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2026-04-13 - 17:55
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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 Mon Apr 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3065489993329,2cyclictest0-21swapper/209:30:162
3065491993117,2cyclictest3402136-21latency_hist12:40:003
306549199301,21cyclictest3234344-21apt-get09:55:123
306549199290,3cyclictest3381195-21apt-get12:20:003
306548599271,21cyclictest3116746-21apt-get08:00:111
306548599270,24cyclictest730-21sshd12:00:151
306549199261,21cyclictest3183115-21apt-get09:05:133
306548999262,21cyclictest3381891-21apt-get12:20:132
3065489992619,5cyclictest3295206-21cron10:55:002
306548999261,4cyclictest261-21systemd-journal08:50:002
3065491992519,1cyclictest3106610-21apt-get07:50:113
306548999251,21cyclictest3157718-21apt-get08:40:112
306548999251,20cyclictest0-21swapper/211:45:122
306548999250,22cyclictest3274849-21chrt10:35:132
3065485992520,2cyclictest3305545-21apt-get11:05:131
306548599251,20cyclictest3101556-21apt-get07:45:121
306548599251,20cyclictest0-21swapper/111:10:131
3065481992519,4cyclictest3224259-21grep09:45:160
3065481992519,3cyclictest3254755-21df10:15:150
3065491992420,2cyclictest3300511-21apt-get11:00:113
3065491992420,2cyclictest3167837-21apt-get08:50:143
3065491992418,2cyclictest64-21kcompactd008:39:333
306549199241,20cyclictest3330799-21apt-get11:30:133
306549199241,20cyclictest0-21swapper/311:55:123
306549199240,21cyclictest3264716-21taskset10:25:123
306549199240,18cyclictest0-21swapper/308:25:113
306548999241,21cyclictest3079798-21ntpq07:20:202
306548999241,20cyclictest0-21swapper/212:25:122
306548999240,21cyclictest0-21swapper/210:40:132
306548999240,20cyclictest0-21swapper/212:30:132
3065485992419,3cyclictest3096524-21apt-get07:40:121
3065485992417,5cyclictest3387384-21ps12:25:161
306548599241,20cyclictest3295488-21apt-get10:55:141
306548599241,20cyclictest3152650-21apt-get08:35:111
306548599240,4cyclictest3345747-21munin-run11:45:011
306548599240,20cyclictest0-21swapper/110:05:121
306548599240,20cyclictest0-21swapper/107:25:131
3065481992420,3cyclictest3218700-21apt-get09:40:130
3065481992419,3cyclictest3340678-21cron11:40:010
3065481992418,4cyclictest3213632-21taskset09:35:120
306548199241,20cyclictest3351064-21apt-get11:50:130
3065491992320,1cyclictest3274846-21apt-get10:35:133
3065491992319,2cyclictest3279924-21apt-get10:40:133
3065491992319,2cyclictest0-21swapper/311:10:123
306549199230,20cyclictest0-21swapper/308:15:133
306549199230,19cyclictest0-21swapper/309:20:133
3065489992320,2cyclictest3284978-21apt-get10:45:132
3065489992320,2cyclictest3137444-21apt-get08:20:132
3065489992319,3cyclictest1-21systemd12:20:002
3065489992316,5cyclictest3315377-21cron11:15:012
3065489992316,5cyclictest0-21swapper/210:04:592
306548999231,20cyclictest0-21swapper/212:05:102
306548999231,19cyclictest0-21swapper/209:55:122
306548999230,21cyclictest3085957-21apt-key07:30:002
306548999230,20cyclictest0-21swapper/212:00:122
306548999230,20cyclictest0-21swapper/209:00:112
306548999230,20cyclictest0-21swapper/208:10:112
306548999230,20cyclictest0-21swapper/207:15:112
306548999230,19cyclictest0-21swapper/208:15:132
3065485992320,2cyclictest3192958-21idleruntime-cro09:15:001
3065485992319,3cyclictest3111414-21cron07:55:011
3065485992319,2cyclictest3397034-21apt-get12:35:111
3065485992319,2cyclictest3371304-21apt-get12:10:121
3065485992319,2cyclictest3356094-21apt-get11:55:131
3065485992319,2cyclictest3320685-21apt-get11:20:101
306548599231,21cyclictest261-21systemd-journal08:35:001
306548599230,4cyclictest3228556-21idleruntime-cro09:49:591
306548599230,21cyclictest3353275-21sed11:50:191
306548599230,20cyclictest0-21swapper/108:15:121
3065481992319,2cyclictest3244483-21apt-get10:05:120
3065481992319,2cyclictest3075882-21apt-get07:20:110
306548199231,20cyclictest3239414-21apt-get10:00:110
306548199230,20cyclictest0-21swapper/011:05:130
3065491992219,2cyclictest3091471-21apt-get07:35:123
3065491992219,1cyclictest3264432-21cron10:25:003
3065491992219,1cyclictest3264432-21cron10:25:003
306549199220,21cyclictest3373134-21kthreadcore12:10:173
306549199220,20cyclictest3250022-21irqcore10:10:173
306549199220,19cyclictest0-21swapper/308:30:133
306549199220,19cyclictest0-21swapper/307:55:123
3065489992219,2cyclictest0-21swapper/211:20:102
3065489992218,2cyclictest3310339-21munin-run11:10:012
3065489992218,2cyclictest3147607-21apt-get08:30:142
3065489992218,2cyclictest0-21swapper/211:35:122
306548999220,4cyclictest3376129-21idleruntime-cro12:15:002
306548999220,3cyclictest3345757-21idleruntime-cro11:45:012
306548999220,2cyclictest3351401-21gltestperf11:50:162
306548999220,2cyclictest3070501-21cron07:15:002
306548999220,20cyclictest3188669-21ps09:10:152
306548999220,19cyclictest0-21swapper/209:45:122
3065485992219,2cyclictest3233680-21systemd-run09:55:001
3065485992219,2cyclictest3091218-21idleruntime-cro07:35:001
3065485992219,2cyclictest3091218-21idleruntime-cro07:35:001
3065485992218,2cyclictest3269792-21apt-get10:30:141
3065485992218,2cyclictest3065699-21apt-get07:10:111
3065485992217,3cyclictest3259425-21munin-run10:19:591
306548599221,20cyclictest3346007-21apt-get11:45:101
306548599221,1cyclictest0-21swapper/109:30:121
306548599220,20cyclictest0-21swapper/110:20:121
306548599220,20cyclictest0-21swapper/110:20:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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