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2026-05-10 - 16:31
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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 Sun May 10, 2026 12:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17896275221sleep17897-21uptime07:05:510
1828199265219cyclictest18217-21munin-run09:30:030
1828199251224cyclictest27938-21df_inode10:10:500
1828199251191cyclictest855-21latency_hist08:15:100
1828199250218cyclictest26744-21load12:26:450
1828199249221cyclictest29150-21ntpq12:37:160
1828199248220cyclictest2827-21sendmail-mta10:55:180
1828199248220cyclictest19422-21munin-node0
1828199247223cyclictest28561-21latency_hist12:35:270
1828199247218cyclictest2365-21rs:main0
1828199247187cyclictest22275-21if_eth009:46:260
1828199246223cyclictest26572-21cpu10:05:060
1828199245220cyclictest16545-21ssh11:41:500
1828199245218cyclictest15521-21munin-node0
1828199245217cyclictest9855-21sshd08:52:190
1828199245217cyclictest29577-21memory10:17:170
1828199244219cyclictest2719-21lxpanel10:31:470
1828199244216cyclictest7244-21ssh11:01:100
1828199244179cyclictest31961-21ntp_states10:27:310
1828199243209cyclictest25443-21munin-node0
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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