You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-16 - 08:51

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 100 highest latencies:
System rackeslot6s.osadl.org (updated Thu Jul 16, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3455475997843,20cyclictest311ktimers/219:35:002
3455471997164,5cyclictest131ktimers/023:15:010
345547199661,59cyclictest0-21swapper/000:15:100
3455471996410,16cyclictest12-21ksoftirqd/000:25:020
345547199611,4cyclictest0-21swapper/000:35:120
345547199594,16cyclictest3505983-21apt-get00:05:010
3455473995648,5cyclictest3463313-21apt19:55:011
3455473995648,5cyclictest3463313-21apt19:55:001
3455471995546,6cyclictest3469230-21munin-run20:30:000
3455471995234,15cyclictest167350irq/118-8000000.ethernet-tx021:15:020
3455473995043,4cyclictest3482911-21cron21:49:591
3455471995042,4cyclictest167350irq/118-8000000.ethernet-tx020:10:150
3455475994935,11cyclictest311ktimers/222:50:152
345547599491,3cyclictest3478902-21/usr/sbin/munin21:25:182
3455473994839,5cyclictest0-21swapper/122:15:021
3455471994840,4cyclictest167350irq/118-8000000.ethernet-tx022:35:240
3455473994736,6cyclictest3502563-21grep23:40:291
3455471994731,14cyclictest167350irq/118-8000000.ethernet-tx021:55:230
345547199471,3cyclictest0-21swapper/019:25:010
3455473994637,5cyclictest0-21swapper/119:20:011
345547199465,4cyclictest3482426-21grep21:45:190
3455475994525,13cyclictest311ktimers/223:30:122
3455473994535,5cyclictest167450irq/126-8000000.ethernet-tx121:00:001
3455473994532,7cyclictest3487129-21apt-get22:15:061
3455471994538,4cyclictest167350irq/118-8000000.ethernet-tx022:15:170
3455471994537,4cyclictest167350irq/118-8000000.ethernet-tx000:30:240
3455471994537,4cyclictest167350irq/118-8000000.ethernet-tx000:30:240
3455475994431,5cyclictest0-21swapper/220:25:292
3455475994429,10cyclictest311ktimers/219:10:132
3455473994435,5cyclictest3498995-21grep23:20:291
3455473994430,7cyclictest3499810-21grep23:25:291
3455471994435,6cyclictest3490506-21grep22:30:290
3455471994428,14cyclictest167350irq/118-8000000.ethernet-tx023:55:150
3455471994428,14cyclictest167350irq/118-8000000.ethernet-tx023:55:150
3455471994425,17cyclictest0-21swapper/022:40:280
345547199441,37cyclictest0-21swapper/022:15:020
3455475994332,7cyclictest3461580-21grep19:40:282
3455473994332,6cyclictest0-21swapper/120:00:211
3455473994331,8cyclictest0-21swapper/122:20:281
3455473994330,9cyclictest0-21swapper/123:55:001
3455473994321,14cyclictest34899571/usr/sbin/munin22:30:161
345547199431,8cyclictest0-21swapper/021:10:000
3455475994235,4cyclictest3478489-21ptp4l-jitter21:20:282
3455475994232,6cyclictest3476840-21grep21:10:302
3455475994226,8cyclictest0-21swapper/223:00:272
3455473994233,5cyclictest0-21swapper/119:25:011
3455473994229,9cyclictest0-21swapper/100:20:291
3455473994225,12cyclictest0-21swapper/121:00:261
3455471994235,4cyclictest20850irq/208-8000000.ethernet00:25:190
3455471994235,4cyclictest167350irq/118-8000000.ethernet-tx020:55:280
3455471994231,8cyclictest0-21swapper/020:30:280
345547199422,9cyclictest0-21swapper/021:25:000
3455471994228,9cyclictest0-21swapper/020:40:280
3455471994227,11cyclictest0-21swapper/021:00:270
3455475994132,4cyclictest0-21swapper/221:35:272
3455475994130,7cyclictest0-21swapper/223:05:282
3455475994130,7cyclictest0-21swapper/200:05:002
3455473994130,7cyclictest0-21swapper/122:35:281
3455473994130,5cyclictest0-21swapper/121:55:201
3455473994128,8cyclictest0-21swapper/123:00:281
3455473994125,12cyclictest231ktimers/123:10:111
3455471994134,4cyclictest167350irq/118-8000000.ethernet-tx022:05:160
3455471994134,4cyclictest167350irq/118-8000000.ethernet-tx019:55:170
3455471994129,5cyclictest0-21swapper/019:15:000
345547199411,4cyclictest3492757-21irqstats22:45:210
345547199411,38cyclictest3494233-21ssh22:55:160
3455475994032,4cyclictest0-21swapper/221:50:302
3455475994032,4cyclictest0-21swapper/221:05:322
3455475994032,4cyclictest0-21swapper/200:30:172
3455475994032,4cyclictest0-21swapper/200:30:172
3455475994029,6cyclictest3497256-21grep23:10:292
3455475994023,11cyclictest0-21swapper/220:50:282
3455475994021,14cyclictest311ktimers/220:55:122
3455473994028,8cyclictest0-21swapper/100:10:301
3455473994026,7cyclictest0-21swapper/122:29:591
3455473994025,10cyclictest0-21swapper/100:00:001
3455473994025,10cyclictest0-21swapper/100:00:001
345547199402,7cyclictest0-21swapper/020:25:000
3455471994027,8cyclictest15-21rcuc/023:30:050
3455475993930,4cyclictest0-21swapper/223:40:022
3455475993927,9cyclictest3508528-21unixbench_singl00:15:282
3455475993926,6cyclictest900-21dropbear19:35:172
3455475993923,10cyclictest0-21swapper/219:45:222
3455473993931,6cyclictest22-21rcuc/119:15:011
3455473993930,4cyclictest0-21swapper/121:25:291
3455473993928,6cyclictest0-21swapper/122:50:271
3455473993927,5cyclictest0-21swapper/122:10:021
3455471993933,4cyclictest3479502-21unixbench_singl21:25:290
3455471993932,4cyclictest0-21swapper/023:20:160
3455471993929,6cyclictest3460723-21grep19:35:300
3455471993928,8cyclictest0-21swapper/020:50:310
3455471993928,6cyclictest0-21swapper/023:50:020
345547199392,31cyclictest3495486-21sendmail_mailqu23:00:270
345547199391,3cyclictest3495948-21diskstats23:05:180
3455475993831,4cyclictest311ktimers/220:00:012
3455475993829,5cyclictest3488804-21grep22:20:272
3455475993827,7cyclictest3470865-21grep20:35:302
3455475993826,8cyclictest0-21swapper/200:40:002
3455475993825,9cyclictest0-21swapper/222:55:272
3455475993822,12cyclictest311ktimers/222:05:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional