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2026-05-04 - 21:27
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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 May 04, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74501960,0irq/46-4a10000013100-21runrttasks07:03:180
133249913143,0cyclictest23212-21/usr/sbin/munin12:15:240
133249912638,0cyclictest0-21swapper08:21:010
133249912538,0cyclictest0-21swapper10:40:510
133249912445,0cyclictest7350irq/45-4a10000011:55:450
133249912344,0cyclictest24933-21/usr/sbin/munin12:20:280
133249912340,0cyclictest0-21swapper09:10:120
133249912337,0cyclictest0-21swapper11:33:450
133249912326,0cyclictest24158-21munin-run07:34:470
133249912240,0cyclictest0-21swapper09:30:400
133249912239,0cyclictest0-21swapper10:50:030
133249912238,0cyclictest19936-21/usr/sbin/munin07:20:380
133249912235,0cyclictest0-21swapper08:19:280
133249912141,0cyclictest0-21swapper10:45:400
133249912056,0cyclictest0-21swapper12:12:130
133249912043,0cyclictest0-21swapper10:01:190
133249912041,0cyclictest0-21swapper07:40:300
133249912040,0cyclictest0-21swapper10:31:160
133249912040,0cyclictest0-21swapper09:35:540
133249912039,0cyclictest0-21swapper12:33:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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