You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-16 - 13:11

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 #b, slot #5

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
  Phytec
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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot5s.osadl.org (updated Thu Apr 16, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1723332996053,5cyclictest1777529-21kworker/u8:0+events_unbound22:15:203
1723332995344,5cyclictest1815293-21munin-plugin-st23:35:003
1723329995043,4cyclictest1827235-21munin-plugin-st00:10:002
1723329995043,4cyclictest1827235-21munin-plugin-st00:09:592
1723332994525,6cyclictest1702913-21kworker/u8:1+events_unbound21:15:123
1723326994434,5cyclictest1790224-21seq22:20:181
1723332994335,5cyclictest1775850-21sh21:40:003
1723332994333,6cyclictest1795853-21grep22:35:243
1723321994321,18cyclictest13550irq/42-30be0000.ethernet20:55:130
1723321994235,4cyclictest1801423-21cron22:55:000
1723332994130,7cyclictest1744305-21sh20:10:013
1723326994132,6cyclictest1805484-21fschecks_time23:05:161
1723326994130,7cyclictest0-21swapper/123:00:001
1723332994029,8cyclictest1794609-21auditctl22:35:003
1723326994031,6cyclictest1828508-21unixbench_singl00:10:231
1723326994030,5cyclictest0-21swapper/119:24:551
1723321994029,8cyclictest1837673-21cat00:40:010
1723332993933,4cyclictest1830268-21kworker/u8:0+events_unbound00:38:313
1723332993928,7cyclictest0-21swapper/322:30:003
1723321993930,6cyclictest1834050-21cron00:30:010
1723332993831,5cyclictest1702913-21kworker/u8:1+events_unbound20:10:053
1723332993830,4cyclictest1761793-21sendmail21:00:013
1723329993832,3cyclictest0-21swapper/219:40:012
1723329993832,3cyclictest0-21swapper/219:40:002
1723326993830,4cyclictest0-21swapper/121:20:011
1723326993828,7cyclictest1734081-21cron19:40:011
1723326993828,7cyclictest1734081-21cron19:40:001
1723332993726,5cyclictest0-21swapper/320:20:023
1723332993721,5cyclictest1796086-21kworker/u8:0+events_unbound23:09:193
1723329993730,4cyclictest0-21swapper/223:20:012
1723329993728,6cyclictest311ktimers/222:15:142
1723326993729,4cyclictest0-21swapper/123:40:001
1723326993725,7cyclictest0-21swapper/122:25:241
1723326993725,7cyclictest0-21swapper/100:09:591
1723326993725,7cyclictest0-21swapper/100:09:591
1723326993717,6cyclictest1732951-21kworker/u8:0+events_unbound19:47:321
1723332993628,4cyclictest0-21swapper/319:45:173
1723332993623,9cyclictest1730214-21grep19:25:263
1723332993618,5cyclictest1702913-21kworker/u8:1+events_unbound20:35:203
1723329993626,7cyclictest1728529-21unixbench_multi19:20:242
1723329993625,7cyclictest0-21swapper/222:45:252
1723326993625,7cyclictest0-21swapper/122:35:241
1723321993626,4cyclictest0-21swapper/023:25:000
1723332993526,4cyclictest0-21swapper/322:50:133
1723329993527,5cyclictest1796305-21cron22:40:002
1723329993527,4cyclictest0-21swapper/220:40:242
1723329993525,6cyclictest0-21swapper/221:05:262
1723329993525,6cyclictest0-21swapper/220:30:262
1723329993525,6cyclictest0-21swapper/220:10:252
1723326993526,4cyclictest0-21swapper/120:25:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional