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2025-05-13 - 11:34
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot2.osadl.org (updated Tue May 13, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
997221997866,7cyclictest997217-21cyclictest23:15:110
997222997626,9cyclictest0-21swapper/122:50:321
997222997237,32cyclictest1086886-21timerwakeupswit22:25:411
997222997138,6cyclictest1175395-21grep00:25:241
997222997138,3cyclictest1124483-21grep23:15:271
997221997052,15cyclictest54-21kswapd022:30:110
997222996960,6cyclictest984843-21kworker/u4:20+events_unbound19:40:011
997222996960,6cyclictest984843-21kworker/u4:20+events_unbound19:40:001
997221996755,9cyclictest54-21kswapd023:35:090
997221996250,9cyclictest1086083-21fschecks_count22:25:210
99722199619,38cyclictest1097940-21ssh22:40:320
997221996150,8cyclictest1017495-21kworker/u4:7+events_unbound21:10:020
997221996150,8cyclictest1017495-21kworker/u4:7+events_unbound21:10:020
997221996148,9cyclictest1093766-21grep22:35:220
997222995946,11cyclictest1040819-21switchtime21:25:391
997221995839,17cyclictest997217-21cyclictest22:10:280
997221995636,18cyclictest1047215-21munin-plugin-st21:35:000
997221995636,18cyclictest1047215-21munin-plugin-st21:35:000
997221995535,17cyclictest1126344-21kworker/u4:6-rpciod23:20:220
997221995524,26cyclictest25650irq/23-42890000.ethernet20:40:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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