You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-14 - 00:12

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 Mon Jul 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24306991054,93cyclictest21508-21expr10:07:250
243119910118,64cyclictest20283-21switchtime10:52:343
2431199994,56cyclictest0-21swapper/308:27:273
2430699993,89cyclictest0-21swapper/010:46:320
2431099963,58cyclictest12485-21aten_r1power_en09:07:182
2430699964,84cyclictest0-21swapper/008:37:430
2430699954,84cyclictest0-21swapper/010:32:260
2430699954,84cyclictest0-21swapper/010:32:260
2430699954,83cyclictest0-21swapper/009:07:070
2430699943,84cyclictest0-21swapper/010:27:250
2430699943,84cyclictest0-21swapper/009:47:260
2430699934,82cyclictest30765-21munin-node10:22:160
2430699934,14cyclictest0-21swapper/011:52:300
24306999311,73cyclictest0-21swapper/010:57:180
2431199924,81cyclictest0-21swapper/311:42:133
2431199924,71cyclictest0-21swapper/311:51:383
2430699924,69cyclictest0-21swapper/011:16:170
2430699924,69cyclictest0-21swapper/011:16:170
2430699924,14cyclictest0-21swapper/009:32:200
2430699923,82cyclictest18928-21grep08:27:420
2430699914,67cyclictest0-21swapper/009:52:190
2430699913,12cyclictest0-21swapper/011:25:150
2431199904,78cyclictest0-21swapper/309:47:333
2430699904,14cyclictest0-21swapper/007:47:410
2430699903,9cyclictest9795-21grep07:02:330
2430699903,80cyclictest23952-21open_inodes09:22:370
2430699903,80cyclictest0-21swapper/011:32:410
2430699903,80cyclictest0-21swapper/011:07:030
2430699903,79cyclictest2930-21munin-node07:57:200
2430699903,79cyclictest11100-21ssh11:27:250
2430699903,12cyclictest0-21swapper/006:57:370
2431199894,77cyclictest0-21swapper/311:07:253
2431199894,77cyclictest0-21swapper/309:40:183
2431199894,77cyclictest0-21swapper/308:57:203
24311998920,63cyclictest10401-21ntp_offset09:02:353
2430699894,9cyclictest1227-21runrttasks10:18:290
2430699894,14cyclictest0-21swapper/011:37:260
2430699894,12cyclictest0-21swapper/008:47:200
2430699894,10cyclictest0-21swapper/009:07:250
2430699893,9cyclictest6380-21ssh11:21:570
2430699893,12cyclictest0-21swapper/008:32:240
2431199885,76cyclictest0-21swapper/310:32:193
2431199885,76cyclictest0-21swapper/310:32:193
2431199885,74cyclictest0-21swapper/309:22:203
2431199884,61cyclictest0-21swapper/310:43:313
2431199884,53cyclictest0-21swapper/309:57:053
2430699884,15cyclictest0-21swapper/009:01:130
2430699884,14cyclictest0-21swapper/010:53:550
2430699884,13cyclictest0-21swapper/010:47:340
2430699884,11cyclictest0-21swapper/008:07:350
24306998813,9cyclictest1827-21head06:47:260
219499880,6rtkit-daemon2193-21rtkit-daemon09:11:203
219499880,5rtkit-daemon2193-21rtkit-daemon10:40:462
2431199875,74cyclictest0-21swapper/309:12:403
2431199875,74cyclictest0-21swapper/309:12:403
2431199874,76cyclictest0-21swapper/309:37:063
2431199874,75cyclictest0-21swapper/310:16:303
2431199873,8cyclictest1398-21timerandwakeup11:12:363
2431199873,8cyclictest1398-21timerandwakeup11:12:363
2431199873,77cyclictest0-21swapper/310:39:103
2430699874,75cyclictest0-21swapper/009:27:350
2430699874,64cyclictest0-21swapper/011:42:310
2430699874,60cyclictest0-21swapper/009:12:330
2430699874,60cyclictest0-21swapper/009:12:330
2430699874,14cyclictest0-21swapper/009:37:270
2430699874,13cyclictest0-21swapper/011:47:210
2430699874,13cyclictest0-21swapper/011:07:240
2430699874,12cyclictest0-21swapper/008:44:350
2431199864,74cyclictest0-21swapper/310:05:303
2431199864,74cyclictest0-21swapper/307:07:253
2431199864,74cyclictest0-21swapper/307:07:253
2431199864,54cyclictest0-21swapper/308:47:203
24311998618,44cyclictest21267-21ssh10:07:233
24311998615,48cyclictest0-21swapper/311:23:573
2430699864,69cyclictest0-21swapper/010:39:310
2430699864,61cyclictest0-21swapper/009:43:170
2430699864,36cyclictest0-21swapper/010:16:130
2430699863,76cyclictest0-21swapper/007:17:180
2430699863,13cyclictest0-21swapper/009:20:270
2430699863,11cyclictest0-21swapper/009:57:330
2431199854,74cyclictest0-21swapper/311:06:533
2431199854,73cyclictest0-21swapper/311:02:023
2431199854,66cyclictest0-21swapper/307:57:103
2431199854,59cyclictest0-21swapper/309:19:203
2431199853,75cyclictest0-21swapper/311:37:323
24311998521,42cyclictest0-21swapper/310:20:493
2430699854,14cyclictest0-21swapper/007:31:510
2430699854,14cyclictest0-21swapper/006:37:280
2430699854,14cyclictest0-21swapper/006:32:300
2430699854,13cyclictest0-21swapper/007:22:340
2430699853,14cyclictest0-21swapper/010:05:250
2431199849,53cyclictest0-21swapper/310:26:413
2431199844,72cyclictest7478-21turbostat.cron08:07:103
2431199844,72cyclictest0-21swapper/311:36:083
2430699844,62cyclictest0-21swapper/008:55:060
2430699844,58cyclictest0-21swapper/007:32:250
2430699844,14cyclictest0-21swapper/006:27:350
2430699844,14cyclictest0-21swapper/006:27:350
2430699844,12cyclictest0-21swapper/008:12:210
2430699843,74cyclictest0-21swapper/007:37:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional