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2026-03-12 - 18:42
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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 Thu Mar 12, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4100122992923,4cyclictest4125748-21turbostat07:35:000
410012699272,21cyclictest156322-21apt-get11:15:111
410013299260,24cyclictest54762-21seq09:35:123
410013299251,22cyclictest0-21swapper/311:30:113
410013299251,21cyclictest238021-21apt-get12:35:103
410013299251,20cyclictest481rcuc/310:05:123
410012899250,22cyclictest261-21systemd-journal08:30:002
410012699251,21cyclictest4147615-21irqcore07:55:151
410012699251,20cyclictest80001-21apt-get10:00:101
410012699251,20cyclictest206828-21apt-get12:05:111
410012299252,2cyclictest4177893-21apt-get08:25:120
410012299251,21cyclictest4141605-21apt-get07:50:110
410013299241,21cyclictest4188021-21apt-get08:35:113
410013299241,21cyclictest4131468-21apt-get07:40:113
410013299241,21cyclictest232970-21apt-get12:30:113
410013299241,21cyclictest111234-21grep10:30:153
410013299241,20cyclictest211905-21apt-get12:10:123
410013299241,20cyclictest0-21swapper/309:15:103
4100128992420,2cyclictest201749-21apt-get12:00:092
410012899241,21cyclictest146217-21apt-get11:05:112
410012899241,20cyclictest0-21swapper/209:55:112
410012899240,4cyclictest100371-21cron10:20:002
4100126992420,2cyclictest4105397-21apt-get07:15:111
4100126992418,4cyclictest4193543-21irqcore08:40:161
410012699241,21cyclictest4162704-21apt-get08:10:111
410012699241,20cyclictest201749-21apt-get12:00:101
410012699241,20cyclictest131079-21apt-get10:50:111
410012699241,20cyclictest0-21swapper/112:30:121
410012699241,19cyclictest181536-21apt-get11:40:121
410012299242,2cyclictest4172815-21apt-get08:20:110
410012299242,2cyclictest4126014-21apt-get07:35:110
410012299241,21cyclictest29427-21apt-get09:10:120
4100132992321,1cyclictest70364-21sort09:50:173
410013299231,2cyclictest0-21swapper/312:25:123
410013299231,21cyclictest0-21swapper/310:15:113
410012899232,1cyclictest222462-21apt-get12:20:112
410012899231,20cyclictest4146441-21munin-run07:55:002
410012899230,22cyclictest4151933-21idleruntime-cro08:00:002
410012899230,21cyclictest58656-21ntpq09:35:212
410012899230,20cyclictest4136527-21runrttasks07:45:122
410012899230,20cyclictest0-21swapper/212:10:122
410012899230,20cyclictest0-21swapper/210:35:122
4100126992320,2cyclictest4121006-21apt-get07:30:111
4100126992314,2cyclictest125747-21idleruntime-cro10:45:011
410012699231,19cyclictest0-21swapper/108:45:131
410012699230,21cyclictest4135399-21ntpq07:40:201
410012699230,20cyclictest0-21swapper/109:30:101
410012699230,20cyclictest0-21swapper/109:10:121
410012699230,20cyclictest0-21swapper/108:25:121
410012699230,19cyclictest0-21swapper/111:05:111
4100122992320,2cyclictest4167759-21apt-get08:15:120
4100122992320,2cyclictest4157228-21apt-get08:05:120
4100122992319,2cyclictest115825-21apt-get10:35:110
410012299231,2cyclictest4182939-21apt-get08:30:090
410012299231,21cyclictest129899-21ntpq10:45:200
410012299230,21cyclictest34969-21sort09:15:140
410012299230,20cyclictest0-21swapper/008:50:110
4100132992219,2cyclictest4141327-21cron07:49:593
4100132992218,2cyclictest33359-21modprobe09:10:213
410013299221,2cyclictest0-21swapper/307:50:113
410013299221,20cyclictest120923-21apt-get10:40:103
410013299221,20cyclictest0-21swapper/310:10:203
410013299221,20cyclictest0-21swapper/308:30:093
410013299220,20cyclictest0-21swapper/308:05:113
4100128992219,1cyclictest49715-21apt-get09:30:102
4100128992219,1cyclictest4152196-21apt-get08:00:112
4100128992213,2cyclictest4136247-21idleruntime-cro07:45:002
410012899220,20cyclictest0-21swapper/211:10:112
410012899220,19cyclictest0-21swapper/211:50:112
410012899220,19cyclictest0-21swapper/210:40:092
410012899220,19cyclictest0-21swapper/208:40:112
4100126992219,1cyclictest59812-21apt-get09:40:111
4100126992218,2cyclictest191688-21apt-get11:50:111
4100126992218,2cyclictest141160-21apt-get11:00:091
4100126992218,2cyclictest0-21swapper/111:10:111
4100126992218,2cyclictest0-21swapper/109:55:121
410012699221,2cyclictest136109-21apt-get10:55:121
410012699221,20cyclictest175350-21ntpq11:30:201
410012699221,20cyclictest130811-21cron10:50:001
410012699220,2cyclictest69618-21munin-run09:50:001
410012699220,2cyclictest4157727-21ps08:05:161
410012699220,2cyclictest4146480-21unin-run07:55:011
410012699220,19cyclictest0-21swapper/112:10:121
410012699220,19cyclictest0-21swapper/107:35:111
4100122992219,2cyclictest0-21swapper/010:40:210
4100122992218,3cyclictest702-21runrttasks09:45:200
4100122992218,2cyclictest4156952-21awk08:05:000
4100122992217,3cyclictest105693-21apt-get10:25:120
410012299221,2cyclictest100639-21apt-get10:20:120
410012299221,20cyclictest54759-21apt-get09:35:110
410012299221,20cyclictest0-21swapper/008:10:110
410012299220,20cyclictest0-21swapper/012:30:120
4100132992119,1cyclictest4115532-21apt-get07:25:123
4100132992119,1cyclictest0-21swapper/309:45:123
4100132992119,1cyclictest0-21swapper/308:40:203
4100132992119,1cyclictest0-21swapper/308:15:123
4100132992119,1cyclictest0-21swapper/307:10:113
4100132992118,2cyclictest0-21swapper/311:00:093
4100132992118,2cyclictest0-21swapper/310:50:133
4100132992118,2cyclictest0-21swapper/309:00:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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