ksoftirqd/319:15:193
22029993631,3cyclictest41-21ksoftirqd/323:25:133
22029993631,3cyclictest41-21ksoftirqd/320:15:233
22029993630,3cyclictest41-21ksoftirqd/321:20:163
22028993630,4cyclictest33-21ksoftirqd/223:59:492
22028993630,4cyclictest33-21ksoftirqd/223:30:492
22028993630,4cyclictest33-21ksoftirqd/223:24:552
22028993630,4cyclictest33-21ksoftirqd/219:44:282
22027993630,4cyclictest25-21ksoftirqd/123:27:401
22027993630,4cyclictest25-21ksoftirqd/122:17:271
22027993629,3cyclictest25-21ksoftirqd/122:00:181
22026993629,5cyclictest9-21ksoftirqd/020:36:210
57898350,1rtkit-daemon0-21swapper/123:00:271
22028993530,3cyclictest33-21ksoftirqd/222:55:122
22028993529,4cyclictest33-21ksoftirqd/223:52:072
22028993529,4cyclictest33-21ksoftirqd/223:41:562
22028993529,4cyclictest33-21ksoftirqd/220:47:132
22028993529,4cyclictest33-21ksoftirqd/220:36:112
22028993528,5cyclictest33-21ksoftirqd/222:17:232
22027993531,3cyclictest25-21ksoftirqd/122:25:171
22027993530,3cyclictest25-21ksoftirqd/123:50:131
22027993530,3cyclictest25-21ksoftirqd/122:20:201
22027993529,4cyclictest25-21ksoftirqd/123:48:101
22027993529,4cyclictest25-21ksoftirqd/122:09:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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