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2026-04-06 - 14:26
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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 Apr 06, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274645699332,21cyclictest2746970-21apt-get19:10:123
274645699331,22cyclictest0-21swapper/320:20:103
274645699300,2cyclictest2895544-21cron21:35:013
274645699300,27cyclictest2992480-21cron23:10:003
2746456992915,13cyclictest2792432-21taskset19:50:203
274645699291,2cyclictest2885266-21apt-get21:25:123
274645699291,2cyclictest0-21swapper/321:45:133
274645699291,2cyclictest0-21swapper/320:00:113
2746456992819,7cyclictest0-21swapper/320:50:013
274645699280,2cyclictest2783000-21apt-key19:45:003
2746456992717,8cyclictest0-21swapper/300:15:163
2746456992715,3cyclictest514-21in:imuxsock19:39:593
2746456992715,11cyclictest2983136-21irqcore23:00:153
2746456992622,2cyclictest2921254-21cut22:00:003
274645699261,21cyclictest3013044-21apt-get23:30:123
2746453992623,2cyclictest2813611-21munin-run20:15:002
2746453992622,2cyclictest2997832-21apt-get23:15:112
274645399261,23cyclictest2869658-21taskset21:10:112
2746456992521,2cyclictest3018120-21apt-get23:35:113
2746456992517,6cyclictest3079059-21chrt00:35:133
2746456992512,3cyclictest2936845-21fschecks_count22:15:143
274645699251,21cyclictest0-21swapper/323:10:113
274645699251,20cyclictest3038428-21apt-get23:55:123
274645399251,20cyclictest2746970-21apt-get19:10:112
274645399250,5cyclictest2931345-21idleruntime-cro22:10:012
274645399250,22cyclictest3017844-21cron23:35:002
274645399250,22cyclictest2906439-21grep21:45:172
274644999252,20cyclictest2834150-21apt-get20:35:131
274644999251,21cyclictest2895821-21apt-get21:35:121
274644999251,20cyclictest2926540-21apt-get22:05:131
274644699251,21cyclictest2941751-21apt-get22:20:120
274644699250,22cyclictest3008476-21grep23:25:150
2746456992420,2cyclictest2921513-21apt-get22:00:163
2746456992415,1cyclictest0-21swapper/322:25:103
274645699241,20cyclictest2793528-21apt-get19:55:103
274645699240,2cyclictest64-21kcompactd021:18:323
274645699240,23cyclictest0-21swapper/322:38:053
274645699240,21cyclictest2865081-21cut21:05:153
274645699240,1cyclictest0-21swapper/300:00:113
2746453992421,1cyclictest0-21swapper/220:50:012
2746453992420,2cyclictest3079056-21apt-get00:35:142
274645399241,3cyclictest2788460-21apt-get19:50:112
274645399240,21cyclictest0-21swapper/200:00:112
274645399240,20cyclictest2843229-21ntp_states20:40:212
2746449992420,2cyclictest2992755-21apt-get23:10:111
2746449992420,2cyclictest2941751-21apt-get22:20:121
2746449992419,2cyclictest3043533-21apt-get00:00:121
274644999241,21cyclictest3048610-21apt-get00:05:111
274644999241,20cyclictest3007990-21apt-get23:25:111
274644999241,20cyclictest2849377-21apt-get20:50:121
274644999240,22cyclictest3074003-21taskset00:30:121
274644999240,19cyclictest0-21swapper/121:25:121
2746446992420,2cyclictest2936671-21apt-get22:15:110
274644699241,3cyclictest0-21swapper/021:35:130
274644699241,22cyclictest2839237-21apt-get20:40:100
274644699241,21cyclictest2869655-21apt-get21:10:120
274644699241,21cyclictest2844304-21apt-get20:45:100
274644699241,21cyclictest2818917-21apt-get20:20:100
2746456992319,3cyclictest64-21kcompactd020:50:013
2746456992319,2cyclictest0-21swapper/321:00:143
2746456992316,1cyclictest0-21swapper/321:20:203
2746456992315,6cyclictest0-21swapper/300:20:113
274645699231,2cyclictest2854444-21apt-get20:55:113
274645699231,2cyclictest0-21swapper/320:25:123
274645699231,2cyclictest0-21swapper/300:05:103
274645699231,19cyclictest0-21swapper/322:10:113
274645699231,19cyclictest0-21swapper/319:15:123
2746456992311,2cyclictest0-21swapper/322:30:153
274645699230,20cyclictest0-21swapper/322:50:123
274645699230,20cyclictest0-21swapper/320:40:113
2746453992319,2cyclictest3028298-21apt-get23:45:122
2746453992319,2cyclictest0-21swapper/219:55:112
274645399231,2cyclictest3023219-21apt-get23:40:122
274645399231,2cyclictest2859514-21apt-get21:00:142
274645399230,20cyclictest0-21swapper/223:00:112
274645399230,20cyclictest0-21swapper/222:50:112
274645399230,20cyclictest0-21swapper/200:15:122
274645399230,1cyclictest64-21kcompactd022:47:142
2746449992319,2cyclictest2900895-21apt-get21:40:111
2746449992319,2cyclictest2798599-21apt-get20:00:121
2746449992319,2cyclictest2767787-21apt-get19:30:111
2746449992317,4cyclictest2758124-21ps19:20:161
274644999231,2cyclictest2987702-21apt-get23:05:111
274644999231,20cyclictest3037265-21ntpq23:50:201
274644999231,19cyclictest3068899-21apt-get00:25:111
274644999231,19cyclictest2874732-21apt-get21:15:141
274644999230,2cyclictest2746270-21apt-get19:10:021
274644999230,21cyclictest3017850-21awk23:35:001
274644999230,20cyclictest0-21swapper/122:50:111
274644999230,20cyclictest0-21swapper/121:10:111
274644699231,2cyclictest64-21kcompactd020:38:440
274644699231,2cyclictest2982647-21apt-get23:00:100
274644699231,2cyclictest2931616-21apt-get22:10:110
274644699231,2cyclictest0-21swapper/020:55:110
274644699231,2cyclictest0-21swapper/000:25:110
274644699231,21cyclictest3073999-21apt-get00:30:120
274644699231,21cyclictest2962437-21apt-get22:40:120
274644699230,3cyclictest2757799-21/usr/sbin/munin19:20:130
274644699230,21cyclictest2789413-21sort19:50:160
274644699230,20cyclictest0-21swapper/021:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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