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2026-08-02 - 03:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rackbslot6.osadl.org (updated Sat Aug 01, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1925721740,4sleep02435199cyclictest14:36:250
169421700,3sleep02435199cyclictest12:38:540
1523121570,5sleep32437299cyclictest11:48:343
1068911030,4ptp4l401ktimersoftd/309:14:193
72712750,1sleep30-21swapper/312:13:233
108102650,1sleep30-21swapper/312:16:043
309282620,3sleep030930-21latency_hist10:38:210
286392620,4sleep32437299cyclictest14:45:403
277082610,2sleep00-21swapper/013:06:160
21592590,1sleep10-21swapper/112:39:391
179422590,2sleep10-21swapper/111:18:251
181312570,2sleep30-21swapper/311:18:353
24372995621,5cyclictest41-21ksoftirqd/311:29:023
24372995621,4cyclictest41-21ksoftirqd/314:23:573
24372995521,10cyclictest41-21ksoftirqd/312:38:433
24372995223,9cyclictest41-21ksoftirqd/313:38:253
24372995222,10cyclictest41-21ksoftirqd/312:58:453
24372995123,4cyclictest41-21ksoftirqd/312:53:253
24372995122,8cyclictest41-21ksoftirqd/311:08:423
24372995121,7cyclictest41-21ksoftirqd/313:23:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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