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2025-11-29 - 09:03
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack3slot2.osadl.org (updated Fri Nov 28, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302281222840,3sleep03022813-21ssh12:38:540
292829422540,4chrt2928247-31find07:38:590
292909222490,3chrt2929087-21ntp_states07:41:100
293070422440,3chrt2930703-21/usr/sbin/munin07:46:190
300201722430,3chrt3001673-21/usr/sbin/munin11:35:380
295099522430,3chrt2950993-21diskstats09:00:200
298112322410,3chrt2981121-21grep10:31:520
298235622400,3chrt2982353-21ntpq10:35:510
297265822400,3chrt2972652-21ntpq10:06:390
299509722390,3chrt2995098-21latency_hist11:15:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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