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2026-05-14 - 22:49
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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 Thu May 14, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501610,0irq/46-4a10000010492-21/usr/sbin/munin06:59:380
118909913353,0cyclictest0-21swapper09:49:450
11890999258,0cyclictest0-21swapper08:54:580
11890999256,0cyclictest0-21swapper11:39:240
11890999159,0cyclictest0-21swapper08:25:220
11890999157,0cyclictest0-21swapper11:54:460
459629016,0sleep04629-21grep08:15:000
11890999068,0cyclictest0-21swapper10:10:060
11890999059,0cyclictest0-21swapper07:24:590
11890999058,0cyclictest0-21swapper08:50:080
11890999058,0cyclictest0-21swapper07:45:130
11890999056,0cyclictest0-21swapper11:05:160
11890998967,0cyclictest0-21swapper10:29:520
11890998958,0cyclictest0-21swapper07:14:430
11890998957,0cyclictest0-21swapper12:00:180
11890998956,0cyclictest0-21swapper11:24:550
11890998956,0cyclictest0-21swapper08:35:230
11890998857,0cyclictest0-21swapper09:30:210
11890998856,0cyclictest0-21swapper12:24:360
11890998856,0cyclictest0-21swapper08:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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