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2026-05-02 - 16:31

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 all highest latencies:
System rack1slot6s.osadl.org (updated Sat May 02, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242599910142,53cyclictest0-21swapper/009:58:120
242599910122,9cyclictest121850irq/46-eth007:02:110
242599910122,9cyclictest121850irq/46-eth007:02:110
2425999975,27cyclictest0-21swapper/008:53:280
2425999954,15cyclictest0-21swapper/008:03:280
24264999430,47cyclictest0-21swapper/107:06:041
2426499933,13cyclictest0-21swapper/107:02:431
2426499933,13cyclictest0-21swapper/107:02:431
2425999935,26cyclictest0-21swapper/009:43:380
24264999133,50cyclictest25401-21sed10:18:331
24264999133,43cyclictest0-21swapper/109:04:411
2425999913,9cyclictest1419-21runrttasks10:12:010
24259999117,8cyclictest0-21swapper/009:08:220
24259999117,8cyclictest0-21swapper/009:08:220
2425999904,27cyclictest0-21swapper/008:13:060
24264998933,41cyclictest0-21swapper/107:14:341
2425999895,39cyclictest0-21swapper/008:13:310
2426499884,31cyclictest0-21swapper/108:47:071
2425999885,26cyclictest0-21swapper/006:11:510
2425999885,23cyclictest21858-21memory07:03:320
2425999884,37cyclictest0-21swapper/007:28:170
2425999883,78cyclictest0-21swapper/007:16:220
24259998820,12cyclictest0-21swapper/008:43:430
2426499874,36cyclictest0-21swapper/109:58:331
2425999874,37cyclictest0-21swapper/010:21:480
2425999865,34cyclictest1419-21runrttasks10:23:320
2425999865,27cyclictest0-21swapper/009:01:420
2425999864,12cyclictest24251-21cyclictest04:58:130
2426499859,33cyclictest0-21swapper/109:28:021
2425999854,26cyclictest0-21swapper/009:36:150
2425999853,22cyclictest0-21swapper/007:56:050
2426499843,32cyclictest0-21swapper/109:38:021
2426499843,32cyclictest0-21swapper/107:53:371
2426499843,10cyclictest7170-21df09:53:161
24264998421,15cyclictest0-21swapper/105:58:371
2425999845,24cyclictest10592-21munin-node08:23:410
2425999845,24cyclictest10592-21munin-node08:23:410
24259998421,7cyclictest3892-21latency_hist05:23:120
24264998323,14cyclictest0-21swapper/108:21:501
24264998323,14cyclictest0-21swapper/107:22:091
110422830,4sleep311045-21df_abs08:23:203
110422830,4sleep311045-21df_abs08:23:203
2426499823,35cyclictest0-21swapper/109:44:531
24264998226,9cyclictest28487-21timerwakeupswit05:03:441
24264998225,9cyclictest5537-21sendmail_mailqu05:23:421
24264998225,13cyclictest0-21swapper/107:48:201
2426499822,38cyclictest15301-21ssh07:42:071
2426499822,36cyclictest15373-21ssh10:03:371
2426499814,33cyclictest0-21swapper/108:56:561
2426499813,30cyclictest0-21swapper/108:12:341
24264998117,9cyclictest3893-21awk05:23:121
24264998113,9cyclictest4718-21proc_pri09:48:301
24264998113,9cyclictest4718-21proc_pri09:48:301
2425999815,27cyclictest0-21swapper/008:21:120
2425999815,25cyclictest0-21swapper/008:51:150
2425999815,25cyclictest0-21swapper/007:21:510
2425999814,37cyclictest0-21swapper/007:23:240
2425999814,25cyclictest0-21swapper/007:47:270
2426499804,33cyclictest0-21swapper/110:23:311
24264998023,13cyclictest0-21swapper/107:46:251
2426499802,32cyclictest20267-21ssh08:37:241
24264998010,31cyclictest0-21swapper/108:23:381
24264998010,31cyclictest0-21swapper/108:23:381
2425999805,26cyclictest0-21swapper/008:32:570
2426499795,36cyclictest0-21swapper/108:48:321
2426499793,36cyclictest0-21swapper/108:14:261
2426499793,21cyclictest10813-21ssh07:33:391
24264997925,9cyclictest29215-21needreboot06:13:351
24264997925,9cyclictest29215-21needreboot06:13:351
24264997923,13cyclictest0-21swapper/109:08:111
24264997923,13cyclictest0-21swapper/109:08:111
2425999795,25cyclictest0-21swapper/009:24:030
2426499784,32cyclictest0-21swapper/105:33:131
2425999785,14cyclictest0-21swapper/009:04:570
2425999784,29cyclictest0-21swapper/008:42:510
2426499774,25cyclictest0-21swapper/106:18:211
2426499773,36cyclictest8685-21ssh07:32:381
2426499773,34cyclictest0-21swapper/110:12:321
2426499773,34cyclictest0-21swapper/108:58:171
2426499772,41cyclictest17002-21diskmemload09:39:121
2426499753,34cyclictest0-21swapper/108:30:451
2426499753,32cyclictest0-21swapper/107:09:071
2426499743,33cyclictest0-21swapper/108:07:411
2426499742,38cyclictest0-21swapper/108:42:091
24264997412,9cyclictest5652-21cat07:28:081
2426499735,33cyclictest0-21swapper/109:31:361
2426499713,9cyclictest0-21swapper/106:49:421
24264997123,9cyclictest23547-21cpuspeed_turbos06:03:241
2426499705,34cyclictest0-21swapper/110:16:231
2426599664,55cyclictest0-21swapper/208:43:172
130762663,55sleep30-21swapper/309:13:273
24266996433,15cyclictest0-21swapper/307:13:393
2426599625,50cyclictest0-21swapper/207:43:292
2426499624,12cyclictest0-21swapper/109:13:361
2425999624,50cyclictest0-21swapper/009:53:020
2425999624,50cyclictest0-21swapper/009:53:020
24259996228,9cyclictest18077-21fschecks_time08:33:240
24266996131,13cyclictest0-21swapper/310:18:233
24266996130,11cyclictest1287-21snmpd09:08:273
24266996130,11cyclictest1287-21snmpd09:08:273
2426599615,49cyclictest1419-21runrttasks09:58:282
2426599615,49cyclictest0-21swapper/208:08:262
2426599615,49cyclictest0-21swapper/206:52:072
24265996136,14cyclictest0-21swapper/205:28:332
24265996136,14cyclictest0-21swapper/205:28:332
24266996032,13cyclictest0-21swapper/308:43:203
24266996032,13cyclictest0-21swapper/307:48:413
2426699603,51cyclictest0-21swapper/308:38:373
24266996029,15cyclictest0-21swapper/309:43:363
2426599604,49cyclictest23184-21ssh10:17:262
2426599604,49cyclictest0-21swapper/209:38:212
2426499603,49cyclictest0-21swapper/109:20:351
24266995931,13cyclictest0-21swapper/309:48:213
24266995931,13cyclictest0-21swapper/309:48:213
24266995930,13cyclictest0-21swapper/305:43:453
24266995929,14cyclictest0-21swapper/309:03:183
24266995929,14cyclictest0-21swapper/307:08:253
2426599594,49cyclictest0-21swapper/210:08:302
2426599594,49cyclictest0-21swapper/207:38:062
2426599594,48cyclictest0-21swapper/204:58:362
15612593,12sleep30-21swapper/306:23:353
24266995837,7cyclictest17002-21diskmemload10:23:283
24266995831,12cyclictest0-21swapper/305:53:263
24266995830,13cyclictest0-21swapper/308:13:343
24266995830,12cyclictest0-21swapper/308:28:193
24266995829,14cyclictest0-21swapper/307:04:543
24266995826,12cyclictest0-21swapper/309:53:173
2426599585,47cyclictest0-21swapper/209:53:182
2426599585,47cyclictest0-21swapper/209:33:242
2426599585,46cyclictest0-21swapper/207:28:222
2426599584,47cyclictest0-21swapper/208:28:232
2426599584,47cyclictest0-21swapper/207:52:452
2426599584,45cyclictest31176-21munin-node07:18:242
24266995734,10cyclictest0-21swapper/309:18:233
24266995729,14cyclictest0-21swapper/308:20:013
24266995729,14cyclictest0-21swapper/308:08:593
24266995729,14cyclictest0-21swapper/307:32:583
24266995729,13cyclictest0-21swapper/310:13:113
24266995729,13cyclictest0-21swapper/308:37:493
24266995729,13cyclictest0-21swapper/308:05:063
24266995729,13cyclictest0-21swapper/305:58:243
2426599575,47cyclictest0-21swapper/207:57:012
2426599575,46cyclictest0-21swapper/209:18:452
2426599575,46cyclictest0-21swapper/208:13:252
2426599574,47cyclictest0-21swapper/207:03:302
2426599574,46cyclictest3817-21ssh07:23:372
252172563,12sleep20-21swapper/207:08:312
24266995629,13cyclictest0-21swapper/307:23:323
24266995629,12cyclictest0-21swapper/306:43:393
24266995628,14cyclictest0-21swapper/309:42:113
24266995628,13cyclictest0-21swapper/310:11:143
24266995628,13cyclictest0-21swapper/309:37:143
24266995628,13cyclictest0-21swapper/307:53:303
24266995627,13cyclictest0-21swapper/308:58:263
24266995626,13cyclictest0-21swapper/307:38:243
2426599565,45cyclictest0-21swapper/210:18:202
2426599565,44cyclictest1799-21basename08:58:142
2426599565,44cyclictest0-21swapper/208:48:112
2426599565,44cyclictest0-21swapper/208:33:222
2426599565,43cyclictest0-21swapper/210:23:032
2426599564,46cyclictest0-21swapper/208:38:182
2426599564,46cyclictest0-21swapper/207:58:182
24265995623,11cyclictest0-21swapper/209:23:252
2425999564,45cyclictest0-21swapper/005:49:340
282902553,10sleep20-21swapper/205:03:422
24266995532,8cyclictest16929-21yum-updatesd-he07:43:423
24266995531,8cyclictest31130-21munin-node08:53:183
24266995527,13cyclictest0-21swapper/307:58:243
24266995522,27cyclictest9117-21aten_r1power_cu07:33:183
2426599555,44cyclictest25761-21kworker/2:208:03:212
2426599555,44cyclictest0-21swapper/208:55:402
2426599555,43cyclictest9819-21memory09:08:272
2426599555,43cyclictest9819-21memory09:08:272
2426599554,46cyclictest0-21swapper/208:23:412
2426599554,46cyclictest0-21swapper/208:23:412
2426599554,46cyclictest0-21swapper/207:38:302
2426599554,45cyclictest0-21swapper/209:49:102
2426599554,45cyclictest0-21swapper/209:49:102
2426599554,44cyclictest256592sleep206:08:212
2426599554,44cyclictest14960-21aten2.4-expect06:53:222
2426599554,44cyclictest144372sleep209:15:342
24265995521,13cyclictest0-21swapper/208:22:082
2425999553,45cyclictest0-21swapper/010:04:320
132072552,10sleep30-21swapper/305:40:183
296332543,12sleep30-21swapper/308:49:373
24266995431,9cyclictest17649-21sed05:48:433
24266995429,9cyclictest14980-21python10:03:313
24266995428,11cyclictest0-21swapper/306:59:563
24266995428,11cyclictest0-21swapper/306:59:563
2426599546,42cyclictest960-21yum-updatesd-he09:43:282
24265995425,9cyclictest14757-21yum-updatesd-he05:43:392
2425999544,42cyclictest0-21swapper/009:18:270
248599530,5rtkit-daemon2484-21rtkit-daemon04:58:310
24266995326,13cyclictest0-21swapper/309:59:263
24266995326,13cyclictest0-21swapper/309:30:093
2426599535,28cyclictest0-21swapper/206:43:362
2426599534,44cyclictest22247-21cut09:28:152
2426599534,42cyclictest200922sleep205:53:472
2426599534,28cyclictest0-21swapper/205:38:322
2426599534,26cyclictest0-21swapper/206:58:282
2426599534,26cyclictest0-21swapper/206:58:282
24265995321,12cyclictest0-21swapper/207:17:492
24265995321,11cyclictest0-21swapper/210:06:252
24265995311,24cyclictest0-21swapper/209:03:212
36572522,10sleep30-21swapper/305:20:163
2426599528,27cyclictest0-21swapper/205:13:362
2426599525,28cyclictest0-21swapper/206:37:042
2426599525,28cyclictest0-21swapper/205:36:012
2426599525,25cyclictest0-21swapper/206:38:422
24265995236,10cyclictest2619-21gltestperf05:18:322
2425999525,40cyclictest0-21swapper/007:48:210
270332512,11sleep30-21swapper/306:08:403
268242513,42sleep00-21swapper/007:11:270
2426699514,39cyclictest0-21swapper/305:33:113
2426699514,39cyclictest0-21swapper/305:33:113
2426699513,40cyclictest0-21swapper/306:43:083
24266995129,7cyclictest5095-21cat06:33:103
24266995123,13cyclictest0-21swapper/306:48:233
2426599515,27cyclictest0-21swapper/206:21:532
2426599515,24cyclictest0-21swapper/206:28:202
2426599514,28cyclictest0-21swapper/206:03:102
2426599514,27cyclictest0-21swapper/205:53:112
24265995119,12cyclictest0-21swapper/205:23:242
2425999514,16cyclictest0-21swapper/009:38:180
2425999514,13cyclictest0-21swapper/009:13:260
2425999513,43cyclictest0-21swapper/007:58:230
2425999513,43cyclictest0-21swapper/007:33:350
2425999513,17cyclictest0-21swapper/009:53:110
72972503,41sleep00-21swapper/006:36:370
60232502,10sleep30-21swapper/305:25:033
24266995018,12cyclictest0-21swapper/306:33:203
24266995012,11cyclictest0-21swapper/307:18:143
2426599505,24cyclictest0-21swapper/206:26:592
2425999506,28cyclictest0-21swapper/005:58:250
2425999505,27cyclictest0-21swapper/009:28:480
2425999503,41cyclictest0-21swapper/010:13:170
2425999503,17cyclictest0-21swapper/007:38:180
24266994922,12cyclictest0-21swapper/309:23:293
2426599494,29cyclictest0-21swapper/206:03:232
24265994935,9cyclictest30451-21grep05:08:372
24265994934,10cyclictest29231-21uname06:13:362
24265994934,10cyclictest29231-21uname06:13:362
2425999495,27cyclictest0-21swapper/006:48:400
24259994921,13cyclictest0-21swapper/006:38:290
205442494,39sleep00-21swapper/005:57:200
324742483,10sleep30-21swapper/306:22:143
24266994817,18cyclictest0-21swapper/305:15:473
2425999485,27cyclictest0-21swapper/006:32:030
2425999484,28cyclictest0-21swapper/005:08:290
24259994820,9cyclictest6276-21latency_hist05:28:120
2426699473,36cyclictest0-21swapper/305:03:133
24266994723,10cyclictest0-21swapper/305:08:153
2425999474,25cyclictest0-21swapper/005:13:410
84672462,38sleep10-21swapper/105:30:451
84672462,38sleep10-21swapper/105:30:451
24266994628,7cyclictest34-21rcuc/306:13:213
24266994628,7cyclictest34-21rcuc/306:13:213
2425999466,34cyclictest0-21swapper/005:43:370
2425999464,26cyclictest0-21swapper/006:53:260
2425999463,38cyclictest0-21swapper/006:43:380
2425999462,37cyclictest0-21swapper/006:13:420
2425999462,37cyclictest0-21swapper/006:13:420
24259994616,12cyclictest0-21swapper/006:28:110
2426699454,34cyclictest0-21swapper/305:38:113
24266994524,10cyclictest0-21swapper/305:03:553
24266994523,9cyclictest0-21swapper/306:03:183
2425999454,34cyclictest0-21swapper/006:03:310
2425999454,25cyclictest0-21swapper/006:18:250
2425999453,36cyclictest0-21swapper/005:38:230
2426699443,34cyclictest0-21swapper/306:53:273
2426599444,21cyclictest24238-21latency_hist04:58:142
2426499444,36cyclictest0-21swapper/106:35:161
2426499444,35cyclictest0-21swapper/107:58:101
2426499444,33cyclictest0-21swapper/106:48:091
2426499443,37cyclictest0-21swapper/105:46:261
2426499443,35cyclictest0-21swapper/105:13:371
24259994417,8cyclictest26986-21head05:03:250
24259994416,9cyclictest8663-21latency_hist05:33:120
24259994416,9cyclictest8663-21latency_hist05:33:120
24259994410,19cyclictest0-21swapper/005:33:240
179662442,36sleep10-21swapper/105:49:481
264252432,36sleep10-21swapper/105:00:391
2426499433,35cyclictest0-21swapper/105:53:401
2426499424,33cyclictest0-21swapper/105:08:311
2426499424,32cyclictest0-21swapper/105:38:401
2426499423,34cyclictest0-21swapper/106:38:221
24264994226,9cyclictest4302-21sendmail_mailqu06:28:381
2426499422,34cyclictest25656-21telnet06:08:211
2426499413,11cyclictest0-21swapper/106:58:081
24264994126,11cyclictest0-21swapper/106:24:441
248599360,3rtkit-daemon2484-21rtkit-daemon04:55:463
2426499337,9cyclictest7250irq/45-ahci04:58:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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