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2026-06-10 - 21:14
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rackeslot2.osadl.org (updated Wed Jun 10, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34072412300,2sleep30-21swapper/311:26:083
3053047992717,6cyclictest3249173-21kthreadcore09:40:290
3053047992615,6cyclictest0-21swapper/010:00:010
305304799244,12cyclictest660-21dbus-daemon08:30:020
3053049992320,1cyclictest0-21swapper/210:00:012
3053048992320,2cyclictest3399021-21missed_timers11:20:311
3053048992320,2cyclictest3399021-21missed_timers11:20:311
3053048992219,2cyclictest3153125-21runrttasks08:30:021
305304799221,1cyclictest3335330-21apt-get10:40:210
3053049992118,1cyclictest0-21swapper/207:15:022
3053048992118,2cyclictest3116427-21apt-key08:00:011
3053048992118,2cyclictest3092049-21idleruntime-cro07:40:011
3053048992118,2cyclictest3059391-21proc_pri07:15:021
3053048992114,3cyclictest3320776-21aten_repower_vo10:30:231
3053048992112,2cyclictest67250irq/126-eno111:05:051
3053047992117,2cyclictest0-21swapper/012:30:010
492398200,7rtkit-daemon1237-21mta-sts-daemon08:55:380
3053049992017,1cyclictest0-21swapper/209:40:012
305304799209,6cyclictest0-21swapper/011:55:240
3053047992017,2cyclictest3053045-21cyclictest11:10:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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