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2026-03-20 - 11:05
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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 Fri Mar 20, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31570099351,22cyclictest366729-21cron20:00:003
31570099311,27cyclictest535478-21apt-get22:45:123
31570099311,22cyclictest647909-21apt-get00:35:123
31569699310,20cyclictest519609-21cron22:30:002
31570099301,2cyclictest418106-21apt-get20:50:123
31570099301,21cyclictest261-21systemd-journal22:30:003
31569699300,3cyclictest366727-21cron20:00:002
31570099292,2cyclictest387705-21apt-get20:20:113
31570099290,27cyclictest1-21systemd19:25:003
31569699291,26cyclictest500-21dbus-daemon19:25:002
31569699290,20cyclictest0-21swapper/200:35:122
31569699290,1cyclictest591906-21apt-get23:40:102
31570099280,3cyclictest320996-21apt-get19:15:123
315696992818,8cyclictest402634-21turbostat.cron20:35:002
315700992718,7cyclictest0-21swapper/322:15:113
31570099270,24cyclictest0-21swapper/300:10:103
31569699272,21cyclictest601989-21apt-get23:50:112
31569699271,2cyclictest0-21swapper/220:20:112
31569699270,1cyclictest0-21swapper/220:50:122
315700992620,5cyclictest0-21swapper/320:15:133
31570099261,22cyclictest529981-21apt-get22:40:113
31570099261,22cyclictest0-21swapper/323:45:133
315700992612,13cyclictest0-21swapper/323:30:003
31570099260,25cyclictest0-21swapper/323:30:213
315696992619,4cyclictest622162-21apt-get00:10:102
31569699260,25cyclictest0-21swapper/222:45:122
31569699260,20cyclictest589081-21ps23:35:172
31569699260,20cyclictest0-21swapper/219:15:122
31569299262,20cyclictest443947-21apt-get21:15:111
31568999262,23cyclictest261-21systemd-journal00:25:000
31568999262,22cyclictest535478-21apt-get22:45:110
315700992518,5cyclictest561159-21apt-get23:10:113
315700992517,6cyclictest1-21systemd20:30:013
31570099251,2cyclictest551074-21apt-get23:00:123
31570099251,21cyclictest360810-21ntpq19:50:203
31570099251,21cyclictest337105-21tr19:30:143
31570099251,21cyclictest337105-21tr19:30:143
31570099251,21cyclictest0-21swapper/322:05:123
31570099251,21cyclictest0-21swapper/322:05:123
31570099251,21cyclictest0-21swapper/300:15:133
31570099251,20cyclictest438850-21apt-get21:10:123
31570099250,23cyclictest0-21swapper/322:10:113
31570099250,22cyclictest428270-21taskset21:00:113
31570099250,22cyclictest0-21swapper/319:45:113
31569699251,20cyclictest632678-21apt-get00:20:122
31569699250,2cyclictest0-21swapper/221:05:122
31569699250,23cyclictest0-21swapper/219:45:102
31569699250,18cyclictest0-21swapper/222:20:112
31569299252,20cyclictest596938-21apt-get23:45:121
31569299251,20cyclictest514800-21apt-get22:25:121
31568999251,22cyclictest607022-21apt-get23:55:120
315700992420,2cyclictest617109-21apt-get00:05:113
315700992419,3cyclictest642831-21apt-get00:30:113
315700992419,3cyclictest346756-21seq19:40:113
315700992415,8cyclictest0-21swapper/300:00:183
31570099241,3cyclictest0-21swapper/321:05:123
315700992413,1cyclictest0-21swapper/321:40:003
31570099241,20cyclictest0-21swapper/320:30:133
31570099240,20cyclictest0-21swapper/322:55:123
315696992413,9cyclictest637821-21cpuspeed_turbos00:25:122
31569699241,22cyclictest489246-21munin-run22:00:002
31569699241,20cyclictest346753-21apt-get19:40:112
31569699241,20cyclictest0-21swapper/221:35:112
31569699240,21cyclictest0-21swapper/222:15:122
315692992420,3cyclictest325817-21idleruntime-cro19:20:001
315692992420,2cyclictest545597-21apt-get22:55:111
31569299241,22cyclictest439338-21grep21:10:161
31569299241,20cyclictest586876-21apt-get23:35:121
31569299241,20cyclictest341683-21apt-get19:35:111
31569299240,4cyclictest560881-21cron23:10:001
31568999242,20cyclictest392788-21apt-get20:25:130
315689992420,2cyclictest479372-21apt-get21:50:120
315689992420,2cyclictest336616-21apt-get19:30:100
315689992420,2cyclictest336616-21apt-get19:30:090
315689992419,3cyclictest459137-21apt-get21:30:120
31568999241,3cyclictest499611-21apt-get22:10:110
31568999241,22cyclictest627644-21apt-get00:15:120
31568999241,21cyclictest561159-21apt-get23:10:110
31568999241,20cyclictest402899-21apt-get20:35:110
31568999240,22cyclictest622652-21tr00:10:140
31568999240,21cyclictest535075-21sed22:45:000
315700992320,2cyclictest0-21swapper/319:35:113
315700992319,2cyclictest586879-21taskset23:35:103
315700992319,2cyclictest0-21swapper/320:10:133
31570099231,2cyclictest636623-21ntpq00:20:213
31570099231,2cyclictest407717-21grep20:40:003
31570099231,2cyclictest0-21swapper/321:45:113
31570099230,19cyclictest0-21swapper/321:30:123
315696992319,2cyclictest407968-21apt-get20:40:122
315696992317,5cyclictest0-21swapper/220:15:122
31569699231,2cyclictest612058-21apt-get00:00:132
31569699231,2cyclictest571291-21apt-get23:20:102
31569699230,22cyclictest346506-21awk19:40:002
31569699230,21cyclictest337099-21ps19:30:142
31569699230,21cyclictest337099-21ps19:30:142
31569699230,21cyclictest0-21swapper/221:30:122
31569699230,20cyclictest0-21swapper/221:00:102
31569699230,1cyclictest407716-21munin-run20:40:002
31569699230,1cyclictest0-21swapper/223:45:122
315692992319,2cyclictest377542-21apt-get20:10:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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