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2022-07-01 - 01:08

x86 Intel Xeon E3-1220L V2 @2300 MHz, Linux 4.18.7-rt5 (Profile)

Latency plot of system in rack #8, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 10 highest latencies:
System rack8slot0.osadl.org (updated Thu Jun 30, 2022 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1275321600,2sleep02953199cyclictest10:41:220
151021430,1sleep12953299cyclictest11:32:031
2852421330,1sleep128475-21sshd09:42:331
485521210,2sleep32953499cyclictest11:43:363
2441321200,2sleep02953199cyclictest11:08:440
3032321130,0sleep30-21swapper/311:21:513
2667321060,0sleep01845-21nfsd09:53:430
163912900,2sleep316273-21sshd11:06:593
82732830,1sleep28264-21grepconf.sh10:35:272
302932800,1sleep330295-21kworker/u8:310:51:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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