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2024-07-27 - 08:13

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #4, slot #6

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 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 rack4slot6s.osadl.org (updated Sat Jul 27, 2024 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2540922240,2sleep025411-21sed20:55:020
2901121320,2sleep029012-21sort23:15:020
495121290,3sleep04952-21uptime23:45:280
2700121220,3sleep027004-21grep23:05:260
740521050,4sleep07455-21df19:45:100
3087421030,5sleep030893-21ntp_states21:15:220
1639321010,2sleep016394-21cat22:25:200
98552990,4sleep09915-21grep19:55:020
50052910,2sleep05004-21load19:35:160
139112900,4sleep013927-21fw_packets20:10:140
253802880,3sleep025419-21/usr/sbin/munin23:00:190
202772850,3sleep020304-21cat22:40:200
302322820,4sleep030274-21basename23:20:000
115802806,61sleep011629-21ps20:00:240
2979727621,30sleep029823-21ntp_states19:05:190
30748996611,17cyclictest6146-21ntpq21:45:180
30748996136,16cyclictest29918-21/usr/sbin/munin21:10:280
30748996111,18cyclictest2857-21sshd19:25:310
222522613,5sleep00-21swapper22:47:520
3074899599,17cyclictest16959-21cat20:20:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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