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2026-06-03 - 06:46
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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 Jun 03, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2647187993127,2cyclictest0-21swapper/220:05:202
2647191992826,1cyclictest0-21swapper/321:10:003
2647191992824,3cyclictest2724813-21cron20:40:013
2647181992826,1cyclictest0-21swapper/000:00:000
264719199262,22cyclictest2893994-21apt-get23:25:123
264719199262,21cyclictest2909177-21apt-get23:40:123
2647191992621,3cyclictest2960406-21cron00:30:003
264719199261,21cyclictest2940018-21apt-get00:10:133
264719199260,24cyclictest2740720-21apt-get20:55:103
264718799262,21cyclictest2843424-21apt-get22:35:112
264718799261,21cyclictest2883812-21apt-get23:15:102
2647191992519,4cyclictest2715014-21taskset20:30:133
264719199250,21cyclictest0-21swapper/300:35:123
264718799250,23cyclictest2970527-21cron00:40:002
264718599252,21cyclictest2807693-21apt-get22:00:111
2647185992521,3cyclictest2781437-21apt-get21:35:121
2647191992420,2cyclictest2730594-21apt-get20:45:133
264719199241,21cyclictest0-21swapper/322:45:133
264718799241,3cyclictest2679659-21apt-get19:55:122
264718799241,20cyclictest2878781-21apt-get23:10:122
264718599241,3cyclictest2873731-21apt-get23:05:141
264718599241,21cyclictest2888894-21apt-get23:20:131
264718199242,20cyclictest2822807-21apt-get22:15:120
2647191992319,3cyclictest2796817-21cron21:49:593
2647191992319,3cyclictest0-21swapper/319:10:213
2647191992319,2cyclictest2771355-21apt-get21:25:133
2647191992319,2cyclictest2673481-21ntpq19:45:223
2647191992318,3cyclictest2679662-21taskset19:55:123
264719199231,3cyclictest2653117-21apt-get19:20:083
264719199231,20cyclictest2934243-21turbostat00:05:003
264719199231,20cyclictest2833339-21apt-get22:25:103
264719199231,20cyclictest0-21swapper/323:20:133
264719199231,20cyclictest0-21swapper/323:10:203
264719199230,21cyclictest2781161-21cron21:35:003
264719199230,21cyclictest2750483-21cron21:05:003
264719199230,21cyclictest0-21swapper/320:15:133
2647187992319,2cyclictest2715011-21apt-get20:30:122
264718799230,21cyclictest2873734-21chrt23:05:142
264718799230,20cyclictest0-21swapper/223:20:132
2647185992319,2cyclictest2853509-21apt-get22:45:131
2647185992318,3cyclictest2658818-21apt-get19:30:081
2647185992318,3cyclictest2658818-21apt-get19:30:081
264718599231,2cyclictest2720036-21apt-get20:35:131
264718599231,2cyclictest0-21swapper/122:25:111
264718599231,20cyclictest2801903-21apt-get21:55:021
264718599230,21cyclictest2945170-21latency_hist00:15:001
264718599230,20cyclictest0-21swapper/120:00:121
264718599230,20cyclictest0-21swapper/119:40:081
2647181992319,2cyclictest2745752-21apt-get21:00:120
2647181992319,2cyclictest2674604-21apt-get19:50:110
2647191992219,2cyclictest0-21swapper/323:36:233
2647191992219,2cyclictest0-21swapper/322:10:113
2647191992219,1cyclictest0-21swapper/300:30:143
2647191992218,2cyclictest2875950-21kthreadcore23:05:193
2647191992218,2cyclictest2864148-21irqcore22:55:163
2647191992218,2cyclictest0-21swapper/320:05:203
264719199221,2cyclictest0-21swapper/319:50:113
264719199221,20cyclictest64-21kcompactd019:34:533
264719199221,20cyclictest64-21kcompactd019:34:523
264719199221,20cyclictest0-21swapper/322:44:433
264719199221,20cyclictest0-21swapper/322:15:083
264719199221,20cyclictest0-21swapper/321:55:133
264719199221,20cyclictest0-21swapper/300:15:143
264719199221,20cyclictest0-21swapper/300:00:003
264719199220,2cyclictest0-21swapper/323:50:133
264719199220,2cyclictest0-21swapper/320:02:513
264719199220,21cyclictest0-21swapper/321:35:113
264719199220,21cyclictest0-21swapper/300:20:143
264719199220,20cyclictest0-21swapper/320:40:113
2647187992219,2cyclictest2913967-21sh23:45:002
264718799220,20cyclictest0-21swapper/219:50:112
264718799220,19cyclictest64-21kcompactd020:35:062
264718799220,19cyclictest0-21swapper/221:45:112
264718799220,19cyclictest0-21swapper/221:15:132
264718799220,19cyclictest0-21swapper/220:55:102
264718799220,19cyclictest0-21swapper/200:00:132
2647185992219,2cyclictest2939358-21/usr/sbin/munin00:10:001
2647185992219,1cyclictest0-21swapper/121:55:001
2647185992219,1cyclictest0-21swapper/120:05:161
2647185992218,2cyclictest0-21swapper/123:10:121
2647185992218,2cyclictest0-21swapper/122:05:131
2647185992218,2cyclictest0-21swapper/122:05:131
264718599221,2cyclictest2817754-21apt-get22:10:131
264718599221,20cyclictest0-21swapper/121:45:111
264718599220,2cyclictest301rcuc/121:10:001
264718599220,2cyclictest2709679-21cron20:25:011
264718599220,20cyclictest2669573-21apt-get19:45:111
264718599220,20cyclictest0-21swapper/119:20:071
264718599220,19cyclictest0-21swapper/123:15:101
264718599220,19cyclictest0-21swapper/122:55:131
2647181992219,2cyclictest3777322-21systemd-journal00:20:010
2647181992219,2cyclictest2956104-21grep00:25:170
2647181992219,2cyclictest2801902-21cron21:55:000
2647181992219,2cyclictest0-21swapper/020:40:010
2647181992218,3cyclictest2755551-21apt-get21:10:000
264718199221,20cyclictest2919287-21apt-get23:50:130
264718199220,21cyclictest2940506-21grep00:10:170
264718199220,20cyclictest2838117-21cron22:30:000
2647191992119,1cyclictest0-21swapper/322:05:593
2647191992119,1cyclictest0-21swapper/322:05:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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