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2026-07-06 - 12:57
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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 Mon Jul 06, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56037221400,5sleep1321rcuc/121:40:001
39222121320,3sleep2421rcuc/219:35:182
357344993532,1cyclictest0-21swapper/300:00:163
357344993027,1cyclictest0-21swapper/320:05:013
357344993026,1cyclictest0-21swapper/319:40:013
357344992724,1cyclictest0-21swapper/321:05:003
357344992724,1cyclictest0-21swapper/321:05:003
357344992623,1cyclictest0-21swapper/321:40:073
357344992522,1cyclictest0-21swapper/321:10:153
357344992421,1cyclictest0-21swapper/322:19:593
357344992421,1cyclictest0-21swapper/320:20:003
357344992118,1cyclictest0-21swapper/320:55:173
357344992118,1cyclictest0-21swapper/300:20:173
357344992116,3cyclictest591515-21sleep22:00:003
35734499211,15cyclictest493742-21taskset20:51:323
357344992110,7cyclictest779402-21turbostat00:00:003
35734499202,13cyclictest834169-21taskset00:34:563
357344992017,1cyclictest0-21swapper/322:31:173
357344992017,1cyclictest0-21swapper/322:00:143
357344992017,1cyclictest0-21swapper/319:15:163
35734499201,15cyclictest599912-21taskset22:05:163
35734499201,15cyclictest363497-21taskset19:12:573
35734499201,14cyclictest809391-21taskset00:16:163
35734499201,14cyclictest809391-21taskset00:16:153
357344991916,1cyclictest0-21swapper/321:20:013
357344991916,1cyclictest0-21swapper/319:20:083
357344991916,1cyclictest0-21swapper/300:40:003
357344991915,1cyclictest0-21swapper/320:20:193
35734499191,14cyclictest755073-21taskset23:42:443
35734499191,14cyclictest716457-21taskset23:19:103
35734499191,14cyclictest677434-21taskset22:54:373
35734499191,14cyclictest461269-21taskset20:25:263
357344991816,1cyclictest0-21swapper/322:20:033
357344991816,1cyclictest0-21swapper/300:10:213
357344991816,0cyclictest0-21swapper/321:30:173
357344991815,1cyclictest0-21swapper/323:35:003
357344991815,1cyclictest0-21swapper/323:05:293
357344991815,1cyclictest0-21swapper/322:40:153
357344991815,1cyclictest0-21swapper/321:35:243
357344991815,1cyclictest0-21swapper/321:20:113
35734499181,14cyclictest723339-21taskset23:21:263
35734499181,14cyclictest708188-21taskset23:12:563
35734499181,14cyclictest638265-21taskset22:29:263
35734499181,14cyclictest574330-21taskset21:45:533
35734499181,13cyclictest793933-21taskset00:06:453
35734499181,13cyclictest770049-21taskset23:50:463
35734499181,13cyclictest685440-21sleep23:04:543
35734499181,13cyclictest662281-21taskset22:45:063
35734499181,13cyclictest662281-21taskset22:45:063
35734499181,13cyclictest487523-21taskset20:48:393
35734499181,13cyclictest480259-21taskset20:40:213
35734499181,13cyclictest474443-21taskset20:35:403
35734499181,13cyclictest442389-21taskset20:10:393
35734499181,13cyclictest430424-21taskset20:05:123
35734499181,13cyclictest390455-21taskset19:30:223
35734499181,12cyclictest607210-21sleep22:14:563
35734499172,12cyclictest384847-21taskset19:27:333
357344991714,1cyclictest0-21swapper/319:55:263
357344991714,1cyclictest0-21swapper/319:45:173
35734499171,13cyclictest762792-21taskset23:47:173
35734499171,13cyclictest746520-21taskset23:35:423
35734499171,13cyclictest731563-21taskset23:27:403
35734499171,13cyclictest581382-21taskset21:50:223
35734499171,13cyclictest537020-21taskset21:25:043
35734499171,13cyclictest512952-21taskset21:05:433
35734499171,13cyclictest512952-21taskset21:05:423
35734499171,13cyclictest416810-21taskset19:51:303
35734499171,12cyclictest824926-21taskset00:25:543
35734499171,12cyclictest824926-21taskset00:25:533
35734499171,12cyclictest677965-21chrt22:55:133
35734499171,12cyclictest468223-21taskset20:32:483
6544782161,11sleep2654155-21sendmail-msp22:40:132
4224982161,11sleep0422544-21ntpq19:55:210
35734499161,11cyclictest646570-21taskset22:35:043
35734499161,11cyclictest646570-21taskset22:35:043
35734499161,11cyclictest404011-21taskset19:41:163
7931052150,2sleep00-21swapper/000:05:270
4370582151,11sleep1437141-21ps20:10:181
6369192141,10sleep2636925-21ssh22:25:422
4237662141,6sleep2423550-21sendmail-msp20:00:042
3981642141,1sleep10-21swapper/119:40:151
35734499141,10cyclictest357448-21chrt19:10:013
7797542131,8sleep2779440-21sendmail-msp00:00:122
7692842133,6sleep2769325-21ntpq23:50:222
6293742130,10sleep1629377-21sh22:21:241
8333732120,9sleep1833379-21ssh00:32:391
8034822120,9sleep2803678-21basename00:15:162
8034822120,9sleep2803678-21basename00:15:152
5514842120,9sleep0551490-21ssh21:32:310
4555482120,8sleep1455560-21unix_chkpwd20:25:011
4352932120,4sleep1435433-21ntpq20:05:211
3916932120,4sleep0391431-21apt-get19:35:040
7793652111,7sleep2779394-21unix_chkpwd23:59:592
7086732110,3sleep1708678-21sh23:14:201
7008882111,3sleep1222-21plymouthd23:09:311
6676462110,8sleep0667684-21ld22:45:240
6676462110,8sleep0667684-21ld22:45:230
6384672110,8sleep1638473-21ssh22:29:581
6071692111,6sleep1607224-21munin-run22:10:011
4675832111,7sleep0467705-21python320:30:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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