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2026-08-19 - 19:21
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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 Wed Aug 19, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2778301993226,4cyclictest2982409-21seq10:30:112
277829999272,21cyclictest2951987-21apt-get10:00:121
277830199262,21cyclictest0-21swapper/212:00:172
277830199261,5cyclictest3095133-21sort12:20:172
277830199261,21cyclictest2987477-21apt-get10:35:122
277830199261,21cyclictest2778510-21apt-get07:10:112
277830199260,23cyclictest3002825-21dpkg10:50:002
277830199260,23cyclictest2937294-21irqcore09:45:182
2778305992523,1cyclictest0-21swapper/310:25:213
277830599252,21cyclictest2921589-21apt-get09:30:133
277830599251,22cyclictest3053548-21apt-get11:37:553
2778301992520,3cyclictest3023534-21apt-get11:10:132
2778301992519,3cyclictest2967196-21apt-get10:15:132
277830199251,21cyclictest2896262-21apt-get09:05:132
277830199251,21cyclictest0-21swapper/211:30:112
277830199251,20cyclictest2824317-21apt-get07:55:112
277830199251,20cyclictest0-21swapper/210:10:122
277829999252,20cyclictest3074392-21apt-get12:00:131
277829599252,21cyclictest3084525-21apt-get12:10:120
2778305992422,1cyclictest0-21swapper/309:15:133
2778305992422,1cyclictest0-21swapper/309:00:113
2778305992420,2cyclictest3064273-21apt-get11:50:113
277830599241,21cyclictest2890469-21sh08:59:593
277830599240,22cyclictest2906102-21cron09:14:593
2778301992420,2cyclictest3069344-21apt-get11:55:132
2778301992420,2cyclictest2946917-21apt-get09:55:132
2778301992419,4cyclictest3053577-21apt-get11:37:582
277830199241,2cyclictest2819222-21apt-get07:50:112
277830199241,21cyclictest3777322-21systemd-journal07:20:002
277830199241,20cyclictest3038722-21apt-get11:25:132
277830199241,20cyclictest2859904-21apt-get08:30:112
277830199241,20cyclictest0-21swapper/209:10:122
277830199241,19cyclictest2890743-21apt-get09:00:112
277830199240,4cyclictest3029107-21tr11:15:172
277830199240,22cyclictest3085004-21taskset12:10:162
277829999241,3cyclictest2996470-21ntpq10:40:211
277829999241,2cyclictest2793850-21apt-get07:25:111
277829999241,2cyclictest2793850-21apt-get07:25:111
277829999240,4cyclictest2849443-21cron08:20:001
277829999240,21cyclictest2962614-21grep10:10:171
277829599242,2cyclictest2911451-21apt-get09:20:130
2778295992421,2cyclictest2803991-21apt-get07:35:140
2778295992420,2cyclictest2844599-21apt-get08:15:130
277829599241,2cyclictest3053568-21apt-get11:37:560
277829599241,21cyclictest2880584-21apt-get08:50:130
277829599240,4cyclictest3075342-21sed12:00:200
277830599233,18cyclictest481rcuc/310:14:593
2778305992320,2cyclictest2997645-21apt-get10:45:133
2778305992319,2cyclictest2992573-21apt-get10:40:123
2778305992316,5cyclictest3079179-21cron12:04:593
2778305992313,4cyclictest191rcu_preempt08:40:003
277830599231,2cyclictest2926663-21apt-get09:35:133
277830599231,2cyclictest0-21swapper/310:00:133
277830599231,20cyclictest2803991-21apt-get07:35:123
277830599230,3cyclictest2819711-21sed07:50:153
277830599230,22cyclictest3094642-21apt-get12:20:133
277830599230,21cyclictest2854535-21cron08:25:003
2778301992319,2cyclictest2839503-21apt-get08:10:122
2778301992318,4cyclictest2814112-21taskset07:45:122
2778301992318,3cyclictest3054072-21apt-get11:40:142
2778301992315,7cyclictest2798644-21cron07:30:002
2778301992315,7cyclictest2798644-21cron07:30:002
277830199231,3cyclictest3104780-21apt-get12:30:122
277830199231,2cyclictest3013371-21apt-get11:00:122
277830199231,2cyclictest2788736-21apt-get07:20:142
277830199230,4cyclictest2993521-21ps10:40:182
277830199230,21cyclictest2808761-21cron07:40:002
277830199230,20cyclictest0-21swapper/210:20:132
277830199230,20cyclictest0-21swapper/209:40:112
277830199230,20cyclictest0-21swapper/208:05:122
277829999231,21cyclictest3015605-21ps11:00:181
277829999231,20cyclictest2901332-21apt-get09:10:121
277829999230,19cyclictest0-21swapper/108:00:121
277829599232,20cyclictest2982406-21apt-get10:30:110
277829599232,20cyclictest2941846-21apt-get09:50:110
277829599231,20cyclictest2972245-21apt-get10:20:120
277829599230,2cyclictest2901075-21munin-run09:10:000
277829599230,21cyclictest3008759-21grep10:55:190
2778305992219,2cyclictest0-21swapper/311:30:013
2778305992219,2cyclictest0-21swapper/310:55:133
2778305992217,4cyclictest2845102-21cut08:15:183
277830599221,2cyclictest0-21swapper/307:15:183
277830599221,20cyclictest2854814-21apt-get08:25:123
277830599221,20cyclictest0-21swapper/309:50:103
277830599220,20cyclictest0-21swapper/311:10:123
277830599220,20cyclictest0-21swapper/309:20:133
2778301992219,2cyclictest0-21swapper/208:50:132
2778301992218,3cyclictest3094365-21cron12:19:592
277830199220,2cyclictest2799412-21tr07:30:162
277830199220,20cyclictest2854557-21munin-run08:25:002
277830199220,19cyclictest0-21swapper/212:05:122
277830199220,19cyclictest0-21swapper/208:35:122
277829999229,11cyclictest3099456-21cron12:25:001
2778299992219,2cyclictest702-21runrttasks11:45:091
2778299992219,2cyclictest3043792-21apt-get11:30:111
2778299992219,2cyclictest2931454-21cron09:40:001
2778299992219,1cyclictest0-21swapper/109:20:131
2778299992219,1cyclictest0-21swapper/107:55:111
2778299992218,2cyclictest3033675-21apt-get11:20:131
2778299992218,2cyclictest2809521-21irqcore07:40:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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