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2026-09-02 - 06:03
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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 Sep 02, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39342124115sleep3935-21sleep19:02:030
471199260232cyclictest7302-21rm00:03:200
471199257231cyclictest29034-21munin-node0
471199256228cyclictest23346-21ssh22:51:130
471199255224cyclictest2218-21cpu23:41:460
471199255223cyclictest7368-1kworker/0:2H23:58:260
471199253221cyclictest5452-21cron21:31:300
471199253219cyclictest9920-21ssh00:15:310
47119925252cyclictest15549-21chrt22:16:350
47119925249cyclictest2869-21snmpd20:14:230
471199252228cyclictest3229-21netwatch21:21:390
471199252218cyclictest18380-21memory22:28:320
471199251226cyclictest2935-21runrttasks19:53:450
471199251223cyclictest10845-21ssh21:55:010
471199251222cyclictest1919-21rpc.gssd19:07:480
471199251221cyclictest28340-21sendmail_mailtr20:48:340
471199251221cyclictest24755-21ssh22:57:270
471199251218cyclictest5964-21irqstats21:33:120
471199250222cyclictest32152-21diskmemload21:25:140
471199250189cyclictest1476-21memory21:13:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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