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2026-01-08 - 09:17

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 Jan 08, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1575999944,83cyclictest0-21swapper/023:26:190
1575999924,25cyclictest0-21swapper/020:47:480
1575999903,26cyclictest0-21swapper/022:21:040
1575999903,24cyclictest0-21swapper/019:46:360
1575999894,27cyclictest0-21swapper/019:11:050
1575999893,27cyclictest0-21swapper/022:00:560
1575999883,25cyclictest0-21swapper/023:50:500
1575999874,76cyclictest0-21swapper/022:35:590
1575999873,27cyclictest0-21swapper/023:56:010
1575999873,27cyclictest0-21swapper/023:56:010
1575999873,25cyclictest0-21swapper/022:25:510
1575999873,25cyclictest0-21swapper/022:25:510
15759998727,52cyclictest28590-21grep23:40:520
1575999864,75cyclictest0-21swapper/021:50:500
15759998628,51cyclictest11634-21unixbench_singl21:56:110
1575999855,74cyclictest0-21swapper/019:19:480
15759998531,47cyclictest19919-21unixbench_multi23:21:050
1575999853,24cyclictest6030-21latency_hist22:55:350
1575999845,70cyclictest0-21swapper/019:26:290
1575999844,72cyclictest0-21swapper/020:25:570
1575999834,72cyclictest0-21swapper/022:55:420
1575999834,27cyclictest0-21swapper/022:15:530
1575999833,73cyclictest0-21swapper/021:00:560
1575999833,73cyclictest0-21swapper/021:00:560
15759998326,50cyclictest1419-21runrttasks19:05:540
15759998317,57cyclictest0-21swapper/023:05:450
1575999824,71cyclictest0-21swapper/018:46:090
1575999824,71cyclictest0-21swapper/018:46:090
1575999824,26cyclictest0-21swapper/022:12:110
1575999823,29cyclictest1419-21runrttasks21:35:480
15759998226,50cyclictest10663-21grep19:40:590
15759998222,54cyclictest0-21swapper/023:10:470
1575999814,27cyclictest0-21swapper/023:50:330
1575999813,25cyclictest0-21swapper/018:51:090
15759998122,8cyclictest1419-21runrttasks22:44:150
15759998122,52cyclictest0-21swapper/021:16:030
1575999803,32cyclictest17475-21cpuspeed_turbos19:55:540
1575999793,67cyclictest0-21swapper/020:03:210
1575999793,30cyclictest0-21swapper/021:26:120
1575999784,67cyclictest0-21swapper/020:41:060
1575999783,67cyclictest0-21swapper/020:05:530
1575999783,27cyclictest2850-21telnet21:40:510
1575999774,27cyclictest0-21swapper/023:15:480
1575999773,12cyclictest8673-21head23:00:450
1575999773,10cyclictest22849-21grep21:15:390
15759997727,10cyclictest11480-21cpuspeed_turbos20:50:520
1575999772,20cyclictest0-21swapper/018:57:310
1575999764,65cyclictest0-21swapper/020:36:460
1575999764,23cyclictest0-21swapper/019:31:020
1575999764,23cyclictest0-21swapper/019:31:020
1575999763,65cyclictest0-21swapper/021:30:500
1575999763,26cyclictest0-21swapper/021:20:520
1575999763,26cyclictest0-21swapper/020:55:550
15759997625,8cyclictest15800-21wc22:06:010
15759997621,7cyclictest1419-21runrttasks23:35:170
15759997613,12cyclictest15078-21cpuspeed_turbos19:50:540
1575999754,11cyclictest0-21swapper/022:30:560
1575999753,27cyclictest0-21swapper/021:07:510
1575999753,25cyclictest9805-21munin-node00:10:530
1575999753,13cyclictest0-21swapper/000:05:420
1575999753,12cyclictest0-21swapper/019:20:560
15759997522,8cyclictest24706-21sh20:10:530
15759997521,47cyclictest0-21swapper/023:35:520
15759997519,11cyclictest0-21swapper/019:01:060
15759997510,13cyclictest0-21swapper/019:36:170
1575999744,13cyclictest0-21swapper/020:20:410
1575999744,13cyclictest0-21swapper/020:20:410
1575999743,30cyclictest0-21swapper/022:45:540
1575999742,61cyclictest0-21swapper/020:21:410
1575999723,12cyclictest0-21swapper/000:00:560
1575999713,22cyclictest0-21swapper/020:31:050
1575999713,10cyclictest1287-21snmpd21:47:570
1575999713,10cyclictest1287-21snmpd21:47:570
1576199643,53cyclictest0-21swapper/221:26:052
248599630,5rtkit-daemon2484-21rtkit-daemon19:06:071
15760996322,15cyclictest0-21swapper/118:51:121
15760996229,18cyclictest0-21swapper/121:53:491
1576199603,51cyclictest0-21swapper/220:27:452
1576099604,34cyclictest0-21swapper/122:26:061
1576099604,34cyclictest0-21swapper/122:26:061
1576099604,30cyclictest0-21swapper/119:26:101
15760996022,15cyclictest0-21swapper/119:51:001
300842590,5sleep230085-21uname20:21:032
248599590,19rtkit-daemon2484-21rtkit-daemon22:16:371
1576299594,14cyclictest0-21swapper/321:56:003
1576199593,50cyclictest0-21swapper/220:16:122
1576199593,50cyclictest0-21swapper/220:16:122
1576099595,30cyclictest0-21swapper/123:35:321
1576099594,30cyclictest0-21swapper/119:21:141
248599580,4rtkit-daemon2484-21rtkit-daemon22:10:441
15760995832,10cyclictest20906-21aten2.4-expect18:55:551
1576099574,45cyclictest0-21swapper/119:31:001
1576099574,45cyclictest0-21swapper/119:31:001
15760995730,10cyclictest0-21swapper/123:05:341
1576099573,29cyclictest0-21swapper/123:35:591
15760995728,11cyclictest0-21swapper/120:05:581
248599560,4rtkit-daemon2484-21rtkit-daemon21:06:541
248599560,4rtkit-daemon2484-21rtkit-daemon21:02:021
248599560,4rtkit-daemon2484-21rtkit-daemon21:02:021
1576099564,15cyclictest0-21swapper/121:17:531
15760995630,12cyclictest0-21swapper/122:03:001
248599550,5rtkit-daemon2484-21rtkit-daemon20:30:411
1576299554,31cyclictest0-21swapper/318:55:543
1576299554,19cyclictest0-21swapper/321:20:503
15762995523,13cyclictest0-21swapper/322:26:053
15762995523,13cyclictest0-21swapper/322:26:053
1576199553,46cyclictest0-21swapper/220:05:532
144812558,36sleep20-21swapper/218:41:022
142992553,45sleep20-21swapper/220:55:592
248599540,5rtkit-daemon2484-21rtkit-daemon22:40:361
248599540,4rtkit-daemon2484-21rtkit-daemon20:30:561
1576299545,29cyclictest0-21swapper/320:56:103
1576299544,31cyclictest0-21swapper/322:15:363
1576299544,29cyclictest0-21swapper/323:01:093
1576199544,35cyclictest0-21swapper/222:38:052
1576199543,45cyclictest0-21swapper/223:55:442
1576199543,45cyclictest0-21swapper/223:55:442
1576199543,45cyclictest0-21swapper/223:40:452
1576199543,45cyclictest0-21swapper/200:00:592
15760995428,11cyclictest0-21swapper/121:41:021
89642534,42sleep10-21swapper/119:36:131
218452532,44sleep20-21swapper/223:26:002
1576299535,29cyclictest0-21swapper/323:25:563
1576299535,29cyclictest0-21swapper/320:20:593
1576299535,29cyclictest0-21swapper/319:11:053
1576299535,28cyclictest0-21swapper/322:30:543
1576299535,28cyclictest0-21swapper/318:51:143
1576299535,28cyclictest0-21swapper/300:10:573
1576299534,32cyclictest0-21swapper/322:36:033
1576299534,29cyclictest0-21swapper/322:22:423
15762995335,10cyclictest19035-21gltestperf23:20:513
15762995321,14cyclictest0-21swapper/320:16:123
15762995321,14cyclictest0-21swapper/320:16:123
1576199533,44cyclictest0-21swapper/223:00:352
1576199532,44cyclictest0-21swapper/223:50:322
1576099535,28cyclictest0-21swapper/118:48:501
1576099535,28cyclictest0-21swapper/118:48:501
15760995328,10cyclictest0-21swapper/120:45:591
15760995325,8cyclictest13432-21cat20:55:401
15760995320,13cyclictest0-21swapper/123:11:081
150632530,6sleep315064-21expr19:50:543
101342534,43sleep30-21swapper/319:40:553
214972524,43sleep10-21swapper/120:03:381
179122522,10sleep20-21swapper/218:47:582
179122522,10sleep20-21swapper/218:47:582
1576299526,24cyclictest18058-21awk21:05:393
1576299526,24cyclictest18058-21awk21:05:393
1576299525,28cyclictest0-21swapper/323:45:563
1576299525,28cyclictest0-21swapper/321:36:113
1576299525,28cyclictest0-21swapper/321:16:093
1576299525,28cyclictest0-21swapper/319:16:043
1576299525,27cyclictest0-21swapper/323:11:053
1576299524,29cyclictest0-21swapper/323:55:513
1576299524,29cyclictest0-21swapper/323:55:513
1576299524,29cyclictest0-21swapper/323:31:053
15762995236,10cyclictest21316-21cut21:10:563
15762995235,10cyclictest32219-21gltestperf22:40:543
15762995234,11cyclictest17740-21unixbench_singl18:46:173
15762995234,11cyclictest17740-21unixbench_singl18:46:173
1576199524,41cyclictest0-21swapper/219:50:522
1576199524,40cyclictest0-21swapper/220:45:492
1576199523,43cyclictest0-21swapper/221:00:492
1576199523,43cyclictest0-21swapper/221:00:492
1576199523,43cyclictest0-21swapper/218:51:122
1576199522,44cyclictest0-21swapper/221:50:382
1576199522,44cyclictest0-21swapper/221:50:382
15761995215,22cyclictest6456-21telnet20:40:522
1576099524,39cyclictest20795-21aten_r1power_po21:10:501
1576099524,29cyclictest0-21swapper/122:45:361
15760995227,10cyclictest0-21swapper/123:46:031
15760995221,15cyclictest0-21swapper/122:53:461
15760995221,14cyclictest0-21swapper/120:41:011
15760995217,14cyclictest0-21swapper/122:45:581
112922523,42sleep311427-21cut20:50:523
273352512,9sleep20-21swapper/223:37:532
250612513,8sleep325165-21munin-node20:10:583
248599510,4rtkit-daemon2484-21rtkit-daemon20:25:411
226282512,9sleep20-21swapper/221:13:122
1576299515,28cyclictest0-21swapper/322:45:573
1576299515,28cyclictest0-21swapper/320:31:003
1576299515,27cyclictest0-21swapper/322:50:533
1576299515,27cyclictest0-21swapper/321:26:103
1576299515,27cyclictest0-21swapper/321:07:513
1576299515,27cyclictest0-21swapper/300:00:503
1576299514,28cyclictest0-21swapper/321:46:053
1576299514,28cyclictest0-21swapper/321:46:053
1576299514,28cyclictest0-21swapper/320:26:083
1576299514,28cyclictest0-21swapper/319:31:113
1576299514,28cyclictest0-21swapper/319:31:113
1576299514,28cyclictest0-21swapper/300:05:513
1576299514,27cyclictest0-21swapper/320:05:423
15762995134,11cyclictest3065-21tr21:40:533
15762995132,13cyclictest20858-21sendmail_mailqu22:16:063
15762995120,12cyclictest0-21swapper/322:55:523
1576199515,38cyclictest0-21swapper/223:21:012
1576199514,40cyclictest0-21swapper/222:50:462
1576199513,43cyclictest0-21swapper/223:01:262
1576199513,42cyclictest0-21swapper/221:55:482
1576199513,42cyclictest0-21swapper/219:05:552
1576099515,30cyclictest0-21swapper/120:16:021
1576099515,30cyclictest0-21swapper/120:16:021
1576099515,29cyclictest0-21swapper/120:35:591
1576099515,28cyclictest0-21swapper/123:20:561
1576099514,30cyclictest0-21swapper/121:26:221
1576099514,28cyclictest23984-21munin-run22:25:351
1576099513,41cyclictest0-21swapper/122:30:461
15760995129,10cyclictest0-21swapper/100:00:521
15760995120,14cyclictest0-21swapper/123:25:501
141812512,9sleep30-21swapper/319:46:433
117102513,10sleep10-21swapper/100:12:221
79892503,40sleep20-21swapper/221:50:522
274582503,10sleep10-21swapper/121:23:591
248599500,5rtkit-daemon2484-21rtkit-daemon23:16:191
248599500,4rtkit-daemon2484-21rtkit-daemon23:55:331
1576299505,26cyclictest0-21swapper/323:06:023
1576299504,35cyclictest0-21swapper/319:06:163
1576299504,28cyclictest0-21swapper/319:37:363
1576299504,27cyclictest0-21swapper/323:40:543
1576299504,26cyclictest8519-21sed20:45:393
1576299503,28cyclictest0-21swapper/320:06:013
1576199504,40cyclictest0-21swapper/221:32:552
1576199503,41cyclictest0-21swapper/223:50:592
1576199503,41cyclictest0-21swapper/223:05:472
1576199503,41cyclictest0-21swapper/222:21:092
1576199503,41cyclictest0-21swapper/221:05:502
1576199503,41cyclictest0-21swapper/220:30:552
1576199503,39cyclictest0-21swapper/220:50:542
1576199502,42cyclictest0-21swapper/222:00:482
1576199502,42cyclictest0-21swapper/200:05:422
1576099505,38cyclictest0-21swapper/123:40:491
1576099504,29cyclictest0-21swapper/119:56:031
15760995029,14cyclictest0-21swapper/121:36:101
15760995020,15cyclictest0-21swapper/122:55:431
321112492,9sleep30-21swapper/321:32:233
279062492,40sleep20-21swapper/222:31:022
1576299496,24cyclictest0-21swapper/319:01:113
1576299496,11cyclictest15522-21cut22:05:563
1576299495,27cyclictest0-21swapper/323:36:543
15762994931,11cyclictest16563-21fschecks_time23:15:523
15762994931,10cyclictest18843-21tail19:56:133
15762994919,12cyclictest0-21swapper/319:20:583
1576199494,37cyclictest0-21swapper/200:10:412
1576199494,27cyclictest0-21swapper/223:14:392
15761994936,7cyclictest16424-21grep22:06:102
1576199493,40cyclictest0-21swapper/220:10:502
1576199493,40cyclictest0-21swapper/220:00:542
1576199493,40cyclictest0-21swapper/219:56:032
1576199493,40cyclictest0-21swapper/219:35:562
1576199492,42cyclictest0-21swapper/219:30:432
1576199492,41cyclictest0-21swapper/221:40:592
1576199492,41cyclictest0-21swapper/218:55:582
1576099495,28cyclictest0-21swapper/123:55:511
1576099495,28cyclictest0-21swapper/123:55:511
1576099495,27cyclictest0-21swapper/120:10:591
1576099493,39cyclictest12942-21fschecks_count19:45:591
248599480,4rtkit-daemon2484-21rtkit-daemon20:56:321
1576299485,25cyclictest0-21swapper/322:03:483
15762994815,24cyclictest2381-21latency_hist23:55:333
1576199484,27cyclictest0-21swapper/222:50:342
1576199483,40cyclictest0-21swapper/219:31:172
1576199483,40cyclictest0-21swapper/219:31:172
1576199483,39cyclictest0-21swapper/222:25:472
1576199483,39cyclictest0-21swapper/222:25:472
1576199483,39cyclictest0-21swapper/221:35:502
1576199483,39cyclictest0-21swapper/221:15:542
1576199483,39cyclictest0-21swapper/219:00:552
1576199482,41cyclictest0-21swapper/221:22:272
1576199482,40cyclictest0-21swapper/223:15:472
1576199482,40cyclictest0-21swapper/220:35:592
1576199482,40cyclictest0-21swapper/219:42:322
1576199482,40cyclictest0-21swapper/219:10:562
1576099488,24cyclictest11381-21cpuspeed_turbos23:05:481
1576099485,28cyclictest0-21swapper/119:41:091
1576099483,39cyclictest0-21swapper/119:15:501
1576099483,27cyclictest0-21swapper/121:45:571
1576099483,27cyclictest0-21swapper/121:45:571
15760994826,8cyclictest28819-21hwlatdetect19:11:041
1576299474,13cyclictest0-21swapper/319:26:033
15762994712,14cyclictest0-21swapper/320:46:063
15761994734,8cyclictest23635-21grep23:30:502
1576199473,38cyclictest0-21swapper/219:45:532
1576199473,38cyclictest0-21swapper/219:20:542
1576199473,36cyclictest0-21swapper/222:40:472
1576199472,39cyclictest0-21swapper/222:10:372
1576099474,26cyclictest30239-21aten2.4-expect21:30:491
1576099474,24cyclictest25282-21crond19:05:441
15760994730,11cyclictest15519-21gltestperf22:05:561
15760994717,11cyclictest0-21swapper/100:06:581
1576299464,25cyclictest0-21swapper/320:35:543
15762994617,8cyclictest1287-21snmpd21:51:493
1576199463,38cyclictest0-21swapper/219:15:522
1576099465,33cyclictest0-21swapper/118:45:451
1576099464,26cyclictest0-21swapper/121:55:491
15761994528,10cyclictest21101-21grep22:16:092
1576299444,14cyclictest0-21swapper/318:45:453
1575999312,9cyclictest0-21swapper/018:45:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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