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2025-06-28 - 23:05
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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 Sat Jun 28, 2025 12:47:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2699238235143490,15sleep40-21swapper/407:05:164
2700676213471331,5sleep02700550-21kworker/0:2+events@
dbs_work_handler
07:07:370
27001402627612,6sleep22692762-21kworker/2:2+events@
dbs_work_handler
07:05:382
270107899123111,6cyclictest2719991-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
07:55:462
27010619911937,6cyclictest15-21rcuc/010:20:430
27010619911937,6cyclictest15-21rcuc/010:20:420
270107899117104,6cyclictest2972139-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
12:36:572
2701061991161,93cyclictest0-21swapper/011:15:510
2701061991151,93cyclictest0-21swapper/009:35:020
2701061991142,92cyclictest0-21swapper/011:47:550
2701061991137,89cyclictest2721941-21ntpq08:00:350
27010789911298,7cyclictest2907010-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:41:482
2701061991111,86cyclictest0-21swapper/012:21:310
27010619911075,24cyclictest64350irq/528-eth0-Tx10:40:430
27010619911055,46cyclictest0-21swapper/008:30:310
27010619911055,46cyclictest0-21swapper/008:30:310
27010619910749,46cyclictest0-21swapper/007:50:030
2701061991072,8cyclictest2747782-21ntpq09:05:390
2701061991072,8cyclictest2747782-21ntpq09:05:380
27010619910668,25cyclictest64250irq/527-eth0-Tx10:55:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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