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2026-03-28 - 11:52
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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 Sat Mar 28, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180759915214,128cyclictest1833-21sa121:45:070
180759915214,128cyclictest10049-21seq23:49:440
180759915115,125cyclictest20201-21munin-node19:20:400
180759914814,40cyclictest30738-21seq19:53:250
180759914713,42cyclictest13419-21latency_hist00:00:090
180759914615,120cyclictest29724-21munin-node21:30:240
180759914614,122cyclictest23054-21wget21:10:170
180759914515,120cyclictest24984-21sh00:35:230
180759914414,120cyclictest5352-21munin-node23:35:480
180759914414,120cyclictest21906-21munin-node22:45:320
180759914414,120cyclictest16940-21fschecks_count00:10:300
180759914414,119cyclictest26354-21munin-node23:00:200
180759914313,41cyclictest20137-21df_abs00:20:220
180759914313,120cyclictest32151-21cat23:16:040
180759914115,47cyclictest29622-21wget23:10:200
180759914115,116cyclictest21774-21ls21:05:330
180759914114,118cyclictest10759-21proc_pri20:30:540
180759914114,117cyclictest25145-21munin-node21:15:420
180759914114,116cyclictest28173-21munin-node23:05:240
180759914015,35cyclictest11716-21seq23:55:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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