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2026-01-01 - 20:59

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 
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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 100 highest latencies:
System rack0slot1s.osadl.org (updated Thu Jan 01, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30315999189,1cyclictest0-21swapper/608:05:226
30320998786,1cyclictest0-21swapper/710:17:447
30287998686,0cyclictest192950irq/36-eth1-rx-12:21:171
30315996564,1cyclictest0-21swapper/608:45:256
30298996464,0cyclictest37-21ksoftirqd/308:45:283
2980626343,17sleep50-21swapper/507:06:155
2980826141,17sleep70-21swapper/707:06:177
30291995858,0cyclictest192950irq/36-eth1-rx-08:05:222
30304994443,1cyclictest0-21swapper/408:04:164
3007624230,8sleep40-21swapper/407:09:594
2999424130,8sleep00-21swapper/007:08:500
2981323716,18sleep30-21swapper/307:06:213
2976423717,17sleep20-21swapper/207:05:412
2994823616,17sleep10-21swapper/107:08:111
2978823616,17sleep60-21swapper/607:06:016
30291993534,0cyclictest29-21ksoftirqd/208:45:252
30287992828,0cyclictest21-21ksoftirqd/111:25:281
30287992828,0cyclictest21-21ksoftirqd/107:18:011
30281992727,0cyclictest3-21ksoftirqd/008:04:160
30308991918,1cyclictest0-21swapper/512:21:175
3029199191,17cyclictest5567-21turbostat12:10:002
3030499183,14cyclictest7254-21munin-run12:40:004
30287991815,2cyclictest0-21swapper/108:40:181
3030499160,13cyclictest16953-21perf12:19:594
3030499160,13cyclictest0-21swapper/410:57:314
3031599150,14cyclictest0-21swapper/609:25:206
30304991511,3cyclictest0-21swapper/412:00:314
3030899149,4cyclictest0-21swapper/509:20:455
3028199141,10cyclictest0-21swapper/007:40:000
30315991310,2cyclictest0-21swapper/611:47:016
3030899139,3cyclictest0-21swapper/511:02:015
3030899130,2cyclictest0-21swapper/508:04:015
30287991311,1cyclictest2487-21snmpd09:17:161
3028199130,12cyclictest0-21swapper/012:15:200
30320991211,1cyclictest0-21swapper/708:45:287
30308991211,1cyclictest0-21swapper/511:23:165
3030899120,1cyclictest0-21swapper/511:46:465
30298991211,0cyclictest2487-21snmpd11:11:163
3029199120,1cyclictest0-21swapper/212:11:022
3028199129,2cyclictest0-21swapper/011:00:220
3028199121,8cyclictest0-21swapper/008:19:590
3032099118,2cyclictest0-21swapper/709:25:167
3030899118,2cyclictest0-21swapper/508:41:465
30308991110,1cyclictest0-21swapper/512:18:325
3030899110,10cyclictest0-21swapper/510:53:455
30304991110,1cyclictest0-21swapper/409:39:004
30304991110,1cyclictest0-21swapper/409:39:004
3029899113,7cyclictest0-21swapper/310:57:263
30298991111,0cyclictest2487-21snmpd09:32:163
30291991110,0cyclictest2487-21snmpd09:29:002
3028799111,9cyclictest0-21swapper/109:10:181
30287991111,0cyclictest2487-21snmpd10:14:301
3028199118,3cyclictest0-21swapper/007:25:190
3028199118,2cyclictest0-21swapper/012:25:000
3028199118,2cyclictest0-21swapper/007:45:170
3028199118,2cyclictest0-21swapper/007:15:000
3028199117,2cyclictest0-21swapper/010:15:000
3028199115,5cyclictest0-21swapper/010:30:510
3028199111,9cyclictest0-21swapper/011:59:590
3028199111,2cyclictest0-21swapper/010:50:000
30281991111,0cyclictest2487-21snmpd10:55:460
3028199110,9cyclictest0-21swapper/012:02:200
3028199110,9cyclictest0-21swapper/010:38:570
3028199110,8cyclictest0-21swapper/010:20:010
3031599101,2cyclictest0-21swapper/609:08:156
3030899109,1cyclictest0-21swapper/510:08:315
3030899107,2cyclictest0-21swapper/512:39:315
3030899107,2cyclictest0-21swapper/511:59:175
3030899101,2cyclictest0-21swapper/510:27:315
3030899100,9cyclictest0-21swapper/511:25:455
3029899108,1cyclictest2487-21snmpd09:46:313
3029899102,7cyclictest0-21swapper/311:44:523
3029899102,7cyclictest0-21swapper/310:41:363
3029899102,7cyclictest0-21swapper/309:24:103
3029899101,8cyclictest0-21swapper/311:38:543
30298991010,0cyclictest2487-21snmpd12:27:313
30298991010,0cyclictest2487-21snmpd09:06:153
3029199101,8cyclictest0-21swapper/211:10:502
3029199101,8cyclictest0-21swapper/210:45:172
3029199101,7cyclictest0-21swapper/211:40:162
30291991010,0cyclictest2487-21snmpd11:28:162
3028799101,8cyclictest0-21swapper/111:05:111
30287991010,0cyclictest2487-21snmpd07:22:451
3028199106,1cyclictest6006-21mrtg10:45:000
3028199105,4cyclictest0-21swapper/012:25:190
3028199100,9cyclictest24868-21latency_hist11:30:000
3028199100,9cyclictest0-21swapper/010:55:010
3028199100,9cyclictest0-21swapper/010:29:020
3028199100,9cyclictest0-21swapper/009:40:120
3028199100,9cyclictest0-21swapper/007:35:000
3028199100,9cyclictest0-21swapper/007:10:200
3028199100,8cyclictest0-21swapper/011:23:540
3028199100,8cyclictest0-21swapper/009:36:150
3028199100,8cyclictest0-21swapper/009:36:150
3028199100,8cyclictest0-21swapper/009:20:330
3028199100,7cyclictest0-21swapper/009:15:100
3028199100,3cyclictest0-21swapper/007:44:590
3028199100,1cyclictest26801-21mrtg09:10:010
3028199100,1cyclictest0-21swapper/008:50:010
236712100,2sleep50-21swapper/510:03:045
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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