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2026-07-04 - 22:44
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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
Characteristics of the 10 highest latencies:
System rack3slot4.osadl.org (updated Sat Jul 04, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068437211941172,9sleep31068124-21kworker/3:2+events@
dbs_work_handler
07:05:113
1068914210401017,10sleep21062982-21kworker/2:4+events@
dbs_work_handler
07:05:222
131505321700,3sleep50-21swapper/511:49:225
131505321700,3sleep50-21swapper/511:49:225
1070295991211,109cyclictest0-21swapper/011:50:140
1070295991211,109cyclictest0-21swapper/011:50:130
1070295991181,58cyclictest0-21swapper/010:50:070
107030499116101,8cyclictest1230561-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:15:592
10702959911679,23cyclictest67350irq/527-eth0-Tx12:14:270
1070295991151,103cyclictest1323437-21ld11:55:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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