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2026-08-25 - 13:09

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Tue Aug 25, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17668991005,87cyclictest0-21swapper/120:11:051
17668991005,87cyclictest0-21swapper/120:11:051
1767199984,27cyclictest0-21swapper/223:12:152
1766899984,28cyclictest0-21swapper/122:32:131
17668999837,39cyclictest0-21swapper/120:22:411
17668999621,15cyclictest0-21swapper/119:57:351
17668999617,13cyclictest0-21swapper/121:47:231
1766199964,84cyclictest13112-21gltestperf21:27:270
17668999537,38cyclictest0-21swapper/123:06:561
17671999419,10cyclictest7335-21rm20:29:102
1766899945,27cyclictest0-21swapper/120:13:141
1766899944,27cyclictest0-21swapper/121:57:311
1766899944,26cyclictest11112-21switchtime22:12:491
17668999432,10cyclictest4203-21sed21:12:411
1766899936,24cyclictest12286-21telnet21:27:191
1766899934,23cyclictest11749-21taskset20:37:231
17668999318,12cyclictest0-21swapper/121:06:191
1766199933,82cyclictest0-21swapper/022:49:150
1766199933,57cyclictest0-21swapper/018:52:470
17661999319,65cyclictest21847-21cpuspeed_turbos20:52:240
17661999319,65cyclictest21847-21cpuspeed_turbos20:52:240
1766899925,25cyclictest0-21swapper/121:23:221
1766899925,23cyclictest6865-21fschecks_time23:07:231
1766899924,22cyclictest0-21swapper/121:17:421
17668999220,11cyclictest0-21swapper/120:47:281
17668999220,11cyclictest0-21swapper/120:47:281
1766199923,81cyclictest0-21swapper/020:40:220
1766199923,52cyclictest0-21swapper/021:33:300
1766199923,52cyclictest0-21swapper/021:33:300
1767199914,27cyclictest0-21swapper/220:57:342
1767199914,27cyclictest0-21swapper/220:07:362
1767199914,27cyclictest0-21swapper/220:07:362
1766899915,29cyclictest0-21swapper/121:32:331
1766899915,29cyclictest0-21swapper/121:32:331
1766899915,28cyclictest0-21swapper/122:19:531
1766899914,26cyclictest0-21swapper/121:37:511
17668999136,48cyclictest7390-21cpuspeed_turbos18:32:301
17668999135,46cyclictest0-21swapper/117:47:161
1766199915,79cyclictest0-21swapper/020:04:260
1766199914,80cyclictest0-21swapper/022:27:160
1766199914,52cyclictest0-21swapper/020:07:400
1766199914,52cyclictest0-21swapper/020:07:400
1767199903,27cyclictest0-21swapper/220:22:432
1767199903,25cyclictest0-21swapper/223:09:052
17671999015,13cyclictest0-21swapper/221:32:072
1766899905,39cyclictest0-21swapper/118:57:351
1766899905,27cyclictest32687-21taskset21:07:361
1766899905,24cyclictest0-21swapper/120:27:211
1766899904,28cyclictest0-21swapper/117:47:301
1766899904,25cyclictest0-21swapper/121:42:201
17668999023,12cyclictest0-21swapper/119:02:351
1766199905,79cyclictest0-21swapper/022:17:300
1766199904,79cyclictest0-21swapper/021:42:270
1766199903,80cyclictest0-21swapper/020:27:110
1767199893,26cyclictest0-21swapper/221:24:212
1766899895,36cyclictest0-21swapper/119:32:131
1766899895,25cyclictest0-21swapper/122:26:281
1766899895,14cyclictest4440-21sensors22:02:371
1766899894,24cyclictest0-21swapper/123:14:391
1766899894,23cyclictest0-21swapper/120:42:301
17668998927,12cyclictest12499-21ssh19:47:481
1766199894,78cyclictest0-21swapper/022:52:270
1766199894,78cyclictest0-21swapper/022:52:270
1766199894,78cyclictest0-21swapper/019:02:320
1766199893,80cyclictest0-21swapper/021:55:440
1766199893,79cyclictest0-21swapper/022:06:570
1766199893,78cyclictest0-21swapper/023:05:320
1766199893,73cyclictest0-21swapper/017:52:410
1767199884,76cyclictest10406-21diskmemload22:00:212
17671998821,9cyclictest10406-21diskmemload20:37:272
17671998821,8cyclictest10406-21diskmemload20:52:292
17671998821,8cyclictest10406-21diskmemload20:52:292
17671998819,9cyclictest6332-21kworker/2:022:12:492
1766899889,19cyclictest0-21swapper/117:57:171
1766899885,15cyclictest0-21swapper/121:55:511
1766899884,31cyclictest0-21swapper/122:37:071
1766899884,10cyclictest24304-21runrttasks20:56:101
1766899884,10cyclictest24304-21runrttasks20:56:101
1766199884,77cyclictest0-21swapper/022:44:110
1766199884,77cyclictest0-21swapper/020:18:580
1766199884,76cyclictest0-21swapper/020:32:580
1766199884,67cyclictest0-21swapper/021:12:190
1766199883,79cyclictest0-21swapper/020:43:550
1766199883,78cyclictest0-21swapper/022:07:200
1766199883,78cyclictest0-21swapper/022:07:200
1766199883,77cyclictest7610-21ps23:07:340
1766199883,77cyclictest648-21timerwakeupswit21:07:420
1766199883,77cyclictest29837-21ssh21:02:430
1766199883,77cyclictest0-21swapper/022:33:460
1766199883,77cyclictest0-21swapper/021:37:110
1767199878,22cyclictest0-21swapper/220:06:272
1767199877,22cyclictest0-21swapper/221:50:212
1767199873,76cyclictest4680-21taskset21:14:212
1766899876,27cyclictest0-21swapper/122:09:381
1766899876,27cyclictest0-21swapper/122:09:381
1766899875,33cyclictest0-21swapper/122:48:001
1766899875,25cyclictest0-21swapper/122:58:111
1766899875,25cyclictest0-21swapper/122:52:171
1766899875,25cyclictest0-21swapper/122:52:171
1766899874,37cyclictest0-21swapper/117:57:371
1766899874,35cyclictest0-21swapper/120:35:001
1766899874,30cyclictest0-21swapper/119:12:481
1766899874,23cyclictest0-21swapper/120:57:231
1766899874,23cyclictest0-21swapper/120:17:441
17668998731,11cyclictest15181-21hwlatdetect18:47:351
17668998731,11cyclictest15181-21hwlatdetect18:47:351
1766199874,76cyclictest0-21swapper/020:28:070
1766199874,76cyclictest0-21swapper/019:49:150
1766199873,77cyclictest0-21swapper/023:15:150
1766199873,77cyclictest0-21swapper/020:12:540
17671998635,41cyclictest21873-21ssh22:37:212
1767199863,76cyclictest0-21swapper/222:36:562
1767199863,76cyclictest0-21swapper/221:52:242
1767199863,75cyclictest0-21swapper/222:02:202
17668998618,10cyclictest0-21swapper/120:02:251
1766199864,76cyclictest0-21swapper/022:12:200
1766199864,75cyclictest1554-21nscd18:17:160
1766199864,75cyclictest0-21swapper/022:57:200
1766199864,75cyclictest0-21swapper/022:00:000
1766199864,75cyclictest0-21swapper/019:59:390
1766199864,74cyclictest0-21swapper/018:17:280
1767199854,74cyclictest0-21swapper/220:43:522
1767199853,74cyclictest0-21swapper/218:35:232
1766899859,17cyclictest0-21swapper/119:47:131
1766899855,28cyclictest0-21swapper/118:28:481
1766899854,34cyclictest0-21swapper/119:07:381
1766899854,24cyclictest0-21swapper/118:17:281
17668998526,14cyclictest0-21swapper/118:37:411
1766199854,75cyclictest0-21swapper/019:52:300
1766199854,74cyclictest0-21swapper/022:23:130
1766199854,74cyclictest0-21swapper/021:25:570
1766199854,50cyclictest0-21swapper/022:37:520
1766199853,75cyclictest0-21swapper/021:49:030
1766199853,75cyclictest0-21swapper/020:57:300
1767199848,13cyclictest0-21swapper/222:47:252
1767199844,72cyclictest0-21swapper/218:42:312
17671998434,44cyclictest0-21swapper/221:37:392
1767199843,74cyclictest0-21swapper/222:22:192
1766899845,27cyclictest0-21swapper/122:43:421
17668998418,13cyclictest0-21swapper/118:17:171
1766199844,73cyclictest0-21swapper/021:17:230
1766199844,73cyclictest0-21swapper/019:26:540
1766199844,72cyclictest0-21swapper/020:47:420
1766199844,72cyclictest0-21swapper/020:47:420
1766199844,49cyclictest0-21swapper/018:07:480
1766199844,49cyclictest0-21swapper/018:07:480
1767199838,8cyclictest107550irq/46-eth022:43:562
1767199836,25cyclictest0-21swapper/221:33:562
1767199836,25cyclictest0-21swapper/221:33:562
1767199834,28cyclictest0-21swapper/222:07:352
1767199834,28cyclictest0-21swapper/222:07:352
1767199834,24cyclictest0-21swapper/223:02:122
1767199833,73cyclictest0-21swapper/220:47:412
1767199833,73cyclictest0-21swapper/220:47:412
1767199833,13cyclictest0-21swapper/220:17:122
17671998315,14cyclictest0-21swapper/222:17:252
1766899834,37cyclictest0-21swapper/118:23:081
17668998335,41cyclictest11898-21head18:42:261
17668998323,12cyclictest14981-21irqstats19:52:371
1766199834,71cyclictest0-21swapper/018:47:420
1766199834,71cyclictest0-21swapper/018:47:420
1766199833,73cyclictest0-21swapper/018:27:300
1767199825,26cyclictest0-21swapper/221:46:532
1767199824,70cyclictest0-21swapper/219:07:272
1767199823,26cyclictest0-21swapper/219:29:122
1766899825,27cyclictest0-21swapper/119:39:001
1766199824,71cyclictest0-21swapper/019:37:290
1766199824,71cyclictest0-21swapper/018:37:330
1766199824,71cyclictest0-21swapper/018:32:270
1766199824,71cyclictest0-21swapper/018:02:440
1766199823,47cyclictest3159-21head18:22:350
1767199814,70cyclictest0-21swapper/218:37:272
1767199813,71cyclictest0-21swapper/220:32:372
1767199813,70cyclictest0-21swapper/222:56:072
1767199813,70cyclictest0-21swapper/222:56:072
1767199813,15cyclictest0-21swapper/219:55:032
1767199813,13cyclictest0-21swapper/219:47:352
17671998125,8cyclictest29082-21idleruntime21:02:302
1766899814,23cyclictest0-21swapper/122:30:511
1766199814,71cyclictest0-21swapper/019:42:350
1766199814,70cyclictest0-21swapper/019:07:290
1767199807,13cyclictest0-21swapper/222:29:402
1767199804,68cyclictest0-21swapper/221:18:032
1767199804,12cyclictest0-21swapper/221:07:202
17671998034,39cyclictest0-21swapper/220:17:252
1767199803,70cyclictest0-21swapper/219:57:242
1767199803,12cyclictest0-21swapper/219:02:442
1766899807,21cyclictest0-21swapper/119:27:141
1766199804,69cyclictest0-21swapper/019:12:340
1766199803,70cyclictest4595-21missed_timers19:32:360
1766199803,69cyclictest0-21swapper/018:42:290
1767199794,67cyclictest0-21swapper/218:02:352
1767199793,67cyclictest0-21swapper/222:57:172
17671997924,47cyclictest0-21swapper/218:12:162
17671997924,47cyclictest0-21swapper/218:12:162
17671997918,8cyclictest426-21sort18:17:342
1767199788,12cyclictest16739-21telnet18:52:272
1767199783,69cyclictest0-21swapper/218:58:532
1767199783,68cyclictest0-21swapper/219:37:392
1766899789,20cyclictest0-21swapper/118:57:141
1767199774,22cyclictest5378-21tune2fs18:27:332
1766199774,64cyclictest0-21swapper/019:17:290
1767199768,10cyclictest107550irq/46-eth017:52:282
1767199764,24cyclictest0-21swapper/218:27:142
1766199763,59cyclictest0-21swapper/018:57:380
1767199755,16cyclictest0-21swapper/217:47:162
1766199754,66cyclictest0-21swapper/019:28:350
1766199753,64cyclictest0-21swapper/017:47:360
1767199744,23cyclictest0-21swapper/217:47:312
1767199743,26cyclictest0-21swapper/219:42:312
17671997420,9cyclictest31968-21idleruntime-cro18:17:162
1766199743,65cyclictest0-21swapper/017:57:480
1767199735,24cyclictest0-21swapper/219:32:292
1767199734,24cyclictest0-21swapper/218:47:302
1767199734,24cyclictest0-21swapper/218:47:302
1767199734,16cyclictest0-21swapper/217:57:372
1767199733,30cyclictest0-21swapper/219:22:142
1767199733,23cyclictest0-21swapper/219:12:262
1766199735,60cyclictest17655-21munin-run17:47:160
178552710,3sleep3361ktimersoftd/321:34:333
178552710,3sleep3361ktimersoftd/321:34:333
1767199713,25cyclictest0-21swapper/219:22:472
1767399696,14cyclictest0-21swapper/320:47:243
1767399696,14cyclictest0-21swapper/320:47:243
17668996926,13cyclictest0-21swapper/119:18:141
1767399655,53cyclictest0-21swapper/318:07:263
1767399655,53cyclictest0-21swapper/318:07:263
219499620,6rtkit-daemon0-21swapper/221:23:103
1767399624,13cyclictest0-21swapper/320:27:203
1767399614,12cyclictest0-21swapper/320:21:263
1767399614,12cyclictest0-21swapper/318:47:443
1767399614,12cyclictest0-21swapper/318:47:443
1767399604,37cyclictest0-21swapper/320:39:093
1767399604,13cyclictest0-21swapper/321:38:073
17673996018,23cyclictest0-21swapper/320:04:413
17673996018,22cyclictest0-21swapper/319:57:113
52142592,13sleep30-21swapper/321:16:273
1767399595,12cyclictest0-21swapper/322:53:323
1767399595,12cyclictest0-21swapper/322:53:323
1767399594,13cyclictest0-21swapper/321:49:453
1767399594,12cyclictest0-21swapper/321:32:083
1766899594,48cyclictest0-21swapper/119:32:271
1767399585,13cyclictest0-21swapper/320:52:403
1767399585,13cyclictest0-21swapper/320:52:403
1767399585,12cyclictest0-21swapper/323:12:283
1767399584,14cyclictest0-21swapper/322:52:053
1767399584,14cyclictest0-21swapper/322:43:343
1767399584,13cyclictest0-21swapper/319:57:223
1767399583,11cyclictest0-21swapper/321:57:403
47712572,13sleep30-21swapper/323:02:463
1767399577,9cyclictest24779-21fschecks_count20:07:313
1767399577,9cyclictest24779-21fschecks_count20:07:313
1767399575,12cyclictest0-21swapper/323:10:213
1767399574,14cyclictest0-21swapper/321:17:563
1767399574,13cyclictest0-21swapper/323:00:113
1767399574,13cyclictest0-21swapper/322:06:573
1767399574,13cyclictest0-21swapper/319:47:393
1767399574,12cyclictest0-21swapper/322:08:493
1767399574,12cyclictest0-21swapper/322:08:493
1767399573,38cyclictest0-21swapper/322:37:563
1767399566,30cyclictest0-21swapper/320:46:013
1767399565,30cyclictest0-21swapper/321:07:363
1767399564,31cyclictest0-21swapper/322:31:113
1767399564,31cyclictest0-21swapper/320:12:253
1767399564,31cyclictest0-21swapper/319:07:353
1767399564,30cyclictest0-21swapper/319:12:473
1767399564,13cyclictest0-21swapper/322:32:183
1767399564,13cyclictest0-21swapper/320:59:463
1767399564,13cyclictest0-21swapper/320:34:493
1767399564,12cyclictest0-21swapper/321:02:343
17673995621,15cyclictest0-21swapper/318:12:393
1767399555,27cyclictest0-21swapper/321:56:493
1767399554,30cyclictest0-21swapper/318:42:283
1767399554,13cyclictest0-21swapper/322:19:273
1767399554,11cyclictest2981-21munin-node20:22:383
1767399554,11cyclictest0-21swapper/318:42:153
1767399545,29cyclictest0-21swapper/321:42:343
1767399544,30cyclictest0-21swapper/322:16:273
1767399544,30cyclictest0-21swapper/319:02:323
1767399544,30cyclictest0-21swapper/318:22:483
1767399544,30cyclictest0-21swapper/317:52:323
1767399543,30cyclictest0-21swapper/322:27:073
17862533,42sleep30-21swapper/318:20:113
1767399534,29cyclictest0-21swapper/318:28:483
1766899535,28cyclictest0-21swapper/118:02:341
1766899534,27cyclictest0-21swapper/118:08:441
1766899534,27cyclictest0-21swapper/118:08:441
54132522,13sleep30-21swapper/319:34:403
1767399525,38cyclictest0-21swapper/318:07:163
1767399525,28cyclictest0-21swapper/319:28:223
1767399524,29cyclictest0-21swapper/317:47:443
167252524,6sleep30-21swapper/317:42:403
1767399514,29cyclictest0-21swapper/319:46:193
1767399514,28cyclictest0-21swapper/319:22:413
1767399514,28cyclictest0-21swapper/318:02:173
1767399514,27cyclictest0-21swapper/318:52:363
17673995135,10cyclictest8136-21kernelversion18:32:403
17673995131,13cyclictest30300-21taskset19:17:473
1767399504,27cyclictest0-21swapper/318:58:533
17673995014,13cyclictest0-21swapper/319:37:443
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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