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2026-07-22 - 17:25
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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 Wed Jul 22, 2026 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1897799284258cyclictest19528-21idleruntime-cro11:52:440
1897799259113cyclictest17377-21ssh11:43:130
1897799257107cyclictest28078-21/usr/sbin/munin10:08:100
1897799256126cyclictest15161-21df_inode11:33:300
189779925586cyclictest13131-21perl11:24:030
1897799255125cyclictest18460-21cpu11:48:010
1897799255105cyclictest14202-21munin-node0
1897799254228cyclictest24641-21cat12:14:340
1897799254124cyclictest10565-21sh11:13:070
1897799253125cyclictest27740-21grep12:28:490
1897799253124cyclictest5024-21latency_hist08:27:550
1897799252119cyclictest18479-21sh09:25:230
189779925195cyclictest2980-21gmain12:04:050
1897799251124cyclictest27961-21chrt07:45:320
1897799251124cyclictest24459-21ssh09:51:250
1897799251124cyclictest10181-21sshd08:49:090
1897799250114cyclictest11490-21mailstats08:54:410
1897799249121cyclictest3526-21netwatch10:41:510
1897799249121cyclictest24204-21df12:13:190
1897799249117cyclictest5360-21ssh10:49:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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