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2026-08-25 - 21:17
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackeslot8.osadl.org (updated Tue Aug 25, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3738072330,2sleep30-21swapper/312:10:463
4121156992623,1cyclictest0-21swapper/307:20:283
4121156992522,1cyclictest0-21swapper/312:20:203
4121156992522,1cyclictest0-21swapper/307:10:193
4121156992521,1cyclictest0-21swapper/311:00:163
4121156992421,1cyclictest0-21swapper/311:00:003
4121156992421,1cyclictest0-21swapper/310:20:273
4121156992421,1cyclictest0-21swapper/308:20:013
412115699231,17cyclictest161515-21taskset09:56:303
4121156992219,1cyclictest0-21swapper/312:01:043
4121156992219,1cyclictest0-21swapper/309:30:153
4121156992219,1cyclictest0-21swapper/309:00:233
412115699221,15cyclictest4194257-21taskset08:05:003
4121156992118,1cyclictest0-21swapper/311:21:033
4121156992118,1cyclictest0-21swapper/308:00:013
4121156992118,1cyclictest0-21swapper/307:40:033
412115699211,15cyclictest45671-21chrt08:40:123
4121156992017,1cyclictest0-21swapper/310:40:203
4121156992017,1cyclictest0-21swapper/309:40:143
4121156992017,1cyclictest0-21swapper/309:05:163
4121156992017,1cyclictest0-21swapper/308:20:553
412115699201,13cyclictest123691-21taskset09:35:013
4121156991917,1cyclictest0-21swapper/309:20:013
4121156991917,1cyclictest0-21swapper/309:20:003
4121156991916,1cyclictest0-21swapper/311:40:263
4121156991916,1cyclictest0-21swapper/311:40:003
4121156991916,1cyclictest0-21swapper/310:15:133
412115699191,15cyclictest399281-21taskset12:30:143
412115699191,14cyclictest281583-21taskset11:15:173
412115699191,14cyclictest169137-21taskset10:00:393
412115699191,14cyclictest110027-21taskset09:25:193
412115699191,13cyclictest304429-21taskset11:29:563
412115699191,13cyclictest178782-21taskset10:10:013
4121156991910,7cyclictest3674312sleep312:09:543
4121156991815,1cyclictest0-21swapper/310:50:253
4121156991815,1cyclictest0-21swapper/309:46:313
4121156991815,1cyclictest0-21swapper/308:55:163
4121156991815,1cyclictest0-21swapper/307:45:203
4121156991813,2cyclictest6779-21sleep08:10:003
412115699181,13cyclictest90541-21taskset09:11:113
412115699181,13cyclictest4157749-21taskset07:35:183
412115699181,13cyclictest398221-21taskset12:28:093
412115699181,13cyclictest381251-21taskset12:15:263
412115699181,13cyclictest280495-21taskset11:14:203
412115699181,13cyclictest270716-21chrt11:05:223
412115699181,13cyclictest202862-21taskset10:25:173
412115699181,13cyclictest12825-21taskset08:10:503
412115699172,12cyclictest45126-21taskset08:37:123
412115699172,12cyclictest153622-21taskset09:51:333
4121156991714,1cyclictest0-21swapper/312:35:253
4121156991714,1cyclictest0-21swapper/310:35:163
4121156991713,1cyclictest0-21swapper/309:20:133
412115699171,13cyclictest4155341-21taskset07:33:013
412115699171,13cyclictest4136052-21taskset07:19:103
412115699171,13cyclictest344111-21taskset11:55:103
412115699171,13cyclictest328993-21taskset11:45:153
412115699171,12cyclictest52117-21taskset08:45:053
412115699171,12cyclictest4175179-21chrt07:50:133
412115699171,12cyclictest4175179-21chrt07:50:133
412115699171,12cyclictest4148721-21taskset07:25:403
412115699171,12cyclictest38633-21taskset08:31:063
412115699171,12cyclictest336246-21taskset11:50:083
412115699171,12cyclictest233926-21taskset10:45:093
412115699166,7cyclictest2102612sleep310:30:033
412115699161,12cyclictest64313-21taskset08:50:393
412115699161,12cyclictest311023-21taskset11:31:203
412115699161,11cyclictest26407-21taskset08:25:133
4121156991512,1cyclictest0-21swapper/310:05:203
2274802151,6sleep1225755-21sendmail-msp10:40:191
3521932140,10sleep2352312-21perl12:00:162
18709621410,2sleep0187382-21irqcore10:15:160
1384662141,10sleep2138470-21ssh09:42:472
41673552133,7sleep24162028-21sendmail-msp07:40:232
41626562131,8sleep14162766-21irqcore07:40:191
4121156991311,1cyclictest0-21swapper/307:10:023
781752120,9sleep178333-21/usr/sbin/munin09:05:171
41557702121,8sleep04155803-21apt-get07:35:120
41361162121,8sleep04136177-21sendmail-msp07:20:000
41227522120,8sleep04124179-21grep07:10:220
41208872120,9sleep04120889-21sshd-auth07:08:100
3049612120,9sleep0305167-21hddtemp_smartct11:30:150
2628282121,3sleep2222-21plymouthd11:00:252
2076822120,4sleep0207776-21ntpq10:25:230
3835292111,7sleep1383192-21sendmail-msp12:20:141
2825082111,7sleep0282509-21kthreadcore11:15:180
1307472110,4sleep0130753-21ssh09:38:240
1160072111,7sleep0116011-21apt-get09:30:150
912082100,7sleep191214-21ssh09:13:031
767642100,8sleep087-1kworker/0:1H+kblockd09:00:270
579942100,3sleep0222-21plymouthd08:46:520
4138202100,3sleep1413826-21ssh12:37:501
4054452100,1sleep00-21swapper/012:31:200
3887572101,2sleep2222-21plymouthd12:20:232
3666142100,7sleep2366620-21ssh12:07:402
316722100,8sleep131702-21ld08:25:241
2893782101,6sleep2288668-21sendmail-msp11:20:172
2636842100,2sleep1222-21plymouthd11:01:081
2314112100,7sleep2231440-21ssh10:40:242
2001232100,1sleep0221rcuc/010:20:250
1881122101,6sleep2189498-21kthreadcore10:15:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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