You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-15 - 12:42

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 Mon Jun 15, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2150587995043,5cyclictest2209571-21kworker/u8:1+events_unbound22:02:270
2150596994740,4cyclictest2161358-21munin-plugin-st19:40:012
2150587994539,4cyclictest2232095-21kworker/u8:2+events_unbound23:12:390
2150587994539,4cyclictest2232095-21kworker/u8:2+events_unbound23:12:390
2150600994432,8cyclictest2223211-21grep22:35:253
2150596994436,4cyclictest0-21swapper/220:35:012
2150596994335,6cyclictest311ktimers/223:00:112
2150591994329,10cyclictest231ktimers/123:50:121
2150587994033,4cyclictest2161368-21sendmail19:40:000
2150587994030,6cyclictest0-21swapper/023:17:400
2150587994030,6cyclictest0-21swapper/023:17:400
2150587994028,5cyclictest131rcu_preempt22:25:110
2150596993931,5cyclictest2182035-21munin-run20:40:002
2150596993931,4cyclictest2213016-21apt-key22:10:022
2150596993928,8cyclictest311ktimers/219:20:112
2150600993830,4cyclictest2182047-21sendmail20:40:003
2150600993818,18cyclictest391ktimers/300:05:133
2150587993828,7cyclictest2259250-21grep00:20:290
2150596993729,4cyclictest0-21swapper/223:40:012
2150587993731,4cyclictest2154531-21cron19:20:010
2150600993628,4cyclictest0-21swapper/323:45:173
2150600993624,9cyclictest2211260-21apt-key22:05:013
2150596993628,4cyclictest0-21swapper/223:55:012
2150596993627,4cyclictest0-21swapper/221:12:182
2150591993628,4cyclictest0-21swapper/123:10:151
2150591993628,4cyclictest0-21swapper/123:10:151
2150587993628,5cyclictest2168196-21idleruntime-cro20:00:000
2150600993528,4cyclictest2239594-21runrttasks23:25:153
2150600993527,4cyclictest0-21swapper/323:35:003
2150600993527,4cyclictest0-21swapper/322:55:163
2150600993526,6cyclictest2256664-21cut00:15:163
215059699358,13cyclictest32-21ksoftirqd/221:25:222
2150596993526,6cyclictest208-21systemd-logind23:22:412
2150596993514,11cyclictest0-21swapper/220:10:162
2150591993524,7cyclictest2197173-21sshd21:22:211
2150600993426,4cyclictest0-21swapper/321:25:183
2150600993426,4cyclictest0-21swapper/319:25:183
2150600993425,6cyclictest0-21swapper/323:20:003
2150600993425,6cyclictest0-21swapper/323:20:003
2150596993426,4cyclictest0-21swapper/222:40:162
2150596993410,5cyclictest2234300-21/usr/sbin/munin23:10:242
2150596993410,5cyclictest2234300-21/usr/sbin/munin23:10:242
2150591993426,4cyclictest0-21swapper/119:35:271
2150591993425,5cyclictest0-21swapper/120:45:241
2150587993427,5cyclictest2203923-21kworker/u8:3+events_unbound21:42:410
2150587993410,4cyclictest131rcu_preempt22:20:110
2150600993325,4cyclictest0-21swapper/319:35:013
2150600993313,15cyclictest2259485-21kworker/u8:1-events_power_efficient00:28:143
2150600993313,15cyclictest2259485-21kworker/u8:1-events_power_efficient00:28:133
2150596993326,4cyclictest0-21swapper/221:55:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional