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2026-01-11 - 17:27
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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 Jan 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
152995199361,5cyclictest1768996-21tmpfiles11:04:590
152995199360,5cyclictest1645817-21chrt09:00:220
1529951993516,17cyclictest0-21swapper/011:50:000
1529951993122,8cyclictest1723131-21cron10:20:010
152995199311,21cyclictest1565625-21apt-get07:45:110
152995199301,27cyclictest0-21swapper/010:00:110
152995199290,2cyclictest0-21swapper/007:20:110
1529951992819,7cyclictest1595918-21apt-get08:15:120
1529951992817,10cyclictest1-21systemd12:30:000
152995199281,26cyclictest0-21swapper/011:20:110
152995199271,25cyclictest0-21swapper/009:35:210
152995199270,21cyclictest0-21swapper/008:45:130
152995199270,21cyclictest0-21swapper/008:45:120
152995899260,23cyclictest1657141-21seq09:15:122
152995199267,7cyclictest261-21systemd-journal10:25:000
152995199262,3cyclictest1682483-21apt-get09:40:100
152995199262,22cyclictest1646979-21apt-get09:05:130
152995199260,3cyclictest1667755-21ps09:25:140
152996199252,21cyclictest1565625-21apt-get07:45:133
152996199250,21cyclictest0-21swapper/310:05:123
152995199252,2cyclictest1606431-21apt-get08:25:120
152995199252,21cyclictest1692639-21apt-get09:50:120
152996199242,21cyclictest1585820-21apt-get08:05:113
152996199242,20cyclictest1555520-21apt-get07:35:133
1529961992420,3cyclictest1748633-21apt-get10:45:133
1529961992420,2cyclictest1841178-21apt-get12:20:083
152996199241,21cyclictest1560571-21apt-get07:40:123
1529958992420,2cyclictest1677405-21apt-get09:35:122
152995899241,21cyclictest261-21systemd-journal11:10:002
152995899241,20cyclictest0-21swapper/208:40:112
152995899240,20cyclictest0-21swapper/207:40:112
152995699242,20cyclictest1708240-21apt-get10:05:121
1529956992420,2cyclictest1825397-21apt-get12:00:121
1529951992417,5cyclictest1789518-21apt-get11:25:130
152995199241,2cyclictest1687585-21apt-get09:45:120
152995199241,2cyclictest1545386-21apt-get07:25:120
152995199241,21cyclictest1530173-21apt-get07:10:130
1529951992411,11cyclictest0-21swapper/010:15:010
1529951992410,11cyclictest0-21swapper/012:20:000
1529961992319,2cyclictest1825397-21apt-get12:00:133
1529961992319,2cyclictest1718375-21taskset10:15:133
152996199231,20cyclictest1747500-21ntpq10:40:203
152996199230,21cyclictest1743299-21cron10:40:003
152996199230,20cyclictest0-21swapper/308:35:133
152996199230,19cyclictest0-21swapper/307:15:143
1529958992319,2cyclictest1703162-21apt-get10:00:112
152995899230,19cyclictest0-21swapper/207:50:112
1529956992321,1cyclictest1555253-21cron07:35:011
152995699231,20cyclictest1667270-21apt-get09:25:091
152995699231,19cyclictest1743576-21apt-get10:40:111
152995699231,19cyclictest0-21swapper/111:20:111
152995699230,20cyclictest0-21swapper/109:00:131
1529951992320,2cyclictest1636801-21apt-get08:55:110
1529951992319,2cyclictest1851337-21apt-get12:30:100
1529951992319,2cyclictest0-21swapper/010:30:110
1529951992317,5cyclictest0-21swapper/012:05:110
152995199231,2cyclictest1835476-21apt-get12:10:090
152995199231,2cyclictest1616562-21apt-get08:35:120
152995199231,2cyclictest0-21swapper/009:15:120
152995199231,20cyclictest1830178-21idleruntime-cro12:05:000
152995199231,20cyclictest1698123-21apt-get09:55:140
152995199231,20cyclictest0-21swapper/010:05:120
152995199230,22cyclictest0-21swapper/008:05:130
152995199230,21cyclictest1774854-21grep11:10:160
1529961992219,2cyclictest1631746-21apt-get08:50:113
1529961992218,2cyclictest1774070-21cron11:10:003
152996199221,19cyclictest1545386-21apt-get07:25:123
152996199220,3cyclictest1595646-21awk08:14:593
152996199220,20cyclictest1661949-21idleruntime-cro09:20:013
152996199220,20cyclictest0-21swapper/308:15:133
1529958992219,2cyclictest1753664-21apt-get10:50:132
1529958992219,1cyclictest0-21swapper/210:40:112
1529958992219,1cyclictest0-21swapper/210:20:112
1529958992219,1cyclictest0-21swapper/207:15:142
1529958992218,2cyclictest1820298-21apt-get11:55:122
152995899220,1cyclictest1626693-21apt-get08:45:122
152995899220,1cyclictest1626693-21apt-get08:45:122
152995899220,19cyclictest0-21swapper/207:20:112
1529956992219,2cyclictest1556013-21sed07:35:191
1529956992219,1cyclictest1590862-21apt-get08:10:111
1529956992218,2cyclictest261-21systemd-journal09:45:001
1529956992217,4cyclictest1601338-21apt-get08:20:031
152995699221,20cyclictest1769276-21apt-get11:05:111
152995699220,20cyclictest1835480-21sshd12:10:091
152995699220,19cyclictest0-21swapper/109:45:131
152995699220,19cyclictest0-21swapper/109:10:111
152995699220,19cyclictest0-21swapper/107:55:121
152995699220,19cyclictest0-21swapper/107:45:121
1529951992219,2cyclictest0-21swapper/008:40:120
1529951992219,2cyclictest0-21swapper/008:30:120
1529951992219,2cyclictest0-21swapper/008:00:120
1529951992216,5cyclictest0-21swapper/010:35:110
1529951992213,8cyclictest0-21swapper/007:30:200
152995199221,20cyclictest1575688-21apt-get07:55:100
152995199220,2cyclictest0-21swapper/007:40:120
152995199220,21cyclictest1601376-21apt-get08:20:110
1529961992119,1cyclictest0-21swapper/312:35:223
1529961992119,1cyclictest0-21swapper/312:10:103
1529961992119,1cyclictest0-21swapper/307:55:113
1529961992119,1cyclictest0-21swapper/307:50:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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