You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-20 - 15:42

OSADL QA Farm on Real-time of Mainline Linux

About - Hardware - CPUs - Benchmarks - Graphics - Benchmarks - Kernels - Boards/Distros - Latency monitoring - Latency plots - System data - Profiles - Compare - Awards

Default latency plot of shadow in rack #0, slot #1

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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  
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: 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 20 highest latencies:
System rack0slot1s.osadl.org (updated Sat Apr 20, 2024 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3001499104102,2cyclictest0-21swapper/608:08:256
2999799100100,0cyclictest37-21ksoftirqd/310:52:013
30003999796,1cyclictest0-21swapper/407:38:484
30014999594,1cyclictest0-21swapper/610:02:436
30010998684,1cyclictest0-21swapper/507:27:315
30010997977,1cyclictest0-21swapper/508:24:005
30020994745,2cyclictest0-21swapper/710:52:017
29990994543,1cyclictest29-21ksoftirqd/208:08:252
2957324524,18sleep60-21swapper/607:07:086
29990993635,1cyclictest29-21ksoftirqd/210:02:432
2959923515,17sleep00-21swapper/007:07:250
2819823520,10sleep50-21swapper/507:05:135
2954023414,17sleep20-21swapper/207:06:402
2947423413,18sleep30-21swapper/307:05:443
2842623413,17sleep70-21swapper/707:05:157
2765223311,18sleep10-21swapper/107:05:091
29982993030,0cyclictest21-21ksoftirqd/107:27:311
30010992927,1cyclictest0-21swapper/510:17:475
281152297,18sleep40-21swapper/407:05:124
29982992524,1cyclictest21-21ksoftirqd/108:24:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional