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2026-07-24 - 04:57
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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 Jul 24, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4193206993633,2cyclictest117964-21irqcore21:05:173
419320299331,21cyclictest323524-21irqcore00:25:172
419320299321,3cyclictest133096-21apt-get21:20:142
4193202992919,8cyclictest245817-21cron23:10:002
4193202992818,8cyclictest307899-21grep00:10:182
419320299280,10cyclictest235708-21awk22:59:592
419319899272,23cyclictest333246-21apt-get00:35:131
419319899272,21cyclictest220324-21apt-get22:45:121
419320699261,5cyclictest3777322-21systemd-journal20:25:003
4193202992619,6cyclictest0-21swapper/200:00:122
419320299260,19cyclictest0-21swapper/221:10:132
419319899261,21cyclictest0-21swapper/120:45:141
419319699262,22cyclictest76473-21apt-get20:25:110
419319699260,7cyclictest142984-21basename21:30:000
419320699252,3cyclictest19771-21apt-get19:30:113
419320699251,20cyclictest261289-21apt-get23:25:113
419320699251,20cyclictest261289-21apt-get23:25:103
419320699251,20cyclictest107355-21apt-get20:55:123
419320699250,22cyclictest281612-21taskset23:45:113
4193202992519,4cyclictest215278-21apt-get22:40:122
419319899252,3cyclictest0-21swapper/122:50:181
419319899252,21cyclictest281609-21apt-get23:45:111
419319899252,21cyclictest0-21swapper/120:10:151
419319899251,21cyclictest0-21swapper/122:20:141
419319899251,20cyclictest35447-21apt-get19:45:121
419319899251,20cyclictest0-21swapper/119:10:121
419319899250,23cyclictest3777322-21systemd-journal20:35:001
4193196992522,2cyclictest317996-21apt-get00:20:130
419319699251,22cyclictest61238-21apt-get20:10:110
4193206992420,2cyclictest241002-21apt-get23:05:133
419320699241,21cyclictest49962-21ntpq19:55:223
419320699241,20cyclictest51078-21apt-get20:00:133
419320699241,20cyclictest0-21swapper/323:10:123
419320699241,20cyclictest0-21swapper/321:25:123
419320699240,21cyclictest87580-21grep20:35:153
419320299241,2cyclictest164402-21apt-get21:50:142
419320299241,20cyclictest102264-21apt-get20:50:122
419320299240,1cyclictest0-21swapper/223:19:432
4193198992420,2cyclictest312926-21apt-get00:15:141
4193198992419,3cyclictest291747-21apt-get23:55:111
4193198992419,3cyclictest153864-21apt-get21:40:131
4193198992418,4cyclictest55865-21cron20:04:591
419319899241,3cyclictest138163-21apt-get21:25:121
419319899241,21cyclictest3777322-21systemd-journal22:20:001
419319899241,21cyclictest0-21swapper/121:35:001
419319899240,20cyclictest64-21kcompactd022:35:061
419319899240,20cyclictest0-21swapper/123:25:111
419319899240,20cyclictest0-21swapper/123:25:101
419319899240,20cyclictest0-21swapper/121:35:121
4193196992420,2cyclictest117483-21apt-get21:05:140
419319699241,2cyclictest230889-21apt-get22:55:140
419319699241,21cyclictest40516-21apt-get19:50:120
419319699241,20cyclictest0-21swapper/021:45:020
419320699232,1cyclictest169474-21apt-get21:55:123
4193206992320,2cyclictest514-21in:imuxsock22:20:013
4193206992319,2cyclictest184768-21apt-get22:10:123
419320699231,2cyclictest307411-21apt-get00:10:133
419320699231,2cyclictest296532-21latency_hist00:00:013
419320699231,2cyclictest240746-21munin-run23:05:003
419320699230,22cyclictest71126-21cron20:20:003
419320699230,22cyclictest255923-21cron23:20:003
419320699230,20cyclictest0-21swapper/322:25:113
419320699230,20cyclictest0-21swapper/321:45:133
419320699230,20cyclictest0-21swapper/319:45:123
419320699230,20cyclictest0-21swapper/319:20:143
4193202992319,2cyclictest45670-21date19:55:002
4193202992318,3cyclictest120904-21cut21:05:192
4193202992313,9cyclictest3777322-21systemd-journal00:00:002
419320299230,4cyclictest10137-21sed19:20:182
419320299230,21cyclictest240742-21awk23:05:002
419320299230,20cyclictest286683-21seq23:50:132
419320299230,1cyclictest0-21swapper/221:42:572
419319899232,2cyclictest266358-21apt-get23:30:121
4193198992320,2cyclictest70266-21ntpq20:15:201
4193198992319,2cyclictest199956-21apt-get22:25:111
4193198992318,3cyclictest516-21rs:main1
419319899231,20cyclictest163277-21ntpq21:45:221
419319899230,22cyclictest291476-21basename23:55:001
419319899230,20cyclictest0-21swapper/123:40:121
4193196992318,3cyclictest154366-21tr21:40:170
419319699231,20cyclictest246093-21apt-get23:10:130
419319699230,21cyclictest265221-21runrttasks23:25:210
419319699230,21cyclictest265221-21runrttasks23:25:200
419319699230,21cyclictest112140-21awk21:00:000
419319699230,20cyclictest112413-21apt-get21:00:120
419319699230,20cyclictest0-21swapper/000:15:000
4193206992219,2cyclictest45476-21latency_hist19:55:003
4193206992219,2cyclictest198973-21/usr/sbin/munin22:20:253
419320699221,2cyclictest4193416-21apt-get19:10:123
419320699221,2cyclictest0-21swapper/300:25:253
419320699220,4cyclictest154353-21grep21:40:173
419320699220,2cyclictest0-21swapper/322:55:123
419320699220,21cyclictest60258-21seq20:05:243
419320699220,20cyclictest18660-21awk19:25:233
419320699220,20cyclictest0-21swapper/320:50:123
419320699220,19cyclictest0-21swapper/321:30:123
4193202992219,2cyclictest24864-21apt-get19:35:122
4193202992219,1cyclictest0-21swapper/220:20:092
4193202992218,3cyclictest64-21kcompactd022:48:332
4193202992218,2cyclictest230192-21apt-get22:55:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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