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2026-07-27 - 01:21
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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 Sun Jul 26, 2026 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1396225993120,3cyclictest514-21in:imuxsock07:20:012
139622599301,22cyclictest1483943-21cut08:35:012
139623099285,20cyclictest1438124-21/usr/sbin/munin07:50:153
1396230992723,3cyclictest3777322-21systemd-journal09:20:003
1396230992723,3cyclictest3777322-21systemd-journal09:20:003
1396225992721,4cyclictest1689213-21apt-get11:55:112
139622599271,2cyclictest0-21swapper/209:50:122
1396230992624,1cyclictest1509468-21cron08:59:593
1396230992624,1cyclictest1424355-21ps07:35:173
1396230992621,4cyclictest1560584-21runrttasks09:50:113
1396225992618,2cyclictest1724745-21apt-get12:30:112
1396225992618,2cyclictest0-21swapper/207:10:112
139622599261,21cyclictest1678610-21apt-get11:45:122
139622599261,21cyclictest1591914-21apt-get10:20:132
139622599260,20cyclictest1637336-21unin-run11:05:002
139622099262,21cyclictest1473819-21apt-get08:25:131
139622099261,5cyclictest1540776-21grep09:30:191
139622099260,23cyclictest1571632-21tr10:00:171
139622099260,23cyclictest1566151-21irqcore09:55:161
139621899262,22cyclictest1514835-21apt-get09:05:110
139623099253,21cyclictest0-21swapper/307:45:003
1396230992523,1cyclictest1682556-21ntpq11:45:223
1396225992519,2cyclictest1653242-21apt-get11:20:122
1396225992517,2cyclictest1519701-21munin-run09:10:002
139622599251,21cyclictest1432695-21apt-get07:45:112
1396220992520,3cyclictest1602051-21apt-get10:30:131
139622099251,21cyclictest1714587-21apt-get12:20:121
139622099251,21cyclictest1612164-21apt-get10:40:121
139622099251,21cyclictest1581298-21apt-get10:10:111
139622099251,21cyclictest1560580-21apt-get09:50:131
139622099251,21cyclictest1519961-21apt-get09:10:161
139622099251,21cyclictest1519685-21turbostat.cron09:10:001
139622099251,20cyclictest1648150-21apt-get11:15:141
139622099251,20cyclictest0-21swapper/108:30:131
139623099245,7cyclictest1443506-21/usr/sbin/munin07:55:153
139623099244,1cyclictest1458389-21systemd-run08:10:013
1396230992420,3cyclictest0-21swapper/309:25:203
1396230992420,2cyclictest1494560-21apt-get08:45:113
139623099241,20cyclictest1622325-21apt-get10:50:133
139623099241,20cyclictest0-21swapper/309:45:133
139623099240,1cyclictest0-21swapper/310:10:123
1396225992420,2cyclictest1704403-21apt-get12:10:122
1396225992420,2cyclictest1530097-21apt-get09:20:102
1396225992420,2cyclictest1448422-21apt-get08:00:122
1396220992418,5cyclictest1709241-21awk12:15:001
139622099241,3cyclictest1658288-21apt-get11:25:111
139622099241,2cyclictest1632489-21apt-get11:00:131
139622099241,21cyclictest1709495-21apt-get12:15:141
139622099241,20cyclictest0-21swapper/112:30:111
139622099241,20cyclictest0-21swapper/109:35:131
139622099241,20cyclictest0-21swapper/107:10:121
139622099240,21cyclictest1653742-21sed11:20:161
139622099240,21cyclictest0-21swapper/109:00:121
139622099240,21cyclictest0-21swapper/107:50:131
139622099240,20cyclictest0-21swapper/111:50:141
139622099240,20cyclictest0-21swapper/111:50:141
139622099240,20cyclictest0-21swapper/111:10:131
139621899241,3cyclictest1658029-21munin-run11:25:000
139621899241,3cyclictest1484426-21apt-get08:35:130
139621899241,2cyclictest1463678-21apt-get08:15:120
139621899241,21cyclictest1555995-21ps09:45:170
139621899241,21cyclictest1396744-21apt-get07:10:110
139621899241,20cyclictest0-21swapper/012:20:110
139623099235,6cyclictest1532985-21cut09:20:173
139623099233,7cyclictest1621409-21find10:45:223
1396230992321,1cyclictest500-21dbus-daemon11:35:003
1396230992320,2cyclictest0-21swapper/312:10:223
1396230992320,2cyclictest0-21swapper/310:20:203
1396230992319,3cyclictest64-21kcompactd012:06:043
1396230992319,2cyclictest1607119-21apt-get10:35:133
1396230992318,3cyclictest1547609-21ps09:35:173
139623099230,21cyclictest1468472-21cron08:20:003
139623099230,19cyclictest0-21swapper/311:20:123
139623099230,19cyclictest0-21swapper/310:40:143
1396225992318,3cyclictest1505180-21tr08:55:192
139622599231,2cyclictest1540783-21ps09:30:192
139622599230,2cyclictest1488170-21/usr/sbin/munin08:35:202
139622599230,20cyclictest1545377-21apt-get09:35:122
139622599230,20cyclictest0-21swapper/212:15:142
139622599230,20cyclictest0-21swapper/210:55:132
139622599230,20cyclictest0-21swapper/210:05:132
1396220992319,2cyclictest1663356-21apt-get11:30:121
1396220992319,2cyclictest0-21swapper/107:40:121
139622099231,21cyclictest1600934-21ntpq10:25:261
139622099231,21cyclictest1396238-21grep07:10:011
139622099230,22cyclictest3777322-21systemd-journal08:05:001
139622099230,21cyclictest1611890-21ls10:40:011
139622099230,20cyclictest1406907-21apt-get07:20:141
139622099230,20cyclictest0-21swapper/110:15:121
139622099230,20cyclictest0-21swapper/107:30:101
1396218992320,2cyclictest1535195-21apt-get09:25:130
1396218992319,2cyclictest1443334-21apt-get07:55:130
1396218992319,2cyclictest1437793-21apt-get07:50:130
139621899231,2cyclictest1597011-21apt-get10:25:160
139621899231,2cyclictest1417063-21apt-get07:30:100
139621899231,21cyclictest1586817-21apt-get10:15:110
139621899231,21cyclictest1500090-21ps08:50:160
139621899230,21cyclictest1714311-21cron12:20:000
139621899230,20cyclictest0-21swapper/010:00:120
139623099225,6cyclictest1710229-21sed12:15:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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