You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-09-30 - 08:43

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 #8

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 
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: 50 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 rack9slot8s.osadl.org (updated Sat Sep 30, 2023 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
350501870,0irq/20-4900000012445-21kworker/0:119:06:560
13756999573,0cyclictest20477-21ssh22:01:190
13756999460,0cyclictest28227-21ssh22:20:350
13756999370,0cyclictest27524-21ssh22:19:240
13756999363,0cyclictest2359-21ssh22:37:090
13756999362,0cyclictest28261-21kworker/u2:121:18:150
13756999273,0cyclictest13416-21ssh21:43:120
13756999269,0cyclictest4806-21ssh21:21:080
13756999259,0cyclictest32415-21sshd22:31:150
13756999174,0cyclictest13554-21munin-run23:05:020
13756999173,0cyclictest6264-21apt-get21:25:440
13756999173,0cyclictest14482-21ssh23:07:110
13756999167,0cyclictest7965-21ssh00:11:450
13756999154,0cyclictest32555-21diskmemload00:05:020
13756999070,0cyclictest16407-21munin-run19:25:030
13756999068,0cyclictest31472-21ssh23:49:220
13756999068,0cyclictest21216-21apt19:55:010
13756999067,0cyclictest9405-21munin-run22:55:020
13756999066,0cyclictest30847-21ssh22:27:260
13756999060,0cyclictest25871-21sshd23:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional