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2024-04-24 - 14:15
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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 Wed Apr 24, 2024 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1416021420,6sleep11904699cyclictest23:47:383
51282129111,13sleep110-21swapper/1119:07:233
84232127104,18sleep100-21swapper/1019:10:342
84162126103,18sleep30-21swapper/319:10:279
8268212592,28sleep20-21swapper/219:08:348
82462125104,17sleep00-21swapper/019:08:160
5130212294,24sleep120-21swapper/1219:07:244
8291211793,14sleep80-21swapper/819:08:5614
8458211491,18sleep90-21swapper/919:11:0515
2395421120,0sleep20-21swapper/223:36:318
2395421120,0sleep20-21swapper/223:36:318
2482421100,5sleep13904899cyclictest21:13:525
2482421100,5sleep13904899cyclictest21:13:525
1023421100,1sleep100-21swapper/1022:30:512
2247221070,1sleep40-21swapper/423:10:5210
8317210691,10sleep150-21swapper/1519:09:197
2142421060,1sleep60-21swapper/621:46:0712
1728421060,0sleep140-21swapper/1421:58:016
1461921030,5sleep14905099cyclictest21:28:206
1414021020,1sleep10-21swapper/121:37:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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