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2026-07-05 - 17:40
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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 rack7slot3.osadl.org (updated Sun Jul 05, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27876243020sleep27877-21sleep07:07:500
2798399263236cyclictest18725-21diskmemload11:08:090
2798399262231cyclictest2648-21sendmail09:58:160
2798399260231cyclictest28963-21/usr/sbin/munin11:53:410
2798399257232cyclictest32453-21modprobe12:08:320
2798399257229cyclictest9172-21users08:05:250
2798399256231cyclictest2869-21snmpd09:59:330
2798399256226cyclictest7030-21sshd07:57:300
2798399256196cyclictest11521-21netwatch10:35:360
2798399255227cyclictest3582-1kworker/0:1H09:33:410
2798399255227cyclictest10710-21df08:13:410
2798399254222cyclictest30406-21ssh09:38:410
279839925386cyclictest13596-21kernelversion10:44:580
2798399253230cyclictest26312-21ssh11:40:430
2798399253226cyclictest32723-21fschecks_time12:09:220
2798399252227cyclictest24718-21fschecks_count09:14:220
2798399252221cyclictest6459-21ssh10:14:020
2798399251226cyclictest3468-21ssh12:23:290
2798399251225cyclictest31672-21cut07:23:550
2798399251223cyclictest16790-21grep10:59:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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