You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-02 - 18:12

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 #5, 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
  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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4s.osadl.org (updated Thu Jul 02, 2026 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
48624899184167,14cyclictest0-21swapper/010:40:010
48625799172168,2cyclictest0-21swapper/210:40:012
486253996559,4cyclictest646556-21kworker/u8:2+events_unbound09:45:291
486253996154,5cyclictest721930-21kworker/u8:4+events_unbound12:05:271
486253995953,4cyclictest679833-21kworker/u8:2+events_unbound12:25:251
486253995750,5cyclictest721930-21kworker/u8:4+events_unbound11:50:221
4928592550,1sleep1492863-21grep07:15:041
486253995551,3cyclictest627633-21kworker/u8:3+events_unbound09:40:311
486253995450,3cyclictest651510-21kworker/u8:0+flush-8:009:50:321
486253995449,4cyclictest721930-21kworker/u8:4+flush-8:012:10:291
486253995448,5cyclictest601694-21kworker/u8:1+events_unbound09:25:241
486253995348,4cyclictest721930-21kworker/u8:4+flush-8:011:35:271
486253995348,4cyclictest601694-21kworker/u8:1+events_unbound09:55:251
486253995348,3cyclictest679833-21kworker/u8:2+events_unbound11:30:241
486253995245,6cyclictest3840457-21kworker/u8:0+flush-8:008:25:261
486253995244,5cyclictest601694-21kworker/u8:1+flush-8:009:00:291
486248995242,7cyclictest742380-21latency_hist11:25:010
486248995242,7cyclictest742380-21latency_hist11:25:010
486248995240,9cyclictest747847-21diskstats11:30:120
486253995145,4cyclictest601694-21kworker/u8:1+events_unbound09:20:131
486253995040,8cyclictest576598-21ntpq08:35:231
486253994944,4cyclictest679833-21kworker/u8:2+events_unbound11:15:271
486253994944,4cyclictest679833-21kworker/u8:2+events_unbound11:15:271
486253994844,3cyclictest727108-21kworker/u8:0+flush-8:011:20:261
486253994844,3cyclictest727108-21kworker/u8:0+flush-8:011:20:251
486253994844,3cyclictest627633-21kworker/u8:3+flush-8:010:05:281
486253994843,4cyclictest679833-21kworker/u8:2+events_unbound12:30:131
486253994843,4cyclictest679833-21kworker/u8:2+events_unbound11:45:261
486253994842,5cyclictest601694-21kworker/u8:1+events_unbound09:15:261
486253994743,3cyclictest517855-21kworker/u8:3+flush-8:008:10:281
486248994737,8cyclictest490200-21ntpq07:10:230
486253994641,4cyclictest679833-21kworker/u8:2+flush-8:010:30:161
486253994641,4cyclictest3840457-21kworker/u8:0+flush-8:007:10:251
486253994641,3cyclictest627633-21kworker/u8:3+events_unbound10:10:271
486253994640,4cyclictest601694-21kworker/u8:1+events_unbound09:05:241
486253994539,5cyclictest651510-21kworker/u8:0+events_unbound11:00:141
486248994539,4cyclictest601694-21kworker/u8:1+events_unbound09:55:220
486253994440,3cyclictest540453-21kworker/u8:2+flush-8:009:10:251
486253994439,3cyclictest651510-21kworker/u8:0+events_unbound10:45:231
486253994435,7cyclictest526845-21ntpq07:45:231
486248994434,8cyclictest731446-21ntpq11:10:220
486253994339,3cyclictest721930-21kworker/u8:4+flush-8:011:40:321
486253994339,3cyclictest540453-21kworker/u8:2+flush-8:008:50:301
486253994339,3cyclictest3846125-21kworker/u8:2+flush-8:007:30:261
486253994338,3cyclictest517855-21kworker/u8:3+events_unbound08:10:001
486253994336,4cyclictest679833-21kworker/u8:2+events_unbound11:05:241
486253994332,8cyclictest1704890-21systemd-journal12:18:431
486253994238,3cyclictest517855-21kworker/u8:3+flush-8:008:15:111
486253994238,3cyclictest3840457-21kworker/u8:0+flush-8:008:40:261
486253994236,5cyclictest679833-21kworker/u8:2+events_unbound10:55:151
486253994236,4cyclictest679833-21kworker/u8:2+events_unbound10:25:131
486248994235,5cyclictest3846125-21kworker/u8:2+flush-8:007:20:230
486253994137,3cyclictest721930-21kworker/u8:4+events_unbound11:25:121
486253994137,3cyclictest3846125-21kworker/u8:2+flush-8:007:25:281
486253994136,4cyclictest517855-21kworker/u8:3+events_unbound08:20:261
486253994135,5cyclictest727108-21kworker/u8:0+events_unbound11:10:111
486253994036,3cyclictest721930-21kworker/u8:4+flush-8:011:55:251
486257993933,4cyclictest646556-21kworker/u8:2+flush-8:009:50:132
486253993935,3cyclictest3840457-21kworker/u8:0+flush-8:008:30:161
486253993935,3cyclictest3840457-21kworker/u8:0+flush-8:007:40:201
486253993934,3cyclictest679833-21kworker/u8:2+events_unbound10:35:231
486253993931,6cyclictest542644-21latency_hist08:05:011
486253993931,6cyclictest542644-21latency_hist08:05:011
486248993934,4cyclictest627633-21kworker/u8:3+events_unbound09:45:180
486253993831,5cyclictest802080-21latency_hist12:25:011
486248993832,5cyclictest679833-21kworker/u8:2+events_unbound11:45:270
486253993732,3cyclictest582343-21kworker/u8:3+events_unbound08:59:421
486253993632,3cyclictest707452-21kworker/u8:1+events_unbound10:50:441
486253993632,3cyclictest627633-21kworker/u8:3+events_unbound10:15:231
486248993625,9cyclictest658674-21kthreadcore10:00:180
486257993530,3cyclictest679833-21kworker/u8:2+events_unbound11:10:432
486253993531,3cyclictest627633-21kworker/u8:3+events_unbound09:35:281
486253993531,3cyclictest486102-21kworker/u8:1+events_unbound07:55:111
486253993531,3cyclictest486102-21kworker/u8:1+events_unbound07:55:111
486257993429,4cyclictest679833-21kworker/u8:2+events_unbound12:30:292
486253993429,3cyclictest697770-21kworker/u8:3+events_unbound10:40:211
486253993428,4cyclictest601694-21kworker/u8:1+events_unbound10:00:171
486248993427,5cyclictest512487-21grep07:30:310
486257993328,4cyclictest1704890-21systemd-journal10:35:002
486257993327,4cyclictest540453-21kworker/u8:2+flush-8:008:45:282
486257993228,3cyclictest679833-21kworker/u8:2+flush-8:010:20:282
486253993227,4cyclictest679833-21kworker/u8:2+events_unbound10:20:461
48624899325,25cyclictest491152-21kworker/0:0+events10:05:210
486248993227,4cyclictest3840457-21kworker/u8:0+flush-8:008:30:310
486248993226,4cyclictest637131-21unixbench_singl09:35:310
486248993226,4cyclictest582343-21kworker/u8:3+flush-8:008:45:150
486248993225,5cyclictest679833-21kworker/u8:2+events_unbound10:50:120
486248993224,6cyclictest3840457-21kworker/u8:0+flush-8:007:40:240
486248993224,6cyclictest1704890-21systemd-journal07:55:000
486257993126,4cyclictest517810-21idleruntime-cro07:40:002
486253993127,3cyclictest601694-21kworker/u8:1+events_unbound09:30:131
486253993127,3cyclictest3846125-21kworker/u8:2+flush-8:007:20:301
486253993126,4cyclictest679833-21kworker/u8:2+events_unbound12:35:171
486248993127,3cyclictest791919-21cron12:15:010
486248993127,3cyclictest679833-21kworker/u8:2+flush-8:010:30:300
486248993127,2cyclictest642526-21systemd-run09:45:000
486248993126,3cyclictest885-21mta-sts-daemon12:25:140
486248993124,5cyclictest651510-21kworker/u8:0+flush-8:010:55:310
486257993024,4cyclictest562449-21apt-get08:25:032
486253993026,3cyclictest540453-21kworker/u8:2+events_unbound08:49:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional