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2026-08-15 - 06:36

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 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
470799964,84cyclictest0-21swapper/122:36:311
470799946,79cyclictest0-21swapper/117:56:401
470799934,68cyclictest0-21swapper/123:16:591
470999924,9cyclictest107550irq/46-eth021:07:483
470899924,40cyclictest0-21swapper/223:01:412
470899924,40cyclictest0-21swapper/223:01:412
4708999236,9cyclictest29788-21df_abs23:11:442
470799924,80cyclictest0-21swapper/120:48:211
4709999132,44cyclictest0-21swapper/322:02:173
470899914,40cyclictest0-21swapper/220:52:032
470899913,43cyclictest0-21swapper/220:31:482
4708999113,29cyclictest0-21swapper/222:36:582
470799916,68cyclictest0-21swapper/121:50:281
470799914,80cyclictest0-21swapper/123:22:091
470799914,79cyclictest0-21swapper/120:54:031
470799914,71cyclictest0-21swapper/121:16:471
470799914,67cyclictest0-21swapper/120:41:371
4709999036,48cyclictest20362-21gltestperf22:56:463
470799905,78cyclictest0-21swapper/121:58:281
470799903,60cyclictest15107-21fw_packets20:21:551
470799903,60cyclictest15107-21fw_packets20:21:551
470999894,32cyclictest26492-21df23:06:433
470899895,26cyclictest0-21swapper/222:34:022
4708998937,9cyclictest12385-21aten2.4-expect21:56:422
470799895,76cyclictest0-21swapper/121:06:511
470799894,64cyclictest0-21swapper/120:08:321
470799893,62cyclictest16844-21netstat22:01:551
4709998836,45cyclictest1227-21runrttasks20:16:493
4708998835,9cyclictest14720-21unixbench_singl22:47:042
470899883,43cyclictest0-21swapper/220:12:052
470799886,63cyclictest0-21swapper/122:28:541
470799886,63cyclictest0-21swapper/122:28:541
470799885,52cyclictest0-21swapper/121:41:411
470799885,52cyclictest0-21swapper/121:41:411
470799884,77cyclictest0-21swapper/122:14:371
470799884,52cyclictest0-21swapper/121:36:441
470799883,77cyclictest0-21swapper/121:25:261
470799883,62cyclictest17220-21if_eth022:51:501
4707998815,50cyclictest0-21swapper/120:26:551
4709998731,8cyclictest6626-21tr22:36:433
470999873,35cyclictest0-21swapper/321:21:463
4709998716,19cyclictest0-21swapper/320:56:483
470899874,41cyclictest0-21swapper/220:36:492
4708998736,9cyclictest27449-21munin-node20:41:462
470799874,76cyclictest0-21swapper/118:20:131
470799874,76cyclictest0-21swapper/118:20:131
470799874,62cyclictest0-21swapper/122:40:341
470799873,61cyclictest0-21swapper/122:17:031
470899864,43cyclictest0-21swapper/221:46:322
470899864,43cyclictest0-21swapper/221:46:322
470899864,39cyclictest0-21swapper/221:51:562
4708998617,32cyclictest0-21swapper/218:47:032
470799868,54cyclictest107550irq/46-eth022:44:321
470799865,74cyclictest0-21swapper/122:09:281
470799864,9cyclictest1227-21runrttasks18:56:581
470799864,75cyclictest0-21swapper/122:21:521
470799864,65cyclictest0-21swapper/121:55:391
470799864,65cyclictest0-21swapper/119:16:391
470799864,63cyclictest0-21swapper/120:01:491
470799863,61cyclictest0-21swapper/121:26:451
4707998617,50cyclictest17696-21kworker/1:020:32:091
470999853,34cyclictest0-21swapper/322:51:473
4708998538,11cyclictest0-21swapper/221:37:192
470799856,72cyclictest0-21swapper/123:14:271
470799853,8cyclictest9730-21processes21:02:021
470799853,8cyclictest9730-21processes21:02:021
470799853,8cyclictest22899-21aten2.4-expect23:01:401
470799853,8cyclictest22899-21aten2.4-expect23:01:401
470999849,34cyclictest0-21swapper/320:54:023
4709998426,11cyclictest0-21swapper/321:31:453
470799844,64cyclictest0-21swapper/122:56:451
470799844,56cyclictest0-21swapper/120:36:551
470799843,65cyclictest0-21swapper/119:41:471
470799843,65cyclictest0-21swapper/119:41:471
470799843,58cyclictest15137-21ssh21:11:471
4707998413,64cyclictest18949-21cat19:31:571
4707998412,50cyclictest0-21swapper/121:31:441
470999833,11cyclictest0-21swapper/321:12:043
4709998327,9cyclictest15628-21open_files20:22:033
4709998327,9cyclictest15628-21open_files20:22:033
4709998324,9cyclictest26326-21switchtime21:27:033
4709998316,11cyclictest0-21swapper/321:17:073
470899836,37cyclictest0-21swapper/220:06:472
4708998337,9cyclictest23900-21kworker/2:021:07:002
4708998337,12cyclictest0-21swapper/220:21:552
4708998337,12cyclictest0-21swapper/220:21:552
470799837,68cyclictest0-21swapper/122:46:591
470799833,8cyclictest9573-21sh20:12:111
470799833,50cyclictest0-21swapper/120:19:471
470799832,64cyclictest7373-21ssh20:58:571
4707998311,54cyclictest0-21swapper/123:08:081
470999823,35cyclictest0-21swapper/322:21:523
470799824,9cyclictest7092-21iostat_ios19:06:591
470799824,47cyclictest0-21swapper/117:56:561
470799823,9cyclictest31250-21munin-node19:57:021
4709998129,12cyclictest0-21swapper/322:31:093
4709998129,12cyclictest0-21swapper/322:31:093
470899814,39cyclictest0-21swapper/222:26:412
470899814,39cyclictest0-21swapper/222:26:412
470799814,66cyclictest0-21swapper/119:27:111
470799814,58cyclictest0-21swapper/118:27:031
470799813,71cyclictest0-21swapper/119:46:511
470999803,32cyclictest0-21swapper/319:46:563
470999803,12cyclictest13419-21runrttasks21:56:543
4709998022,13cyclictest0-21swapper/321:01:443
4709998022,13cyclictest0-21swapper/321:01:443
4708998036,10cyclictest0-21swapper/223:23:212
470999793,9cyclictest10471-21python21:52:023
470999793,37cyclictest0-21swapper/319:46:373
470999793,37cyclictest0-21swapper/319:46:373
470999793,36cyclictest31344-21munin-node21:36:453
4709997929,8cyclictest5224-21cpuspeed_turbos17:56:583
4708997940,11cyclictest0-21swapper/221:28:042
4708997938,10cyclictest0-21swapper/223:10:542
470799794,67cyclictest0-21swapper/118:50:161
470799793,58cyclictest0-21swapper/118:03:331
4709997827,9cyclictest22501-21gltestperf18:31:553
470899785,27cyclictest0-21swapper/221:01:512
470899785,27cyclictest0-21swapper/221:01:512
470899784,40cyclictest0-21swapper/222:22:102
4708997838,10cyclictest0-21swapper/222:05:492
470799784,67cyclictest0-21swapper/118:12:001
470799784,65cyclictest0-21swapper/119:02:011
470799784,65cyclictest0-21swapper/119:02:011
470799784,56cyclictest0-21swapper/119:16:491
470799774,62cyclictest0-21swapper/119:21:521
470799774,56cyclictest0-21swapper/118:07:141
470799774,51cyclictest0-21swapper/119:37:011
470799773,9cyclictest26969-21df_inode18:41:541
470799773,8cyclictest32190-21interrupts18:52:001
470799773,58cyclictest0-21swapper/119:51:571
470999764,32cyclictest0-21swapper/323:01:453
470999764,32cyclictest0-21swapper/323:01:453
470999763,35cyclictest0-21swapper/319:26:493
4709997629,9cyclictest0-21swapper/319:58:223
4709997625,9cyclictest1084-21lldpd21:46:473
4707997610,50cyclictest0-21swapper/118:21:581
4709997533,10cyclictest0-21swapper/320:33:033
4709997529,9cyclictest13546-21tr19:21:533
4709997522,11cyclictest0-21swapper/320:36:583
470799756,10cyclictest107550irq/46-eth018:32:011
4709997432,10cyclictest0-21swapper/320:04:243
4709997430,9cyclictest31706-21ls20:46:553
4709997420,20cyclictest0-21swapper/322:08:173
470999733,34cyclictest27448-21munin-node20:41:463
4709997328,9cyclictest0-21swapper/323:16:003
4709997325,11cyclictest0-21swapper/323:16:423
243292730,3sleep015-21rcuc/021:25:540
470899724,25cyclictest0-21swapper/223:18:122
4708997235,10cyclictest0-21swapper/222:07:582
4708997235,10cyclictest0-21swapper/218:56:502
470799724,60cyclictest0-21swapper/118:37:031
4709997032,10cyclictest0-21swapper/321:43:313
4709997032,10cyclictest0-21swapper/321:43:313
470899704,27cyclictest23796-21ssh22:12:022
470999693,17cyclictest0-21swapper/318:52:583
4709996924,10cyclictest14522-21ls22:47:023
470599685,55cyclictest0-21swapper/023:06:500
4709996729,9cyclictest0-21swapper/322:19:103
219499670,6rtkit-daemon2193-21rtkit-daemon20:26:563
4709996629,9cyclictest0-21swapper/323:26:193
4709996626,10cyclictest0-21swapper/319:52:053
219499640,5rtkit-daemon2193-21rtkit-daemon20:53:170
470599635,13cyclictest0-21swapper/021:26:520
68522605,45sleep00-21swapper/022:36:460
470599605,35cyclictest0-21swapper/019:56:570
470599605,28cyclictest0-21swapper/021:11:440
470599605,12cyclictest0-21swapper/021:07:000
4705996021,23cyclictest4277-21munin-node20:06:570
54682592,12sleep00-21swapper/022:34:200
470899594,27cyclictest0-21swapper/222:16:582
4705995925,15cyclictest0-21swapper/021:45:250
4705995925,15cyclictest0-21swapper/021:45:250
242232595,12sleep00-21swapper/019:42:080
242232595,12sleep00-21swapper/019:42:080
4708995842,11cyclictest0-21swapper/222:45:052
470899583,46cyclictest0-21swapper/220:16:442
4708995815,36cyclictest281ktimersoftd/221:33:202
470599585,37cyclictest0-21swapper/023:05:130
470599585,37cyclictest0-21swapper/023:05:130
470599585,34cyclictest0-21swapper/019:01:490
470599585,34cyclictest0-21swapper/019:01:490
470599584,13cyclictest0-21swapper/022:09:250
4705995839,12cyclictest18962-21chrt21:16:510
246842583,49sleep00-21swapper/022:14:410
470899570,10cyclictest28564-21kworker/1:118:46:382
470599575,32cyclictest0-21swapper/018:57:120
470599574,12cyclictest0-21swapper/021:47:480
470599574,12cyclictest0-21swapper/020:35:550
120812573,14sleep00-21swapper/018:11:510
4708995640,11cyclictest0-21swapper/221:00:422
470899564,45cyclictest21484-21munin-node21:21:552
470899564,45cyclictest0-21swapper/222:56:452
470899564,45cyclictest0-21swapper/222:51:422
470599568,30cyclictest0-21swapper/022:56:390
470599566,16cyclictest0-21swapper/020:44:200
470599565,32cyclictest0-21swapper/023:21:430
470599565,15cyclictest0-21swapper/021:00:410
470599564,13cyclictest0-21swapper/020:22:390
470599564,13cyclictest0-21swapper/020:22:390
470599564,10cyclictest2215-21gdm-simple-gree22:17:290
26132568,38sleep30-21swapper/317:51:533
219499560,5rtkit-daemon2193-21rtkit-daemon19:38:133
4708995541,10cyclictest0-21swapper/220:29:592
4708995539,11cyclictest0-21swapper/221:49:322
4708995539,11cyclictest0-21swapper/221:17:302
4708995539,11cyclictest0-21swapper/219:59:032
470599559,27cyclictest0-21swapper/021:57:100
470599555,32cyclictest0-21swapper/019:32:050
470599555,32cyclictest0-21swapper/019:16:570
470599555,28cyclictest30832-21python23:12:000
470599555,27cyclictest1227-21runrttasks18:19:060
470599555,27cyclictest1227-21runrttasks18:19:060
470599555,12cyclictest0-21swapper/020:37:580
470599554,33cyclictest0-21swapper/020:26:520
470599554,13cyclictest0-21swapper/023:18:070
470599553,44cyclictest0-21swapper/021:37:030
470599553,29cyclictest0-21swapper/022:25:540
4705995523,27cyclictest0-21swapper/018:24:210
4705995521,16cyclictest0-21swapper/020:20:020
4705995520,17cyclictest0-21swapper/020:13:160
4705995520,16cyclictest0-21swapper/018:42:000
470999544,42cyclictest0-21swapper/320:06:463
470599545,29cyclictest0-21swapper/022:46:460
470599545,29cyclictest0-21swapper/022:26:590
470599545,29cyclictest0-21swapper/022:26:590
470599545,29cyclictest0-21swapper/017:57:200
470599544,32cyclictest0-21swapper/022:41:520
470599544,32cyclictest0-21swapper/019:52:070
470599544,14cyclictest0-21swapper/021:32:330
4705995411,24cyclictest31289-21ssh20:46:510
219499540,5rtkit-daemon2193-21rtkit-daemon19:11:593
219499540,5rtkit-daemon2193-21rtkit-daemon19:01:523
219499540,5rtkit-daemon2193-21rtkit-daemon19:01:523
104502542,11sleep00-21swapper/021:03:100
104502542,11sleep00-21swapper/021:03:100
4708995337,11cyclictest0-21swapper/220:04:432
470599535,29cyclictest0-21swapper/018:07:100
470599535,28cyclictest0-21swapper/022:02:490
470599534,30cyclictest0-21swapper/019:12:080
470599534,30cyclictest0-21swapper/019:08:310
470599534,29cyclictest0-21swapper/018:46:560
470599534,28cyclictest0-21swapper/022:51:560
4705995319,15cyclictest0-21swapper/020:01:570
141302532,11sleep00-21swapper/019:22:010
470899526,28cyclictest0-21swapper/219:02:072
470899526,28cyclictest0-21swapper/219:02:072
4708995237,10cyclictest0-21swapper/221:15:122
470599525,28cyclictest0-21swapper/018:52:070
470599524,29cyclictest0-21swapper/019:47:080
470599524,27cyclictest0-21swapper/018:31:480
4705995220,14cyclictest0-21swapper/021:51:420
470599514,29cyclictest0-21swapper/019:27:020
470599514,27cyclictest0-21swapper/019:38:490
470599514,26cyclictest0-21swapper/018:31:400
4705995123,12cyclictest0-21swapper/018:02:090
246902512,43sleep20-21swapper/219:43:352
246902512,43sleep20-21swapper/219:43:352
219499510,5rtkit-daemon2193-21rtkit-daemon22:42:353
219499510,5rtkit-daemon2193-21rtkit-daemon19:07:063
4709995030,13cyclictest0-21swapper/322:11:533
470999502,42cyclictest0-21swapper/318:56:513
4708995035,9cyclictest0-21swapper/219:47:032
4708995025,12cyclictest0-21swapper/220:49:362
4708995024,11cyclictest0-21swapper/218:17:032
4708995024,11cyclictest0-21swapper/218:17:032
470599504,28cyclictest0-21swapper/018:36:590
219499500,5rtkit-daemon2193-21rtkit-daemon20:12:263
120972507,36sleep20-21swapper/219:17:032
470899495,38cyclictest0-21swapper/219:11:492
470899484,37cyclictest0-21swapper/218:51:572
470899484,14cyclictest0-21swapper/218:06:402
4708994833,10cyclictest0-21swapper/218:12:022
4708994831,13cyclictest0-21swapper/219:06:532
4708994831,12cyclictest0-21swapper/219:21:542
4708994819,12cyclictest0-21swapper/219:51:592
219499480,5rtkit-daemon2193-21rtkit-daemon22:31:363
189072482,38sleep20-21swapper/218:25:282
470899476,34cyclictest0-21swapper/218:27:082
470899474,28cyclictest0-21swapper/218:31:522
219499470,4rtkit-daemon2193-21rtkit-daemon17:57:092
470899464,36cyclictest0-21swapper/218:36:492
4708994628,13cyclictest0-21swapper/219:37:062
4708994621,12cyclictest0-21swapper/218:07:042
470999453,37cyclictest0-21swapper/318:25:553
4709994529,11cyclictest0-21swapper/318:51:393
4708994530,9cyclictest16958-21wc19:27:052
470999449,12cyclictest0-21swapper/319:20:013
470999444,34cyclictest0-21swapper/319:31:593
4709994427,13cyclictest0-21swapper/318:02:093
4708994428,11cyclictest0-21swapper/219:32:062
46482443,6sleep00-21swapper/017:56:240
470999433,26cyclictest0-21swapper/318:26:523
470999423,33cyclictest0-21swapper/318:06:543
470999423,32cyclictest24012-21munin-node18:37:063
470999423,22cyclictest16711-21cat18:21:403
470999423,22cyclictest16711-21cat18:21:403
470999413,23cyclictest0-21swapper/318:41:493
140802413,32sleep30-21swapper/318:14:453
4708993914,10cyclictest0-21swapper/217:56:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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