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2025-07-16 - 00:28
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Tue Jul 15, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20363214546,65sleep00-21swapper/007:10:000
204319914263,39cyclictest28597-21diskstats07:40:240
204319913771,23cyclictest8117-21df_inode10:35:200
204319913765,20cyclictest4277-21ntp_states08:11:120
204319913761,38cyclictest18854-21wget09:10:160
204319913661,21cyclictest21930-21seq11:30:040
204319913565,50cyclictest29664-21aten_r7power_cu07:45:140
204319913562,53cyclictest4332-21/usr/sbin/munin12:25:500
204319913561,35cyclictest6888-21diskstats10:30:240
204319913460,34cyclictest760-21systemd-journal07:20:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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