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2026-04-12 - 01:18
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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 Sat Apr 11, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
100402239125sleep10039-21ntp_kernel_pll_07:02:130
1075499268106cyclictest26320-21sshd08:13:310
1075499266239cyclictest4813-21ssh11:08:330
107549926485cyclictest17244-21latency_hist09:52:200
107549926185cyclictest30214-21latency_hist10:42:210
1075499261237cyclictest13214-21sendmail09:36:430
1075499261230cyclictest29596-21munin-node0
1075499260234cyclictest2969-21ssh11:01:560
1075499259234cyclictest5569-21munin-run09:06:500
1075499259233cyclictest7279-21runrttasks09:13:060
1075499259233cyclictest6476-21ssh09:09:450
1075499259104cyclictest9662-21fschecks_count09:22:490
1075499256231cyclictest25263-21ssh12:28:150
1075499255229cyclictest9544-21cat09:22:300
1075499255229cyclictest13811-21munin-node0
1075499254229cyclictest3906-21grep08:58:000
1075499254101cyclictest13246-21munin-node0
107549925393cyclictest19542-21runrttasks07:43:320
1075499253225cyclictest11257-21ssh09:28:430
1075499253111cyclictest12494-21zcat07:13:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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