You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-10 - 22:15

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 Wed Jun 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1211020ksoftirqd/1121650irq/29-eth0_g0_10:50:471
204172620sleep1121750irq/30-eth0_g0_10:54:581
121620ksoftirqd/1160152sleep008:24:370
89572580sleep0121650irq/29-eth0_g0_12:21:420
135942580chrt121650irq/29-eth0_g0_10:29:270
126712580sleep1121750irq/30-eth0_g0_12:37:161
177342540sleep1121750irq/30-eth0_g0_10:44:371
278472530sleep0121650irq/29-eth0_g0_11:26:000
121530ksoftirqd/1121750irq/30-eth0_g0_09:54:370
108842530sleep1121750irq/30-eth0_g0_12:29:331
121510ksoftirqd/1121750irq/30-eth0_g0_11:08:341
121490ksoftirqd/1121650irq/29-eth0_g0_11:59:180
121480ksoftirqd/1121750irq/30-eth0_g0_12:27:091
121480ksoftirqd/1121750irq/30-eth0_g0_11:26:591
121480ksoftirqd/1121750irq/30-eth0_g0_11:00:000
121480ksoftirqd/1121750irq/30-eth0_g0_11:00:000
121470ksoftirqd/1121750irq/30-eth0_g0_12:08:271
121470ksoftirqd/1121750irq/30-eth0_g0_11:12:471
121470ksoftirqd/1121750irq/30-eth0_g0_09:48:531
121470ksoftirqd/1121650irq/29-eth0_g0_12:07:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional