You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-27 - 13:18

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 #3

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
  TQ-Systems
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.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rack3slot3s.osadl.org (updated Fri Mar 27, 2026 00:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2613882212852,71sleep30-21swapper/33
261367028567,12sleep20-21swapper/22
261359628464,11sleep10-21swapper/11
261385428161,14sleep00-21swapper/00
261402599230,18cyclictest29253172sleep33
261402599221,17cyclictest2663805-21taskset3
261402599221,17cyclictest2663805-21taskset3
29547242211,9sleep12954947-21hddtemp_smartct1
2614025992117,2cyclictest0-21swapper/33
2614025992116,3cyclictest0-21swapper/33
2614025992112,5cyclictest0-21swapper/33
2614025992111,7cyclictest2845829-21chrt3
2614025992111,6cyclictest66950irq/132-enp1s0-TxRx-33
2614025992016,2cyclictest0-21swapper/33
261402599201,15cyclictest0-21swapper/33
261402599200,1cyclictest0-21swapper/33
302393921913,2sleep23014860-21kworker/2:0+events_freezable2
261402599191,6cyclictest3015747-21taskset3
2614025991916,1cyclictest0-21swapper/33
261402599191,15cyclictest2977081-21taskset3
261402599191,15cyclictest0-21swapper/33
261402599191,15cyclictest0-21swapper/33
261402599191,15cyclictest0-21swapper/33
2614025991911,4cyclictest28260892sleep33
261402599191,14cyclictest0-21swapper/33
261402599191,14cyclictest0-21swapper/33
2614025991910,6cyclictest2838434-21taskset3
2614025991910,6cyclictest2812035-21taskset3
261402599190,15cyclictest66950irq/132-enp1s0-TxRx-33
261402599190,15cyclictest3005063-21taskset3
28393682181,3sleep00-21swapper/00
27582212181,6sleep12758287-21ntpq1
261402599188,6cyclictest2696157-21turbostat3
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,14cyclictest0-21swapper/33
261402599181,13cyclictest0-21swapper/33
261402599181,13cyclictest0-21swapper/33
261402599181,12cyclictest2744635-21sleep3
261402599180,15cyclictest0-21swapper/33
261402599180,15cyclictest0-21swapper/33
261402599180,15cyclictest0-21swapper/33
261402599180,14cyclictest0-21swapper/33
30314482171,3sleep00-21swapper/00
29763942171,4sleep12744611-21diskmemload1
29246262171,3sleep00-21swapper/00
28350632171,3sleep20-21swapper/22
28126552171,2sleep00-21swapper/00
261402599179,6cyclictest66950irq/132-enp1s0-TxRx-33
261402599171,14cyclictest0-21swapper/33
2614025991711,3cyclictest0-21swapper/33
261402599171,13cyclictest0-21swapper/33
261402599171,12cyclictest0-21swapper/33
261402599170,13cyclictest0-21swapper/33
261402599170,13cyclictest0-21swapper/33
261402599170,13cyclictest0-21swapper/33
29774992161,2sleep00-21swapper/00
28474012168,4sleep22847415-21ssh2
28154142160,1sleep20-21swapper/22
261402599169,2cyclictest0-21swapper/33
261402599161,12cyclictest0-21swapper/33
261402599161,12cyclictest0-21swapper/33
261402599161,12cyclictest0-21swapper/33
261402599161,12cyclictest0-21swapper/33
261402599160,13cyclictest0-21swapper/33
261402599160,13cyclictest0-21swapper/33
30828172151,8sleep20-21swapper/22
261402599151,2cyclictest0-21swapper/33
2614025991512,2cyclictest0-21swapper/33
2614025991511,2cyclictest0-21swapper/33
261402599151,12cyclictest0-21swapper/33
2614025991510,2cyclictest0-21swapper/33
261402599150,13cyclictest0-21swapper/33
261402599150,13cyclictest0-21swapper/33
261402599150,12cyclictest0-21swapper/33
261402599150,11cyclictest0-21swapper/33
30691042141,8sleep23069251-21/usr/sbin/munin2
30214312140,9sleep12744611-21diskmemload1
29699652141,3sleep00-21swapper/00
28672162142,3sleep00-21swapper/00
28459002142,2sleep1171rcu_preempt1
27976982141,2sleep20-21swapper/22
261402599140,2cyclictest0-21swapper/33
30769782131,8sleep13077046-21grep1
30325652131,1sleep20-21swapper/22
29984982131,8sleep02998613-21perl0
29806342131,7sleep22744611-21diskmemload2
29799592131,8sleep22979973-21ssh2
29545892131,8sleep02954723-21diskstats0
29349782131,7sleep22934992-21ssh2
28810642131,8sleep22881078-21ssh2
28089712130,1sleep20-21swapper/22
27944242131,7sleep12744611-21diskmemload1
27684102131,8sleep22768422-21rm2
27435912130,8sleep12743632-21ntpq1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional