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2024-04-24 - 04:05
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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 50 highest latencies:
System rackcslot6.osadl.org (updated Tue Apr 23, 2024 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2737602136118,16sleep20-21swapper/219:05:112
27588329957,11sleep10-21swapper/119:08:321
27401229980,17sleep30-21swapper/319:05:133
276173999728,37cyclictest0-21swapper/020:53:170
27422229576,3sleep50-21swapper/519:05:145
276213998614,39cyclictest0-21swapper/523:23:165
3875392840,0sleep00-21swapper/021:43:530
3875392840,0sleep00-21swapper/021:43:530
27582928360,11sleep40-21swapper/419:07:474
276220998215,36cyclictest0-21swapper/600:08:166
276220998116,35cyclictest0-21swapper/620:28:166
276220998115,36cyclictest0-21swapper/619:53:166
276220998115,35cyclictest0-21swapper/620:38:176
4741502800,1sleep656-21ksoftirqd/622:55:136
27574628056,12sleep70-21swapper/719:06:377
27592927860,12sleep60-21swapper/619:09:106
27584327860,12sleep00-21swapper/019:07:590
4385142770,1sleep549-21ksoftirqd/522:25:165
5216332760,0sleep5148-21kswapd023:35:005
3043502760,2sleep549-21ksoftirqd/519:55:225
3550962750,0sleep656-21ksoftirqd/621:15:566
276200997517,37cyclictest0-21swapper/319:18:163
3347312740,0sleep50-21swapper/520:50:005
276200997416,36cyclictest0-21swapper/322:58:173
276200997328,37cyclictest0-21swapper/322:23:163
276200997315,36cyclictest0-21swapper/321:13:173
3944752720,0sleep60-21swapper/621:50:006
276213997215,33cyclictest0-21swapper/521:28:175
276200997216,36cyclictest0-21swapper/321:38:173
276220997016,36cyclictest0-21swapper/623:08:166
276200997017,37cyclictest0-21swapper/322:33:173
2995022680,0sleep10-21swapper/119:45:241
276200996817,39cyclictest0-21swapper/322:48:163
27617399678,29cyclictest0-21swapper/020:18:160
276173995215,8cyclictest0-21swapper/021:48:170
27620599505,33cyclictest0-21swapper/423:33:174
4904402360,0sleep30-21swapper/323:08:473
276228993516,19cyclictest0-21swapper/719:33:167
276213993317,16cyclictest0-21swapper/500:18:165
276228993215,17cyclictest0-21swapper/722:13:167
276228993016,14cyclictest0-21swapper/720:08:167
276220993014,15cyclictest0-21swapper/621:33:176
5574002290,0sleep10-21swapper/100:04:371
276205992913,15cyclictest0-21swapper/420:33:164
276173992913,15cyclictest0-21swapper/023:38:160
276228992811,16cyclictest0-21swapper/722:28:177
276213992812,15cyclictest0-21swapper/522:08:175
276213992812,15cyclictest0-21swapper/521:43:175
276213992812,15cyclictest0-21swapper/521:43:165
276200992812,15cyclictest0-21swapper/300:23:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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