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2026-03-21 - 22:11

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 Sat Mar 21, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991030,3rtkit-daemon30967-21kworker/2:008:56:012
197119910147,13cyclictest0-21swapper/109:12:581
248599790,6rtkit-daemon34-21rcuc/310:47:273
248599740,6rtkit-daemon0-21swapper/309:40:073
248599740,20rtkit-daemon0-21swapper/209:42:523
248599710,8rtkit-daemon0-21swapper/210:37:433
1971399714,58cyclictest0-21swapper/309:17:453
1971299704,58cyclictest0-21swapper/209:52:472
1970999706,58cyclictest0-21swapper/009:12:440
1971399694,55cyclictest0-21swapper/307:52:533
248599680,7rtkit-daemon0-21swapper/210:14:133
1971299685,54cyclictest0-21swapper/207:42:562
248599670,6rtkit-daemon0-21swapper/209:22:533
1971399675,52cyclictest1419-21runrttasks08:32:433
1971399674,55cyclictest0-21swapper/308:26:153
1971299675,53cyclictest0-21swapper/208:37:522
1971299675,53cyclictest0-21swapper/208:37:522
168342670,6sleep016838-21switchtime10:52:570
248599660,7rtkit-daemon0-21swapper/209:15:163
19713996624,12cyclictest1419-21runrttasks06:23:013
1971299664,54cyclictest0-21swapper/210:37:592
1971299664,54cyclictest0-21swapper/208:57:482
248599650,5rtkit-daemon0-21swapper/309:30:083
1971299654,53cyclictest0-21swapper/210:47:482
19709996531,26cyclictest0-21swapper/008:28:050
1971299644,52cyclictest0-21swapper/209:37:442
1971299644,52cyclictest0-21swapper/209:15:282
1971299644,51cyclictest0-21swapper/207:07:472
19709996444,13cyclictest0-21swapper/008:55:090
248599630,7rtkit-daemon12674-21ssh09:59:143
248599630,7rtkit-daemon12674-21ssh09:59:143
248599630,5rtkit-daemon0-21swapper/210:31:433
248599630,4rtkit-daemon3992-21ssh10:34:133
19711996340,15cyclictest0-21swapper/109:02:441
1970999635,52cyclictest27215-21ntp_kernel_pll_09:32:550
1971399625,50cyclictest0-21swapper/305:57:203
1971399625,50cyclictest0-21swapper/305:57:203
1971399625,49cyclictest0-21swapper/309:47:453
19713996212,28cyclictest11988-21unixbench_multi07:33:063
1971299624,50cyclictest0-21swapper/210:17:502
1971299624,50cyclictest0-21swapper/207:52:502
1971199624,51cyclictest0-21swapper/108:33:041
19709996242,13cyclictest0-21swapper/010:29:140
19709996241,14cyclictest27589-21latency07:57:570
19709996241,14cyclictest27589-21latency07:57:570
19709996241,13cyclictest0-21swapper/009:17:410
19709996232,14cyclictest0-21swapper/010:12:220
40122614,49sleep20-21swapper/208:12:262
27342613,50sleep10-21swapper/109:44:501
1971399614,48cyclictest0-21swapper/308:17:483
19713996110,26cyclictest0-21swapper/310:07:323
1971299614,49cyclictest0-21swapper/207:32:512
19711996140,15cyclictest0-21swapper/110:37:461
19709996141,13cyclictest0-21swapper/008:57:440
19709996140,14cyclictest0-21swapper/009:57:490
19709996140,14cyclictest0-21swapper/009:57:490
1970999614,50cyclictest0-21swapper/008:04:100
248599600,7rtkit-daemon0-21swapper/208:42:323
248599600,7rtkit-daemon0-21swapper/207:19:503
248599600,7rtkit-daemon0-21swapper/207:19:503
248599600,7rtkit-daemon0-21swapper/206:51:143
248599600,7rtkit-daemon0-21swapper/206:03:083
1971399604,48cyclictest0-21swapper/310:21:153
1971399603,50cyclictest0-21swapper/307:48:223
19713996014,38cyclictest22641-21munin-node11:02:423
1971299604,49cyclictest0-21swapper/210:07:282
1971299604,49cyclictest0-21swapper/206:08:032
1971299604,48cyclictest12445-21diskmemload10:42:472
1971299604,48cyclictest0-21swapper/210:13:022
1971299604,46cyclictest18511-21yum-updatesd-he09:21:122
19711996042,12cyclictest0-21swapper/110:02:401
19711996040,13cyclictest0-21swapper/109:07:471
19709996042,10cyclictest25001-21rm10:17:490
19709996031,13cyclictest0-21swapper/011:02:590
248599590,7rtkit-daemon0-21swapper/209:00:243
248599590,7rtkit-daemon0-21swapper/208:48:093
248599590,7rtkit-daemon0-21swapper/207:28:123
248599590,7rtkit-daemon0-21swapper/206:28:223
248599590,7rtkit-daemon0-21swapper/206:09:383
248599590,7rtkit-daemon0-21swapper/206:00:463
248599590,7rtkit-daemon0-21swapper/205:40:543
248599590,4rtkit-daemon2484-21rtkit-daemon10:28:281
248599590,4rtkit-daemon2484-21rtkit-daemon10:07:361
1971399599,30cyclictest31031-21memory08:02:563
1971399599,29cyclictest20209-21switchtime10:57:583
1971299594,48cyclictest0-21swapper/210:34:312
1971299594,48cyclictest0-21swapper/208:22:462
1971299594,37cyclictest0-21swapper/205:56:292
1971299594,37cyclictest0-21swapper/205:56:292
1971299593,49cyclictest0-21swapper/209:34:392
19711995940,12cyclictest0-21swapper/109:51:101
19711995940,12cyclictest0-21swapper/107:22:511
19711995939,13cyclictest0-21swapper/106:08:081
1970999594,47cyclictest0-21swapper/007:42:340
1970999593,50cyclictest0-21swapper/010:15:290
1970999593,50cyclictest0-21swapper/009:22:480
248599580,7rtkit-daemon0-21swapper/209:11:313
248599580,7rtkit-daemon0-21swapper/207:14:283
248599580,7rtkit-daemon0-21swapper/207:01:583
248599580,7rtkit-daemon0-21swapper/206:54:293
248599580,7rtkit-daemon0-21swapper/206:33:373
248599580,7rtkit-daemon0-21swapper/205:51:463
248599580,6rtkit-daemon0-21swapper/110:23:580
248599580,5rtkit-daemon2484-21rtkit-daemon08:05:482
248599580,4rtkit-daemon2484-21rtkit-daemon10:12:511
1971399584,47cyclictest0-21swapper/308:00:443
1971399584,47cyclictest0-21swapper/308:00:443
1971399584,46cyclictest0-21swapper/308:37:493
1971399584,46cyclictest0-21swapper/308:37:493
1971399584,36cyclictest0-21swapper/309:37:103
19713995836,14cyclictest7551-21gltestperf06:17:573
19713995813,38cyclictest1419-21runrttasks08:30:363
19713995813,21cyclictest0-21swapper/310:22:393
1971399581,50cyclictest15434-21ssh10:03:003
1971299584,48cyclictest0-21swapper/210:24:572
1971299584,47cyclictest0-21swapper/209:29:192
1971299584,46cyclictest772-21df_inode09:42:442
19711995840,11cyclictest23861-21ntp_states09:27:561
19711995839,12cyclictest0-21swapper/108:43:401
19711995838,13cyclictest0-21swapper/110:42:421
19711995838,13cyclictest0-21swapper/108:08:561
19711995838,13cyclictest0-21swapper/106:17:511
1970999584,46cyclictest0-21swapper/008:37:320
1970999583,49cyclictest0-21swapper/010:51:510
1970999583,49cyclictest0-21swapper/008:13:540
1970999583,49cyclictest0-21swapper/007:50:540
19709995813,25cyclictest0-21swapper/010:36:500
248599570,7rtkit-daemon0-21swapper/208:10:413
248599570,7rtkit-daemon0-21swapper/207:47:193
248599570,7rtkit-daemon0-21swapper/207:26:503
248599570,7rtkit-daemon0-21swapper/206:42:443
248599570,7rtkit-daemon0-21swapper/205:43:543
248599570,6rtkit-daemon0-21swapper/207:38:273
248599570,5rtkit-daemon2484-21rtkit-daemon08:18:332
248599570,5rtkit-daemon2484-21rtkit-daemon06:26:302
231132573,12sleep20-21swapper/205:42:582
1971399575,44cyclictest0-21swapper/308:12:563
1971399574,32cyclictest0-21swapper/309:57:293
19712995715,36cyclictest4447-21aten_r1power_po08:12:452
19712995711,25cyclictest0-21swapper/207:49:162
1971199574,46cyclictest0-21swapper/108:22:491
1971199574,45cyclictest0-21swapper/110:52:511
19711995737,13cyclictest0-21swapper/108:22:261
1970999577,42cyclictest6573-21sed09:02:490
1970999574,46cyclictest716-21df_abs09:42:440
1970999573,49cyclictest0-21swapper/008:49:590
1970999573,48cyclictest0-21swapper/009:54:310
1970999573,48cyclictest0-21swapper/009:48:250
1970999573,48cyclictest0-21swapper/009:30:210
1970999573,48cyclictest0-21swapper/009:11:310
1970999573,48cyclictest0-21swapper/008:21:380
1970999572,34cyclictest0-21swapper/007:46:240
1970999571,48cyclictest0-21swapper/010:57:560
110522572,47sleep10-21swapper/109:57:441
110522572,47sleep10-21swapper/109:57:441
248599560,5rtkit-daemon2484-21rtkit-daemon06:28:522
248599560,5rtkit-daemon2484-21rtkit-daemon06:15:452
248599560,5rtkit-daemon2484-21rtkit-daemon05:49:312
248599560,4rtkit-daemon2484-21rtkit-daemon07:05:362
1971399568,27cyclictest8840-21ssh09:07:303
1971399567,40cyclictest0-21swapper/308:52:493
1971399564,44cyclictest0-21swapper/310:52:493
1971399564,44cyclictest0-21swapper/310:43:213
1971299565,44cyclictest0-21swapper/208:42:552
1971299564,45cyclictest0-21swapper/211:02:422
1971299564,45cyclictest0-21swapper/209:25:372
1971299564,37cyclictest0-21swapper/210:59:222
19712995611,24cyclictest0-21swapper/210:10:042
19711995641,10cyclictest0-21swapper/108:57:411
1970999565,43cyclictest23758-21fschecks_time07:52:530
1970999564,45cyclictest0-21swapper/008:11:310
19709995639,12cyclictest0-21swapper/008:40:250
19709995639,12cyclictest0-21swapper/008:40:250
1970999563,47cyclictest0-21swapper/010:44:290
161052563,11sleep20-21swapper/208:28:062
248599550,7rtkit-daemon0-21swapper/110:29:352
248599550,5rtkit-daemon2484-21rtkit-daemon07:41:342
248599550,5rtkit-daemon2484-21rtkit-daemon07:25:502
248599550,5rtkit-daemon2484-21rtkit-daemon07:20:432
248599550,5rtkit-daemon2484-21rtkit-daemon07:20:432
248599550,5rtkit-daemon2484-21rtkit-daemon06:52:442
248599550,5rtkit-daemon2484-21rtkit-daemon06:44:372
248599550,5rtkit-daemon2484-21rtkit-daemon06:39:522
248599550,5rtkit-daemon2484-21rtkit-daemon06:39:522
248599550,5rtkit-daemon2484-21rtkit-daemon05:59:312
248599550,4rtkit-daemon2484-21rtkit-daemon06:18:452
1971299554,21cyclictest0-21swapper/208:01:022
1971299554,21cyclictest0-21swapper/208:01:022
1971299553,45cyclictest7234-21kworker/2:209:57:572
1971299553,45cyclictest7234-21kworker/2:209:57:572
1971199553,46cyclictest0-21swapper/106:27:551
19711995528,12cyclictest0-21swapper/108:28:061
19711995514,33cyclictest16463-21cstates07:42:461
1970999553,46cyclictest0-21swapper/010:06:230
168722552,9sleep10-21swapper/106:37:521
168722552,9sleep10-21swapper/106:37:521
248599540,7rtkit-daemon0-21swapper/206:40:443
248599540,7rtkit-daemon0-21swapper/206:40:443
248599540,5rtkit-daemon2484-21rtkit-daemon09:03:092
248599540,5rtkit-daemon2484-21rtkit-daemon08:47:472
248599540,5rtkit-daemon2484-21rtkit-daemon08:32:472
248599540,5rtkit-daemon2484-21rtkit-daemon07:30:202
248599540,5rtkit-daemon2484-21rtkit-daemon05:37:472
248599540,4rtkit-daemon2484-21rtkit-daemon10:23:211
19713995436,11cyclictest15352-21nscd07:07:343
19711995436,12cyclictest0-21swapper/108:00:341
19711995436,12cyclictest0-21swapper/108:00:341
19711995434,14cyclictest0-21swapper/109:40:281
19711995434,14cyclictest0-21swapper/107:40:171
19711995427,13cyclictest0-21swapper/110:51:481
19711995426,13cyclictest0-21swapper/109:17:561
1970999544,42cyclictest0-21swapper/008:42:530
19709995439,10cyclictest0-21swapper/010:39:390
1970999543,45cyclictest0-21swapper/008:24:010
1970999543,45cyclictest0-21swapper/006:35:370
19709995411,35cyclictest0-21swapper/009:37:550
248599530,5rtkit-daemon2484-21rtkit-daemon06:58:292
248599530,5rtkit-daemon2484-21rtkit-daemon06:05:382
248599530,4rtkit-daemon2484-21rtkit-daemon09:08:382
248599530,4rtkit-daemon2484-21rtkit-daemon07:13:212
248599530,4rtkit-daemon2484-21rtkit-daemon06:47:442
248599530,4rtkit-daemon2484-21rtkit-daemon06:32:452
1971199534,41cyclictest0-21swapper/107:32:451
1971199534,30cyclictest0-21swapper/108:52:431
19711995322,14cyclictest0-21swapper/110:36:501
1970999538,38cyclictest0-21swapper/005:58:000
1970999535,29cyclictest0-21swapper/006:28:040
1970999533,44cyclictest0-21swapper/005:52:490
1970999533,44cyclictest0-21swapper/005:52:490
248599520,7rtkit-daemon0-21swapper/207:11:433
248599520,4rtkit-daemon2484-21rtkit-daemon10:57:341
19713995212,22cyclictest0-21swapper/306:13:073
19711995239,8cyclictest26386-21sort07:57:331
19711995236,11cyclictest0-21swapper/109:23:251
19711995232,14cyclictest0-21swapper/108:51:191
19711995226,12cyclictest0-21swapper/108:17:021
1970999527,27cyclictest0-21swapper/006:37:480
1970999527,27cyclictest0-21swapper/006:37:480
1970999525,38cyclictest0-21swapper/007:22:500
1970999524,41cyclictest0-21swapper/007:07:520
1970999522,43cyclictest0-21swapper/007:17:460
1970999522,43cyclictest0-21swapper/007:17:460
64912513,39sleep20-21swapper/209:51:162
1971199514,29cyclictest0-21swapper/108:02:451
1971199514,28cyclictest0-21swapper/107:27:541
1971199513,42cyclictest0-21swapper/107:49:211
1970999515,39cyclictest0-21swapper/007:28:020
1970999515,28cyclictest0-21swapper/007:02:550
1970999515,27cyclictest0-21swapper/007:33:010
19709995135,11cyclictest19562-21sed06:42:530
19709995132,12cyclictest0-21swapper/006:08:110
226842503,9sleep10-21swapper/105:42:531
1971299504,27cyclictest0-21swapper/210:53:252
1971199504,38cyclictest0-21swapper/106:47:581
1971199504,28cyclictest0-21swapper/106:58:041
19711995037,7cyclictest22169-21if_err_eth008:37:511
19711995037,7cyclictest22169-21if_err_eth008:37:511
19711995034,11cyclictest0-21swapper/111:04:481
1970999503,41cyclictest0-21swapper/006:17:480
1970999503,41cyclictest0-21swapper/005:37:500
1970999501,31cyclictest2892-21munin-run07:17:340
62902492,9sleep10-21swapper/106:15:021
1971199495,27cyclictest0-21swapper/107:07:521
1971199494,28cyclictest0-21swapper/109:53:121
1971199494,28cyclictest0-21swapper/106:43:091
1971199494,26cyclictest0-21swapper/110:18:021
1971199493,40cyclictest0-21swapper/106:33:081
19711994920,12cyclictest0-21swapper/109:33:021
19711994913,30cyclictest9119-21munin-node06:22:481
1970999494,38cyclictest0-21swapper/006:22:490
1970999494,27cyclictest0-21swapper/005:47:590
1970999493,41cyclictest0-21swapper/006:57:470
193732494,39sleep00-21swapper/005:33:420
1971199484,38cyclictest0-21swapper/107:07:341
19711994833,9cyclictest3116-21munin-node07:18:001
19711994833,9cyclictest3116-21munin-node07:18:001
19711994832,11cyclictest0-21swapper/105:51:461
1970999487,34cyclictest22916-21chrt06:48:300
19709994828,14cyclictest0-21swapper/006:02:460
20592473,38sleep12145-21grep07:13:071
1971199474,27cyclictest0-21swapper/106:52:551
1970999473,38cyclictest0-21swapper/005:42:490
19709994720,12cyclictest0-21swapper/006:12:470
1971199465,34cyclictest0-21swapper/105:57:371
1971199465,34cyclictest0-21swapper/105:57:371
1971199464,14cyclictest0-21swapper/105:38:071
19711994624,11cyclictest0-21swapper/105:58:041
1971299454,35cyclictest0-21swapper/205:37:382
1970999453,36cyclictest0-21swapper/006:53:070
1971199444,33cyclictest0-21swapper/106:03:041
19711994117,7cyclictest19686-21latency_hist05:37:381
1971399404,12cyclictest0-21swapper/305:37:393
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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