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2026-03-17 - 17:39
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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 Tue Mar 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299351699282,21cyclictest3059873-21apt-get08:15:132
299351699271,24cyclictest3284705-21/usr/sbin/munin11:55:242
2993519992622,3cyclictest516-21rs:main3
2993519992619,6cyclictest0-21swapper/309:30:003
2993516992620,3cyclictest3248893-21apt-get11:20:112
299351699261,21cyclictest3238359-21apt-get11:10:112
299351699252,3cyclictest3064905-21apt-get08:20:112
2993516992520,3cyclictest3013900-21apt-get07:30:132
299351699251,21cyclictest3182344-21apt-get10:15:122
299351699251,21cyclictest0-21swapper/207:25:132
299351699251,20cyclictest3253976-21apt-get11:25:142
299351699250,21cyclictest0-21swapper/212:25:132
2993512992519,4cyclictest3197990-21ps10:30:161
299351299250,5cyclictest3135817-21chrt09:25:241
2993509992521,2cyclictest500-21dbus-daemon08:10:000
299350999251,22cyclictest2998759-21apt-get07:15:110
299350999251,20cyclictest3147018-21apt-get09:40:120
299351999242,2cyclictest3269571-21apt-get11:40:143
2993516992420,2cyclictest3325689-21apt-get12:35:112
2993516992419,4cyclictest3115638-21/usr/sbin/munin09:10:002
299351699241,2cyclictest3177289-21apt-get10:10:102
299351699241,2cyclictest0-21swapper/208:10:132
299351699241,20cyclictest0-21swapper/212:00:122
299351699241,20cyclictest0-21swapper/209:25:112
299351699241,20cyclictest0-21swapper/207:50:112
299351699241,20cyclictest0-21swapper/207:15:122
299351699240,20cyclictest0-21swapper/209:15:122
2993512992420,2cyclictest3279675-21apt-get11:50:111
2993512992418,3cyclictest3162177-21apt-get09:55:121
299351299241,21cyclictest3329598-21ntpq12:35:201
299351299241,20cyclictest3208038-21apt-get10:40:111
299351299241,20cyclictest3141986-21apt-get09:35:111
299351299240,23cyclictest3115605-21/usr/sbin/munin09:10:011
2993509992419,4cyclictest3198007-21grep10:30:150
299350999241,2cyclictest3116291-21apt-get09:10:110
299350999241,21cyclictest3264092-21apt-get11:35:100
299350999241,21cyclictest3213116-21apt-get10:45:110
299350999241,21cyclictest3069962-21apt-get08:25:140
299350999241,21cyclictest3054798-21apt-get08:10:130
299350999241,21cyclictest2993731-21apt-get07:10:120
299350999241,20cyclictest64-21kcompactd007:35:070
299350999240,3cyclictest211rcuc/007:50:110
299350999240,22cyclictest3315248-21cron12:25:000
299351999231,2cyclictest3223246-21apt-get10:55:123
299351999230,3cyclictest3115872-21grep09:10:013
299351999230,22cyclictest3222966-21cron10:55:003
299351999230,20cyclictest0-21swapper/310:15:123
299351999230,20cyclictest0-21swapper/308:00:123
2993516992319,2cyclictest3019456-21cut07:35:162
2993516992318,4cyclictest3238108-21grep11:10:002
2993516992318,4cyclictest3238108-21grep11:10:002
299351699231,2cyclictest3085518-21apt-get08:40:122
299351699231,2cyclictest0-21swapper/209:35:152
299351699231,2cyclictest0-21swapper/208:35:112
299351699231,20cyclictest3294861-21apt-get12:05:122
299351699231,20cyclictest3202298-21latency_hist10:35:012
299351699231,20cyclictest0-21swapper/210:20:142
299351699231,20cyclictest0-21swapper/209:40:122
299351699230,20cyclictest0-21swapper/212:20:102
2993512992319,2cyclictest3320602-21apt-get12:30:121
2993512992319,2cyclictest3233306-21apt-get11:05:111
2993512992319,2cyclictest3233306-21apt-get11:05:111
299351299231,1cyclictest3310446-21apt-get12:20:101
2993509992320,2cyclictest3074989-21apt-get08:30:120
2993509992320,2cyclictest0-21swapper/008:00:120
2993509992319,3cyclictest3080466-21apt-get08:35:110
299350999231,2cyclictest64-21kcompactd010:52:280
299350999231,2cyclictest0-21swapper/007:20:120
299350999231,20cyclictest3304714-21munin-run12:15:000
299350999230,3cyclictest3043989-21cron08:00:000
299350999230,20cyclictest3243414-21apt-get11:15:130
2993519992219,2cyclictest3085246-21idleruntime-cro08:40:003
2993519992218,2cyclictest3034135-21apt-get07:50:113
299351999220,20cyclictest0-21swapper/308:15:123
2993516992219,2cyclictest0-21swapper/211:35:192
2993516992219,2cyclictest0-21swapper/208:50:092
2993516992219,2cyclictest0-21swapper/208:30:122
2993516992219,1cyclictest0-21swapper/210:00:112
2993516992217,3cyclictest2998484-21cron07:15:002
299351699221,2cyclictest3172238-21apt-get10:05:112
299351699221,2cyclictest3157124-21apt-get09:50:122
299351699221,20cyclictest3232162-21ntpq11:00:212
299351699221,20cyclictest0-21swapper/209:48:272
299351699221,20cyclictest0-21swapper/209:10:112
299351699220,2cyclictest0-21swapper/207:20:122
299351699220,21cyclictest3044767-21tr08:00:162
299351699220,20cyclictest3269574-21chrt11:40:142
299351699220,20cyclictest0-21swapper/210:55:132
2993512992219,1cyclictest0-21swapper/109:40:121
2993512992219,1cyclictest0-21swapper/107:15:121
2993512992218,1cyclictest3304967-21apt-get12:15:121
299351299221,20cyclictest3130304-21ntpq09:20:211
299351299221,20cyclictest261-21systemd-journal12:05:011
299351299221,20cyclictest0-21swapper/109:34:291
299351299221,1cyclictest3044266-21apt-get08:00:111
299351299220,19cyclictest3095601-21apt-get08:50:091
299351299220,18cyclictest0-21swapper/110:05:121
2993509992220,1cyclictest0-21swapper/009:30:130
2993509992219,2cyclictest0-21swapper/011:10:110
2993509992217,2cyclictest0-21swapper/010:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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