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2026-07-25 - 07:23
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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 Sat Jul 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307500999300,21cyclictest3095990-21grep19:30:163
3075009992920,8cyclictest516-21rs:main3
3074999992920,8cyclictest3157234-21apt-get20:30:120
307500999287,2cyclictest0-21swapper/320:15:013
3075009992716,10cyclictest0-21swapper/321:34:593
3075009992617,7cyclictest3110824-21idleruntime-cro19:45:013
3075009992614,2cyclictest0-21swapper/300:40:003
3075009992614,2cyclictest0-21swapper/300:40:003
307500999261,23cyclictest0-21swapper/300:20:133
307500599261,21cyclictest3388349-21apt-get00:15:112
307500599261,21cyclictest3218619-21apt-get21:30:132
307500199261,21cyclictest0-21swapper/122:20:121
3075009992516,7cyclictest0-21swapper/322:05:123
3075009992516,7cyclictest0-21swapper/322:05:123
307500999251,21cyclictest3234294-21apt-get21:45:113
307500599252,2cyclictest3259612-21apt-get22:10:122
307500599252,21cyclictest3213549-21apt-get21:25:132
307500599251,4cyclictest3136659-21cron20:10:002
307500599251,21cyclictest3383238-21apt-get00:10:132
307500599250,5cyclictest3398746-21unin-run00:25:002
307500599250,5cyclictest3347139-21taskset23:35:102
307500599250,5cyclictest3230153-21sort21:40:162
307500199252,2cyclictest3121237-21apt-get19:55:131
3075001992520,3cyclictest3085349-21apt-get19:20:101
307500199251,3cyclictest3331893-21apt-get23:20:121
307500199251,20cyclictest3142006-21apt-get20:15:121
307500199251,20cyclictest0-21swapper/121:25:131
307499999252,21cyclictest3162309-21apt-get20:35:120
307499999250,5cyclictest3777322-21systemd-journal22:25:000
3075009992417,6cyclictest0-21swapper/321:55:133
307500999241,3cyclictest3362862-21apt-get23:50:123
307500999241,20cyclictest3147075-21apt-get20:20:113
307500999241,20cyclictest0-21swapper/322:20:133
307500999241,20cyclictest0-21swapper/321:15:113
307500999240,21cyclictest3331217-21munin-run23:20:013
307500999240,1cyclictest0-21swapper/322:42:053
307500999240,1cyclictest0-21swapper/321:00:133
3075005992419,3cyclictest3244154-21cron21:54:592
3075005992419,3cyclictest3111096-21apt-get19:45:122
307500599241,3cyclictest3208476-21apt-get21:20:112
307500599241,2cyclictest3147075-21apt-get20:20:112
307500599241,21cyclictest3146801-21cron20:20:002
307500599240,21cyclictest0-21swapper/219:10:122
307500599240,20cyclictest3224074-21apt-get21:35:012
307500599240,20cyclictest0-21swapper/219:30:092
3075001992419,3cyclictest3126328-21apt-get20:00:111
3075001992419,3cyclictest0-21swapper/122:49:591
307500199241,2cyclictest3090422-21apt-get19:25:131
307500199241,21cyclictest3248859-21taskset21:55:511
307500199241,21cyclictest3229201-21apt-get21:40:121
307500199241,21cyclictest3152143-21apt-get20:25:101
307500199241,20cyclictest0-21swapper/100:30:111
307500199240,23cyclictest3147556-21irqcore20:20:151
307500199240,20cyclictest0-21swapper/123:50:111
307499999241,21cyclictest3295561-21apt-get22:45:110
307499999240,23cyclictest3280419-21irqcore22:30:150
3075009992319,2cyclictest3383238-21apt-get00:10:133
3075009992319,2cyclictest0-21swapper/320:15:183
3075009992318,4cyclictest0-21swapper/323:40:003
307500999231,20cyclictest0-21swapper/323:00:113
307500999231,19cyclictest0-21swapper/323:25:053
307500999230,21cyclictest3265175-21grep22:15:163
307500999230,20cyclictest3399468-21ps00:25:173
307500999230,20cyclictest3331857-21apt-get23:20:033
307500999230,20cyclictest0-21swapper/321:35:123
307500999230,19cyclictest0-21swapper/323:30:133
307500599231,2cyclictest0-21swapper/220:25:102
307500599231,20cyclictest0-21swapper/223:20:122
307500599231,20cyclictest0-21swapper/222:00:122
307500599231,19cyclictest0-21swapper/221:00:132
307500599230,4cyclictest3157722-21grep20:30:152
307500599230,22cyclictest3290998-21sort22:40:182
307500599230,20cyclictest30904252chrt19:25:132
307500599230,20cyclictest0-21swapper/223:30:122
307500599230,20cyclictest0-21swapper/220:40:112
307500599230,20cyclictest0-21swapper/220:00:112
307500199231,2cyclictest3075212-21apt-get19:10:121
307500199231,21cyclictest3331253-21munin-run23:20:011
307500199230,2cyclictest3393894-21apt-get00:20:131
307500199230,21cyclictest0-21swapper/119:30:121
3074999992320,2cyclictest3100579-21apt-get19:35:120
307499999231,2cyclictest3373078-21apt-get00:00:130
307499999231,2cyclictest3300676-21apt-get22:50:130
307499999231,2cyclictest3249477-21apt-get22:00:120
307499999231,2cyclictest3203382-21apt-get21:15:120
307499999231,2cyclictest3198289-21apt-get21:10:130
307499999231,21cyclictest3310811-21apt-get23:00:110
3075009992219,1cyclictest0-21swapper/319:50:123
3075009992218,3cyclictest3254269-21cron22:04:593
307500999221,2cyclictest3352231-21apt-get23:40:133
307500999220,19cyclictest3197921-21apt-key21:10:013
307500999220,19cyclictest0-21swapper/320:55:063
307500999220,19cyclictest0-21swapper/319:55:133
307500999220,19cyclictest0-21swapper/300:20:003
3075005992219,2cyclictest0-21swapper/223:15:112
3075005992219,2cyclictest0-21swapper/200:05:132
3075005992218,2cyclictest3207312-21ntpq21:15:192
3075005992217,3cyclictest3282142-21sort22:30:182
307500599221,2cyclictest0-21swapper/222:50:122
307500599220,20cyclictest0-21swapper/221:45:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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