You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-28 - 17:08
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 Apr 28, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20419472290,8sleep12041950-21irqrtprio23:45:181
1643932992724,1cyclictest0-21swapper/322:40:003
1643932992623,1cyclictest0-21swapper/322:50:003
1643932992623,1cyclictest0-21swapper/322:45:003
1643932992617,6cyclictest1970888-21sleep23:00:013
1643932992420,1cyclictest0-21swapper/321:05:013
21104782221,12sleep22110484-21ssh00:29:462
1643932992219,1cyclictest0-21swapper/321:40:003
1643932992219,1cyclictest0-21swapper/300:35:193
1643932992118,1cyclictest0-21swapper/321:15:133
164393299202,14cyclictest2117610-21taskset00:32:473
1643932992017,1cyclictest0-21swapper/323:15:003
1643932992017,1cyclictest0-21swapper/323:15:003
1643932992017,1cyclictest0-21swapper/322:30:183
164393299201,15cyclictest1884510-21taskset22:01:563
164393299201,15cyclictest1770966-21taskset20:45:193
164393299192,13cyclictest1689916-21taskset19:40:203
164393299192,13cyclictest1689916-21taskset19:40:203
164393299192,12cyclictest2103163-21taskset00:25:133
1643932991916,1cyclictest0-21swapper/323:35:183
1643932991916,1cyclictest0-21swapper/321:50:003
1643932991916,1cyclictest0-21swapper/321:25:003
1643932991916,1cyclictest0-21swapper/319:15:003
164393299191,5cyclictest1710325-21turbostat20:00:013
164393299191,14cyclictest2063215-21taskset23:57:513
164393299191,13cyclictest1915654-21chrt22:22:293
129998190,6rtkit-daemon1677507-21/usr/sbin/munin19:30:250
18068702181,9sleep21806876-21ssh21:11:452
164393299187,7cyclictest20086742sleep323:22:363
164393299182,12cyclictest2047841-21taskset23:48:303
1643932991816,1cyclictest0-21swapper/321:25:163
1643932991815,1cyclictest0-21swapper/323:00:023
1643932991815,1cyclictest0-21swapper/322:15:183
1643932991815,1cyclictest0-21swapper/321:30:133
1643932991815,1cyclictest0-21swapper/300:20:183
1643932991815,1cyclictest0-21swapper/300:15:013
164393299181,13cyclictest2038575-21taskset23:40:233
164393299181,13cyclictest1806583-21taskset21:10:573
164393299181,13cyclictest1722796-21taskset20:05:353
164393299181,13cyclictest1684170-21taskset19:35:393
164393299181,13cyclictest1667187-21taskset19:25:173
164393299181,12cyclictest1761986-21chrt20:40:143
164393299172,12cyclictest1733595-21taskset20:15:203
1643932991714,1cyclictest0-21swapper/323:50:143
1643932991714,1cyclictest0-21swapper/322:05:193
164393299171,13cyclictest1870271-21taskset21:55:043
164393299171,13cyclictest1853855-21taskset21:43:083
164393299171,13cyclictest1697364-21taskset19:48:433
164393299171,13cyclictest1676198-21taskset19:30:183
164393299171,13cyclictest1665140-21taskset19:22:523
164393299171,12cyclictest2093726-21taskset00:16:073
164393299171,12cyclictest2067649-21taskset00:00:193
164393299171,12cyclictest2023457-21taskset23:30:243
164393299171,12cyclictest2013612-21taskset23:25:193
164393299171,12cyclictest1916797-21taskset22:25:103
164393299171,12cyclictest1862632-21chrt21:50:143
164393299171,12cyclictest1787013-21taskset20:55:293
164393299171,12cyclictest1780617-21taskset20:50:453
164393299171,12cyclictest1749564-21taskset20:30:153
164393299171,12cyclictest1729314-21taskset20:11:553
164393299171,12cyclictest1658528-21taskset19:15:393
19309952160,12sleep21931001-21ssh22:31:552
17873662161,4sleep01787427-21sendmail-msp21:00:000
1643932991613,1cyclictest0-21swapper/322:11:003
1643932991611,3cyclictest1959157-21chrt22:50:203
1643932991611,3cyclictest1959157-21chrt22:50:193
164393299161,12cyclictest2078039-21taskset00:05:283
164393299161,12cyclictest1748474-21taskset20:25:303
164393299161,12cyclictest1736256-21taskset20:20:053
164393299161,12cyclictest1716471-21taskset20:01:333
164393299161,12cyclictest1703683-21taskset19:52:233
164393299161,11cyclictest1999545-21taskset23:15:213
164393299161,11cyclictest1978877-21taskset23:05:033
164393299161,11cyclictest1756916-21taskset20:35:163
164393299160,12cyclictest1799884-21taskset21:05:433
21045872151,3sleep02106232-21kthreadcore00:25:190
19804492151,11sleep21982083-21cut23:05:192
20226912141,5sleep02022835-21ntpq23:30:180
21251422130,4sleep02125148-21ssh00:37:100
18608062131,8sleep01860814-21ssh21:45:430
18213352130,5sleep11821380-21ntpq21:20:221
16436682130,2sleep30-21swapper/319:08:513
16377082131,6sleep01637710-21apt-get19:05:140
129998130,9rtkit-daemon703-21mta-sts-daemon19:09:172
129998130,9rtkit-daemon2117745-21seq00:33:121
129998130,9rtkit-daemon2053987-21ntpq23:50:211
21108272120,8sleep22110831-21ssh00:30:032
20625762120,9sleep12062582-21ssh23:55:571
20161692120,8sleep12016173-21ssh23:26:471
19938622120,5sleep01800241-21diskmemload23:14:320
19938622120,5sleep01800241-21diskmemload23:14:310
18220882125,1sleep0171rcu_preempt21:20:490
17800552120,3sleep01780097-21ntpq20:50:220
129998120,4rtkit-daemon703-21mta-sts-daemon23:08:320
129998120,4rtkit-daemon703-21mta-sts-daemon22:54:260
129998120,4rtkit-daemon703-21mta-sts-daemon22:54:260
21239622110,2sleep10-21swapper/100:35:221
20955952110,8sleep22095801-21ssh00:20:172
20849552112,6sleep22085084-21ntpq00:10:222
20567402111,7sleep22056441-21/usr/sbin/munin23:55:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional