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2026-06-10 - 14:09
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Tue Jun 09, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27993220020,48sleep00-21swapper/007:09:400
280999917728,105cyclictest1408-21nginx08:25:380
280999917528,104cyclictest1408-21nginx09:14:400
28099991626,103cyclictest6995-21apt-get12:07:100
280999916235,107cyclictest24649-21grep11:05:430
280999916010,95cyclictest5146-21apt-get07:45:430
28099991599,110cyclictest9147-21ntp_states12:10:390
28099991588,92cyclictest12817-21apt-get12:27:090
280999915837,109cyclictest1276-21runrttasks10:05:110
280999915810,110cyclictest25315-21apt-get11:11:470
28099991577,94cyclictest28585-21ntp_states07:10:420
28099991577,107cyclictest735-21runrttasks11:40:030
28099991576,98cyclictest19017-21df10:45:170
280999915758,81cyclictest11265-21/usr/sbin/munin12:20:260
28099991558,109cyclictest30189-21apt-get07:17:090
28099991548,126cyclictest1305-21snmpd09:51:280
28099991548,108cyclictest7627-21/usr/sbin/munin10:00:150
280999915436,106cyclictest2842-21df_inode09:40:180
280999915435,98cyclictest0-21swapper/008:10:550
280999915427,115cyclictest14256-21apt-get08:18:200
28099991538,90cyclictest5157-21http07:45:020
28099991538,122cyclictest18712-21sshd08:35:280
280999915337,105cyclictest6417-21aten_r7power_en09:55:150
28099991528,107cyclictest19952-21apt-get10:52:140
280999915237,98cyclictest8751-21vmstat07:55:510
280999915213,120cyclictest1408-21nginx08:40:410
28099991518,106cyclictest21176-21diskstats08:45:220
28099991516,124cyclictest2364-21cut07:35:080
28099991515,114cyclictest28201-21apt11:20:020
280999915140,100cyclictest29581-21runrttasks09:17:020
28099991507,94cyclictest10773-21apt-get12:17:080
28099991507,91cyclictest2263-21apt-get07:37:120
28099991507,87cyclictest1750-21chrt09:35:350
280999915033,105cyclictest1408-21nginx11:01:190
28099991498,96cyclictest21694-21/usr/sbin/munin10:55:440
28099991498,122cyclictest17227-21/usr/sbin/munin08:30:480
28099991498,107cyclictest25408-21memory09:00:340
28099991498,104cyclictest1305-21snmpd08:00:520
28099991498,103cyclictest4998-21ntp_states11:55:390
28099991489,100cyclictest15210-21seq12:31:050
28099991488,99cyclictest802-21in:imuxsock08:24:290
28099991488,102cyclictest32519-21df_inode07:25:200
28099991486,84cyclictest30560-21apt-get07:22:120
280999914825,111cyclictest11933-21sshd10:15:470
28099991478,105cyclictest7003-21http12:05:020
28099991476,98cyclictest3619-21sshd11:50:280
280999914740,89cyclictest101ktimersoftd/009:20:480
28099991469,95cyclictest31410-21users11:30:460
28099991469,93cyclictest24543-21users08:56:400
28099991467,120cyclictest26845-21/usr/sbin/munin09:05:460
28099991467,102cyclictest10690-21/usr/sbin/munin08:05:150
280999914637,97cyclictest15764-21seq10:31:140
280999914633,100cyclictest820-21sshd09:31:290
280999914631,101cyclictest28537-21diskstats11:20:200
28099991457,117cyclictest29874-21irqstats11:25:330
28099991448,93cyclictest22417-21diskstats08:50:240
280999914442,84cyclictest10150irq/55-4a10000010:20:160
28099991439,120cyclictest2541-21ntp_states11:45:500
280999914320,106cyclictest10250irq/56-4a10000009:29:430
28099991429,92cyclictest4278-21ntp_states09:45:410
280999914210,120cyclictest16929-21munin-run12:40:030
28099991418,114cyclictest17648-21wget10:40:140
28099991417,117cyclictest16363-21wget10:35:140
280999914128,101cyclictest14045-21df10:25:190
280999914030,99cyclictest10568-21sshd10:10:460
280999913928,94cyclictest862-21/usr/sbin/munin11:40:130
280999913824,102cyclictest754-21systemd-journal07:50:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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