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2026-06-19 - 11:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Fri Jun 19, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
136580899330,24cyclictest1437230-21sed20:20:011
136580899291,2cyclictest1688729-21apt-get00:25:131
136580899282,23cyclictest1642746-21apt-get23:40:131
1365808992819,8cyclictest500-21dbus-daemon21:30:001
136580899281,21cyclictest1396415-21apt-get19:40:111
136580899270,25cyclictest0-21swapper/121:40:111
136580899270,24cyclictest1447904-21apt-get20:30:121
136581699261,21cyclictest1535173-21apt-get21:55:113
1365808992619,6cyclictest522-21gdbus23:05:001
136580899261,20cyclictest1637668-21apt-get23:35:121
136580899260,1cyclictest0-21swapper/120:05:121
136580899260,19cyclictest1386032-21munin-run19:30:001
136581699251,21cyclictest1488806-21apt-get21:10:123
136581699250,23cyclictest1627279-21cron23:24:593
136581199250,23cyclictest1401477-21latency_hist19:45:012
1365808992518,6cyclictest1499883-21ps21:20:161
1365808992518,6cyclictest0-21swapper/121:50:001
1365808992517,7cyclictest1-21systemd19:55:011
136580899251,20cyclictest0-21swapper/123:20:121
136580899250,1cyclictest0-21swapper/100:02:421
1365806992516,7cyclictest1606547-21apt-get23:05:010
1365806992515,8cyclictest1406944-21apt-get19:50:100
136581699242,4cyclictest500-21dbus-daemon21:35:003
136581699242,2cyclictest1386284-21apt-get19:30:123
1365816992421,2cyclictest1632359-21turbostat23:30:003
136581699241,21cyclictest1376130-21apt-get19:20:113
136581699241,20cyclictest0-21swapper/323:45:123
136581199242,20cyclictest1366022-21apt-get19:10:122
1365811992420,2cyclictest1698876-21apt-get00:35:112
1365811992418,4cyclictest1494085-21cut21:15:132
136581199241,2cyclictest1458433-21apt-get20:40:102
136581199241,21cyclictest1652877-21apt-get23:50:122
136581199241,21cyclictest1550804-21apt-get22:10:132
136581199240,21cyclictest1586603-21taskset22:45:102
136580899242,2cyclictest1678202-21apt-get00:15:131
1365808992420,2cyclictest1514549-21apt-get21:35:111
136580899241,20cyclictest0-21swapper/120:00:101
136580899240,2cyclictest0-21swapper/122:05:111
136580899240,23cyclictest0-21swapper/121:50:201
136580899240,23cyclictest0-21swapper/121:50:201
136580899240,22cyclictest1596456-21munin-run22:55:001
136580899240,21cyclictest1698879-21taskset00:35:111
136580899240,21cyclictest1473980-21cat20:55:161
136580899240,19cyclictest0-21swapper/119:24:041
136580699242,2cyclictest1596711-21apt-get22:55:130
136580699242,2cyclictest1576475-21apt-get22:35:130
136580699242,20cyclictest1540650-21apt-get22:00:110
1365806992420,3cyclictest1647824-21apt-get23:45:130
1365806992420,3cyclictest1504399-21apt-get21:25:130
1365806992420,3cyclictest1453383-21apt-get20:35:120
1365806992420,2cyclictest1693780-21apt-get00:30:110
1365806992420,2cyclictest1545726-21apt-get22:05:110
1365806992419,3cyclictest702-21runrttasks22:20:120
1365806992419,3cyclictest1662708-21cron23:59:590
1365806992418,4cyclictest1647543-21cron23:44:590
136580699241,3cyclictest0-21swapper/020:55:120
1365816992319,3cyclictest500-21dbus-daemon21:10:003
136581699231,2cyclictest1498721-21http21:20:003
136581699231,2cyclictest1468522-21apt-get20:50:133
136581699230,3cyclictest1381212-21taskset19:25:113
136581699230,20cyclictest0-21swapper/322:35:123
136581699230,19cyclictest0-21swapper/320:25:113
1365811992318,3cyclictest1622251-21cron23:19:592
136581199231,2cyclictest1530117-21apt-get21:50:102
136581199231,2cyclictest1530117-21apt-get21:50:102
136581199231,2cyclictest1441663-21ntpq20:20:192
136581199230,22cyclictest1688042-21latency_hist00:25:002
136581199230,21cyclictest1409159-21ps19:50:162
1365808992319,3cyclictest0-21swapper/123:15:111
1365808992317,4cyclictest1612812-21irqcore23:10:171
136580899231,3cyclictest1539970-21apt-get22:00:001
1365808992313,9cyclictest1386654-21gltestperf19:30:131
136580899231,2cyclictest1432002-21munin-run20:15:001
136580899231,20cyclictest1601487-21cron23:00:011
136580899231,14cyclictest1488546-21apt21:10:001
136580899230,20cyclictest0-21swapper/120:50:131
136580899230,20cyclictest0-21swapper/120:40:101
136580899230,20cyclictest0-21swapper/119:55:111
1365806992319,2cyclictest1566365-21apt-get22:25:110
1365806992319,2cyclictest1426972-21munin-run20:10:000
1365806992318,4cyclictest1587089-21tr22:45:160
136580699231,2cyclictest1673125-21apt-get00:10:110
136580699231,2cyclictest1472491-21ntpq20:50:230
136580699231,2cyclictest0-21swapper/023:25:110
136580699231,2cyclictest0-21swapper/020:30:120
136580699231,21cyclictest0-21swapper/000:15:130
136580699231,20cyclictest0-21swapper/019:45:100
136580699230,21cyclictest1612033-21cron23:10:000
1365816992219,1cyclictest0-21swapper/320:30:123
1365816992218,2cyclictest0-21swapper/322:25:183
136581699221,2cyclictest1437773-21apt-get20:20:113
136581699220,20cyclictest0-21swapper/321:40:113
136581699220,19cyclictest0-21swapper/323:10:133
136581699220,19cyclictest0-21swapper/322:55:133
136581699220,19cyclictest0-21swapper/321:00:133
136581699220,19cyclictest0-21swapper/320:15:113
136581199222,19cyclictest0-21swapper/220:10:182
1365811992219,2cyclictest1417074-21apt-get20:00:112
1365811992219,1cyclictest0-21swapper/222:05:112
1365811992219,1cyclictest0-21swapper/221:55:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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