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2024-04-25 - 15:11

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #7

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50.5 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 rack5slot7s.osadl.org (updated Thu Apr 25, 2024 12:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7333224402197,98sleep00-21swapper07:06:070
78159916319,119cyclictest10917-21memory07:25:470
78159916117,120cyclictest26512-21irqstats09:00:510
78159916113,24cyclictest27916-21apt-get09:11:390
78159916014,121cyclictest13631-21diskstats11:00:370
78159915916,41cyclictest6953-21apt10:20:010
78159915914,39cyclictest26071-21sendmail09:00:010
78159915912,123cyclictest15810-21apt-get11:17:060
78159915814,25cyclictest14605-21grep07:46:030
78159915814,119cyclictest17003-21cut08:01:110
78159915810,122cyclictest5213-21wc10:06:050
78159915743,23cyclictest22406-21missed_timers08:35:500
78159915718,23cyclictest24085-21ntp_states08:45:510
78159915715,39cyclictest26806-21irqstats12:20:500
78159915711,121cyclictest2925-21apt09:55:020
78159915624,25cyclictest15953-21memory07:55:440
78159915619,26cyclictest30569-21apt09:25:010
78159915616,23cyclictest20070-21munin-run11:40:020
78159915616,113cyclictest3267-21memory09:55:470
78159915514,24cyclictest12170-21apt-get07:36:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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