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2025-07-12 - 08:31
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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 rack0slot1.osadl.org (updated Sat Jul 12, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
156289915374,40cyclictest3730-21watchprog-ntop19:47:462
1014921530,3sleep61563799cyclictest19:39:136
156289915169,21cyclictest31430-21Poller-Thread-121:31:302
156289915169,21cyclictest31430-21Poller-Thread-121:31:302
1207321500,2sleep41563099cyclictest00:20:204
2843121450,1sleep668-21rcuc/622:37:186
774721400,2sleep31562999cyclictest22:08:063
156329913967,57cyclictest16165-21chk_conn_tcp23:14:085
118621390,2sleep31562999cyclictest22:50:053
2667621380,0sleep60-21swapper/620:42:036
329421370,2sleep21562899cyclictest20:18:032
2940121370,2sleep31562999cyclictest21:09:243
762021340,2sleep31562999cyclictest22:19:283
825721310,0sleep20-21swapper/219:24:192
398221310,0sleep10-21swapper/122:50:591
1394921290,2sleep31562999cyclictest21:03:563
592721270,1sleep668-21rcuc/620:19:366
431321270,0sleep10-21swapper/120:32:211
253621270,1sleep21562899cyclictest20:45:202
2558621260,0sleep60-21swapper/621:19:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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