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2025-05-03 - 01:19
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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 May 02, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
247073099267236,19cyclictest2474922-21kworker/u2:107:36:270
249216622650,3sleep02492167-21ld08:25:460
254909922520,2sleep02549100-21systemctl11:25:030
252729222480,2sleep02527293-21rm10:18:380
256788822440,2sleep02567889-21/usr/sbin/munin12:20:350
256081522440,2sleep02560812-21munin-run12:00:060
249352922430,3chrt2493526-21ntpq08:30:400
251280122410,4chrt2512704-21/usr/sbin/munin09:35:200
252446222390,3chrt2524389-21/usr/sbin/munin10:10:150
252795422260,4chrt2527956-21grep10:20:340
253466222150,2sleep02534666-21wc10:40:410
255163622060,3sleep02551637-21run-parts11:31:510
254193522060,3sleep02541936-21sh11:02:090
256290722020,2sleep02562909-21ls12:05:380
257080222000,2sleep02570804-21munin-run12:30:000
247630821930,2sleep02476307-21true07:30:030
247073099192161,19cyclictest2525663-21kworker/u2:210:55:300
250086021870,3sleep02500862-21timerandwakeup08:56:230
248002521840,3sleep02480027-21sed07:41:190
247073099183150,22cyclictest2517617-21true09:50:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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