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2025-05-03 - 01:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rackcslot0.osadl.org (updated Fri May 02, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242721840,6sleep14885799cyclictest23:59:506
99621350,1sleep3979-21sshd21:39:479
8215213195,31sleep140-21swapper/1419:15:196
8215213195,31sleep140-21swapper/1419:15:196
686421260,15sleep80-21swapper/819:13:0314
686421260,15sleep80-21swapper/819:13:0314
82362119103,11sleep10-21swapper/119:15:381
82362119103,11sleep10-21swapper/119:15:381
8256211794,18sleep20-21swapper/219:15:558
8256211794,18sleep20-21swapper/219:15:558
82952116104,7sleep40-21swapper/419:16:2910
82952116104,7sleep40-21swapper/419:16:2910
8275211691,21sleep30-21swapper/319:16:129
8275211691,21sleep30-21swapper/319:16:129
8392210592,9sleep120-21swapper/1219:17:094
8392210592,9sleep120-21swapper/1219:17:094
8428210490,9sleep110-21swapper/1119:17:403
8428210490,9sleep110-21swapper/1119:17:403
2827921040,2sleep40-21swapper/423:53:4710
8405210379,19sleep60-21swapper/619:17:1912
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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