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2025-12-28 - 22:06
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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 Dec 28, 2025 12:47:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173361227292672,38sleep0172352-21kworker/0:1+events@
dbs_work_handler
07:05:260
1745419913628,64cyclictest297762-21missed_timers10:15:250
17455899135110,9cyclictest268409-21kworker/u12:4+events_unbound@
flush_memcg_stats_dwork
09:55:223
1745419913327,60cyclictest268409-21kworker/u12:4+rpciod@
rpc_async_schedule
09:55:460
1745419913124,67cyclictest438474-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
12:25:170
1745419912827,56cyclictest392259-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:40:310
1745419912463,51cyclictest68950irq/527-eth0-Tx11:45:320
1745419912075,33cyclictest210-21kswapd009:35:150
1745419912075,33cyclictest210-21kswapd009:35:150
1745419911918,85cyclictest295080-21rm10:13:160
174541991191,6cyclictest442418-21/usr/sbin/munin12:20:190
1745419911767,32cyclictest0-21swapper/011:25:010
1745419911767,32cyclictest0-21swapper/011:25:000
1745419911477,29cyclictest0-21swapper/008:48:530
174541991142,81cyclictest0-21swapper/012:05:060
1745419911376,28cyclictest68950irq/527-eth0-Tx07:55:350
1745419911376,28cyclictest68950irq/527-eth0-Tx07:55:350
1745419911374,30cyclictest68950irq/527-eth0-Tx11:33:280
174541991134,75cyclictest262046-21kworker/u12:3+rpciod@
rpc_async_schedule
09:45:110
174541991134,75cyclictest262046-21kworker/u12:3+rpciod@
rpc_async_schedule
09:45:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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