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2026-03-15 - 10:04
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot3.osadl.org (updated Sun Mar 15, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114542357136sleep11451-21grep19:07:360
1145799262232cyclictest11531-21ssh23:40:430
1145799261236cyclictest28883-21kernelversion22:39:160
1145799259230cyclictest28372-21sh22:37:360
1145799255196cyclictest2473-21if_eth023:03:570
1145799254226cyclictest10060-21ntpq23:34:410
1145799254198cyclictest21790-21latency_hist00:23:180
1145799254163cyclictest4337-21if_eth020:58:280
114579925346cyclictest7861-21ssh23:25:440
1145799252228cyclictest23359-21munin-run22:17:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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