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2026-07-31 - 00:42
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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 Thu Jul 30, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
449021600,5sleep02109499cyclictest12:10:400
1068911070,39ptp4l401ktimersoftd/309:16:063
106891710,1ptp4l401ktimersoftd/313:26:363
106891680,1ptp4l401ktimersoftd/314:38:143
106891680,1ptp4l401ktimersoftd/312:49:193
106891680,1ptp4l401ktimersoftd/312:01:093
256832620,2sleep20-21swapper/210:32:302
79632590,5sleep12109899cyclictest13:52:391
256592590,4sleep2321ktimersoftd/209:22:362
106891550,1ptp4l401ktimersoftd/313:51:053
106891550,1ptp4l401ktimersoftd/311:53:173
268362540,2sleep30-21swapper/312:32:393
268362540,2sleep30-21swapper/312:32:393
188632544,39sleep00-21swapper/009:12:210
188132524,34sleep20-21swapper/209:12:152
318632510,2sleep10-21swapper/113:43:591
21098995022,4cyclictest25-21ksoftirqd/110:39:581
21104994639,3cyclictest33-21ksoftirqd/214:27:312
106891450,1ptp4l401ktimersoftd/310:46:003
106891450,1ptp4l401ktimersoftd/310:46:003
106891430,1ptp4l401ktimersoftd/309:32:493
21111994232,5cyclictest41-21ksoftirqd/313:12:313
21104994235,3cyclictest33-21ksoftirqd/214:42:322
21104994135,3cyclictest33-21ksoftirqd/213:07:292
161112410,2sleep10-21swapper/114:33:501
106891410,1ptp4l401ktimersoftd/312:42:303
106891410,13ptp4l30105-21kworker/3:310:48:483
21104994032,4cyclictest33-21ksoftirqd/214:32:292
106891400,1ptp4l401ktimersoftd/309:37:303
106891390,3ptp4l17662-21kworker/3:013:22:193
106891390,1ptp4l401ktimersoftd/314:46:543
106891390,1ptp4l401ktimersoftd/314:30:333
106891380,1ptp4l401ktimersoftd/314:33:503
106891380,1ptp4l401ktimersoftd/313:53:053
106891380,1ptp4l401ktimersoftd/313:41:003
106891380,1ptp4l401ktimersoftd/313:33:333
106891380,1ptp4l401ktimersoftd/312:21:253
106891380,1ptp4l401ktimersoftd/311:34:413
265362370,5sleep341-21ksoftirqd/314:12:323
106891370,1ptp4l401ktimersoftd/314:10:443
106891370,1ptp4l401ktimersoftd/314:10:443
106891370,1ptp4l401ktimersoftd/314:02:503
106891370,1ptp4l401ktimersoftd/313:09:523
106891370,1ptp4l401ktimersoftd/313:05:133
106891370,1ptp4l401ktimersoftd/312:25:343
106891370,1ptp4l401ktimersoftd/311:49:543
106891370,1ptp4l401ktimersoftd/311:38:373
106891370,1ptp4l401ktimersoftd/311:28:033
106891370,1ptp4l401ktimersoftd/311:26:463
106891370,1ptp4l401ktimersoftd/309:47:273
106891370,0ptp4l401ktimersoftd/314:17:513
106891370,0ptp4l401ktimersoftd/314:17:513
106891370,0ptp4l401ktimersoftd/313:44:563
106891370,0ptp4l401ktimersoftd/313:32:103
21104993624,5cyclictest33-21ksoftirqd/211:29:592
106891360,1ptp4l401ktimersoftd/314:01:103
106891360,1ptp4l401ktimersoftd/312:58:373
106891360,1ptp4l401ktimersoftd/312:06:413
106891360,1ptp4l401ktimersoftd/311:21:503
106891360,1ptp4l401ktimersoftd/310:32:303
106891360,0ptp4l401ktimersoftd/311:44:563
21111993529,3cyclictest1-21systemd10:39:513
106891350,3ptp4l20613-21kworker/3:112:29:133
106891350,1ptp4l401ktimersoftd/309:17:143
106891350,0ptp4l401ktimersoftd/312:56:213
106891340,1ptp4l401ktimersoftd/312:14:153
106891340,0ptp4l401ktimersoftd/312:40:563
21104993327,3cyclictest33-21ksoftirqd/213:27:192
21104993326,4cyclictest33-21ksoftirqd/210:40:082
206032330,3sleep20-21swapper/214:38:132
169682330,2sleep00-21swapper/011:17:360
106891330,1ptp4l401ktimersoftd/310:01:163
21104993227,3cyclictest33-21ksoftirqd/211:52:172
21104993227,3cyclictest33-21ksoftirqd/210:52:152
21104993220,10cyclictest33-21ksoftirqd/213:37:492
17922320,2sleep00-21swapper/013:12:510
106891320,1ptp4l401ktimersoftd/312:08:523
106891320,1ptp4l401ktimersoftd/311:11:503
106891320,1ptp4l401ktimersoftd/310:07:403
21104993126,3cyclictest33-21ksoftirqd/213:52:332
21104993126,3cyclictest33-21ksoftirqd/211:12:162
21104993125,3cyclictest33-21ksoftirqd/214:02:192
21104993125,3cyclictest33-21ksoftirqd/211:27:162
21104993125,3cyclictest33-21ksoftirqd/210:17:142
21104993125,3cyclictest33-21ksoftirqd/209:22:132
21104993124,3cyclictest33-21ksoftirqd/211:37:302
21104993123,4cyclictest33-21ksoftirqd/209:47:252
21104993119,10cyclictest33-21ksoftirqd/211:42:332
106891310,1ptp4l401ktimersoftd/309:27:313
106891310,1ptp4l401ktimersoftd/309:23:483
106891310,10ptp4l401ktimersoftd/310:53:373
300032300,4sleep22110499cyclictest14:15:362
21104993025,3cyclictest33-21ksoftirqd/213:17:192
21104993024,3cyclictest33-21ksoftirqd/213:17:372
21104993024,3cyclictest33-21ksoftirqd/213:07:192
21104993024,3cyclictest33-21ksoftirqd/211:57:172
21104993024,3cyclictest33-21ksoftirqd/210:17:342
21104993022,4cyclictest33-21ksoftirqd/213:27:282
21104993021,7cyclictest33-21ksoftirqd/211:17:372
21104993020,7cyclictest33-21ksoftirqd/209:42:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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