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2026-05-30 - 07:38
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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 Sat May 30, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
400294022330,2sleep01-21systemd21:50:000
381344521130,2sleep0221rcuc/019:30:120
3785435992623,1cyclictest0-21swapper/322:20:203
39946542240,1sleep00-21swapper/021:43:350
3785435992421,1cyclictest0-21swapper/320:20:043
3785435992421,1cyclictest0-21swapper/300:30:233
3785435992320,1cyclictest0-21swapper/320:40:013
399758022216,3sleep2222-21plymouthd21:45:182
378543599221,16cyclictest3791834-21taskset19:15:003
3785435992119,1cyclictest0-21swapper/321:45:013
3785435992118,1cyclictest0-21swapper/322:35:263
3785435992118,1cyclictest0-21swapper/300:15:003
378543599211,15cyclictest47848-21taskset00:20:433
378543599208,8cyclictest38000692sleep319:17:013
378543599201,15cyclictest4032988-21taskset22:07:073
378543599201,14cyclictest9675-21taskset23:57:413
378543599201,14cyclictest4003266-21chrt21:50:113
378543599201,14cyclictest4002850-21taskset21:49:553
378543599201,14cyclictest3870574-21taskset20:14:173
378543599201,14cyclictest3825815-21turbostat19:40:003
378543599201,14cyclictest2737-21taskset23:55:013
378543599201,14cyclictest13088-21taskset00:00:183
378543599201,13cyclictest3813350-21chrt19:30:113
378543599198,7cyclictest41726932sleep323:37:543
3785435991917,1cyclictest0-21swapper/320:40:043
3785435991916,1cyclictest0-21swapper/320:25:173
3785435991915,1cyclictest0-21swapper/322:50:163
378543599191,14cyclictest4093742-21taskset22:45:203
378543599191,14cyclictest3956052-21taskset21:18:563
378543599191,14cyclictest3921364-21taskset20:50:263
378543599191,14cyclictest3851475-21turbostat20:00:003
378543599191,14cyclictest3831367-21taskset19:40:223
378543599191,14cyclictest18881-21taskset00:05:153
378543599191,13cyclictest40211-21taskset00:16:103
378543599191,13cyclictest3973659-21taskset21:30:153
378543599191,13cyclictest3964224-21sleep21:29:553
378543599182,12cyclictest3986105-21taskset21:36:123
3785435991815,1cyclictest0-21swapper/319:25:153
378543599181,14cyclictest4116971-21taskset23:00:203
378543599181,13cyclictest54918-21taskset00:25:243
378543599181,13cyclictest4188865-21taskset23:49:553
378543599181,13cyclictest4164834-21taskset23:32:273
378543599181,13cyclictest4148698-21taskset23:20:373
378543599181,13cyclictest4148698-21taskset23:20:373
378543599181,13cyclictest4135193-21taskset23:15:113
378543599181,13cyclictest4103961-21taskset22:55:073
378543599181,13cyclictest4086093-21taskset22:40:233
378543599181,13cyclictest4071647-21taskset22:31:493
378543599181,13cyclictest4024077-21chrt22:00:223
378543599181,13cyclictest3940001-21chrt21:05:213
378543599181,13cyclictest3928460-21taskset21:00:043
378543599181,13cyclictest3895939-21taskset20:31:053
378543599181,13cyclictest3863915-21taskset20:06:083
378543599181,13cyclictest3838993-21taskset19:50:123
378543599181,13cyclictest3800575-21taskset19:20:013
3785435991715,1cyclictest0-21swapper/322:25:503
3785435991714,1cyclictest0-21swapper/323:40:193
3785435991714,1cyclictest0-21swapper/323:05:253
3785435991714,1cyclictest0-21swapper/321:55:153
3785435991714,1cyclictest0-21swapper/321:15:003
378543599171,13cyclictest4133088-21taskset23:10:263
378543599171,13cyclictest3927883-21taskset20:56:113
378543599171,12cyclictest65051-21taskset00:35:103
378543599171,12cyclictest4042187-21taskset22:15:133
378543599171,12cyclictest3956762-21taskset21:20:083
378543599171,12cyclictest3909305-21taskset20:45:083
378543599170,13cyclictest4157458-21taskset23:28:383
378543599170,13cyclictest3857684-21taskset20:03:073
3785435991614,1cyclictest0-21swapper/320:15:183
378543599161,12cyclictest3838329-21taskset19:45:273
378543599160,12cyclictest4034206-21taskset22:10:043
40184272151,5sleep14018488-21sendmail-msp22:00:011
39795252151,8sleep23979529-21ssh21:34:362
98172131,8sleep19822-21sshd-session23:58:121
638802130,9sleep163884-21ssh00:32:241
41268072138,2sleep24126813-21ssh23:09:422
41172842135,5sleep04117499-21grep23:00:260
40953762131,9sleep14095382-21ssh22:48:281
40256732131,3sleep24025679-21ssh22:03:272
39478452131,9sleep23947851-21ssh21:12:352
264462131,3sleep026483-21apt-get00:10:140
85972121,8sleep08860-21grep23:55:270
41719062120,5sleep14171910-21ssh23:35:351
40648242121,9sleep00-21swapper/022:29:430
40103552120,8sleep14010359-21ssh21:53:591
39775082121,8sleep03977558-21ntpq21:30:210
38096132120,9sleep13811469-21cut19:25:171
38001382120,2sleep00-21swapper/019:17:550
41880492111,7sleep14188055-21ssh23:47:301
41650012110,8sleep24165007-21ssh23:33:032
41427372111,6sleep14142743-21ssh23:20:111
41427372111,6sleep14142743-21ssh23:20:111
40280782110,8sleep14029673-21cut22:05:181
39234792111,6sleep13924610-21kthreadcore20:55:181
38531392110,8sleep03854517-21cut20:00:160
38260602111,3sleep2222-21plymouthd19:40:022
21382111,6sleep12147-21ssh23:53:231
120822111,7sleep213086-21cut00:00:182
715002100,7sleep171502-21ssh00:37:051
704572101,5sleep070488-21ntpq00:35:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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