You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-08 - 03:07

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 #1, 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 
Special  All - All RT - Optimization - Ethernet - Thumbnails - Next
  Intel
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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack1slot6s.osadl.org (updated Wed Apr 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991090,4rtkit-daemon0-21swapper/220:26:342
115079910119,10cyclictest13980-21switchtime21:56:353
115059910030,12cyclictest31736-21unixbench_singl20:46:391
115059910030,12cyclictest31736-21unixbench_singl20:46:391
1150599994,15cyclictest0-21swapper/120:04:441
11507999735,42cyclictest29308-21runrttasks20:44:513
248599960,5rtkit-daemon0-21swapper/220:36:341
1150599954,13cyclictest0-21swapper/120:30:571
248599940,7rtkit-daemon0-21swapper/120:21:191
1150799944,28cyclictest0-21swapper/320:15:553
1150799944,28cyclictest0-21swapper/320:15:553
11503999411,12cyclictest0-21swapper/021:31:270
248599930,7rtkit-daemon0-21swapper/120:36:413
1150599934,13cyclictest3121-21sh20:06:181
1150599934,13cyclictest3121-21sh20:06:181
11503999320,51cyclictest0-21swapper/022:25:580
1150799924,27cyclictest0-21swapper/321:01:203
11503999243,42cyclictest0-21swapper/021:41:360
11503999110,11cyclictest0-21swapper/020:10:070
11503999110,11cyclictest0-21swapper/020:10:070
1150799904,78cyclictest0-21swapper/320:56:073
1150799904,24cyclictest0-21swapper/319:49:123
1150599905,15cyclictest0-21swapper/122:11:161
1150599905,15cyclictest0-21swapper/122:11:161
1150399904,79cyclictest259121munin-node22:16:240
1150799895,25cyclictest0-21swapper/322:30:503
11503998925,48cyclictest372-21sed20:01:250
11503998920,61cyclictest0-21swapper/022:46:200
11503998916,55cyclictest0-21swapper/021:26:370
11503998911,12cyclictest0-21swapper/020:36:400
162012880,10sleep01150399cyclictest19:36:360
11507998826,54cyclictest308-21gltestperf19:11:283
1150399884,22cyclictest0-21swapper/022:33:480
11503998810,56cyclictest0-21swapper/020:11:290
11503998810,56cyclictest0-21swapper/020:11:290
11507998721,12cyclictest0-21swapper/321:16:173
1150399874,76cyclictest0-21swapper/019:51:390
11503998738,42cyclictest0-21swapper/019:41:390
1150399873,76cyclictest21325-21taskset20:31:350
1150399873,76cyclictest0-21swapper/019:46:200
11503998716,10cyclictest0-21swapper/020:28:110
11503998710,13cyclictest0-21swapper/022:40:230
1150799864,22cyclictest0-21swapper/321:32:313
1150799864,22cyclictest0-21swapper/320:56:163
1150799863,25cyclictest0-21swapper/321:12:363
1150799863,22cyclictest8507-21taskset21:50:043
11507998623,54cyclictest26206-21sh17:51:253
11507998611,15cyclictest0-21swapper/319:31:363
1150399863,76cyclictest13124-21unixbench_multi19:31:420
1150399863,22cyclictest0-21swapper/022:41:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional