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2023-12-11 - 03:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Mon Dec 11, 2023 00:44:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16083523010,3sleep0160836-21/usr/sbin/munin21:45:320
15980822610,3sleep0159809-21/usr/sbin/munin21:41:280
17619522530,4chrt176194-21cat22:40:070
11950722450,4chrt119502-21df19:20:230
11554922430,30sleep0115550-21collect219:05:360
11648399237203,23cyclictest1-21systemd00:00:060
11703822340,4chrt117036-21ld19:10:570
11648399226198,18cyclictest116491-21kworker/u2:219:35:260
20390422140,3sleep0203902-21ps00:16:260
19165722100,2sleep0191658-21sed23:35:120
14211822050,3sleep0142120-21idleruntime-cro20:40:000
11648399204176,17cyclictest122090-21kworker/u2:119:40:200
11648399204175,19cyclictest188338-21kworker/u2:023:40:230
11648399203173,19cyclictest190082-21kworker/u2:223:50:230
11648399201173,17cyclictest116491-21kworker/u2:219:30:120
11648399200170,18cyclictest167045-21kworker/u2:222:10:260
11648399198169,19cyclictest113694-21kworker/u2:119:20:060
11648399197169,18cyclictest156073-21kworker/u2:221:35:070
11648399197169,18cyclictest142153-21kworker/u2:220:46:270
11648399197165,22cyclictest116491-21kworker/u2:219:35:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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