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2024-07-25 - 11:55

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 the 376 highest latencies:
System rack1slot6s.osadl.org (updated Thu Jul 25, 2024 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1433121130,13sleep11718499cyclictest20:44:121
1433121130,13sleep11718499cyclictest20:44:121
1718599914,12cyclictest0-21swapper/220:22:372
1718599904,30cyclictest1304-21runrttasks22:30:362
1718599903,24cyclictest0-21swapper/222:26:162
244399890,5rtkit-daemon2442-21rtkit-daemon22:43:390
244399890,5rtkit-daemon2442-21rtkit-daemon22:43:390
244399880,5rtkit-daemon2442-21rtkit-daemon18:54:180
244399880,4rtkit-daemon2442-21rtkit-daemon23:46:140
244399880,11rtkit-daemon0-21swapper/120:16:071
244399860,8rtkit-daemon0-21swapper/122:32:471
17185998641,38cyclictest0-21swapper/219:29:442
17183998632,13cyclictest0-21swapper/020:09:390
1718599854,32cyclictest0-21swapper/222:14:282
1718599854,22cyclictest14513-21cat19:34:502
17185998525,12cyclictest0-21swapper/221:39:332
244399840,5rtkit-daemon2442-21rtkit-daemon21:08:350
244399840,4rtkit-daemon2442-21rtkit-daemon19:33:310
1718599844,33cyclictest0-21swapper/221:59:392
1718599844,33cyclictest0-21swapper/221:59:392
1718599844,27cyclictest0-21swapper/221:44:272
1718599843,36cyclictest16060-21head21:49:332
17185998411,11cyclictest17865-21fschecks_time20:49:362
1718599835,25cyclictest0-21swapper/220:04:312
1718599834,33cyclictest0-21swapper/222:21:412
1718599834,26cyclictest0-21swapper/222:54:382
1718599834,26cyclictest0-21swapper/219:24:282
1718599834,13cyclictest0-21swapper/223:29:302
1718599833,28cyclictest0-21swapper/222:59:232
17185998325,12cyclictest0-21swapper/218:49:522
17185998317,12cyclictest0-21swapper/220:48:352
244399820,4rtkit-daemon2442-21rtkit-daemon21:21:420
244399820,4rtkit-daemon2442-21rtkit-daemon21:21:420
1718599824,19cyclictest0-21swapper/220:39:172
1718599823,26cyclictest0-21swapper/221:04:302
17185998226,50cyclictest0-21swapper/220:24:432
17185998225,9cyclictest1304-21runrttasks18:49:212
244399810,11rtkit-daemon0-21swapper/121:53:481
1718599814,28cyclictest0-21swapper/221:14:452
1718599814,28cyclictest0-21swapper/221:14:452
1718599814,26cyclictest0-21swapper/222:04:212
1718599814,13cyclictest0-21swapper/219:11:172
1718599813,27cyclictest0-21swapper/219:04:522
17185998127,12cyclictest1304-21runrttasks22:34:352
244399800,4rtkit-daemon12-21rcu_preempt20:09:451
1718599804,32cyclictest0-21swapper/221:02:362
1718599804,23cyclictest0-21swapper/219:49:302
1718599804,12cyclictest0-21swapper/219:19:372
1718599804,12cyclictest0-21swapper/219:19:372
1718599803,11cyclictest0-21swapper/221:29:512
17185998023,12cyclictest0-21swapper/220:29:402
17185998016,12cyclictest0-21swapper/200:04:092
17185998016,12cyclictest0-21swapper/200:04:092
244399790,6rtkit-daemon0-21swapper/123:50:511
1718599793,34cyclictest0-21swapper/219:54:282
1718599793,27cyclictest0-21swapper/219:44:372
17185997912,13cyclictest0-21swapper/223:56:272
244399780,10rtkit-daemon0-21swapper/120:24:441
1718599784,33cyclictest0-21swapper/223:49:082
1718599784,32cyclictest0-21swapper/221:34:242
1718599784,14cyclictest0-21swapper/223:09:102
1718599784,12cyclictest0-21swapper/222:49:382
17185997817,12cyclictest0-21swapper/220:09:432
244399770,11rtkit-daemon0-21swapper/123:48:211
1718599774,30cyclictest0-21swapper/222:39:282
1718599774,30cyclictest0-21swapper/222:39:282
1718599774,12cyclictest0-21swapper/223:14:262
1718599774,12cyclictest0-21swapper/223:14:262
1718599773,22cyclictest0-21swapper/218:39:342
1718599773,22cyclictest0-21swapper/218:39:342
17185997713,12cyclictest0-21swapper/218:54:312
244399760,7rtkit-daemon0-21swapper/122:14:021
244399760,7rtkit-daemon0-21swapper/121:14:051
1718599766,26cyclictest17410-21latency_hist21:54:152
1718599764,23cyclictest0-21swapper/221:14:002
1718599763,22cyclictest0-21swapper/221:19:282
1718599763,22cyclictest0-21swapper/221:19:282
17185997624,12cyclictest0-21swapper/219:42:102
244399750,8rtkit-daemon0-21swapper/119:34:161
244399750,6rtkit-daemon0-21swapper/121:24:421
244399750,5rtkit-daemon2442-21rtkit-daemon19:59:530
244399750,5rtkit-daemon2442-21rtkit-daemon19:59:530
1718599753,14cyclictest0-21swapper/219:59:262
1718599753,14cyclictest0-21swapper/219:59:262
244399740,8rtkit-daemon0-21swapper/121:46:261
244399740,7rtkit-daemon0-21swapper/122:24:241
244399740,30rtkit-daemon25234-21cpuspeed_turbos18:54:331
244399740,13rtkit-daemon0-21swapper/121:33:041
1718599744,27cyclictest0-21swapper/223:24:452
1718599743,36cyclictest0-21swapper/223:42:182
17185997413,13cyclictest0-21swapper/221:29:162
244399730,7rtkit-daemon0-21swapper/121:54:331
244399730,6rtkit-daemon0-21swapper/119:39:381
1718599734,29cyclictest1304-21runrttasks23:36:152
1718599733,34cyclictest0-21swapper/219:14:302
244399720,7rtkit-daemon0-21swapper/122:39:391
244399720,7rtkit-daemon0-21swapper/122:39:391
244399720,7rtkit-daemon0-21swapper/120:59:431
1718599724,34cyclictest0-21swapper/223:19:232
1718599724,33cyclictest0-21swapper/222:44:272
17185997216,12cyclictest0-21swapper/222:09:232
244399710,7rtkit-daemon29822-21munin-node21:14:271
244399710,7rtkit-daemon29822-21munin-node21:14:271
244399710,7rtkit-daemon0-21swapper/119:49:531
1718599714,32cyclictest0-21swapper/200:09:092
244399700,12rtkit-daemon0-21swapper/121:42:411
244399700,12rtkit-daemon0-21swapper/120:44:511
244399700,12rtkit-daemon0-21swapper/120:08:521
244399690,9rtkit-daemon0-21swapper/119:08:321
244399690,12rtkit-daemon0-21swapper/120:37:361
244399690,12rtkit-daemon0-21swapper/119:35:081
244399690,12rtkit-daemon0-21swapper/119:15:321
244399690,12rtkit-daemon0-21swapper/119:03:321
244399690,11rtkit-daemon0-21swapper/122:21:101
244399690,11rtkit-daemon0-21swapper/122:18:171
244399690,11rtkit-daemon0-21swapper/122:08:481
244399690,11rtkit-daemon0-21swapper/120:52:281
244399690,11rtkit-daemon0-21swapper/119:26:011
244399690,10rtkit-daemon0-21swapper/123:55:061
244399690,10rtkit-daemon0-21swapper/122:35:241
244399690,10rtkit-daemon0-21swapper/121:34:561
244399690,10rtkit-daemon0-21swapper/121:06:421
244399690,10rtkit-daemon0-21swapper/120:57:051
244399690,10rtkit-daemon0-21swapper/120:31:061
244399690,10rtkit-daemon0-21swapper/120:03:071
244399690,10rtkit-daemon0-21swapper/120:03:071
244399690,10rtkit-daemon0-21swapper/119:55:381
244399690,10rtkit-daemon0-21swapper/119:09:321
244399690,10rtkit-daemon0-21swapper/100:01:211
244399690,10rtkit-daemon0-21swapper/100:01:211
1718599693,8cyclictest28125-21grep18:59:372
244399680,9rtkit-daemon0-21swapper/119:46:531
244399680,8rtkit-daemon0-21swapper/122:00:481
244399680,8rtkit-daemon0-21swapper/122:00:481
244399680,12rtkit-daemon0-21swapper/121:22:571
244399680,12rtkit-daemon0-21swapper/121:22:571
244399680,11rtkit-daemon0-21swapper/120:20:071
244399680,11rtkit-daemon0-21swapper/119:23:091
244399680,11rtkit-daemon0-21swapper/119:23:091
244399680,11rtkit-daemon0-21swapper/100:06:201
1718599684,13cyclictest0-21swapper/223:09:222
244399670,6rtkit-daemon18-21rcuc/122:44:391
17185996727,10cyclictest0-21swapper/220:14:382
1718599663,21cyclictest5417-21munin-node23:49:212
1718699654,52cyclictest0-21swapper/321:34:253
244399640,8rtkit-daemon0-21swapper/323:29:443
244399640,4rtkit-daemon2442-21rtkit-daemon22:45:393
244399630,5rtkit-daemon18450-21cpuspeed_turbos22:59:233
244399630,11rtkit-daemon0-21swapper/322:52:463
244399630,10rtkit-daemon0-21swapper/323:38:443
244399630,10rtkit-daemon0-21swapper/322:54:163
1718699634,52cyclictest0-21swapper/320:09:533
1718699634,52cyclictest0-21swapper/319:44:193
1718699634,51cyclictest0-21swapper/318:49:303
17185996327,10cyclictest0-21swapper/220:43:502
17185996327,10cyclictest0-21swapper/220:43:502
244399620,9rtkit-daemon0-21swapper/323:20:453
244399620,8rtkit-daemon0-21swapper/323:15:153
244399620,8rtkit-daemon0-21swapper/323:15:153
244399620,8rtkit-daemon0-21swapper/323:13:153
244399620,8rtkit-daemon0-21swapper/323:06:153
244399620,10rtkit-daemon0-21swapper/323:40:293
244399620,10rtkit-daemon0-21swapper/323:26:003
244399620,10rtkit-daemon0-21swapper/318:40:113
244399620,10rtkit-daemon0-21swapper/318:40:113
1718499627,32cyclictest0-21swapper/118:49:221
244399610,8rtkit-daemon0-21swapper/321:07:353
244399610,11rtkit-daemon0-21swapper/323:44:593
244399610,10rtkit-daemon0-21swapper/318:44:253
1718699614,50cyclictest0-21swapper/319:57:583
17184996140,13cyclictest25757-21munin-node23:14:201
17184996140,13cyclictest25757-21munin-node23:14:201
244399600,10rtkit-daemon0-21swapper/319:59:233
244399600,10rtkit-daemon0-21swapper/319:59:233
1718699604,49cyclictest0-21swapper/319:19:513
1718699604,49cyclictest0-21swapper/319:19:513
1718699604,46cyclictest0-21swapper/321:19:273
1718699604,46cyclictest0-21swapper/321:19:273
1718699594,47cyclictest0-21swapper/322:09:223
17186995923,11cyclictest28919-21grep20:04:383
154532595,46sleep015655-21perl18:34:380
154532595,46sleep015655-21perl18:34:380
1718399584,47cyclictest0-21swapper/023:04:400
126592586,44sleep00-21swapper/021:44:260
1718699575,45cyclictest0-21swapper/321:24:363
1718399574,12cyclictest0-21swapper/022:04:460
1718399573,18cyclictest0-21swapper/018:44:410
1718399573,13cyclictest0-21swapper/021:14:480
1718399573,13cyclictest0-21swapper/021:14:480
244399560,5rtkit-daemon2442-21rtkit-daemon18:34:482
244399560,5rtkit-daemon2442-21rtkit-daemon18:34:482
1718399553,30cyclictest295122ls22:14:460
272492545,10sleep00-21swapper/018:59:190
202692542,11sleep30-21swapper/321:59:243
202692542,11sleep30-21swapper/321:59:243
17186995431,14cyclictest960-21tr20:14:303
17185995433,14cyclictest0-21swapper/220:56:362
17184995437,12cyclictest0-21swapper/122:49:261
17184995422,14cyclictest0-21swapper/123:09:351
1718399543,44cyclictest0-21swapper/023:25:570
76852532,43sleep00-21swapper/023:53:570
229682535,7sleep00-21swapper/020:59:350
1718699534,30cyclictest0-21swapper/320:59:493
1718699534,19cyclictest0-21swapper/321:19:163
1718699534,19cyclictest0-21swapper/321:19:163
17186995333,11cyclictest12367-21cut20:39:323
17186995333,11cyclictest12367-21cut20:39:323
17186995316,29cyclictest0-21swapper/319:49:313
1718499535,30cyclictest0-21swapper/123:04:261
17184995318,16cyclictest0-21swapper/123:01:301
323672522,10sleep00-21swapper/022:21:540
201072522,43sleep00-21swapper/019:47:440
1718699524,42cyclictest0-21swapper/322:19:243
1718699524,28cyclictest0-21swapper/321:29:303
17186995234,10cyclictest18650-21gltestperf21:54:323
1718699523,43cyclictest0-21swapper/319:04:303
1718499524,29cyclictest0-21swapper/122:54:191
17184995233,12cyclictest0-21swapper/123:24:351
17184995218,14cyclictest0-21swapper/118:49:461
1718399524,13cyclictest0-21swapper/020:24:370
81222513,41sleep30-21swapper/323:56:423
195052512,9sleep00-21swapper/018:42:020
195052512,9sleep00-21swapper/018:42:020
1718699514,29cyclictest0-21swapper/320:54:403
1718699514,28cyclictest0-21swapper/320:44:493
1718699513,29cyclictest0-21swapper/320:24:443
1718699513,13cyclictest0-21swapper/322:04:263
17186995117,13cyclictest0-21swapper/322:34:273
1718499514,19cyclictest29254-21gltestperf23:19:281
17184995131,14cyclictest0-21swapper/123:40:291
1718499513,41cyclictest0-21swapper/123:29:331
17184995121,12cyclictest0-21swapper/123:37:561
1718399513,41cyclictest0-21swapper/000:06:230
1718399513,31cyclictest0-21swapper/019:24:510
17183995120,10cyclictest22998-21latency_hist23:09:110
17183995118,18cyclictest28612-21ntp_offset21:09:440
100552514,9sleep30-21swapper/322:40:033
100552514,9sleep30-21swapper/322:40:033
82892502,10sleep00-21swapper/023:58:530
24342504,10sleep00-21swapper/019:13:260
1738825015,28sleep00-21swapper/019:40:150
1718699505,26cyclictest0-21swapper/321:44:263
1718699504,27cyclictest0-21swapper/320:49:353
1718699504,27cyclictest0-21swapper/319:39:193
17186995018,12cyclictest0-21swapper/323:49:253
1718399504,32cyclictest134802ntpdc20:40:010
1718399504,32cyclictest134802ntpdc20:40:010
1718399503,13cyclictest0-21swapper/021:29:390
17183995021,12cyclictest0-21swapper/023:37:170
123322502,9sleep00-21swapper/021:43:570
305692492,40sleep00-21swapper/023:24:060
1718699494,8cyclictest1827-21open_inodes22:24:393
1718699494,28cyclictest0-21swapper/319:24:343
1718699494,28cyclictest0-21swapper/318:54:503
17186994930,11cyclictest1304-21runrttasks20:29:353
1718399494,27cyclictest0-21swapper/020:19:350
1718399493,9cyclictest0-21swapper/019:34:480
1718399493,40cyclictest0-21swapper/023:59:290
1718399493,40cyclictest0-21swapper/023:59:290
1718399493,31cyclictest25817-21telnet23:14:200
1718399493,31cyclictest25817-21telnet23:14:200
191452482,9sleep00-21swapper/020:51:050
1718699485,26cyclictest27860-21aten2.4-expect22:14:223
1718699484,36cyclictest0-21swapper/300:09:083
1718699484,27cyclictest0-21swapper/321:10:363
1718699484,25cyclictest0-21swapper/320:23:013
1718699484,24cyclictest0-21swapper/321:54:153
17186994830,11cyclictest993-21fschecks_time19:09:403
1718699482,10cyclictest0-21swapper/319:44:353
1718399484,14cyclictest0-21swapper/023:29:280
321952472,39sleep00-21swapper/019:08:060
3082472,37sleep00-21swapper/022:24:200
1718699474,28cyclictest0-21swapper/318:59:493
1718699473,26cyclictest0-21swapper/319:29:433
17184994728,11cyclictest17422-21aten_r1power_cu18:39:311
17184994728,11cyclictest17422-21aten_r1power_cu18:39:311
1718399475,13cyclictest0-21swapper/021:49:310
1718399474,25cyclictest0-21swapper/022:00:460
1718399474,25cyclictest0-21swapper/022:00:460
17183994731,9cyclictest2644-21head21:24:290
1718399473,39cyclictest0-21swapper/019:04:060
1718399473,26cyclictest0-21swapper/022:44:280
17183994722,19cyclictest6836-21cat22:34:350
105582472,9sleep00-21swapper/020:32:510
251212462,10sleep00-21swapper/019:57:240
225352462,38sleep00-21swapper/019:51:310
1718699462,32cyclictest0-21swapper/320:34:463
1718699462,11cyclictest0-21swapper/322:29:403
1718399464,36cyclictest0-21swapper/021:54:380
1718399464,25cyclictest0-21swapper/022:09:220
1718399463,8cyclictest1304-21runrttasks19:16:130
145672462,38sleep00-21swapper/020:44:200
44672452,9sleep00-21swapper/023:42:490
300422452,9sleep00-21swapper/020:05:460
1718699456,22cyclictest0-21swapper/319:14:323
1718699454,25cyclictest0-21swapper/321:39:243
1718699452,10cyclictest0-21swapper/300:03:373
1718699452,10cyclictest0-21swapper/300:03:373
1718399454,25cyclictest0-21swapper/022:54:210
1718399453,9cyclictest0-21swapper/021:34:180
1718399453,9cyclictest0-21swapper/020:16:390
204432442,9sleep00-21swapper/023:03:470
1718399445,32cyclictest0-21swapper/022:49:210
1718399444,13cyclictest0-21swapper/022:29:330
1718399443,9cyclictest0-21swapper/020:59:170
1718399443,25cyclictest0-21swapper/019:19:410
1718399443,25cyclictest0-21swapper/019:19:410
1718399433,14cyclictest0-21swapper/020:34:290
170112414,31sleep10-21swapper/118:37:361
170112414,31sleep10-21swapper/118:37:361
17186993716,9cyclictest0-21swapper/318:39:223
17186993716,9cyclictest0-21swapper/318:39:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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