You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-18 - 16:49

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 Mon May 18, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
341260721260,2sleep190-21kswapd01
3377819211760,53sleep30-21swapper/33
387201021090,2sleep13872012-21sed1
337777928654,11sleep10-21swapper/11
337781328556,11sleep20-21swapper/22
337774827752,6sleep00-21swapper/00
337812699271,23cyclictest0-21swapper/33
36905742262,9sleep13690554-21zstd1
337812699252,18cyclictest3493100-21taskset3
36793482243,17sleep00-21swapper/00
35257532240,2sleep00-21swapper/00
35218972240,2sleep20-21swapper/22
337812699241,6cyclictest0-21swapper/33
337812699228,4cyclictest0-21swapper/33
337812699221,18cyclictest0-21swapper/33
337812699220,12cyclictest0-21swapper/33
337812699220,12cyclictest0-21swapper/33
38436762211,5sleep13843690-21ssh1
38106502211,7sleep03508834-21diskmemload0
337812699218,4cyclictest0-21swapper/33
337812699215,12cyclictest3744114-21taskset3
337812699214,13cyclictest0-21swapper/33
337812699212,16cyclictest0-21swapper/33
337812699211,5cyclictest0-21swapper/33
337812699211,16cyclictest3785143-21taskset3
337812699211,15cyclictest0-21swapper/33
337812699210,12cyclictest0-21swapper/33
337812699210,12cyclictest0-21swapper/33
337812699207,3cyclictest0-21swapper/33
337812699203,8cyclictest0-21swapper/33
337812699203,13cyclictest0-21swapper/33
337812699203,13cyclictest0-21swapper/33
337812699202,2cyclictest0-21swapper/33
337812699201,15cyclictest0-21swapper/33
337812699201,15cyclictest0-21swapper/33
337812699200,17cyclictest0-21swapper/33
337812699200,12cyclictest0-21swapper/33
38112902191,3sleep23811305-21ssh2
337812699197,3cyclictest0-21swapper/33
337812699197,3cyclictest0-21swapper/33
337812699196,2cyclictest0-21swapper/33
337812699191,7cyclictest3654040-21turbostat3
337812699191,7cyclictest3428741-21turbostat3
337812699191,6cyclictest3466144-21turbostat3
337812699191,4cyclictest0-21swapper/33
3378126991913,4cyclictest0-21swapper/33
337812699191,15cyclictest0-21swapper/33
337812699191,14cyclictest0-21swapper/33
337812699191,14cyclictest0-21swapper/33
337812699190,9cyclictest0-21swapper/33
337812699190,17cyclictest0-21swapper/33
337812699190,16cyclictest0-21swapper/33
36023842181,6sleep03508834-21diskmemload0
337812699189,6cyclictest3455416-21chrt3
337812699183,11cyclictest0-21swapper/33
337812699181,6cyclictest3444738-21turbostat3
337812699181,5cyclictest66950irq/132-enp1s0-TxRx-33
337812699181,4cyclictest0-21swapper/33
337812699181,14cyclictest3635080-21chrt3
337812699181,14cyclictest0-21swapper/33
337812699181,14cyclictest0-21swapper/33
337812699181,14cyclictest0-21swapper/33
337812699181,13cyclictest0-21swapper/33
337812699181,13cyclictest0-21swapper/33
337812699181,13cyclictest0-21swapper/33
337812699180,14cyclictest0-21swapper/33
337812699180,10cyclictest0-21swapper/33
37868022171,3sleep00-21swapper/00
37016432171,4sleep03701667-21apt-get0
36905852173,8sleep23690555-21zstd2
337812699171,6cyclictest3423396-21turbostat3
337812699171,4cyclictest0-21swapper/33
3378126991714,2cyclictest0-21swapper/33
337812699171,13cyclictest0-21swapper/33
337812699170,8cyclictest0-21swapper/33
337812699170,15cyclictest0-21swapper/33
38872712161,3sleep20-21swapper/22
38869682161,2sleep00-21swapper/00
38508132161,10sleep23850871-21ntpq2
38181152161,3sleep20-21swapper/22
37358592161,3sleep20-21swapper/22
37172242161,6sleep23717235-21ssh2
35903792160,1sleep10-21swapper/11
337812699161,11cyclictest0-21swapper/33
337812699160,13cyclictest0-21swapper/33
37501772151,3sleep13508834-21diskmemload1
37257972151,2sleep10-21swapper/11
37257972151,2sleep10-21swapper/11
37011322152,2sleep2171rcu_preempt2
36999072151,4sleep13508834-21diskmemload1
36434972151,5sleep10-21swapper/11
34687292156,2sleep1171rcu_preempt1
337812699158,4cyclictest3383148-21chrt3
337812699153,8cyclictest0-21swapper/33
337812699150,13cyclictest0-21swapper/33
337812699150,12cyclictest0-21swapper/33
337812699150,12cyclictest0-21swapper/33
38206462141,2sleep10-21swapper/11
37914942141,6sleep03791542-21ntpq0
37773412141,7sleep13508834-21diskmemload1
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional