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2026-07-29 - 10:06
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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 Jul 29, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
211949912130,81cyclictest15516-21seq22:28:320
211949911133,69cyclictest31142-21munin-node19:58:090
211949910832,67cyclictest24131-21munin-node00:33:560
211949910828,70cyclictest24206-21chrt22:55:150
211949910827,71cyclictest18225-21munin-node22:38:070
211949910826,72cyclictest10211-21munin-node23:53:080
211949910731,66cyclictest17063-21iostat_ios00:13:240
211949910724,73cyclictest30927-21latency_hist21:37:550
211949910631,66cyclictest14068-21munin-node00:03:430
211949910525,71cyclictest16706-21sh22:33:120
211949910429,66cyclictest22012-21munin-node00:28:270
211949910329,42cyclictest32582-21aten_r4power_cu20:03:070
211949910325,68cyclictest16885-21runrttasks20:53:260
211949910321,72cyclictest13749-21kernelversion22:23:260
211949910320,73cyclictest6779-21aten_r4power_po20:23:060
211949910227,65cyclictest2851-21threads23:28:520
211949910223,69cyclictest20465-21netstat00:23:350
211949910222,69cyclictest15031-21munin-node20:48:140
211949910137,54cyclictest4020-21munin-node21:53:260
211949910137,54cyclictest26077-21munin-node19:43:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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