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2026-07-02 - 15:21
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu Jul 02, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
368155499290,2cyclictest3732122-21sh19:59:592
3681549992725,1cyclictest3899758-21fwupd22:43:560
368155899261,22cyclictest3762724-21apt-get20:30:113
368155899261,21cyclictest3874879-21apt-get22:20:123
368155899261,21cyclictest0-21swapper/319:35:123
368155899261,21cyclictest0-21swapper/319:20:103
3681551992621,4cyclictest3747243-21turbostat20:14:591
368155899251,22cyclictest3777322-21systemd-journal22:05:003
368155899251,21cyclictest3798645-21apt-get21:05:113
368155899250,22cyclictest3945964-21cron23:30:003
368155899250,21cyclictest0-21swapper/319:30:113
368155499252,21cyclictest3814260-21apt-get21:20:102
3681554992520,3cyclictest3824377-21apt-get21:30:132
3681551992520,3cyclictest3920463-21apt-get23:05:131
368155199251,21cyclictest3717232-21apt-get19:45:131
3681558992420,2cyclictest3839516-21apt-get21:45:123
3681558992420,2cyclictest3681785-21apt-get19:10:123
368155899241,21cyclictest3890041-21apt-get22:35:123
368155899241,20cyclictest3859733-21apt-get22:05:113
368155899241,20cyclictest0-21swapper/323:35:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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