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2026-04-02 - 11:48
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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 Apr 02, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3018895993734,2cyclictest4132678-21kworker/3:1+pm19:48:563
3018885993331,1cyclictest3008498-21kworker/0:2+pm19:48:570
301889599321,21cyclictest514-21in:imuxsock23:45:003
301889599302,24cyclictest3079901-21apt-get20:10:103
3018895992918,10cyclictest3095301-21idleruntime-cro20:25:003
3018895992917,10cyclictest3100385-21cron20:30:003
301889599291,3cyclictest3019109-21apt-get19:10:133
301889599291,2cyclictest3156686-21cron21:25:003
301889599290,2cyclictest0-21swapper/320:00:133
3018895992718,7cyclictest0-21swapper/300:15:133
3018885992723,2cyclictest0-21swapper/020:20:000
301889599261,5cyclictest3339385-21cron00:25:003
3018895992614,3cyclictest3068558-21ntp_kernel_pll_19:55:213
301889599261,2cyclictest0-21swapper/321:50:123
301889599261,1cyclictest0-21swapper/321:45:413
3018895992520,3cyclictest3248532-21apt-get22:55:113
3018895992519,5cyclictest3024654-21irqcore19:15:153
3018895992514,2cyclictest0-21swapper/321:00:123
3018895992513,3cyclictest3321584-21ps00:05:173
3018895992513,3cyclictest3120339-21ntpq20:45:213
301889599251,23cyclictest3314047-21cron00:00:003
301889599251,21cyclictest3105757-21apt-get20:35:113
301889599251,21cyclictest0-21swapper/322:20:133
301889599251,21cyclictest0-21swapper/319:35:093
301889599250,21cyclictest0-21swapper/323:00:123
301889599250,21cyclictest0-21swapper/300:30:133
301889199252,20cyclictest3146828-21apt-get21:15:142
301889199251,23cyclictest3043741-21sshd19:30:252
301888999251,20cyclictest3207655-21apt-get22:15:121
3018885992522,2cyclictest3217488-21cron22:25:000
301888599251,22cyclictest3228272-21apt-get22:35:120
3018895992419,3cyclictest3227776-21apt-config22:35:003
3018895992418,4cyclictest3172216-21apt-get21:40:113
301889599241,2cyclictest3156967-21apt-get21:25:123
301889199241,20cyclictest0-21swapper/200:35:122
3018889992420,2cyclictest3084993-21apt-get20:15:121
301888999241,21cyclictest3197536-21apt-get22:05:121
301888599242,2cyclictest3116362-21apt-get20:45:110
3018885992420,2cyclictest3044397-21apt-get19:35:090
301888599241,21cyclictest3192461-21apt-get22:00:110
3018895992319,2cyclictest0-21swapper/321:35:123
3018895992319,2cyclictest0-21swapper/321:30:133
3018895992318,3cyclictest3104594-21runrttasks20:30:213
3018895992318,3cyclictest3039326-21seq19:30:113
3018895992317,4cyclictest0-21swapper/322:45:123
301889599231,2cyclictest0-21swapper/320:15:133
301889599231,20cyclictest3283647-21munin-run23:30:003
301889599230,5cyclictest3131354-21awk21:00:003
301889599230,21cyclictest3115674-21latency_hist20:45:003
3018891992319,2cyclictest0-21swapper/221:05:112
3018891992319,2cyclictest0-21swapper/220:45:002
301889199231,2cyclictest3217763-21apt-get22:25:112
301889199231,20cyclictest3100665-21apt-get20:30:122
301889199230,20cyclictest0-21swapper/222:55:122
301889199230,20cyclictest0-21swapper/220:50:102
3018889992319,2cyclictest3299089-21apt-get23:45:111
3018889992318,3cyclictest3243962-21ps22:50:161
301888999231,2cyclictest3258640-21apt-get23:05:131
301888999230,22cyclictest3115706-21apt-key20:45:001
3018885992320,2cyclictest3339660-21apt-get00:25:100
3018885992320,2cyclictest3110870-21apt-get20:40:110
3018885992320,2cyclictest3079639-21munin-run20:09:590
301888599231,2cyclictest3268770-21apt-get23:15:130
301888599231,2cyclictest3268770-21apt-get23:15:120
301888599231,2cyclictest0-21swapper/023:25:100
3018895992219,2cyclictest0-21swapper/322:42:063
3018895992219,2cyclictest0-21swapper/319:10:013
3018895992218,2cyclictest0-21swapper/323:20:123
3018895992217,3cyclictest3202612-21apt-get22:10:113
301889599221,2cyclictest0-21swapper/323:45:113
301889599221,2cyclictest0-21swapper/300:00:113
301889599220,3cyclictest3192963-21cut22:00:163
301889599220,2cyclictest0-21swapper/300:10:093
301889599220,20cyclictest0-21swapper/321:10:123
301889599220,19cyclictest0-21swapper/319:50:133
3018891992219,2cyclictest0-21swapper/219:55:122
3018891992219,1cyclictest3182330-21apt-get21:50:132
3018891992217,3cyclictest3258693-21awk23:05:132
301889199221,1cyclictest3074812-21apt-get20:05:122
301889199220,2cyclictest3349543-21basename00:35:012
301889199220,2cyclictest0-21swapper/220:55:122
301889199220,20cyclictest0-21swapper/221:25:132
301889199220,19cyclictest0-21swapper/221:20:122
3018889992218,2cyclictest3177284-21apt-get21:45:121
301888999221,2cyclictest3064650-21apt-get19:55:121
301888999220,21cyclictest3074532-21basename20:05:001
301888999220,19cyclictest0-21swapper/122:00:111
301888999220,19cyclictest0-21swapper/121:05:121
301888999220,19cyclictest0-21swapper/100:35:111
3018885992219,2cyclictest3146546-21cron21:15:000
3018885992218,3cyclictest3259128-21grep23:05:170
3018885992217,4cyclictest3339144-21seq00:22:070
301888599221,2cyclictest171ktimers/000:15:130
301888599221,2cyclictest0-21swapper/023:35:210
301888599221,1cyclictest0-21swapper/022:25:120
301888599220,2cyclictest3034760-21cut19:25:150
301888599220,21cyclictest3033984-21cron19:25:000
3018895992118,2cyclictest64-21kcompactd000:27:283
3018895992118,2cyclictest0-21swapper/321:55:103
3018895992118,2cyclictest0-21swapper/320:50:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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