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2026-09-07 - 15:43
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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 Sep 07, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2733863993430,2cyclictest0-21swapper/222:05:162
2733863992826,1cyclictest2861514-21idleruntime-cro21:15:002
273386899271,22cyclictest2917624-21apt-get22:10:153
273386399272,21cyclictest3035330-21apt-get00:05:142
273386199272,21cyclictest2861792-21apt-get21:15:131
273386899262,3cyclictest2963843-21apt-get22:55:113
273386899262,3cyclictest2948614-21apt-get22:40:143
273386899261,21cyclictest3020113-21apt-get23:50:143
273386899260,24cyclictest2754055-21cron19:30:003
273386399262,1cyclictest2968652-21munin-plugin-st23:00:002
273386399261,21cyclictest2769973-21apt-get19:45:122
273386199261,21cyclictest2907458-21apt-get22:00:111
273386899252,21cyclictest0-21swapper/323:05:003
273386899251,21cyclictest0-21swapper/320:45:133
273386899251,21cyclictest0-21swapper/319:15:133
273386899251,20cyclictest0-21swapper/319:10:123
273386899250,5cyclictest3066327-21irqcore00:35:183
2733863992521,3cyclictest2930073-21ps22:20:172
273385799250,24cyclictest2850508-21seq21:00:220
273386899241,21cyclictest3060734-21apt-get00:30:123
273386899241,21cyclictest0-21swapper/319:40:133
273386899241,20cyclictest702-21runrttasks21:55:123
273386899240,4cyclictest2899517-21sort21:50:203
273386899240,4cyclictest2754311-21/usr/sbin/munin19:30:263
273386899240,21cyclictest0-21swapper/319:55:123
273386899240,20cyclictest0-21swapper/319:50:123
273386399242,19cyclictest2958755-21apt-get22:50:142
2733863992420,2cyclictest3050496-21apt-get00:20:132
273386399241,20cyclictest3065843-21apt-get00:35:132
273386399241,20cyclictest2897280-21apt-get21:50:152
273386399241,20cyclictest2815728-21apt-get20:30:132
273386399240,2cyclictest3030729-21ps00:00:182
273386399240,21cyclictest2979965-21ps23:10:182
2733861992420,3cyclictest2759829-21apt-get19:35:121
2733861992420,2cyclictest2938474-21apt-get22:30:131
2733861992420,2cyclictest2744195-21apt-get19:20:101
2733861992417,5cyclictest3050980-21ps00:20:171
273386199241,20cyclictest2892228-21apt-get21:45:131
273386199241,20cyclictest2830914-21apt-get20:45:131
273386199241,20cyclictest2785208-21apt-get20:00:141
273386199241,20cyclictest2780138-21apt-get19:55:131
273385799242,2cyclictest3009998-21apt-get23:40:130
2733857992420,2cyclictest2882045-21apt-get21:35:120
273385799241,21cyclictest2968916-21apt-get23:00:140
273385799241,20cyclictest2734079-21apt-get19:10:120
2733868992319,2cyclictest0-21swapper/321:35:123
2733868992319,2cyclictest0-21swapper/320:40:123
2733868992319,2cyclictest0-21swapper/300:00:143
2733868992316,5cyclictest2943243-21ls22:35:003
273386899231,21cyclictest0-21swapper/322:50:143
273386899231,20cyclictest2912248-21cron22:05:013
273386899231,20cyclictest0-21swapper/300:30:003
273386899231,19cyclictest0-21swapper/321:10:143
273386899230,3cyclictest2842000-21sed20:55:173
273386899230,22cyclictest64-21kcompactd020:29:533
273386899230,21cyclictest75-21kswapd020:50:023
273386899230,21cyclictest75-21kswapd020:50:023
273386899230,21cyclictest2847113-21grep21:00:163
273386899230,20cyclictest0-21swapper/319:45:123
2733863992319,3cyclictest1-21systemd19:30:002
2733863992319,2cyclictest2764901-21apt-get19:40:142
273386399230,2cyclictest2872443-21cut21:25:172
273386399230,22cyclictest2855536-21taskset21:05:202
273386399230,21cyclictest2830917-21chrt20:45:132
273386399230,20cyclictest0-21swapper/223:20:122
273386399230,20cyclictest0-21swapper/223:00:142
273386399230,20cyclictest0-21swapper/219:30:142
273386399230,1cyclictest0-21swapper/219:55:122
273386399230,19cyclictest0-21swapper/219:15:132
2733861992319,2cyclictest3004927-21apt-get23:35:121
2733861992319,2cyclictest2871940-21apt-get21:25:131
2733861992319,2cyclictest2836428-21apt-get20:50:131
2733861992319,2cyclictest2836428-21apt-get20:50:121
2733861992318,3cyclictest2974017-21apt-key23:05:001
273386199231,2cyclictest3025155-21apt-get23:55:131
273386199231,2cyclictest2927840-21apt-get22:20:111
273386199231,2cyclictest2902366-21apt-get21:55:121
273386199231,2cyclictest2871664-21ls21:25:001
273386199231,2cyclictest2749289-21apt-get19:25:121
273386199231,20cyclictest3015065-21apt-get23:45:121
273386199231,19cyclictest0-21swapper/100:35:131
273386199230,20cyclictest2994766-21apt-get23:25:121
273386199230,20cyclictest0-21swapper/120:25:111
273386199230,20cyclictest0-21swapper/100:30:121
273386199230,19cyclictest0-21swapper/121:50:151
2733857992319,2cyclictest2841511-21apt-get20:55:130
273385799231,2cyclictest0-21swapper/020:25:160
273385799231,20cyclictest2825844-21apt-get20:40:110
273385799231,20cyclictest2749289-21apt-get19:25:120
273385799230,3cyclictest3030735-21tr00:00:180
273385799230,2cyclictest0-21swapper/000:30:120
273385799230,22cyclictest0-21swapper/023:20:120
273385799230,21cyclictest2979973-21cut23:10:180
273385799230,21cyclictest0-21swapper/019:15:130
273385799230,20cyclictest0-21swapper/019:46:210
273385799230,20cyclictest0-21swapper/000:35:140
2733868992219,2cyclictest64-21kcompactd019:35:353
2733868992219,2cyclictest2861792-21apt-get21:15:143
2733868992219,2cyclictest0-21swapper/300:05:163
2733868992218,2cyclictest0-21swapper/322:15:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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