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2026-08-02 - 22:56
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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 12:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
442701232373210,17sleep40-21swapper/407:05:384
442519230283010,5sleep0441436-21kworker/0:0+events@
dbs_work_handler
07:05:280
443517217561742,6sleep2441833-21kworker/2:2+events@
dbs_work_handler
07:09:512
443699991242,5cyclictest544751-21ssh09:50:390
443699991202,100cyclictest494978-21ssh09:12:570
443699991202,100cyclictest494978-21ssh09:12:560
4436999911788,21cyclictest503305-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
10:59:470
4436999911788,21cyclictest503305-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
10:59:460
4436999911735,52cyclictest67350irq/527-eth0-Tx10:50:210
4436999911735,52cyclictest67350irq/527-eth0-Tx10:50:200
443699991142,90cyclictest752544-21ssh12:27:180
443699991096,90cyclictest607858-21ssh10:38:310
4436999910834,22cyclictest67350irq/527-eth0-Tx10:13:040
4436999910834,22cyclictest67350irq/527-eth0-Tx10:13:030
4436999910629,43cyclictest210-21kswapd009:20:310
4436999910535,47cyclictest67650irq/530-eth0-Tx09:15:080
4436999910437,36cyclictest491993-21diskmemload10:05:430
4436999910421,15cyclictest524697-21ssh09:35:320
443699991041,98cyclictest0-21swapper/009:40:250
443699991034,3cyclictest0-21swapper/010:26:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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