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2026-07-28 - 10:26
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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 Tue Jul 28, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
386434599331,4cyclictest8782-21cron00:40:003
386434599321,3cyclictest3925533-21awk20:09:593
386434599321,3cyclictest0-21swapper/319:10:133
386434599311,3cyclictest0-21swapper/322:15:133
386434599311,22cyclictest0-21swapper/322:40:133
386434599310,4cyclictest3993537-21grep21:15:183
386434599301,4cyclictest4140353-21cron23:40:003
386434599301,20cyclictest0-21swapper/321:50:113
386434599300,4cyclictest4130222-21idleruntime-cro23:30:003
386434599292,2cyclictest3930851-21apt-get20:15:133
3864345992921,7cyclictest4171364-21https00:10:003
386434599291,3cyclictest4115286-21apt-get23:15:123
386434599290,26cyclictest0-21swapper/322:30:183
3864345992820,6cyclictest3977376-21apt-get21:00:133
386434599281,2cyclictest0-21swapper/319:20:113
3864345992718,7cyclictest0-21swapper/300:25:123
386434599271,21cyclictest0-21swapper/323:45:133
386434599270,2cyclictest0-21swapper/319:40:003
386434599270,26cyclictest0-21swapper/320:40:203
386434599270,25cyclictest0-21swapper/300:15:113
386434599270,20cyclictest0-21swapper/323:08:443
386434099270,20cyclictest191rcu_preempt21:20:012
3864345992619,5cyclictest4099707-21cron23:00:003
3864345992614,10cyclictest3967282-21sort20:50:163
3864345992614,10cyclictest3967282-21sort20:50:163
386434599261,21cyclictest0-21swapper/321:05:133
386434599260,23cyclictest64-21kcompactd021:35:113
386434099263,21cyclictest3961702-21apt-get20:45:142
386433799263,20cyclictest3946054-21apt-get20:30:131
386433799262,20cyclictest3998084-21apt-get21:20:111
386433599260,25cyclictest3916158-21tr20:00:170
386434599252,3cyclictest3894995-21apt-get19:40:133
3864345992519,3cyclictest3971861-21apt-get20:55:143
386434599251,20cyclictest4008268-21apt-get21:30:133
386434599251,20cyclictest0-21swapper/322:10:123
386434599251,20cyclictest0-21swapper/319:45:133
386434599250,2cyclictest64-21kcompactd000:32:363
386434599250,23cyclictest4135291-21basename23:35:003
386434099253,21cyclictest514-21in:imuxsock00:30:002
386434099251,22cyclictest4038735-21apt-get22:00:122
3864337992519,4cyclictest4022845-21head21:40:251
386433799251,22cyclictest4003176-21apt-get21:25:141
386433799251,21cyclictest4074600-21apt-get22:35:131
3864335992523,1cyclictest0-21swapper/019:15:480
386433599251,22cyclictest4024023-21ps21:45:150
3864345992421,2cyclictest4104826-21cron23:05:003
3864345992420,2cyclictest4161379-21apt-get00:00:113
3864345992418,5cyclictest64-21kcompactd019:55:443
386434599241,21cyclictest0-21swapper/300:20:153
386434599241,20cyclictest0-21swapper/323:20:113
386434599241,20cyclictest0-21swapper/322:00:133
386434599241,20cyclictest0-21swapper/320:10:133
386434599240,23cyclictest64-21kcompactd023:13:033
386434599240,21cyclictest0-21swapper/321:10:133
3864340992419,3cyclictest4028351-21munin-run21:50:012
3864337992420,2cyclictest4069532-21apt-get22:30:131
3864337992420,2cyclictest4059439-21apt-get22:20:111
386433799241,20cyclictest4064486-21apt-get22:25:141
386433799241,20cyclictest0-21swapper/123:05:121
386433799241,1cyclictest4033682-21apt-get21:55:151
386433599242,2cyclictest4099987-21apt-get23:00:130
3864335992420,2cyclictest3993037-21apt-get21:15:140
3864335992420,2cyclictest3905531-21apt-get19:50:130
3864335992418,4cyclictest4079393-21idleruntime-cro22:40:000
386433599241,2cyclictest3925807-21apt-get20:10:130
3864345992319,3cyclictest0-21swapper/319:30:143
3864345992318,4cyclictest0-21swapper/320:39:493
386434599231,2cyclictest3869658-21apt-get19:15:443
386434599231,2cyclictest0-21swapper/322:35:123
386434599231,2cyclictest0-21swapper/321:20:113
386434599231,2cyclictest0-21swapper/320:00:133
386434599231,20cyclictest0-21swapper/321:45:113
386434599231,20cyclictest0-21swapper/321:40:113
386434599230,3cyclictest3936405-21ps20:20:163
386434599230,20cyclictest0-21swapper/320:30:133
3864340992320,2cyclictest0-21swapper/220:35:002
3864340992319,2cyclictest4178071-21sed00:15:162
3864340992319,2cyclictest3930588-21munin-run20:14:592
386434099230,21cyclictest3992759-21cron21:15:012
3864337992320,2cyclictest516-21rs:main1
3864337992320,2cyclictest4023539-21apt-get21:45:111
3864337992319,3cyclictest3899805-21munin-run19:45:001
3864337992319,2cyclictest4008268-21apt-get21:30:121
386433799230,21cyclictest3956328-21sed20:40:011
386433799230,20cyclictest0-21swapper/123:35:141
3864335992320,2cyclictest3900485-21apt-get19:45:110
3864335992320,1cyclictest3982869-21apt-get21:05:130
3864335992319,2cyclictest4172034-21apt-get00:10:130
3864335992319,2cyclictest3889948-21apt-get19:35:130
386433599231,2cyclictest4120335-21apt-get23:20:120
386433599230,4cyclictest4141544-21irqcore23:40:150
386433599230,3cyclictest1-21systemd22:35:000
386433599230,21cyclictest4136051-21sed23:35:180
386433599230,19cyclictest0-21swapper/022:40:460
3864345992218,2cyclictest0-21swapper/322:20:103
3864345992217,3cyclictest4151215-21apt-get23:50:133
386434599221,2cyclictest4156305-21apt-get23:55:143
3864340992219,2cyclictest4013358-21apt-get21:35:122
3864340992218,3cyclictest4147071-21ps23:45:172
3864340992217,3cyclictest4141055-21apt-get23:40:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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