You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-05-13 - 11:53

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 Tue May 13, 2025 00:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1030822293274,12sleep00-21swapper/019:07:500
1032092288255,25sleep50-21swapper/519:09:415
1030852288269,12sleep30-21swapper/319:07:533
1029332287268,12sleep20-21swapper/219:05:442
1031992286257,21sleep60-21swapper/619:09:336
1030832286267,12sleep10-21swapper/119:07:511
1029732285265,13sleep40-21swapper/419:06:174
1012862284265,12sleep70-21swapper/719:05:087
103713994623,22cyclictest0-21swapper/520:10:165
103713994543,2cyclictest257865-21ipmitool00:30:235
103713994543,2cyclictest158733-21sshd21:02:595
103713994442,0cyclictest0-21swapper/523:40:555
103713994441,3cyclictest591rcuc/520:40:155
103713994441,3cyclictest223489-21df23:20:155
103713994441,3cyclictest0-21swapper/521:05:275
103713994423,21cyclictest0-21swapper/519:10:265
103713994423,21cyclictest0-21swapper/500:20:275
103713994423,21cyclictest0-21swapper/500:10:275
103713994422,22cyclictest0-21swapper/522:50:235
103713994421,21cyclictest0-21swapper/522:20:155
103713994341,2cyclictest0-21swapper/523:56:035
103713994341,2cyclictest0-21swapper/522:45:155
103713994321,21cyclictest0-21swapper/523:25:275
103713994320,22cyclictest0-21swapper/520:05:275
103713994318,21cyclictest171rcu_preempt23:05:195
103713994240,0cyclictest0-21swapper/523:32:595
103713994240,0cyclictest0-21swapper/523:32:595
103713994240,0cyclictest0-21swapper/500:03:395
103713994239,3cyclictest0-21swapper/520:48:005
103713994239,3cyclictest0-21swapper/519:28:435
103713994238,2cyclictest591rcuc/520:29:515
103713994221,21cyclictest0-21swapper/522:09:035
103713994220,22cyclictest0-21swapper/519:20:265
103708994239,2cyclictest196548-21kworker/0:0+events00:20:270
103713994139,2cyclictest0-21swapper/521:35:155
103713994139,0cyclictest0-21swapper/521:53:475
103713994138,3cyclictest591rcuc/519:40:155
103713994138,3cyclictest16-21pr/tty021:58:395
103713994138,3cyclictest0-21swapper/520:50:555
103713994137,4cyclictest0-21swapper/522:35:235
103713994120,21cyclictest0-21swapper/520:00:285
103713994119,21cyclictest674172-21in:imklog00:18:515
103708994139,2cyclictest77573-21kworker/0:2+events19:10:270
103708994138,2cyclictest196548-21kworker/0:0+events22:50:230
103713994038,2cyclictest0-21swapper/522:55:075
103713994038,2cyclictest0-21swapper/521:14:565
103713994038,0cyclictest0-21swapper/522:15:155
103713994036,4cyclictest0-21swapper/523:36:355
103713994036,4cyclictest0-21swapper/522:33:075
103713994036,4cyclictest0-21swapper/522:13:275
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional