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2026-05-28 - 21:43
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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 Thu May 28, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
274552199921sleep27454-21ntpq07:05:010
2812599263208cyclictest16250-21fschecks_time11:00:430
2812599257230cyclictest8138-21diskmemload10:25:060
2812599256223cyclictest17589-21munin-run08:44:210
2812599255227cyclictest23317-21diskmemload11:40:580
2812599254226cyclictest2935-21runrttasks12:21:540
2812599254221cyclictest19277-21runrttasks11:14:350
2812599253225cyclictest14037-21ssh10:50:520
2812599253221cyclictest21021-21ssh11:21:470
2812599252224cyclictest29412-21munin-node0
2812599252223cyclictest21995-21munin-node0
2812599251220cyclictest17652-21ssh11:06:360
2812599250222cyclictest3741-21ssh12:29:020
2812599250215cyclictest8563-21df08:04:480
2812599249221cyclictest421-21df_inode07:29:570
2812599249220cyclictest28717-21ssh09:32:410
2812599249216cyclictest6313-21sort07:54:580
2812599249215cyclictest9807-21ntp_states10:31:540
281259924854cyclictest6043-21cron12:39:200
2812599248223cyclictest20448-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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