You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-06 - 20:33

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 #4, 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 50 highest latencies:
System rack4slot1s.osadl.org (updated Fri Mar 06, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
932221340,3chrt0-21swapper/212:26:432
932221340,3chrt0-21swapper/212:26:432
58021340,3sleep20-21swapper/210:36:442
58021340,3sleep20-21swapper/210:36:442
58021340,3sleep20-21swapper/210:36:442
58021340,3sleep20-21swapper/210:36:442
442121310,3sleep20-21swapper/207:56:282
1076121270,2sleep20-21swapper/211:06:312
1076121270,2sleep20-21swapper/211:06:312
154112810,3chrt0-21swapper/011:16:420
154112810,3chrt0-21swapper/011:16:420
154112810,3chrt0-21swapper/011:16:420
138092690,3sleep20-21swapper/209:46:352
138092690,3sleep20-21swapper/209:46:352
194142670,3sleep019417-21tail11:26:430
194142670,3sleep019417-21tail11:26:430
226652630,2chrt22664-21df10:11:311
226652630,2chrt22664-21df10:11:311
274712590,3chrt0-21swapper/211:51:252
274712590,3chrt0-21swapper/211:51:252
255672570,5chrt25570-21unixbench-2d10:16:411
255672570,5chrt25570-21unixbench-2d10:16:411
255672570,5chrt25570-21unixbench-2d10:16:411
319722510,3chrt0-21swapper/310:36:333
319722510,3chrt0-21swapper/310:36:333
319722510,3chrt0-21swapper/310:36:333
319722510,3chrt0-21swapper/310:36:333
275792500,2sleep20-21swapper/207:31:322
275792500,2sleep20-21swapper/207:31:322
61622440,2sleep30-21swapper/309:26:343
20012430,3chrt0-21swapper/210:41:352
20012430,3chrt0-21swapper/210:41:352
319922410,3sleep20-21swapper/212:01:392
319922410,3sleep20-21swapper/212:01:392
157362400,3sleep20-21swapper/211:16:442
157362400,3sleep20-21swapper/211:16:442
157362400,3sleep20-21swapper/211:16:442
55622390,4chrt0-21swapper/307:56:423
55622390,4chrt0-21swapper/307:56:423
216432350,2sleep20-21swapper/211:35:062
216432350,2sleep20-21swapper/211:35:062
20120993527,6cyclictest1172-21sendmail10:41:200
20120993527,6cyclictest1172-21sendmail10:41:200
20120993527,6cyclictest1172-21sendmail10:41:200
20120993527,6cyclictest1172-21sendmail10:41:200
20120993429,4cyclictest572-21cups-browsed11:01:420
20120993429,4cyclictest572-21cups-browsed11:01:420
20120993428,5cyclictest32262-21cron09:11:200
20120993427,5cyclictest0-21swapper/008:21:200
20120993427,5cyclictest0-21swapper/008:21:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional