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2026-03-11 - 06:31
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack7slot2.osadl.org (updated Wed Mar 11, 2026 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8433998172,7cyclictest194111-21kworker/u4:5+events_unbound23:56:370
8434997944,32cyclictest182071-21kworker/u4:1623:40:011
843499757,19cyclictest206901-21ssh00:05:351
8434997532,8cyclictest0-21swapper/122:00:241
843499736,26cyclictest154926-21ntpq23:10:331
8433997366,5cyclictest1086-21kworker/u4:4+events_unbound19:10:410
8434997239,5cyclictest121543-21gltestperf22:35:201
8434997136,5cyclictest130954-21gltestperf22:45:211
843499692,24cyclictest39177-21diskmemload00:15:281
843499674,47cyclictest112281-21ssh22:25:251
8433996658,6cyclictest156415-21kworker/u4:8+events_unbound23:16:320
8434996345,8cyclictest1241-21kworker/u4:7+events_unbound19:50:501
8433996254,6cyclictest88883-21ntp_states22:00:420
8433996051,6cyclictest168391-21aten_r7power_po23:25:160
8434995949,8cyclictest0-21swapper/123:15:401
8433995952,5cyclictest166044-21kworker/u4:13+events_unbound23:51:350
8433995851,5cyclictest26365-21kworker/u4:12+events_unbound21:11:090
8434995750,5cyclictest35307-21kworker/u4:8+events_unbound21:16:101
8433995636,17cyclictest177967-21ssh23:35:190
843399555,21cyclictest30231-21munin-run20:35:010
8433995543,9cyclictest26774-21df20:20:160
843499546,39cyclictest140833-21ssh22:55:391
8433995428,24cyclictest48878-21sendmail21:20:010
8433995345,6cyclictest226059-21/usr/sbin/munin00:25:380
8433995345,6cyclictest211348-21/usr/sbin/munin00:10:220
8433995345,6cyclictest211348-21/usr/sbin/munin00:10:210
8433995343,8cyclictest206186-21/usr/sbin/munin00:05:200
843399534,19cyclictest177349-21modprobe23:35:010
8433995334,7cyclictest145908-21tail23:00:390
8433995332,19cyclictest34490-21fschecks_count20:50:190
8434995245,5cyclictest201707-21fschecks_time00:00:211
8434995243,6cyclictest7158-21kworker/u4:1+events_unbound19:15:401
8433995243,5cyclictest25650irq/23-42890000.ethernet20:40:000
8433995241,8cyclictest54487-21grep21:25:200
8433995239,8cyclictest0-21swapper/022:10:330
8433995227,20cyclictest0-21swapper/019:44:590
843499514,27cyclictest78941-21ssh21:50:251
8433995144,5cyclictest103224-21xargs22:15:390
8433995143,5cyclictest8429-21cyclictest23:20:340
8433995143,5cyclictest21255-21cron20:00:010
8433995141,7cyclictest0-21swapper/021:40:330
843399514,16cyclictest220494-21diskstats00:20:190
8433995139,9cyclictest84208-21switchtime21:55:380
8433995136,11cyclictest122258-21sed22:35:370
8434995043,5cyclictest87617-21kworker/u4:822:00:001
8434995043,5cyclictest26015-21sendmail_mailqu20:15:361
8434995043,5cyclictest107386-21/usr/sbin/munin22:20:211
8434995041,5cyclictest14811-21munin-plugin-st19:35:001
8434995039,8cyclictest125861-21aten_r7power_en22:40:141
8433995044,3cyclictest0-21swapper/021:35:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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