You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-22 - 15:09

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 100 highest latencies:
System rack1slot6s.osadl.org (updated Wed Apr 22, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991260,7rtkit-daemon0-21swapper/309:53:492
2485991050,7rtkit-daemon0-21swapper/009:03:141
1696821040,5sleep1201ktimersoftd/110:09:411
2893799994,88cyclictest0-21swapper/008:02:460
2893799993,88cyclictest1287-21snmpd09:52:370
2894099984,86cyclictest0-21swapper/309:52:373
2894099954,84cyclictest0-21swapper/308:02:293
2894099954,84cyclictest0-21swapper/308:02:293
2893799954,84cyclictest0-21swapper/007:47:450
2893799953,85cyclictest0-21swapper/010:28:560
248599950,6rtkit-daemon2484-21rtkit-daemon10:06:040
248599950,6rtkit-daemon2484-21rtkit-daemon10:06:040
2894099943,83cyclictest0-21swapper/308:52:423
2893799943,84cyclictest0-21swapper/010:02:070
2893799933,83cyclictest0-21swapper/009:47:180
2893799933,83cyclictest0-21swapper/008:53:010
2893799923,83cyclictest0-21swapper/009:31:140
2893799923,83cyclictest0-21swapper/007:53:390
2893799923,83cyclictest0-21swapper/006:42:590
2893799923,83cyclictest0-21swapper/005:08:070
2894099914,80cyclictest0-21swapper/309:17:573
2894099914,80cyclictest0-21swapper/309:17:573
2894099914,65cyclictest0-21swapper/308:45:243
2893799915,79cyclictest26552-21strings07:12:580
2893799915,79cyclictest26552-21strings07:12:580
2894099904,78cyclictest10945-21df_inode07:37:463
2894099903,79cyclictest30674-21kworker/3:208:17:283
2894099903,79cyclictest0-21swapper/308:18:253
2893799904,80cyclictest0-21swapper/009:09:590
2893799903,81cyclictest0-21swapper/008:32:440
2893799903,80cyclictest11918-21chrt09:13:440
2894099894,78cyclictest0-21swapper/309:15:373
2894099894,77cyclictest21017-21iostat_ios09:27:493
2894099894,63cyclictest0-21swapper/310:12:203
2894099893,79cyclictest0-21swapper/307:49:393
2893799894,78cyclictest0-21swapper/008:17:490
2893799894,78cyclictest0-21swapper/006:22:480
2893799893,80cyclictest0-21swapper/010:15:550
2893799893,80cyclictest0-21swapper/007:09:300
2893799893,78cyclictest16401-21grep06:53:060
2893799893,77cyclictest3703-21diskstats09:02:420
2893799893,77cyclictest14758-21aten_r1power_vo10:07:360
2893799893,50cyclictest0-21swapper/009:34:170
2894099884,77cyclictest0-21swapper/308:50:283
2893799884,77cyclictest0-21swapper/007:28:050
2893799883,79cyclictest0-21swapper/007:37:280
248599880,6rtkit-daemon0-21swapper/006:02:590
2894099874,76cyclictest0-21swapper/310:37:173
2894099874,76cyclictest0-21swapper/310:29:263
2894099873,76cyclictest20593-21cat05:57:353
2894099873,76cyclictest20593-21cat05:57:353
2894099873,68cyclictest6356-21grep09:07:283
28940998711,67cyclictest0-21swapper/307:27:443
2893799874,76cyclictest1287-21snmpd10:22:410
2893799874,76cyclictest0-21swapper/005:47:500
2893799874,76cyclictest0-21swapper/005:47:500
2893799873,78cyclictest25268-21ps07:57:590
2893799873,78cyclictest25268-21ps07:57:590
2893799873,78cyclictest0-21swapper/009:37:340
2893799873,78cyclictest0-21swapper/008:38:010
2893799873,78cyclictest0-21swapper/008:38:010
2893799873,78cyclictest0-21swapper/007:20:270
2893799873,78cyclictest0-21swapper/006:27:490
2893799873,76cyclictest0-21swapper/007:25:250
2893799873,62cyclictest0-21swapper/007:38:510
2894099864,67cyclictest0-21swapper/308:28:203
2893799863,77cyclictest0-21swapper/010:33:500
2893799863,76cyclictest2642-21sensors09:47:550
2893799863,76cyclictest0-21swapper/008:47:410
2893799863,76cyclictest0-21swapper/008:13:220
2893799863,75cyclictest13735-21aten2.4-expect07:42:390
2893799863,75cyclictest0-21swapper/008:28:010
248599860,4rtkit-daemon2484-21rtkit-daemon08:19:162
2894099854,74cyclictest12591-21ntp_states10:02:513
2894099854,74cyclictest12591-21ntp_states10:02:513
2894099854,74cyclictest0-21swapper/308:02:453
2894099854,74cyclictest0-21swapper/306:57:323
2894099854,59cyclictest0-21swapper/308:35:223
2894099853,74cyclictest32210-21cpu08:57:403
2894099853,74cyclictest1419-21runrttasks07:09:433
2894099853,64cyclictest1887-21gltestperf09:47:443
28937998540,38cyclictest0-21swapper/008:42:390
2893799853,76cyclictest0-21swapper/008:57:490
2893799853,75cyclictest0-21swapper/010:17:510
2893799853,75cyclictest0-21swapper/009:19:460
2893799853,75cyclictest0-21swapper/009:19:460
2893799853,63cyclictest0-21swapper/008:26:220
2894099844,73cyclictest0-21swapper/310:24:263
2894099844,73cyclictest0-21swapper/310:17:533
2894099844,71cyclictest17021-21df_abs09:22:413
2894099844,71cyclictest0-21swapper/306:02:363
2894099844,65cyclictest0-21swapper/307:21:023
2894099844,63cyclictest0-21swapper/309:32:333
2894099844,61cyclictest0-21swapper/308:07:453
2894099843,9cyclictest31597-21sort09:42:563
2894099843,67cyclictest0-21swapper/305:37:413
2894099843,52cyclictest1287-21snmpd07:26:343
28940998413,64cyclictest18906-21wc08:37:433
28940998413,64cyclictest18906-21wc08:37:433
2893799844,52cyclictest0-21swapper/009:22:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional