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2026-05-07 - 03:30
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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 Thu May 07, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2925057994744,2cyclictest3082991-21fwupd21:44:522
292505199373,23cyclictest2981093-21sh20:05:000
292505199331,20cyclictest3123874-21apt-get22:25:110
2925051993219,12cyclictest3104066-21grep22:05:150
2925051993119,10cyclictest0-21swapper/021:10:160
2925051993118,12cyclictest3026579-21cron20:50:000
292505199301,1cyclictest2950934-21apt-get19:35:110
2925051992918,9cyclictest0-21swapper/023:50:120
292505199291,2cyclictest2930668-21apt-get19:15:110
2925051992820,6cyclictest0-21swapper/021:44:540
2925051992819,7cyclictest2991475-21apt-get20:15:120
292505199280,1cyclictest0-21swapper/023:05:000
292506399261,20cyclictest3958111-21kworker/u8:1+flush-259:021:15:133
2925051992616,1cyclictest0-21swapper/020:50:160
292505199261,23cyclictest2940808-21chrt19:25:130
2925063992521,2cyclictest3210356-21cron23:50:013
292506399251,20cyclictest3185229-21apt-get23:25:133
292506399251,20cyclictest0-21swapper/321:45:113
292506399251,20cyclictest0-21swapper/320:15:133
292506399251,20cyclictest0-21swapper/319:15:113
292505799252,3cyclictest3256144-21apt-get00:35:112
2925057992523,1cyclictest0-21swapper/222:25:122
292505499250,22cyclictest3047025-21taskset21:10:121
2925051992519,5cyclictest0-21swapper/020:40:030
292506399241,21cyclictest3235931-21apt-get00:15:123
292506399241,20cyclictest0-21swapper/319:35:113
292506399241,19cyclictest0-21swapper/321:35:123
292506399240,4cyclictest2926092-21grep19:10:153
292506399240,21cyclictest3088846-21grep21:50:163
292505799242,2cyclictest3205520-21apt-get23:45:112
2925057992422,1cyclictest0-21swapper/223:50:122
292505799241,21cyclictest3245811-21sh00:25:002
292505799241,21cyclictest3190263-21apt-get23:30:122
292505199241,3cyclictest3057981-21apt-get21:20:120
2925051992413,2cyclictest61650irq/133-enp0s29f1:rx-019:45:100
2925051992412,2cyclictest2971219-21apt-get19:55:110
292505199241,21cyclictest3169566-21apt-get23:10:100
2925063992319,2cyclictest0-21swapper/321:55:123
2925063992319,2cyclictest0-21swapper/300:10:103
2925063992318,3cyclictest0-21swapper/320:45:123
292506399231,2cyclictest3200426-21apt-get23:40:113
292506399231,2cyclictest3026850-21apt-get20:50:123
292506399231,2cyclictest3016788-21apt-get20:40:103
292506399231,21cyclictest3260018-21ntpq00:35:193
292506399231,20cyclictest2976311-21apt-get20:00:123
292506399230,20cyclictest0-21swapper/320:05:123
292505799232,20cyclictest3215676-21apt-get23:55:122
2925057992321,1cyclictest0-21swapper/223:40:012
2925057992320,2cyclictest391rcuc/220:50:162
292505799231,2cyclictest3220714-21apt-get00:00:122
292505799231,2cyclictest3132935-21ntpq22:30:212
292505799231,2cyclictest2981368-21apt-get20:05:122
292505799231,20cyclictest3139125-21apt-get22:40:102
292505799231,20cyclictest3068111-21apt-get21:30:102
292505799231,20cyclictest2940803-21apt-get19:25:122
292505799230,4cyclictest3057308-21idleruntime-cro21:19:592
2925054992320,2cyclictest3240991-21apt-get00:20:121
2925054992320,2cyclictest2961041-21apt-get19:45:111
2925054992320,1cyclictest3083290-21apt-get21:45:101
2925054992319,2cyclictest2955987-21apt-get19:40:111
292505499231,21cyclictest3174409-21sh23:15:001
292505499231,21cyclictest261-21systemd-journal20:55:001
292505499230,4cyclictest3067855-21munin-run21:29:591
292505499230,20cyclictest0-21swapper/123:55:121
292505499230,20cyclictest0-21swapper/100:05:111
292505499230,19cyclictest0-21swapper/122:40:101
2925051992319,2cyclictest3251114-21apt-get00:30:100
2925051992319,2cyclictest3063036-21apt-get21:25:120
2925051992318,4cyclictest64-21kcompactd019:23:100
2925051992318,4cyclictest64-21kcompactd019:23:100
2925051992316,1cyclictest0-21swapper/023:15:120
2925051992315,1cyclictest3088359-21apt-get21:50:110
2925051992313,3cyclictest61650irq/133-enp0s29f1:rx-000:35:100
292505199231,2cyclictest3134059-21apt-get22:35:120
292505199231,20cyclictest3113732-21apt-get22:15:110
2925063992219,1cyclictest0-21swapper/300:20:123
2925063992218,2cyclictest3225766-21apt-get00:05:103
2925063992218,2cyclictest3148104-21ntpq22:45:203
2925063992218,2cyclictest2996532-21apt-get20:20:113
292506399221,20cyclictest0-21swapper/322:41:003
292506399220,2cyclictest3123600-21cron22:25:003
292506399220,2cyclictest3123600-21cron22:24:593
292506399220,2cyclictest0-21swapper/323:00:123
292506399220,2cyclictest0-21swapper/300:25:113
292506399220,19cyclictest0-21swapper/322:10:113
292505799222,1cyclictest2935749-21apt-get19:20:122
292505799222,1cyclictest2935749-21apt-get19:20:112
2925057992219,2cyclictest3118824-21apt-get22:20:092
2925057992219,2cyclictest3118824-21apt-get22:20:092
2925057992219,2cyclictest0-21swapper/223:27:462
2925057992218,2cyclictest3103567-21apt-get22:05:112
292505799221,2cyclictest0-21swapper/219:40:552
292505799220,21cyclictest0-21swapper/223:10:092
2925054992219,2cyclictest2930406-21munin-run19:15:001
2925054992218,3cyclictest3021824-21taskset20:45:111
2925054992217,3cyclictest261-21systemd-journal23:35:011
292505499221,2cyclictest3195332-21apt-get23:35:111
292505499220,20cyclictest3246083-21apt-get00:25:111
292505499220,19cyclictest0-21swapper/120:05:121
2925051992219,2cyclictest3164477-21apt-get23:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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