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2025-12-06 - 07:57
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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 rackeslot4.osadl.org (updated Sat Dec 06, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200279799341,2cyclictest0-21swapper/023:05:140
200279799341,20cyclictest2391325-21idleruntime-cro00:40:000
2002797993318,4cyclictest2283480-21sh23:12:310
200279799322,2cyclictest2246885-21apt-get22:45:110
200279799321,21cyclictest2090145-21apt-get20:35:120
200279799312,21cyclictest2095238-21apt-get20:40:140
200279799312,21cyclictest2003014-21apt-get19:10:130
2002797993118,2cyclictest2370635-21/usr/sbin/munin00:20:220
2002797993116,3cyclictest2189202-21ssh21:58:410
200279799311,2cyclictest2284575-21apt-get23:15:130
200279799310,21cyclictest1-21systemd21:40:000
2002797993018,3cyclictest2125951-21diskmemload00:29:330
200279799300,21cyclictest2302862-21ssh23:29:220
200279799300,21cyclictest2239778-21ssh22:38:200
200279799300,20cyclictest0-21swapper/022:58:240
200279799300,20cyclictest0-21swapper/022:58:230
2002797992919,8cyclictest2100835-21grep20:45:130
2002797992919,8cyclictest2038415-21cron19:45:000
200279799291,20cyclictest2125951-21diskmemload22:05:300
200279799291,19cyclictest0-21swapper/023:03:520
200279999280,3cyclictest0-21swapper/100:15:231
2002797992818,2cyclictest2125951-21diskmemload21:43:120
2002797992818,1cyclictest2125951-21diskmemload23:42:340
2002797992818,1cyclictest0-21swapper/023:38:260
2002797992818,1cyclictest0-21swapper/000:13:590
2002797992817,2cyclictest2177071-21munin-run21:50:000
200279799280,20cyclictest2125951-21diskmemload21:32:430
2002802992723,3cyclictest2284272-21systemd-run23:15:002
200280299272,22cyclictest2023416-21apt-get19:30:122
200280299272,21cyclictest2158523-21apt-get21:35:122
200280299271,23cyclictest2013244-21apt-get19:20:122
200280299271,22cyclictest2334709-21apt-get23:55:142
200280299271,21cyclictest2164765-21apt-get21:40:112
2002797992719,1cyclictest0-21swapper/019:20:160
2002797992716,2cyclictest2150015-21ntp_states21:25:270
200279799271,1cyclictest0-21swapper/021:12:380
200279799270,21cyclictest2214758-21ssh22:18:440
200279799270,20cyclictest2125951-21diskmemload21:19:030
200279799270,20cyclictest0-21swapper/023:46:130
200279799270,1cyclictest0-21swapper/023:24:500
200280299261,23cyclictest2256123-21kthreadcore22:50:192
200280299261,21cyclictest2272014-21apt-get23:05:122
200279999260,2cyclictest191rcu_preempt22:35:121
2002797992619,1cyclictest0-21swapper/022:27:260
2002797992618,1cyclictest0-21swapper/023:53:560
2002797992618,1cyclictest0-21swapper/022:11:260
2002797992617,1cyclictest0-21swapper/022:50:090
200279799261,2cyclictest2125951-21diskmemload22:01:270
200279799260,1cyclictest64-21kcompactd023:55:160
200280799252,2cyclictest2221758-21apt-get22:25:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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