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2025-11-22 - 04:15
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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 rack2slot7.osadl.org (updated Sat Nov 22, 2025 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
367013399473,41cyclictest3670096-21munin-run19:15:580
3670133994322,20cyclictest3823670-21ntp_kernel_err23:13:090
367013399422,25cyclictest0-21swapper/023:18:020
367013599415,13cyclictest3798242-21ssh22:46:032
367013399414,5cyclictest3680024-21sendmail-msp19:51:030
3670133994025,2cyclictest0-21swapper/022:53:070
3670133994025,2cyclictest0-21swapper/022:53:070
367013399392,32cyclictest3778409-21sendmail-msp22:26:040
3670133993821,5cyclictest3696115-21/usr/sbin/munin20:33:060
367013399370,21cyclictest0-21swapper/023:43:070
367013599366,22cyclictest967-21snmpd22:03:042
367013399367,24cyclictest3813918-21/usr/sbin/munin23:03:020
3670134993422,10cyclictest1007-21mta-sts-daemon23:28:101
3670133993419,8cyclictest3768520-21apt-get22:16:010
367013399340,34cyclictest0-21swapper/023:38:040
367013399332,20cyclictest0-21swapper/023:47:280
3670133993210,16cyclictest3799621-21/usr/sbin/munin22:48:010
367013399317,22cyclictest3735218-21latency_hist21:40:580
367013399306,23cyclictest3695365-21ntpq20:28:060
3670133992917,3cyclictest3808597-21/usr/sbin/munin22:57:580
367013399291,22cyclictest3751429-21grep21:58:020
367013399282,19cyclictest58-21kcompactd023:27:070
367013599276,17cyclictest619-21mta-sts-daemon20:26:032
367013599272,15cyclictest111788-21systemd-journal21:48:072
367013599272,12cyclictest11050irq/107-eth%d00:03:352
367013399276,20cyclictest3703337-21sort20:52:580
3670133992715,1cyclictest58-21kcompactd000:25:590
367013399271,24cyclictest0-21swapper/021:53:070
367013399271,22cyclictest0-21swapper/021:43:000
367013399270,26cyclictest0-21swapper/022:02:580
367013599263,17cyclictest3854612-21sendmail-msp23:52:332
367013399263,10cyclictest0-21swapper/022:23:000
3670133992621,3cyclictest3739906-21sendmail-msp21:48:070
3670133992617,2cyclictest3720695-21sendmail-msp21:33:020
3670133992614,7cyclictest0-21swapper/022:41:000
3670133992612,8cyclictest3854612-21sendmail-msp23:53:070
367013399261,1cyclictest3715918-21munin-run21:20:580
3670133992610,2cyclictest14-21ksoftirqd/000:31:060
367013699253,9cyclictest0-21swapper/323:18:023
3670135992521,3cyclictest3856932-21ntpq23:48:082
3670133992518,3cyclictest3768511-21cron22:15:570
3670133992514,3cyclictest0-21swapper/000:37:390
3670133992513,2cyclictest3722189-21/usr/sbin/munin21:28:030
367013399251,23cyclictest3760575-21aten_r2power_cu22:07:560
367013599245,15cyclictest3711098-21diskmemload23:26:062
367013499242,7cyclictest171rcu_preempt22:53:011
367013499242,7cyclictest171rcu_preempt22:53:011
3670133992414,9cyclictest3816571-21sendmail-msp23:08:050
3670133992412,5cyclictest0-21swapper/019:18:030
367013599235,11cyclictest3711098-21diskmemload23:55:592
367013599232,18cyclictest3751876-21ld21:58:062
367013599232,15cyclictest3681395-21ntpq19:48:062
367013499235,15cyclictest3870809-21ntpq00:03:031
367013499233,15cyclictest3787266-21ssh22:35:121
367013499232,15cyclictest3894388-21sh00:31:041
3670133992319,3cyclictest3680904-21fschecks_count19:48:010
3670133992319,2cyclictest3718274-21ntpq21:23:040
3670133992315,7cyclictest3678950-21cut19:43:030
3670133992314,6cyclictest3790531-21ntp_states22:38:060
367013399230,18cyclictest3843179-21grep23:33:070
367013399230,18cyclictest0-21swapper/000:18:110
367013399230,16cyclictest3865353-21cut23:57:550
367013699226,5cyclictest0-21swapper/322:58:053
367013699222,7cyclictest0-21swapper/322:53:013
367013699222,7cyclictest0-21swapper/322:53:013
367013599227,9cyclictest3894658-21ssh00:31:392
367013599227,3cyclictest11050irq/107-eth%d22:34:082
367013599227,12cyclictest3778641-21ssh22:25:592
367013599225,14cyclictest3769122-21ssh22:16:012
367013599222,13cyclictest3890042-21sed00:25:592
367013599221,8cyclictest3847111-21/usr/sbin/munin23:37:592
3670135992213,4cyclictest0-21swapper/221:33:132
367013499228,4cyclictest11050irq/107-eth%d22:43:101
3670134992215,3cyclictest271ktimers/121:18:051
367013399228,11cyclictest3788038-21base6422:35:580
3670133992218,3cyclictest3698580-21ntpq20:38:050
3670133992214,2cyclictest3904850-21unixbench_singl00:43:090
367013499218,9cyclictest3835874-21sendmail-msp23:32:271
367013499218,11cyclictest3873234-21sendmail-msp00:14:111
367013499213,12cyclictest3676116-21collect219:33:061
367013399210,16cyclictest3699748-21/usr/sbin/munin20:43:070
367013699203,6cyclictest0-21swapper/323:28:103
367013599205,12cyclictest3804278-21cat22:53:012
367013599205,12cyclictest3804278-21cat22:53:012
367013599205,12cyclictest3788362-21ssh22:36:012
367013599204,13cyclictest619-21mta-sts-daemon20:08:052
367013599204,12cyclictest3879668-21ssh00:13:062
367013599202,4cyclictest171rcu_preempt19:15:582
367013499204,12cyclictest3855743-21ssh23:47:281
367013499202,16cyclictest3828344-21ntpq23:18:021
367013399200,15cyclictest3880682-21ssh00:13:520
367013399200,12cyclictest0-21swapper/000:08:540
367013499195,8cyclictest3790240-21/usr/sbin/munin22:38:021
367013499193,8cyclictest3711098-21diskmemload00:25:591
367013499193,12cyclictest111788-21systemd-journal00:10:301
367013399196,12cyclictest3891182-21aten_r2power_vo00:27:570
367013399195,11cyclictest3707821-21sendmail-msp21:08:060
367013399191,16cyclictest0-21swapper/020:12:550
367013399190,1cyclictest0-21swapper/023:23:330
367013699186,5cyclictest0-21swapper/300:33:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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