You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-21 - 08:55

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 #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
  
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 rackeslot5s.osadl.org (updated Thu May 21, 2026 00:44:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15233992623,2cyclictest23536-21cut23:17:412
15233992623,2cyclictest23536-21cut23:17:412
15237992525,0cyclictest0-21swapper/322:52:213
1523399250,24cyclictest8424-21diskmemload22:54:132
1523399250,24cyclictest8424-21diskmemload21:29:562
1523199250,24cyclictest5792-21ssh22:04:111
1523199250,24cyclictest17435-21apt-get23:12:421
1523199250,24cyclictest0-21swapper/123:39:291
1522799250,24cyclictest2386-21ssh23:56:300
1522799250,0cyclictest0-21swapper/022:29:450
15237992423,1cyclictest0-21swapper/300:11:153
1523799241,1cyclictest151rcu_preempt00:30:063
1523799240,24cyclictest8424-21diskmemload22:04:113
1523799240,23cyclictest8424-21diskmemload00:07:213
1523799240,23cyclictest4765-21cron19:55:003
1523799240,23cyclictest0-21swapper/323:02:393
1523799240,23cyclictest0-21swapper/321:35:503
1523799240,23cyclictest0-21swapper/320:42:383
1523799240,1cyclictest0-21swapper/321:50:073
1523799240,0cyclictest8424-21diskmemload22:29:463
1523399240,23cyclictest8424-21diskmemload00:17:202
1523399240,23cyclictest0-21swapper/222:30:122
1523399240,23cyclictest0-21swapper/221:22:382
1523399240,0cyclictest0-21swapper/223:32:412
1523399240,0cyclictest0-21swapper/221:38:132
15231992424,0cyclictest8424-21diskmemload22:30:311
15231992423,1cyclictest26684-21sh22:51:571
15231992422,1cyclictest17585-21cron19:15:011
15231992421,2cyclictest31258-21dump-pmu-power20:50:001
15231992421,2cyclictest29299-21pmu-power21:27:521
1523199240,2cyclictest9621-21cron20:05:011
1523199240,24cyclictest0-21swapper/123:03:541
1523199240,24cyclictest0-21swapper/121:54:191
1523199240,24cyclictest0-21swapper/100:32:531
1523199240,23cyclictest8424-21diskmemload22:40:421
1523199240,23cyclictest0-21swapper/123:16:531
1523199240,23cyclictest0-21swapper/123:16:531
1523199240,0cyclictest8424-21diskmemload21:12:241
1522799240,24cyclictest0-21swapper/023:07:070
1522799240,23cyclictest5162-21ssh21:35:300
1522799240,23cyclictest0-21swapper/000:30:020
15237992323,0cyclictest8424-21diskmemload21:27:533
15237992323,0cyclictest8424-21diskmemload21:11:583
15237992323,0cyclictest0-21swapper/322:57:123
15237992323,0cyclictest0-21swapper/322:49:213
15237992323,0cyclictest0-21swapper/322:11:073
15237992323,0cyclictest0-21swapper/321:34:153
15237992323,0cyclictest0-21swapper/321:23:373
15237992323,0cyclictest0-21swapper/300:35:023
15237992322,0cyclictest0-21swapper/321:18:313
15237992321,1cyclictest0-21swapper/322:38:263
15237992321,1cyclictest0-21swapper/321:55:153
15237992321,1cyclictest0-21swapper/321:45:593
15237992320,2cyclictest30604-21ssh23:22:583
1523799230,2cyclictest11838-21sh00:04:193
1523799230,23cyclictest8424-21diskmemload23:18:053
1523799230,23cyclictest8424-21diskmemload23:18:053
1523799230,23cyclictest34-21ksoftirqd/323:38:453
1523799230,23cyclictest0-21swapper/322:16:533
1523799230,22cyclictest606-21dbus-daemon20:30:003
1523799230,22cyclictest5832-21ssh23:30:253
1523799230,22cyclictest11228-21ssh23:06:573
1523799230,1cyclictest3494-21sh00:26:063
1523799230,1cyclictest0-21swapper/323:55:243
1523799230,0cyclictest0-21swapper/323:50:583
1523799230,0cyclictest0-21swapper/322:22:173
1523799230,0cyclictest0-21swapper/300:17:033
15233992323,0cyclictest8424-21diskmemload22:23:482
15233992323,0cyclictest0-21swapper/223:40:282
15233992323,0cyclictest0-21swapper/222:42:342
15233992323,0cyclictest0-21swapper/221:43:262
15233992323,0cyclictest0-21swapper/221:43:262
15233992323,0cyclictest0-21swapper/200:20:342
15233992321,1cyclictest19703-21cron21:20:002
15233992321,1cyclictest0-21swapper/221:46:062
1523399230,2cyclictest11991-21ptp4l-jitter21:12:472
1523399230,23cyclictest0-21swapper/223:06:492
1523399230,23cyclictest0-21swapper/222:37:322
1523399230,23cyclictest0-21swapper/222:08:202
1523399230,23cyclictest0-21swapper/221:56:572
1523399230,23cyclictest0-21swapper/200:36:422
1523399230,22cyclictest0-21swapper/223:51:542
1523399230,22cyclictest0-21swapper/223:10:132
1523399230,22cyclictest0-21swapper/200:06:162
1523399230,1cyclictest8424-21diskmemload23:24:482
1523399230,0cyclictest0-21swapper/221:51:282
15231992323,0cyclictest8424-21diskmemload21:23:401
15231992323,0cyclictest0-21swapper/100:00:101
15231992322,1cyclictest0-21swapper/123:48:571
15231992321,1cyclictest0-21swapper/100:05:171
1523199230,2cyclictest31842-21diskmemload21:30:191
1523199230,23cyclictest0-21swapper/123:54:001
1523199230,23cyclictest0-21swapper/121:35:181
1523199230,23cyclictest0-21swapper/100:27:521
1523199230,22cyclictest3963-21ssh23:28:131
1523199230,22cyclictest13205-21sh22:11:151
1523199230,0cyclictest8424-21diskmemload00:15:181
1523199230,0cyclictest0-21swapper/123:44:031
1523199230,0cyclictest0-21swapper/123:21:431
15227992323,0cyclictest0-21swapper/023:24:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional