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2026-08-03 - 06:03
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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 Mon Aug 03, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1245018993725,3cyclictest1516608-21ls23:35:001
1245018993429,3cyclictest0-21swapper/121:35:001
1245020993226,4cyclictest3777322-21systemd-journal21:45:002
1245024993026,2cyclictest0-21swapper/319:10:163
1245024992826,1cyclictest0-21swapper/321:19:593
1245018992720,3cyclictest1342073-21apt-get20:45:131
124502099262,3cyclictest1476167-21apt-get22:55:142
124502099261,22cyclictest1537158-21apt-get23:55:122
124501899260,24cyclictest1465555-21taskset22:45:111
124502499251,21cyclictest1557485-21apt-get00:15:133
124502499251,21cyclictest1342558-21ps20:45:173
124502499251,21cyclictest1301128-21apt-get20:05:133
124502499251,21cyclictest0-21swapper/300:05:143
124502499251,20cyclictest1255497-21apt-get19:20:133
124502499250,21cyclictest0-21swapper/319:25:123
124502099252,3cyclictest1542264-21apt-get00:00:112
124502099250,4cyclictest1316090-21apt-config20:20:002
1245018992521,2cyclictest1245231-21apt-get19:10:131
1245018992519,4cyclictest1502088-21irqcore23:20:161
1245018992518,5cyclictest1578304-21sed00:35:191
124501899251,4cyclictest1486860-21sed23:05:161
124501899251,21cyclictest1496526-21taskset23:15:121
124501899251,21cyclictest1290987-21apt-get19:55:141
124501899251,20cyclictest1552428-21apt-get00:10:121
124501899251,20cyclictest0-21swapper/120:55:141
124501899250,23cyclictest1483500-21ps23:00:181
1245014992520,3cyclictest1430033-21apt-get22:10:110
1245014992520,3cyclictest1378072-21apt-get21:20:120
1245024992420,2cyclictest1393685-21apt-get21:35:133
124502499241,3cyclictest1470647-21apt-get22:50:123
124502499241,20cyclictest1352268-21apt-get20:55:143
124502499241,20cyclictest1270680-21apt-get19:35:113
124502499240,21cyclictest1532089-21apt-get23:50:133
1245020992414,2cyclictest0-21swapper/219:30:002
124502099241,3cyclictest1465552-21apt-get22:45:112
124502099241,2cyclictest1450342-21apt-get22:30:122
124502099241,20cyclictest0-21swapper/222:00:132
124502099241,20cyclictest0-21swapper/222:00:132
124502099240,22cyclictest1271057-21tail19:35:142
1245018992420,2cyclictest1260546-21apt-get19:25:131
124501899241,3cyclictest1440178-21apt-get22:20:121
124501899241,22cyclictest1-21systemd00:00:011
124501899241,21cyclictest1506688-21apt-get23:25:121
124501899241,21cyclictest0-21swapper/122:40:001
124501899241,20cyclictest0-21swapper/119:45:121
124501899240,21cyclictest0-21swapper/122:25:141
124501899240,20cyclictest0-21swapper/120:50:121
124501499242,2cyclictest1414399-21apt-get21:55:140
1245024992319,2cyclictest1521969-21apt-get23:40:113
1245024992319,2cyclictest1497007-21ps23:15:163
1245024992319,2cyclictest1250371-21apt-get19:15:123
1245024992319,2cyclictest0-21swapper/321:30:123
1245024992318,3cyclictest1326885-21apt-get20:30:133
124502499231,20cyclictest1567650-21apt-get00:25:123
124502499230,22cyclictest1286380-21grep19:50:173
124502499230,20cyclictest0-21swapper/320:25:133
1245020992321,1cyclictest0-21swapper/221:25:002
1245020992319,2cyclictest1316743-21apt-get20:20:112
1245020992318,3cyclictest1464323-21needreboot22:40:182
1245020992318,3cyclictest1331657-21sh20:35:002
124502099231,2cyclictest1547338-21apt-get00:05:132
124502099231,2cyclictest1321837-21apt-get20:25:132
124502099231,20cyclictest0-21swapper/221:40:002
124502099231,20cyclictest0-21swapper/221:05:132
124502099230,20cyclictest0-21swapper/222:25:142
1245018992318,3cyclictest1450832-21grep22:30:161
124501899231,2cyclictest1460481-21apt-get22:40:111
124501899231,2cyclictest0-21swapper/100:05:001
124501899230,20cyclictest1419467-21apt-get22:00:131
124501899230,20cyclictest1419467-21apt-get22:00:131
124501899230,20cyclictest0-21swapper/100:30:131
1245014992320,2cyclictest1357338-21apt-get21:00:130
1245014992318,4cyclictest1572457-21turbostat00:30:010
1245014992318,4cyclictest1316083-21true20:20:000
124501499231,20cyclictest1435105-21apt-get22:15:120
1245024992219,1cyclictest1506688-21apt-get23:25:123
1245024992219,1cyclictest0-21swapper/322:20:113
1245024992219,1cyclictest0-21swapper/321:55:133
1245024992219,1cyclictest0-21swapper/321:50:123
1245024992219,1cyclictest0-21swapper/319:30:133
124502499221,2cyclictest0-21swapper/323:30:123
124502499221,20cyclictest0-21swapper/320:20:003
124502499220,20cyclictest0-21swapper/322:05:123
124502499220,20cyclictest0-21swapper/321:45:133
124502499220,20cyclictest0-21swapper/321:45:123
124502499220,19cyclictest0-21swapper/323:00:133
124502499220,19cyclictest0-21swapper/300:20:103
1245020992220,1cyclictest0-21swapper/221:50:002
1245020992220,1cyclictest0-21swapper/221:49:592
1245020992219,1cyclictest0-21swapper/223:40:112
124502099221,20cyclictest0-21swapper/220:10:222
124502099220,20cyclictest1275726-21apt-get19:40:102
124502099220,20cyclictest0-21swapper/223:29:582
124502099220,20cyclictest0-21swapper/219:10:122
124502099220,20cyclictest0-21swapper/200:35:142
1245018992219,2cyclictest64-21kcompactd021:13:581
1245018992219,2cyclictest0-21swapper/121:00:111
1245018992219,2cyclictest0-21swapper/100:21:031
1245018992219,1cyclictest0-21swapper/120:20:171
1245018992218,2cyclictest1476170-21seq22:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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