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2026-06-01 - 10:43
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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 Mon Jun 01, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502700,0irq/46-4a1000001534-1kworker/u3:219:00:370
25689910877,0cyclictest14569-21awk21:09:430
25689910788,0cyclictest32646-21/usr/sbin/munin22:04:060
25689910688,0cyclictest11041-21threads19:24:370
25689910677,0cyclictest5314-21/usr/sbin/munin20:44:070
25689910676,0cyclictest29369-21fw_conntrack21:54:140
25689910582,0cyclictest15923-21/usr/sbin/munin19:39:280
25689910481,0cyclictest17962-21/usr/sbin/munin21:19:370
25689910472,0cyclictest484-21runrttasks21:44:300
25689910384,0cyclictest5861-21/usr/sbin/munin22:19:340
25689910384,0cyclictest15883-21/usr/sbin/munin22:49:270
25689910383,0cyclictest24317-21/usr/sbin/munin23:14:170
25689910382,0cyclictest444-21load20:29:180
25689910382,0cyclictest10229-21/usr/sbin/munin00:09:460
25689910380,0cyclictest24392-21meminfo21:39:220
25689910380,0cyclictest18712-21/usr/sbin/munin19:48:520
25689910377,0cyclictest12479-1kworker/u3:121:05:170
25689910371,0cyclictest10210-21aten_r4power_vo20:58:540
25689910283,0cyclictest3289-21/usr/sbin/munin20:39:240
25689910282,0cyclictest18836-21/usr/sbin/munin21:23:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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