You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-08 - 21:28

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 #7, slot #7

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
  
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.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rack7slot7s.osadl.org (updated Fri May 08, 2026 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2480229380,9sleep20-21swapper/207:07:122
2491429264,9sleep00-21swapper/007:08:390
2282529172,14sleep10-21swapper/107:05:071
2493728666,9sleep30-21swapper/307:08:583
2511199270,3cyclictest0-21swapper/111:44:381
2511399250,24cyclictest0-21swapper/210:17:572
25111992524,1cyclictest0-21swapper/112:13:111
2511199230,21cyclictest0-21swapper/110:33:091
2511799200,2cyclictest0-21swapper/311:48:423
230202200,0chrt0-21swapper/109:31:321
25117991918,1cyclictest0-21swapper/311:08:473
25117991917,1cyclictest39-21ksoftirqd/311:14:123
2511799190,0cyclictest0-21swapper/310:25:093
2511399190,1cyclictest0-21swapper/209:47:052
2511199190,4cyclictest0-21swapper/111:45:431
2511199190,15cyclictest0-21swapper/109:27:401
25108991913,2cyclictest0-21swapper/012:39:010
2511799180,18cyclictest30739-21kworker/3:110:32:123
2511399180,1cyclictest0-21swapper/212:04:452
2511199189,2cyclictest0-21swapper/112:30:561
25111991814,4cyclictest38150irq/131-snd_hda10:56:301
2511199180,16cyclictest0-21swapper/112:07:271
2510899181,11cyclictest1120-21ssh11:15:130
25117991716,1cyclictest30739-21kworker/3:110:42:523
25117991716,1cyclictest30739-21kworker/3:110:35:123
25117991710,2cyclictest225-21systemd-journal12:25:523
2511399170,17cyclictest0-21swapper/212:17:492
2511199172,1cyclictest141rcu_preempt12:38:111
2511199170,1cyclictest0-21swapper/112:00:241
2511199170,14cyclictest0-21swapper/110:53:391
25117991611,3cyclictest39-21ksoftirqd/309:41:183
25111991615,1cyclictest0-21swapper/109:58:311
25111991612,3cyclictest0-21swapper/109:21:171
25111991611,3cyclictest16070-21cron11:05:001
25117991514,1cyclictest30739-21kworker/3:109:27:123
25117991514,1cyclictest0-21swapper/311:01:403
25117991513,0cyclictest0-21swapper/311:50:133
2511399153,7cyclictest19463-21/usr/sbin/munin09:30:132
25113991513,1cyclictest0-21swapper/209:16:122
2511199159,5cyclictest29288-21wc07:15:241
25111991511,2cyclictest6693-21wc10:00:241
2511199150,15cyclictest0-21swapper/112:29:161
2510899159,4cyclictest4548-21ssh11:55:190
25108991512,3cyclictest13-21ksoftirqd/011:02:310
2510899150,8cyclictest0-21swapper/008:00:110
2510899150,2cyclictest0-21swapper/009:49:250
2510899150,11cyclictest0-21swapper/009:23:570
250452150,3sleep10-21swapper/111:29:301
2511799146,8cyclictest30739-21kworker/3:110:56:183
25117991413,1cyclictest30739-21kworker/3:112:04:323
25117991413,1cyclictest30739-21kworker/3:110:20:313
25117991413,1cyclictest30739-21kworker/3:109:51:123
25117991413,1cyclictest30739-21kworker/3:109:38:313
25117991413,1cyclictest30739-21kworker/3:109:13:223
25117991410,3cyclictest3466-21wc08:40:003
25117991410,3cyclictest2353-21grep11:15:193
25117991410,3cyclictest20925-21grep09:30:213
2511799140,2cyclictest0-21swapper/310:02:323
2511799140,12cyclictest0-21swapper/312:38:063
2511399148,6cyclictest1132-21munin-node10:57:192
2511399148,4cyclictest6481-21df10:20:142
2511399143,9cyclictest0-21swapper/210:31:382
2511399143,8cyclictest28365-21wc11:50:192
2511399142,7cyclictest3654-21/usr/sbin/munin11:35:222
25113991413,1cyclictest0-21swapper/212:14:552
2511399140,1cyclictest0-21swapper/209:10:252
2511399140,13cyclictest0-21swapper/211:07:422
2511399140,12cyclictest0-21swapper/212:20:332
25111991410,3cyclictest28049-21wc08:20:251
25111991410,3cyclictest13901-21wc10:25:001
25111991410,2cyclictest0-21swapper/110:45:591
2511199140,1cyclictest17662-21diskmemload11:08:271
2511199140,1cyclictest0-21swapper/109:13:211
2511199140,13cyclictest0-21swapper/110:27:211
2510899141,10cyclictest0-21swapper/007:30:130
2510899140,8cyclictest9999-21awk11:40:000
2510899140,3cyclictest0-21swapper/011:29:240
2510899140,2cyclictest0-21swapper/010:31:380
2511799134,1cyclictest0-21swapper/312:34:323
2511799133,6cyclictest273-21systemd-udevd09:22:043
25117991312,1cyclictest30739-21kworker/3:112:11:023
25117991312,1cyclictest30739-21kworker/3:111:38:523
25113991312,1cyclictest0-21swapper/211:32:042
25113991311,1cyclictest0-21swapper/210:45:542
25113991310,2cyclictest3379-21grep07:30:162
25113991310,2cyclictest18040-21sort11:25:142
2511399130,2cyclictest0-21swapper/209:50:122
2511399130,1cyclictest0-21swapper/211:41:322
2511399130,1cyclictest0-21swapper/209:21:342
2511199139,3cyclictest24422-21tr08:15:151
2511199138,3cyclictest7127-21cron07:39:591
25111991313,0cyclictest0-21swapper/110:16:271
25111991312,1cyclictest0-21swapper/109:53:251
25111991310,2cyclictest482-21sed08:30:251
25111991310,2cyclictest3774-21wc11:35:241
2511199130,12cyclictest2408-21taskset11:15:201
2511199130,12cyclictest0-21swapper/111:30:091
2510899138,2cyclictest23875-21systemd-cgroups08:14:560
2510899136,6cyclictest3650-21perf12:15:000
2510899136,6cyclictest18824-21apt-get09:30:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional