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2026-09-01 - 16:44

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 Sep 01, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
226709910738,14cyclictest0-21swapper/210:30:202
2194991010,8rtkit-daemon0-21swapper/109:58:511
22668999910,72cyclictest0-21swapper/010:50:340
22668999910,72cyclictest0-21swapper/010:50:340
2266899954,70cyclictest0-21swapper/008:25:210
2266899949,70cyclictest0-21swapper/009:10:420
2266899944,71cyclictest0-21swapper/007:10:430
2266899934,73cyclictest0-21swapper/009:00:170
22668999219,56cyclictest0-21swapper/009:40:210
2266899915,69cyclictest0-21swapper/008:52:000
2266899915,69cyclictest0-21swapper/008:52:000
2266899914,69cyclictest0-21swapper/009:16:190
2266899914,63cyclictest0-21swapper/008:55:320
2266899914,21cyclictest0-21swapper/011:07:030
2266899909,65cyclictest0-21swapper/008:30:410
2266899904,65cyclictest0-21swapper/010:30:520
2266899904,21cyclictest0-21swapper/008:05:490
22668998917,8cyclictest15665-21ssh07:40:200
2266899884,77cyclictest0-21swapper/010:20:280
2266899884,68cyclictest0-21swapper/009:34:300
2266899884,67cyclictest0-21swapper/007:55:430
2266899884,63cyclictest0-21swapper/008:02:520
2266899884,22cyclictest29337-21timerwakeupswit10:25:360
2266899884,20cyclictest0-21swapper/009:47:380
2266899883,8cyclictest107550irq/46-eth008:38:040
2266899883,68cyclictest0-21swapper/010:10:040
2266899883,21cyclictest0-21swapper/009:36:100
2266899883,12cyclictest0-21swapper/007:52:440
2266899878,20cyclictest21880-21expr10:15:230
2266899874,68cyclictest0-21swapper/008:21:440
2266899874,67cyclictest0-21swapper/006:35:220
2266899874,25cyclictest5314-21aten_r1power_fr10:40:140
2266899873,77cyclictest0-21swapper/010:45:140
2266899873,77cyclictest0-21swapper/008:47:110
2266899873,23cyclictest0-21swapper/009:05:160
2266899868,63cyclictest0-21swapper/008:40:470
2266899864,75cyclictest0-21swapper/010:36:340
2266899864,65cyclictest0-21swapper/010:00:220
2266899864,62cyclictest0-21swapper/010:56:240
2266899864,60cyclictest0-21swapper/007:08:540
2266899864,22cyclictest0-21swapper/008:10:570
2266899864,22cyclictest0-21swapper/008:10:570
219499860,27rtkit-daemon15405-21diskmemload10:30:341
2266899854,73cyclictest0-21swapper/009:20:220
2266899854,64cyclictest0-21swapper/009:28:330
2266899854,60cyclictest0-21swapper/009:57:410
2266899854,59cyclictest0-21swapper/006:55:110
2266899854,59cyclictest0-21swapper/006:55:110
2266899853,61cyclictest0-21swapper/007:48:190
2266899853,21cyclictest0-21swapper/008:17:350
2266899844,73cyclictest0-21swapper/010:10:330
2266899844,73cyclictest0-21swapper/010:10:330
2266899844,72cyclictest0-21swapper/006:45:420
2266899844,59cyclictest0-21swapper/007:15:330
2266899843,14cyclictest0-21swapper/011:00:360
2266899834,71cyclictest0-21swapper/007:00:330
2266899833,65cyclictest0-21swapper/006:00:260
22668998320,7cyclictest28576-21latency_hist07:00:110
22668998319,9cyclictest1227-21runrttasks06:06:310
22668998319,9cyclictest1227-21runrttasks06:06:310
219499830,28rtkit-daemon0-21swapper/010:15:201
2266899825,70cyclictest0-21swapper/006:25:400
2266899824,63cyclictest0-21swapper/009:51:100
2266899814,24cyclictest0-21swapper/007:30:090
2266899804,13cyclictest0-21swapper/005:40:240
22668998021,53cyclictest0-21swapper/007:20:260
2266899795,14cyclictest0-21swapper/005:40:140
2266899784,9cyclictest107550irq/46-eth005:45:340
219499780,26rtkit-daemon0-21swapper/010:08:501
2266899774,66cyclictest0-21swapper/005:55:270
2266899754,65cyclictest0-21swapper/006:30:380
2266899754,21cyclictest0-21swapper/005:50:490
22668997517,41cyclictest0-21swapper/006:22:250
2266999744,31cyclictest0-21swapper/110:10:331
2266999744,31cyclictest0-21swapper/110:10:331
2266899744,63cyclictest0-21swapper/007:35:330
2266899744,63cyclictest0-21swapper/007:35:330
22668997318,9cyclictest7500-21cpu06:15:260
2266899729,13cyclictest0-21swapper/007:30:280
2266899729,12cyclictest0-21swapper/006:40:350
2266899724,61cyclictest0-21swapper/006:12:100
219499720,3rtkit-daemon0-21swapper/108:07:481
219499690,6rtkit-daemon2193-21rtkit-daemon06:10:001
219499690,6rtkit-daemon2193-21rtkit-daemon06:10:001
256442680,3sleep325712-21df_abs05:45:293
219499680,8rtkit-daemon0-21swapper/011:00:181
219499660,6rtkit-daemon26604-21yum-updatesd-he10:22:201
2266999644,50cyclictest21214-21ssh08:35:371
2266999644,13cyclictest0-21swapper/108:35:061
22670996342,13cyclictest0-21swapper/207:00:302
2266999634,36cyclictest0-21swapper/110:27:431
219499630,9rtkit-daemon0-21swapper/010:39:271
219499630,12rtkit-daemon0-21swapper/106:29:361
2266999625,38cyclictest0-21swapper/107:56:321
2266999624,48cyclictest22892-21df_abs07:50:251
2266999623,43cyclictest0-21swapper/108:44:591
219499620,7rtkit-daemon0-21swapper/010:42:561
22671996115,27cyclictest26046-21cpuspeed_turbos07:55:233
22670996146,8cyclictest20405-21diskstats08:35:242
22670996138,18cyclictest0-21swapper/211:00:342
237972603,13sleep30-21swapper/306:50:113
22670996040,13cyclictest0-21swapper/208:00:372
22670996038,13cyclictest0-21swapper/210:10:192
22670996038,13cyclictest0-21swapper/210:10:192
2267099603,49cyclictest8746-21gltestperf09:55:232
2266999605,47cyclictest0-21swapper/109:46:221
2266999605,47cyclictest0-21swapper/108:54:261
2266999605,47cyclictest0-21swapper/108:54:261
2266999604,49cyclictest0-21swapper/108:05:081
219499600,9rtkit-daemon0-21swapper/106:48:061
219499600,8rtkit-daemon0-21swapper/106:14:371
219499600,3rtkit-daemon0-21swapper/107:35:041
219499600,3rtkit-daemon0-21swapper/105:56:301
219499600,2rtkit-daemon0-21swapper/108:14:401
219499600,2rtkit-daemon0-21swapper/108:14:401
219499600,10rtkit-daemon0-21swapper/107:48:031
2267099594,47cyclictest0-21swapper/208:22:232
22670995930,13cyclictest0-21swapper/209:20:212
2267099593,48cyclictest0-21swapper/207:40:412
219499590,6rtkit-daemon0-21swapper/010:45:341
219499590,3rtkit-daemon0-21swapper/107:17:051
219499590,3rtkit-daemon0-21swapper/106:40:431
219499590,3rtkit-daemon0-21swapper/106:39:361
2267199585,35cyclictest0-21swapper/310:13:373
2267199585,35cyclictest0-21swapper/310:13:373
2267199584,46cyclictest0-21swapper/309:05:213
22671995814,27cyclictest0-21swapper/309:57:283
2267099584,33cyclictest0-21swapper/208:40:362
22670995837,14cyclictest0-21swapper/210:15:162
22670995837,14cyclictest0-21swapper/209:35:162
22670995837,14cyclictest0-21swapper/208:05:432
22670995829,13cyclictest0-21swapper/208:48:092
2266999584,46cyclictest0-21swapper/108:55:371
219499580,2rtkit-daemon0-21swapper/109:14:151
219499580,2rtkit-daemon0-21swapper/109:02:001
22670995741,9cyclictest14266-21iostat_ios08:25:292
2267099574,36cyclictest0-21swapper/209:49:522
2267099572,50cyclictest0-21swapper/209:05:252
22670995719,12cyclictest0-21swapper/207:22:192
2266999575,12cyclictest0-21swapper/109:22:311
2266999574,47cyclictest0-21swapper/109:40:301
2266999573,46cyclictest0-21swapper/107:05:411
90542563,46sleep19203-21grep07:25:281
2267199564,43cyclictest0-21swapper/310:20:183
2267199564,23cyclictest0-21swapper/307:50:323
22671995616,22cyclictest0-21swapper/306:13:443
22671995614,24cyclictest2215-21gdm-simple-gree10:33:013
2267099564,45cyclictest0-21swapper/208:50:352
2267099564,45cyclictest0-21swapper/208:50:352
2267099564,43cyclictest0-21swapper/210:55:312
22670995639,10cyclictest6334-21rt-features06:10:412
22670995637,12cyclictest0-21swapper/209:30:302
22670995636,14cyclictest0-21swapper/210:39:022
22670995635,15cyclictest0-21swapper/206:50:262
22670995635,15cyclictest0-21swapper/206:50:262
219499560,5rtkit-daemon0-21swapper/010:56:261
146222567,41sleep20-21swapper/210:54:162
146222567,41sleep20-21swapper/210:54:162
2267199554,44cyclictest0-21swapper/308:47:293
2267099554,44cyclictest0-21swapper/209:40:282
2267099554,44cyclictest0-21swapper/208:30:272
22670995536,13cyclictest0-21swapper/206:25:272
22670995535,13cyclictest0-21swapper/208:15:122
22670995534,14cyclictest0-21swapper/210:20:152
22670995526,13cyclictest0-21swapper/207:45:212
2266999554,12cyclictest0-21swapper/111:05:251
22669995537,11cyclictest10586-21tail06:20:321
203112554,43sleep30-21swapper/311:00:513
2267199545,40cyclictest0-21swapper/310:00:263
22671995437,10cyclictest3388-21gltestperf06:05:333
22671995437,10cyclictest3388-21gltestperf06:05:333
22671995437,10cyclictest16942-21grep10:55:353
22670995437,9cyclictest5074-21ssh08:10:402
22670995437,9cyclictest5074-21ssh08:10:402
22670995437,9cyclictest4693-21ssh09:50:162
22670995435,13cyclictest0-21swapper/209:25:252
22670995435,13cyclictest0-21swapper/209:15:232
22670995435,12cyclictest0-21swapper/207:57:582
22670995435,12cyclictest0-21swapper/206:10:142
2267099543,42cyclictest0-21swapper/210:00:172
2267099543,39cyclictest0-21swapper/208:57:192
2267099542,38cyclictest0-21swapper/207:50:282
2266999544,22cyclictest1227-21runrttasks06:15:291
2266999543,12cyclictest0-21swapper/109:35:351
22669995427,11cyclictest0-21swapper/108:48:211
22669995421,12cyclictest20409-21munin-node09:25:401
160652543,45sleep10-21swapper/108:29:301
2267199535,14cyclictest0-21swapper/308:54:443
2267199535,14cyclictest0-21swapper/308:54:443
2267199534,43cyclictest0-21swapper/310:43:363
2267199534,42cyclictest13113-21awk10:50:273
2267199534,42cyclictest13113-21awk10:50:273
2267199534,41cyclictest0-21swapper/310:35:363
2267199534,41cyclictest0-21swapper/309:03:213
2267199534,40cyclictest0-21swapper/310:25:373
22671995332,15cyclictest0-21swapper/308:17:003
22671995331,13cyclictest16014-21cpuspeed_turbos07:40:223
22671995323,12cyclictest0-21swapper/307:25:273
22671995320,13cyclictest0-21swapper/309:45:403
2267099534,41cyclictest0-21swapper/211:05:152
2267099534,29cyclictest0-21swapper/209:00:332
22670995337,11cyclictest0-21swapper/210:28:402
22670995334,12cyclictest0-21swapper/210:08:242
22670995334,12cyclictest0-21swapper/207:12:392
2266999535,17cyclictest0-21swapper/107:40:541
22669995335,11cyclictest2089-21head07:10:301
219499530,6rtkit-daemon2193-21rtkit-daemon09:15:301
219499530,5rtkit-daemon2193-21rtkit-daemon09:05:381
58912524,42sleep30-21swapper/308:13:153
58912524,42sleep30-21swapper/308:13:153
285602523,11sleep10-21swapper/107:00:041
271642523,11sleep10-21swapper/105:46:561
2267199525,28cyclictest0-21swapper/308:30:293
2267199524,40cyclictest0-21swapper/310:16:243
2267199524,34cyclictest0-21swapper/308:07:343
2267199523,42cyclictest30600-21sort09:40:193
22671995221,13cyclictest0-21swapper/309:10:253
22671995218,8cyclictest18202-21kernelversion09:20:293
2267099524,40cyclictest0-21swapper/207:05:242
22670995234,12cyclictest0-21swapper/210:43:232
2267099523,31cyclictest0-21swapper/206:55:232
22670995220,13cyclictest0-21swapper/207:35:282
22670995220,13cyclictest0-21swapper/207:35:282
2266999524,29cyclictest0-21swapper/110:50:131
2266999524,29cyclictest0-21swapper/110:50:131
2266999524,28cyclictest0-21swapper/107:20:211
2266999523,42cyclictest12911-21grep10:00:381
22669995219,13cyclictest0-21swapper/106:00:461
170072524,41sleep30-21swapper/310:08:133
45842512,41sleep30-21swapper/309:50:153
2267199514,39cyclictest0-21swapper/308:22:163
2267199514,29cyclictest0-21swapper/306:35:393
2267199514,28cyclictest0-21swapper/307:10:283
2267199514,28cyclictest0-21swapper/306:40:413
22671995135,10cyclictest31797-21grep05:55:473
2267199513,41cyclictest23072-21runrttasks08:40:113
2267199513,41cyclictest15168-21fschecks_time06:30:303
2267199513,41cyclictest10548-21rm10:46:153
22671995120,13cyclictest0-21swapper/307:00:463
22670995133,12cyclictest0-21swapper/209:11:262
22670995132,11cyclictest7627-21tr06:15:272
2267099512,42cyclictest30045-21munin-node05:55:262
2266999515,28cyclictest0-21swapper/108:15:341
2266999514,41cyclictest0-21swapper/108:20:181
2266999514,29cyclictest0-21swapper/109:35:041
2266999514,28cyclictest0-21swapper/106:33:481
219499510,9rtkit-daemon2193-21rtkit-daemon05:35:313
2267199504,29cyclictest0-21swapper/311:05:263
2267199504,27cyclictest0-21swapper/309:30:053
22671995028,15cyclictest0-21swapper/308:55:303
22671995015,14cyclictest361ktimersoftd/308:26:113
22671995010,34cyclictest34-21rcuc/309:30:303
2267099504,38cyclictest0-21swapper/207:30:412
2267099504,38cyclictest0-21swapper/206:40:232
2267099504,28cyclictest0-21swapper/206:20:352
2267099504,28cyclictest0-21swapper/206:00:442
2267099504,24cyclictest10018-21python10:45:332
22670995030,13cyclictest0-21swapper/206:30:312
2266999504,29cyclictest0-21swapper/107:03:531
2266999504,28cyclictest0-21swapper/109:50:241
2266999504,27cyclictest0-21swapper/107:38:591
2266999504,27cyclictest0-21swapper/107:38:591
297592492,10sleep30-21swapper/305:54:363
2267199494,29cyclictest0-21swapper/307:35:363
2267199494,29cyclictest0-21swapper/307:35:363
2267199494,27cyclictest0-21swapper/308:01:253
2267199494,27cyclictest0-21swapper/307:00:123
2267199493,26cyclictest0-21swapper/309:38:493
22669994921,12cyclictest0-21swapper/105:40:241
204032492,10sleep30-21swapper/308:35:253
2267199484,27cyclictest0-21swapper/309:16:423
2267199484,27cyclictest0-21swapper/307:47:083
22671994829,11cyclictest10558-21gltestperf06:20:323
2267099484,27cyclictest0-21swapper/206:45:282
2267099484,27cyclictest0-21swapper/206:38:482
22670994835,8cyclictest26478-21tail05:45:402
22670994825,10cyclictest0-21swapper/207:15:432
2266999484,28cyclictest0-21swapper/106:50:451
2266999484,28cyclictest0-21swapper/106:50:451
2266999484,26cyclictest0-21swapper/105:53:411
2267199474,35cyclictest0-21swapper/307:05:443
2267199474,27cyclictest0-21swapper/306:00:283
2267199474,26cyclictest0-21swapper/306:15:403
22671994719,12cyclictest0-21swapper/307:18:553
22670994733,9cyclictest0-21swapper/205:40:342
22670994725,10cyclictest0-21swapper/207:25:312
2267099463,37cyclictest0-21swapper/205:54:252
2267199454,34cyclictest0-21swapper/305:40:363
22671994530,9cyclictest12558-21grep07:30:423
2267099454,15cyclictest0-21swapper/206:05:282
2267199444,33cyclictest0-21swapper/306:50:403
2267199444,33cyclictest0-21swapper/306:50:403
2267199444,25cyclictest0-21swapper/306:25:213
22671994426,11cyclictest6955-21gltestperf07:20:303
22670994227,10cyclictest0-21swapper/205:40:152
2266999414,11cyclictest0-21swapper/105:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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