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2026-04-23 - 06:51

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 Thu Apr 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19747991014,27cyclictest0-21swapper/018:17:050
19747991014,27cyclictest0-21swapper/018:17:050
19747999922,11cyclictest121850irq/46-eth021:16:580
19747999921,13cyclictest0-21swapper/021:52:090
248599980,4rtkit-daemon2484-21rtkit-daemon18:47:301
248599970,6rtkit-daemon0-21swapper/321:51:081
1974799959,25cyclictest0-21swapper/022:27:280
1974799954,28cyclictest0-21swapper/020:57:240
1974799954,28cyclictest0-21swapper/019:57:130
1974799954,27cyclictest0-21swapper/019:35:070
1974799954,27cyclictest0-21swapper/019:12:230
1974799954,26cyclictest0-21swapper/021:51:580
1974799954,26cyclictest0-21swapper/020:42:160
19747999523,10cyclictest30574-21netstat21:07:240
19747999521,15cyclictest0-21swapper/017:42:010
1974799945,28cyclictest10782-21yum-updatesd-he19:52:130
1974799944,27cyclictest0-21swapper/022:05:080
1974799944,26cyclictest0-21swapper/021:32:160
19747999421,13cyclictest0-21swapper/020:07:290
1974799936,13cyclictest13792-21kernelversion19:07:270
1974799935,26cyclictest0-21swapper/020:02:480
1974799934,27cyclictest0-21swapper/019:02:330
1974799934,26cyclictest0-21swapper/022:07:280
1974799934,26cyclictest0-21swapper/020:17:050
1974799934,26cyclictest0-21swapper/019:22:240
1974799933,27cyclictest4125-21cstates21:17:130
248599920,4rtkit-daemon2484-21rtkit-daemon21:52:231
1974799925,28cyclictest0-21swapper/021:57:090
1974799925,25cyclictest0-21swapper/022:36:170
1974799924,28cyclictest0-21swapper/019:46:570
1974799924,26cyclictest0-21swapper/021:22:300
1974799924,26cyclictest0-21swapper/020:33:350
248599910,5rtkit-daemon2484-21rtkit-daemon19:38:581
248599910,5rtkit-daemon2484-21rtkit-daemon19:38:581
248599910,4rtkit-daemon2484-21rtkit-daemon20:17:042
1974799914,28cyclictest0-21swapper/019:47:240
1974799914,14cyclictest0-21swapper/020:22:190
1974799913,27cyclictest0-21swapper/022:12:120
1974799913,27cyclictest0-21swapper/022:12:120
1974799913,27cyclictest0-21swapper/021:37:550
19747999125,56cyclictest0-21swapper/020:27:360
248599900,4rtkit-daemon2484-21rtkit-daemon19:21:441
1974799905,25cyclictest0-21swapper/021:28:450
1974799904,25cyclictest27427-21python21:02:300
1974799904,17cyclictest1810-21hwlatdetect19:37:230
1974799904,17cyclictest1810-21hwlatdetect19:37:230
83632890,6sleep18364-21netstat21:22:241
1974799894,77cyclictest0-21swapper/018:17:330
1974799894,27cyclictest0-21swapper/019:27:150
1974799894,27cyclictest0-21swapper/017:52:350
1974799894,25cyclictest0-21swapper/022:22:070
1974799885,75cyclictest0-21swapper/020:54:210
1974799885,75cyclictest0-21swapper/020:54:210
1974799885,25cyclictest0-21swapper/021:45:080
1974799884,24cyclictest0-21swapper/019:17:340
19747998820,12cyclictest0-21swapper/020:51:370
19747998820,12cyclictest0-21swapper/020:51:370
248599870,4rtkit-daemon2484-21rtkit-daemon22:06:301
1974799874,73cyclictest0-21swapper/017:22:360
1974799874,26cyclictest0-21swapper/017:28:530
1974799868,71cyclictest0-21swapper/022:17:100
1974799865,26cyclictest0-21swapper/017:07:330
1974799864,27cyclictest0-21swapper/017:32:270
248599850,4rtkit-daemon2484-21rtkit-daemon20:45:031
1974799854,26cyclictest0-21swapper/018:53:210
1974799854,25cyclictest0-21swapper/020:37:500
248599840,5rtkit-daemon2484-21rtkit-daemon22:24:291
248599840,4rtkit-daemon2484-21rtkit-daemon22:28:441
1974799844,21cyclictest27066-21ssh20:15:000
1974799844,21cyclictest27066-21ssh20:15:000
248599830,5rtkit-daemon2484-21rtkit-daemon19:02:221
19747998325,9cyclictest8682-21fschecks_time18:57:230
19747998325,9cyclictest8682-21fschecks_time18:57:230
19747998313,12cyclictest0-21swapper/018:27:260
1974799824,27cyclictest0-21swapper/018:37:390
1974799824,26cyclictest0-21swapper/018:08:590
19747998225,8cyclictest3753-21fschecks_count18:47:200
19747998224,11cyclictest12298-21fschecks_time17:57:260
248599810,4rtkit-daemon2484-21rtkit-daemon17:52:252
19747998115,12cyclictest0-21swapper/018:03:260
19747998113,11cyclictest0-21swapper/017:18:510
248599800,4rtkit-daemon2484-21rtkit-daemon20:10:421
1974799803,12cyclictest1419-21runrttasks18:22:220
19747998010,17cyclictest0-21swapper/017:12:410
1974799794,24cyclictest0-21swapper/018:32:170
19747997923,48cyclictest0-21swapper/017:42:120
19747997916,16cyclictest7517-21cut17:47:250
1974799784,15cyclictest0-21swapper/018:42:370
248599750,6rtkit-daemon34-21rcuc/321:04:552
248599680,7rtkit-daemon0-21swapper/318:33:312
223562683,57sleep20-21swapper/219:20:392
248599670,6rtkit-daemon0-21swapper/321:00:552
248599670,5rtkit-daemon0-21swapper/321:07:322
248599670,4rtkit-daemon2484-21rtkit-daemon19:52:131
248599660,8rtkit-daemon0-21swapper/221:08:471
248599660,4rtkit-daemon2484-21rtkit-daemon19:49:501
248599650,5rtkit-daemon5300-21yum-updatesd-he18:52:151
19750996529,13cyclictest14967-21iostat18:02:283
248599640,6rtkit-daemon2484-21rtkit-daemon19:27:211
248599640,6rtkit-daemon0-21swapper/318:37:162
248599640,6rtkit-daemon0-21swapper/218:27:393
248599640,6rtkit-daemon0-21swapper/217:52:553
248599640,5rtkit-daemon2484-21rtkit-daemon21:31:021
248599640,5rtkit-daemon2484-21rtkit-daemon17:12:341
1974999648,13cyclictest0-21swapper/220:52:152
1974999648,13cyclictest0-21swapper/220:52:152
248599630,5rtkit-daemon0-21swapper/221:02:333
248599630,5rtkit-daemon0-21swapper/220:59:183
248599630,4rtkit-daemon2484-21rtkit-daemon20:49:561
248599630,4rtkit-daemon2484-21rtkit-daemon20:49:561
1974999633,20cyclictest0-21swapper/220:27:172
248599620,5rtkit-daemon2484-21rtkit-daemon21:44:081
248599620,5rtkit-daemon0-21swapper/221:50:533
24102623,50sleep20-21swapper/219:37:332
24102623,50sleep20-21swapper/219:37:332
19750996117,27cyclictest10466-21munin-node21:27:293
1974999613,51cyclictest0-21swapper/221:52:132
73832603,11sleep10-21swapper/122:08:411
248599600,7rtkit-daemon0-21swapper/020:32:411
248599600,7rtkit-daemon0-21swapper/018:07:321
19750996019,34cyclictest20243-21kernelversion20:52:233
19750996019,34cyclictest20243-21kernelversion20:52:233
141142600,5sleep114112-21ssh21:32:111
248599590,8rtkit-daemon0-21swapper/020:04:121
248599590,5rtkit-daemon977-21ntpd22:12:221
248599590,5rtkit-daemon977-21ntpd22:12:221
1974899597,39cyclictest0-21swapper/117:52:151
1975099584,13cyclictest0-21swapper/322:32:183
145182583,14sleep10-21swapper/118:02:231
63282573,11sleep10-21swapper/121:20:111
248599570,5rtkit-daemon0-21swapper/318:37:311
248599570,4rtkit-daemon20927-21if_err_eth017:07:271
19750995726,24cyclictest28389-21df_abs20:17:153
19749995711,38cyclictest0-21swapper/219:12:382
92082563,12sleep10-21swapper/118:57:331
92082563,12sleep10-21swapper/118:57:331
248599560,4rtkit-daemon1528-21ssh20:25:341
248599560,3rtkit-daemon15248-21ssh19:10:001
1974999562,47cyclictest0-21swapper/219:22:282
133752562,10sleep30-21swapper/319:54:103
248599550,5rtkit-daemon2484-21rtkit-daemon19:34:061
248599550,4rtkit-daemon2484-21rtkit-daemon20:21:421
248599550,4rtkit-daemon10667-21cat20:37:341
1975099554,22cyclictest0-21swapper/322:12:173
1975099554,22cyclictest0-21swapper/322:12:173
1975099554,13cyclictest16286-21unixbench_singl19:57:363
1975099554,13cyclictest0-21swapper/319:07:213
19750995515,33cyclictest18081-21awk20:02:143
19748995539,10cyclictest1104-21gltestperf21:12:181
65322543,11sleep10-21swapper/117:47:071
235642542,46sleep30-21swapper/321:46:293
1975099545,13cyclictest0-21swapper/319:22:353
19750995436,13cyclictest0-21swapper/321:07:193
1975099543,44cyclictest19678-21aten_r1power_po19:17:133
19750995424,11cyclictest4150-21unixbench_singl20:27:343
1974999544,42cyclictest14478-21basename19:57:132
19749995436,11cyclictest10837-21grep20:37:352
43232532,10sleep20-21swapper/222:04:512
249992534,11sleep10-21swapper/120:59:391
248599530,5rtkit-daemon2484-21rtkit-daemon22:17:221
248599530,4rtkit-daemon2484-21rtkit-daemon21:37:011
248599530,4rtkit-daemon2484-21rtkit-daemon19:23:141
248599530,4rtkit-daemon2484-21rtkit-daemon18:12:171
248599530,4rtkit-daemon2484-21rtkit-daemon18:12:171
1975099534,33cyclictest0-21swapper/322:09:013
1975099534,12cyclictest0-21swapper/320:48:283
1975099534,12cyclictest0-21swapper/320:48:283
1975099534,11cyclictest102852sleep319:50:103
19749995335,11cyclictest24359-21grep18:22:242
1974999533,44cyclictest0-21swapper/220:09:152
1974999533,43cyclictest11662-21diskstats19:52:192
19749995324,12cyclictest0-21swapper/221:32:272
164142533,44sleep30-21swapper/321:35:013
147522532,10sleep30-21swapper/320:44:133
62262523,10sleep20-21swapper/217:43:092
56732523,12sleep30-21swapper/320:32:083
289802523,42sleep10-21swapper/117:23:171
248599520,5rtkit-daemon2484-21rtkit-daemon20:01:431
248599520,5rtkit-daemon2484-21rtkit-daemon19:45:581
248599520,4rtkit-daemon2484-21rtkit-daemon20:15:041
248599520,4rtkit-daemon2484-21rtkit-daemon20:15:041
248599520,4rtkit-daemon2484-21rtkit-daemon19:12:141
248599520,4rtkit-daemon2484-21rtkit-daemon18:42:161
248599520,4rtkit-daemon2484-21rtkit-daemon18:01:551
248599520,4rtkit-daemon2484-21rtkit-daemon17:37:261
1975099525,28cyclictest0-21swapper/319:32:343
1975099525,28cyclictest0-21swapper/318:12:253
1975099525,28cyclictest0-21swapper/318:12:253
1975099524,12cyclictest0-21swapper/322:21:513
1975099524,12cyclictest0-21swapper/320:26:533
1975099524,12cyclictest0-21swapper/319:28:203
19750995222,12cyclictest0-21swapper/321:22:223
19750995220,13cyclictest0-21swapper/317:37:383
1974999524,14cyclictest0-21swapper/221:46:432
19749995233,13cyclictest0-21swapper/222:07:312
1974999523,43cyclictest0-21swapper/219:47:352
1974999523,42cyclictest0-21swapper/219:42:162
1974999523,41cyclictest0-21swapper/219:07:282
19749995229,8cyclictest18352-21ssh21:37:222
1974899524,42cyclictest0-21swapper/121:03:321
1974899523,28cyclictest19169-21munin-node20:52:181
1974899523,28cyclictest19169-21munin-node20:52:181
19748995223,13cyclictest0-21swapper/120:27:201
78972512,9sleep20-21swapper/221:22:182
314892514,11sleep10-21swapper/117:29:541
287302513,41sleep30-21swapper/321:52:263
270382512,10sleep20-21swapper/221:51:492
248599510,4rtkit-daemon2484-21rtkit-daemon22:32:141
248599510,4rtkit-daemon2484-21rtkit-daemon17:34:031
248599510,4rtkit-daemon2484-21rtkit-daemon17:19:041
1975099519,25cyclictest0-21swapper/320:07:183
1975099514,25cyclictest0-21swapper/318:17:173
1975099514,12cyclictest0-21swapper/321:59:573
1975099514,12cyclictest0-21swapper/320:37:283
1975099514,11cyclictest0-21swapper/319:15:023
1975099513,12cyclictest0-21swapper/319:38:073
1975099513,12cyclictest0-21swapper/319:38:073
19750995121,13cyclictest0-21swapper/317:32:293
19750995117,27cyclictest20025-21open_inodes22:27:243
1974999514,38cyclictest0-21swapper/222:22:182
19749995134,10cyclictest2806-21gltestperf17:37:262
1974999513,41cyclictest0-21swapper/222:12:082
1974999513,41cyclictest0-21swapper/222:12:082
1974999513,40cyclictest0-21swapper/220:22:152
19749995129,9cyclictest19965-21munin-node17:07:222
124532512,10sleep20-21swapper/221:27:582
59162503,39sleep20-21swapper/220:32:152
1975099505,27cyclictest0-21swapper/320:13:453
1975099505,27cyclictest0-21swapper/320:13:453
1975099504,28cyclictest0-21swapper/318:37:193
1975099504,13cyclictest0-21swapper/321:40:573
1974999505,39cyclictest0-21swapper/220:52:002
1974999505,39cyclictest0-21swapper/220:52:002
1974999504,40cyclictest0-21swapper/220:02:152
19749995027,9cyclictest24530-21munin-node20:12:342
19749995027,9cyclictest24530-21munin-node20:12:342
19749995021,13cyclictest0-21swapper/218:52:292
65532492,10sleep30-21swapper/318:52:273
1975099495,38cyclictest0-21swapper/321:18:383
1975099495,37cyclictest0-21swapper/322:22:133
1975099495,28cyclictest0-21swapper/319:02:273
1975099495,26cyclictest0-21swapper/318:07:383
1975099494,27cyclictest0-21swapper/319:42:383
1975099494,27cyclictest0-21swapper/318:47:203
19750994918,12cyclictest0-21swapper/322:02:083
1974999494,38cyclictest0-21swapper/219:27:262
19749994934,9cyclictest30219-21fschecks_time17:27:262
1974999493,39cyclictest0-21swapper/221:58:482
1974899494,28cyclictest0-21swapper/118:27:271
1974899494,28cyclictest0-21swapper/118:17:221
1975099489,18cyclictest32729-21aten_r1power_fr21:12:103
1975099485,26cyclictest0-21swapper/318:24:013
19750994820,12cyclictest0-21swapper/317:59:113
19749994832,9cyclictest13976-21head18:02:172
19749994832,10cyclictest16682-21cpuspeed_turbos18:07:202
19749994832,10cyclictest13083-21ssh22:17:212
1974999483,26cyclictest0-21swapper/218:42:152
19749994827,8cyclictest27130-21munin-node17:22:332
19749994827,8cyclictest11548-21munin-node17:57:402
19749994820,12cyclictest0-21swapper/221:18:122
1974899484,27cyclictest0-21swapper/118:32:181
19748994830,12cyclictest0-21swapper/121:57:141
1975099474,26cyclictest0-21swapper/318:44:053
1975099474,25cyclictest29517-21munin-node17:27:423
19750994731,9cyclictest27499-21tr17:22:223
19750994728,12cyclictest8465-21grep17:47:403
1974999474,13cyclictest0-21swapper/220:42:172
1974999473,38cyclictest0-21swapper/222:27:242
19749994727,7cyclictest32030-21ssh19:33:312
19749994726,8cyclictest7929-21munin-node18:57:292
19749994726,8cyclictest7929-21munin-node18:57:292
19749994723,10cyclictest19430-21tune2fs18:12:232
19749994723,10cyclictest19430-21tune2fs18:12:232
19749994719,11cyclictest0-21swapper/222:36:312
266702462,10sleep20-21swapper/217:19:152
230222463,37sleep20-21swapper/218:18:522
1975099464,25cyclictest0-21swapper/318:57:363
1975099464,25cyclictest0-21swapper/318:57:363
1975099464,23cyclictest29292-21iostat18:32:273
19750994615,12cyclictest0-21swapper/317:13:503
19749994631,9cyclictest32054-21aten_r1power_vo17:32:202
1974999463,36cyclictest0-21swapper/217:52:072
1974899463,28cyclictest0-21swapper/118:22:201
88862453,36sleep10-21swapper/117:51:431
279062452,38sleep20-21swapper/218:30:212
268302452,37sleep30-21swapper/317:21:223
19750994519,8cyclictest6544-21latency_hist17:47:083
19749994532,8cyclictest560-21tr21:12:132
1975099444,13cyclictest0-21swapper/317:07:193
19749994418,12cyclictest0-21swapper/217:12:342
31462432,34sleep20-21swapper/218:47:102
19749994321,8cyclictest10328-21munin-node19:02:272
19749994225,12cyclictest0-21swapper/217:07:082
1882124010,18sleep00-21swapper/017:02:300
1974899382,23cyclictest0-21swapper/117:07:091
19750993621,11cyclictest0-21swapper/317:07:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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