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2025-12-24 - 10:23
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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 Wed Dec 24, 2025 00:47:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2085886214741456,10sleep50-21swapper/519:05:395
2085886214741456,10sleep50-21swapper/519:05:395
2085020214221388,19sleep32078581-21kworker/3:3+events@
dbs_work_handler
19:05:193
2085020214221388,19sleep32078581-21kworker/3:3+events@
dbs_work_handler
19:05:193
208681299158125,25cyclictest2277424-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:18:470
208683299156151,2cyclictest0-21swapper/422:13:384
208683299156151,2cyclictest0-21swapper/422:13:384
20868129915244,69cyclictest2080299-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:12:180
208681299141106,15cyclictest2277424-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:23:500
208683299134128,3cyclictest0-21swapper/422:38:414
208683299134128,3cyclictest0-21swapper/422:38:404
222064021210,5sleep42220598-21ssh22:25:014
222064021210,5sleep42220598-21ssh22:25:004
226521321200,4sleep122-21rcuc/123:02:581
20868129911999,13cyclictest2173882-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:48:220
20868129911793,16cyclictest2173882-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:13:380
20868129911793,16cyclictest2173882-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:13:380
20868129911791,22cyclictest210-21kswapd023:45:280
20868129911636,7cyclictest13-21ksoftirqd/021:15:330
20868129911481,12cyclictest210-21kswapd022:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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