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2026-06-08 - 01:53

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
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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 all highest latencies:
System rack1slot6s.osadl.org (updated Mon Jun 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1323899983,52cyclictest19947-21munin-node21:20:430
13242999216,9cyclictest19663-21crond21:20:303
1323899924,78cyclictest0-21swapper/022:04:320
1323899913,81cyclictest0-21swapper/022:45:000
1324299903,13cyclictest0-21swapper/322:37:033
1323899907,65cyclictest0-21swapper/021:16:170
1323899904,79cyclictest0-21swapper/000:30:230
1323899904,78cyclictest6779-21ssh00:10:480
1323899904,78cyclictest6779-21ssh00:10:480
1323899904,78cyclictest0-21swapper/022:10:410
1323899904,78cyclictest0-21swapper/022:10:410
1323899904,52cyclictest0-21swapper/023:40:370
1323899903,80cyclictest0-21swapper/022:52:130
1323899903,80cyclictest0-21swapper/022:52:130
1323899903,79cyclictest11559-21ssh23:30:450
1323899903,79cyclictest0-21swapper/000:06:450
13238999013,54cyclictest0-21swapper/022:20:570
13242998925,9cyclictest22972-21needreboot20:25:593
13242998918,16cyclictest0-21swapper/319:00:463
1323899894,77cyclictest0-21swapper/021:54:230
1323899893,79cyclictest0-21swapper/021:29:300
1323899893,79cyclictest0-21swapper/021:29:300
1323899893,78cyclictest22390-21munin-node23:45:530
1324299884,32cyclictest0-21swapper/300:15:363
1324299883,35cyclictest0-21swapper/322:05:303
1324299883,26cyclictest0-21swapper/321:23:573
1324299883,12cyclictest0-21swapper/322:53:453
1324299883,12cyclictest0-21swapper/322:53:453
1324299880,9cyclictest2768-21kworker/1:022:30:403
1323899884,77cyclictest0-21swapper/023:05:580
1323899884,77cyclictest0-21swapper/022:36:520
1323899884,77cyclictest0-21swapper/000:16:120
1323899884,76cyclictest0-21swapper/023:16:090
1323899884,66cyclictest0-21swapper/000:02:320
1323899883,78cyclictest0-21swapper/023:39:100
1323899883,77cyclictest0-21swapper/022:07:160
1323899883,77cyclictest0-21swapper/021:31:520
1323899883,76cyclictest0-21swapper/023:51:430
1324299874,24cyclictest0-21swapper/323:00:493
13242998720,9cyclictest7373-21memory21:00:553
1323899874,76cyclictest0-21swapper/022:58:460
1323899873,77cyclictest0-21swapper/021:40:560
1323899873,76cyclictest0-21swapper/023:12:340
1323899873,64cyclictest0-21swapper/021:12:030
1323899873,61cyclictest316401munin-node22:25:500
13242998634,45cyclictest0-21swapper/323:35:543
1323899864,75cyclictest0-21swapper/021:00:440
1323899864,74cyclictest0-21swapper/021:36:150
1323899864,64cyclictest0-21swapper/000:00:240
1323899864,63cyclictest0-21swapper/023:26:150
1323899864,63cyclictest0-21swapper/023:26:150
1323899863,76cyclictest0-21swapper/023:01:160
1323899863,76cyclictest0-21swapper/022:30:550
1323899863,76cyclictest0-21swapper/021:07:040
1323899863,49cyclictest14954-21grep20:10:480
1324299856,34cyclictest0-21swapper/323:20:493
1324299854,12cyclictest0-21swapper/321:39:083
1324299853,30cyclictest1227-21runrttasks22:25:293
1323899854,74cyclictest0-21swapper/020:55:460
1323899854,74cyclictest0-21swapper/019:56:560
1323899854,74cyclictest0-21swapper/019:30:530
1323899854,73cyclictest0-21swapper/023:20:570
1323899854,73cyclictest0-21swapper/019:40:550
1323899853,74cyclictest14076-21sed00:20:560
1323899853,63cyclictest0-21swapper/019:10:560
1324299843,35cyclictest0-21swapper/300:06:003
13242998423,11cyclictest1227-21runrttasks23:40:363
1323899844,62cyclictest0-21swapper/022:18:470
1323899843,74cyclictest0-21swapper/021:49:100
1323899843,72cyclictest5976-21diskmemload22:45:490
1323899842,64cyclictest0-21swapper/020:20:460
1323899842,59cyclictest12581-21ssh21:55:550
1324299834,12cyclictest0-21swapper/321:44:233
13242998331,12cyclictest9857-21unixbench_singl21:51:043
13242998327,10cyclictest3847-21needreboot19:45:593
1324299824,36cyclictest0-21swapper/321:10:473
1324299823,41cyclictest15796-21munin-node00:25:593
13242998224,12cyclictest0-21swapper/300:00:393
13242998218,8cyclictest28427-21timerandwakeup21:31:033
1323899825,69cyclictest0-21swapper/020:40:490
1323899824,71cyclictest0-21swapper/020:51:010
1323899824,69cyclictest1227-21runrttasks20:17:450
1324299813,8cyclictest19270-21latency22:05:523
1324299813,34cyclictest0-21swapper/323:50:423
1324299813,16cyclictest0-21swapper/321:59:203
13242998123,15cyclictest0-21swapper/322:40:463
13242998121,9cyclictest14235-21proc_pri22:45:573
1323899814,70cyclictest0-21swapper/019:27:370
1323899813,59cyclictest9824-21munin-node20:00:440
1324299805,19cyclictest0-21swapper/321:47:503
1324299803,33cyclictest0-21swapper/300:23:213
13242998023,13cyclictest0-21swapper/323:17:073
1323899804,68cyclictest0-21swapper/020:45:570
1323899804,68cyclictest0-21swapper/020:45:570
1323899804,60cyclictest0-21swapper/019:47:400
13242997932,10cyclictest5909-21head19:50:563
1324299793,33cyclictest0-21swapper/321:26:283
1324299793,33cyclictest0-21swapper/321:26:283
1324299793,32cyclictest0-21swapper/320:25:333
1324299793,22cyclictest0-21swapper/323:14:093
13242997915,8cyclictest2634-21cat22:30:283
1323899794,69cyclictest0-21swapper/020:07:160
1323899794,69cyclictest0-21swapper/020:07:160
1323899794,68cyclictest0-21swapper/020:30:330
1323899794,68cyclictest0-21swapper/019:16:550
1323899794,68cyclictest0-21swapper/019:00:560
1323899794,66cyclictest0-21swapper/019:20:470
1323899794,66cyclictest0-21swapper/019:20:470
1323899793,60cyclictest0-21swapper/019:05:470
1324299783,25cyclictest0-21swapper/323:28:373
1324299783,25cyclictest0-21swapper/323:28:373
1323899784,67cyclictest0-21swapper/019:51:040
1323899784,58cyclictest0-21swapper/020:32:500
1323899783,61cyclictest0-21swapper/020:37:510
1324299774,33cyclictest0-21swapper/322:55:523
13242997730,9cyclictest21400-21grep23:45:403
1324299773,35cyclictest0-21swapper/323:55:363
1324299762,10cyclictest0-21swapper/322:15:503
1323899753,66cyclictest0-21swapper/019:40:110
1323899753,62cyclictest0-21swapper/019:00:350
219499740,12rtkit-daemon2193-21rtkit-daemon22:29:582
1324299743,26cyclictest20615-21munin-node19:16:063
219499720,3rtkit-daemon2193-21rtkit-daemon23:46:102
219499700,5rtkit-daemon2193-21rtkit-daemon23:20:562
1324099694,10cyclictest13372-21cpuspeed_turbos21:10:451
219499680,15rtkit-daemon2193-21rtkit-daemon00:14:012
219499680,15rtkit-daemon2193-21rtkit-daemon00:14:012
286382670,11sleep31324299cyclictest19:30:543
87292640,6sleep1201ktimersoftd/100:15:111
87292640,6sleep1201ktimersoftd/100:15:111
1324099644,14cyclictest0-21swapper/123:16:131
13241996330,26cyclictest0-21swapper/219:45:542
1324099633,51cyclictest17734-21sshd19:07:151
13240996313,33cyclictest0-21swapper/100:25:251
13241996221,22cyclictest0-21swapper/222:53:532
13241996221,22cyclictest0-21swapper/222:53:532
13240996217,24cyclictest6523-21cpuspeed_turbos21:00:451
219499610,20rtkit-daemon2193-21rtkit-daemon00:07:472
13241996144,12cyclictest0-21swapper/222:20:462
13240996129,25cyclictest10883-21wc22:40:561
42802603,49sleep20-21swapper/221:45:092
219499600,19rtkit-daemon2193-21rtkit-daemon19:27:052
13241996041,13cyclictest0-21swapper/221:56:032
13241996040,14cyclictest0-21swapper/222:39:072
13241995945,7cyclictest12952-21ssh21:10:342
13241995940,13cyclictest0-21swapper/221:31:052
1324199592,51cyclictest0-21swapper/221:50:592
1324099594,12cyclictest0-21swapper/123:05:281
1324099594,11cyclictest0-21swapper/123:40:481
1324099593,12cyclictest0-21swapper/121:40:551
1324099593,12cyclictest0-21swapper/100:05:581
13241995842,11cyclictest0-21swapper/222:10:422
13241995842,11cyclictest0-21swapper/222:10:422
13241995839,11cyclictest14457-21cut23:35:382
13241995826,25cyclictest0-21swapper/222:00:492
13240995832,11cyclictest9949-21tail20:00:451
1324099583,11cyclictest0-21swapper/122:11:421
1324099583,11cyclictest0-21swapper/122:11:421
13241995728,12cyclictest0-21swapper/200:15:422
13240995740,10cyclictest32128-21df_abs22:25:441
1324099573,11cyclictest0-21swapper/121:15:561
1324099573,11cyclictest0-21swapper/119:20:361
66842563,47sleep10-21swapper/121:46:371
220412564,46sleep20-21swapper/219:16:072
219499560,6rtkit-daemon2193-21rtkit-daemon21:39:222
219499560,6rtkit-daemon2193-21rtkit-daemon20:50:323
219499560,6rtkit-daemon2193-21rtkit-daemon20:50:323
219499560,5rtkit-daemon2193-21rtkit-daemon22:15:512
13241995641,10cyclictest0-21swapper/223:41:182
13241995641,10cyclictest0-21swapper/223:08:422
1324199564,45cyclictest26559-21munin-run21:30:302
1324199564,45cyclictest26559-21munin-run21:30:302
1324199564,45cyclictest0-21swapper/222:05:422
1324199564,35cyclictest0-21swapper/223:27:022
1324199564,35cyclictest0-21swapper/223:27:022
1324199564,27cyclictest0-21swapper/223:15:372
13241995639,12cyclictest0-21swapper/223:55:582
13241995639,12cyclictest0-21swapper/200:25:462
1324199563,37cyclictest0-21swapper/222:47:202
13241995623,13cyclictest0-21swapper/221:20:442
13241995622,13cyclictest0-21swapper/221:05:482
13241995613,24cyclictest0-21swapper/222:31:382
13241995611,28cyclictest0-21swapper/222:44:432
1324099566,22cyclictest0-21swapper/123:45:441
219499550,5rtkit-daemon2193-21rtkit-daemon20:39:173
219499550,5rtkit-daemon2193-21rtkit-daemon20:00:343
210382552,47sleep10-21swapper/122:09:391
1324199555,44cyclictest0-21swapper/219:31:022
1324199555,42cyclictest0-21swapper/219:55:352
1324199555,30cyclictest0-21swapper/220:10:592
1324199555,30cyclictest0-21swapper/219:41:032
1324199554,44cyclictest0-21swapper/220:15:462
13241995538,12cyclictest0-21swapper/223:10:422
13241995534,13cyclictest0-21swapper/221:15:492
1324199553,44cyclictest0-21swapper/200:22:212
13241995515,24cyclictest0-21swapper/223:53:372
13241995514,24cyclictest0-21swapper/223:04:162
13240995521,16cyclictest1227-21runrttasks23:52:431
227802543,11sleep20-21swapper/220:25:562
219499540,6rtkit-daemon2193-21rtkit-daemon20:55:323
219499540,5rtkit-daemon2193-21rtkit-daemon20:45:323
219499540,5rtkit-daemon2193-21rtkit-daemon20:05:343
219499540,5rtkit-daemon2193-21rtkit-daemon19:25:353
219499540,5rtkit-daemon2193-21rtkit-daemon19:25:353
191562542,10sleep10-21swapper/122:54:501
191562542,10sleep10-21swapper/122:54:501
140532542,11sleep10-21swapper/120:06:281
140532542,11sleep10-21swapper/120:06:281
1324199544,44cyclictest0-21swapper/221:02:412
1324199544,30cyclictest0-21swapper/200:00:522
1324199544,28cyclictest0-21swapper/220:00:342
1324199544,26cyclictest0-21swapper/219:37:392
13241995437,12cyclictest0-21swapper/222:57:492
13241995421,10cyclictest12101-21ssh23:30:512
1324099545,31cyclictest0-21swapper/121:05:501
1324099545,12cyclictest0-21swapper/121:37:081
1324099544,32cyclictest0-21swapper/123:55:571
1324099544,12cyclictest0-21swapper/122:25:021
13240995436,10cyclictest13797-21tr19:00:491
13240995427,9cyclictest26501-21aten_r1power_vo23:05:381
88682532,44sleep10-21swapper/119:56:041
312732533,42sleep10-21swapper/100:00:371
219499530,5rtkit-daemon2193-21rtkit-daemon19:25:583
219499530,5rtkit-daemon2193-21rtkit-daemon19:10:583
1324299533,42cyclictest0-21swapper/322:15:293
1324299533,42cyclictest0-21swapper/322:15:293
1324199534,28cyclictest0-21swapper/220:05:462
1324199534,28cyclictest0-21swapper/220:05:462
1324199534,27cyclictest0-21swapper/219:00:472
13241995319,13cyclictest0-21swapper/221:46:402
1324099535,11cyclictest0-21swapper/123:21:171
1324099534,31cyclictest0-21swapper/121:25:421
1324099534,31cyclictest0-21swapper/121:25:421
1324099534,30cyclictest0-21swapper/122:45:481
1324099534,29cyclictest0-21swapper/121:32:291
1324099534,13cyclictest0-21swapper/122:40:251
13240995336,10cyclictest5573-21unixbench_singl20:56:051
1324099533,12cyclictest0-21swapper/122:59:371
13240995322,14cyclictest0-21swapper/120:50:041
13240995322,14cyclictest0-21swapper/120:50:041
130562533,42sleep31124-21snmpd20:05:543
130562533,42sleep31124-21snmpd20:05:543
219499520,5rtkit-daemon2193-21rtkit-daemon20:35:323
1324299523,42cyclictest0-21swapper/300:13:553
1324299523,42cyclictest0-21swapper/300:13:553
1324199528,26cyclictest0-21swapper/220:55:472
1324199524,25cyclictest0-21swapper/220:52:542
13241995232,15cyclictest0-21swapper/220:40:442
13241995220,12cyclictest0-21swapper/220:00:472
1324199522,33cyclictest0-21swapper/219:15:352
1324199522,30cyclictest0-21swapper/220:25:332
13241995218,12cyclictest0-21swapper/219:25:362
13241995218,12cyclictest0-21swapper/219:25:362
13241995217,12cyclictest0-21swapper/219:07:342
1324099524,26cyclictest25659-21perl22:15:481
1324099524,13cyclictest0-21swapper/123:11:031
1324099524,11cyclictest0-21swapper/121:20:531
13240995221,13cyclictest0-21swapper/120:41:041
13240995221,10cyclictest8778-21ssh21:50:481
13240995220,14cyclictest0-21swapper/119:30:481
13240995215,22cyclictest21-21ksoftirqd/122:30:431
13240995211,25cyclictest8525-21idleruntime23:25:481
13240995211,25cyclictest8525-21idleruntime23:25:481
70212513,40sleep10-21swapper/119:53:141
219499510,4rtkit-daemon2193-21rtkit-daemon19:38:273
1324199514,28cyclictest0-21swapper/220:30:522
13241995117,12cyclictest0-21swapper/220:45:432
13241995117,12cyclictest0-21swapper/220:45:432
13241995117,12cyclictest0-21swapper/220:36:062
1324099515,13cyclictest0-21swapper/123:38:281
1324099514,29cyclictest1892-21unixbench_singl19:41:071
1324099514,29cyclictest0-21swapper/120:35:531
13240995120,13cyclictest0-21swapper/120:31:051
45622502,41sleep10-21swapper/119:47:381
19732502,40sleep30-21swapper/319:41:233
1324099504,29cyclictest0-21swapper/119:10:531
1324099504,28cyclictest0-21swapper/123:33:311
1324099504,28cyclictest0-21swapper/119:35:541
1324099504,27cyclictest0-21swapper/120:11:041
1324099504,27cyclictest0-21swapper/100:30:031
1324099504,14cyclictest0-21swapper/122:01:581
1324099503,29cyclictest0-21swapper/100:17:261
1324099494,28cyclictest0-21swapper/120:20:471
1324099494,28cyclictest0-21swapper/119:25:511
13240994924,9cyclictest12586-21missed_timers21:55:551
13240994916,12cyclictest0-21swapper/120:16:111
248102482,39sleep10-21swapper/119:21:141
248102482,39sleep10-21swapper/119:21:141
1324199484,33cyclictest0-21swapper/219:00:362
189012472,39sleep30-21swapper/320:17:273
13242994719,21cyclictest3940-21aten_r1power_po20:55:433
1324099474,26cyclictest0-21swapper/120:27:501
1324299463,20cyclictest0-21swapper/323:05:583
1324299462,40cyclictest0-21swapper/321:09:493
13242994617,22cyclictest13619-21ssh23:33:553
13240994615,13cyclictest0-21swapper/120:50:511
109482434,30sleep30-21swapper/318:55:383
219499420,4rtkit-daemon2193-21rtkit-daemon19:05:583
13242994127,8cyclictest16349-21head20:11:083
1324099323,25cyclictest0-21swapper/119:00:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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