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2025-12-08 - 16:29
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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 Mon Dec 08, 2025 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309292295418sleep30927-21iwlist19:01:280
3180099258233cyclictest30722-21ssh23:39:370
3180099258230cyclictest6943-21ntp_states19:37:280
3180099255228cyclictest11316-21cron22:16:020
3180099253225cyclictest13311-21modprobe20:06:180
3180099252227cyclictest2720-21lxpanel23:24:440
3180099252195cyclictest6328-21sendmail19:36:040
3180099250202cyclictest28753-21irqstats21:12:390
3180099247221cyclictest8460-21ntp_states00:23:420
3180099244217cyclictest8965-21cron22:06:560
3180099244217cyclictest5624-21latency_hist00:11:400
3180099244214cyclictest10086-21df00:31:380
3180099244213cyclictest507-21munin-run21:31:100
3180099244183cyclictest6346-21ssh21:54:370
3180099244179cyclictest3368-21fschecks_time21:42:120
3180099243177cyclictest6870-21ifplugd21:04:050
3180099241212cyclictest27966-21runrttasks23:27:290
3180099241176cyclictest7726-21netwatch22:00:440
3180099240217cyclictest18465-21diskmemload22:46:320
3180099240216cyclictest24305-21find20:52:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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