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2026-06-21 - 15:25
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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 Sun Jun 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
823721760,5sleep01029299cyclictest13:44:560
1267221690,4sleep11029799cyclictest13:49:071
1267221690,4sleep11029799cyclictest13:49:071
1068911570,8ptp4l2932-21kworker/3:208:51:113
1998521540,4sleep21030299cyclictest09:11:092
1750321540,4sleep31031299cyclictest13:54:023
3168621520,4sleep31031299cyclictest12:29:073
92172980,5sleep233-21ksoftirqd/208:51:032
106891700,10ptp4l401ktimersoftd/311:22:083
106891690,9ptp4l401ktimersoftd/311:29:473
106891680,1ptp4l401ktimersoftd/311:35:453
81722670,2sleep20-21swapper/211:31:162
208042650,5sleep220806-21latency_hist11:45:462
100922604,45sleep00-21swapper/008:54:290
251362590,3sleep11029799cyclictest14:01:111
287022570,2sleep20-21swapper/214:06:022
106891560,1ptp4l401ktimersoftd/309:57:533
302272530,1sleep00-21swapper/013:01:040
310342520,2sleep10-21swapper/111:21:401
307722490,1sleep30-21swapper/313:34:393
1029299444,19cyclictest21385-21sed09:16:000
193732420,4sleep119371-21fschecks_count11:11:001
91202393,22sleep18062-21/usr/sbin/munin08:51:031
106891390,1ptp4l401ktimersoftd/312:37:233
106891390,1ptp4l401ktimersoftd/311:52:373
1031299392,33cyclictest24667-21sort10:31:003
1030299396,9cyclictest3838-21ssh10:55:552
106891380,1ptp4l401ktimersoftd/314:25:473
106891380,1ptp4l401ktimersoftd/314:18:133
106891380,1ptp4l401ktimersoftd/314:13:083
106891380,1ptp4l401ktimersoftd/313:42:553
106891380,1ptp4l401ktimersoftd/313:36:103
106891380,1ptp4l401ktimersoftd/313:11:343
106891380,1ptp4l401ktimersoftd/312:16:353
106891380,1ptp4l401ktimersoftd/312:07:103
106891380,1ptp4l401ktimersoftd/309:25:433
10312993814,20cyclictest18340-21sh12:48:193
10312993813,21cyclictest19791-21expr10:20:593
10312993813,21cyclictest19791-21expr10:20:593
106891370,1ptp4l401ktimersoftd/314:05:563
106891370,1ptp4l401ktimersoftd/314:04:173
106891370,1ptp4l401ktimersoftd/313:22:133
106891370,1ptp4l401ktimersoftd/313:05:023
106891370,1ptp4l401ktimersoftd/312:55:043
106891370,1ptp4l401ktimersoftd/312:40:503
106891370,1ptp4l401ktimersoftd/311:58:183
106891370,1ptp4l401ktimersoftd/311:12:393
106891370,1ptp4l401ktimersoftd/311:02:563
106891370,1ptp4l401ktimersoftd/310:58:103
106891370,0ptp4l401ktimersoftd/311:45:203
106891360,1ptp4l401ktimersoftd/313:27:383
106891360,1ptp4l401ktimersoftd/313:17:043
106891360,1ptp4l401ktimersoftd/312:59:223
106891360,1ptp4l401ktimersoftd/312:15:063
106891360,1ptp4l401ktimersoftd/311:47:543
106891360,1ptp4l401ktimersoftd/311:15:563
106891360,0ptp4l401ktimersoftd/313:49:073
106891360,0ptp4l401ktimersoftd/313:49:073
106891360,0ptp4l401ktimersoftd/312:24:033
1030299363,8cyclictest1126-21ssh14:11:012
106891350,7ptp4l401ktimersoftd/311:07:303
106891350,0ptp4l401ktimersoftd/313:59:473
106891340,1ptp4l401ktimersoftd/313:10:303
1031299333,8cyclictest31420-21apt-get10:45:583
1031299331,7cyclictest46850irq/99-ens3-TxR11:35:593
10312993312,4cyclictest22989-21latency_hist09:20:433
10312993312,3cyclictest13651-21sed09:00:473
10312993311,3cyclictest5176-21cat09:50:573
106891320,1ptp4l401ktimersoftd/310:29:283
106891320,1ptp4l401ktimersoftd/310:29:283
10312993213,16cyclictest3604-21df12:01:013
10312993213,16cyclictest3604-21df12:01:013
1031299319,4cyclictest17970-21irqrtprio10:16:043
1031299310,10cyclictest28506-21gltestperf09:30:583
81622300,1sleep00-21swapper/009:56:000
1031299309,3cyclictest1913-21if_enp1s0.110:51:033
1031299308,3cyclictest30138-21phc2sys10:41:053
1031299308,3cyclictest11119-21if_ens308:56:003
1031299306,4cyclictest10456-21gltestperf10:01:003
1030299303,3cyclictest121rcu_preempt11:26:522
1029799303,16cyclictest14138-21ssh11:05:551
1029299306,14cyclictest21149-21ssh11:45:590
1031299299,3cyclictest26931-21entropy10:35:593
1031299298,3cyclictest2109-21seq09:41:583
1031299290,3cyclictest20610-21cron09:15:433
1031299289,3cyclictest16292-21cpuspeed_turbos09:05:563
10302992721,3cyclictest33-21ksoftirqd/210:25:482
10302992721,3cyclictest33-21ksoftirqd/210:25:482
10302992721,3cyclictest33-21ksoftirqd/209:44:292
10297992722,3cyclictest25-21ksoftirqd/112:10:471
10297992722,3cyclictest25-21ksoftirqd/109:00:431
10297992721,3cyclictest25-21ksoftirqd/112:51:161
10297992721,3cyclictest25-21ksoftirqd/112:25:471
10297992720,4cyclictest25-21ksoftirqd/113:58:071
10292992721,3cyclictest9-21ksoftirqd/011:44:070
10302992620,3cyclictest33-21ksoftirqd/214:16:382
10302992620,3cyclictest33-21ksoftirqd/212:13:422
10302992620,3cyclictest33-21ksoftirqd/209:25:512
10302992619,4cyclictest33-21ksoftirqd/213:56:122
10302992619,4cyclictest33-21ksoftirqd/209:45:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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