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2026-07-14 - 04:01

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Tue Jul 14, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5421991044,30cyclictest0-21swapper/023:22:010
5421991024,90cyclictest0-21swapper/021:46:190
542199994,78cyclictest0-21swapper/023:13:420
542199983,88cyclictest19660-21ssh20:57:120
542199974,86cyclictest0-21swapper/020:32:190
542599954,25cyclictest15663-21hddtemp_smartct20:52:013
542199954,84cyclictest0-21swapper/020:36:580
542199954,84cyclictest0-21swapper/020:06:540
542599944,82cyclictest0-21swapper/323:47:013
542199944,83cyclictest0-21swapper/020:41:550
542199937,25cyclictest0-21swapper/023:40:430
542199937,25cyclictest0-21swapper/023:40:430
542199936,25cyclictest0-21swapper/021:58:550
542199933,84cyclictest0-21swapper/021:22:200
542199933,83cyclictest15489-21cut22:27:020
5425999212,14cyclictest0-21swapper/322:31:553
542199925,26cyclictest0-21swapper/022:38:470
542199923,82cyclictest1227-21runrttasks20:53:140
542199923,33cyclictest0-21swapper/023:54:540
542199923,24cyclictest25917-21ssh21:07:030
542599915,26cyclictest0-21swapper/322:14:073
542599915,26cyclictest0-21swapper/322:14:073
542599914,78cyclictest0-21swapper/322:48:473
542599914,28cyclictest0-21swapper/319:41:543
542599914,25cyclictest0-21swapper/320:48:343
542199914,28cyclictest0-21swapper/022:16:430
542199914,28cyclictest0-21swapper/022:16:430
5421999133,51cyclictest12144-21grep20:46:590
542199913,81cyclictest0-21swapper/022:34:550
542199913,37cyclictest0-21swapper/022:06:220
542599904,28cyclictest0-21swapper/323:32:043
542599904,27cyclictest0-21swapper/320:43:293
542599904,27cyclictest0-21swapper/320:32:583
542599904,25cyclictest0-21swapper/323:40:293
542599904,25cyclictest0-21swapper/323:40:293
5425999024,56cyclictest2839-21ssh21:21:513
542199909,12cyclictest6918-21tail21:26:580
542199906,27cyclictest0-21swapper/020:12:540
542199906,27cyclictest0-21swapper/020:12:540
542199904,80cyclictest0-21swapper/021:01:560
542199904,79cyclictest0-21swapper/021:39:400
542199904,79cyclictest0-21swapper/021:39:400
542199904,79cyclictest0-21swapper/018:46:450
542199904,79cyclictest0-21swapper/018:46:450
542199904,78cyclictest0-21swapper/023:27:090
542199904,27cyclictest0-21swapper/022:10:060
542199903,33cyclictest0-21swapper/023:06:540
5421999027,56cyclictest0-21swapper/023:47:080
542599894,77cyclictest0-21swapper/320:40:333
542599894,28cyclictest0-21swapper/322:57:003
542599894,28cyclictest0-21swapper/322:57:003
542599893,28cyclictest0-21swapper/322:51:493
542199894,77cyclictest0-21swapper/022:46:540
542199894,12cyclictest0-21swapper/023:31:490
542199893,79cyclictest0-21swapper/023:01:460
542199893,79cyclictest0-21swapper/021:16:130
542199893,79cyclictest0-21swapper/020:26:430
542199893,23cyclictest11738-21ssh21:33:460
542199893,23cyclictest11738-21ssh21:33:460
542199893,22cyclictest0-21swapper/022:43:440
542599885,75cyclictest0-21swapper/323:54:543
542599884,77cyclictest0-21swapper/322:07:173
542599884,76cyclictest0-21swapper/322:03:243
542599884,76cyclictest0-21swapper/321:17:043
542599884,27cyclictest0-21swapper/321:05:213
5425998819,9cyclictest6823-21ssh23:02:013
542199884,15cyclictest0-21swapper/022:23:160
542199883,77cyclictest0-21swapper/022:16:350
542199883,77cyclictest0-21swapper/022:16:350
542199883,22cyclictest3879-21unixbench-2d22:57:090
542199883,22cyclictest3879-21unixbench-2d22:57:090
5421998810,21cyclictest0-21swapper/023:18:540
542599875,73cyclictest0-21swapper/320:12:053
542599875,73cyclictest0-21swapper/320:12:053
542599875,26cyclictest0-21swapper/320:17:553
542599874,76cyclictest0-21swapper/323:15:543
542599874,76cyclictest0-21swapper/320:26:533
542599874,75cyclictest0-21swapper/322:41:013
542599874,75cyclictest0-21swapper/321:51:523
542599874,74cyclictest0-21swapper/318:36:463
542599874,13cyclictest12360-21python22:22:083
542199874,30cyclictest0-21swapper/019:14:570
542199874,26cyclictest0-21swapper/021:54:400
542199873,76cyclictest0-21swapper/019:56:550
5421998727,53cyclictest0-21swapper/021:21:380
542599865,73cyclictest0-21swapper/322:19:043
542599865,73cyclictest0-21swapper/322:19:043
5425998626,51cyclictest1227-21runrttasks19:01:453
542199864,74cyclictest0-21swapper/019:06:570
542199864,14cyclictest0-21swapper/019:41:550
542199864,12cyclictest0-21swapper/018:27:070
542199863,77cyclictest0-21swapper/020:05:510
542199863,22cyclictest0-21swapper/023:42:060
542199863,10cyclictest0-21swapper/021:49:460
542599855,16cyclictest0-21swapper/323:41:533
542599854,29cyclictest0-21swapper/321:11:553
542199853,22cyclictest0-21swapper/022:55:230
542599845,70cyclictest0-21swapper/320:57:023
542599844,72cyclictest0-21swapper/321:26:513
542599844,70cyclictest0-21swapper/320:06:423
542599844,27cyclictest0-21swapper/322:26:493
5425998424,52cyclictest0-21swapper/320:07:163
5425998421,11cyclictest24679-21grep19:07:053
5425998414,12cyclictest0-21swapper/323:06:473
542199844,12cyclictest0-21swapper/019:31:570
542199844,12cyclictest0-21swapper/019:31:570
542199843,34cyclictest23130-21grep19:02:180
542599835,71cyclictest22957-21diskstats23:26:513
542599835,27cyclictest0-21swapper/323:19:093
542599835,26cyclictest0-21swapper/321:47:333
542599835,12cyclictest0-21swapper/321:32:053
542599835,12cyclictest0-21swapper/321:32:053
542599834,72cyclictest0-21swapper/321:37:113
542599834,72cyclictest0-21swapper/321:37:113
542599834,72cyclictest0-21swapper/319:17:003
542599825,13cyclictest0-21swapper/321:41:513
542599824,71cyclictest0-21swapper/323:21:463
542199823,72cyclictest0-21swapper/019:17:110
542599814,11cyclictest25134-21perl22:41:553
542199813,28cyclictest0-21swapper/020:25:110
542599804,29cyclictest0-21swapper/321:57:273
542599803,22cyclictest0-21swapper/321:09:003
5425998021,9cyclictest13928-21gltestperf19:52:003
5425998017,11cyclictest2759-21timerwakeupswit19:27:143
5425998017,11cyclictest2759-21timerwakeupswit19:27:143
5425998017,10cyclictest27118-21gltestperf19:12:053
542199804,30cyclictest0-21swapper/019:37:030
542199803,37cyclictest0-21swapper/019:27:520
542199803,37cyclictest0-21swapper/019:27:520
542599794,10cyclictest21624-21sshd19:01:573
542599793,31cyclictest0-21swapper/318:45:353
542599793,31cyclictest0-21swapper/318:45:353
5425997922,10cyclictest18356-21unixbench-2d18:52:193
542199793,69cyclictest0-21swapper/020:17:060
542199793,24cyclictest0-21swapper/018:36:570
542199793,13cyclictest0-21swapper/018:32:080
542599784,13cyclictest3513-21munin-node19:32:153
542599784,13cyclictest3513-21munin-node19:32:153
5421997828,8cyclictest14553-21seq19:52:130
5425997721,9cyclictest29070-21unixbench-2d20:22:143
5425997712,13cyclictest0-21swapper/318:41:453
542199774,30cyclictest0-21swapper/018:47:070
542199774,30cyclictest0-21swapper/018:47:070
542599764,31cyclictest0-21swapper/318:27:083
542599764,25cyclictest0-21swapper/319:22:093
542599764,23cyclictest0-21swapper/318:47:083
542599764,23cyclictest0-21swapper/318:47:083
542599763,11cyclictest0-21swapper/319:41:433
5425997619,10cyclictest11890-21needreboot19:47:093
542199763,38cyclictest0-21swapper/019:49:590
542199763,24cyclictest0-21swapper/018:52:050
542199754,32cyclictest0-21swapper/018:57:150
542199754,14cyclictest0-21swapper/019:24:560
219499740,24rtkit-daemon2193-21rtkit-daemon21:27:011
5425996922,9cyclictest15660-21cpu19:56:553
5423996521,25cyclictest17838-21aten_r1power_cu20:01:541
542399615,30cyclictest0-21swapper/121:32:141
542399615,30cyclictest0-21swapper/121:32:141
542399614,39cyclictest0-21swapper/121:01:391
219499610,3rtkit-daemon0-21swapper/120:42:401
219499610,19rtkit-daemon2193-21rtkit-daemon22:09:371
134072614,49sleep113543-21fschecks_time21:36:561
134072614,49sleep113543-21fschecks_time21:36:561
542399605,30cyclictest0-21swapper/122:37:011
542399604,35cyclictest0-21swapper/123:29:541
542399604,35cyclictest0-21swapper/122:28:391
542399604,31cyclictest0-21swapper/122:48:341
219499600,18rtkit-daemon2193-21rtkit-daemon22:35:211
542499594,14cyclictest0-21swapper/221:06:582
5424995926,20cyclictest0-21swapper/222:16:272
5424995926,20cyclictest0-21swapper/222:16:272
542399595,32cyclictest0-21swapper/123:47:461
542399593,40cyclictest0-21swapper/121:14:571
542399593,36cyclictest0-21swapper/121:20:361
219499590,18rtkit-daemon2193-21rtkit-daemon23:18:491
542499584,45cyclictest0-21swapper/222:06:522
542399584,35cyclictest0-21swapper/123:45:091
542399584,34cyclictest0-21swapper/123:14:141
542399584,33cyclictest0-21swapper/120:31:191
542399584,32cyclictest0-21swapper/122:06:371
313502587,12sleep20-21swapper/223:38:332
313502587,12sleep20-21swapper/223:38:332
219499580,5rtkit-daemon2193-21rtkit-daemon19:01:291
143262585,46sleep10-21swapper/118:44:591
143262585,46sleep10-21swapper/118:44:591
83862573,14sleep10-21swapper/123:05:461
55572573,47sleep14107-21munin-node22:12:081
55572573,47sleep14107-21munin-node22:12:081
542499564,46cyclictest0-21swapper/221:34:002
542499564,46cyclictest0-21swapper/221:34:002
542499564,44cyclictest0-21swapper/221:16:572
542499564,12cyclictest0-21swapper/222:31:472
5424995636,13cyclictest0-21swapper/222:46:592
542399564,37cyclictest0-21swapper/121:02:591
219499560,5rtkit-daemon2193-21rtkit-daemon19:31:581
219499560,5rtkit-daemon2193-21rtkit-daemon19:31:581
104912564,44sleep20-21swapper/223:07:082
542499555,44cyclictest0-21swapper/220:47:112
542499554,43cyclictest12700-21head22:22:112
5424995539,10cyclictest32765-21tr23:41:482
5424995537,12cyclictest6081-21unixbench_multi20:37:162
5424995536,13cyclictest0-21swapper/222:41:352
542399555,43cyclictest0-21swapper/123:52:011
542399554,43cyclictest0-21swapper/121:06:561
542399554,24cyclictest0-21swapper/120:51:401
5423995525,13cyclictest0-21swapper/122:22:171
39472553,11sleep20-21swapper/219:32:002
39472553,11sleep20-21swapper/219:32:002
219499550,5rtkit-daemon2193-21rtkit-daemon19:07:061
183462553,45sleep10-21swapper/121:43:171
542499544,43cyclictest0-21swapper/222:27:072
542499544,13cyclictest0-21swapper/220:42:092
542399544,44cyclictest0-21swapper/121:53:531
219499540,5rtkit-daemon2193-21rtkit-daemon22:41:581
219499540,4rtkit-daemon2193-21rtkit-daemon19:51:421
172912543,13sleep10-21swapper/119:57:431
542499538,26cyclictest0-21swapper/223:26:592
542499535,40cyclictest0-21swapper/223:46:562
5424995336,10cyclictest25064-21strings19:07:112
5424995333,14cyclictest0-21swapper/222:56:352
5424995333,12cyclictest0-21swapper/223:16:512
5424995333,12cyclictest0-21swapper/220:52:132
542499533,41cyclictest0-21swapper/223:22:432
542499532,45cyclictest0-21swapper/220:56:532
542399535,30cyclictest0-21swapper/121:22:021
542399534,23cyclictest0-21swapper/123:32:521
5423995324,11cyclictest8861-21yum-updatesd-he23:06:501
219499530,5rtkit-daemon2193-21rtkit-daemon22:56:351
68972523,9sleep20-21swapper/223:02:042
57262523,9sleep20-21swapper/221:26:292
542499525,28cyclictest0-21swapper/221:42:062
542499524,30cyclictest0-21swapper/223:52:022
5424995235,12cyclictest0-21swapper/222:58:302
5424995235,12cyclictest0-21swapper/222:58:302
542499523,43cyclictest0-21swapper/220:34:222
542499523,40cyclictest0-21swapper/221:36:502
542499523,40cyclictest0-21swapper/221:36:502
5424995211,11cyclictest0-21swapper/223:13:522
542399526,26cyclictest0-21swapper/123:36:491
542399526,26cyclictest0-21swapper/123:36:491
542399525,11cyclictest5331-21iostat_ios20:37:051
542399524,32cyclictest0-21swapper/120:33:111
5423995232,13cyclictest20824-21unixbench_singl23:22:111
5423995220,12cyclictest26864-21diskstats21:56:541
226252522,8sleep122628-21ssh21:51:361
219499520,4rtkit-daemon2193-21rtkit-daemon23:01:351
219499520,4rtkit-daemon2193-21rtkit-daemon23:01:351
542499514,42cyclictest0-21swapper/221:03:492
542499514,13cyclictest0-21swapper/221:51:382
542499513,40cyclictest26292-21aten2.4-expect21:56:482
542499513,30cyclictest0-21swapper/218:57:162
5424995121,13cyclictest0-21swapper/222:16:592
5424995121,13cyclictest0-21swapper/222:16:592
542399515,26cyclictest7086-21sensors_temp18:27:191
542399514,29cyclictest0-21swapper/122:18:291
542399514,29cyclictest0-21swapper/122:18:291
311072513,9sleep20-21swapper/221:15:572
30402513,12sleep10-21swapper/119:28:401
30402513,12sleep10-21swapper/119:28:401
222242513,11sleep20-21swapper/220:09:452
542499508,34cyclictest281ktimersoftd/220:28:372
542499504,39cyclictest0-21swapper/222:01:522
542499504,28cyclictest0-21swapper/219:47:102
5424995031,11cyclictest9134-21gltestperf19:42:032
542399505,28cyclictest0-21swapper/118:47:061
542399505,28cyclictest0-21swapper/118:47:061
542399504,29cyclictest0-21swapper/119:56:411
542399504,28cyclictest0-21swapper/118:37:051
542399504,27cyclictest0-21swapper/119:06:441
264002503,10sleep20-21swapper/222:42:532
80172493,11sleep10-21swapper/119:41:101
542499494,27cyclictest0-21swapper/221:53:052
542499494,27cyclictest0-21swapper/220:17:042
542499494,27cyclictest0-21swapper/219:36:582
542499494,27cyclictest0-21swapper/218:52:162
5424994921,12cyclictest0-21swapper/218:36:572
5424994917,12cyclictest0-21swapper/218:32:142
542399494,29cyclictest0-21swapper/120:16:541
542399494,28cyclictest0-21swapper/120:12:121
542399494,28cyclictest0-21swapper/120:12:121
542399494,28cyclictest0-21swapper/118:32:131
542399494,27cyclictest0-21swapper/120:07:001
542399494,27cyclictest0-21swapper/119:42:141
542399494,26cyclictest0-21swapper/119:16:441
542399494,25cyclictest16075-21ntp_states20:52:081
542399493,26cyclictest0-21swapper/120:22:021
5423994917,13cyclictest0-21swapper/118:56:451
52162494,39sleep30-21swapper/318:24:343
219499490,5rtkit-daemon2193-21rtkit-daemon19:26:431
542499484,37cyclictest0-21swapper/223:31:442
542499484,27cyclictest0-21swapper/220:02:042
542499484,27cyclictest0-21swapper/219:22:082
542499483,27cyclictest0-21swapper/219:52:012
5424994820,12cyclictest0-21swapper/221:30:542
542399484,28cyclictest0-21swapper/119:16:581
52852484,38sleep00-21swapper/018:25:270
542499474,36cyclictest0-21swapper/218:26:592
542499473,27cyclictest0-21swapper/220:11:572
542499473,27cyclictest0-21swapper/220:11:572
5424994718,12cyclictest0-21swapper/219:01:552
173932473,9sleep20-21swapper/219:59:012
163552473,10sleep20-21swapper/218:50:282
163552473,10sleep20-21swapper/218:50:282
542499464,26cyclictest0-21swapper/218:42:082
542499464,26cyclictest0-21swapper/218:42:082
542499464,25cyclictest0-21swapper/219:12:392
30732463,37sleep20-21swapper/219:29:062
30732463,37sleep20-21swapper/219:29:062
5424994529,10cyclictest29177-21head20:22:152
5424994516,12cyclictest0-21swapper/218:26:462
304582452,9sleep20-21swapper/219:17:412
542399414,11cyclictest0-21swapper/118:26:461
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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