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2025-06-19 - 01:35
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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 Thu Jun 19, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1939821640,3sleep2418199cyclictest00:16:322
1409121630,0sleep20-21swapper/223:50:522
1531921610,0sleep6418799cyclictest21:09:426
1531921610,0sleep6418799cyclictest21:09:426
1476521560,0sleep10-21swapper/123:32:401
41879915448,21cyclictest0-21swapper/620:21:216
41879915448,21cyclictest0-21swapper/620:21:216
3118721510,0sleep40-21swapper/422:54:294
2914421450,3sleep6418799cyclictest20:07:086
829921440,0sleep00-21swapper/020:55:100
2296921430,3sleep6418799cyclictest21:11:516
1556321420,0sleep70-21swapper/722:16:107
1556321420,0sleep70-21swapper/722:16:107
1456821420,2sleep3418299cyclictest20:29:253
2916821360,3sleep7418899cyclictest20:07:097
1836921340,2sleep2418199cyclictest19:06:232
4185991332,11cyclictest3730-21watchprog-ntop21:11:355
2953021330,2sleep2418199cyclictest23:26:402
421821310,1sleep44219-21chk_conn_tcp19:28:284
41829913046,57cyclictest3730-21watchprog-ntop21:48:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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