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2026-07-23 - 01:38

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack1slot6s.osadl.org (updated Thu Jul 23, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20540991043,92cyclictest18374-21gltestperf21:13:311
20541991003,28cyclictest24593-21ssh23:08:062
2054199995,27cyclictest0-21swapper/223:13:422
2054199984,69cyclictest0-21swapper/222:11:182
20541999611,21cyclictest0-21swapper/221:58:432
20541999610,22cyclictest0-21swapper/222:21:022
2054199955,29cyclictest0-21swapper/220:38:382
2054199954,27cyclictest0-21swapper/221:33:432
2054099953,85cyclictest0-21swapper/122:31:181
2054199947,24cyclictest0-21swapper/223:38:222
2054199944,29cyclictest0-21swapper/219:43:392
2054199944,27cyclictest0-21swapper/219:18:272
2054199943,29cyclictest0-21swapper/222:13:422
2054199933,71cyclictest0-21swapper/222:43:082
2054199933,27cyclictest0-21swapper/221:23:352
2054199933,27cyclictest0-21swapper/221:23:352
2054099933,83cyclictest18820-21df_abs22:58:221
2054199928,25cyclictest0-21swapper/222:33:222
2054199924,79cyclictest0-21swapper/219:53:332
2054199923,28cyclictest0-21swapper/221:29:182
2054199923,28cyclictest0-21swapper/221:29:182
20541999225,8cyclictest13873-21aten_r1power_cu23:43:172
2054199915,26cyclictest0-21swapper/222:58:252
2054099917,20cyclictest0-21swapper/121:33:261
233822900,12sleep12054099cyclictest23:03:411
2054199904,29cyclictest0-21swapper/220:43:462
2054199904,27cyclictest0-21swapper/223:23:282
2054199904,27cyclictest0-21swapper/223:23:282
2054199904,24cyclictest14747-21munin-run22:53:072
2054199904,23cyclictest877-21dbus-daemon20:23:142
20541999020,13cyclictest0-21swapper/220:28:442
2054099904,12cyclictest0-21swapper/122:12:081
219499890,5rtkit-daemon2193-21rtkit-daemon19:18:283
219499890,23rtkit-daemon2193-21rtkit-daemon20:08:263
219499890,23rtkit-daemon2193-21rtkit-daemon20:08:263
2054199894,78cyclictest0-21swapper/221:48:402
2054199894,26cyclictest0-21swapper/223:11:442
2054199894,25cyclictest0-21swapper/221:43:482
2054099894,25cyclictest0-21swapper/123:31:331
2054099894,24cyclictest0-21swapper/121:25:341
2054099894,24cyclictest0-21swapper/121:25:341
2054099894,24cyclictest0-21swapper/120:26:561
2054099894,23cyclictest0-21swapper/121:45:171
2054099894,21cyclictest0-21swapper/123:19:241
2054099893,79cyclictest0-21swapper/123:13:391
2054199884,77cyclictest0-21swapper/219:48:272
2054199884,27cyclictest0-21swapper/222:31:062
20541998820,13cyclictest0-21swapper/222:55:402
2054099884,40cyclictest15002-21python20:18:441
2054099884,39cyclictest0-21swapper/122:21:591
2054099884,24cyclictest0-21swapper/121:42:161
2054099884,12cyclictest0-21swapper/120:49:131
2054099884,12cyclictest0-21swapper/120:49:131
20540998833,49cyclictest3665-21gltestperf18:48:371
20540998833,49cyclictest3665-21gltestperf18:48:371
2054099883,77cyclictest0-21swapper/119:00:311
2054099883,40cyclictest0-21swapper/123:33:151
2054099883,39cyclictest22738-21ssh21:19:061
2054199878,25cyclictest0-21swapper/223:21:502
2054199874,29cyclictest0-21swapper/219:38:382
2054199874,12cyclictest0-21swapper/223:28:222
2054199873,25cyclictest0-21swapper/222:25:172
20541998721,12cyclictest0-21swapper/222:43:402
20541998721,12cyclictest0-21swapper/222:43:402
2054099874,34cyclictest0-21swapper/121:03:451
2054099874,21cyclictest0-21swapper/122:27:041
2054099873,41cyclictest7877-21munin-node21:53:211
2054099873,29cyclictest0-21swapper/122:56:291
2054199864,28cyclictest0-21swapper/221:10:142
2054199864,10cyclictest7349-21crond20:58:122
2054099864,38cyclictest0-21swapper/123:23:171
2054099864,38cyclictest0-21swapper/123:23:171
2054099863,35cyclictest0-21swapper/121:08:161
2054199856,25cyclictest0-21swapper/221:54:142
2054199854,26cyclictest21809-21ssh21:18:342
2054199854,23cyclictest0-21swapper/220:33:412
20541998510,10cyclictest1227-21runrttasks20:49:442
20541998510,10cyclictest1227-21runrttasks20:49:442
2054099854,38cyclictest7700-21ssh20:58:231
2054099854,37cyclictest0-21swapper/122:39:491
2054099854,35cyclictest23203-21ssh22:14:491
2054099854,21cyclictest0-21swapper/123:45:591
2054099853,42cyclictest19161-21taskset19:21:491
2054099853,36cyclictest0-21swapper/122:03:301
2054099853,36cyclictest0-21swapper/122:03:301
2054099853,35cyclictest31296-21needreboot20:43:391
20540998518,9cyclictest1124-21snmpd18:25:011
2054199845,26cyclictest0-21swapper/223:33:332
2054199844,71cyclictest0-21swapper/221:03:362
2054199844,31cyclictest0-21swapper/221:00:352
2054199844,26cyclictest0-21swapper/221:13:262
20541998412,15cyclictest0-21swapper/222:03:222
20541998412,15cyclictest0-21swapper/222:03:222
2054099846,22cyclictest0-21swapper/120:30:351
2054099844,22cyclictest0-21swapper/123:38:281
2054099843,26cyclictest0-21swapper/120:03:131
2054199834,13cyclictest0-21swapper/221:41:372
2054199833,27cyclictest5396-21sshd19:58:482
20541998321,11cyclictest1124-21snmpd20:22:232
2054099834,36cyclictest0-21swapper/120:53:231
2054099833,22cyclictest0-21swapper/122:01:001
20540998329,10cyclictest9104-21uniq22:43:261
20540998329,10cyclictest9104-21uniq22:43:261
20540998324,12cyclictest0-21swapper/122:33:271
20541998219,8cyclictest0-21swapper/218:18:412
2054099824,31cyclictest0-21swapper/120:18:141
2054099824,23cyclictest0-21swapper/122:49:571
2054099823,10cyclictest0-21swapper/119:43:471
20540998221,7cyclictest7584-21ssh21:53:051
2054199814,70cyclictest0-21swapper/218:28:202
2054199814,24cyclictest0-21swapper/220:13:312
2054099814,23cyclictest0-21swapper/120:35:141
20540998131,10cyclictest15111-21cpuspeed_turbos19:13:311
2054099813,12cyclictest0-21swapper/120:42:571
20540998126,12cyclictest0-21swapper/119:08:151
20540998123,8cyclictest24865-21diskstats19:33:321
2054199804,31cyclictest0-21swapper/218:33:342
2054199804,27cyclictest0-21swapper/219:16:312
2054199804,12cyclictest0-21swapper/218:23:442
20541998017,14cyclictest0-21swapper/218:48:442
20541998017,14cyclictest0-21swapper/218:48:442
20541998010,11cyclictest0-21swapper/218:43:422
20541998010,11cyclictest0-21swapper/218:43:422
2054199794,28cyclictest0-21swapper/219:23:492
2054099793,37cyclictest0-21swapper/123:08:301
2054199785,64cyclictest0-21swapper/219:03:392
2054199783,31cyclictest0-21swapper/219:28:422
2054199783,31cyclictest0-21swapper/219:28:422
2054199783,14cyclictest0-21swapper/220:10:182
2054199783,14cyclictest0-21swapper/220:10:182
20540997829,9cyclictest10408-21tail20:08:461
20540997829,9cyclictest10408-21tail20:08:461
20540997819,9cyclictest27918-21munin-node18:33:371
2054199777,12cyclictest0-21swapper/218:53:472
2054199774,26cyclictest0-21swapper/219:33:402
2054199774,14cyclictest0-21swapper/220:08:152
242852763,26sleep30-21swapper/323:06:553
20541997623,14cyclictest0-21swapper/219:08:322
2054199754,27cyclictest0-21swapper/219:00:072
2054199754,24cyclictest32006-21grep18:38:492
2054099754,14cyclictest0-21swapper/120:03:451
219499740,6rtkit-daemon12-21rcu_preempt23:23:260
219499740,6rtkit-daemon12-21rcu_preempt23:23:260
20540997419,9cyclictest315-21telnet18:43:301
20540997419,9cyclictest315-21telnet18:43:301
20540997414,13cyclictest2144-21fschecks_count19:53:291
237462665,13sleep00-21swapper/021:23:030
2054299668,44cyclictest0-21swapper/321:58:463
219499640,8rtkit-daemon0-21swapper/120:13:560
307422633,52sleep00-21swapper/021:33:230
219499630,7rtkit-daemon0-21swapper/221:47:073
219499630,6rtkit-daemon0-21swapper/123:13:190
219499620,3rtkit-daemon25452-21ssh20:34:183
321322613,51sleep00-21swapper/019:48:330
219499610,7rtkit-daemon0-21swapper/123:06:040
2053999613,51cyclictest0-21swapper/022:23:310
20539996127,12cyclictest0-21swapper/023:29:340
219499600,7rtkit-daemon0-21swapper/219:16:363
219499600,7rtkit-daemon0-21swapper/219:11:593
219499590,7rtkit-daemon0-21swapper/222:56:123
219499590,5rtkit-daemon11787-21telnet22:48:203
2053999594,35cyclictest0-21swapper/021:44:310
2053999594,29cyclictest0-21swapper/021:28:280
2053999594,29cyclictest0-21swapper/021:28:280
2053999593,49cyclictest0-21swapper/022:12:010
20539995924,10cyclictest12873-21timerwakeupswit21:58:440
137832594,11sleep00-21swapper/019:08:470
92902583,47sleep39354-21users18:58:503
219499580,7rtkit-daemon0-21swapper/220:16:343
219499580,7rtkit-daemon0-21swapper/220:03:343
219499580,6rtkit-daemon0-21swapper/220:43:553
219499580,4rtkit-daemon815-21ntpd21:08:393
2054299584,36cyclictest0-21swapper/320:31:513
2053999585,28cyclictest0-21swapper/022:13:130
2053999584,29cyclictest0-21swapper/023:43:180
2053999584,28cyclictest0-21swapper/023:08:190
2053999584,26cyclictest0-21swapper/020:58:250
20539995820,13cyclictest0-21swapper/021:17:430
20539995819,13cyclictest0-21swapper/020:28:500
20539995817,11cyclictest10286-21ssh23:38:050
219499570,3rtkit-daemon13272-21diskmemload21:28:083
219499570,3rtkit-daemon13272-21diskmemload21:28:083
2054299574,44cyclictest0-21swapper/318:53:443
2054299572,49cyclictest0-21swapper/323:21:073
2053999575,27cyclictest0-21swapper/020:43:250
2053999575,27cyclictest0-21swapper/020:23:260
2053999574,29cyclictest0-21swapper/022:53:330
2053999574,27cyclictest0-21swapper/020:03:310
109932573,47sleep00-21swapper/023:38:200
219499560,5rtkit-daemon14686-21cpu22:03:223
219499560,5rtkit-daemon14686-21cpu22:03:223
2054299563,35cyclictest0-21swapper/322:39:543
2053999565,27cyclictest0-21swapper/020:50:540
2053999565,27cyclictest0-21swapper/020:50:540
2053999564,35cyclictest0-21swapper/023:18:280
2053999564,29cyclictest0-21swapper/018:38:460
2053999564,28cyclictest0-21swapper/021:08:280
2053999564,28cyclictest0-21swapper/020:43:120
2053999563,29cyclictest0-21swapper/018:58:460
2053999563,28cyclictest0-21swapper/021:48:370
20539995618,13cyclictest0-21swapper/019:48:150
20539995616,15cyclictest0-21swapper/021:07:000
20539995611,23cyclictest0-21swapper/018:28:170
143582564,12sleep00-21swapper/022:51:400
219499550,3rtkit-daemon29948-21ssh21:31:383
219499550,3rtkit-daemon29948-21ssh21:31:383
2054299553,47cyclictest0-21swapper/320:24:553
2053999557,26cyclictest0-21swapper/018:33:470
2053999554,31cyclictest0-21swapper/022:21:160
2053999554,27cyclictest0-21swapper/022:33:340
2053999554,27cyclictest0-21swapper/019:38:510
2053999554,25cyclictest14556-21aten2.4-expect22:03:210
2053999554,25cyclictest14556-21aten2.4-expect22:03:210
20539995523,13cyclictest0-21swapper/022:58:290
20539995523,10cyclictest14561-21ssh20:18:360
20539995520,9cyclictest13272-21diskmemload21:53:430
20539995519,13cyclictest0-21swapper/019:28:460
20539995519,13cyclictest0-21swapper/019:28:460
20539995518,14cyclictest0-21swapper/021:23:210
20539995518,14cyclictest0-21swapper/021:23:210
20539995518,11cyclictest0-21swapper/019:33:420
20539995517,11cyclictest0-21swapper/022:43:280
20539995517,11cyclictest0-21swapper/022:43:280
20539995517,11cyclictest0-21swapper/022:28:180
20539995516,12cyclictest0-21swapper/019:03:390
20539995516,11cyclictest0-21swapper/019:15:420
20539995515,13cyclictest0-21swapper/019:53:310
20539995515,12cyclictest0-21swapper/020:10:180
20539995515,12cyclictest0-21swapper/020:10:180
20539995512,27cyclictest0-21swapper/021:41:540
2054299545,41cyclictest0-21swapper/321:55:553
2054299544,33cyclictest0-21swapper/323:45:313
20542995423,11cyclictest107550irq/46-eth022:58:373
2054299542,45cyclictest0-21swapper/323:14:333
2054099543,45cyclictest0-21swapper/118:58:121
2053999545,29cyclictest0-21swapper/020:33:400
2053999545,27cyclictest0-21swapper/018:43:340
2053999545,27cyclictest0-21swapper/018:43:340
2053999544,28cyclictest0-21swapper/019:23:280
2053999544,28cyclictest0-21swapper/018:48:510
2053999544,28cyclictest0-21swapper/018:48:510
2053999544,27cyclictest5786-21ssh22:38:270
2053999543,26cyclictest0-21swapper/018:55:490
2053999543,25cyclictest0-21swapper/018:28:300
20539995418,11cyclictest3941-21munin-node19:58:480
20539995417,14cyclictest0-21swapper/020:53:250
60092533,11sleep30-21swapper/320:02:113
261072533,43sleep326225-21grep18:28:353
2054299535,40cyclictest0-21swapper/322:13:213
2054299534,12cyclictest0-21swapper/320:48:363
2054299534,12cyclictest0-21swapper/320:48:363
20542995335,10cyclictest9294-21gltestperf22:43:273
20542995335,10cyclictest9294-21gltestperf22:43:273
20542995332,13cyclictest0-21swapper/321:33:263
2053999533,25cyclictest0-21swapper/019:18:500
263352523,10sleep30-21swapper/319:37:003
219499520,3rtkit-daemon7242-21ssh20:57:473
2054299527,27cyclictest0-21swapper/319:08:163
2054299527,12cyclictest0-21swapper/322:24:013
2054299525,25cyclictest0-21swapper/321:03:203
2054299524,41cyclictest0-21swapper/323:28:393
2054299524,31cyclictest1047-21ssh22:31:313
2054299523,29cyclictest0-21swapper/320:58:473
20540995236,9cyclictest22731-21grep19:28:321
20540995236,9cyclictest22731-21grep19:28:321
2053999524,23cyclictest0-21swapper/018:18:390
16742523,42sleep30-21swapper/321:39:063
219499510,3rtkit-daemon20766-21ssh22:13:063
2054299517,7cyclictest34-21rcuc/322:33:363
2054299514,28cyclictest0-21swapper/318:33:423
2054299514,27cyclictest0-21swapper/318:48:513
2054299514,27cyclictest0-21swapper/318:48:513
2054299514,26cyclictest3857-21grep23:28:073
2054299514,26cyclictest3857-21grep23:28:073
20542995132,12cyclictest25241-21cut22:18:283
20542995120,12cyclictest0-21swapper/321:48:383
20542995120,12cyclictest0-21swapper/318:23:193
2054299505,26cyclictest0-21swapper/319:48:413
2054299505,25cyclictest0-21swapper/321:18:283
2054299505,12cyclictest0-21swapper/320:41:223
2054299504,40cyclictest0-21swapper/323:09:423
2054299504,32cyclictest0-21swapper/323:33:573
2054299504,28cyclictest0-21swapper/321:13:403
2054299504,28cyclictest0-21swapper/319:23:473
2054299504,28cyclictest0-21swapper/318:43:343
2054299504,28cyclictest0-21swapper/318:43:343
2054299504,27cyclictest0-21swapper/323:38:273
20542995033,10cyclictest23504-21cpuspeed_turbos18:23:323
20542995033,10cyclictest22221-21tr19:28:273
20542995033,10cyclictest22221-21tr19:28:273
20542994930,11cyclictest14197-21grep20:18:313
2054099495,39cyclictest29910-21chrt21:31:291
2054099495,39cyclictest29910-21chrt21:31:291
2054099493,40cyclictest21041-21cat18:18:311
2054099493,39cyclictest0-21swapper/118:28:211
286482483,10sleep30-21swapper/319:40:593
202742484,6sleep00-21swapper/018:15:190
2054299474,24cyclictest0-21swapper/318:38:293
2054299473,26cyclictest0-21swapper/319:43:363
20542994729,10cyclictest2466-21hwlatdetect19:53:323
2054099473,38cyclictest20648-21cat18:18:191
20540994722,9cyclictest107550irq/46-eth019:38:451
2054099454,13cyclictest0-21swapper/118:38:511
2054099453,9cyclictest0-21swapper/119:10:091
20540994421,7cyclictest19510-21munin-node19:23:471
8312432,35sleep10-21swapper/119:49:111
2054299384,14cyclictest0-21swapper/318:18:193
2054199374,14cyclictest0-21swapper/218:18:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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