You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-04 - 08:45

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 #f, 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
  
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 rackfslot4s.osadl.org (updated Mon Nov 04, 2024 00:44:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3012821210,3chrt29968-21apt-get22:20:480
185421200,3chrt1855-21sh19:24:470
3059521120,3chrt30594-21grep20:20:470
1636021100,2chrt16358-21ssh22:53:230
1135721100,2chrt11356-21ssh23:42:410
3180521070,2chrt31806-21sh19:19:580
417621060,3chrt4177-21sh23:30:210
983921040,2sleep09840-21mktemp19:40:210
327121020,1sleep03272-21basename22:30:330
1862621020,2chrt18627-21latency_hist22:00:080
83152870,2sleep08317-21cut20:40:440
217702850,2chrt21766-21memory21:05:500
126812850,3chrt12596-21apt-get23:45:310
188912840,2sleep018889-21python319:56:250
94952810,2sleep09498-21sed21:42:460
91082770,1sleep09109-21forks22:41:150
2679190775,62cyclictest27556-21ps00:11:460
60032760,2sleep06004-21cat00:31:080
294432750,1sleep029445-21ntp_offset23:16:440
2679190756,50cyclictest28405-21users19:11:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional