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2026-09-18 - 00:39
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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 Sep 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911850,6ptp4l401ktimersoftd/309:39:303
978921540,5sleep02437699cyclictest12:09:240
111552690,2sleep20-21swapper/214:54:362
106891680,1ptp4l401ktimersoftd/312:23:203
106891670,9ptp4l401ktimersoftd/313:50:093
106891670,1ptp4l401ktimersoftd/315:07:293
58492660,4sleep2311rcuc/211:19:202
116142650,1sleep20-21swapper/214:21:072
106891650,7ptp4l401ktimersoftd/312:47:243
106891600,1ptp4l401ktimersoftd/310:59:353
106891570,1ptp4l401ktimersoftd/312:35:193
106891570,1ptp4l401ktimersoftd/312:00:423
240352554,40sleep00-21swapper/009:41:170
106891550,1ptp4l401ktimersoftd/312:28:453
106891550,1ptp4l401ktimersoftd/312:28:453
212332540,2sleep10-21swapper/110:44:181
106891540,1ptp4l401ktimersoftd/311:48:273
239082524,34sleep20-21swapper/209:39:502
106891510,1ptp4l401ktimersoftd/313:40:013
242442504,33sleep10-21swapper/109:44:011
24391994524,12cyclictest3515-21kworker/u8:214:24:352
106891440,1ptp4l401ktimersoftd/311:31:383
220762420,5sleep12438199cyclictest13:59:341
106891420,1ptp4l401ktimersoftd/310:37:403
106891400,2ptp4l26780-21kworker/3:210:19:313
106891400,1ptp4l401ktimersoftd/313:26:533
106891390,1ptp4l401ktimersoftd/314:33:283
106891390,1ptp4l401ktimersoftd/314:06:243
106891390,1ptp4l401ktimersoftd/313:19:463
106891390,1ptp4l401ktimersoftd/313:11:343
106891390,1ptp4l401ktimersoftd/313:03:333
106891390,1ptp4l401ktimersoftd/312:54:573
106891380,1ptp4l401ktimersoftd/314:12:293
106891380,1ptp4l401ktimersoftd/314:12:293
106891380,1ptp4l401ktimersoftd/312:18:363
106891370,1ptp4l401ktimersoftd/315:12:393
106891370,1ptp4l401ktimersoftd/314:56:343
106891370,1ptp4l401ktimersoftd/314:50:163
106891370,1ptp4l401ktimersoftd/314:45:003
106891370,1ptp4l401ktimersoftd/314:42:093
106891370,1ptp4l401ktimersoftd/314:27:423
106891370,1ptp4l401ktimersoftd/314:00:493
106891370,1ptp4l401ktimersoftd/313:54:253
106891370,1ptp4l401ktimersoftd/313:45:213
106891370,1ptp4l401ktimersoftd/313:38:593
106891370,1ptp4l401ktimersoftd/313:33:123
106891370,1ptp4l401ktimersoftd/313:05:593
106891370,1ptp4l401ktimersoftd/312:40:523
106891370,1ptp4l401ktimersoftd/311:50:033
106891370,1ptp4l401ktimersoftd/310:09:323
106891370,0ptp4l401ktimersoftd/314:35:033
106891360,1ptp4l401ktimersoftd/314:17:463
106891360,1ptp4l401ktimersoftd/314:17:463
106891360,1ptp4l401ktimersoftd/313:15:553
106891360,0ptp4l401ktimersoftd/314:59:483
106891360,0ptp4l401ktimersoftd/312:32:533
106891360,0ptp4l401ktimersoftd/309:59:173
106891350,2ptp4l14138-21kworker/3:011:40:073
106891350,1ptp4l401ktimersoftd/312:08:483
106891340,1ptp4l401ktimersoftd/312:50:203
106891330,2ptp4l26780-21kworker/3:210:53:323
106891330,1ptp4l401ktimersoftd/311:18:083
24381993226,3cyclictest29720-21cron09:54:171
106891320,1ptp4l401ktimersoftd/312:11:063
106891320,1ptp4l401ktimersoftd/310:57:343
106891310,1ptp4l401ktimersoftd/311:23:003
106891310,1ptp4l401ktimersoftd/311:09:323
2439199305,3cyclictest121rcu_preempt11:59:382
106891300,1ptp4l401ktimersoftd/314:24:033
24391992924,3cyclictest33-21ksoftirqd/213:23:322
24391992922,4cyclictest4413-21cron10:09:162
24381992924,3cyclictest25-21ksoftirqd/113:59:221
24376992924,3cyclictest9-21ksoftirqd/011:49:190
24376992923,3cyclictest9-21ksoftirqd/012:30:160
106891290,0ptp4l401ktimersoftd/310:01:013
266602280,5sleep09-21ksoftirqd/009:49:010
24391992815,7cyclictest0-21swapper/212:29:312
24396992721,3cyclictest41-21ksoftirqd/311:04:303
24396992721,3cyclictest41-21ksoftirqd/309:54:173
2439199273,2cyclictest121rcu_preempt14:44:292
24391992722,3cyclictest33-21ksoftirqd/211:14:182
24391992720,4cyclictest33-21ksoftirqd/210:43:472
24381992722,3cyclictest25-21ksoftirqd/112:30:161
24381992722,3cyclictest25-21ksoftirqd/112:29:201
24381992722,3cyclictest25-21ksoftirqd/112:29:201
24381992721,3cyclictest25-21ksoftirqd/110:09:281
24376992721,3cyclictest9-21ksoftirqd/014:34:240
24376992713,3cyclictest9-21ksoftirqd/011:04:360
24396992620,3cyclictest41-21ksoftirqd/311:34:393
24381992621,3cyclictest25-21ksoftirqd/114:19:511
24381992619,4cyclictest25-21ksoftirqd/110:25:271
24381992619,4cyclictest25-21ksoftirqd/110:00:261
24376992620,3cyclictest9-21ksoftirqd/011:44:130
24376992619,4cyclictest9-21ksoftirqd/011:27:330
24376992618,5cyclictest20358-21tail13:24:390
106891260,0ptp4l401ktimersoftd/309:46:083
24391992519,3cyclictest33-21ksoftirqd/213:55:062
24391992518,4cyclictest33-21ksoftirqd/212:10:272
24391992518,4cyclictest33-21ksoftirqd/211:02:252
24391992518,4cyclictest33-21ksoftirqd/210:29:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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