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2026-07-08 - 20:48
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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 Wed Jul 08, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2130521600,5sleep2289399cyclictest14:15:272
1068911060,4ptp4l401ktimersoftd/309:00:073
166072760,2sleep10-21swapper/112:30:351
106891750,1ptp4l401ktimersoftd/309:55:203
106891690,1ptp4l401ktimersoftd/314:22:033
106891680,1ptp4l401ktimersoftd/309:40:303
74872670,2sleep00-21swapper/011:15:300
2893996755,5cyclictest33-21ksoftirqd/213:15:222
18932650,4sleep3289999cyclictest11:43:403
185872640,4sleep318591-21timerwakeupswit13:05:383
2893996349,7cyclictest33-21ksoftirqd/210:00:182
69272620,2sleep30-21swapper/309:10:243
321042620,2sleep10-21swapper/113:53:021
106891610,1ptp4l401ktimersoftd/312:06:423
162732600,2sleep30-21swapper/309:30:233
162732600,2sleep30-21swapper/309:30:233
106891590,2ptp4l29053-21kworker/3:010:15:293
2882995851,3cyclictest9-21ksoftirqd/009:05:170
106891580,1ptp4l401ktimersoftd/310:40:203
27422574,42sleep00-21swapper/009:04:310
2882995631,3cyclictest9-21ksoftirqd/010:05:290
2893995544,5cyclictest33-21ksoftirqd/211:40:212
2893995542,5cyclictest33-21ksoftirqd/213:05:212
2882995547,4cyclictest9-21ksoftirqd/010:55:200
2882995526,3cyclictest9-21ksoftirqd/011:35:520
2893995440,6cyclictest33-21ksoftirqd/210:05:192
2882995448,3cyclictest9-21ksoftirqd/012:40:190
207022540,2sleep20-21swapper/211:30:142
32992530,2sleep30-21swapper/311:45:203
2882995346,4cyclictest9-21ksoftirqd/009:35:180
2882995346,4cyclictest9-21ksoftirqd/009:35:180
2882995346,3cyclictest9-21ksoftirqd/010:30:190
206802530,2sleep30-21swapper/312:35:273
2882995245,4cyclictest9-21ksoftirqd/009:10:180
207022510,3sleep2289399cyclictest13:40:422
2882994829,3cyclictest9-21ksoftirqd/014:30:280
2882994822,4cyclictest9-21ksoftirqd/013:15:390
188282480,2sleep30-21swapper/311:27:263
106891480,1ptp4l401ktimersoftd/314:27:223
105791480,5getstats289999cyclictest12:59:563
105791480,5getstats289999cyclictest12:59:563
2882994732,6cyclictest9-21ksoftirqd/014:20:240
2882994723,7cyclictest9-21ksoftirqd/013:45:280
2882994722,4cyclictest9-21ksoftirqd/011:05:230
106891470,1ptp4l401ktimersoftd/312:24:463
106891470,1ptp4l401ktimersoftd/312:11:323
2882994631,3cyclictest9-21ksoftirqd/012:30:020
106891460,1ptp4l401ktimersoftd/313:46:573
2882994524,5cyclictest9-21ksoftirqd/013:05:270
2882994521,4cyclictest9-21ksoftirqd/013:55:290
2882994521,4cyclictest9-21ksoftirqd/012:21:090
2893994433,6cyclictest33-21ksoftirqd/212:50:222
2882994430,3cyclictest9-21ksoftirqd/010:45:230
2882994420,4cyclictest9-21ksoftirqd/010:20:210
2882994418,4cyclictest9-21ksoftirqd/012:37:110
106891440,14ptp4l12437-21kworker/3:014:32:423
2893994310,4cyclictest33-21ksoftirqd/213:20:292
2882994317,4cyclictest9-21ksoftirqd/013:31:400
2882994313,6cyclictest9-21ksoftirqd/011:50:240
106891430,1ptp4l401ktimersoftd/311:07:033
2882994236,3cyclictest9-21ksoftirqd/014:05:220
2882994222,4cyclictest9-21ksoftirqd/013:10:280
2882994218,4cyclictest9-21ksoftirqd/011:45:260
2882994218,3cyclictest9-21ksoftirqd/013:52:040
2882994217,4cyclictest9-21ksoftirqd/013:00:270
2882994217,4cyclictest9-21ksoftirqd/013:00:270
106891420,1ptp4l401ktimersoftd/314:13:513
2882994135,3cyclictest9-21ksoftirqd/009:55:100
2882994131,3cyclictest9-21ksoftirqd/012:12:270
2882994115,17cyclictest9-21ksoftirqd/009:50:340
288299404,6cyclictest9-21ksoftirqd/009:20:290
2882994032,4cyclictest9-21ksoftirqd/012:00:130
2882994027,6cyclictest9-21ksoftirqd/011:10:390
2882994027,3cyclictest9-21ksoftirqd/011:59:190
2882994017,4cyclictest9-21ksoftirqd/014:03:000
2882994016,4cyclictest9-21ksoftirqd/013:25:240
2882994016,4cyclictest9-21ksoftirqd/012:56:460
2882994016,4cyclictest9-21ksoftirqd/012:56:460
2882994015,4cyclictest9-21ksoftirqd/014:29:370
2882994015,4cyclictest9-21ksoftirqd/013:38:280
2882993927,3cyclictest9-21ksoftirqd/013:24:350
2882993925,3cyclictest9-21ksoftirqd/011:03:030
2882993924,3cyclictest9-21ksoftirqd/014:19:300
2882993915,4cyclictest9-21ksoftirqd/011:32:260
106891390,1ptp4l401ktimersoftd/313:17:363
106891390,1ptp4l401ktimersoftd/313:10:253
106891390,1ptp4l401ktimersoftd/311:52:303
106891390,1ptp4l401ktimersoftd/311:14:343
2893993832,3cyclictest33-21ksoftirqd/212:35:092
2893993825,3cyclictest33-21ksoftirqd/213:55:262
2893993822,5cyclictest33-21ksoftirqd/214:20:222
289399380,3cyclictest121rcu_preempt12:25:372
2882993833,3cyclictest9-21ksoftirqd/012:20:090
2882993815,3cyclictest9-21ksoftirqd/011:44:570
2882993814,4cyclictest9-21ksoftirqd/013:40:390
2882993814,4cyclictest9-21ksoftirqd/011:27:010
2882993812,4cyclictest9-21ksoftirqd/012:33:180
106891380,1ptp4l401ktimersoftd/314:05:373
106891380,1ptp4l401ktimersoftd/313:51:443
106891380,1ptp4l401ktimersoftd/313:03:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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