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2026-01-23 - 14:18
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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 Fri Jan 23, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2325121090,4sleep023254-21grep11:01:320
290229910134,13cyclictest0-21swapper/011:16:280
290299910039,8cyclictest30205-21ssh08:41:362
29022999841,13cyclictest0-21swapper/011:36:230
29022999736,8cyclictest12148-21tail10:46:260
29022999641,11cyclictest0-21swapper/009:46:060
29022999641,11cyclictest0-21swapper/009:46:060
2902299934,43cyclictest0-21swapper/008:41:520
248599930,4rtkit-daemon2484-21rtkit-daemon12:00:453
2902299923,22cyclictest0-21swapper/010:25:030
248599880,5rtkit-daemon2484-21rtkit-daemon08:47:533
248599880,4rtkit-daemon2484-21rtkit-daemon10:36:191
248599880,12rtkit-daemon2484-21rtkit-daemon08:57:301
120282880,5sleep1201ktimersoftd/109:51:511
248599870,12rtkit-daemon2484-21rtkit-daemon11:01:251
248599860,12rtkit-daemon2484-21rtkit-daemon09:35:061
248599850,4rtkit-daemon2484-21rtkit-daemon11:40:311
248599850,12rtkit-daemon2484-21rtkit-daemon07:18:423
248599840,12rtkit-daemon2484-21rtkit-daemon11:22:543
248599840,12rtkit-daemon2484-21rtkit-daemon06:31:363
248599820,9rtkit-daemon2484-21rtkit-daemon09:07:523
248599820,12rtkit-daemon2484-21rtkit-daemon08:15:473
248599810,5rtkit-daemon2484-21rtkit-daemon09:33:293
248599810,4rtkit-daemon2484-21rtkit-daemon09:03:221
248599810,4rtkit-daemon2484-21rtkit-daemon08:36:381
248599810,11rtkit-daemon2484-21rtkit-daemon08:35:543
248599810,11rtkit-daemon2484-21rtkit-daemon08:08:173
248599800,4rtkit-daemon2484-21rtkit-daemon09:03:453
248599790,5rtkit-daemon2484-21rtkit-daemon10:13:423
2902299784,13cyclictest0-21swapper/009:44:490
248599770,4rtkit-daemon2484-21rtkit-daemon11:06:103
248599740,8rtkit-daemon0-21swapper/311:41:241
248599720,6rtkit-daemon0-21swapper/309:16:290
248599720,4rtkit-daemon2484-21rtkit-daemon07:54:250
29022996940,13cyclictest0-21swapper/009:01:220
29022996939,13cyclictest0-21swapper/010:14:180
248599690,5rtkit-daemon2484-21rtkit-daemon08:23:090
248599690,5rtkit-daemon2484-21rtkit-daemon07:58:470
248599690,5rtkit-daemon2484-21rtkit-daemon07:23:260
2903099684,54cyclictest20710-21ssh09:16:233
2902999684,56cyclictest0-21swapper/210:36:222
29022996842,9cyclictest21872-21turbostat10:11:010
248599680,7rtkit-daemon0-21swapper/010:11:571
248599680,6rtkit-daemon14139-21fschecks_time09:06:221
248599680,5rtkit-daemon0-21swapper/307:44:261
248599670,6rtkit-daemon20098-21unixbench-2d07:16:421
248599670,6rtkit-daemon0-21swapper/308:08:321
248599670,5rtkit-daemon0-21swapper/306:34:581
248599670,4rtkit-daemon2484-21rtkit-daemon09:35:290
248599670,4rtkit-daemon22848-21ssh11:50:011
2902999663,56cyclictest0-21swapper/211:49:182
248599660,5rtkit-daemon0-21swapper/207:56:331
2902999654,53cyclictest0-21swapper/210:31:552
2902999654,53cyclictest0-21swapper/210:31:552
2902999653,55cyclictest0-21swapper/209:46:312
2902999653,55cyclictest0-21swapper/209:46:312
29022996538,11cyclictest1419-21runrttasks10:31:110
29022996538,11cyclictest1419-21runrttasks10:31:110
248599650,6rtkit-daemon0-21swapper/308:13:171
248599650,5rtkit-daemon27977-21strings09:26:291
29029996436,12cyclictest0-21swapper/211:44:572
248599640,7rtkit-daemon0-21swapper/009:45:281
248599640,6rtkit-daemon0-21swapper/311:54:011
248599640,6rtkit-daemon0-21swapper/311:54:011
248599640,6rtkit-daemon0-21swapper/211:34:091
248599640,6rtkit-daemon0-21swapper/209:12:521
248599640,6rtkit-daemon0-21swapper/209:12:521
248599640,5rtkit-daemon2484-21rtkit-daemon09:58:580
248599640,5rtkit-daemon0-21swapper/310:54:261
248599640,4rtkit-daemon2484-21rtkit-daemon11:41:310
2902999634,51cyclictest0-21swapper/210:16:382
2902999633,52cyclictest0-21swapper/208:36:062
29027996323,25cyclictest32413-21cpuspeed_turbos08:46:181
248599630,6rtkit-daemon0-21swapper/308:41:161
248599630,6rtkit-daemon0-21swapper/306:57:201
248599630,5rtkit-daemon2484-21rtkit-daemon11:31:240
248599630,12rtkit-daemon2484-21rtkit-daemon09:06:300
248599630,12rtkit-daemon2484-21rtkit-daemon08:57:530
2903099624,12cyclictest32277-21taskset07:42:403
2902999624,50cyclictest0-21swapper/211:26:182
2902999624,50cyclictest0-21swapper/208:51:372
2902299626,38cyclictest0-21swapper/010:16:190
29022996234,13cyclictest0-21swapper/011:21:100
248599620,8rtkit-daemon0-21swapper/008:59:532
248599620,5rtkit-daemon2484-21rtkit-daemon08:16:170
248599620,4rtkit-daemon2484-21rtkit-daemon09:23:220
248599620,11rtkit-daemon2484-21rtkit-daemon08:07:550
2903099615,49cyclictest0-21swapper/307:01:353
2903099615,49cyclictest0-21swapper/307:01:353
2903099613,52cyclictest0-21swapper/310:31:023
2903099613,52cyclictest0-21swapper/310:31:023
2902999615,49cyclictest0-21swapper/208:46:322
2902999614,50cyclictest0-21swapper/210:41:162
2902999614,50cyclictest0-21swapper/209:53:592
2902999613,53cyclictest0-21swapper/211:31:262
2902999613,51cyclictest31580-21taskset11:15:122
2902999613,51cyclictest31580-21taskset11:15:122
2902999613,51cyclictest0-21swapper/211:52:392
2902999613,51cyclictest0-21swapper/211:52:392
2902999613,50cyclictest0-21swapper/211:56:112
2902999613,50cyclictest0-21swapper/210:01:402
2902999613,50cyclictest0-21swapper/209:11:172
2902999613,50cyclictest0-21swapper/209:11:172
29029996127,14cyclictest0-21swapper/209:01:572
29022996139,10cyclictest0-21swapper/010:36:270
29022996120,26cyclictest0-21swapper/010:27:130
29022996120,26cyclictest0-21swapper/010:27:130
248599610,6rtkit-daemon0-21swapper/310:42:111
248599610,4rtkit-daemon0-21swapper/208:35:461
2903099605,48cyclictest0-21swapper/307:31:283
2903099604,48cyclictest26730-21munin-node09:26:333
2902999604,49cyclictest0-21swapper/208:11:312
2902999604,48cyclictest0-21swapper/209:06:342
2902999603,50cyclictest0-21swapper/207:26:092
2902999602,52cyclictest0-21swapper/210:46:152
29027996024,11cyclictest4195-21tail11:21:181
29027996018,26cyclictest28519-21sh12:00:561
29022996037,9cyclictest17964-21tail10:01:430
248599600,7rtkit-daemon0-21swapper/308:48:080
248599600,4rtkit-daemon25671-21ssh09:23:071
2903099595,47cyclictest0-21swapper/311:17:113
2903099594,48cyclictest18775-21ssh09:12:213
2903099594,48cyclictest18775-21ssh09:12:213
2903099594,48cyclictest0-21swapper/310:22:343
2903099594,48cyclictest0-21swapper/310:01:233
2903099594,47cyclictest0-21swapper/307:36:313
2902999594,48cyclictest0-21swapper/210:13:112
2902999593,48cyclictest0-21swapper/210:28:002
2902999593,48cyclictest0-21swapper/210:28:002
29022995942,12cyclictest0-21swapper/011:47:580
2902299593,50cyclictest13641-21sh09:56:020
248599590,8rtkit-daemon0-21swapper/009:43:362
248599590,4rtkit-daemon20492-21ssh10:58:401
6852583,47sleep0753-21df_abs07:46:240
6852583,47sleep0753-21df_abs07:46:240
2903099585,47cyclictest17242-21sh11:40:583
2903099585,46cyclictest0-21swapper/308:41:273
2903099585,45cyclictest5516-21iostat_ios09:41:253
2903099584,48cyclictest0-21swapper/310:40:593
2903099584,48cyclictest0-21swapper/309:59:273
29030995831,21cyclictest868-21sed06:36:423
2902999585,46cyclictest1313-21cut09:36:162
2902999584,47cyclictest1419-21runrttasks10:10:132
2902999584,47cyclictest0-21swapper/209:32:472
29029995832,12cyclictest0-21swapper/211:37:142
29029995831,13cyclictest0-21swapper/211:01:152
2902999583,48cyclictest0-21swapper/208:36:352
29027995835,14cyclictest1676-21nscd06:31:111
2902299588,28cyclictest0-21swapper/010:54:010
248599580,4rtkit-daemon30872-21ssh10:27:271
248599580,4rtkit-daemon30872-21ssh10:27:271
248599580,4rtkit-daemon22988-21ssh09:20:371
94792573,48sleep10-21swapper/111:28:471
2903099575,47cyclictest0-21swapper/310:17:593
2903099575,46cyclictest0-21swapper/310:10:003
2903099574,47cyclictest0-21swapper/310:47:233
2902999574,46cyclictest0-21swapper/211:17:452
2902999573,48cyclictest0-21swapper/210:56:212
2902999573,48cyclictest0-21swapper/210:23:292
29027995739,11cyclictest8536-21cut08:01:271
29027995725,14cyclictest0-21swapper/107:06:221
29022995740,11cyclictest0-21swapper/009:26:060
2902299574,14cyclictest0-21swapper/011:30:310
29022995737,15cyclictest0-21swapper/008:37:260
248599570,4rtkit-daemon906-21strings11:16:251
248599570,4rtkit-daemon2484-21rtkit-daemon11:54:080
248599570,4rtkit-daemon2484-21rtkit-daemon11:54:080
212082573,48sleep10-21swapper/110:09:221
88792563,47sleep10-21swapper/109:46:241
88792563,47sleep10-21swapper/109:46:241
2903099566,44cyclictest0-21swapper/309:49:083
2903099566,44cyclictest0-21swapper/309:49:083
2903099565,45cyclictest0-21swapper/309:55:033
2903099565,13cyclictest11338-21gltestperf11:31:193
2903099564,47cyclictest0-21swapper/311:50:313
2903099564,46cyclictest0-21swapper/311:26:153
2903099564,46cyclictest0-21swapper/310:35:293
2903099564,46cyclictest0-21swapper/310:35:293
2903099564,46cyclictest0-21swapper/309:39:013
2903099564,46cyclictest0-21swapper/308:51:313
2902999564,46cyclictest0-21swapper/210:51:442
2902999562,10cyclictest0-21swapper/209:58:142
2902799563,47cyclictest0-21swapper/110:02:381
29027995617,22cyclictest0-21swapper/110:50:141
2902299565,32cyclictest0-21swapper/011:56:040
29022995635,10cyclictest0-21swapper/010:56:240
29022995628,13cyclictest0-21swapper/010:41:140
248599560,4rtkit-daemon1419-21runrttasks07:54:552
2903099555,45cyclictest0-21swapper/310:54:133
2903099554,46cyclictest0-21swapper/311:45:063
2903099552,49cyclictest0-21swapper/311:53:583
2903099552,49cyclictest0-21swapper/311:53:583
29029995538,10cyclictest8509-21tail08:01:262
2902999553,46cyclictest0-21swapper/208:31:062
2902999553,46cyclictest0-21swapper/208:31:062
29029995528,12cyclictest0-21swapper/208:11:072
29029995527,13cyclictest0-21swapper/211:23:032
2902799555,44cyclictest0-21swapper/111:12:271
2902799555,44cyclictest0-21swapper/111:12:271
29022995533,10cyclictest0-21swapper/011:15:140
29022995533,10cyclictest0-21swapper/011:15:140
29022995526,13cyclictest0-21swapper/009:11:380
29022995526,13cyclictest0-21swapper/009:11:380
280232553,9sleep10-21swapper/111:10:131
248599550,5rtkit-daemon2484-21rtkit-daemon07:37:180
248599550,5rtkit-daemon2484-21rtkit-daemon06:41:280
248599550,4rtkit-daemon2484-21rtkit-daemon08:02:550
248599550,4rtkit-daemon2484-21rtkit-daemon07:02:500
248599550,4rtkit-daemon2484-21rtkit-daemon07:02:500
248599550,14rtkit-daemon2484-21rtkit-daemon10:20:491
2902999542,46cyclictest0-21swapper/211:09:492
2902799545,31cyclictest0-21swapper/110:31:551
2902799545,31cyclictest0-21swapper/110:31:551
29027995412,23cyclictest1247-21lldpd09:58:181
29022995427,12cyclictest0-21swapper/009:39:030
248599540,5rtkit-daemon2484-21rtkit-daemon08:35:090
248599540,5rtkit-daemon2484-21rtkit-daemon07:35:030
248599540,5rtkit-daemon2484-21rtkit-daemon07:13:190
248599540,5rtkit-daemon2484-21rtkit-daemon07:01:050
248599540,5rtkit-daemon2484-21rtkit-daemon06:37:280
248599540,4rtkit-daemon19648-21strings07:16:342
214702542,45sleep00-21swapper/008:27:270
214702542,45sleep00-21swapper/008:27:270
290312533,44sleep10-21swapper/110:23:171
2902999534,7cyclictest25069-21ssh09:21:352
2902799534,30cyclictest0-21swapper/108:56:041
29027995320,14cyclictest0-21swapper/106:56:091
2902299534,29cyclictest0-21swapper/006:36:110
248599530,5rtkit-daemon2484-21rtkit-daemon08:53:150
248599530,5rtkit-daemon2484-21rtkit-daemon07:44:560
248599530,5rtkit-daemon2484-21rtkit-daemon07:16:120
248599530,5rtkit-daemon0-21swapper/210:41:343
248599530,4rtkit-daemon2484-21rtkit-daemon11:09:100
248599530,4rtkit-daemon2484-21rtkit-daemon07:30:260
248599530,4rtkit-daemon2484-21rtkit-daemon07:09:420
248599530,4rtkit-daemon2484-21rtkit-daemon06:53:130
248599530,4rtkit-daemon2484-21rtkit-daemon06:47:280
14122534,12sleep10-21swapper/107:46:331
14122534,12sleep10-21swapper/107:46:331
2903099525,30cyclictest0-21swapper/308:21:243
2903099524,13cyclictest30668-21yum-updatesd-he11:12:323
2903099524,13cyclictest30668-21yum-updatesd-he11:12:323
29030995213,24cyclictest7307-21gltestperf06:51:273
29029995222,12cyclictest0-21swapper/206:51:102
29027995220,25cyclictest11397-21tail07:01:211
29027995220,25cyclictest11397-21tail07:01:211
29027995220,12cyclictest2475-21ps09:36:311
29027995210,11cyclictest20046-21grep08:26:211
29027995210,11cyclictest20046-21grep08:26:211
285762523,42sleep10-21swapper/107:36:251
86752512,9sleep30-21swapper/308:01:303
2903099515,28cyclictest0-21swapper/308:26:183
2903099515,28cyclictest0-21swapper/308:26:183
2903099514,11cyclictest0-21swapper/308:36:263
29030995122,10cyclictest21938-21df11:01:143
2902999513,8cyclictest25392-21basename07:31:082
2902999513,7cyclictest1287-21snmpd09:20:202
2902999512,43cyclictest0-21swapper/207:01:102
2902999512,11cyclictest0-21swapper/208:21:372
2902799515,28cyclictest0-21swapper/107:26:351
2902799515,28cyclictest0-21swapper/107:12:341
179932512,9sleep30-21swapper/307:13:263
61262502,9sleep30-21swapper/306:49:243
50152503,9sleep10-21swapper/107:55:561
2903099504,29cyclictest0-21swapper/309:24:333
2903099504,29cyclictest0-21swapper/308:16:323
2903099504,28cyclictest0-21swapper/306:56:353
2903099503,39cyclictest1743-21munin-node06:41:223
2902999503,41cyclictest0-21swapper/209:26:342
2902999502,12cyclictest0-21swapper/206:31:442
2902999502,11cyclictest0-21swapper/207:06:412
2902799504,26cyclictest0-21swapper/106:45:461
29027995034,10cyclictest32495-21gltestperf06:36:281
2902299504,28cyclictest0-21swapper/008:11:260
13202502,40sleep20-21swapper/206:40:442
29030994919,13cyclictest0-21swapper/310:56:053
29029994930,7cyclictest26600-21kworker/2:206:55:012
2902999493,39cyclictest0-21swapper/207:56:232
2902999492,41cyclictest0-21swapper/208:16:182
2903099484,26cyclictest0-21swapper/307:56:183
2903099483,24cyclictest0-21swapper/307:46:213
2903099483,24cyclictest0-21swapper/307:46:213
29030994821,11cyclictest0-21swapper/308:56:293
2902999487,6cyclictest0-21swapper/207:41:192
2902799484,27cyclictest0-21swapper/108:26:071
24672482,9sleep20-21swapper/207:49:202
24672482,9sleep20-21swapper/207:49:202
168182483,39sleep10-21swapper/108:19:141
2903099473,26cyclictest0-21swapper/307:51:183
29030994718,12cyclictest0-21swapper/307:25:053
2902999473,11cyclictest0-21swapper/207:31:392
29029994725,10cyclictest0-21swapper/207:05:022
29029994725,10cyclictest0-21swapper/207:05:022
2902999472,12cyclictest0-21swapper/206:41:222
2902799473,23cyclictest0-21swapper/107:35:291
2903099464,25cyclictest0-21swapper/307:10:033
2902799465,25cyclictest0-21swapper/106:50:001
2903099454,25cyclictest0-21swapper/307:26:213
2903099454,25cyclictest0-21swapper/306:31:113
2902999452,39cyclictest0-21swapper/207:15:342
29027994516,12cyclictest0-21swapper/107:26:091
2902999443,36cyclictest0-21swapper/207:36:362
289562434,32sleep20-21swapper/206:30:452
2902299334,23cyclictest0-21swapper/006:31:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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