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2026-07-23 - 15:57
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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 23, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2528721550,5sleep22660399cyclictest11:18:392
884621420,4sleep32661299cyclictest11:33:493
1068911190,8ptp4l11581-21kworker/3:009:08:393
106891720,1ptp4l401ktimersoftd/313:30:323
298732660,2sleep00-21swapper/011:55:300
106891660,1ptp4l401ktimersoftd/313:49:053
264682644,10sleep00-21swapper/009:13:040
106891640,1ptp4l401ktimersoftd/314:29:443
106891630,1ptp4l401ktimersoftd/312:00:173
106891610,1ptp4l401ktimersoftd/310:58:513
106891590,1ptp4l401ktimersoftd/313:54:373
106891570,1ptp4l401ktimersoftd/313:40:143
106891570,1ptp4l401ktimersoftd/313:37:293
310222550,3sleep22660399cyclictest14:41:182
263922544,38sleep10-21swapper/109:12:041
106891540,1ptp4l401ktimersoftd/313:28:053
106891540,1ptp4l401ktimersoftd/309:51:213
106891530,1ptp4l401ktimersoftd/313:02:313
106891520,1ptp4l401ktimersoftd/314:18:343
106891510,1ptp4l401ktimersoftd/309:24:493
106891510,13ptp4l16558-21kworker/3:113:10:583
284432490,4sleep2311rcuc/211:53:482
105791490,2getstats2661299cyclictest13:59:303
26598994841,4cyclictest25-21ksoftirqd/109:58:351
106891480,0ptp4l401ktimersoftd/314:15:173
197612470,3sleep00-21swapper/012:51:150
106891470,13ptp4l8265-21kworker/3:012:24:033
106891460,1ptp4l401ktimersoftd/314:25:343
106891460,1ptp4l401ktimersoftd/314:08:093
106891460,0ptp4l401ktimersoftd/312:14:573
26603994511,5cyclictest33-21ksoftirqd/210:40:592
2436424521,13sleep233-21ksoftirqd/209:08:302
26603994421,9cyclictest33-21ksoftirqd/212:46:002
2660399441,7cyclictest11773-21runrttasks14:22:012
106891440,1ptp4l401ktimersoftd/311:23:573
106891420,1ptp4l401ktimersoftd/310:14:093
26603994137,2cyclictest311rcuc/210:56:242
26603994119,9cyclictest33-21ksoftirqd/214:32:152
106891410,5ptp4l401ktimersoftd/313:05:043
106891410,1ptp4l401ktimersoftd/311:10:573
106891410,1ptp4l401ktimersoftd/309:29:453
26603994019,8cyclictest33-21ksoftirqd/209:58:362
2660399392,6cyclictest321ktimersoftd/213:09:522
26603993914,4cyclictest33-21ksoftirqd/211:43:412
106891390,1ptp4l401ktimersoftd/313:18:593
106891390,1ptp4l401ktimersoftd/311:28:513
106891390,1ptp4l401ktimersoftd/311:28:513
2660399384,6cyclictest33-21ksoftirqd/213:47:362
2660399383,5cyclictest33-21ksoftirqd/213:22:002
26603993817,9cyclictest33-21ksoftirqd/209:38:382
2660399380,13cyclictest33-21ksoftirqd/213:53:552
106891380,1ptp4l401ktimersoftd/312:23:063
106891380,1ptp4l401ktimersoftd/312:04:143
106891380,1ptp4l401ktimersoftd/311:46:353
106891380,1ptp4l401ktimersoftd/311:40:583
2660399375,5cyclictest33-21ksoftirqd/212:03:552
2660399373,6cyclictest33-21ksoftirqd/211:25:482
26603993733,2cyclictest311rcuc/212:02:582
26603993718,10cyclictest33-21ksoftirqd/214:10:272
26603993716,9cyclictest33-21ksoftirqd/213:52:332
26603993716,8cyclictest33-21ksoftirqd/209:23:332
26603993714,9cyclictest33-21ksoftirqd/210:43:392
130502370,2sleep10-21swapper/113:18:141
106891370,5ptp4l401ktimersoftd/312:39:423
106891370,1ptp4l401ktimersoftd/314:39:283
106891370,1ptp4l401ktimersoftd/314:10:593
106891370,1ptp4l401ktimersoftd/312:54:033
106891370,1ptp4l401ktimersoftd/312:51:053
2660399365,5cyclictest33-21ksoftirqd/213:28:562
2660399364,5cyclictest33-21ksoftirqd/213:59:532
2660399364,5cyclictest33-21ksoftirqd/213:38:312
2660399364,5cyclictest33-21ksoftirqd/213:37:222
2660399363,5cyclictest33-21ksoftirqd/214:35:122
2660399363,5cyclictest33-21ksoftirqd/212:16:182
2660399363,5cyclictest33-21ksoftirqd/211:32:312
2660399363,5cyclictest33-21ksoftirqd/211:32:312
2660399363,5cyclictest33-21ksoftirqd/211:17:522
26603993610,7cyclictest33-21ksoftirqd/213:00:272
106891360,1ptp4l401ktimersoftd/312:29:333
106891360,1ptp4l401ktimersoftd/311:17:383
106891360,1ptp4l401ktimersoftd/310:09:243
106891360,0ptp4l401ktimersoftd/313:16:093
106891360,0ptp4l401ktimersoftd/311:54:433
2660399354,5cyclictest33-21ksoftirqd/211:37:482
2660399353,5cyclictest33-21ksoftirqd/214:26:092
2660399353,5cyclictest33-21ksoftirqd/213:24:252
2660399353,5cyclictest33-21ksoftirqd/212:56:412
2660399353,5cyclictest33-21ksoftirqd/212:24:572
2660399352,6cyclictest33-21ksoftirqd/211:50:202
26603993520,4cyclictest33-21ksoftirqd/211:04:292
26603993517,9cyclictest33-21ksoftirqd/210:58:442
26603993516,9cyclictest33-21ksoftirqd/212:31:252
106891350,1ptp4l401ktimersoftd/312:46:173
106891350,1ptp4l401ktimersoftd/309:58:493
106891350,0ptp4l401ktimersoftd/313:44:543
106891350,0ptp4l401ktimersoftd/312:13:053
2660399345,6cyclictest33-21ksoftirqd/209:13:482
2660399345,5cyclictest33-21ksoftirqd/209:43:502
2660399345,5cyclictest33-21ksoftirqd/209:43:502
2660399343,5cyclictest33-21ksoftirqd/213:13:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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