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2026-04-10 - 06:28
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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 Fri Apr 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2483821650,5sleep12052799cyclictest01:45:431
1921021260,7sleep2311rcuc/220:10:552
106891990,3ptp4l401ktimersoftd/320:14:573
20538997460,6cyclictest41-21ksoftirqd/323:20:533
106891720,1ptp4l401ktimersoftd/300:24:443
106891710,1ptp4l401ktimersoftd/323:33:153
106891660,1ptp4l401ktimersoftd/300:49:543
106891640,1ptp4l401ktimersoftd/322:24:143
231692630,3sleep341-21ksoftirqd/321:25:533
201782634,10sleep00-21swapper/020:12:350
2053499611,23cyclictest7561-21ssh23:14:372
20538995947,6cyclictest41-21ksoftirqd/300:05:533
106891590,1ptp4l401ktimersoftd/323:57:453
106891590,1ptp4l401ktimersoftd/323:06:113
19472570,4sleep11949-21cut20:40:551
106891550,1ptp4l401ktimersoftd/300:27:513
2052799548,5cyclictest25-21ksoftirqd/121:11:071
105192540,2sleep10-21swapper/123:50:571
106891530,1ptp4l401ktimersoftd/301:00:023
286712520,2sleep20-21swapper/200:41:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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