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2024-07-16 - 08:16
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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 rackaslot8.osadl.org (updated Mon Jul 15, 2024 12:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38362312277,22sleep20-21swapper/207:09:472
36612275241,22sleep10-21swapper/107:07:361
36302267234,20sleep30-21swapper/307:07:143
37022255222,21sleep00-21swapper/007:08:080
110562600,1sleep2271rcuc/210:27:432
122422550,0sleep00-21swapper/007:20:290
211402530,0sleep20-21swapper/212:35:002
215162520,0sleep10-21swapper/111:07:421
169692200,0sleep30-21swapper/310:03:183
195062160,0sleep10-21swapper/109:33:511
396399129,2cyclictest12-21ksoftirqd/009:10:000
396999105,3cyclictest19982-21systemd-journal10:33:532
39749994,3cyclictest19982-21systemd-journal08:21:463
39699992,4cyclictest14926-21perf07:30:012
39659994,3cyclictest19982-21systemd-journal09:58:011
39659994,3cyclictest19982-21systemd-journal09:20:011
39639994,3cyclictest19982-21systemd-journal12:15:160
39639994,3cyclictest19982-21systemd-journal07:10:190
39749983,3cyclictest19982-21systemd-journal11:15:533
39749983,3cyclictest19982-21systemd-journal10:45:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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