You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-06-12 - 14:20

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 #8, 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
  
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 50 highest latencies:
System rack8slot6s.osadl.org (updated Thu Jun 12, 2025 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6442991919,0cyclictest66850irq/125-lan22:55:010
6442991918,1cyclictest66850irq/125-lan23:25:160
6442991918,1cyclictest66850irq/125-lan23:15:160
6442991918,1cyclictest66850irq/125-lan22:40:180
6442991918,1cyclictest66850irq/125-lan22:15:170
6442991918,1cyclictest66850irq/125-lan21:30:370
6442991918,1cyclictest66850irq/125-lan21:10:220
6442991818,0cyclictest66850irq/125-lan23:53:590
6442991818,0cyclictest66850irq/125-lan23:21:410
6442991818,0cyclictest66850irq/125-lan22:10:000
6442991817,1cyclictest66850irq/125-lan23:47:070
6442991817,1cyclictest66850irq/125-lan23:38:280
6442991817,1cyclictest66850irq/125-lan23:13:370
6442991817,1cyclictest66850irq/125-lan22:55:160
6442991817,1cyclictest66850irq/125-lan22:36:420
6442991817,1cyclictest66850irq/125-lan22:09:130
6442991817,1cyclictest66850irq/125-lan22:03:140
6442991817,1cyclictest66850irq/125-lan21:54:580
6442991817,1cyclictest66850irq/125-lan21:46:000
6442991817,1cyclictest66850irq/125-lan21:20:140
6442991817,1cyclictest66850irq/125-lan00:36:240
6442991817,1cyclictest66850irq/125-lan00:07:240
6442991717,0cyclictest66850irq/125-lan23:55:110
6442991717,0cyclictest66850irq/125-lan23:40:020
6442991717,0cyclictest66850irq/125-lan21:40:470
6442991717,0cyclictest66850irq/125-lan21:15:000
6442991717,0cyclictest66850irq/125-lan19:30:140
6442991716,1cyclictest66850irq/125-lan23:31:100
6442991716,1cyclictest66850irq/125-lan23:01:330
6442991716,1cyclictest66850irq/125-lan22:45:130
6442991716,1cyclictest66850irq/125-lan22:30:190
6442991716,1cyclictest66850irq/125-lan22:25:290
6442991716,1cyclictest66850irq/125-lan22:23:440
6442991716,1cyclictest66850irq/125-lan21:26:430
6442991716,1cyclictest66850irq/125-lan00:12:350
6442991716,1cyclictest66850irq/125-lan00:01:280
6442991616,0cyclictest66850irq/125-lan23:06:160
6442991616,0cyclictest66850irq/125-lan21:35:430
6442991616,0cyclictest66850irq/125-lan20:40:160
6442991616,0cyclictest66850irq/125-lan20:20:190
6442991616,0cyclictest66850irq/125-lan20:10:230
6442991616,0cyclictest66850irq/125-lan19:35:170
6442991616,0cyclictest66850irq/125-lan00:20:300
6442991616,0cyclictest66850irq/125-lan00:15:190
6442991615,1cyclictest66850irq/125-lan21:55:160
6442991615,1cyclictest66850irq/125-lan20:45:180
6442991615,1cyclictest66850irq/125-lan20:15:170
6442991615,1cyclictest66850irq/125-lan00:31:210
6442991615,1cyclictest66850irq/125-lan00:25:200
6442991515,0cyclictest66850irq/125-lan21:05:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional