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2026-05-10 - 10:48
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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 May 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3958314994037,2cyclictest33303-21fwupd23:32:572
3958314994037,2cyclictest33303-21fwupd23:32:562
3958308993532,2cyclictest33303-21fwupd23:32:560
3958308993532,2cyclictest33303-21fwupd23:32:560
3958310993228,2cyclictest0-21swapper/121:40:181
395831699300,28cyclictest33493-21cron23:35:013
395831699300,28cyclictest33493-21cron23:35:003
3958314992927,1cyclictest0-21swapper/220:40:002
3958308992719,6cyclictest69043-21cron00:10:000
395830899271,22cyclictest4029288-21apt-get20:20:110
395831699261,21cyclictest79461-21apt-get00:20:113
395831099260,23cyclictest4121394-21sed21:50:141
3958308992620,3cyclictest4187185-21apt-get22:55:130
395831499251,21cyclictest48988-21apt-get23:50:102
395831099252,20cyclictest43965-21apt-get23:45:111
395830899252,3cyclictest4120906-21apt-get21:50:100
3958308992520,2cyclictest3993952-21apt-get19:45:100
3958308992519,4cyclictest261-21systemd-journal21:50:010
395830899251,21cyclictest4172042-21apt-get22:40:110
395830899251,21cyclictest33760-21apt-get23:35:120
395830899251,21cyclictest0-21swapper/021:10:130
395831699242,20cyclictest3958533-21apt-get19:10:203
3958316992420,2cyclictest4044498-21apt-get20:35:113
395831699240,22cyclictest4131576-21tr22:00:163
395831499242,2cyclictest4080351-21apt-get21:10:132
3958314992420,2cyclictest4070266-21apt-get21:00:122
395831499241,21cyclictest4151755-21apt-get22:20:122
395831499241,20cyclictest59136-21apt-get00:00:122
395831499240,22cyclictest3879-21grep23:05:162
395831499240,20cyclictest0-21swapper/222:10:122
395831099241,3cyclictest4177076-21apt-get22:45:131
3958308992419,3cyclictest84959-21apt-get00:25:120
3958308992419,3cyclictest4126008-21apt-get21:55:110
395830899241,4cyclictest4018923-21cron20:10:000
395830899241,22cyclictest57984-21ntpq23:55:200
395830899241,20cyclictest0-21swapper/020:50:120
395830899241,20cyclictest0-21swapper/020:25:120
395830899241,20cyclictest0-21swapper/019:25:130
395830899240,21cyclictest0-21swapper/022:25:110
395830899240,20cyclictest897569-21kworker/u8:2+flush-259:022:20:110
3958316992319,2cyclictest0-21swapper/319:25:123
395831699231,20cyclictest0-21swapper/320:10:153
395831699231,19cyclictest0-21swapper/321:25:103
395831699230,3cyclictest4100667-21apt-get21:30:133
395831699230,21cyclictest4136637-21ps22:05:163
395831699230,20cyclictest0-21swapper/320:15:123
395831499231,2cyclictest38873-21apt-get23:40:112
395831499230,20cyclictest23591-21apt-get23:25:122
395831099232,2cyclictest3999004-21apt-get19:50:121
3958310992321,1cyclictest18260-21cron23:20:001
395831099231,21cyclictest261-21systemd-journal20:00:001
395831099231,19cyclictest4182126-21apt-get22:50:091
395831099231,19cyclictest3983819-21apt-get19:35:121
395830899232,18cyclictest8446-21apt-get23:10:110
3958308992319,2cyclictest0-21swapper/021:00:000
3958308992319,2cyclictest0-21swapper/019:50:120
3958308992319,2cyclictest0-21swapper/019:20:120
3958308992318,3cyclictest4019460-21sort20:10:130
395830899231,2cyclictest74894-21ps00:15:170
395830899231,2cyclictest4095586-21apt-get21:25:100
395830899231,2cyclictest4075016-21cron21:05:000
395830899230,22cyclictest95650-21irqcore00:35:160
395830899230,22cyclictest23337-21idleruntime-cro23:25:000
395830899230,20cyclictest0-21swapper/023:45:120
3958316992219,2cyclictest4085895-21grep21:15:173
3958316992219,2cyclictest0-21swapper/300:25:143
3958316992216,4cyclictest54560-21grep23:55:163
395831699220,3cyclictest93955-21runrttasks00:30:203
395831699220,3cyclictest59627-21sort00:00:163
395831699220,21cyclictest4177566-21tr22:45:173
395831699220,20cyclictest0-21swapper/321:40:153
395831699220,19cyclictest0-21swapper/323:25:113
395831699220,18cyclictest0-21swapper/319:15:133
3958314992219,2cyclictest1-21systemd00:31:572
3958314992219,1cyclictest0-21swapper/222:45:142
3958314992218,2cyclictest95158-21apt-get00:35:112
3958314992218,2cyclictest4192261-21apt-get23:00:122
3958314992218,2cyclictest4085407-21apt-get21:15:122
395831499221,19cyclictest4054610-21apt-get20:45:122
395831499221,19cyclictest4054610-21apt-get20:45:122
395831499221,19cyclictest0-21swapper/219:15:132
395831499220,2cyclictest0-21swapper/222:00:122
395831499220,20cyclictest0-21swapper/219:10:212
395831499220,19cyclictest4105743-21apt-get21:35:102
395831499220,19cyclictest4004058-21apt-get19:55:122
395831499220,19cyclictest0-21swapper/222:35:112
395831099222,2cyclictest4065190-21apt-get20:55:131
395831099222,1cyclictest74410-21apt-get00:15:131
3958310992218,2cyclictest4141195-21apt-get22:10:121
395831099221,20cyclictest0-21swapper/121:50:001
395831099220,3cyclictest4192757-21ps23:00:161
395831099220,1cyclictest0-21swapper/123:40:111
395831099220,19cyclictest0-21swapper/122:05:121
395831099220,19cyclictest0-21swapper/120:20:111
3958308992219,2cyclictest0-21swapper/020:30:120
3958308992218,3cyclictest4182613-21grep22:50:130
3958308992218,3cyclictest0-21swapper/000:20:440
3958308992218,2cyclictest0-21swapper/023:00:120
3958308992218,2cyclictest0-21swapper/022:45:140
3958308992218,2cyclictest0-21swapper/021:35:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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