You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-11-21 - 15:46

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 #0, slot #0

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 r0s0s.osadl.org (updated Fri Nov 21, 2025 12:46:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2590642302264,12sleep40-21swapper/407:08:514
2589822297278,12sleep70-21swapper/707:07:417
2590332289272,11sleep00-21swapper/007:08:230
2589462287268,12sleep30-21swapper/307:07:133
2589352287265,14sleep10-21swapper/107:07:031
2589452286267,12sleep20-21swapper/207:07:132
2589022285266,12sleep60-21swapper/607:06:366
2588352285266,12sleep50-21swapper/507:05:395
259635993331,2cyclictest393396-21ntpq11:45:247
25963599330,31cyclictest0-21swapper/711:08:157
259634993330,2cyclictest833-21snmpd07:19:446
25963499330,31cyclictest0-21swapper/607:57:256
259633993330,2cyclictest378846-21cat11:15:145
259632993330,2cyclictest833-21snmpd11:18:164
259632993330,2cyclictest333008-21cat09:40:154
259630993330,2cyclictest833-21snmpd12:31:182
259630993330,2cyclictest833-21snmpd07:42:062
259630993327,5cyclictest833-21snmpd11:10:462
25963099330,32cyclictest0-21swapper/210:46:002
25963099330,31cyclictest0-21swapper/212:36:332
25963099330,30cyclictest0-21swapper/208:07:352
259628993330,2cyclictest833-21snmpd08:13:371
25962899330,30cyclictest0-21swapper/108:41:261
259625993329,3cyclictest0-21swapper/007:32:270
259635993230,2cyclictest833-21snmpd11:00:007
259635993230,2cyclictest833-21snmpd10:16:247
259635993230,2cyclictest833-21snmpd10:16:237
259635993230,2cyclictest833-21snmpd09:29:517
259635993229,2cyclictest833-21snmpd12:10:247
259635993229,2cyclictest833-21snmpd12:10:247
25963599320,31cyclictest0-21swapper/712:07:547
25963599320,31cyclictest0-21swapper/712:07:547
259634993230,2cyclictest833-21snmpd11:08:006
259634993230,2cyclictest833-21snmpd10:04:086
259634993230,2cyclictest833-21snmpd08:22:376
259634993230,2cyclictest833-21snmpd08:22:376
259634993230,2cyclictest833-21snmpd07:51:306
259634993230,2cyclictest395585-21cat11:50:146
259634993229,2cyclictest833-21snmpd09:30:096
259634993229,2cyclictest833-21snmpd09:25:036
259633993230,1cyclictest833-21snmpd07:43:125
259633993229,2cyclictest417087-21cat12:35:135
259632993230,1cyclictest833-21snmpd10:25:594
259632993230,1cyclictest833-21snmpd09:48:584
259632993229,2cyclictest833-21snmpd07:45:214
259631993230,1cyclictest833-21snmpd07:47:573
259631993229,2cyclictest833-21snmpd09:59:313
259631993229,2cyclictest833-21snmpd07:57:433
25963199320,31cyclictest0-21swapper/311:42:233
25963199320,31cyclictest0-21swapper/309:27:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional