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2026-06-29 - 16:40
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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 rackbslot6.osadl.org (updated Mon Jun 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2180422760,2sleep00-21swapper/008:55:180
1068911170,8ptp4l1395-21kworker/3:108:56:403
106891700,10ptp4l401ktimersoftd/313:31:333
190302640,2sleep00-21swapper/013:45:190
24010996011,12cyclictest23589-21ssh12:10:391
24010996010,12cyclictest15889-21wc13:40:411
244582590,4sleep32402399cyclictest13:17:353
24010995910,13cyclictest3210-21ptp4l-jitter12:55:351
267162580,2sleep10-21swapper/109:05:091
2401099589,12cyclictest7763-21cut11:55:281
24010995713,12cyclictest311-21ps13:25:361
42022560,1sleep00-21swapper/009:25:070
24010995610,13cyclictest11682-21awk10:45:381
262732550,4sleep02400599cyclictest12:45:570
2401099559,14cyclictest14236-21/usr/sbin/munin10:50:361
2401099559,12cyclictest17502-21fschecks_count12:05:271
24010995512,11cyclictest11004-21ssh13:04:451
24010995510,12cyclictest30643-21ssh14:30:011
2401099549,12cyclictest1232-21grep09:15:341
2401099548,13cyclictest11263-21sh11:25:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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