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2026-05-11 - 08:31
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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 Mon May 11, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2898247995250,1cyclictest2913445-21fwupd19:25:011
289824599301,4cyclictest2949391-21cron20:00:000
289824599287,2cyclictest2964605-21idleruntime-cro20:15:000
289824599281,22cyclictest3128762-21apt-get22:55:030
2898245992725,1cyclictest0-21swapper/020:45:260
289825399262,20cyclictest3020761-21apt-get21:10:113
2898253992620,3cyclictest3077742-21apt-get22:05:123
2898250992622,2cyclictest3194355-21cron00:00:012
289824599262,3cyclictest3087875-21apt-get22:15:130
289824599262,3cyclictest2929368-21apt-get19:40:110
289825399251,4cyclictest261-21systemd-journal00:00:013
289825399251,20cyclictest64-21kcompactd022:25:113
289824799252,3cyclictest3149064-21apt-get23:15:131
289824799251,21cyclictest3225099-21apt-get00:30:121
289824599252,21cyclictest3133855-21apt-get23:00:130
289824599251,4cyclictest3005212-21idleruntime-cro20:55:000
289824599251,21cyclictest3164277-21apt-get23:30:120
289824599251,20cyclictest3067610-21apt-get21:55:130
2898253992419,3cyclictest3154122-21apt-get23:20:113
2898253992419,3cyclictest2924321-21apt-get19:35:123
289825399241,21cyclictest3066478-21ntpq21:50:223
289825399241,20cyclictest2944577-21apt-get19:55:133
289825399241,20cyclictest0-21swapper/323:45:143
289825399241,20cyclictest0-21swapper/321:55:133
289825399240,21cyclictest0-21swapper/323:25:103
289825399240,21cyclictest0-21swapper/320:00:123
2898250992421,2cyclictest2949415-21awk20:00:012
289825099240,20cyclictest0-21swapper/200:30:122
2898247992420,2cyclictest2990297-21apt-get20:40:121
289824599242,2cyclictest3159196-21apt-get23:25:090
2898245992420,2cyclictest3230131-21apt-get00:35:120
2898245992420,2cyclictest3209921-21apt-get00:15:120
2898245992419,3cyclictest2953638-21ntpq20:00:230
289824599241,3cyclictest3179487-21apt-get23:45:130
289824599241,3cyclictest2939505-21apt-get19:50:110
289824599241,2cyclictest3072665-21apt-get22:00:130
289824599241,21cyclictest2924805-21ps19:35:160
289824599241,21cyclictest0-21swapper/023:10:110
2898253992319,2cyclictest0-21swapper/322:00:123
2898253992319,2cyclictest0-21swapper/320:25:123
289825399231,2cyclictest0-21swapper/321:45:203
289825399231,19cyclictest3048332-21ps21:35:173
289825399231,19cyclictest0-21swapper/319:30:123
289825399230,22cyclictest3204545-21apt00:10:003
289825399230,20cyclictest0-21swapper/320:50:123
289825399230,20cyclictest0-21swapper/319:15:113
2898250992318,3cyclictest3210404-21irqcore00:15:172
289825099231,2cyclictest3223957-21ntpq00:25:222
2898247992320,1cyclictest2985228-21apt-get20:35:121
2898247992319,2cyclictest2908575-21apt-get19:20:101
2898247992319,2cyclictest2898462-21apt-get19:10:121
289824799231,20cyclictest3026236-21apt-get21:15:131
289824799231,20cyclictest2975044-21apt-get20:25:131
2898245992321,1cyclictest0-21swapper/019:35:000
2898245992319,2cyclictest3036531-21cron21:25:000
2898245992318,3cyclictest2934944-21ps19:45:150
289824599231,2cyclictest3194633-21apt-get00:00:130
289824599231,2cyclictest0-21swapper/000:20:110
289824599231,21cyclictest0-21swapper/019:20:100
289824599231,20cyclictest0-21swapper/022:30:130
2898253992218,2cyclictest2969949-21apt-get20:20:123
2898253992218,2cyclictest0-21swapper/319:50:113
289825399221,2cyclictest0-21swapper/320:10:123
289825399221,20cyclictest0-21swapper/321:00:123
289825399221,1cyclictest0-21swapper/322:15:123
289825399220,19cyclictest0-21swapper/322:45:113
289825399220,19cyclictest0-21swapper/300:35:123
289825099222,19cyclictest0-21swapper/219:40:132
2898250992219,2cyclictest3169333-21apt-get23:35:132
2898250992219,2cyclictest3000924-21irqcore20:50:152
289825099221,19cyclictest0-21swapper/220:25:172
289825099220,20cyclictest2923661-21sh19:35:002
289825099220,19cyclictest0-21swapper/219:20:112
2898247992219,2cyclictest0-21swapper/123:45:131
289824799221,2cyclictest3213861-21ntpq00:15:231
2898247992212,2cyclictest3067860-21fschecks_time21:55:151
289824799221,1cyclictest3061457-21ntpq21:45:201
289824799221,1cyclictest3015670-21apt-get21:05:131
289824799221,1cyclictest3000435-21apt-get20:50:111
289824799220,2cyclictest2924823-21tr19:35:171
289824799220,19cyclictest29493901cron20:00:001
2898245992219,2cyclictest3020761-21apt-get21:10:110
2898245992217,3cyclictest3047868-21ps21:35:160
289824599221,2cyclictest0-21swapper/021:48:370
289824599221,2cyclictest0-21swapper/019:15:110
289824599221,20cyclictest3153884-21unin-run23:20:010
289824599221,20cyclictest0-21swapper/019:25:370
289824599221,1cyclictest0-21swapper/000:31:310
289824599220,2cyclictest64-21kcompactd020:07:330
2898253992119,1cyclictest0-21swapper/320:30:113
2898253992119,1cyclictest0-21swapper/300:20:113
2898253992118,2cyclictest0-21swapper/322:40:113
2898253992118,2cyclictest0-21swapper/321:20:133
2898253992118,1cyclictest0-21swapper/319:40:123
2898253992118,1cyclictest0-21swapper/300:15:133
2898253992117,3cyclictest3224065-21chrt00:25:243
2898253992116,3cyclictest3148815-21awk23:15:003
289825399210,2cyclictest0-21swapper/322:20:123
289825399210,20cyclictest3041646-21/usr/sbin/munin21:30:013
289825399210,20cyclictest0-21swapper/322:35:153
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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