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2026-09-04 - 12:21
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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 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
7450870,0irq/46-4a10000031586-21wget22:30:130
7450870,0irq/46-4a10000021257-21aten_r4power_cu22:00:070
7450870,0irq/46-4a10000011201-21df_abs21:30:210
7350870,0irq/45-4a1000009404-21aten_r4power_po00:35:110
122072870,0sleep026440-1kworker/u3:019:57:310
78432860,0sleep07116-1kworker/u3:219:45:200
7450860,0irq/46-4a1000007578-21sed00:30:010
7450860,0irq/46-4a1000005754-21grep21:15:000
7450860,0irq/46-4a10000023788-21ps23:40:500
7450860,0irq/46-4a1000001336-21meminfo22:35:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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