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2026-06-25 - 08:24
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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 Thu Jun 25, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3112720993315,8cyclictest0-21swapper/321:40:013
311272099330,30cyclictest3345028-21grep22:55:163
311272099321,11cyclictest3153240-21cron19:50:013
311272099320,31cyclictest3261957-21cron21:35:003
3112720993018,10cyclictest3184933-21sed20:20:173
311272099301,28cyclictest500-21dbus-daemon21:30:003
311272099301,26cyclictest0-21swapper/320:40:123
311272099300,28cyclictest3293950-21grep22:05:163
311272099298,14cyclictest0-21swapper/322:20:223
311272099289,10cyclictest3200123-21apt-key20:35:013
311272099281,8cyclictest0-21swapper/300:00:003
311272099281,7cyclictest0-21swapper/322:40:003
311272099281,25cyclictest3415130-21munin-run00:05:003
311272099281,23cyclictest3112947-21apt-get19:10:113
311272099281,13cyclictest3445659-21latency_hist00:35:013
311272099280,9cyclictest3424517-21wc00:10:233
311272099280,8cyclictest0-21swapper/320:10:203
311272099280,27cyclictest3201047-21ps20:35:163
311272099280,26cyclictest3399927-21cron23:50:003
311272099280,26cyclictest3399927-21cron23:50:003
311272099272,22cyclictest3435629-21apt-get00:25:113
311272099271,23cyclictest3359725-21apt-get23:10:123
311272099261,5cyclictest0-21swapper/320:56:253
311272099261,22cyclictest3179340-21apt-get20:15:143
311272099261,21cyclictest3133248-21apt-get19:30:133
311272099260,24cyclictest0-21swapper/323:20:093
311272099260,23cyclictest0-21swapper/320:50:123
311272099260,21cyclictest64-21kcompactd000:20:113
311272099260,14cyclictest3240075-21tr21:10:183
311272099260,13cyclictest3359514-21date23:10:003
311272099260,13cyclictest3164349-21tune2fs20:00:143
311272099252,3cyclictest3400200-21apt-get23:50:123
311272099251,21cyclictest3247073-21apt-get21:20:103
311272099250,23cyclictest3173961-21cron20:10:003
311272099250,22cyclictest3138319-21taskset19:35:123
311272099250,13cyclictest3161257-21kthreadcore19:55:173
311271099252,21cyclictest171ktimers/021:40:010
3112720992419,3cyclictest3390606-21sed23:40:163
3112720992419,3cyclictest3318791-21apt-get22:30:123
3112720992417,5cyclictest3190457-21irqstats20:25:143
3112720992416,5cyclictest3210733-21apt-get20:45:133
311272099241,20cyclictest0-21swapper/323:25:113
311272099241,20cyclictest0-21swapper/319:25:113
311272099241,20cyclictest0-21swapper/300:35:123
311272099241,20cyclictest0-21swapper/300:15:123
311272099240,23cyclictest0-21swapper/321:50:443
311272099240,22cyclictest3331563-21ps22:40:163
311272099240,21cyclictest0-21swapper/322:00:123
311272099240,20cyclictest0-21swapper/321:45:033
311272099240,12cyclictest3418380-21grep00:05:173
3112715992421,2cyclictest514-21in:imuxsock21:10:012
311271599241,22cyclictest3242029-21apt-get21:15:132
311271199242,21cyclictest3138316-21apt-get19:35:141
3112710992420,2cyclictest3395151-21apt-get23:45:120
3112710992420,2cyclictest3395151-21apt-get23:45:120
3112710992420,2cyclictest3169154-21apt-get20:05:120
311271099241,21cyclictest3128178-21apt-get19:25:110
311271099240,4cyclictest702-21runrttasks19:15:140
311271099240,22cyclictest3293205-21basename22:05:000
3112720992319,2cyclictest0-21swapper/319:50:123
311272099231,3cyclictest0-21swapper/321:55:123
311272099231,21cyclictest0-21swapper/322:25:173
311272099231,20cyclictest3246812-21turbostat21:20:003
311272099230,20cyclictest0-21swapper/322:15:133
311272099230,20cyclictest0-21swapper/319:40:053
311272099230,11cyclictest3232149-21cut21:05:133
3112715992321,1cyclictest0-21swapper/222:40:002
3112715992319,2cyclictest3184426-21apt-get20:20:132
311271599231,2cyclictest3200549-21apt-get20:35:122
311271599231,2cyclictest0-21swapper/200:25:162
311271599231,20cyclictest3334422-21apt-get22:45:102
311271599231,20cyclictest3257164-21apt-get21:30:112
311271599230,22cyclictest3278782-21irqcore21:50:162
3112711992320,2cyclictest3308685-21apt-get22:20:131
311271199231,21cyclictest3328624-21sh22:40:001
311271199231,21cyclictest3283367-21apt-get21:55:141
311271199231,21cyclictest3273219-21apt-get21:45:121
311271199231,20cyclictest3288417-21apt-get22:00:111
311271199230,21cyclictest3184153-21idleruntime-cro20:19:591
311271099232,20cyclictest3148428-21apt-get19:45:110
3112710992317,4cyclictest3359454-21sh23:10:000
311271099231,2cyclictest3214681-21ntpq20:45:210
311271099231,2cyclictest3174246-21apt-get20:10:110
3112720992219,1cyclictest0-21swapper/322:54:423
311272099220,12cyclictest3365847-21grep23:15:173
311271599221,19cyclictest0-21swapper/222:05:112
311271599220,2cyclictest3389862-21munin-run23:40:002
311271599220,19cyclictest0-21swapper/219:10:112
3112711992214,1cyclictest191rcu_preempt21:35:251
311271199221,19cyclictest0-21swapper/119:55:121
311271199220,2cyclictest3157037-21tr19:50:191
311271199220,21cyclictest64-21kcompactd022:15:261
311271199220,21cyclictest3251842-21cron21:25:001
311271199220,20cyclictest3777322-21systemd-journal21:19:591
311271199220,19cyclictest0-21swapper/122:05:121
311271199220,19cyclictest0-21swapper/120:35:121
311271099225,5cyclictest16-21ksoftirqd/019:10:010
3112710992219,2cyclictest3430598-21apt-get00:20:110
3112710992219,2cyclictest3143361-21apt-get19:40:110
3112710992219,2cyclictest211rcuc/023:15:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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