You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-13 - 07:35

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 Sun Sep 13, 2026 00:44:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3911992619,2cyclictest3747-21ssh22:42:512
390799262,1cyclictest16888-21sh22:55:451
390799260,25cyclictest26208-21kworker/u8:121:36:061
391199250,24cyclictest29549-21diskmemload23:23:382
391199250,24cyclictest16308-21perf19:35:012
3898992521,3cyclictest0-21swapper/022:27:160
389899251,23cyclictest62550irq/127-eno123:52:410
3912992422,1cyclictest0-21swapper/321:48:193
391299240,23cyclictest29549-21diskmemload23:55:193
391299240,23cyclictest0-21swapper/319:42:073
391299240,1cyclictest0-21swapper/321:58:063
3911992422,1cyclictest1493-21ssh23:40:542
3911992421,2cyclictest19815-21ssh22:57:292
391199240,20cyclictest0-21swapper/222:17:182
3907992421,2cyclictest10824-21ssh22:20:221
390799240,2cyclictest9199-21cron21:20:011
390799240,24cyclictest0-21swapper/122:36:401
390799240,24cyclictest0-21swapper/100:10:591
390799240,23cyclictest10792-21date22:50:011
390799240,23cyclictest0-21swapper/100:28:571
390799240,1cyclictest0-21swapper/123:44:421
390799240,0cyclictest0-21swapper/123:01:171
390799240,0cyclictest0-21swapper/100:37:321
389899240,24cyclictest0-21swapper/021:12:520
389899240,23cyclictest29549-21diskmemload23:15:130
389899240,23cyclictest29549-21diskmemload22:56:320
389899240,23cyclictest29549-21diskmemload21:21:060
389899240,23cyclictest29549-21diskmemload00:21:340
389899240,23cyclictest24756-21latency_hist21:00:000
389899240,23cyclictest0-21swapper/021:28:250
389899240,1cyclictest0-21swapper/000:18:220
389899240,0cyclictest29549-21diskmemload22:53:490
389899240,0cyclictest0-21swapper/023:36:180
389899240,0cyclictest0-21swapper/000:31:020
389899240,0cyclictest0-21swapper/000:02:110
3912992323,0cyclictest29549-21diskmemload23:09:503
3912992323,0cyclictest29549-21diskmemload22:08:123
3912992323,0cyclictest0-21swapper/322:51:243
3912992323,0cyclictest0-21swapper/321:40:023
3912992323,0cyclictest0-21swapper/321:23:123
3912992323,0cyclictest0-21swapper/321:13:593
3912992322,1cyclictest7729-21rm21:17:533
3912992321,1cyclictest21995-21ssh22:01:223
3912992321,1cyclictest16796-21ssh22:25:513
391299230,2cyclictest13830-21cron19:30:003
391299230,23cyclictest0-21swapper/300:15:153
391299230,22cyclictest29549-21diskmemload21:38:583
391299230,22cyclictest28038-21ssh00:34:263
391299230,22cyclictest27409-21ssh22:35:443
391299230,22cyclictest19028-21sh23:27:103
391299230,22cyclictest0-21swapper/323:40:563
391299230,0cyclictest0-21swapper/322:40:183
391299230,0cyclictest0-21swapper/300:09:153
3911992323,0cyclictest29549-21diskmemload23:38:242
3911992323,0cyclictest29549-21diskmemload00:18:472
3911992323,0cyclictest0-21swapper/222:39:022
3911992323,0cyclictest0-21swapper/200:11:582
3911992323,0cyclictest0-21swapper/200:06:262
3911992321,1cyclictest0-21swapper/200:20:492
3911992318,5cyclictest0-21swapper/221:46:192
3911992318,4cyclictest0-21swapper/221:10:472
391199230,23cyclictest29549-21diskmemload22:04:242
391199230,23cyclictest29549-21diskmemload21:26:372
391199230,23cyclictest0-21swapper/222:20:372
391199230,23cyclictest0-21swapper/200:37:562
391199230,22cyclictest9679-21vmstat23:47:182
391199230,22cyclictest7382-21ssh22:47:112
391199230,22cyclictest27127-21sh21:36:302
391199230,22cyclictest23310-21ssh00:00:282
391199230,22cyclictest17853-21ssh00:25:172
391199230,22cyclictest10533-21ssh23:19:032
391199230,0cyclictest0-21swapper/223:06:092
391199230,0cyclictest0-21swapper/223:02:082
391199230,0cyclictest0-21swapper/222:13:582
3907992323,0cyclictest0-21swapper/122:53:011
3907992323,0cyclictest0-21swapper/122:25:351
3907992323,0cyclictest0-21swapper/100:20:351
3907992323,0cyclictest0-21swapper/100:01:391
3907992321,1cyclictest6720-21rm00:15:011
3907992321,1cyclictest0-21swapper/123:31:361
3907992321,1cyclictest0-21swapper/123:31:361
3907992321,1cyclictest0-21swapper/121:27:111
3907992320,2cyclictest28510-21sh00:05:061
3907992320,2cyclictest13112-21ssh21:22:431
390799230,2cyclictest22235-21ssh23:59:331
390799230,23cyclictest0-21swapper/123:12:441
390799230,23cyclictest0-21swapper/121:57:321
390799230,22cyclictest5421-21apt-get23:15:021
390799230,22cyclictest32142-21ssh23:38:371
390799230,22cyclictest24776-21ssh00:32:081
390799230,22cyclictest22392-21rm22:31:101
390799230,22cyclictest0-21swapper/122:01:501
390799230,22cyclictest0-21swapper/121:31:361
3898992323,0cyclictest62550irq/127-eno122:38:580
3898992323,0cyclictest29549-21diskmemload23:44:420
3898992323,0cyclictest29549-21diskmemload23:21:000
3898992323,0cyclictest0-21swapper/022:24:120
3898992323,0cyclictest0-21swapper/020:17:090
3898992322,1cyclictest29549-21diskmemload22:15:340
3898992321,1cyclictest29041-21sh00:35:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional