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2026-04-18 - 10:09
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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 Sat Apr 18, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2462969995248,2cyclictest2687237-21fwupd22:49:251
2462972993328,3cyclictest2621239-21cat21:45:002
246296799311,1cyclictest0-21swapper/022:49:260
246297999261,22cyclictest2550106-21apt-get20:35:123
246297299251,21cyclictest2519263-21apt-get20:05:122
246297299250,21cyclictest0-21swapper/219:30:112
2462969992521,3cyclictest2575254-21apt-key21:00:011
246296999251,21cyclictest2794725-21apt-get00:35:121
246296799251,3cyclictest0-21swapper/023:02:450
246296799251,2cyclictest0-21swapper/020:05:110
246296799251,20cyclictest0-21swapper/022:40:110
246296799250,3cyclictest2642577-21grep22:05:160
246296799250,2cyclictest0-21swapper/021:20:120
246297999240,22cyclictest2636744-21basename21:59:593
246297999240,20cyclictest2478765-21apt-get19:25:133
246297999240,20cyclictest0-21swapper/322:30:113
246297999240,20cyclictest0-21swapper/320:20:123
246297299241,3cyclictest2468634-21apt-get19:15:122
246297299241,21cyclictest2784524-21apt-get00:25:132
246297299241,20cyclictest2754010-21apt-get23:55:122
246297299240,2cyclictest0-21swapper/219:35:122
246297299240,20cyclictest0-21swapper/200:05:112
246296999242,2cyclictest2575821-21apt-get21:00:121
246296999241,21cyclictest2687573-21apt-get22:50:111
246296999241,20cyclictest2616348-21apt-get21:40:101
246296999241,20cyclictest0-21swapper/123:10:121
246296799242,2cyclictest2764246-21apt-get00:05:110
2462967992419,3cyclictest261-21systemd-journal22:35:010
246296799241,21cyclictest2723077-21apt-get23:25:110
246296799241,1cyclictest0-21swapper/021:55:100
246296799241,19cyclictest0-21swapper/020:35:120
246296799240,22cyclictest2509156-21apt-get19:55:120
2462979992320,2cyclictest2682529-21apt-get22:45:113
2462979992319,2cyclictest2661136-21ntpq22:20:193
2462979992319,2cyclictest2488896-21apt-get19:35:123
246297999231,2cyclictest2652182-21apt-get22:15:113
246297999231,20cyclictest2759132-21apt-get00:00:123
246297999230,20cyclictest2707891-21apt-get23:10:113
2462972992319,2cyclictest2555138-21apt-get20:40:122
2462972992318,3cyclictest2672177-21cron22:35:012
2462972992317,4cyclictest2534650-21idleruntime-cro20:20:002
246297299231,2cyclictest2647130-21apt-get22:10:112
246297299230,3cyclictest2642572-21ps22:05:162
246297299230,22cyclictest2636307-21unixbench_singl21:55:232
246297299230,20cyclictest0-21swapper/223:25:122
246297299230,20cyclictest0-21swapper/219:55:122
2462969992320,1cyclictest2596112-21apt-get21:20:121
246296999231,2cyclictest2748939-21apt-get23:50:101
246296999231,2cyclictest2681407-21ntpq22:40:201
246296999231,2cyclictest2580875-21apt-get21:05:111
246296999231,20cyclictest2667393-21apt-get22:30:121
246296999230,3cyclictest2646007-21ntpq22:05:211
2462967992319,3cyclictest0-21swapper/020:50:090
2462967992318,4cyclictest2534646-21cron20:20:000
246296799231,2cyclictest0-21swapper/019:35:120
246296799231,2cyclictest0-21swapper/000:10:090
246296799231,21cyclictest2483819-21apt-get19:30:110
246296799231,20cyclictest2534922-21apt-get20:20:120
246296799230,2cyclictest0-21swapper/021:40:110
246296799230,2cyclictest0-21swapper/000:15:140
246296799230,20cyclictest0-21swapper/020:00:230
2462979992220,1cyclictest2692666-21apt-get22:55:133
2462979992220,1cyclictest2692666-21apt-get22:55:123
2462979992219,1cyclictest2642076-21apt-get22:05:123
2462979992218,2cyclictest0-21swapper/319:10:123
246297999221,2cyclictest64-21kcompactd021:36:443
246297999221,20cyclictest2544783-21cron20:30:003
246297999221,20cyclictest0-21swapper/320:58:013
246297999221,19cyclictest0-21swapper/323:20:103
246297999220,20cyclictest0-21swapper/321:45:123
246297999220,19cyclictest0-21swapper/300:20:113
2462972992219,2cyclictest0-21swapper/200:10:112
2462972992218,3cyclictest0-21swapper/220:50:092
246297299221,2cyclictest2570342-21apt-get20:55:112
246297299221,20cyclictest2677477-21apt-get22:40:112
246297299221,20cyclictest0-21swapper/220:20:122
246297299220,2cyclictest0-21swapper/221:20:122
246297299220,21cyclictest2693153-21grep22:55:172
246297299220,21cyclictest2693153-21grep22:55:162
246297299220,20cyclictest2707619-21ls23:10:002
246297299220,20cyclictest2621121-21apt-get21:45:022
246297299220,1cyclictest0-21swapper/200:00:122
2462969992218,2cyclictest2565263-21apt-get20:50:091
246296999221,2cyclictest2738781-21apt-get23:40:131
246296999221,2cyclictest2672446-21apt-get22:35:111
246296999220,3cyclictest2656970-21sh22:20:011
246296999220,20cyclictest0-21swapper/119:30:111
246296999220,19cyclictest2774880-21ps00:15:181
246296999220,19cyclictest0-21swapper/122:25:111
246296999220,19cyclictest0-21swapper/100:20:111
2462967992219,2cyclictest2606241-21apt-get21:30:120
2462967992219,2cyclictest2462985-21apt-config19:10:000
2462967992219,2cyclictest0-21swapper/023:35:120
2462967992219,2cyclictest0-21swapper/022:10:120
2462967992219,2cyclictest0-21swapper/000:35:120
2462967992218,3cyclictest2637495-21grep22:00:140
2462967992218,2cyclictest2575180-21dpkg21:00:000
2462967992217,4cyclictest2478316-21chrt19:22:520
246296799221,20cyclictest0-21swapper/023:14:350
246296799221,1cyclictest0-21swapper/021:45:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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