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2026-08-15 - 14:34

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 Aug 15, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2461921070,6sleep024617-21uptime07:01:440
238509910451,14cyclictest0-21swapper/008:51:170
2385499964,69cyclictest0-21swapper/306:31:303
2385499924,69cyclictest0-21swapper/309:43:443
2385499924,52cyclictest2381-21runrttasks10:00:513
2385499914,75cyclictest6984-21gltestperf06:26:303
2385499884,64cyclictest0-21swapper/308:28:323
2385499884,59cyclictest26651-21crond08:11:073
2385499883,54cyclictest0-21swapper/309:26:223
2385499877,63cyclictest29019-21ssh09:01:303
2385499874,76cyclictest11228-21tr06:36:263
2385499874,76cyclictest11228-21tr06:36:263
2385499874,76cyclictest0-21swapper/308:31:203
2385499874,65cyclictest21126-21munin-node11:16:293
2385499874,65cyclictest21126-21munin-node11:16:293
2385499864,74cyclictest22531-21awk08:51:323
2385499864,66cyclictest0-21swapper/309:22:423
2385499864,64cyclictest0-21swapper/310:40:223
2385499863,71cyclictest23671-21gltestperf07:01:303
2385499863,64cyclictest27773-21grep08:11:283
2385499863,62cyclictest19932-21latency_hist08:01:083
219499860,5rtkit-daemon2193-21rtkit-daemon09:31:420
2385499854,73cyclictest16579-21crond07:56:073
2385499854,73cyclictest0-21swapper/305:56:433
2385499854,64cyclictest0-21swapper/310:41:183
2385499854,64cyclictest0-21swapper/309:31:203
2385499854,60cyclictest0-21swapper/311:11:293
2385499853,65cyclictest20340-21ssh08:48:413
2385499853,62cyclictest173331ssh10:21:323
2385499853,51cyclictest0-21swapper/311:09:423
219499850,4rtkit-daemon2193-21rtkit-daemon05:56:282
2385499844,73cyclictest0-21swapper/308:59:013
2385499844,64cyclictest1124-21snmpd08:23:233
2385499844,64cyclictest0-21swapper/310:29:123
2385499844,63cyclictest0-21swapper/309:37:353
2385499844,61cyclictest0-21swapper/310:51:523
2385499844,61cyclictest0-21swapper/310:14:173
2385499844,61cyclictest0-21swapper/309:46:263
2385499844,54cyclictest0-21swapper/310:16:473
2385499843,73cyclictest0-21swapper/308:37:083
2385499843,62cyclictest0-21swapper/310:57:413
2385499843,51cyclictest0-21swapper/308:44:493
2385499843,51cyclictest0-21swapper/308:44:493
23854998410,51cyclictest29310-21gltestperf09:51:233
222912840,4sleep229-21ksoftirqd/211:19:142
222912840,4sleep229-21ksoftirqd/211:19:142
2385499835,71cyclictest0-21swapper/309:09:063
2385499834,71cyclictest31511-21memory08:16:333
2385499834,71cyclictest10312-21df11:01:153
2385499834,62cyclictest0-21swapper/311:23:453
2385499834,60cyclictest0-21swapper/306:16:123
2385499833,69cyclictest9106-21latency_hist10:11:033
2385499824,71cyclictest0-21swapper/307:26:353
2385499824,62cyclictest0-21swapper/310:47:123
2385499824,62cyclictest0-21swapper/308:01:463
2385499824,62cyclictest0-21swapper/308:01:463
2385499823,53cyclictest22601-21munin-node10:31:153
2385499823,53cyclictest22601-21munin-node10:31:153
23854998212,48cyclictest7273-21yum09:16:413
2385499814,62cyclictest0-21swapper/307:43:203
2385499814,58cyclictest3034-21cpuspeed_turbos10:01:173
2385499814,57cyclictest0-21swapper/309:13:143
2385499808,65cyclictest5945-21sed07:31:323
2385499794,67cyclictest0-21swapper/306:56:223
2385499794,63cyclictest0-21swapper/307:14:033
2385499794,51cyclictest0-21swapper/306:01:383
2385499793,68cyclictest0-21swapper/306:47:503
23854997812,43cyclictest28845-21munin-node06:06:363
2385499773,52cyclictest0-21swapper/306:23:123
2385499764,62cyclictest0-21swapper/307:36:393
2385499763,8cyclictest1227-21runrttasks06:51:323
2385499763,57cyclictest0-21swapper/306:21:113
2385499743,64cyclictest12888-21gltestperf07:46:273
2385499734,61cyclictest0-21swapper/307:06:243
2385499734,46cyclictest0-21swapper/307:21:403
23854997236,27cyclictest30328-21cut07:16:243
2385499723,8cyclictest107550irq/46-eth006:41:303
219499710,4rtkit-daemon2193-21rtkit-daemon09:11:202
13252706,11sleep00-21swapper/009:09:400
2385499694,58cyclictest0-21swapper/305:56:133
2385499694,58cyclictest0-21swapper/305:56:133
2385399664,45cyclictest0-21swapper/209:55:402
2385399664,42cyclictest0-21swapper/210:18:502
219499660,4rtkit-daemon2193-21rtkit-daemon10:10:262
198622667,13sleep00-21swapper/009:36:330
242492650,3sleep124373-21cut08:56:061
23852996538,9cyclictest21012-21cat08:51:061
219499650,6rtkit-daemon2193-21rtkit-daemon09:22:202
2385399644,52cyclictest0-21swapper/208:51:402
2385099643,55cyclictest0-21swapper/010:06:380
219499640,4rtkit-daemon2193-21rtkit-daemon08:39:592
23852996345,12cyclictest0-21swapper/110:01:141
2385099632,54cyclictest25993-21sendmail_mailqu08:56:340
2385399625,49cyclictest0-21swapper/211:21:182
2385399625,48cyclictest0-21swapper/208:22:492
23850996243,12cyclictest0-21swapper/009:16:310
219499620,5rtkit-daemon2193-21rtkit-daemon08:03:232
219499620,5rtkit-daemon2193-21rtkit-daemon08:03:232
2385399614,50cyclictest0-21swapper/206:11:302
23850996143,12cyclictest0-21swapper/010:46:340
23850996143,12cyclictest0-21swapper/009:11:170
2385399604,49cyclictest0-21swapper/208:19:552
2385399603,50cyclictest2763-21aten2.4-expect10:01:142
23853996022,22cyclictest1227-21runrttasks09:27:132
23852996040,14cyclictest0-21swapper/108:06:291
2385299603,51cyclictest0-21swapper/111:10:291
23850996041,13cyclictest0-21swapper/010:01:160
23850996040,13cyclictest0-21swapper/008:01:300
23850996040,13cyclictest0-21swapper/008:01:300
2269926010,39sleep00-21swapper/005:51:330
2269926010,39sleep00-21swapper/005:51:330
204972603,12sleep20-21swapper/209:36:592
186242603,10sleep10-21swapper/109:36:181
13732603,11sleep10-21swapper/110:46:321
62172592,10sleep00-21swapper/010:55:390
23852995945,8cyclictest26926-21wc10:36:271
23852995941,13cyclictest0-21swapper/110:16:241
2385299593,50cyclictest0-21swapper/109:43:441
2385299593,50cyclictest0-21swapper/108:14:061
219499590,7rtkit-daemon2193-21rtkit-daemon08:00:162
219499590,4rtkit-daemon2193-21rtkit-daemon08:47:292
219499590,4rtkit-daemon2193-21rtkit-daemon06:21:572
186872593,11sleep20-21swapper/211:13:022
85222583,11sleep20-21swapper/210:56:492
2385399584,30cyclictest0-21swapper/207:41:282
2385399584,27cyclictest9565-21cpuspeed_turbos10:11:162
23852995839,13cyclictest0-21swapper/108:42:331
23852995839,13cyclictest0-21swapper/108:42:331
2385299583,49cyclictest0-21swapper/109:14:231
2385299583,49cyclictest0-21swapper/108:39:211
23852995824,28cyclictest0-21swapper/111:21:161
2385299582,50cyclictest0-21swapper/111:16:191
2385299582,50cyclictest0-21swapper/111:16:191
2385299582,50cyclictest0-21swapper/110:23:321
23850995844,10cyclictest0-21swapper/007:56:420
23850995838,14cyclictest0-21swapper/010:37:390
222502582,49sleep00-21swapper/011:19:050
222502582,49sleep00-21swapper/011:19:050
2385399574,46cyclictest0-21swapper/210:41:212
2385399574,46cyclictest0-21swapper/208:35:552
2385399574,18cyclictest0-21swapper/208:42:242
2385399574,18cyclictest0-21swapper/208:42:242
23853995718,26cyclictest0-21swapper/208:28:022
2385299574,46cyclictest0-21swapper/109:21:161
23852995739,13cyclictest0-21swapper/109:58:231
23852995738,14cyclictest0-21swapper/108:22:001
23852995738,13cyclictest0-21swapper/110:26:351
2385099574,47cyclictest0-21swapper/009:01:320
23850995738,13cyclictest0-21swapper/008:21:400
23850995737,13cyclictest0-21swapper/008:26:330
23850995737,13cyclictest0-21swapper/008:16:310
23850995736,14cyclictest0-21swapper/010:42:210
219499570,6rtkit-daemon2193-21rtkit-daemon06:32:492
2385399564,46cyclictest0-21swapper/207:10:372
2385399563,44cyclictest307422sleep209:05:502
23852995639,12cyclictest0-21swapper/108:19:261
2385299563,47cyclictest0-21swapper/106:05:541
2385299563,46cyclictest30810-21unixbench_singl10:41:341
23852995623,26cyclictest27961-21tail09:01:181
2385299562,48cyclictest0-21swapper/110:32:311
2385299562,48cyclictest0-21swapper/110:32:311
2385299562,48cyclictest0-21swapper/109:19:421
23850995643,7cyclictest7025-21munin-plugin-st07:36:090
23850995637,13cyclictest0-21swapper/010:16:280
23850995637,13cyclictest0-21swapper/010:11:320
23850995637,13cyclictest0-21swapper/009:56:250
23850995635,14cyclictest0-21swapper/011:10:260
23850995632,11cyclictest0-21swapper/009:42:090
219499560,4rtkit-daemon16302-21taskset07:52:312
278632553,9sleep227830-21yum-updatesd-he10:37:342
2385399555,30cyclictest0-21swapper/206:56:242
2385399554,43cyclictest0-21swapper/208:06:112
2385399554,36cyclictest0-21swapper/208:59:292
2385399554,30cyclictest0-21swapper/211:06:122
2385399554,30cyclictest0-21swapper/209:06:402
2385399554,29cyclictest0-21swapper/210:21:362
2385399554,27cyclictest0-21swapper/206:09:382
2385399554,14cyclictest0-21swapper/208:11:372
2385399553,13cyclictest0-21swapper/210:31:562
2385399553,13cyclictest0-21swapper/210:31:562
2385299553,47cyclictest0-21swapper/110:11:131
2385299553,47cyclictest0-21swapper/109:51:131
2385299552,48cyclictest0-21swapper/110:56:381
2385299552,47cyclictest0-21swapper/107:59:371
2385299552,47cyclictest0-21swapper/106:06:251
23852995519,29cyclictest0-21swapper/110:51:171
23850995536,13cyclictest0-21swapper/010:31:140
23850995536,13cyclictest0-21swapper/010:31:140
23850995535,14cyclictest0-21swapper/011:21:310
23850995535,14cyclictest0-21swapper/009:22:480
23850995535,14cyclictest0-21swapper/007:16:270
207712553,44sleep00-21swapper/010:26:360
135432552,47sleep00-21swapper/009:26:370
2385399549,28cyclictest0-21swapper/206:26:242
2385399545,15cyclictest0-21swapper/210:54:102
2385399544,30cyclictest0-21swapper/209:46:292
2385399544,30cyclictest0-21swapper/209:16:272
2385399544,30cyclictest0-21swapper/207:36:252
2385399544,30cyclictest0-21swapper/207:21:372
2385399544,30cyclictest0-21swapper/207:11:262
2385399544,29cyclictest0-21swapper/209:56:582
2385399544,29cyclictest0-21swapper/206:51:232
23853995436,11cyclictest11203-21cpuspeed_turbos06:36:262
23853995436,11cyclictest11203-21cpuspeed_turbos06:36:262
23853995424,12cyclictest0-21swapper/210:49:392
23853995421,13cyclictest0-21swapper/211:01:222
2385299543,46cyclictest0-21swapper/111:04:081
2385299543,46cyclictest0-21swapper/109:35:271
2385299543,45cyclictest0-21swapper/109:46:521
2385299543,45cyclictest0-21swapper/105:56:291
2385299542,47cyclictest0-21swapper/108:28:561
2385299542,46cyclictest0-21swapper/107:29:051
23850995437,12cyclictest0-21swapper/008:08:000
23850995436,12cyclictest0-21swapper/011:01:300
23850995436,12cyclictest0-21swapper/010:56:150
23850995435,13cyclictest0-21swapper/010:21:300
23850995435,13cyclictest0-21swapper/008:46:430
23850995435,12cyclictest0-21swapper/007:21:310
23850995430,19cyclictest0-21swapper/006:00:490
2385099543,45cyclictest0-21swapper/008:32:020
271982532,10sleep00-21swapper/007:08:590
2385399535,29cyclictest0-21swapper/210:26:372
2385399534,30cyclictest0-21swapper/209:41:342
2385399534,28cyclictest0-21swapper/207:16:322
2385399534,15cyclictest0-21swapper/209:31:192
23853995322,13cyclictest0-21swapper/206:16:342
23853995320,13cyclictest0-21swapper/207:01:382
2385299534,43cyclictest0-21swapper/106:26:231
23852995338,8cyclictest25221-21munin-node07:06:281
2385299533,45cyclictest0-21swapper/109:06:421
2385299533,45cyclictest0-21swapper/108:01:131
2385299533,45cyclictest0-21swapper/108:01:131
2385299533,45cyclictest0-21swapper/107:31:201
2385299533,44cyclictest0-21swapper/107:19:041
2385299532,47cyclictest0-21swapper/109:26:281
2385299532,46cyclictest0-21swapper/111:11:391
23850995337,11cyclictest0-21swapper/008:11:240
165172532,7sleep016521-21ssh08:41:420
165172532,7sleep016521-21ssh08:41:420
139492532,45sleep00-21swapper/008:39:290
294802522,10sleep00-21swapper/007:12:380
2385399524,29cyclictest0-21swapper/207:46:252
23853995219,13cyclictest0-21swapper/207:26:262
23852995235,12cyclictest0-21swapper/106:37:371
23852995235,12cyclictest0-21swapper/106:37:371
2385299523,44cyclictest0-21swapper/108:32:081
2385299523,44cyclictest0-21swapper/107:51:201
2385299523,44cyclictest0-21swapper/106:56:401
2385299523,44cyclictest0-21swapper/106:31:341
2385299522,44cyclictest0-21swapper/107:01:231
23850995234,12cyclictest0-21swapper/006:10:380
2385099523,45cyclictest0-21swapper/011:15:540
23850995229,11cyclictest0-21swapper/006:21:230
23850995227,19cyclictest0-21swapper/009:52:390
23850995213,33cyclictest9800-21aten2.4-expect07:41:210
55892513,10sleep10-21swapper/106:22:361
2385399514,29cyclictest0-21swapper/207:31:312
2385399514,29cyclictest0-21swapper/206:48:592
2385399514,27cyclictest0-21swapper/206:41:242
2385299513,44cyclictest0-21swapper/110:07:121
2385299513,43cyclictest0-21swapper/108:57:431
23850995133,13cyclictest0-21swapper/007:30:550
23850995133,13cyclictest0-21swapper/006:56:330
2385099513,42cyclictest1124-21snmpd07:39:070
23850995115,14cyclictest0-21swapper/009:46:140
199692512,9sleep00-21swapper/006:53:110
2385299505,39cyclictest1354-21aten2.4-expect06:16:241
2385299503,42cyclictest0-21swapper/106:11:421
2385099504,39cyclictest0-21swapper/007:51:310
23850995036,9cyclictest13266-21munin-node06:41:230
23850995032,13cyclictest0-21swapper/006:03:440
23853994932,10cyclictest27159-21grep06:01:312
2385299494,27cyclictest0-21swapper/106:51:291
2385299494,27cyclictest0-21swapper/106:46:231
2385299493,41cyclictest0-21swapper/107:36:281
23850994934,9cyclictest12090-21strings06:36:370
23850994934,9cyclictest12090-21strings06:36:370
23850994933,11cyclictest0-21swapper/006:17:330
23850994932,13cyclictest0-21swapper/006:29:390
23850994921,8cyclictest946-21latency_hist06:16:120
23852994819,12cyclictest0-21swapper/107:44:081
23850994829,14cyclictest0-21swapper/006:46:240
2385299473,39cyclictest0-21swapper/107:11:341
23850994733,10cyclictest0-21swapper/006:31:240
2385099473,39cyclictest0-21swapper/007:46:280
2385299463,18cyclictest0-21swapper/106:41:261
21222462,38sleep10-21swapper/107:25:161
2385299433,34cyclictest0-21swapper/107:46:221
2385399414,31cyclictest7150irq/45-ahci05:56:132
2385399414,31cyclictest7150irq/45-ahci05:56:132
2385299333,23cyclictest0-21swapper/105:56:141
2385299333,23cyclictest0-21swapper/105:56:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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