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2024-11-22 - 11:44
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot6.osadl.org (updated Fri Nov 22, 2024 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30302521350,127pltrace0-21swapper/519:09:505
30302521220,114pltrace0-21swapper/119:09:531
30302521140,105pltrace0-21swapper/219:09:332
594221070,1sleep30-21swapper/322:15:133
30302521070,96pltrace0-21swapper/719:09:247
3030252880,84pltrace0-21swapper/619:08:566
3030252800,66pltrace0-21swapper/319:09:283
3010225844,10sleep00-21swapper/019:05:540
3025625743,10sleep40-21swapper/419:08:064
2994952320,2pltrace0-21swapper/723:00:127
378752280,3pltrace0-21swapper/721:15:147
3062499250,1cyclictest0-21swapper/420:45:194
3062499190,14cyclictest0-21swapper/422:14:514
1662452190,2pltrace0-21swapper/720:41:517
1336152190,3pltrace0-21swapper/700:30:237
30637991815,2cyclictest0-21swapper/721:50:197
70352170,4pltrace0-21swapper/719:15:157
3062499171,15cyclictest0-21swapper/423:00:004
3062499171,15cyclictest0-21swapper/422:46:514
3062499170,13cyclictest0-21swapper/421:40:264
30619991712,3cyclictest0-21swapper/322:23:283
30619991711,5cyclictest0-21swapper/322:53:043
3061999170,12cyclictest0-21swapper/322:10:183
2389852170,0pltrace0-21swapper/719:58:167
1941152170,0pltrace0-21swapper/720:46:557
1601952170,11pltrace0-21swapper/722:35:167
1431252170,0pltrace0-21swapper/723:28:457
1057852170,0pltrace0-21swapper/700:25:127
307092160,0sleep10-21swapper/100:00:151
30637991613,2cyclictest0-21swapper/722:25:167
30637991611,3cyclictest0-21swapper/720:04:447
3063799161,8cyclictest0-21swapper/723:41:177
30624991611,4cyclictest0-21swapper/400:01:584
30624991611,3cyclictest0-21swapper/420:55:494
30624991611,3cyclictest0-21swapper/420:55:494
30624991611,3cyclictest0-21swapper/420:14:404
3062499161,7cyclictest0-21swapper/420:37:484
3062499160,15cyclictest0-21swapper/421:13:074
3062499160,15cyclictest0-21swapper/421:02:014
3062499160,15cyclictest0-21swapper/421:02:014
30619991611,3cyclictest0-21swapper/323:54:403
30619991611,2cyclictest0-21swapper/323:15:233
3061999160,15cyclictest0-21swapper/319:10:223
30616991611,3cyclictest0-21swapper/222:38:252
30616991611,3cyclictest0-21swapper/221:52:572
3061699161,4cyclictest0-21swapper/221:05:552
3061699160,8cyclictest0-21swapper/222:15:362
30607991611,3cyclictest0-21swapper/020:56:280
30607991611,3cyclictest0-21swapper/020:56:280
1662452160,3pltrace19217-21chrt20:41:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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