You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-19 - 08:54

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 #e, 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
  TI
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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackeslot6s.osadl.org (updated Fri Dec 19, 2025 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3064782997737,9cyclictest0-21swapper/222:00:292
3064782997737,9cyclictest0-21swapper/222:00:282
3064782997547,5cyclictest3121068-21munin-plugin-st00:40:002
3064782996835,6cyclictest3100681-21munin-plugin-st22:40:012
3064782996835,6cyclictest3100681-21munin-plugin-st22:40:012
3064778995546,5cyclictest3069245-21munin-plugin-st19:35:001
306477899551,42cyclictest0-21swapper/123:55:011
306477899541,34cyclictest0-21swapper/100:05:011
306477899531,38cyclictest0-21swapper/120:00:011
3064778995230,12cyclictest0-21swapper/122:05:291
3064782995142,5cyclictest3076840-21cat20:19:592
3064778995041,6cyclictest3106594-21munin-plugin-st23:15:001
306477899502,24cyclictest0-21swapper/100:00:021
306477899501,26cyclictest0-21swapper/120:30:011
306477899501,26cyclictest0-21swapper/120:30:011
306477699503,7cyclictest3106036-21/usr/sbin/munin23:10:210
3064782994939,5cyclictest0-21swapper/220:25:012
3064782994934,10cyclictest3085325-21grep21:05:292
306477699483,42cyclictest3089332-21proc_pri21:30:280
3064776994730,11cyclictest0-21swapper/000:25:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional