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2026-08-30 - 12:02
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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 Sun Aug 30, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334865399361,6cyclictest3777322-21systemd-journal19:30:000
334865399330,22cyclictest3567006-21taskset22:40:260
334865399320,23cyclictest3442881-21sed20:40:160
334865399311,3cyclictest3496885-21apt-get21:35:130
334865399311,2cyclictest0-21swapper/023:10:100
334865699300,1cyclictest3368839-21awk19:30:001
3348653993019,2cyclictest0-21swapper/000:20:110
334865699291,26cyclictest3414106-21ntpq20:10:211
3348653992919,2cyclictest0-21swapper/019:15:130
3348653992918,3cyclictest0-21swapper/019:35:110
3348663992823,3cyclictest3777322-21systemd-journal22:19:593
3348656992819,8cyclictest3506034-21/usr/sbin/munin21:40:241
334865699280,20cyclictest3455584-21munin-run20:55:001
334865699280,20cyclictest3405011-21sshd20:05:071
3348653992819,3cyclictest3450796-21apt-get20:50:120
334866199270,25cyclictest3512141-21taskset21:50:122
3348656992714,5cyclictest3445750-21apt-get20:45:121
334865699271,20cyclictest3542635-21apt-get22:20:111
3348656992620,4cyclictest3593419-21apt-get23:10:101
3348656992619,5cyclictest3665465-21apt-get00:20:121
3348656992617,2cyclictest3442878-21ps20:40:161
334865699261,20cyclictest0-21swapper/119:15:131
334865699260,23cyclictest0-21swapper/121:35:131
334865399262,22cyclictest3405045-21apt-get20:05:120
334865399261,4cyclictest3465982-21apt-get21:05:130
334865399261,22cyclictest0-21swapper/021:25:120
334866399251,21cyclictest3614192-21apt-get23:30:113
3348656992515,2cyclictest3588050-21cron23:05:001
334865699251,20cyclictest3573122-21apt-get22:50:121
334865699250,2cyclictest64-21kcompactd023:21:531
334865699250,1cyclictest0-21swapper/119:24:481
334865699250,18cyclictest0-21swapper/121:50:201
334865399251,21cyclictest3618970-21basename23:35:000
334865399251,21cyclictest3410136-21apt-get20:10:110
334865399251,21cyclictest0-21swapper/021:50:120
334865399250,24cyclictest3639318-21seq23:55:010
3348663992420,2cyclictest3547705-21apt-get22:25:123
3348663992420,2cyclictest3455839-21apt-get20:55:103
334866199242,20cyclictest3415230-21apt-get20:15:122
3348661992419,3cyclictest702-21runrttasks21:15:112
334866199241,2cyclictest3420301-21apt-get20:20:112
3348656992417,6cyclictest3460910-21apt-get21:00:131
3348656992416,1cyclictest0-21swapper/122:40:261
334865699241,20cyclictest3588327-21apt-get23:05:131
334865699241,20cyclictest3522278-21apt-get22:00:121
334865699240,23cyclictest3480994-21cron21:20:001
334865699240,20cyclictest64-21kcompactd000:32:171
334865699240,20cyclictest0-21swapper/100:00:111
3348653992419,3cyclictest3425856-21ps20:25:160
3348653992419,3cyclictest3425856-21ps20:25:160
334865399241,3cyclictest3548196-21irqcore22:25:170
334865399241,21cyclictest3660377-21apt-get00:15:130
334865399241,21cyclictest3481385-21grep21:20:010
334865399241,21cyclictest3464817-21/usr/sbin/munin21:00:210
334865399241,21cyclictest3420301-21apt-get20:20:120
334865399241,21cyclictest0-21swapper/021:40:250
334865399240,21cyclictest0-21swapper/019:55:110
3348663992319,3cyclictest3476684-21ps21:15:163
334866399231,20cyclictest3552751-21apt-get22:30:113
334866399230,3cyclictest3665095-21chrt00:18:523
334866399230,20cyclictest0-21swapper/323:10:023
334866399230,19cyclictest0-21swapper/322:20:123
334866199232,2cyclictest3435539-21apt-get20:35:102
3348661992318,3cyclictest3777322-21systemd-journal21:49:592
334866199231,2cyclictest0-21swapper/222:00:122
334866199231,20cyclictest3592273-21ntpq23:05:212
334866199230,3cyclictest3394637-21cron19:55:002
334865699234,7cyclictest3475935-21munin-run21:15:001
3348656992319,2cyclictest3394909-21apt-get19:55:111
3348656992318,4cyclictest0-21swapper/100:15:001
3348656992318,3cyclictest3777322-21systemd-journal23:35:001
3348656992318,3cyclictest3486791-21apt-get21:25:121
334865699231,2cyclictest3399973-21apt-get20:00:101
3348656992311,2cyclictest0-21swapper/119:35:111
334865699230,21cyclictest3482041-21cut21:20:151
334865699230,20cyclictest0-21swapper/123:50:111
334865699230,20cyclictest0-21swapper/119:40:121
334865699230,1cyclictest0-21swapper/122:45:131
334865699230,19cyclictest0-21swapper/119:10:101
3348653992320,2cyclictest3633316-21ntpq23:45:210
3348653992319,2cyclictest0-21swapper/023:05:130
3348653992319,2cyclictest0-21swapper/019:40:120
3348653992318,4cyclictest3370064-21ps19:30:180
3348653992318,3cyclictest3599032-21grep23:15:170
334865399231,2cyclictest0-21swapper/020:45:120
334865399231,21cyclictest0-21swapper/023:20:130
334865399231,20cyclictest3578216-21apt-get22:55:130
334865399231,20cyclictest3578216-21apt-get22:55:120
334865399231,20cyclictest3517208-21apt-get21:55:130
334865399231,20cyclictest0-21swapper/022:30:110
334865399230,21cyclictest3572841-21cron22:50:000
334865399230,21cyclictest0-21swapper/020:35:090
3348663992219,2cyclictest3680736-21apt-get00:35:133
3348663992219,2cyclictest3373922-21apt-get19:35:003
3348663992219,2cyclictest0-21swapper/323:25:013
3348663992219,1cyclictest3675668-21apt-get00:30:123
334866399221,19cyclictest0-21swapper/320:05:123
334866399220,3cyclictest3361208-21ps19:20:173
334866399220,19cyclictest0-21swapper/322:10:123
334866399220,19cyclictest0-21swapper/320:30:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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