You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-03 - 00:41

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 #e, slot #6

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
  TI
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 50 highest latencies:
System rackeslot6s.osadl.org (updated Thu Apr 02, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
340099999645,20cyclictest15-21rcuc/011:25:020
3401001995546,5cyclictest3448696-21munin-plugin-st12:09:591
3400999995445,5cyclictest3405520-21grep07:45:240
3401001995343,5cyclictest0-21swapper/108:20:001
3401005995240,7cyclictest3427184-21grep10:00:262
3401001995042,5cyclictest3426376-21apt10:00:011
3401001995042,5cyclictest3426376-21apt10:00:011
3401001994939,6cyclictest3404501-21munin-plugin-st07:40:001
3400999994937,4cyclictest0-21swapper/010:10:120
3400999994931,15cyclictest167350irq/118-8000000.ethernet-tx008:35:000
340100599483,26cyclictest30-21rcuc/212:20:022
340099999481,6cyclictest0-21swapper/008:40:010
3401005994736,7cyclictest3412781-21unixbench_multi08:35:272
3401005994736,7cyclictest0-21swapper/210:39:592
3401005994731,11cyclictest0-21swapper/210:20:012
340100599472,33cyclictest3408560-21apt-get08:15:012
340099999473,6cyclictest3452845-21grep12:30:280
340099999471,5cyclictest0-21swapper/008:20:010
3401005994638,4cyclictest3421323-21munin-plugin-st09:30:002
3401005994622,7cyclictest0-21swapper/212:05:012
3401005994611,12cyclictest32-21ksoftirqd/209:20:012
3401005994611,12cyclictest32-21ksoftirqd/209:20:012
3401001994637,5cyclictest3402339-21cat07:19:591
3400999994635,4cyclictest0-21swapper/012:05:310
340099999462,32cyclictest3435267-21latency_hist10:50:010
3401005994524,6cyclictest0-21swapper/207:55:012
3401001994536,5cyclictest3443629-21run-parts11:40:001
3401001994526,14cyclictest231ktimers/108:50:121
3400999994538,4cyclictest167350irq/118-8000000.ethernet-tx011:10:110
3400999994537,4cyclictest20650irq/252-8000000.ethernet09:40:150
3400999994532,8cyclictest0-21swapper/009:30:010
3401005994436,4cyclictest0-21swapper/208:54:592
3401005994429,10cyclictest0-21swapper/209:55:262
3401005994429,10cyclictest0-21swapper/209:55:262
3401005994427,9cyclictest0-21swapper/207:55:242
3400999994436,5cyclictest0-21swapper/008:10:280
3400999994430,9cyclictest0-21swapper/007:15:160
3401005994332,6cyclictest3424611-21grep09:45:282
3401005994327,8cyclictest3431515-21grep10:25:282
3401005994317,15cyclictest0-21swapper/211:20:262
3401001994335,4cyclictest0-21swapper/109:25:191
3401001994334,5cyclictest3447856-21munin-plugin-st12:05:001
3401001994332,7cyclictest3406655-21sendmail08:00:001
3401001994328,9cyclictest0-21swapper/111:15:001
3400999994337,4cyclictest3406885-21munin-plugin-st08:05:010
3400999994337,2cyclictest0-21swapper/012:25:260
3400999994337,2cyclictest0-21swapper/012:25:250
340099999431,40cyclictest0-21swapper/009:45:110
3401005994221,6cyclictest0-21swapper/210:10:002
3401001994235,3cyclictest3433320-21sendmail10:40:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional