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2025-12-04 - 05:34
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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 Thu Dec 04, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
403425599338,24cyclictest3471731-21systemd-journal21:45:003
4034247993229,2cyclictest0-21swapper/123:25:151
4034255992925,3cyclictest148137-21ls23:35:013
4034247992823,3cyclictest109582-21systemd-run23:05:011
403425599272,22cyclictest4122897-21apt-get20:35:133
403424799271,22cyclictest4143699-21apt-get20:55:141
403424799262,3cyclictest4154230-21apt-get21:05:121
403424799262,21cyclictest122813-21apt-get23:15:131
403424799261,4cyclictest145757-21cut23:30:181
403424799261,23cyclictest193030-21ps00:10:181
403424799261,21cyclictest59629-21apt-get22:25:131
403424799261,21cyclictest4096657-21apt-get20:10:111
403425599252,22cyclictest491ktimers/323:11:123
403425599251,21cyclictest4165641-21apt-get21:15:133
403425599251,20cyclictest34619-21diskstats22:05:163
4034250992522,2cyclictest522-21in:imuxsock22:45:002
403425099251,21cyclictest217679-21apt-get00:30:132
403424799252,3cyclictest180003-21apt-get00:00:141
403424799252,3cyclictest129510-21apt-get23:20:131
403424799251,3cyclictest110298-21apt-get23:05:121
403424799251,22cyclictest4034462-21apt-get19:10:111
403424799251,21cyclictest4055790-21apt-get19:30:131
403424799251,21cyclictest0-21swapper/123:35:141
403424799251,21cyclictest0-21swapper/120:50:131
403424799250,4cyclictest50566-21ssh22:15:211
403424799250,21cyclictest0-21swapper/120:20:151
4034245992521,3cyclictest4056152-21tail19:30:160
4034245992513,2cyclictest4070929-21awk19:44:590
4034255992420,2cyclictest224010-21apt-get00:35:153
403425599240,22cyclictest4085414-21chrt19:55:243
403425599240,21cyclictest122816-21seq23:15:123
4034247992419,3cyclictest4101734-21apt-get20:15:111
4034247992418,3cyclictest173659-21ssh23:55:121
403424799241,3cyclictest53320-21apt-get22:20:131
403424799241,3cyclictest169041-21kthreadcore23:50:181
403424799241,2cyclictest4159052-21diskmemload22:40:091
403424799241,21cyclictest4159052-21diskmemload22:05:091
403424799241,21cyclictest4159052-21diskmemload21:31:111
403424799241,20cyclictest0-21swapper/123:45:121
403424799241,20cyclictest0-21swapper/121:45:071
403424799241,20cyclictest0-21swapper/121:40:111
403424799241,20cyclictest0-21swapper/119:40:111
403424799240,3cyclictest223705-21munin-run00:35:011
403424799240,22cyclictest4046026-21cut19:20:171
403424799240,22cyclictest3471731-21systemd-journal21:15:001
403424799240,22cyclictest102143-21ssh22:56:221
403424799240,21cyclictest301rcuc/121:50:121
403424799240,21cyclictest0-21swapper/122:45:081
403424799240,21cyclictest0-21swapper/100:05:141
403424799240,20cyclictest40735-21ssh22:10:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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