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2026-04-25 - 05:04
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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 25, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
567999264238cyclictest8964-21irqstats23:52:520
567999262235cyclictest20083-21latency_hist22:26:580
567999256209cyclictest2834-21snmpd23:11:220
567999252222cyclictest26012-21cpu20:36:280
567999251222cyclictest26942-21chrt20:39:000
567999248217cyclictest23647-21ssh22:41:280
567999247215cyclictest1555-21if_eth023:22:520
567999247185cyclictest9967-21ssh21:46:220
567999245223cyclictest5669-21cyclictest23:33:340
567999245217cyclictest2953-21runrttasks19:31:520
567999244217cyclictest14625-21awk00:17:190
567999244216cyclictest8063-21ssh21:38:020
567999243214cyclictest32751-21diskmemload22:30:390
567999242216cyclictest2719-21apt21:16:270
567999242215cyclictest3002-21latency23:28:100
567999242212cyclictest29443-21ps23:03:390
567999242171cyclictest32538-21date23:17:090
567999241215cyclictest16003-21ssh00:22:390
567999241210cyclictest6679-21tune2fs21:32:280
567999241208cyclictest12649-21ssh00:08:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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