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2026-04-25 - 18:18
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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 Sat Apr 25, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2555921410,4sleep11757999cyclictest11:44:351
1068911110,41ptp4l401ktimersoftd/308:21:083
106891740,1ptp4l401ktimersoftd/312:07:463
106891690,1ptp4l401ktimersoftd/313:10:113
106891690,1ptp4l401ktimersoftd/312:13:483
106891680,1ptp4l401ktimersoftd/312:25:173
154152664,47sleep00-21swapper/008:19:250
106891660,2ptp4l19536-21kworker/3:113:44:033
290712630,2sleep20-21swapper/211:48:502
223902630,2sleep30-21swapper/311:41:083
106891610,1ptp4l401ktimersoftd/310:38:373
208402600,2sleep00-21swapper/012:13:370
1758799605,21cyclictest3934-21/usr/sbin/munin13:34:452
1758799600,23cyclictest9064-21/usr/sbin/munin13:39:482
1758799591,22cyclictest28983-21mailstats11:14:382
135562590,1sleep00-21swapper/013:11:540
1758799581,25cyclictest10695-21diskmemload12:37:562
106891580,1ptp4l401ktimersoftd/310:53:113
1758799571,23cyclictest17702-21irqstats12:09:342
106891570,1ptp4l401ktimersoftd/313:17:383
106891570,1ptp4l401ktimersoftd/312:31:323
106891570,1ptp4l401ktimersoftd/312:16:273
106891570,1ptp4l401ktimersoftd/309:24:263
1758799561,27cyclictest25890-21chrt12:18:532
1758799560,24cyclictest32505-21taskset12:59:082
1758799560,24cyclictest32505-21taskset12:59:082
1758799560,21cyclictest19149-21ssh11:04:402
1758799560,21cyclictest19149-21ssh11:04:402
17579995614,7cyclictest25-21ksoftirqd/110:39:281
134392560,2sleep10-21swapper/110:25:341
106891560,1ptp4l401ktimersoftd/311:32:253
1758799550,23cyclictest8056-21taskset10:15:582
1758799550,21cyclictest216492chrt12:47:112
293462540,2sleep00-21swapper/013:28:530
1758799540,26cyclictest24965-21chrt08:34:552
17579995413,6cyclictest25-21ksoftirqd/112:18:421
106891530,1ptp4l401ktimersoftd/310:23:383
1757999527,14cyclictest26196-21rm12:51:391
1757999527,14cyclictest26196-21rm12:51:391
106891520,2ptp4l9282-21kworker/3:211:38:483
1758799510,20cyclictest9898-21ssh11:29:272
17579995117,8cyclictest25-21ksoftirqd/110:49:431
17570995121,8cyclictest9-21ksoftirqd/008:54:280
17570995121,10cyclictest9-21ksoftirqd/012:24:310
1758799501,21cyclictest24225-21snmp_o5powerctl11:09:432
1757999506,13cyclictest3691-21rm12:29:211
1757999506,13cyclictest11133-21rm13:43:101
17579995013,6cyclictest25-21ksoftirqd/113:01:471
132692500,2sleep00-21swapper/011:32:140
1757999492,11cyclictest20502-21taskset10:34:131
17579994914,4cyclictest25-21ksoftirqd/110:39:051
1757999491,17cyclictest7154-21ssh11:25:051
1757999490,18cyclictest9592-21chrt12:01:011
106891490,2ptp4l9282-21kworker/3:211:10:013
1757999485,8cyclictest18096-21cut09:29:311
1757999480,12cyclictest3691-21ssh11:22:291
1757099487,9cyclictest9-21ksoftirqd/010:49:300
1757099487,9cyclictest27204-21idleruntime-cro11:14:150
1757099486,10cyclictest9-21ksoftirqd/010:44:320
1757099484,9cyclictest9-21ksoftirqd/011:39:330
1757099484,9cyclictest9-21ksoftirqd/010:34:330
1757099484,10cyclictest9-21ksoftirqd/013:29:360
17570994821,9cyclictest9-21ksoftirqd/012:14:280
17570994816,8cyclictest9-21ksoftirqd/011:02:230
6162470,2sleep20-21swapper/211:52:232
1757999476,8cyclictest29373-21ls08:44:391
1757999476,8cyclictest19275-21/usr/sbin/munin11:04:411
1757999476,8cyclictest19275-21/usr/sbin/munin11:04:411
1757999475,7cyclictest17074-21cut12:09:311
1757999472,12cyclictest1554-21grep08:54:331
1757999471,13cyclictest32740-21ssh13:31:201
1757999470,17cyclictest24137-21ssh13:23:181
1757999470,17cyclictest21097-21chrt12:46:141
1757999470,13cyclictest28894-21ssh12:20:411
1757099475,8cyclictest10695-21diskmemload11:34:330
1757099474,10cyclictest9-21ksoftirqd/012:39:370
1757099473,8cyclictest9-21ksoftirqd/012:59:460
106891470,13ptp4l19536-21kworker/3:112:34:233
1757999464,7cyclictest103762chrt13:09:271
17579994611,6cyclictest25-21ksoftirqd/109:49:381
1757999461,12cyclictest30891-21ssh11:17:141
1757999461,12cyclictest22684-21ssh11:41:391
1757999461,12cyclictest1343-21chrt12:25:421
1757999460,12cyclictest15667-21ssh12:08:031
1757099467,4cyclictest24138-21apt09:44:130
1757099466,10cyclictest9-21ksoftirqd/011:19:310
1757099465,11cyclictest9-21ksoftirqd/012:09:160
1757099464,8cyclictest10121-21gpgv13:09:180
1757099463,5cyclictest26332-21ssh12:51:530
1757099463,5cyclictest26332-21ssh12:51:530
1757099462,7cyclictest14648-21munin-plugin-st09:24:120
1757099462,6cyclictest2552-21ssh11:54:320
106891460,2ptp4l14859-21kworker/3:108:49:533
106891460,10ptp4l401ktimersoftd/310:07:383
1757999458,6cyclictest25-21ksoftirqd/113:24:451
1757999458,6cyclictest25-21ksoftirqd/109:16:241
1757999455,8cyclictest30018-21ssh12:54:491
1757999455,8cyclictest30018-21ssh12:54:491
17579994512,6cyclictest25-21ksoftirqd/113:49:481
1757999451,13cyclictest8530-21ssh13:07:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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