You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-28 - 04:31

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 Thu May 28, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1435022250209,12sleep100-21swapper/1019:09:082
1435722249229,13sleep160-21swapper/1619:09:538
1432672246228,11sleep50-21swapper/519:06:2115
1432142244225,12sleep90-21swapper/919:05:4519
1434302243223,12sleep170-21swapper/1719:08:149
1435712241222,12sleep150-21swapper/1519:09:527
1435032241199,12sleep110-21swapper/1119:09:093
1435002241221,13sleep80-21swapper/819:09:0518
1432472240219,13sleep140-21swapper/1419:06:106
1435312239221,12sleep120-21swapper/1219:09:304
1434672239220,12sleep20-21swapper/219:08:4012
1433862237219,11sleep10-21swapper/119:07:381
1432302236217,12sleep00-21swapper/019:05:560
1402822232212,13sleep130-21swapper/1319:05:095
1435392231215,9sleep190-21swapper/1919:09:3711
1433362231212,11sleep30-21swapper/319:07:0113
1433282230210,13sleep180-21swapper/1819:06:5510
1396392224205,11sleep40-21swapper/419:05:0014
1434742221201,13sleep70-21swapper/719:08:4417
1432112219201,12sleep60-21swapper/619:05:4216
14394199887,36cyclictest0-21swapper/620:12:5716
4153962710,0sleep140-21swapper/1400:35:126
14395299556,25cyclictest0-21swapper/1023:27:572
14395299360,35cyclictest0-21swapper/1020:42:502
143921993636,0cyclictest77903-21kworker/0:2+pm20:58:580
143921993636,0cyclictest233171-21kworker/0:0+pm22:48:580
143950993535,0cyclictest0-21swapper/920:25:5819
14395099350,34cyclictest0-21swapper/920:45:5819
143921993535,0cyclictest77903-21kworker/0:2+pm20:53:560
143921993535,0cyclictest77903-21kworker/0:2+pm20:22:470
143921993535,0cyclictest77903-21kworker/0:2+pm20:01:580
143921993535,0cyclictest77903-21kworker/0:2+pm20:01:580
143921993535,0cyclictest233171-21kworker/0:0+pm21:42:470
143950993434,0cyclictest0-21swapper/920:55:5819
143950993434,0cyclictest0-21swapper/920:11:5919
143950993434,0cyclictest0-21swapper/919:30:5919
14394199340,33cyclictest0-21swapper/619:45:0016
14393199340,33cyclictest0-21swapper/319:48:0013
143921993434,0cyclictest77903-21kworker/0:2+pm20:05:430
143921993434,0cyclictest77903-21kworker/0:2+pm19:43:560
143921993434,0cyclictest233171-21kworker/0:0+pm22:03:580
143921993434,0cyclictest233171-21kworker/0:0+pm21:33:480
143982993333,0cyclictest0-21swapper/1820:27:5810
14398299330,0cyclictest0-21swapper/1820:04:5910
14398299330,0cyclictest0-21swapper/1820:04:5910
14397699330,33cyclictest0-21swapper/1619:37:598
14397399330,0cyclictest0-21swapper/1521:00:587
14397399330,0cyclictest0-21swapper/1520:21:597
14396299330,0cyclictest0-21swapper/1221:09:584
143952993333,0cyclictest0-21swapper/1019:55:432
143952993333,0cyclictest0-21swapper/1019:55:432
143952993333,0cyclictest0-21swapper/1000:00:552
143950993333,0cyclictest0-21swapper/920:33:5819
143950993333,0cyclictest0-21swapper/919:45:5919
14394199330,0cyclictest0-21swapper/620:06:0016
14393199330,33cyclictest0-21swapper/320:28:5813
143921993333,0cyclictest233171-21kworker/0:0+pm21:10:550
143921993332,1cyclictest233171-21kworker/0:0+pm22:57:540
143982993232,0cyclictest0-21swapper/1820:41:5810
143982993231,1cyclictest0-21swapper/1819:57:5910
143982993231,1cyclictest0-21swapper/1819:57:5910
143982993230,1cyclictest252143-21latency_hist21:19:5910
143978993232,0cyclictest0-21swapper/1719:33:599
143976993232,0cyclictest0-21swapper/1620:49:598
143973993232,0cyclictest0-21swapper/1520:14:597
143973993232,0cyclictest0-21swapper/1520:08:007
143971993232,0cyclictest0-21swapper/1421:54:586
14396699320,0cyclictest0-21swapper/1321:10:585
14396299320,32cyclictest0-21swapper/1221:59:584
14395799320,31cyclictest0-21swapper/1119:27:593
143950993232,0cyclictest0-21swapper/922:16:5819
143950993232,0cyclictest0-21swapper/920:43:5819
143950993232,0cyclictest0-21swapper/920:16:0019
143950993232,0cyclictest0-21swapper/919:27:0019
143947993232,0cyclictest0-21swapper/820:31:5818
143947993232,0cyclictest0-21swapper/819:23:5918
14394799320,0cyclictest0-21swapper/820:10:5918
143945993229,3cyclictest0-21swapper/720:51:5817
143941993232,0cyclictest0-21swapper/620:26:5916
143941993232,0cyclictest0-21swapper/620:17:5916
143931993232,0cyclictest0-21swapper/320:48:5813
143921993232,0cyclictest77903-21kworker/0:2+pm19:15:450
143978993131,0cyclictest0-21swapper/1720:40:589
143976993131,0cyclictest0-21swapper/1621:59:598
143976993131,0cyclictest0-21swapper/1621:09:588
143976993131,0cyclictest0-21swapper/1619:46:598
143973993131,0cyclictest0-21swapper/1520:36:587
143971993131,0cyclictest0-21swapper/1421:07:596
143971993131,0cyclictest0-21swapper/1420:59:586
143971993131,0cyclictest0-21swapper/1420:53:586
143971993131,0cyclictest0-21swapper/1419:21:596
143962993131,0cyclictest0-21swapper/1220:19:594
143962993126,4cyclictest1341rcuc/1221:39:594
143957993130,1cyclictest188550irq/149-eno123:20:353
143952993131,0cyclictest0-21swapper/1020:58:582
14395299310,30cyclictest0-21swapper/1023:44:032
14395299310,30cyclictest0-21swapper/1019:18:362
14395299310,0cyclictest0-21swapper/1023:58:362
143947993131,0cyclictest0-21swapper/821:00:5818
143947993131,0cyclictest0-21swapper/820:37:5918
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional