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2026-07-17 - 12:12

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 Fri Jul 17, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
864899984,73cyclictest0-21swapper/021:14:240
864899953,83cyclictest0-21swapper/022:49:440
865199944,11cyclictest0-21swapper/323:04:163
865199943,69cyclictest16686-21ssh23:43:573
864899944,83cyclictest0-21swapper/021:13:370
864899944,73cyclictest0-21swapper/022:59:050
8651999315,71cyclictest5416-21nscd22:33:463
864899934,81cyclictest9548-21sort22:04:150
865199924,13cyclictest0-21swapper/322:04:013
865199923,80cyclictest12854-21ssh21:24:163
864899925,71cyclictest0-21swapper/022:34:200
864899924,81cyclictest0-21swapper/021:35:460
864899924,81cyclictest0-21swapper/021:03:100
864899924,81cyclictest0-21swapper/021:03:100
864899924,81cyclictest0-21swapper/019:54:080
864899924,80cyclictest0-21swapper/022:18:080
864899924,80cyclictest0-21swapper/022:01:470
864899924,70cyclictest0-21swapper/023:19:100
864899924,55cyclictest0-21swapper/020:49:240
864899923,83cyclictest7004-21python23:29:170
865199914,79cyclictest0-21swapper/321:45:523
864899914,80cyclictest0-21swapper/022:09:170
864899914,79cyclictest0-21swapper/021:44:080
864899914,79cyclictest0-21swapper/021:39:200
864899914,79cyclictest0-21swapper/021:39:200
864899913,82cyclictest0-21swapper/022:30:320
864899913,81cyclictest0-21swapper/020:46:230
865199905,68cyclictest0-21swapper/323:13:213
865199905,63cyclictest0-21swapper/320:34:263
865199904,62cyclictest0-21swapper/322:59:493
865199904,14cyclictest0-21swapper/318:29:083
8651999010,72cyclictest19318-21sh22:18:593
8651999010,72cyclictest19318-21sh22:18:593
8651999010,67cyclictest0-21swapper/322:34:043
864899906,64cyclictest0-21swapper/020:42:020
864899904,78cyclictest0-21swapper/021:04:080
864899904,77cyclictest0-21swapper/023:14:070
864899904,70cyclictest0-21swapper/020:29:160
864899904,67cyclictest0-21swapper/021:18:510
864899903,80cyclictest0-21swapper/023:43:540
864899903,80cyclictest0-21swapper/023:04:130
864899903,79cyclictest0-21swapper/022:19:230
864899903,79cyclictest0-21swapper/022:19:230
865199894,78cyclictest0-21swapper/320:57:103
865199894,77cyclictest0-21swapper/322:53:173
865199894,67cyclictest0-21swapper/323:20:533
865199893,78cyclictest0-21swapper/321:04:263
8651998913,51cyclictest0-21swapper/321:39:143
8651998913,51cyclictest0-21swapper/321:39:143
864899896,64cyclictest0-21swapper/023:11:140
864899894,78cyclictest0-21swapper/023:24:080
864899894,78cyclictest0-21swapper/020:55:050
864899893,79cyclictest0-21swapper/021:25:390
864899893,11cyclictest0-21swapper/021:53:580
865199884,68cyclictest0-21swapper/320:27:313
865199884,62cyclictest0-21swapper/320:30:233
865199884,13cyclictest0-21swapper/322:14:493
865199883,9cyclictest6141-21processes21:59:203
865199883,78cyclictest5467-21munin-node23:29:063
864899884,77cyclictest17276-21ssh21:29:570
864899884,77cyclictest0-21swapper/023:34:110
864899884,69cyclictest0-21swapper/019:59:160
864899884,68cyclictest0-21swapper/022:39:000
864899884,51cyclictest0-21swapper/020:34:080
864899884,50cyclictest0-21swapper/023:42:280
864899884,50cyclictest0-21swapper/023:42:280
864899883,78cyclictest0-21swapper/023:49:080
864899883,77cyclictest0-21swapper/021:49:180
8648998813,68cyclictest12780-21threads18:29:290
865199874,76cyclictest0-21swapper/322:23:533
865199874,76cyclictest0-21swapper/320:47:503
865199874,62cyclictest0-21swapper/320:49:253
865199874,13cyclictest0-21swapper/321:09:173
865199874,12cyclictest0-21swapper/321:49:123
864899874,76cyclictest12997-21fschecks_count22:54:040
864899874,76cyclictest0-21swapper/020:24:020
864899874,76cyclictest0-21swapper/019:39:220
864899874,74cyclictest0-21swapper/019:04:150
864899873,77cyclictest0-21swapper/022:45:540
864899873,77cyclictest0-21swapper/019:44:090
864899873,76cyclictest0-21swapper/020:13:530
864899873,49cyclictest0-21swapper/022:24:230
865199865,73cyclictest0-21swapper/321:14:533
865199864,70cyclictest0-21swapper/323:34:233
865199864,66cyclictest0-21swapper/322:54:253
865199864,64cyclictest0-21swapper/323:24:083
865199864,57cyclictest0-21swapper/320:42:273
8651998617,45cyclictest0-21swapper/323:49:393
864899865,69cyclictest0-21swapper/018:23:560
864899864,74cyclictest0-21swapper/018:28:570
864899863,76cyclictest0-21swapper/018:49:190
865199854,12cyclictest0-21swapper/319:44:173
865199853,74cyclictest13345-21forks23:39:013
865199853,74cyclictest13345-21forks23:39:013
865199853,68cyclictest0-21swapper/321:31:043
864899854,74cyclictest0-21swapper/020:04:060
864899854,74cyclictest0-21swapper/018:39:060
865199844,73cyclictest0-21swapper/321:34:063
865199844,69cyclictest0-21swapper/319:34:293
865199844,58cyclictest0-21swapper/323:16:333
865199844,48cyclictest0-21swapper/321:01:003
865199844,48cyclictest0-21swapper/321:01:003
865199843,74cyclictest0-21swapper/322:44:083
864899844,55cyclictest0-21swapper/019:13:540
864899843,72cyclictest6287-21taskset19:24:170
865199837,57cyclictest1521-21diskstats21:54:053
865199834,72cyclictest0-21swapper/319:19:493
865199834,65cyclictest0-21swapper/322:41:473
865199834,64cyclictest0-21swapper/321:19:143
865199834,55cyclictest0-21swapper/318:48:563
865199834,12cyclictest0-21swapper/319:39:183
864899834,61cyclictest0-21swapper/020:14:230
864899834,50cyclictest0-21swapper/018:54:160
864899834,50cyclictest0-21swapper/018:54:160
864899833,73cyclictest0-21swapper/019:23:540
865199824,71cyclictest0-21swapper/319:04:083
865199823,12cyclictest0-21swapper/320:03:523
864899823,58cyclictest0-21swapper/019:29:070
865199814,10cyclictest12873-21hddtemp_smartct22:09:083
864899814,70cyclictest0-21swapper/018:59:100
864899814,69cyclictest0-21swapper/018:44:120
8651998040,34cyclictest18920-21unixbench_singl19:49:273
864899803,70cyclictest0-21swapper/020:19:030
864899803,70cyclictest0-21swapper/020:19:030
864899803,70cyclictest0-21swapper/019:17:230
865199794,9cyclictest27355-21vmstat18:59:323
865199794,60cyclictest0-21swapper/318:54:163
865199794,60cyclictest0-21swapper/318:54:163
8651997918,45cyclictest0-21swapper/319:14:153
865199784,13cyclictest0-21swapper/319:09:083
865199774,66cyclictest9770-21crond19:33:533
865199774,65cyclictest0-21swapper/320:09:203
864899774,66cyclictest0-21swapper/018:34:190
864899773,68cyclictest0-21swapper/019:49:050
865199764,50cyclictest0-21swapper/320:19:173
865199764,50cyclictest0-21swapper/320:19:173
865199764,49cyclictest0-21swapper/319:28:543
864899763,59cyclictest0-21swapper/019:34:060
865199754,57cyclictest0-21swapper/319:54:173
865199753,9cyclictest25650-21proc_pri20:04:213
865199753,11cyclictest0-21swapper/318:39:123
865199744,63cyclictest0-21swapper/318:24:153
865199734,13cyclictest0-21swapper/318:49:063
865199733,11cyclictest0-21swapper/318:34:043
865199724,50cyclictest0-21swapper/320:14:153
8650997222,30cyclictest1227-21runrttasks22:04:072
864999704,56cyclictest0-21swapper/123:00:041
219499690,7rtkit-daemon0-21swapper/320:55:322
865199684,57cyclictest0-21swapper/318:23:573
864999684,54cyclictest0-21swapper/122:09:041
865099665,53cyclictest0-21swapper/221:18:492
865099664,52cyclictest0-21swapper/221:49:012
864999654,53cyclictest13035-21fschecks_count22:54:041
864999654,53cyclictest0-21swapper/123:17:411
864999654,53cyclictest0-21swapper/122:34:201
864999654,52cyclictest0-21swapper/123:47:311
864999653,56cyclictest0-21swapper/121:33:301
864999643,54cyclictest0-21swapper/119:19:161
864999643,53cyclictest0-21swapper/123:42:131
864999643,53cyclictest0-21swapper/123:42:131
865099633,53cyclictest0-21swapper/222:50:562
865099632,55cyclictest0-21swapper/223:39:182
865099632,55cyclictest0-21swapper/223:39:182
864999633,8cyclictest14227-21runrttasks21:26:421
219499630,6rtkit-daemon29986-21smartctl20:14:112
219499630,6rtkit-daemon0-21swapper/318:59:372
865099625,13cyclictest9406-21ssh23:33:582
865099624,49cyclictest0-21swapper/220:59:152
865099624,49cyclictest0-21swapper/220:59:152
8650996231,13cyclictest0-21swapper/222:54:102
865099623,30cyclictest0-21swapper/223:13:452
8650996217,12cyclictest0-21swapper/223:05:252
864999625,48cyclictest0-21swapper/123:19:191
864999624,51cyclictest0-21swapper/121:18:491
864999624,50cyclictest0-21swapper/121:54:031
864999623,51cyclictest6541-21unixbench_singl21:59:251
865099613,51cyclictest0-21swapper/222:18:092
864999616,47cyclictest0-21swapper/122:04:051
864999614,50cyclictest0-21swapper/123:09:211
219499610,6rtkit-daemon0-21swapper/320:26:412
219499610,6rtkit-daemon0-21swapper/318:44:302
219499610,5rtkit-daemon13253-21netstat22:09:142
8650996020,32cyclictest22845-21munin-node22:24:172
864999604,48cyclictest0-21swapper/121:53:491
864999604,48cyclictest0-21swapper/121:09:181
864999603,51cyclictest0-21swapper/121:39:181
864999603,51cyclictest0-21swapper/121:39:181
864999603,51cyclictest0-21swapper/120:57:501
8649996027,27cyclictest17060-21processes22:14:181
219499600,6rtkit-daemon0-21swapper/319:09:212
184522600,4sleep2281ktimersoftd/223:44:532
865099595,45cyclictest0-21swapper/221:04:032
865099594,47cyclictest0-21swapper/220:39:072
865099594,38cyclictest0-21swapper/219:14:322
8650995928,14cyclictest0-21swapper/221:29:142
865099592,51cyclictest0-21swapper/223:30:492
865099584,47cyclictest21977-21runrttasks22:22:012
865099584,47cyclictest21977-21runrttasks22:22:012
865099584,46cyclictest31832-21netstat23:19:162
865099584,46cyclictest0-21swapper/223:24:002
865099584,38cyclictest0-21swapper/220:05:442
8650995814,28cyclictest0-21swapper/221:20:092
8650995812,29cyclictest0-21swapper/220:50:282
8649995840,12cyclictest6009-21gltestperf20:29:121
864999584,47cyclictest0-21swapper/123:29:221
864999583,49cyclictest0-21swapper/120:04:211
864999583,48cyclictest0-21swapper/121:19:571
8649995827,24cyclictest9229-21df_abs22:49:011
51272583,10sleep25200-21munin-node20:29:042
21682583,7sleep12187-21ssh20:24:071
8650995727,13cyclictest0-21swapper/222:59:022
865099572,50cyclictest0-21swapper/223:51:022
8650995713,37cyclictest6947-21unixbench_singl22:44:212
864999574,45cyclictest0-21swapper/122:24:041
8649995735,14cyclictest0-21swapper/121:34:161
865099565,13cyclictest0-21swapper/221:59:072
865099564,45cyclictest0-21swapper/222:34:012
8650995630,10cyclictest1227-21runrttasks23:14:272
865099562,49cyclictest0-21swapper/220:37:232
864999565,41cyclictest29445-21yum-updatesd-he21:04:161
864999564,46cyclictest0-21swapper/120:34:271
864999564,30cyclictest0-21swapper/120:49:031
864999564,16cyclictest0-21swapper/121:47:021
288192562,46sleep10-21swapper/122:30:471
214862562,11sleep10-21swapper/122:20:311
214862562,11sleep10-21swapper/122:20:311
865099553,47cyclictest0-21swapper/221:39:022
865099553,47cyclictest0-21swapper/221:39:022
865099553,46cyclictest0-21swapper/221:34:542
865099553,37cyclictest0-21swapper/220:19:232
865099553,37cyclictest0-21swapper/220:19:232
864999554,44cyclictest2903-21iostat_ios23:24:081
8649995537,11cyclictest10372-21cpuspeed_turbos19:34:081
864999553,46cyclictest201ktimersoftd/122:39:091
8649995519,22cyclictest28006-21aten_r1power_en19:04:061
115372552,45sleep10-21swapper/123:35:581
90002542,8sleep20-21swapper/219:29:262
865099545,33cyclictest0-21swapper/220:45:052
865099544,43cyclictest0-21swapper/221:45:222
865099544,14cyclictest0-21swapper/221:27:162
8650995435,11cyclictest21600-21grep18:49:132
865099543,45cyclictest0-21swapper/222:29:002
8650995422,14cyclictest0-21swapper/222:39:052
8650995410,28cyclictest0-21swapper/221:09:082
864999545,41cyclictest0-21swapper/120:19:121
864999545,41cyclictest0-21swapper/120:19:121
864999544,44cyclictest0-21swapper/121:03:241
864999544,44cyclictest0-21swapper/121:03:241
864999544,42cyclictest0-21swapper/123:04:561
864999544,28cyclictest0-21swapper/122:44:371
219499540,7rtkit-daemon2193-21rtkit-daemon18:19:232
865099535,39cyclictest0-21swapper/218:26:252
865099535,32cyclictest0-21swapper/221:54:132
865099535,29cyclictest0-21swapper/219:24:082
865099534,29cyclictest0-21swapper/219:04:082
865099534,26cyclictest0-21swapper/219:19:062
864999539,32cyclictest0-21swapper/118:43:561
864999534,41cyclictest22778-21gltestperf19:59:121
864999534,40cyclictest0-21swapper/119:39:051
864999533,10cyclictest0-21swapper/120:48:311
291282532,10sleep10-21swapper/120:14:031
216212533,43sleep20-21swapper/219:57:522
865099525,29cyclictest0-21swapper/218:54:122
865099525,29cyclictest0-21swapper/218:54:122
865099525,28cyclictest0-21swapper/220:09:052
865099524,30cyclictest0-21swapper/219:49:222
8650995224,10cyclictest11718-21grep19:34:282
864999525,40cyclictest0-21swapper/120:09:211
864999523,42cyclictest20090-21aten_r1power_po23:48:561
865099514,29cyclictest0-21swapper/218:29:122
8650995118,15cyclictest0-21swapper/218:39:272
864999515,27cyclictest0-21swapper/118:25:281
864999514,40cyclictest0-21swapper/120:39:091
864999514,40cyclictest0-21swapper/118:29:201
864999512,43cyclictest0-21swapper/119:54:181
227792512,13sleep10-21swapper/118:51:521
865099505,28cyclictest0-21swapper/219:39:062
8650995021,12cyclictest0-21swapper/219:45:412
864999504,37cyclictest0-21swapper/118:59:101
864999504,28cyclictest0-21swapper/119:09:141
8649995033,11cyclictest20147-21unixbench_singl18:44:291
864999503,42cyclictest0-21swapper/119:29:171
250712503,41sleep10-21swapper/118:55:391
250712503,41sleep10-21swapper/118:55:391
865099494,27cyclictest0-21swapper/219:59:042
865099493,39cyclictest0-21swapper/218:34:212
71372492,11sleep10-21swapper/119:25:461
190412492,12sleep10-21swapper/119:50:211
8649994831,10cyclictest2111-21tail19:14:291
864999483,40cyclictest0-21swapper/118:34:281
864999454,32cyclictest0-21swapper/119:48:541
864999372,29cyclictest0-21swapper/118:23:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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