You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-13 - 10:08

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 #7, slot #3

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.

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 50 highest latencies:
System rack7slot3s.osadl.org (updated Sun Jul 13, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1676321730,5sleep01031699cyclictest23:57:360
10316991333,114cyclictest0-21swapper/021:15:150
103169911145,49cyclictest0-21swapper/022:00:200
62772980,2sleep06280-21grep23:00:270
52592930,5sleep11031799cyclictest23:00:041
10316998553,7cyclictest0-21swapper/023:05:190
10316998517,52cyclictest11104-21fschecks_count23:50:220
10316998517,52cyclictest11104-21fschecks_count23:50:220
1031699794,38cyclictest0-21swapper/022:35:200
1031699791,68cyclictest17786-21netstat23:15:260
1031799783,50cyclictest7850irq/56-dwc_otg22:35:201
171102770,2sleep21031899cyclictest21:47:302
171102770,2sleep21031899cyclictest21:47:302
10316997727,11cyclictest0-21swapper/022:40:140
154802760,5sleep11031799cyclictest22:30:211
145802760,4sleep123-21ksoftirqd/121:44:511
1031699766,62cyclictest0-21swapper/020:20:180
285252730,2sleep10-21swapper/120:00:091
10316997319,43cyclictest0-21swapper/022:11:370
180572720,5sleep31031999cyclictest21:49:403
180572720,5sleep31031999cyclictest21:49:403
1031699723,61cyclictest2618-21ssh21:27:240
10316997222,37cyclictest8050irq/56-dwc_otg_20:11:510
10316997217,3cyclictest0-21swapper/023:20:300
1031699721,49cyclictest25931-21sort00:10:220
1031699713,47cyclictest0-21swapper/021:20:160
1031699713,16cyclictest4473-21rm22:58:370
1031699702,57cyclictest0-21swapper/000:39:270
313422680,5sleep01031699cyclictest22:50:330
1031699682,46cyclictest0-21swapper/020:40:340
1031699682,46cyclictest0-21swapper/020:40:340
10316996821,40cyclictest0-21swapper/022:10:010
10316996819,34cyclictest7850irq/56-dwc_otg00:30:240
10316996819,34cyclictest7850irq/56-dwc_otg00:30:240
1031699681,47cyclictest5676-21sed22:15:350
1031699681,47cyclictest5676-21sed22:15:350
1031699681,17cyclictest17827-21/usr/sbin/munin19:30:200
10316996714,43cyclictest0-21swapper/021:54:500
1031699671,18cyclictest0-21swapper/000:23:170
10316996619,33cyclictest7950irq/56-dwc_otg_19:51:470
10316996616,4cyclictest0-21swapper/019:38:330
1031699661,53cyclictest5434-21runrttasks23:42:140
1031699661,46cyclictest15176-21grep19:20:350
1031699661,16cyclictest0-21swapper/019:45:280
1031699655,10cyclictest0-21swapper/023:36:460
10316996520,36cyclictest0-21swapper/000:28:270
1031699651,14cyclictest0-21swapper/021:55:230
1031699642,50cyclictest0-21swapper/000:01:090
1031699641,51cyclictest0-21swapper/023:10:050
1031699641,18cyclictest0-21swapper/022:27:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional