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2026-09-09 - 13:04
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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 10 highest latencies:
System rack4slot3.osadl.org (updated Wed Sep 09, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
542027350,5sleep05421-21grep19:27:430
65279910614,53cyclictest8790-21ntp_kernel_pll_19:37:550
65279910015,75cyclictest5110-21aten_r4power_vo21:07:300
652799979,79cyclictest15542-21netstat00:57:570
6527999714,74cyclictest27040-21timerwakeupswit22:13:110
6527999610,76cyclictest30974-21munin-node22:28:160
6527999610,76cyclictest13581-21fschecks_count00:52:360
6527999610,76cyclictest10179-21if_eth019:42:400
652799959,77cyclictest3568-21runrttasks00:01:030
6527999514,72cyclictest24992-21latency22:07:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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