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2026-09-04 - 08:58
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Fri Sep 04, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502060,0irq/46-4a10000027474-21/usr/sbin/munin19:05:410
96522930,0sleep07116-1kworker/u3:219:50:270
295322920,0sleep028710-1kworker/u3:020:49:150
164632910,0sleep014288-1kworker/u3:023:20:230
7450890,0irq/46-4a1000007459-21seq21:20:000
97342880,0sleep09066-1kworker/u3:221:25:320
7450880,0irq/46-4a1000002768-21df_abs00:15:170
199782880,0chrt19218-1kworker/u3:221:55:300
143962880,0chrt12239-1kworker/u3:220:05:090
7450870,0irq/46-4a10000032438-21timerwakeupswit20:55:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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