You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-23 - 08:30

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 #5, slot #3

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 rack5slot3s.osadl.org (updated Tue Jun 23, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
236592238163,24sleep20-21swapper/219:07:542
236342237166,58sleep30-21swapper/319:07:353
235722204165,26sleep00-21swapper/019:06:460
237722203166,24sleep10-21swapper/119:09:211
2082721480,5sleep22391899cyclictest23:55:122
1319421230,3sleep32392499cyclictest21:10:143
2391899104101,2cyclictest0-21swapper/223:02:312
169932600,4sleep230-21rcuc/223:45:172
184682560,4sleep011-21rcuc/021:20:230
23918994844,3cyclictest0-21swapper/219:51:242
23913993814,9cyclictest32432-21cat23:05:251
124022370,5sleep02390699cyclictest23:35:150
2392499340,20cyclictest0-21swapper/320:29:253
2392499331,22cyclictest0-21swapper/322:30:113
2392499331,21cyclictest0-21swapper/323:52:033
2390699338,12cyclictest5397-21munin-run19:40:000
2392499321,23cyclictest0-21swapper/323:31:143
2392499321,21cyclictest0-21swapper/322:39:473
2392499320,21cyclictest0-21swapper/321:23:223
2392499320,21cyclictest0-21swapper/320:09:113
2392499320,20cyclictest0-21swapper/321:42:593
23918993229,2cyclictest0-21swapper/220:48:512
2390699316,12cyclictest11994-21munin-run19:55:000
2392499301,20cyclictest0-21swapper/323:40:153
2392499301,13cyclictest0-21swapper/322:08:553
2392499301,13cyclictest0-21swapper/300:10:473
2392499301,12cyclictest0-21swapper/321:28:573
2392499300,20cyclictest0-21swapper/322:14:233
2390699303,12cyclictest8217-21awk21:00:010
2392499291,19cyclictest14097-21gltestperf22:25:133
2392499291,19cyclictest0-21swapper/323:45:313
2392499291,14cyclictest0-21swapper/321:30:193
2392499291,10cyclictest0-21swapper/320:42:493
2392499290,12cyclictest0-21swapper/322:18:033
2392499290,10cyclictest0-21swapper/319:24:493
2391399291,22cyclictest0-21swapper/122:09:281
23924992816,3cyclictest0-21swapper/322:03:273
23924992816,3cyclictest0-21swapper/322:03:273
2392499281,14cyclictest0-21swapper/321:58:153
2392499281,12cyclictest0-21swapper/321:50:473
2392499281,12cyclictest0-21swapper/321:37:273
2392499280,9cyclictest0-21swapper/300:17:133
2392499280,19cyclictest0-21swapper/323:20:103
2391899281,12cyclictest0-21swapper/221:35:172
2392499271,12cyclictest0-21swapper/319:41:053
2392499271,12cyclictest0-21swapper/319:41:053
2392499270,16cyclictest0-21swapper/323:15:363
2390699271,12cyclictest11654-21munin-run23:35:010
23906992710,14cyclictest26084-21munin-run19:15:010
2392499261,16cyclictest0-21swapper/319:19:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional