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2025-11-16 - 19:36
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Sun Nov 16, 2025 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87197222710,3chrt871970-21irqstats08:10:260
92803622610,2sleep0928037-21/usr/sbin/munin11:05:540
95921222590,2sleep0959215-21sort12:37:010
93667422460,4chrt936671-21ntpq11:31:220
90589222430,3sleep0905895-21sed10:00:410
86770522310,4chrt867704-21/usr/sbin/munin07:55:230
90942422280,3chrt909422-21ld10:11:090
92433222220,2sleep022-21kcompactd010:55:250
90140822220,2sleep0901410-21timerwakeupswit09:47:000
95581922170,3sleep0955822-21sed12:27:040
89629822130,2sleep0896301-21sort09:32:000
85486599206177,18cyclictest910197-21kworker/u2:110:40:050
94836022050,2sleep0948361-21sh12:05:380
93397022050,2sleep0933971-21rm11:23:280
91991822030,2sleep0919916-21sensors_temp10:41:410
89773622020,2sleep0897737-21collect209:36:450
91439622010,2sleep0914397-21ssh10:25:420
87866322010,2sleep0878665-21grep08:35:060
85486599201166,23cyclictest863742-21time-dir07:40:420
85486599199172,17cyclictest854873-21kworker/u2:007:39:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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