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2026-03-10 - 12:34
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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 Tue Mar 10, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2560705995250,1cyclictest2846342-21fwupd23:45:552
256070199290,9cyclictest2815534-21awk23:20:000
256070599271,24cyclictest2867070-21idleruntime-cro00:10:002
2560702992724,2cyclictest0-21swapper/119:20:001
2560705992624,1cyclictest2769544-21turbostat22:35:012
256070599261,21cyclictest0-21swapper/200:35:122
256071199251,21cyclictest2636981-21apt-get20:25:133
256071199251,20cyclictest2784964-21apt-get22:50:123
256070599252,21cyclictest2872835-21apt-get00:15:122
256070599251,4cyclictest2596432-21apt-get19:45:112
256070599251,3cyclictest2672831-21apt-get21:00:102
256070299252,21cyclictest2744145-21apt-get22:10:121
256070299252,21cyclictest2744145-21apt-get22:10:121
2560711992421,2cyclictest2575961-21munin-plugin-st19:25:003
2560711992420,2cyclictest2749197-21apt-get22:15:133
256071199241,20cyclictest2846992-21apt-get23:50:123
256070599242,20cyclictest0-21swapper/223:50:122
2560705992420,2cyclictest2826314-21apt-get23:30:112
2560705992419,3cyclictest2784687-21cron22:50:012
256070599241,3cyclictest2636981-21apt-get20:25:132
256070599241,2cyclictest2621722-21apt-get20:10:122
256070599241,21cyclictest2764189-21apt-config22:30:002
256070599241,21cyclictest2733586-21apt-get22:00:122
256070599241,21cyclictest2693041-21apt-get21:20:112
256070599241,21cyclictest2662280-21apt-get20:50:122
256070599241,20cyclictest2611637-21apt-get20:00:112
256070599241,20cyclictest0-21swapper/219:20:102
256070599240,20cyclictest0-21swapper/220:15:152
256070299241,22cyclictest2861976-21idleruntime-cro00:04:591
2560701992420,2cyclictest2799477-21ntpq23:00:220
2560701992418,4cyclictest2676700-21/usr/sbin/munin21:00:170
256070199241,2cyclictest2560940-21apt-get19:10:130
256070199241,21cyclictest2893066-21apt-get00:35:120
256070199241,20cyclictest2591352-21apt-get19:40:110
256070199240,21cyclictest0-21swapper/020:45:130
256071199231,20cyclictest2779913-21apt-get22:45:143
256071199230,19cyclictest0-21swapper/320:50:133
2560705992319,2cyclictest2806162-21sort23:10:172
2560705992319,2cyclictest2728509-21apt-get21:55:112
256070599231,2cyclictest0-21swapper/222:35:122
256070599231,21cyclictest0-21swapper/221:25:122
256070599231,21cyclictest0-21swapper/220:30:112
256070599231,20cyclictest2836348-21sed23:40:002
256070599231,20cyclictest2821258-21apt-get23:25:112
256070599231,20cyclictest2718381-21apt-get21:45:142
256070599231,20cyclictest2672186-21unin-run21:00:012
256070599230,22cyclictest2586053-21basename19:35:002
256070299232,2cyclictest2693041-21apt-get21:20:121
256070299232,20cyclictest2606585-21apt-get19:55:121
256070299231,2cyclictest2862250-21apt-get00:05:121
256070299231,20cyclictest2867766-21apt-get00:10:111
256070299230,21cyclictest2763214-21ntpq22:25:211
256070299230,21cyclictest2703709-21irqcore21:30:151
256070299230,20cyclictest0-21swapper/119:40:111
2560701992319,2cyclictest2566039-21apt-get19:15:120
2560701992318,3cyclictest2571140-21apt-get19:20:110
256070199231,21cyclictest2846727-21dump-pmu-power23:49:590
256070199231,21cyclictest2780419-21cut22:45:180
256070199230,3cyclictest2637934-21sed20:25:180
256070199230,21cyclictest2862253-21taskset00:05:120
256070199230,21cyclictest2692789-21idleruntime-cro21:20:000
2560711992219,2cyclictest2667332-21apt-get20:55:113
2560711992217,4cyclictest2872557-21cron00:14:593
2560711992216,4cyclictest2687691-21idleruntime-cro21:15:003
256071199220,20cyclictest2846342-21fwupd23:45:593
256071199220,20cyclictest0-21swapper/319:45:123
256071199220,19cyclictest0-21swapper/323:25:113
256071199220,19cyclictest0-21swapper/323:05:123
256071199220,19cyclictest0-21swapper/322:21:283
256071199220,19cyclictest0-21swapper/321:50:133
256071199220,19cyclictest0-21swapper/300:00:123
2560705992218,2cyclictest1-21systemd23:00:002
256070599221,20cyclictest64-21kcompactd019:56:512
256070599221,20cyclictest0-21swapper/223:40:202
256070599221,20cyclictest0-21swapper/223:00:132
256070599221,20cyclictest0-21swapper/219:10:192
256070599220,2cyclictest0-21swapper/220:45:132
256070599220,21cyclictest0-21swapper/219:26:452
256070599220,20cyclictest2677898-21apt-get21:05:132
256070599220,20cyclictest0-21swapper/219:35:112
256070599220,20cyclictest0-21swapper/219:35:102
256070599220,1cyclictest2647096-21apt-get20:35:132
2560702992220,1cyclictest2662280-21apt-get20:50:131
2560702992219,2cyclictest2708296-21apt-get21:35:131
2560702992218,2cyclictest2852062-21apt-get23:55:111
256070299221,19cyclictest2819680-21ntpq23:20:221
256070299220,20cyclictest2795028-21latency_hist23:00:001
256070299220,20cyclictest0-21swapper/119:20:101
256070299220,19cyclictest0-21swapper/122:15:121
256070299220,19cyclictest0-21swapper/121:55:121
256070299220,19cyclictest0-21swapper/120:55:111
2560701992219,2cyclictest2576216-21apt-get19:25:120
2560701992219,2cyclictest0-21swapper/022:30:110
2560701992219,2cyclictest0-21swapper/022:00:110
2560701992219,2cyclictest0-21swapper/019:55:120
2560701992219,1cyclictest0-21swapper/020:35:130
2560701992218,2cyclictest2840795-21ntpq23:40:200
256070199221,20cyclictest2616668-21apt-get20:05:110
256070199221,20cyclictest0-21swapper/000:15:120
256070199220,2cyclictest2654140-21sshd20:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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