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2023-06-05 - 23:20

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 20 highest latencies:
System rack8slot0.osadl.org (updated Mon Jun 05, 2023 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1573821220,0sleep10-21swapper/109:26:111
1394121220,0sleep3431ktimersoftd/309:51:023
318221170,2sleep11846-21nfsd11:27:281
2532621130,0sleep0101ktimersoftd/010:17:370
2430421040,4sleep02810899cyclictest10:41:540
274222970,1sleep3431ktimersoftd/309:58:443
136382810,0sleep113642-21grepconf.sh11:39:391
10142790,2sleep10-21swapper/109:50:281
217042780,1sleep20-21swapper/211:16:392
233262750,0sleep00-21swapper/011:47:240
80642740,0sleep30-21swapper/309:01:283
197402730,0sleep30-21swapper/311:45:463
60832720,0sleep00-21swapper/011:36:250
205792720,1sleep3421rcuc/310:02:293
97272710,0sleep30-21swapper/308:58:403
147782710,2sleep12810999cyclictest08:57:251
180532700,0sleep10-21swapper/111:44:161
88922680,2sleep22811099cyclictest09:34:142
323452680,0sleep20-21swapper/211:52:102
295352680,1sleep029531-21sshd10:51:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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