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2026-04-13 - 15:17
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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: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Mon Apr 13, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140160ksoftirqd/032326-21kworker/0:207:01:020
5799812453cyclictest14156-21sed09:27:380
14991240watchdog/010685-21aten2.4_r3power07:32:220
5799812153cyclictest23561-21missed_timers09:57:440
5799811951cyclictest21862-21cpuspeed11:37:390
5799811749cyclictest5051-21missed_timers08:57:430
5799811749cyclictest3019-21runrttasks09:40:310
5799811653cyclictest15079-21sendmail_mailst09:32:130
5799811650cyclictest15166-21df11:17:190
5799811648cyclictest31828-21chrt10:26:400
5799811554cyclictest7549-21runrttasks09:07:210
5799811552cyclictest6647-21aten2.4-expect10:47:460
5799811552cyclictest3019-21runrttasks11:46:560
5799811551cyclictest1180-21if_eth008:47:150
5799811549cyclictest4474-21nfs_client07:12:300
5799811548cyclictest3019-21runrttasks07:29:180
5799811461cyclictest12151-21df07:37:190
5799811454cyclictest4208-21munin-node10:42:220
5799811453cyclictest13768-21cpu07:42:220
5799811452cyclictest3019-21runrttasks11:36:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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