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2026-08-02 - 06:56
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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 20 highest latencies:
System rack3slot4.osadl.org (updated Sun Aug 02, 2026 00:46:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3418094220812057,9sleep03415705-21kworker/0:2+events@
dbs_work_handler
19:05:100
3418094220812057,9sleep03415705-21kworker/0:2+events@
dbs_work_handler
19:05:100
34196662903883,9sleep13411471-21kworker/1:4+events@
dbs_work_handler
19:08:131
34196662903883,9sleep13411471-21kworker/1:4+events@
dbs_work_handler
19:08:131
341995799131107,16cyclictest3617866-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:17:470
3419957991091,95cyclictest0-21swapper/019:30:010
34199579910756,30cyclictest3468249-21diskmemload00:25:190
34199579910323,30cyclictest47-21rcuog/423:35:360
3419957999956,15cyclictest0-21swapper/000:35:210
341995799989,50cyclictest13-21ksoftirqd/023:55:210
3419957999868,21cyclictest67350irq/527-eth0-Tx23:20:190
3419957999855,14cyclictest0-21swapper/019:10:230
3419957999775,18cyclictest3503996-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
22:42:420
341995799971,70cyclictest0-21swapper/022:30:190
3419957999658,11cyclictest0-21swapper/021:20:370
3419957999656,27cyclictest0-21swapper/021:27:060
3419957999649,16cyclictest3456245-21latency_hist20:40:020
341995799952,68cyclictest0-21swapper/020:50:230
341995799951,69cyclictest0-21swapper/022:49:140
3419957999470,17cyclictest3556808-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:07:460
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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