You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2025-07-04 - 02:16

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 #3, slot #5

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
  Eltec
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 rack3slot5s.osadl.org (updated Fri Jul 04, 2025 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182121240sleep02288650irq/29-eth0_g0_23:08:380
121970ksoftirqd/12288750irq/30-eth0_g0_20:33:001
245302730sleep12288650irq/29-eth0_g0_22:29:321
95522640sleep02288650irq/29-eth0_g0_23:42:420
149382590sleep02288750irq/30-eth0_g0_21:52:030
135062560sleep12288650irq/29-eth0_g0_21:44:381
73692550sleep02288750irq/30-eth0_g0_21:19:300
160362550sleep12288750irq/30-eth0_g0_21:55:341
93412510sleep12288650irq/29-eth0_g0_23:40:161
121510ksoftirqd/12288750irq/30-eth0_g0_23:29:460
107602510sleep02288750irq/30-eth0_g0_23:47:290
121500ksoftirqd/164352sleep121:17:581
121490ksoftirqd/12288750irq/30-eth0_g0_20:23:171
121480ksoftirqd/12288650irq/29-eth0_g0_22:13:001
121470ksoftirqd/12288650irq/29-eth0_g0_23:53:471
121460ksoftirqd/12288750irq/30-eth0_g0_23:15:150
121460ksoftirqd/12288650irq/29-eth0_g0_22:46:061
121460ksoftirqd/12288650irq/29-eth0_g0_22:04:071
121450ksoftirqd/12288650irq/29-eth0_g0_00:02:591
121440ksoftirqd/12288650irq/29-eth0_g0_23:21:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional