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2025-10-16 - 08:18
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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 Thu Oct 16, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
965728290,5sleep09656-21munin-node19:08:260
104069915114,127cyclictest15584-21fschecks_time19:28:070
104069915114,126cyclictest30704-21smart_hda20:13:360
104069914814,123cyclictest24641-21grep23:18:060
104069914714,123cyclictest9924-21munin-node00:12:580
104069914515,120cyclictest18148-21munin-node21:18:140
104069914515,120cyclictest14136-21kernelversion19:23:190
104069914514,121cyclictest12259-21sendmail_mailst00:18:350
104069914416,118cyclictest3217-21snmpd19:33:250
104069914415,119cyclictest20768-21sshd21:26:580
104069914415,119cyclictest15254-21munin-node21:08:300
104069914414,120cyclictest27704-21cpu23:28:000
104069914414,120cyclictest14894-21sshd00:28:020
104069914315,91cyclictest4559-21munin-node20:33:200
104069914218,113cyclictest3217-21snmpd19:18:110
104069914215,118cyclictest3533-21runrttasks00:36:540
104069914215,117cyclictest3533-21runrttasks00:10:250
104069914215,116cyclictest13489-21if_err_eth000:23:110
104069914214,119cyclictest28387-21timerwakeupswit21:48:400
104069914214,119cyclictest19479-21latency_hist00:42:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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