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2026-08-27 - 04:27
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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 Aug 27, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
258286099271,20cyclictest2634006-21apt-get20:00:093
258285399270,25cyclictest2726644-21ps21:30:201
258285399270,25cyclictest2726644-21ps21:30:201
258286099261,22cyclictest2863985-21apt-get23:45:123
258285599260,24cyclictest2752057-21irqcore21:55:162
258286099251,20cyclictest0-21swapper/321:20:123
258286099251,20cyclictest0-21swapper/321:20:123
2582855992520,3cyclictest2761709-21apt-get22:05:112
258285599251,3cyclictest2741390-21apt-get21:45:112
258285599251,22cyclictest2811278-21ntpq22:50:232
258285599251,22cyclictest2668365-21ntpq20:30:212
258285399251,21cyclictest2904539-21apt-get00:25:121
258285399251,21cyclictest2685155-21apt-get20:50:121
258285399251,21cyclictest2618874-21apt-get19:45:121
258285399251,20cyclictest2812401-21apt-get22:55:121
258285399251,20cyclictest2802189-21apt-get22:45:091
258286099241,21cyclictest2721070-21apt-get21:25:133
258286099241,20cyclictest2593572-21apt-get19:20:103
258286099240,22cyclictest2833008-21latency_hist23:15:013
258285599242,2cyclictest2766801-21apt-get22:10:112
2582855992417,5cyclictest2802681-21irqcore22:45:132
258285599241,22cyclictest2726157-21apt-get21:30:122
258285599241,22cyclictest2726157-21apt-get21:30:122
258285599241,20cyclictest0-21swapper/220:00:102
258285599240,4cyclictest2588224-21cron19:15:002
2582853992420,2cyclictest2889350-21apt-get00:10:111
2582853992420,2cyclictest2838639-21apt-get23:20:121
2582853992420,2cyclictest2807286-21apt-get22:50:141
258285399241,21cyclictest2782506-21sed22:25:171
258285399241,20cyclictest2705434-21apt-get21:10:101
258285399241,20cyclictest2613782-21apt-get19:40:121
2582849992421,1cyclictest0-21swapper/021:00:120
2582860992319,2cyclictest2823006-21apt-get23:05:123
2582860992319,2cyclictest2797143-21apt-get22:40:103
2582860992319,2cyclictest2731200-21apt-get21:35:113
2582860992319,2cyclictest2695297-21apt-get21:00:133
258286099231,2cyclictest2654309-21apt-get20:20:133
258286099230,21cyclictest2853596-21cron23:34:593
258286099230,21cyclictest2700866-21grep21:05:173
258286099230,20cyclictest2741873-21ps21:45:153
258286099230,20cyclictest0-21swapper/322:25:113
258286099230,20cyclictest0-21swapper/319:50:123
2582855992319,2cyclictest2695297-21apt-get21:00:122
2582855992319,2cyclictest0-21swapper/200:15:102
2582855992318,3cyclictest2633728-21cron20:00:002
258285599231,2cyclictest2904539-21apt-get00:25:122
258285599231,2cyclictest2817937-21apt-get23:00:112
258285599231,21cyclictest2853867-21apt-get23:35:112
258285599231,20cyclictest2869054-21apt-get23:50:132
258285599231,20cyclictest2787052-21apt-get22:30:112
258285599231,20cyclictest2715599-21apt-get21:20:122
258285599231,20cyclictest2715599-21apt-get21:20:122
258285599231,20cyclictest2649213-21apt-get20:15:112
258285599230,21cyclictest2884786-21ps00:05:202
258285599230,21cyclictest2884786-21ps00:05:192
258285399231,2cyclictest2603669-21apt-get19:30:141
258285399230,22cyclictest2762210-21grep22:05:161
258285399230,20cyclictest0-21swapper/119:35:111
2582849992320,2cyclictest2828074-21apt-get23:10:110
2582849992319,2cyclictest2782007-21apt-get22:25:120
258284999231,2cyclictest2833568-21apt-get23:15:110
258284999231,20cyclictest2899467-21apt-get00:20:140
258284999231,20cyclictest2623918-21apt-get19:50:120
258284999230,20cyclictest0-21swapper/023:25:120
2582860992219,2cyclictest0-21swapper/323:55:123
2582860992219,1cyclictest2771893-21apt-get22:15:123
2582860992218,2cyclictest0-21swapper/322:20:143
258286099221,2cyclictest0-21swapper/323:35:123
258286099221,1cyclictest0-21swapper/322:35:123
258286099221,1cyclictest0-21swapper/319:40:123
258286099220,2cyclictest2587477-21taskset19:10:223
258286099220,2cyclictest0-21swapper/300:30:103
258286099220,21cyclictest2919492-21cron00:40:013
258286099220,20cyclictest2879320-21tr00:00:123
258286099220,20cyclictest0-21swapper/323:20:133
258286099220,19cyclictest0-21swapper/321:30:113
258286099220,19cyclictest0-21swapper/321:30:113
2582855992219,2cyclictest0-21swapper/219:45:112
258285599221,2cyclictest2848800-21apt-get23:30:122
258285599221,20cyclictest3777322-21systemd-journal21:45:002
258285599221,20cyclictest0-21swapper/222:40:102
258285599221,20cyclictest0-21swapper/200:23:342
258285599221,1cyclictest0-21swapper/220:52:492
2582853992219,2cyclictest2751297-21idleruntime-cro21:55:001
2582853992218,2cyclictest0-21swapper/122:10:131
258285399220,19cyclictest0-21swapper/123:15:011
2582849992217,4cyclictest2669198-21cron20:35:000
258284999221,2cyclictest2736271-21apt-get21:40:130
258284999220,21cyclictest2679382-21dpkg20:45:000
258284999220,20cyclictest0-21swapper/020:00:090
258284999220,19cyclictest0-21swapper/020:20:130
2582860992119,1cyclictest0-21swapper/320:45:123
2582860992118,2cyclictest2899956-21tr00:20:183
2582860992117,2cyclictest0-21swapper/321:15:133
258286099211,19cyclictest0-21swapper/323:00:113
258286099210,2cyclictest64-21kcompactd019:49:563
258286099210,20cyclictest64-21kcompactd020:29:423
258286099210,20cyclictest64-21kcompactd019:37:013
258286099210,20cyclictest0-21swapper/320:45:003
258286099210,20cyclictest0-21swapper/300:25:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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