You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-22 - 05:42

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 #9, slot #5

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.
Unexpectedly long latencies may be caused by SMIs
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 50 highest latencies:
System rack9slot5s.osadl.org (updated Fri Nov 22, 2024 01:13:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2415:16:257630
38,15:16:017629
015:16:017625
0,15:16:017624
0,15:16:017623
0,15:16:017622
0,15:16:017621
0,15:16:017620
0,15:16:017619
0,15:16:017618
0,15:16:017617
0,15:16:017616
0,15:16:017615
0,15:16:017614
0,15:16:017613
0,15:16:017612
0,15:16:017611
0,15:16:017610
0,15:16:017609
0,15:16:017608
0,15:16:017607
0,15:16:017606
0,15:16:017605
0,15:16:017604
0,15:16:017603
0,15:16:017602
0,15:16:017601
0,15:16:017600
0,15:16:017599
0,15:16:017598
0,15:16:017597
0,15:16:017596
0,15:16:017595
0,15:16:017594
0,15:16:017593
0,15:16:017592
0,15:16:017591
0,15:16:017590
0,15:16:017589
0,15:16:017588
0,15:16:017587
0,15:16:017586
0,15:16:017585
0,15:16:017584
0,15:16:017583
0,15:16:017582
0,15:16:017581
0,15:16:017580
0,15:16:017579
0,15:16:017578
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional