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2026-04-18 - 12:12
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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 Sat Apr 18, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11185211116,75sleep011223-21ntp_kernel_pll_19:12:460
84542960,4sleep08452-21cat22:23:090
12248999635,50cyclictest30297-21munin-node23:33:020
12248999615,71cyclictest8201-21munin-node00:02:520
12248999614,73cyclictest32177-21sshd23:37:390
12248999614,72cyclictest9794-21munin-node20:48:020
12248999543,44cyclictest28921-21fschecks_time21:47:390
1224899943,81cyclictest19553-21ntp_kernel_pll_22:57:560
12248999414,70cyclictest12515-21latency_hist00:17:200
12248999314,70cyclictest31824-21munin-node21:58:060
12248999314,70cyclictest21432-21sendmail_mailqu00:43:060
12248999313,44cyclictest16395-21proc_pri22:48:030
1224899924,78cyclictest1062-21aten_r4power_po22:02:290
12248999230,52cyclictest22617-21iostat_ios23:07:470
12248999215,68cyclictest26489-21seq23:18:350
12248999215,67cyclictest19653-21munin-node00:37:570
12248999115,67cyclictest28845-21idleruntime20:07:420
12248999115,67cyclictest19489-21chrt21:17:560
12248999115,39cyclictest6703-21seq23:57:590
12248999114,68cyclictest18753-21munin-node19:37:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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