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2026-06-05 - 05:09
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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 Fri Jun 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
162042223010,1sleep10-21swapper/121:50:181
186323421130,1sleep1321rcuc/100:25:221
139965299239,11cyclictest1679284-21turbostat22:30:003
1399652992219,1cyclictest0-21swapper/321:10:123
1399652992219,1cyclictest0-21swapper/320:00:003
139965299221,15cyclictest1452947-21taskset19:50:013
1399652992116,3cyclictest1542422-21turbostat21:00:003
139965299211,15cyclictest1787916-21turbostat23:40:013
1399652992110,7cyclictest16005832sleep321:36:353
1399652992017,1cyclictest0-21swapper/322:50:283
1399652992017,1cyclictest0-21swapper/300:20:143
1399652992017,1cyclictest0-21swapper/300:20:133
139965299201,15cyclictest1687601-21taskset22:35:143
139965299201,15cyclictest1405168-21taskset19:10:233
139965299192,13cyclictest1670431-21taskset22:21:393
1399652991916,1cyclictest0-21swapper/323:40:173
1399652991916,1cyclictest0-21swapper/300:04:593
139965299191,14cyclictest1841436-21taskset00:13:013
139965299191,14cyclictest1801593-21taskset23:45:283
139965299191,14cyclictest1577085-21taskset21:21:013
139965299191,14cyclictest1472010-21taskset20:03:273
139965299191,13cyclictest1749190-21taskset23:14:563
139965299191,13cyclictest1478769-21taskset20:10:013
139965299182,13cyclictest1608935-21taskset21:43:103
139965299182,12cyclictest1740193-21taskset23:06:183
139965299182,12cyclictest1704119-21taskset22:45:173
1399652991815,1cyclictest0-21swapper/323:00:043
1399652991815,1cyclictest0-21swapper/321:50:273
1399652991815,1cyclictest0-21swapper/321:45:183
1399652991815,1cyclictest0-21swapper/319:25:183
139965299181,14cyclictest1653861-21taskset22:10:213
139965299181,14cyclictest1439143-21taskset19:35:223
139965299181,13cyclictest1848518-21taskset00:16:063
139965299181,13cyclictest1826929-21taskset00:05:073
139965299181,13cyclictest1818082-21taskset23:57:473
139965299181,13cyclictest1762784-21taskset23:20:253
139965299181,13cyclictest1755668-21taskset23:16:123
139965299181,13cyclictest1721610-21taskset22:55:193
139965299181,13cyclictest1631690-21taskset21:56:543
139965299181,13cyclictest1593395-21taskset21:33:163
139965299181,13cyclictest1584781-21taskset21:25:463
139965299181,13cyclictest1569266-21taskset21:15:523
139965299181,13cyclictest1542679-21taskset21:00:083
139965299181,13cyclictest1523043-21taskset20:42:293
139965299180,14cyclictest1663807-21turbostat22:19:593
14929662177,7sleep01494159-21tr20:20:170
14851902172,11sleep01485341-21df_inode20:15:120
139965299176,8cyclictest1452930-21sleep19:54:553
1399652991714,1cyclictest0-21swapper/323:50:213
1399652991714,1cyclictest0-21swapper/319:20:183
1399652991714,1cyclictest0-21swapper/319:15:163
139965299171,13cyclictest1878753-21taskset00:35:233
139965299171,13cyclictest1779255-21taskset23:32:203
139965299171,13cyclictest1772334-21taskset23:29:403
139965299171,13cyclictest1497942-21taskset20:25:043
139965299171,12cyclictest1700983-21taskset22:40:293
139965299171,12cyclictest1633108-21taskset22:00:103
139965299171,12cyclictest1523498-21taskset20:45:053
139965299171,12cyclictest1497365-21taskset20:20:563
139965299170,14cyclictest1554284-21taskset21:05:213
139965299170,13cyclictest1535763-21taskset20:51:513
18261922161,11sleep21826196-21ssh00:03:432
1399652991613,1cyclictest0-21swapper/319:40:043
1399652991613,1cyclictest0-21swapper/319:30:153
1399652991613,1cyclictest0-21swapper/300:30:163
139965299161,12cyclictest1863026-21taskset00:25:213
139965299161,12cyclictest1685495-21taskset22:30:303
139965299161,12cyclictest1641328-21taskset22:05:163
139965299161,12cyclictest1510673-21chrt20:35:073
139965299161,12cyclictest1504288-21taskset20:30:103
139965299161,12cyclictest1491259-21taskset20:19:473
139965299161,12cyclictest1472390-21taskset20:05:043
14776582141,10sleep21477688-21/usr/sbin/munin20:05:242
14152382141,10sleep11416137-21cut19:20:171
14097972130,10sleep21409829-21kthreadcore19:15:182
18787732121,8sleep01878796-21ntpq00:35:240
17877462121,3sleep1222-21plymouthd23:39:321
17667012120,9sleep21768331-21cut23:25:192
16393452121,8sleep11639349-21ssh22:01:211
15296232120,9sleep01529697-21cat20:50:010
13985622121,5sleep01398601-21ntpq19:05:200
13935002122,5sleep30-21swapper/319:05:123
18206002111,7sleep11820634-21kthreadcore00:00:181
17487552110,4sleep11748759-21ssh23:13:421
17184442111,6sleep00-21swapper/022:55:140
16665422110,8sleep11668230-21cut22:20:191
15963892111,7sleep01597444-21kthreadcore21:35:180
15684722110,8sleep11568518-21ntpq21:15:241
15428892110,3sleep01543085-21hddtemp_smartct21:00:140
18412332100,7sleep21841241-21ssh00:12:262
18179582100,7sleep01817963-21sh23:57:270
18178012100,7sleep21725959-21kworker/u16:1+rpciod23:57:012
17403762100,7sleep21740382-21ssh23:06:542
17289422100,7sleep11730719-21kthreadcore23:00:191
17106932101,5sleep11710695-21apt-get22:50:131
16943982102,5sleep11633100-21kworker/u16:1+xprtiod22:39:021
16640742106,2sleep21555228-21diskmemload22:20:042
16176052101,5sleep21617635-21ssh21:50:122
16172672100,1sleep20-21swapper/221:50:012
16015532100,3sleep11601557-21ssh21:39:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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