You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-17 - 02:18

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 #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 16, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
322618199912,79cyclictest3245301-21/usr/sbin/munin09:00:163
3226178998543,36cyclictest3234024-21munin-plugin-st07:55:001
3226176998036,35cyclictest3253534-21grep09:45:280
3226180997827,46cyclictest0-21swapper/212:15:252
3226176997645,25cyclictest20650irq/252-8000000.ethernet10:05:300
3226176997645,25cyclictest20650irq/252-8000000.ethernet10:05:300
3226176997640,31cyclictest20650irq/252-8000000.ethernet09:05:200
3226180997338,31cyclictest0-21swapper/210:00:002
3226178997329,38cyclictest0-21swapper/109:10:191
3226178997232,36cyclictest3259440-21grep10:20:271
3226178997231,35cyclictest0-21swapper/108:20:291
3226176997229,39cyclictest20850irq/208-8000000.ethernet07:10:270
322617699721,64cyclictest3235545-21mailstats08:00:270
3226180997128,34cyclictest0-21swapper/208:35:292
322617899717,18cyclictest3265403-21grep10:55:301
3226176997041,23cyclictest20650irq/252-8000000.ethernet11:20:010
3226178996825,33cyclictest0-21swapper/108:50:011
3226176996836,29cyclictest3249312-21grep09:20:280
3226178996736,27cyclictest3266298-21munin-plugin-st11:05:001
3226180996627,32cyclictest0-21swapper/209:05:282
3226178996633,24cyclictest3233150-21grep07:45:281
3226176996639,23cyclictest20650irq/252-8000000.ethernet10:15:010
3226176996634,29cyclictest167350irq/118-8000000.ethernet-tx011:55:240
3226176996623,39cyclictest3262830-21grep10:40:280
322618099651,4cyclictest3268816-21apt-get11:20:022
3226178996522,35cyclictest0-21swapper/110:10:281
3226178996519,7cyclictest0-21swapper/111:05:221
3226180996427,29cyclictest0-21swapper/209:15:282
322617899645,11cyclictest3256063-21grep10:00:271
322617899643,13cyclictest3230419-21ptp4l07:30:261
3226178996425,6cyclictest3234807-21grep07:55:291
3226178996416,6cyclictest0-21swapper/108:50:291
3226176996437,24cyclictest0-21swapper/011:40:220
3226176996437,24cyclictest0-21swapper/011:40:210
3226180996327,32cyclictest0-21swapper/210:50:242
322617899635,14cyclictest3268711-21grep11:15:281
3226178996318,8cyclictest0-21swapper/111:50:281
3226178996310,18cyclictest3271376-21head11:30:291
3226176996339,21cyclictest20650irq/252-8000000.ethernet07:40:000
3226176996334,24cyclictest0-21swapper/008:50:010
322617699631,18cyclictest3282375-21grep12:35:290
3226180996226,29cyclictest0-21swapper/209:30:272
3226178996229,27cyclictest0-21swapper/111:55:281
3226178996226,30cyclictest0-21swapper/109:00:191
3226178996224,33cyclictest0-21swapper/110:40:251
3226178996217,10cyclictest0-21swapper/109:35:291
3226176996236,23cyclictest0-21swapper/009:55:280
3226180996121,35cyclictest0-21swapper/212:05:282
322617899613,14cyclictest3237484-21latency_hist08:15:001
322617899612,17cyclictest3227139-21latency_hist07:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional