You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-25 - 04:01

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 #0, 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
  
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 100 highest latencies:
System rack0slot6s.osadl.org (updated Mon May 25, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33136102258218,12sleep70-21swapper/719:05:5117
33136012254213,33sleep190-21swapper/1919:05:4311
33138282248229,12sleep140-21swapper/1419:08:196
33138952243205,30sleep60-21swapper/619:09:1116
33139492242224,11sleep20-21swapper/219:09:4712
33136992241222,11sleep100-21swapper/1019:06:542
33138872239204,10sleep00-21swapper/019:09:050
33138762238219,11sleep120-21swapper/1219:08:574
33138062237216,13sleep170-21swapper/1719:08:029
33136622237218,12sleep90-21swapper/919:06:3319
33138182236194,13sleep80-21swapper/819:08:1318
33138292235216,12sleep150-21swapper/1519:08:207
33137222235219,9sleep30-21swapper/319:07:0713
33135982234215,12sleep160-21swapper/1619:05:408
33137002233214,12sleep110-21swapper/1119:06:553
33137752232213,12sleep130-21swapper/1319:07:385
33136822232213,11sleep40-21swapper/419:06:4814
33138412231212,12sleep50-21swapper/519:08:3115
33137202228209,12sleep10-21swapper/119:07:051
33136742220200,12sleep180-21swapper/1819:06:4210
331433099906,36cyclictest0-21swapper/723:57:5717
331433099885,34cyclictest0-21swapper/720:42:5817
33616892790,0sleep50-21swapper/520:05:1315
3314361994036,3cyclictest0-21swapper/1620:02:008
331433899390,38cyclictest0-21swapper/1019:49:382
331433899370,36cyclictest0-21swapper/1023:38:422
331433899370,36cyclictest0-21swapper/1021:26:412
331433899370,36cyclictest0-21swapper/1020:42:392
331433899350,34cyclictest0-21swapper/1022:16:512
331433599350,35cyclictest0-21swapper/920:13:5919
331433599350,35cyclictest0-21swapper/900:27:5819
331433599350,34cyclictest0-21swapper/920:26:5919
331433599350,0cyclictest0-21swapper/922:22:5919
3314371993434,0cyclictest0-21swapper/1923:34:5911
3314371993434,0cyclictest0-21swapper/1922:24:5911
331437199340,34cyclictest0-21swapper/1919:32:5911
331437199340,0cyclictest0-21swapper/1922:34:5911
331436699340,33cyclictest0-21swapper/1719:18:009
331435699340,33cyclictest0-21swapper/1419:48:596
331435299340,33cyclictest0-21swapper/1300:03:585
331435299340,0cyclictest0-21swapper/1323:00:005
331435299340,0cyclictest0-21swapper/1319:55:595
331433899340,0cyclictest0-21swapper/1022:03:472
331433899340,0cyclictest0-21swapper/1022:03:472
3314335993434,0cyclictest0-21swapper/922:30:5919
3314335993434,0cyclictest0-21swapper/922:19:5919
3314335993434,0cyclictest0-21swapper/922:01:5919
3314335993434,0cyclictest0-21swapper/922:01:5919
3314335993434,0cyclictest0-21swapper/921:51:0019
3314335993434,0cyclictest0-21swapper/921:51:0019
3314335993434,0cyclictest0-21swapper/921:30:5919
3314335993434,0cyclictest0-21swapper/920:36:5919
3314335993434,0cyclictest0-21swapper/900:03:5819
331433599340,34cyclictest0-21swapper/923:28:0019
331433599340,34cyclictest0-21swapper/923:15:5919
331433599340,34cyclictest0-21swapper/922:56:5919
331433599340,33cyclictest0-21swapper/923:06:5919
331433599340,0cyclictest0-21swapper/919:22:5919
3314306993434,0cyclictest3463200-21kworker/0:3+pm23:33:420
3314306993434,0cyclictest3356245-21kworker/0:2+pm20:51:540
3314306993434,0cyclictest3347977-21kworker/0:1+pm19:49:380
3314371993333,0cyclictest0-21swapper/1923:54:5911
3314371993333,0cyclictest0-21swapper/1921:31:5911
3314371993333,0cyclictest0-21swapper/1900:11:5811
3314371993332,1cyclictest0-21swapper/1922:18:5911
3314371993332,1cyclictest0-21swapper/1922:04:0011
3314371993332,1cyclictest0-21swapper/1922:03:5911
331437199330,33cyclictest0-21swapper/1922:54:5911
331436899330,33cyclictest0-21swapper/1822:58:5910
331436899330,0cyclictest0-21swapper/1819:18:5910
3314356993332,1cyclictest3577994-21scp00:25:586
331435699330,31cyclictest0-21swapper/1423:57:576
331435699330,0cyclictest0-21swapper/1400:33:586
3314335993333,0cyclictest0-21swapper/920:15:5919
331433599330,0cyclictest0-21swapper/921:24:5919
331433599330,0cyclictest0-21swapper/920:42:5919
331432599330,33cyclictest0-21swapper/622:13:5916
331432599330,33cyclictest0-21swapper/620:55:5916
3314323993332,1cyclictest0-21swapper/519:32:5915
3314323993332,0cyclictest0-21swapper/522:34:5915
331432399330,0cyclictest0-21swapper/521:15:0015
331431699330,33cyclictest0-21swapper/323:00:5913
331431699330,33cyclictest0-21swapper/322:12:5913
331431699330,33cyclictest0-21swapper/321:09:5913
331431699330,0cyclictest0-21swapper/319:56:5913
3314314993332,0cyclictest0-21swapper/219:55:5912
331431499330,33cyclictest0-21swapper/200:05:5812
3314306993333,0cyclictest3463200-21kworker/0:3+pm23:05:530
3314306993333,0cyclictest3356245-21kworker/0:2+pm00:17:530
3314306993333,0cyclictest3331556-21kworker/0:0+pm20:35:540
3314306993333,0cyclictest3331556-21kworker/0:0+pm20:22:550
3314306993332,1cyclictest3533380-21kworker/0:4+pm23:38:430
3314371993232,0cyclictest0-21swapper/1923:18:5911
3314371993232,0cyclictest0-21swapper/1921:54:5911
3314371993232,0cyclictest0-21swapper/1921:54:5911
3314371993232,0cyclictest0-21swapper/1921:43:5911
3314371993232,0cyclictest0-21swapper/1921:10:5911
3314371993232,0cyclictest0-21swapper/1921:04:5911
3314371993232,0cyclictest0-21swapper/1920:27:5911
3314371993232,0cyclictest0-21swapper/1920:05:5911
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional