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2023-10-04 - 09:02
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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 Oct 04, 2023 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
202199914615,120cyclictest27577-21munin-node01:13:080
202199914415,64cyclictest32683-21timerandwakeup23:48:270
202199914415,120cyclictest7828-21idleruntime22:32:550
202199914415,119cyclictest5897-21cpu20:47:440
202199914414,42cyclictest3549-21runrttasks00:31:540
202199914314,40cyclictest7897-21munin-node20:53:130
202199914216,54cyclictest4225-21munin-node22:22:540
202199914215,63cyclictest4518-21munin-node00:02:470
202199914215,55cyclictest23490-21aten_r4power_cu20:02:380
202199914017,113cyclictest24159-21munin-node01:02:590
202199914014,63cyclictest3549-21runrttasks21:22:270
202199914014,60cyclictest28959-21fschecks_time01:17:560
202199913915,64cyclictest20910-21missed_timers21:33:090
202199913814,58cyclictest1346-21runrttasks23:52:560
202199913714,61cyclictest3549-21runrttasks22:10:130
202199913714,60cyclictest28882-21seq20:18:070
202199913615,57cyclictest14289-21iostat_ios21:13:010
202199913615,55cyclictest12341-21munin-node22:48:120
202199913514,64cyclictest22074-21munin-node23:18:210
202199913514,60cyclictest19348-21ntp_kernel_pll_21:28:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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