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2026-05-13 - 20:14
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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 Wed May 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106891950,34ptp4l401ktimersoftd/308:30:353
241512890,2sleep10-21swapper/113:12:311
6631997314,26cyclictest16025-21sh11:56:472
6631997014,27cyclictest18288-21sh11:24:462
6631997014,25cyclictest2731-21sh12:16:062
663199630,3cyclictest32177-21diskmemload13:51:312
6631996213,20cyclictest9724-21sh12:57:362
63042624,10sleep20-21swapper/208:31:242
64332594,10sleep10-21swapper/108:33:041
45482590,2sleep04551-21wc12:19:140
6631995711,22cyclictest31937-21sh11:05:472
663199552,42cyclictest27693-21apt-get12:09:262
6631994812,21cyclictest11280-21sh13:32:542
664099471,16cyclictest24447-21/usr/sbin/munin12:04:413
664099470,13cyclictest18047-21sed08:54:303
6631994712,21cyclictest3359-21sh10:36:582
6631994611,20cyclictest28000-21sh13:15:462
6631994611,20cyclictest28000-21sh13:15:462
644724628,8sleep00-21swapper/008:33:150
663199451,4cyclictest32177-21diskmemload13:42:362
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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