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2026-03-10 - 04:31
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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 Tue Mar 10, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
499229090,4sleep04983-21munin-run19:13:150
50869915015,125cyclictest6909-21sort00:18:170
50869914914,125cyclictest13381-21aten_r4power_vo21:18:290
50869914814,124cyclictest11746-21aten_r4power_po21:13:290
50869914718,119cyclictest3250-21snmpd23:06:330
50869914715,94cyclictest10596-21ls21:08:530
50869914715,123cyclictest2658-21sendmail_mailtr20:44:030
50869914713,124cyclictest3473-21chrt00:07:170
50869914616,120cyclictest28167-21seq23:43:340
50869914614,123cyclictest18334-21munin-node21:33:300
50869914515,119cyclictest3818-21munin-node22:28:310
50869914514,122cyclictest5180-21munin-node20:54:160
50869914514,122cyclictest28834-21unixbench_singl22:04:110
50869914415,119cyclictest17400-21sort21:29:080
50869914315,118cyclictest19767-21latency_hist23:18:170
50869914314,119cyclictest9992-21aten_r4power_en19:28:260
50869914214,118cyclictest31081-21crond23:53:150
50869914213,120cyclictest7792-21runrttasks19:19:390
50869914114,118cyclictest809-21sh23:58:430
50869914015,115cyclictest27763-21sadc22:03:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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