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2026-07-03 - 05:19
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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 Fri Jul 03, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2516547994542,2cyclictest2521190-21fwupd19:10:463
251653799310,2cyclictest2629361-21cron21:00:000
251653799310,1cyclictest0-21swapper/019:20:130
251653799291,27cyclictest2849747-21sshd00:32:070
2516537992816,10cyclictest702-21runrttasks21:31:110
2516547992723,3cyclictest2736945-21ls22:45:013
251654799272,21cyclictest2634724-21apt-get21:05:133
251653799271,20cyclictest2680277-21apt-get21:50:110
251654799261,21cyclictest0-21swapper/323:00:173
251654799261,21cyclictest0-21swapper/323:00:173
251654799261,21cyclictest0-21swapper/322:30:113
2516537992619,6cyclictest2573311-21apt-get20:05:110
2516537992618,7cyclictest0-21swapper/021:15:120
251653799261,23cyclictest2640076-21fw_conntrack21:10:130
251653799260,24cyclictest2793190-21base6423:40:000
251653799260,24cyclictest0-21swapper/000:20:120
251653799260,1cyclictest0-21swapper/022:50:120
251654799252,21cyclictest0-21swapper/300:25:173
251654799251,23cyclictest2588266-21cron20:20:003
251654799251,22cyclictest2614378-21apt-get20:45:113
251654799251,21cyclictest2819068-21apt-get00:05:133
251654799251,21cyclictest2783126-21apt-get23:30:113
251654799251,20cyclictest0-21swapper/322:10:113
251654799250,23cyclictest2573796-21grep20:05:163
251654799250,22cyclictest2762972-21grep23:10:153
251654499251,21cyclictest2778095-21apt-get23:25:132
251654499251,20cyclictest2798736-21apt-get23:45:142
2516542992522,2cyclictest134-1kworker/1:1H+kblockd19:10:461
2516542992518,5cyclictest2572139-21ntpq20:00:201
251653799252,2cyclictest2701425-21apt-get22:10:100
2516537992518,6cyclictest0-21swapper/020:25:000
2516537992512,12cyclictest2828474-21unixbench_multi00:10:240
251653799250,19cyclictest0-21swapper/022:25:110
251654799241,3cyclictest2741126-21ntpq22:45:223
251654799241,2cyclictest2578379-21apt-get20:10:123
251654799241,20cyclictest2834678-21apt-get00:20:133
251654799241,20cyclictest0-21swapper/321:20:123
251654799240,20cyclictest0-21swapper/323:25:113
251654499242,3cyclictest2521824-21apt-get19:15:122
251654499242,2cyclictest2552636-21apt-get19:45:122
2516544992419,3cyclictest2655035-21taskset21:25:122
2516544992419,2cyclictest0-21swapper/222:00:122
251654499241,3cyclictest2839713-21apt-get00:25:162
251654499240,20cyclictest0-21swapper/220:20:132
251654299241,3cyclictest2604264-21apt-get20:35:121
251654299241,20cyclictest2788180-21apt-get23:35:121
251654299240,23cyclictest2716342-21idleruntime-cro22:25:001
251654299240,21cyclictest2644889-21apt-get21:15:121
251654299240,20cyclictest0-21swapper/121:55:111
2516537992418,5cyclictest0-21swapper/023:15:130
2516537992418,4cyclictest702-21runrttasks22:40:120
2516537992418,4cyclictest2787910-21cron23:35:000
2516537992416,7cyclictest0-21swapper/019:40:120
2516537992413,10cyclictest0-21swapper/019:55:000
251653799240,20cyclictest64-21kcompactd022:05:030
251653799240,19cyclictest0-21swapper/019:18:570
2516547992319,2cyclictest2660086-21apt-get21:30:133
2516547992319,2cyclictest2552369-21cron19:45:003
2516547992319,2cyclictest0-21swapper/320:50:113
2516547992318,4cyclictest2829095-21apt-config00:15:013
2516547992318,3cyclictest2594056-21apt-get20:25:103
2516547992317,4cyclictest2794038-21sed23:40:153
251654799231,2cyclictest2747325-21apt-get22:55:123
251654799231,2cyclictest2675200-21apt-get21:45:123
251654799231,2cyclictest0-21swapper/322:15:123
251654499232,20cyclictest2850277-21apt-get00:35:122
251654499231,21cyclictest2583936-21irqcore20:15:142
251654499231,21cyclictest0-21swapper/221:10:112
251654499231,20cyclictest2558105-21apt-get19:50:132
251654499231,20cyclictest0-21swapper/200:10:122
2516542992319,3cyclictest516-21rs:main1
251654299231,2cyclictest2743196-21ps22:50:171
251654299230,21cyclictest2680759-21ps21:50:161
251654299230,21cyclictest2542980-21taskset19:35:161
251654299230,20cyclictest0-21swapper/121:00:121
251653799239,12cyclictest0-21swapper/000:30:000
251653799236,3cyclictest0-21swapper/023:00:000
251653799231,2cyclictest2670145-21apt-get21:40:110
251653799231,20cyclictest2516759-21apt-get19:10:120
2516537992311,2cyclictest2629698-21cpuspeed_turbos21:00:130
2516537992311,2cyclictest2537189-21systemd-run19:30:000
2516537992310,2cyclictest0-21swapper/021:05:180
2516537992310,2cyclictest0-21swapper/000:05:130
2516547992219,2cyclictest64-21kcompactd021:44:393
2516547992219,2cyclictest2532361-21apt-get19:25:123
2516547992219,2cyclictest0-21swapper/323:18:423
2516547992218,3cyclictest2562882-21cron19:55:003
2516547992218,2cyclictest0-21swapper/320:59:283
2516547992218,2cyclictest0-21swapper/319:45:123
2516547992217,3cyclictest2803764-21apt-get23:50:133
2516547992217,3cyclictest0-21swapper/322:04:593
251654799221,2cyclictest2527317-21apt-get19:20:123
251654799221,2cyclictest0-21swapper/322:05:103
251654799221,1cyclictest0-21swapper/322:35:103
251654799220,2cyclictest2803489-21idleruntime-cro23:50:003
251654799220,20cyclictest64-21kcompactd023:39:093
251654799220,20cyclictest2542220-21cron19:35:003
251654799220,20cyclictest0-21swapper/320:35:113
2516544992219,2cyclictest0-21swapper/222:45:122
2516544992219,1cyclictest0-21swapper/219:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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