You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-18 - 11:53

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 #4

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 rack0slot4s.osadl.org (updated Thu Jun 18, 2026 00:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25624742368325,13sleep80-21swapper/819:06:5314
25624632362354,5sleep140-21swapper/1419:06:436
25626852356317,14sleep00-21swapper/019:09:420
25624002356319,30sleep130-21swapper/1319:05:545
25625402355335,13sleep120-21swapper/1219:07:454
25627022353331,14sleep150-21swapper/1519:09:577
25625752352331,14sleep110-21swapper/1119:08:163
25626462351330,14sleep50-21swapper/519:09:1511
25625122348328,13sleep70-21swapper/719:07:2413
25626862347327,13sleep10-21swapper/119:09:431
25625662347328,13sleep40-21swapper/419:08:0910
25624082345326,13sleep20-21swapper/219:05:598
25624692343323,13sleep30-21swapper/319:06:489
25625152342321,14sleep100-21swapper/1019:07:272
25626682341320,14sleep60-21swapper/619:09:3212
25589802339318,13sleep90-21swapper/919:05:0115
2563137991062,14cyclictest0-21swapper/1019:54:012
2563113999235,29cyclictest0-21swapper/219:54:028
2563109998424,29cyclictest0-21swapper/119:54:011
2563134998325,29cyclictest0-21swapper/919:54:0215
2563119994140,1cyclictest2906616-21kworker/4:0-events00:28:3710
2563119994040,0cyclictest0-21swapper/423:08:3310
2563140993811,27cyclictest0-21swapper/1119:54:023
2563121993824,14cyclictest70-21ksoftirqd/519:54:0111
2563115993837,1cyclictest3318-21Xorg19:54:029
2563119993736,1cyclictest2878890-21kworker/4:1-events00:07:5510
2563115993636,0cyclictest0-21swapper/300:12:579
2563113993629,6cyclictest2814665-21latency23:05:178
2563119993535,0cyclictest0-21swapper/420:20:2110
2563113993531,2cyclictest2822639-21kworker/u32:1+flush-259:023:25:258
2563109993535,0cyclictest0-21swapper/123:54:351
2563109993535,0cyclictest0-21swapper/123:54:351
2563121993434,0cyclictest0-21swapper/500:12:5711
2563113993430,2cyclictest2667015-21kworker/u32:4+events_unbound22:18:238
256311399342,31cyclictest2795634-21kworker/u32:3+flush-259:023:02:398
256315099339,11cyclictest0-21swapper/1423:15:406
256315099339,11cyclictest0-21swapper/1422:31:446
256315099339,11cyclictest0-21swapper/1421:47:486
256312999330,1cyclictest0-21swapper/700:36:1313
2563121993333,0cyclictest0-21swapper/523:08:3311
2563121993333,0cyclictest0-21swapper/521:19:4911
2563121993333,0cyclictest0-21swapper/519:21:2911
2563121993333,0cyclictest0-21swapper/500:28:3711
2563119993333,0cyclictest0-21swapper/400:00:1610
2563115993333,0cyclictest0-21swapper/323:55:159
2563115993333,0cyclictest0-21swapper/323:55:159
2563115993333,0cyclictest0-21swapper/322:37:179
2563115993333,0cyclictest0-21swapper/321:19:499
2563115993328,4cyclictest511ktimers/322:46:179
2563113993329,2cyclictest2757171-21kworker/u32:1+events_unbound22:25:298
2563109993333,0cyclictest0-21swapper/100:18:451
2563109993332,1cyclictest2891795-21kworker/u32:0+events_unbound00:10:181
256315099328,11cyclictest0-21swapper/1422:42:436
256315099328,11cyclictest0-21swapper/1422:09:466
2563150993210,9cyclictest0-21swapper/1400:21:346
2563144993230,2cyclictest2613861-21kworker/u32:0+flush-259:021:00:174
256313499320,29cyclictest0-21swapper/920:50:1515
256313499320,29cyclictest0-21swapper/920:50:1515
2563121993232,0cyclictest0-21swapper/523:55:1511
2563121993232,0cyclictest0-21swapper/523:55:1511
2563121993232,0cyclictest0-21swapper/500:04:5111
2563121993227,4cyclictest0-21swapper/522:46:1711
2563119993232,0cyclictest0-21swapper/420:59:1110
2563119993232,0cyclictest0-21swapper/419:42:0110
256311999322,30cyclictest0-21swapper/423:11:5310
2563115993232,0cyclictest0-21swapper/321:49:019
2563115993232,0cyclictest0-21swapper/321:36:159
256311399320,29cyclictest0-21swapper/223:56:278
256311399320,29cyclictest0-21swapper/223:56:278
256311399320,29cyclictest0-21swapper/223:50:168
256311399320,29cyclictest0-21swapper/223:50:158
256311399320,29cyclictest0-21swapper/223:45:338
256311399320,29cyclictest0-21swapper/223:43:298
256311399320,29cyclictest0-21swapper/223:39:098
256311399320,29cyclictest0-21swapper/223:20:518
256311399320,29cyclictest0-21swapper/223:15:018
256311399320,29cyclictest0-21swapper/223:13:338
256311399320,29cyclictest0-21swapper/222:55:098
256311399320,29cyclictest0-21swapper/222:45:318
256311399320,29cyclictest0-21swapper/222:41:098
256311399320,29cyclictest0-21swapper/222:23:458
256311399320,29cyclictest0-21swapper/221:58:478
256311399320,29cyclictest0-21swapper/221:51:198
256311399320,29cyclictest0-21swapper/221:43:458
256311399320,29cyclictest0-21swapper/221:31:118
256311399320,29cyclictest0-21swapper/221:18:038
256311399320,29cyclictest0-21swapper/221:10:558
256311399320,29cyclictest0-21swapper/220:35:178
256311399320,29cyclictest0-21swapper/200:30:138
256311399320,29cyclictest0-21swapper/200:17:428
256311399320,29cyclictest0-21swapper/200:14:498
256311399320,29cyclictest0-21swapper/200:05:338
256311399320,29cyclictest0-21swapper/200:04:218
256315399310,30cyclictest0-21swapper/1523:13:267
256315099317,13cyclictest0-21swapper/1420:19:566
256315099317,11cyclictest0-21swapper/1423:48:376
2563150993130,1cyclictest2673486-21nodev-device-ev21:15:176
2563150993130,1cyclictest1774-21snmpd21:43:156
256314499310,30cyclictest0-21swapper/1221:59:394
256314099310,30cyclictest0-21swapper/1123:33:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional