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2026-03-12 - 02:18
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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 Mar 11, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3159821530,4sleep0339499cyclictest08:54:370
106891970,4ptp4l401ktimersoftd/307:56:363
106891660,1ptp4l401ktimersoftd/310:58:303
31232654,10sleep00-21swapper/007:57:040
182382650,4sleep233-21ksoftirqd/211:58:392
242932640,5sleep124287-21apt-get10:59:321
298732630,2sleep20-21swapper/211:36:592
106891630,1ptp4l401ktimersoftd/311:32:183
106891610,1ptp4l401ktimersoftd/310:17:093
10172610,5sleep31020-21unixbench_multi11:39:493
106891590,1ptp4l401ktimersoftd/311:03:443
200642570,2sleep00-21swapper/010:22:090
106891570,1ptp4l401ktimersoftd/310:01:563
106891560,1ptp4l401ktimersoftd/312:22:203
3406995531,4cyclictest33-21ksoftirqd/212:39:542
97552540,2sleep00-21swapper/011:49:380
299542530,1sleep30-21swapper/310:31:443
106891530,1ptp4l401ktimersoftd/312:47:343
106891530,1ptp4l401ktimersoftd/308:24:023
211552520,2sleep10-21swapper/110:23:591
3406995143,4cyclictest33-21ksoftirqd/209:24:312
3406995142,5cyclictest33-21ksoftirqd/211:14:322
110242500,2sleep00-21swapper/011:18:540
3406994941,5cyclictest33-21ksoftirqd/208:29:312
3406994921,11cyclictest33-21ksoftirqd/212:59:422
340099494,4cyclictest11520-21idleruntime-cro13:29:241
106891490,1ptp4l401ktimersoftd/311:04:463
3406994841,4cyclictest33-21ksoftirqd/208:09:302
3406994739,4cyclictest33-21ksoftirqd/210:44:312
3406994730,9cyclictest33-21ksoftirqd/211:59:382
3406994722,4cyclictest33-21ksoftirqd/208:44:352
3406994721,4cyclictest33-21ksoftirqd/212:54:412
340699470,3cyclictest121rcu_preempt10:24:252
106891470,2ptp4l8096-21kworker/3:112:58:373
106891470,0ptp4l401ktimersoftd/308:29:503
3406994640,3cyclictest33-21ksoftirqd/212:04:272
3406994621,15cyclictest33-21ksoftirqd/212:09:392
106891460,1ptp4l401ktimersoftd/311:38:133
3406994539,4cyclictest33-21ksoftirqd/212:24:282
3406994519,4cyclictest33-21ksoftirqd/210:39:432
3406994420,7cyclictest33-21ksoftirqd/210:19:332
3406994414,6cyclictest33-21ksoftirqd/211:54:232
3412994334,4cyclictest41-21ksoftirqd/312:59:363
3406994336,3cyclictest321ktimersoftd/209:39:362
3406994318,4cyclictest33-21ksoftirqd/211:39:392
3406994318,4cyclictest33-21ksoftirqd/211:24:422
3406994318,4cyclictest33-21ksoftirqd/209:44:402
340699429,7cyclictest33-21ksoftirqd/211:09:402
3406994218,7cyclictest33-21ksoftirqd/209:49:422
3406994217,4cyclictest33-21ksoftirqd/212:35:532
3406994212,9cyclictest33-21ksoftirqd/209:34:472
340699416,7cyclictest33-21ksoftirqd/212:44:372
3406994135,3cyclictest8796-21basename11:49:222
3406994134,4cyclictest7391-21cron09:14:192
3406994117,4cyclictest33-21ksoftirqd/213:24:422
340699403,4cyclictest33-21ksoftirqd/210:54:342
340699402,3cyclictest33-21ksoftirqd/212:14:452
340699402,3cyclictest33-21ksoftirqd/211:19:492
3406994016,4cyclictest33-21ksoftirqd/209:19:192
106891400,1ptp4l401ktimersoftd/313:25:423
106891400,1ptp4l401ktimersoftd/312:41:563
340699399,9cyclictest33-21ksoftirqd/213:09:422
3406993925,3cyclictest33-21ksoftirqd/210:14:482
3406993924,12cyclictest33-21ksoftirqd/208:29:172
3406993924,12cyclictest33-21ksoftirqd/208:29:172
340699391,7cyclictest33-21ksoftirqd/210:04:202
3406993916,7cyclictest33-21ksoftirqd/211:05:392
3406993910,10cyclictest33-21ksoftirqd/212:49:432
340699390,3cyclictest33-21ksoftirqd/212:19:372
106891390,1ptp4l401ktimersoftd/312:49:443
106891390,1ptp4l401ktimersoftd/310:11:083
106891390,1ptp4l401ktimersoftd/310:11:083
3412993822,9cyclictest46850irq/99-ens3-TxR11:24:343
340699389,4cyclictest33-21ksoftirqd/209:54:372
340699382,7cyclictest33-21ksoftirqd/213:19:332
3406993826,9cyclictest33-21ksoftirqd/212:34:242
3406993825,9cyclictest33-21ksoftirqd/210:59:372
3406993825,3cyclictest33-21ksoftirqd/210:34:432
340699382,31cyclictest8761-21cat08:09:172
340699381,6cyclictest5771-21munin-node08:04:172
18272384,15sleep21162-21/usr/sbin/munin07:54:362
106891380,1ptp4l401ktimersoftd/312:31:103
106891380,1ptp4l401ktimersoftd/311:18:503
340699378,5cyclictest33-21ksoftirqd/213:14:402
3406993727,3cyclictest33-21ksoftirqd/210:49:422
3406993722,4cyclictest33-21ksoftirqd/210:29:392
3406993721,3cyclictest33-21ksoftirqd/210:10:392
3406993721,3cyclictest33-21ksoftirqd/210:10:392
3406993716,7cyclictest33-21ksoftirqd/208:34:432
106891370,1ptp4l401ktimersoftd/313:24:163
106891370,1ptp4l401ktimersoftd/313:15:023
106891370,1ptp4l401ktimersoftd/313:11:253
106891370,1ptp4l401ktimersoftd/312:15:023
106891370,1ptp4l401ktimersoftd/312:12:583
106891370,1ptp4l401ktimersoftd/312:01:523
106891370,1ptp4l401ktimersoftd/311:57:533
106891370,1ptp4l401ktimersoftd/311:47:073
106891370,1ptp4l401ktimersoftd/310:51:343
106891370,1ptp4l401ktimersoftd/310:43:503
106891370,1ptp4l401ktimersoftd/310:26:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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