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2025-11-21 - 06:06
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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 20 highest latencies:
System rack3slot2.osadl.org (updated Fri Nov 21, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320022223160,2sleep03200221-21awk19:05:260
329510222800,3chrt3295042-21ssh00:07:030
326236622710,3chrt3262348-21ntpq22:31:000
324252822620,3sleep03242530-21timerandwakeup21:32:000
324855822590,2sleep03248561-21sshd21:50:310
330176122460,3sleep03301759-21switchtime00:26:530
327764722450,4chrt3277648-21gcc23:16:010
323647522440,3sleep03236478-21wc21:15:110
327442222390,3chrt3274421-21ssh23:06:350
321841522390,3chrt3218410-21ntpq20:10:410
325396722340,2sleep03253968-21sh22:06:160
326184022180,2sleep03261841-21cat22:30:090
320119699218147,22cyclictest3240097-21/usr/sbin/munin21:25:290
328601822160,4chrt3286019-21sh23:40:390
329079822050,2sleep03290801-21latency_hist23:55:120
328781022030,3sleep03287812-21ntp_kernel_err23:45:500
327563122020,2sleep03275629-21entropy23:10:270
324711121900,2sleep03247112-21ssh21:45:580
325331021890,3sleep03253311-21sh22:05:000
320264121890,2sleep03202642-21ls19:15:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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