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2024-04-24 - 19:15
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack5slot2.osadl.org (updated Wed Apr 24, 2024 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155642208192,11sleep10-21swapper/107:07:151
135492197180,12sleep30-21swapper/307:05:063
155932187170,12sleep00-21swapper/007:07:380
15498211295,12sleep20-21swapper/207:06:252
228502430,0sleep322849-21df_inode11:15:103
126242430,0sleep00-21swapper/012:06:230
243472360,0sleep11596999cyclictest09:39:531
123292110,0sleep20-21swapper/212:25:242
162982100,0sleep30-21swapper/310:51:403
16872280,1sleep1211ktimersoftd/111:11:051
159649982,3cyclictest2300-21munin-run12:40:000
159649981,3cyclictest3361-21awk09:05:010
31552270,0sleep10-21swapper/110:02:391
159649971,3cyclictest5879-21perf08:05:010
159649960,5cyclictest0-21swapper/011:45:120
159649960,3cyclictest31405-21awk09:25:000
7299250,0sleep10-21swapper/112:03:481
4243250,0sleep10-21swapper/109:27:321
159829955,0cyclictest57250irq/125-eth010:25:143
159829955,0cyclictest0-21swapper/309:26:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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