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2026-08-23 - 09:26

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 highest latencies:
System rack1slot6s.osadl.org (updated Sun Aug 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219499890,4rtkit-daemon2193-21rtkit-daemon22:00:311
219499860,5rtkit-daemon2193-21rtkit-daemon20:34:043
219499860,4rtkit-daemon2193-21rtkit-daemon22:13:383
219499840,5rtkit-daemon2193-21rtkit-daemon23:05:283
219499820,4rtkit-daemon2193-21rtkit-daemon21:04:482
219499800,5rtkit-daemon2193-21rtkit-daemon23:04:131
219499800,5rtkit-daemon2193-21rtkit-daemon21:55:311
219499790,6rtkit-daemon0-21swapper/323:11:503
219499760,5rtkit-daemon2193-21rtkit-daemon20:08:051
219499760,5rtkit-daemon2193-21rtkit-daemon20:08:051
219499750,6rtkit-daemon0-21swapper/317:56:403
219499740,6rtkit-daemon0-21swapper/322:24:303
219499740,4rtkit-daemon2193-21rtkit-daemon20:19:051
10654997418,47cyclictest11918-21fschecks_time20:49:223
10654997418,47cyclictest11918-21fschecks_time20:49:223
10654997326,38cyclictest13462-21unixbench_singl21:39:343
10654997324,31cyclictest9616-21needreboot21:34:273
10654997324,31cyclictest9616-21needreboot21:34:273
10654997321,43cyclictest8787-21latency_hist22:24:003
10654997318,45cyclictest5395-21cpuspeed_turbos21:29:163
219499720,5rtkit-daemon2193-21rtkit-daemon23:00:581
219499720,11rtkit-daemon0-21swapper/319:09:223
10654997221,28cyclictest32083-21unixbench_singl20:29:373
10654997219,32cyclictest99341ssh23:14:123
219499710,5rtkit-daemon2193-21rtkit-daemon21:44:241
219499700,6rtkit-daemon0-21swapper/319:00:383
10654997018,44cyclictest10647-21expr19:59:203
1065199704,58cyclictest0-21swapper/021:29:360
1065199704,57cyclictest0-21swapper/020:39:140
219499690,5rtkit-daemon2193-21rtkit-daemon22:12:381
219499690,4rtkit-daemon2193-21rtkit-daemon21:43:541
219499690,4rtkit-daemon2193-21rtkit-daemon20:24:571
79292683,12sleep00-21swapper/022:21:060
219499680,5rtkit-daemon2193-21rtkit-daemon20:30:341
219499680,4rtkit-daemon26307-21cat19:29:073
1065199684,56cyclictest0-21swapper/022:49:320
1065199684,55cyclictest0-21swapper/021:39:410
1065199683,57cyclictest0-21swapper/021:54:170
219499670,6rtkit-daemon31854-21yum-updatesd-he18:31:013
219499670,6rtkit-daemon28689-21munin-node22:54:213
219499670,6rtkit-daemon28689-21munin-node22:54:213
219499670,5rtkit-daemon2193-21rtkit-daemon19:55:201
10654996714,34cyclictest0-21swapper/321:49:003
1065199674,56cyclictest0-21swapper/022:59:170
1065199674,55cyclictest0-21swapper/019:54:160
1065199674,54cyclictest0-21swapper/020:59:250
219499660,7rtkit-daemon0-21swapper/318:53:453
219499660,7rtkit-daemon0-21swapper/318:53:453
219499660,6rtkit-daemon27791-21swap19:29:363
219499660,6rtkit-daemon27791-21swap19:29:363
219499660,6rtkit-daemon0-21swapper/318:21:243
219499660,6rtkit-daemon0-21swapper/317:59:483
219499660,5rtkit-daemon0-21swapper/318:06:173
219499660,5rtkit-daemon0-21swapper/318:06:173
219499660,4rtkit-daemon2193-21rtkit-daemon22:06:381
219499660,4rtkit-daemon2193-21rtkit-daemon19:39:441
10654996615,43cyclictest0-21swapper/320:54:313
10654996615,35cyclictest0-21swapper/319:57:593
10654996615,32cyclictest28478-21python20:24:343
10654996615,31cyclictest0-21swapper/321:19:333
1065199664,54cyclictest0-21swapper/021:09:300
219499650,6rtkit-daemon0-21swapper/322:37:593
219499650,6rtkit-daemon0-21swapper/322:32:593
219499650,6rtkit-daemon0-21swapper/320:39:413
219499650,6rtkit-daemon0-21swapper/318:55:383
219499650,6rtkit-daemon0-21swapper/318:43:233
219499650,6rtkit-daemon0-21swapper/318:39:013
219499650,6rtkit-daemon0-21swapper/318:17:243
10654996516,42cyclictest0-21swapper/320:19:143
10654996516,33cyclictest15138-21sendmail_mailtr20:04:333
10654996516,33cyclictest15138-21sendmail_mailtr20:04:333
10654996512,35cyclictest0-21swapper/322:14:513
10654996510,48cyclictest0-21swapper/320:09:383
10654996510,48cyclictest0-21swapper/320:09:383
1065199654,53cyclictest0-21swapper/022:24:110
1065199654,53cyclictest0-21swapper/020:24:280
219499640,6rtkit-daemon0-21swapper/322:40:293
219499640,6rtkit-daemon0-21swapper/317:52:253
219499640,6rtkit-daemon0-21swapper/222:52:513
219499640,4rtkit-daemon2193-21rtkit-daemon20:00:501
1065499649,49cyclictest0-21swapper/322:44:013
1065199644,53cyclictest0-21swapper/020:16:120
1065199643,53cyclictest0-21swapper/019:44:190
219499630,5rtkit-daemon0-21swapper/318:29:312
10654996319,38cyclictest17823-21munin-node20:59:143
10654996315,41cyclictest1418-21cpuspeed_turbos19:44:203
10654996315,41cyclictest0-21swapper/321:09:023
10654996315,40cyclictest20719-21cat20:14:183
10654996315,35cyclictest3385-21diskmemload21:55:023
1065199634,52cyclictest0-21swapper/020:29:240
1065199634,52cyclictest0-21swapper/019:59:400
1065199634,51cyclictest0-21swapper/022:29:330
1065199634,51cyclictest0-21swapper/020:19:220
219499620,8rtkit-daemon0-21swapper/323:09:432
219499620,7rtkit-daemon0-21swapper/120:23:491
219499620,6rtkit-daemon20549-21ssh21:51:161
219499620,5rtkit-daemon0-21swapper/318:59:232
219499620,3rtkit-daemon0-21swapper/120:12:121
219499620,3rtkit-daemon0-21swapper/120:12:121
10654996215,30cyclictest0-21swapper/322:59:093
10654996213,41cyclictest0-21swapper/321:49:273
10654996213,41cyclictest0-21swapper/321:24:223
10654996212,42cyclictest0-21swapper/319:39:293
10654996211,31cyclictest28097-21munin-node22:04:343
1065199624,51cyclictest0-21swapper/022:54:300
1065199624,51cyclictest0-21swapper/022:54:300
1065199624,51cyclictest0-21swapper/021:44:170
1065199624,51cyclictest0-21swapper/021:24:270
1065199624,50cyclictest0-21swapper/020:09:040
1065199624,50cyclictest0-21swapper/020:09:040
1065199623,51cyclictest0-21swapper/021:19:280
219499610,5rtkit-daemon0-21swapper/219:19:443
10654996116,28cyclictest9344-21ssh20:44:353
10654996114,31cyclictest0-21swapper/321:59:353
10654996113,39cyclictest5381-21ssh19:49:393
10654996113,29cyclictest30463-21ssh21:18:483
1065199614,49cyclictest0-21swapper/022:44:110
1065199613,50cyclictest0-21swapper/021:50:330
219499600,6rtkit-daemon0-21swapper/218:24:543
10654996010,30cyclictest25358-21latency21:09:263
1065399603,50cyclictest0-21swapper/221:10:402
10652996042,10cyclictest12795-21timerwakeupswit20:49:351
10652996042,10cyclictest12795-21timerwakeupswit20:49:351
1065199603,50cyclictest18133-21proc_pri19:09:340
87642593,49sleep00-21swapper/021:34:170
87642593,49sleep00-21swapper/021:34:170
7092593,12sleep20-21swapper/218:34:272
37662594,11sleep10-21swapper/118:39:381
1065399594,47cyclictest0-21swapper/221:43:562
10652995936,15cyclictest0-21swapper/119:49:191
1065199594,49cyclictest0-21swapper/022:09:150
1065199594,32cyclictest0-21swapper/021:14:290
1065199593,49cyclictest0-21swapper/021:04:140
1065399584,41cyclictest0-21swapper/220:17:192
1065299586,14cyclictest0-21swapper/120:40:551
1065199583,50cyclictest0-21swapper/022:03:150
1065199583,49cyclictest0-21swapper/022:14:100
1065199583,47cyclictest1219-21ssh20:34:140
1065199583,38cyclictest0-21swapper/020:10:340
1065199583,38cyclictest0-21swapper/020:10:340
219499570,5rtkit-daemon2193-21rtkit-daemon21:14:402
219322573,45sleep20-21swapper/221:54:152
10654995722,28cyclictest22036-21timerwakeupswit18:09:413
10654995714,33cyclictest0-21swapper/319:34:243
1065399574,45cyclictest0-21swapper/219:59:222
10653995727,13cyclictest0-21swapper/220:54:242
1065399572,50cyclictest0-21swapper/222:44:332
10652995717,32cyclictest13795-21unixbench_singl18:59:401
1065199575,44cyclictest0-21swapper/020:49:230
1065199575,44cyclictest0-21swapper/020:49:230
1065199574,46cyclictest0-21swapper/022:38:050
1065199573,48cyclictest0-21swapper/020:48:460
1065199572,49cyclictest0-21swapper/017:55:540
219499560,5rtkit-daemon2193-21rtkit-daemon20:44:412
219499560,4rtkit-daemon2193-21rtkit-daemon21:00:182
1065399564,45cyclictest0-21swapper/220:09:262
1065399564,45cyclictest0-21swapper/220:09:262
1065399564,31cyclictest0-21swapper/218:14:272
1065399564,29cyclictest0-21swapper/221:59:152
1065399563,47cyclictest0-21swapper/222:56:102
1065399563,47cyclictest0-21swapper/222:56:102
10653995629,9cyclictest12245-21munin-node22:29:332
1065399562,48cyclictest0-21swapper/220:49:452
1065399562,48cyclictest0-21swapper/220:49:452
1065299564,35cyclictest0-21swapper/121:21:591
1065199564,46cyclictest0-21swapper/023:18:270
1065199563,47cyclictest0-21swapper/019:51:410
54672553,45sleep20-21swapper/220:39:242
219499550,4rtkit-daemon2193-21rtkit-daemon21:20:172
1065399556,34cyclictest0-21swapper/222:23:422
1065399554,43cyclictest0-21swapper/220:04:252
1065399554,43cyclictest0-21swapper/220:04:252
1065399554,35cyclictest0-21swapper/220:23:412
1065399553,47cyclictest0-21swapper/223:17:272
1065399553,46cyclictest0-21swapper/222:40:542
1065399552,48cyclictest0-21swapper/219:56:282
1065399552,27cyclictest0-21swapper/221:49:222
1065299556,33cyclictest0-21swapper/122:47:471
1065299555,27cyclictest0-21swapper/121:30:471
1065299554,44cyclictest0-21swapper/123:13:571
10652995534,14cyclictest0-21swapper/120:59:301
10652995533,13cyclictest0-21swapper/121:14:201
1065199554,44cyclictest0-21swapper/023:04:300
1065199554,44cyclictest0-21swapper/022:39:110
1065199554,35cyclictest0-21swapper/020:55:240
1065499544,28cyclictest0-21swapper/318:44:213
10654995416,11cyclictest15820-21kworker/u8:219:19:053
10654995414,16cyclictest16686-21latency_hist19:09:073
1065399544,42cyclictest0-21swapper/218:39:262
1065399544,41cyclictest0-21swapper/222:24:002
1065399544,13cyclictest0-21swapper/223:04:162
1065399542,47cyclictest0-21swapper/222:11:392
10653995418,30cyclictest3962-21timerandwakeup22:14:302
10652995424,15cyclictest0-21swapper/122:31:591
10652995418,11cyclictest14953-21df_abs20:54:181
10652995416,30cyclictest9952-21cat21:34:341
10652995416,30cyclictest9952-21cat21:34:341
1065199544,44cyclictest0-21swapper/023:09:540
1065199544,44cyclictest0-21swapper/022:06:440
10651995436,11cyclictest29652-21wc19:34:260
1065199543,45cyclictest832-21latency_hist19:44:060
271532533,42sleep10-21swapper/118:21:491
207582533,44sleep10-21swapper/122:39:491
174952532,9sleep20-21swapper/222:34:542
1065399539,27cyclictest0-21swapper/222:08:342
1065399535,31cyclictest0-21swapper/222:49:132
1065399534,22cyclictest0-21swapper/219:39:052
10653995335,10cyclictest23335-21unixbench_singl19:19:412
1065399532,46cyclictest0-21swapper/223:00:352
10653995318,12cyclictest0-21swapper/219:49:052
1065299535,28cyclictest0-21swapper/120:34:351
1065299534,28cyclictest0-21swapper/121:26:011
1065299534,26cyclictest12673-21latency_hist23:18:571
1065399524,41cyclictest0-21swapper/221:34:002
1065399524,27cyclictest0-21swapper/219:50:362
10653995231,13cyclictest0-21swapper/220:26:222
1065399523,12cyclictest0-21swapper/220:34:302
1065399522,45cyclictest0-21swapper/220:32:182
1065399522,45cyclictest0-21swapper/219:39:182
1065299524,24cyclictest0-21swapper/119:34:181
10652995220,13cyclictest0-21swapper/120:44:281
10652995217,8cyclictest18-21rcuc/122:18:371
1065199525,12cyclictest0-21swapper/018:34:280
1065199523,43cyclictest0-21swapper/018:14:290
1065199523,43cyclictest0-21swapper/018:04:230
1065199523,43cyclictest0-21swapper/018:04:230
1065399514,40cyclictest0-21swapper/221:44:272
1065399514,39cyclictest0-21swapper/219:34:062
1065399514,39cyclictest0-21swapper/219:34:062
1065399514,39cyclictest0-21swapper/219:09:172
1065399514,39cyclictest0-21swapper/218:24:302
1065399514,29cyclictest0-21swapper/219:24:372
1065399514,29cyclictest0-21swapper/218:49:372
1065399514,29cyclictest0-21swapper/218:49:372
1065399512,44cyclictest0-21swapper/217:54:422
10653995117,12cyclictest0-21swapper/221:34:232
10653995117,12cyclictest0-21swapper/221:34:232
10653995114,29cyclictest0-21swapper/221:24:272
1065299515,28cyclictest0-21swapper/122:34:191
1065299515,28cyclictest0-21swapper/118:04:261
1065299515,28cyclictest0-21swapper/118:04:261
1065299514,40cyclictest0-21swapper/121:09:321
1065299514,27cyclictest0-21swapper/122:19:191
10652995113,27cyclictest107550irq/46-eth022:49:071
1065199515,38cyclictest0-21swapper/019:14:240
1065199514,40cyclictest0-21swapper/019:24:280
10651995135,10cyclictest28106-21grep19:29:390
10651995135,10cyclictest28106-21grep19:29:390
1065199513,43cyclictest0-21swapper/018:54:330
1065199513,42cyclictest0-21swapper/017:49:210
224372503,9sleep10-21swapper/118:12:331
1065399504,38cyclictest0-21swapper/217:52:422
1065399504,28cyclictest0-21swapper/219:14:222
1065399502,42cyclictest0-21swapper/218:19:272
1065299505,36cyclictest0-21swapper/118:14:231
1065299505,28cyclictest0-21swapper/119:09:341
1065299504,40cyclictest0-21swapper/117:50:421
10652995029,14cyclictest0-21swapper/119:24:061
10652995028,15cyclictest0-21swapper/121:04:251
10652995028,14cyclictest0-21swapper/117:54:251
1065199504,40cyclictest0-21swapper/017:59:270
1065199504,13cyclictest0-21swapper/018:44:200
1065199503,41cyclictest0-21swapper/018:59:170
1065399494,27cyclictest0-21swapper/218:04:092
10653994933,10cyclictest18386-21cpuspeed_turbos18:04:232
10653994933,10cyclictest18386-21cpuspeed_turbos18:04:232
1065399493,40cyclictest0-21swapper/218:44:192
10653994922,11cyclictest0-21swapper/218:09:352
1065399492,42cyclictest0-21swapper/217:49:102
1065299495,26cyclictest0-21swapper/122:28:441
1065299494,27cyclictest0-21swapper/119:44:321
1065299494,27cyclictest0-21swapper/119:24:251
10652994929,13cyclictest0-21swapper/122:54:291
10652994929,13cyclictest0-21swapper/122:54:291
1065199494,39cyclictest0-21swapper/018:24:210
1065199494,38cyclictest0-21swapper/018:39:210
1065199494,29cyclictest0-21swapper/018:49:350
1065199494,29cyclictest0-21swapper/018:49:350
1065199494,13cyclictest0-21swapper/019:04:390
1065199493,41cyclictest0-21swapper/019:19:390
320302483,40sleep10-21swapper/118:33:091
211742483,9sleep10-21swapper/119:17:071
1065399484,28cyclictest0-21swapper/219:04:372
1065299484,27cyclictest0-21swapper/119:31:101
1065299484,27cyclictest0-21swapper/119:31:101
1065299484,27cyclictest0-21swapper/118:49:071
1065299484,26cyclictest0-21swapper/118:54:181
1065199483,39cyclictest0-21swapper/018:29:190
1065299474,13cyclictest0-21swapper/119:04:251
1065199473,39cyclictest0-21swapper/018:09:330
10651994719,12cyclictest0-21swapper/018:19:390
175982463,37sleep10-21swapper/118:01:411
1065399463,26cyclictest12-21rcu_preempt18:54:202
105142464,35sleep00-21swapper/017:47:500
1065299454,26cyclictest0-21swapper/118:34:181
1065299447,32cyclictest7553-21cut18:49:211
1065299447,32cyclictest7553-21cut18:49:211
1065499434,11cyclictest0-21swapper/317:49:093
1065299424,32cyclictest0-21swapper/118:26:001
1065299345,22cyclictest0-21swapper/117:49:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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