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2026-06-17 - 05:14
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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 Wed Jun 17, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
75582202522sleep7561-21unixbench_singl19:04:440
796399267241cyclictest17106-21latency_hist00:29:420
796399264219cyclictest28943-21ls20:39:380
796399263240cyclictest38062sleep21:11:050
796399260229cyclictest5509-21cron23:38:470
796399258231cyclictest13840-21fschecks_time00:14:590
796399257227cyclictest13485-21munin-node0
79639925649cyclictest28760-21ssh22:58:390
796399255227cyclictest12582-21munin-node0
796399254229cyclictest2827-21sendmail-mta00:06:400
796399253229cyclictest15967-21latency_hist19:44:020
796399253224cyclictest2081-21sh23:24:050
796399253223cyclictest25979-21wc22:45:430
796399252226cyclictest27901-21latency_hist22:54:380
796399251224cyclictest31584-21ssh23:10:290
796399251223cyclictest24696-21ssh22:40:220
796399251184cyclictest8246-21perl19:09:300
796399250224cyclictest14500-21sshd21:56:200
79639924969cyclictest9638-21memory21:35:530
796399249223cyclictest3767-21netwatch23:30:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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