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2025-11-07 - 22:25
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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 Fri Nov 07, 2025 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2063099253228cyclictest10691-21ntp_offset08:43:110
2063099253189cyclictest7317-21perl10:53:050
2063099250187cyclictest27210-21ssh12:22:370
2063099250186cyclictest25206-21irqstats09:48:270
2063099247223cyclictest6534-21runrttasks08:25:120
2063099244212cyclictest6684-21munin-node0
2063099243219cyclictest14935-21sh11:27:370
2063099243215cyclictest21760-21grep11:57:530
2063099241216cyclictest29776-21runrttasks07:46:440
2063099241213cyclictest31625-21grep10:17:390
2063099241174cyclictest15455-21ntp_states11:29:230
2063099240214cyclictest8780-21sh10:59:050
2063099240212cyclictest19634-21ssh11:48:110
2063099239215cyclictest18098-21sh09:17:010
2063099239211cyclictest27627-21chrt12:23:450
2063099238213cyclictest2872-21snmpd09:07:470
2063099238212cyclictest17013-21apt09:12:060
2063099238205cyclictest19251-21munin-node0
2063099238187cyclictest9801-21timerandwakeup08:39:000
2063099238175cyclictest11393-21munin-run11:11:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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