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2025-05-03 - 01:49
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack4slot2.osadl.org (updated Sat May 03, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502000,0irq/46-4a10000031404-21runrttasks18:55:350
318039912638,0cyclictest15833-21/usr/sbin/munin22:54:130
318039912230,0cyclictest30622-21cat20:28:320
318039912037,0cyclictest28573-21runrttasks21:56:060
318039912036,0cyclictest23303-21users20:04:430
318039912033,0cyclictest7655-21grep22:29:310
318039912033,0cyclictest15295-21apt-get19:43:330
318039912032,0cyclictest17658-21/usr/sbin/munin19:49:420
318039912032,0cyclictest12749-21/usr/sbin/munin19:34:300
318039912031,0cyclictest6240-21seq20:49:460
318039912031,0cyclictest27289-21runrttasks23:28:470
318039912030,0cyclictest3103-21runrttasks20:42:130
318039911942,0cyclictest0-21swapper19:27:040
318039911938,0cyclictest15334-21copy19:44:160
318039911936,0cyclictest27211-21sh20:18:300
318039911930,0cyclictest380-21grep18:59:340
318039911840,0cyclictest19273-21/usr/sbin/munin23:04:150
318039911839,0cyclictest0-21swapper21:33:550
318039911832,0cyclictest3267-21chrt19:08:090
318039911831,0cyclictest11705-21chrt19:32:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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