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2026-06-20 - 20:16
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackbslot6.osadl.org (updated Sat Jun 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
225121640,4sleep31646299cyclictest09:30:273
1068911060,3ptp4l401ktimersoftd/308:50:433
41162910,1sleep30-21swapper/312:26:563
106891700,1ptp4l401ktimersoftd/313:38:043
106891660,1ptp4l401ktimersoftd/313:07:073
106891640,2ptp4l401ktimersoftd/309:41:353
106891640,2ptp4l401ktimersoftd/309:41:353
131762620,2sleep20-21swapper/209:53:262
106891590,1ptp4l401ktimersoftd/312:36:483
195972580,2sleep10-21swapper/109:00:141
179652580,4sleep11645299cyclictest12:08:511
106891580,1ptp4l401ktimersoftd/313:16:453
106891570,1ptp4l401ktimersoftd/313:30:303
106891570,1ptp4l401ktimersoftd/311:06:173
106891560,1ptp4l401ktimersoftd/313:24:323
162152464,30sleep20-21swapper/208:53:292
106891460,2ptp4l10047-21kworker/3:114:05:563
106891450,2ptp4l10047-21kworker/3:113:41:013
106891440,1ptp4l401ktimersoftd/310:36:163
106891430,1ptp4l401ktimersoftd/310:55:173
106891430,11ptp4l401ktimersoftd/313:14:563
16452994217,5cyclictest3667-21tail10:40:341
16452994014,4cyclictest3493-21sh11:20:331
106891400,1ptp4l401ktimersoftd/312:40:403
106891400,1ptp4l401ktimersoftd/311:35:203
106891400,1ptp4l401ktimersoftd/311:33:593
106891400,1ptp4l401ktimersoftd/311:33:593
1645299391,11cyclictest24503-21ssh13:55:271
106891390,1ptp4l401ktimersoftd/314:23:253
16462993829,5cyclictest41-21ksoftirqd/312:05:273
16462993827,6cyclictest41-21ksoftirqd/313:00:263
16452993812,4cyclictest24777-21fschecks_count09:10:261
106891380,1ptp4l401ktimersoftd/314:11:373
106891380,1ptp4l401ktimersoftd/312:58:413
106891380,1ptp4l401ktimersoftd/312:49:023
106891380,1ptp4l401ktimersoftd/312:31:413
106891380,1ptp4l401ktimersoftd/312:19:123
106891380,1ptp4l401ktimersoftd/311:58:583
106891380,1ptp4l401ktimersoftd/309:00:253
16452993713,3cyclictest11690-21sh10:55:401
16448993727,5cyclictest9-21ksoftirqd/012:35:280
106891370,1ptp4l401ktimersoftd/314:03:533
106891370,1ptp4l401ktimersoftd/313:48:413
106891370,1ptp4l401ktimersoftd/312:11:233
106891370,1ptp4l401ktimersoftd/312:04:243
106891370,1ptp4l401ktimersoftd/311:48:093
106891370,1ptp4l401ktimersoftd/311:22:013
106891370,1ptp4l401ktimersoftd/311:20:063
106891370,1ptp4l401ktimersoftd/311:13:083
106891370,1ptp4l401ktimersoftd/311:00:453
106891370,0ptp4l401ktimersoftd/312:20:483
16462993625,7cyclictest41-21ksoftirqd/311:40:243
106891360,0ptp4l401ktimersoftd/313:56:393
16452993516,3cyclictest25-21ksoftirqd/109:51:041
16452993514,4cyclictest25-21ksoftirqd/110:22:081
106891350,0ptp4l401ktimersoftd/309:25:513
574623422,3sleep09-21ksoftirqd/014:09:240
16462993423,7cyclictest41-21ksoftirqd/313:50:303
142192344,16sleep114221-21/usr/sbin/munin08:50:211
16462993327,3cyclictest41-21ksoftirqd/310:25:113
16462993319,6cyclictest41-21ksoftirqd/309:50:223
106891330,5ptp4l13926-21kworker/3:009:19:453
106891330,1ptp4l401ktimersoftd/312:51:323
106891330,1ptp4l401ktimersoftd/310:16:523
106891330,1ptp4l401ktimersoftd/309:55:403
275422320,2sleep00-21swapper/013:57:510
1644899322,17cyclictest9367-21diskmemload11:45:260
106891320,1ptp4l401ktimersoftd/311:26:293
106891320,1ptp4l401ktimersoftd/309:40:033
60122310,5sleep1241ktimersoftd/110:45:321
261082310,2sleep00-21swapper/010:20:300
16462993125,3cyclictest41-21ksoftirqd/309:50:103
16462993125,3cyclictest41-21ksoftirqd/309:50:103
106891310,1ptp4l401ktimersoftd/313:26:273
106891310,1ptp4l401ktimersoftd/313:26:273
106891310,1ptp4l401ktimersoftd/310:07:003
106891310,1ptp4l401ktimersoftd/310:03:493
106891310,1ptp4l401ktimersoftd/309:21:433
106891310,1ptp4l401ktimersoftd/308:55:283
16462993017,6cyclictest41-21ksoftirqd/309:10:223
16457993025,3cyclictest33-21ksoftirqd/211:30:292
16457993025,3cyclictest33-21ksoftirqd/211:30:292
16448993023,4cyclictest9-21ksoftirqd/013:10:270
106891300,0ptp4l401ktimersoftd/310:31:003
16462992923,3cyclictest41-21ksoftirqd/309:05:283
16448992915,8cyclictest101ktimersoftd/010:15:220
1644899291,2cyclictest121rcu_preempt12:08:510
106891290,1ptp4l401ktimersoftd/314:19:263
103742290,4sleep21645799cyclictest12:00:332
323182280,4sleep032309-21munin-run10:35:120
16462992822,3cyclictest41-21ksoftirqd/311:50:253
16457992822,3cyclictest33-21ksoftirqd/214:24:182
16452992822,3cyclictest25-21ksoftirqd/112:15:341
1644899283,14cyclictest6662-21ssh14:10:260
16448992823,3cyclictest9-21ksoftirqd/011:40:130
16448992812,13cyclictest4161-21idleruntime-cro11:55:130
147852286,10sleep00-21swapper/008:50:280
16457992721,3cyclictest33-21ksoftirqd/212:20:262
16457992721,3cyclictest33-21ksoftirqd/211:54:212
16457992720,4cyclictest33-21ksoftirqd/210:18:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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