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2022-05-29 - 14:38

x86 Intel Atom E640 @1000 MHz, Linux 3.18.11-rt7 (Profile)

Latency plot of system in rack #9, slot #4
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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack9slot4.osadl.org (updated Sun May 29, 2022 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
108979912311cyclictest0-21swapper/011:56:450
10557112176sleep0-21swapper/108:56:271
10897991206cyclictest13755-21cat10:51:430
10897991199cyclictest0-21swapper/014:02:120
10897991108cyclictest0-21swapper/012:17:090
10897991099cyclictest0-21swapper/012:06:460
10571110972sleep0-21swapper/008:56:270
10897991088cyclictest0-21swapper/009:11:570
10897991069cyclictest0-21swapper/009:21:590
10897991059cyclictest0-21swapper/010:57:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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