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2026-05-26 - 06:37
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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 rack4slot2.osadl.org (updated Tue May 26, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745011210,0irq/46-4a1000007033-1kworker/u3:219:03:370
73099911085,0cyclictest17315-21/usr/sbin/munin19:30:030
73099910975,0cyclictest16149-21runrttasks21:01:470
73099910973,0cyclictest27106-21df_inode19:59:160
73099910883,0cyclictest16992-21fw_conntrack21:04:250
73099910785,0cyclictest3596-21ntpq23:34:420
73099910783,0cyclictest26685-21modprobe23:08:550
73099910778,0cyclictest17654-21runrttasks00:14:540
73099910774,0cyclictest12210-21awk19:15:040
73099910686,0cyclictest26277-21sendmail-mta19:55:440
73099910684,0cyclictest18559-21df_inode22:44:150
73099910586,0cyclictest19237-21runrttasks00:19:520
73099910586,0cyclictest10566-21/usr/sbin/munin23:54:490
73099910585,0cyclictest24795-21sshd23:02:330
73099910585,0cyclictest17304-21/usr/sbin/munin22:39:450
73099910583,0cyclictest31936-21/usr/sbin/munin23:24:400
73099910581,0cyclictest2745-21modprobe23:33:550
73099910581,0cyclictest18710-21perl19:34:220
73099910575,0cyclictest19991-21/usr/sbin/munin00:24:040
73099910573,0cyclictest13369-21runrttasks19:19:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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