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2026-04-22 - 03:37
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot3.osadl.org (updated Wed Apr 22, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
235659915514,75cyclictest6029-21aten_r4power_en23:22:560
6142211814,91sleep06169-21fw_packets20:03:060
22859211414,87sleep022863-21open_files00:13:300
188721130,4sleep01888-21wc21:28:400
18848210214,75sleep018857-21latency_hist00:02:440
235659910115,76cyclictest21116-21ntpdc22:28:240
13812210113,16sleep013817-21sadc20:27:430
23565999914,75cyclictest14603-21munin-node20:28:280
2202029915,19sleep022101-21df19:12:550
297029814,15sleep02971-21iostat_ios19:53:120
1672229714,15sleep016723-21sshd20:34:580
360529614,16sleep03148-40yum-updatesd-he23:13:390
3019429614,15sleep030238-21munin-node21:17:580
23565999615,44cyclictest3568-21runrttasks21:00:270
23565999614,73cyclictest3568-21runrttasks23:18:500
23565999614,73cyclictest3568-21runrttasks23:08:060
23565999614,72cyclictest25682-21munin-node22:43:060
924129513,15sleep09295-21aten_r4power_po23:32:560
23565999514,72cyclictest4705-21iostat21:38:090
788029414,16sleep07881-21iostat_ios20:08:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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