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2025-12-08 - 03:11
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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 50 highest latencies:
System rack2slot7.osadl.org (updated Mon Dec 08, 2025 00:43:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4079441994736,6cyclictest0-21swapper/022:08:080
4079441994625,3cyclictest0-21swapper/021:45:130
4079442993930,7cyclictest1005-21mta-sts-daemon21:38:131
4079441993920,6cyclictest83352-21fschecks_count00:03:100
407944199358,21cyclictest0-21swapper/021:32:000
407944199341,25cyclictest0-21swapper/022:36:340
4079441993121,2cyclictest0-21swapper/021:37:000
407944199311,29cyclictest4174010-21ntpq22:13:120
407944199311,20cyclictest0-21swapper/000:07:120
407944299305,5cyclictest171rcu_preempt22:53:131
4079442993016,3cyclictest171rcu_preempt22:03:081
407944199301,5cyclictest4124554-21awk21:21:120
407944499294,3cyclictest11050irq/107-eth%d22:41:152
407944199291,21cyclictest0-21swapper/023:18:090
407944299287,13cyclictest28312-21ssh23:03:401
407944299283,8cyclictest4153643-21ssh21:51:481
407944299282,3cyclictest171rcu_preempt22:28:141
4079444992712,9cyclictest0-21swapper/222:46:482
407944299272,19cyclictest4079445-21systemd-run19:16:111
407944199274,18cyclictest4192978-21ntpq22:33:140
407944199273,17cyclictest14-21ksoftirqd/021:58:070
407944299267,10cyclictest11050irq/107-eth%d00:13:121
407944199263,4cyclictest14-21ksoftirqd/023:28:160
4079441992615,3cyclictest64627-21/usr/sbin/munin23:43:060
407944199260,17cyclictest0-21swapper/022:46:200
112699260,3rtkit-daemon1125-21rtkit-daemon20:28:370
407944299253,4cyclictest171rcu_preempt19:41:201
407944299253,4cyclictest171rcu_preempt19:41:201
407944199254,17cyclictest2243333-21munin-node23:33:470
407944199254,15cyclictest18257-21ssh22:53:130
4079441992521,3cyclictest111906-21cat00:38:090
407944199251,4cyclictest23092-21awk22:58:160
407944199251,16cyclictest78476-21ssh23:58:060
407944499247,15cyclictest619-21mta-sts-daemon23:33:152
407944299244,14cyclictest4168791-21/usr/sbin/munin22:08:081
407944299241,5cyclictest0-21swapper/123:16:141
407944199240,23cyclictest4185968-21sendmail-msp22:28:140
4079441992318,3cyclictest0-21swapper/019:51:170
4079441992314,7cyclictest29938-21sendmail-msp23:13:120
4079441992312,2cyclictest0-21swapper/021:51:370
407944499223,14cyclictest992-21lldpd23:08:232
4079444992214,5cyclictest4155708-21threads21:53:212
407944299223,17cyclictest79363-21ld23:58:131
407944199229,3cyclictest46711-21ssh23:23:120
407944199224,14cyclictest619-21mta-sts-daemon19:16:440
407944199223,18cyclictest92157-21apt-get00:13:120
407944199222,13cyclictest171rcu_preempt21:16:450
4079441992216,3cyclictest1005-21mta-sts-daemon22:20:550
4079441992214,7cyclictest151ktimers/019:33:160
407944199220,1cyclictest4133792-21munin-plugin-st21:31:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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