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2026-05-12 - 14:29
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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 May 12, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2102856992825,1cyclictest0-21swapper/323:45:173
23042972270,1sleep20-21swapper/221:35:192
2102856992724,1cyclictest0-21swapper/323:20:043
2102856992624,1cyclictest0-21swapper/321:20:013
2102856992522,1cyclictest0-21swapper/322:35:273
2102856992522,1cyclictest0-21swapper/321:05:013
2102856992522,1cyclictest0-21swapper/320:45:013
2102856992320,1cyclictest0-21swapper/300:35:003
2102856992320,1cyclictest0-21swapper/300:20:253
2102856992219,1cyclictest0-21swapper/322:10:013
2102856992219,1cyclictest0-21swapper/322:00:003
2102856992219,1cyclictest0-21swapper/321:50:003
210285699221,15cyclictest2201664-21taskset20:25:013
25045372210,1sleep10-21swapper/123:45:001
23382232211,11sleep12338229-21ssh21:59:301
2102856992118,1cyclictest0-21swapper/319:25:013
2102856992118,1cyclictest0-21swapper/319:19:593
210285699211,15cyclictest2137378-21taskset19:35:023
210285699211,15cyclictest2137378-21taskset19:35:013
210285699211,14cyclictest2175779-21taskset20:05:003
2102856992017,1cyclictest0-21swapper/321:40:033
2102856992017,1cyclictest0-21swapper/321:30:013
2102856992017,1cyclictest0-21swapper/321:30:003
210285699201,15cyclictest2452928-21taskset23:10:193
210285699201,14cyclictest2559868-21turbostat00:20:003
210285699201,14cyclictest2425467-21taskset22:54:553
210285699201,14cyclictest2169138-21taskset19:58:033
210285699192,13cyclictest2543066-21taskset00:07:283
2102856991917,1cyclictest0-21swapper/323:40:053
2102856991916,1cyclictest0-21swapper/323:25:183
2102856991916,1cyclictest0-21swapper/322:45:163
2102856991916,1cyclictest0-21swapper/322:20:013
2102856991916,1cyclictest0-21swapper/322:00:193
2102856991916,1cyclictest0-21swapper/320:15:163
2102856991916,1cyclictest0-21swapper/300:00:163
2102856991915,1cyclictest0-21swapper/321:40:003
210285699191,14cyclictest2575536-21taskset00:29:373
210285699191,14cyclictest2549557-21taskset00:10:203
210285699191,14cyclictest2489010-21taskset23:35:083
210285699191,14cyclictest2393191-21taskset22:33:223
210285699191,14cyclictest2360077-21taskset22:10:243
210285699191,13cyclictest2520471-21taskset23:55:013
210285699191,13cyclictest2130961-21taskset19:30:013
2102856991815,1cyclictest0-21swapper/323:50:243
2102856991815,1cyclictest0-21swapper/323:05:253
2102856991815,1cyclictest0-21swapper/323:05:243
2102856991815,1cyclictest0-21swapper/321:30:183
210285699181,13cyclictest2433789-21taskset23:00:133
210285699181,13cyclictest2433789-21taskset23:00:123
210285699181,13cyclictest2407994-21taskset22:40:313
210285699181,13cyclictest2266387-21taskset21:12:513
210285699181,13cyclictest2254965-21taskset21:05:193
210285699181,13cyclictest2187599-21taskset20:10:223
210285699181,12cyclictest2103079-21chrt19:10:133
2102856991715,1cyclictest0-21swapper/321:20:153
2102856991714,1cyclictest0-21swapper/322:25:203
2102856991714,1cyclictest0-21swapper/322:20:153
2102856991714,1cyclictest0-21swapper/320:55:223
210285699171,13cyclictest2233260-21taskset20:46:493
210285699171,13cyclictest2213875-21taskset20:30:393
210285699171,13cyclictest2201310-21taskset20:23:453
210285699171,13cyclictest2124577-21taskset19:25:073
210285699171,12cyclictest2589859-21taskset00:35:313
210285699171,12cyclictest2487395-21taskset23:31:243
210285699171,12cyclictest2457324-21taskset23:15:033
210285699171,12cyclictest2425774-21taskset22:55:043
210285699171,12cyclictest2329323-21taskset21:51:413
210285699171,12cyclictest2219750-21taskset20:35:233
210285699171,12cyclictest2156112-21taskset19:45:533
2102856991613,1cyclictest0-21swapper/319:40:173
210285699161,12cyclictest2162120-21taskset19:50:253
210285699161,11cyclictest2233771-21taskset20:50:113
210285699160,12cyclictest2181183-21taskset20:05:213
20966202160,2sleep30-21swapper/319:05:053
129998160,10rtkit-daemon2187682-21ntpq20:10:242
24235452151,10sleep12423661-21cat22:50:301
24232102151,11sleep02423270-21/usr/sbin/munin22:50:250
24048462140,4sleep12406717-21tr22:40:191
23224002140,10sleep22322408-21ssh21:49:332
22489682140,4sleep02250782-21cut21:00:180
21940712141,9sleep02194112-21ntpq20:15:240
21312792141,4sleep02131437-21/usr/sbin/munin19:30:140
25507712131,9sleep12550776-21ssh00:11:591
25044572130,10sleep02504536-21sed23:45:000
129998130,9rtkit-daemon2468813-21cut23:20:172
129998130,8rtkit-daemon2492407-21tr23:35:181
25746142120,9sleep22574620-21ssh00:27:052
24007542120,4sleep22400760-21ssh22:37:242
23841722120,9sleep02384332-21vmstat22:25:300
23546292121,3sleep22354663-21apt-get22:10:122
22416232121,8sleep12243249-21cut20:55:191
129998120,4rtkit-daemon703-21mta-sts-daemon20:37:472
25836962110,2sleep12583382-21kworker/u16:3+ext4-rsv-conversion00:35:011
25617482110,8sleep22563330-21ssh00:20:182
23843342110,8sleep12384340-21ssh22:25:321
22338092112,5sleep12233806-21apt-get20:50:131
22038202110,1sleep00-21swapper/020:25:190
129998110,7rtkit-daemon2535415-21sh00:03:090
129998110,7rtkit-daemon1000-21snmpd00:18:221
129998110,4rtkit-daemon703-21mta-sts-daemon19:54:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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