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2026-06-25 - 06:12
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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
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Thu Jun 25, 2026 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150383999150,13cyclictest0-21swapper/323:15:123
150383999140,2cyclictest0-21swapper/320:30:133
150383999140,2cyclictest0-21swapper/320:30:123
150383999137,5cyclictest0-21swapper/320:40:133
1503839991311,1cyclictest0-21swapper/321:00:113
150383999130,12cyclictest0-21swapper/321:40:123
150383999130,11cyclictest0-21swapper/320:50:123
1503839991210,1cyclictest0-21swapper/321:50:003
150383999120,8cyclictest0-21swapper/321:35:133
150383999120,11cyclictest0-21swapper/323:25:013
150383999120,11cyclictest0-21swapper/323:00:123
150383999120,11cyclictest0-21swapper/322:54:553
150383999120,11cyclictest0-21swapper/322:10:183
150383999120,11cyclictest0-21swapper/319:50:123
150383999120,11cyclictest0-21swapper/300:15:153
150383999120,11cyclictest0-21swapper/300:10:163
150383999120,11cyclictest0-21swapper/300:10:013
150383999120,0cyclictest0-21swapper/322:45:113
1503839991111,0cyclictest0-21swapper/323:40:133
1503839991111,0cyclictest0-21swapper/322:05:103
1503839991111,0cyclictest0-21swapper/321:25:103
1503839991110,1cyclictest0-21swapper/300:23:563
1503839991110,0cyclictest0-21swapper/320:50:013
1503839991110,0cyclictest0-21swapper/319:35:133
150383999110,9cyclictest0-21swapper/319:55:123
150383999110,10cyclictest0-21swapper/323:55:103
150383999110,10cyclictest0-21swapper/322:15:203
150383999110,10cyclictest0-21swapper/321:10:193
150383999110,10cyclictest0-21swapper/300:35:123
150383999110,0cyclictest0-21swapper/322:35:173
150383999110,0cyclictest0-21swapper/321:20:163
150383999110,0cyclictest0-21swapper/320:15:123
150383999110,0cyclictest0-21swapper/319:45:113
150383999110,0cyclictest0-21swapper/319:30:013
150383999110,0cyclictest0-21swapper/319:20:103
150383999110,0cyclictest0-21swapper/319:15:123
150383999109,0cyclictest0-21swapper/323:35:013
150383999109,0cyclictest0-21swapper/320:25:103
1503839991010,0cyclictest0-21swapper/300:30:143
150383999100,9cyclictest0-21swapper/323:10:213
150383999100,9cyclictest0-21swapper/300:00:203
15038399999,0cyclictest0-21swapper/319:30:123
15038399998,0cyclictest0-21swapper/320:00:113
15038399990,8cyclictest0-21swapper/323:50:153
15038399990,8cyclictest0-21swapper/323:45:183
15038399990,8cyclictest0-21swapper/322:00:003
15038399990,8cyclictest0-21swapper/321:20:013
15038399988,0cyclictest0-21swapper/323:05:123
15038399988,0cyclictest0-21swapper/322:40:143
15038399988,0cyclictest0-21swapper/322:26:353
15038399988,0cyclictest0-21swapper/321:30:173
15038399988,0cyclictest0-21swapper/319:40:183
15038399987,0cyclictest0-21swapper/323:20:153
15038399987,0cyclictest0-21swapper/320:05:143
15038399980,7cyclictest0-21swapper/319:15:003
1502500281,5sleep30-21swapper/319:05:143
15038399977,0cyclictest0-21swapper/323:37:193
15038399977,0cyclictest0-21swapper/321:50:123
15038399970,7cyclictest0-21swapper/322:02:393
15038399970,7cyclictest0-21swapper/320:35:113
15038399970,6cyclictest0-21swapper/322:25:003
15038399970,6cyclictest0-21swapper/300:25:113
15038399970,0cyclictest0-21swapper/320:55:133
15038399965,0cyclictest0-21swapper/320:20:133
15038399960,6cyclictest0-21swapper/320:11:083
15038399954,0cyclictest0-21swapper/322:55:133
15038399950,4cyclictest0-21swapper/321:05:103
15038399950,3cyclictest0-21swapper/322:30:173
1503346251,0sleep00-21swapper/019:05:280
1637522240,1sleep11637537-21apt-get00:35:011
1502880241,1sleep20-21swapper/219:05:172
1502171241,1sleep10-21swapper/119:05:131
1632931230,1sleep21633230-21unattended-upgr00:23:582
1630882230,3sleep00-21swapper/000:19:390
1621212230,2sleep01621342-21/usr/sbin/munin23:55:140
1595709230,2sleep21595896-21sed22:55:172
1592405230,1sleep10-21swapper/122:46:151
1583728230,1sleep01583945-21users22:25:200
1513444230,2sleep11513591-21sendmail_mailtr19:30:191
1512147230,1sleep01512163-21apt-get19:30:020
1508042230,2sleep01508089-21sendmail-msp19:20:000
1635439220,1sleep10-21swapper/100:30:011
1634128220,1sleep00-21swapper/000:25:160
1620849220,1sleep21621149-21df23:55:122
1616475220,1sleep10-21swapper/123:45:141
1615637220,0sleep00-21swapper/023:41:180
1611786220,1sleep11611790-21ssh23:34:171
1608676220,1sleep01608754-21pluginstate23:25:170
1607445220,1sleep11607937-21appstreamcli23:25:021
1600827222,0sleep00-21swapper/023:06:540
1588905220,1sleep10-21swapper/122:40:061
1584447220,2sleep21584449-21ssh22:29:462
1581189220,1sleep11581338-21ntpq22:20:171
1578213220,1sleep11578247-21munin-run22:15:001
1569381220,0sleep00-21swapper/021:50:430
1566003220,1sleep01566136-21aten2.4-expect21:45:130
1561898220,1sleep11562092-21/usr/sbin/munin21:35:151
1559558220,1sleep00-21swapper/021:30:000
1551505220,1sleep10-21swapper/121:10:131
1550597220,1sleep01550798-21grep21:05:190
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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