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2026-04-24 - 12:32
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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 Fri Apr 24, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
968211217,21sleep01000-21wc19:13:350
15307210014,27sleep014990-21munin-node23:18:200
1744999925,64cyclictest1260-21chrt00:13:490
1744999826,62cyclictest24653-21latency_hist23:47:570
1744999824,64cyclictest1796-21aten_r4power_en19:18:060
1744999815,73cyclictest15374-21munin-node19:58:320
1744999726,63cyclictest7708-21cat21:13:510
1744999724,63cyclictest3721-21munin-node00:23:190
1744999724,36cyclictest3979-21runrttasks22:43:200
1744999716,71cyclictest22291-21munin-node23:38:490
1744999626,61cyclictest10781-21switchtime19:43:470
1744999625,62cyclictest28569-21ntp_kernel_pll_23:58:360
1744999614,73cyclictest11816-21runrttasks21:28:090
2049329515,17sleep020491-21ntp_states23:33:390
1828429513,22sleep018226-21munin-node23:28:080
1744999521,65cyclictest13752-21latency21:33:290
1744999515,71cyclictest17912-21chrt21:46:590
1744999514,71cyclictest29725-21munin-node22:23:180
555429415,16sleep05557-21diskstats00:28:140
1744999418,66cyclictest80702sleep022:55:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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