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2025-12-04 - 05:34
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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 rack5slot7.osadl.org (updated Thu Dec 04, 2025 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23718224020,13sleep021549-1kworker/u3:017:36:060
246009916728,54cyclictest23054-21aten_r5power_vo20:05:550
246009916512,44cyclictest13514-21apt-get22:50:410
246009916511,26cyclictest20818-21/usr/sbin/munin21:36:550
246009916217,37cyclictest9517-21users22:37:110
246009916213,46cyclictest18200-21ssh21:27:000
246009916210,67cyclictest30600-21users20:27:060
246009916116,19cyclictest10700-21apt-get21:05:470
246009915934,48cyclictest0-21swapper21:04:430
246009915915,42cyclictest5467-21df22:26:060
246009915913,61cyclictest19898-21df_inode19:56:150
24600991589,59cyclictest22246-21ssh20:02:350
246009915815,50cyclictest15513-21ssh21:19:420
246009915715,20cyclictest16687-21memory19:46:410
24600991569,45cyclictest4712-21sshd20:47:000
246009915614,60cyclictest12828-21irqstats21:11:270
246009915612,22cyclictest18435-21ssh19:51:450
246009915315,24cyclictest25555-21users20:12:100
246009915314,27cyclictest8821-21sh21:00:010
246009915311,22cyclictest18135-21ssh23:04:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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