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2026-08-02 - 03:07

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Sun Aug 02, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991230,9rtkit-daemon0-21swapper/018:34:220
22923991084,53cyclictest0-21swapper/021:14:030
229239910722,26cyclictest0-21swapper/021:27:280
229239910422,15cyclictest0-21swapper/018:19:080
22923991024,33cyclictest0-21swapper/022:19:200
22923991024,33cyclictest0-21swapper/022:19:200
22926991014,47cyclictest0-21swapper/321:03:443
22923991014,53cyclictest0-21swapper/020:29:040
229239910122,14cyclictest0-21swapper/021:39:120
229239910122,14cyclictest0-21swapper/021:39:120
22923991005,30cyclictest0-21swapper/023:29:090
2292599986,44cyclictest0-21swapper/222:19:132
2292599986,44cyclictest0-21swapper/222:19:132
2292599974,49cyclictest0-21swapper/221:20:152
2292399975,52cyclictest0-21swapper/020:19:050
2292399975,33cyclictest0-21swapper/021:44:200
219499970,5rtkit-daemon27527-21taskset18:17:000
2292399954,33cyclictest0-21swapper/022:04:130
22923999539,11cyclictest7938-21tr21:34:010
2292399944,31cyclictest0-21swapper/023:05:060
2292399944,31cyclictest0-21swapper/023:05:060
2292599932,49cyclictest0-21swapper/222:35:272
2292499934,55cyclictest0-21swapper/120:39:201
2292399934,32cyclictest0-21swapper/021:23:230
2292699924,45cyclictest15763-21sort21:44:183
2292399924,31cyclictest0-21swapper/019:04:200
2292599914,46cyclictest0-21swapper/222:27:312
2292599913,48cyclictest22061-21telnet23:33:542
2292499905,60cyclictest0-21swapper/123:14:001
22923999021,14cyclictest0-21swapper/020:26:320
2292599894,43cyclictest1227-21runrttasks21:26:382
2292499894,78cyclictest0-21swapper/122:03:091
2292499894,60cyclictest0-21swapper/121:49:521
2292399894,31cyclictest0-21swapper/022:39:200
2292699883,53cyclictest0-21swapper/322:24:003
2292599883,50cyclictest0-21swapper/222:09:432
2292499884,77cyclictest0-21swapper/122:36:291
2292499884,77cyclictest0-21swapper/121:37:441
2292499884,52cyclictest0-21swapper/120:28:491
2292499883,77cyclictest0-21swapper/123:02:441
2292499883,77cyclictest0-21swapper/123:02:441
2292499883,68cyclictest0-21swapper/121:12:451
2292499883,17cyclictest0-21swapper/123:19:141
2292499873,9cyclictest15188-21irqstats21:44:091
2292499873,11cyclictest0-21swapper/121:21:041
2292499864,64cyclictest0-21swapper/119:34:201
2292499864,64cyclictest0-21swapper/119:34:201
2292499864,11cyclictest0-21swapper/123:06:551
2292499864,11cyclictest0-21swapper/123:06:551
2292499864,11cyclictest0-21swapper/122:16:101
2292499863,59cyclictest0-21swapper/123:29:021
2292499863,51cyclictest0-21swapper/122:11:261
2292599853,46cyclictest0-21swapper/222:14:022
2292499858,61cyclictest0-21swapper/121:55:431
2292499855,64cyclictest0-21swapper/120:49:531
2292499854,66cyclictest0-21swapper/121:00:091
2292499854,60cyclictest0-21swapper/119:59:231
2292499853,7cyclictest30870-21sh22:58:301
2292499853,7cyclictest21117-21if_err_eth021:04:081
2292699843,45cyclictest27472-21ssh22:53:053
2292499845,71cyclictest0-21swapper/122:44:061
2292499844,71cyclictest0-21swapper/118:29:501
2292499844,64cyclictest0-21swapper/122:08:101
2292499844,13cyclictest0-21swapper/120:15:061
2292499844,13cyclictest0-21swapper/120:15:061
2292499844,12cyclictest0-21swapper/122:26:381
2292499843,9cyclictest18620-21df_inode22:38:591
22924998412,54cyclictest0-21swapper/120:38:031
22924998410,57cyclictest0-21swapper/123:35:271
2292699834,46cyclictest30707-21tail22:08:573
2292699833,49cyclictest0-21swapper/322:00:093
2292599833,48cyclictest0-21swapper/222:04:332
22925998322,9cyclictest20024-21grep20:14:102
22925998322,9cyclictest20024-21grep20:14:102
2292499834,72cyclictest0-21swapper/120:58:421
2292499834,72cyclictest0-21swapper/120:58:421
2292499834,61cyclictest0-21swapper/120:46:361
2292499833,9cyclictest23633-21iostat_ios20:19:111
2292499833,59cyclictest7727-21munin-node18:44:051
2292499833,46cyclictest0-21swapper/122:22:221
2292499833,46cyclictest0-21swapper/122:22:221
2292699824,44cyclictest20133-21munin-node21:04:213
2292699822,51cyclictest0-21swapper/322:19:453
2292699822,51cyclictest0-21swapper/322:19:453
2292699822,49cyclictest0-21swapper/320:21:343
2292499827,60cyclictest0-21swapper/123:09:121
2292499825,7cyclictest3491-21ssh21:26:451
2292499824,46cyclictest0-21swapper/118:19:221
2292499823,8cyclictest27108-21ssh22:51:431
2292499823,8cyclictest107550irq/46-eth021:14:101
2292499823,64cyclictest18295-21ssh20:11:461
2292499823,46cyclictest0-21swapper/121:29:211
2292499823,11cyclictest0-21swapper/122:32:591
2292499823,11cyclictest0-21swapper/120:28:571
2292699813,48cyclictest0-21swapper/322:56:003
2292699812,48cyclictest0-21swapper/322:18:063
2292599813,45cyclictest9649-21ssh20:47:282
2292499814,70cyclictest0-21swapper/123:24:131
2292499814,70cyclictest0-21swapper/121:39:041
2292499814,70cyclictest0-21swapper/121:39:041
2292499814,7cyclictest26718-21aten_r1power_en19:24:021
2292499814,61cyclictest0-21swapper/118:49:051
2292499814,60cyclictest0-21swapper/119:29:031
2292499814,60cyclictest0-21swapper/118:14:071
2292499814,51cyclictest0-21swapper/119:19:151
2292699802,48cyclictest0-21swapper/322:39:253
2292599802,50cyclictest0-21swapper/221:14:272
2292499804,7cyclictest31581-21ntp_states18:24:201
2292499803,8cyclictest15360-21cut18:59:091
2292499803,60cyclictest2649-21latency19:39:161
2292499799,50cyclictest0-21swapper/118:09:121
2292499799,50cyclictest0-21swapper/118:09:121
2292499794,8cyclictest7279-21chrt18:43:171
2292499793,68cyclictest0-21swapper/118:34:071
2292499784,58cyclictest0-21swapper/119:55:051
2292499783,54cyclictest0-21swapper/119:14:051
2292499764,8cyclictest20091-21diskstats19:09:111
2292499763,9cyclictest0-21swapper/119:49:171
2292499763,9cyclictest0-21swapper/119:07:081
2292499763,12cyclictest12423-21aten_r1power_fr18:54:041
22924997510,48cyclictest107550irq/46-eth019:44:131
2292499743,55cyclictest0-21swapper/120:04:011
2292499714,59cyclictest0-21swapper/118:08:541
2292399674,56cyclictest0-21swapper/021:03:040
2292399674,54cyclictest14466-21grep20:54:080
2292399674,54cyclictest14466-21grep20:54:080
96672663,56sleep00-21swapper/020:47:330
22923996621,29cyclictest0-21swapper/023:02:200
22923996621,29cyclictest0-21swapper/023:02:200
2292399655,52cyclictest0-21swapper/022:14:070
2292399654,54cyclictest0-21swapper/020:49:200
2292699644,52cyclictest12741-21ntpdc22:29:113
2292699633,51cyclictest27618-21gltestperf21:14:073
22923996321,24cyclictest20151-21idleruntime20:14:110
22923996321,24cyclictest20151-21idleruntime20:14:110
2292599624,50cyclictest0-21swapper/223:08:322
2292599624,50cyclictest0-21swapper/223:08:322
2292399624,31cyclictest0-21swapper/020:39:080
2292699616,47cyclictest0-21swapper/322:04:103
2292599615,49cyclictest0-21swapper/220:29:382
2292399614,51cyclictest0-21swapper/023:37:340
2292399614,32cyclictest0-21swapper/018:24:190
2292599603,50cyclictest15649-21diskmemload21:41:592
2292599603,50cyclictest15649-21diskmemload21:41:592
2292599603,50cyclictest10291-21rm21:37:382
2292399604,38cyclictest0-21swapper/019:29:080
2292399604,32cyclictest0-21swapper/022:09:060
22923996010,27cyclictest0-21swapper/022:58:420
22923996010,27cyclictest0-21swapper/022:29:050
2292699593,49cyclictest15649-21diskmemload20:14:223
2292699593,49cyclictest15649-21diskmemload20:14:223
2292599593,50cyclictest9994-21crond20:53:422
2292599593,50cyclictest23613-21ssh21:58:222
2292599593,50cyclictest0-21swapper/222:39:192
2292599593,49cyclictest0-21swapper/220:54:002
2292599593,49cyclictest0-21swapper/220:54:002
2292599592,51cyclictest0-21swapper/223:02:312
2292599592,51cyclictest0-21swapper/223:02:312
2292399595,30cyclictest0-21swapper/022:48:550
2292399595,30cyclictest0-21swapper/022:01:150
2292399594,49cyclictest0-21swapper/021:29:170
2292699584,47cyclictest32034-21ssh21:19:583
2292699583,48cyclictest314232sleep318:24:163
2292699583,48cyclictest19677-21kworker/3:220:27:143
2292699583,48cyclictest10603-21kworker/3:021:54:413
2292699582,50cyclictest0-21swapper/323:01:563
2292699582,50cyclictest0-21swapper/323:01:563
2292599583,49cyclictest29059-21latency_hist20:28:502
2292599583,49cyclictest15649-21diskmemload23:11:132
2292599583,48cyclictest23188-21ssh22:44:202
2292399585,31cyclictest0-21swapper/021:13:340
2292399583,48cyclictest0-21swapper/023:09:020
2292699574,47cyclictest0-21swapper/323:24:153
2292699574,47cyclictest0-21swapper/321:39:113
2292699574,47cyclictest0-21swapper/321:39:113
2292699573,49cyclictest0-21swapper/321:23:513
2292699573,48cyclictest15649-21diskmemload20:52:223
2292699573,48cyclictest0-21swapper/323:30:283
2292699573,48cyclictest0-21swapper/323:11:273
2292699573,47cyclictest6026-21ssh20:41:123
2292699573,47cyclictest20082-21rm21:52:193
2292599573,49cyclictest0-21swapper/221:03:492
2292599573,48cyclictest19289-21kworker/2:020:37:352
2292599573,47cyclictest6231-21ssh20:41:582
2292599573,47cyclictest0-21swapper/218:49:062
2292399574,47cyclictest0-21swapper/022:46:510
2292399574,37cyclictest0-21swapper/022:24:160
22923995726,9cyclictest0-21swapper/021:08:240
2292699565,44cyclictest7081-21ssh21:32:553
2292699564,46cyclictest11636-21runrttasks23:18:033
2292699563,47cyclictest10431-21ssh21:38:113
2292699562,49cyclictest0-21swapper/322:48:263
2292699562,48cyclictest0-21swapper/319:34:013
2292699562,48cyclictest0-21swapper/319:34:013
2292599564,46cyclictest6666-21ssh21:31:192
2292599563,47cyclictest22542-21rm20:18:552
2292599563,46cyclictest26552-21ssh22:01:582
2292599562,49cyclictest0-21swapper/222:31:392
2292599562,49cyclictest0-21swapper/220:59:472
2292599562,48cyclictest15649-21diskmemload21:09:252
2292599562,48cyclictest0-21swapper/223:21:012
2292599562,48cyclictest0-21swapper/222:50:432
2292399564,28cyclictest0-21swapper/023:25:580
219499560,5rtkit-daemon2193-21rtkit-daemon18:04:080
2292699553,47cyclictest0-21swapper/321:08:503
2292699553,46cyclictest15649-21diskmemload22:35:073
2292699552,48cyclictest0-21swapper/320:34:393
2292699552,47cyclictest0-21swapper/320:56:563
2292699552,47cyclictest0-21swapper/320:56:563
2292699552,47cyclictest0-21swapper/320:29:143
2292599554,45cyclictest0-21swapper/222:53:532
2292599553,46cyclictest0-21swapper/220:09:262
22925995529,12cyclictest0-21swapper/223:24:132
2292399555,25cyclictest0-21swapper/023:20:380
2292399554,44cyclictest0-21swapper/019:24:030
2292399554,28cyclictest0-21swapper/018:49:170
2292399553,45cyclictest16791-21taskset22:34:590
22923995521,16cyclictest0-21swapper/021:54:210
22923995520,12cyclictest0-21swapper/020:13:260
60962544,43sleep20-21swapper/218:39:162
2292699543,45cyclictest0-21swapper/323:03:543
2292699543,45cyclictest0-21swapper/323:03:543
2292699542,45cyclictest5181-21munin-node18:39:173
2292599542,47cyclictest0-21swapper/223:30:592
2292599542,47cyclictest0-21swapper/223:14:172
2292599542,47cyclictest0-21swapper/221:52:112
2292599542,47cyclictest0-21swapper/219:09:072
2292399545,31cyclictest0-21swapper/019:09:110
2292399544,32cyclictest0-21swapper/018:39:240
22923995424,16cyclictest0-21swapper/023:15:510
22923995421,11cyclictest19410-21ssh21:49:430
219499540,5rtkit-daemon2193-21rtkit-daemon19:19:203
2292699533,45cyclictest0-21swapper/323:23:373
2292599534,43cyclictest0-21swapper/219:24:122
2292599532,46cyclictest0-21swapper/220:04:072
2292599532,46cyclictest0-21swapper/218:59:382
2292599532,46cyclictest0-21swapper/218:54:032
2292599532,45cyclictest0-21swapper/219:39:162
2292599532,45cyclictest0-21swapper/218:34:212
2292599532,45cyclictest0-21swapper/218:09:242
2292599532,45cyclictest0-21swapper/218:09:242
2292399535,30cyclictest0-21swapper/020:34:060
2292399534,43cyclictest0-21swapper/018:29:160
2292399534,32cyclictest0-21swapper/018:59:060
2292399533,43cyclictest0-21swapper/020:04:080
2292399533,21cyclictest0-21swapper/019:38:310
2292399533,21cyclictest0-21swapper/019:38:310
22923995322,13cyclictest0-21swapper/019:14:180
2292699524,42cyclictest0-21swapper/320:44:153
2292699523,44cyclictest0-21swapper/320:12:313
2292699522,45cyclictest0-21swapper/318:54:053
2292699522,44cyclictest0-21swapper/323:36:093
2292699522,44cyclictest0-21swapper/318:49:193
2292699522,44cyclictest0-21swapper/318:34:223
2292699522,44cyclictest0-21swapper/318:23:543
2292599523,43cyclictest0-21swapper/219:53:502
2292599522,46cyclictest0-21swapper/221:44:032
2292599522,45cyclictest0-21swapper/219:54:012
2292599522,44cyclictest0-21swapper/219:14:122
22925995218,12cyclictest0-21swapper/218:14:292
2292399525,30cyclictest0-21swapper/019:44:200
2292399525,29cyclictest0-21swapper/019:19:110
22923995223,22cyclictest2176-21cut19:39:100
22923995222,14cyclictest0-21swapper/019:59:100
219499520,5rtkit-daemon2193-21rtkit-daemon19:13:583
2292699512,44cyclictest0-21swapper/320:04:023
2292599513,43cyclictest0-21swapper/218:24:042
22925995120,9cyclictest22896-21latency_hist18:08:542
2292599512,44cyclictest0-21swapper/219:59:002
2292599512,43cyclictest0-21swapper/219:04:082
2292599512,43cyclictest0-21swapper/218:44:262
22925995114,9cyclictest25256-21if_err_eth019:19:122
2292399515,29cyclictest0-21swapper/018:44:220
2292399515,27cyclictest8735-21aten2.4-expect19:54:000
22923995121,15cyclictest0-21swapper/018:54:260
219499510,5rtkit-daemon2193-21rtkit-daemon19:25:123
2292699503,41cyclictest0-21swapper/319:49:193
2292699503,24cyclictest7780-21cpu18:44:053
2292699502,43cyclictest0-21swapper/319:54:013
2292599502,43cyclictest0-21swapper/218:29:032
2292399504,28cyclictest0-21swapper/019:49:180
2292399504,26cyclictest0-21swapper/018:09:060
2292399504,26cyclictest0-21swapper/018:09:060
219499500,5rtkit-daemon2193-21rtkit-daemon19:39:123
22926994922,21cyclictest32685-21munin-node18:29:093
2292699492,43cyclictest0-21swapper/318:59:203
2292699492,43cyclictest0-21swapper/318:09:283
2292699492,43cyclictest0-21swapper/318:09:283
2292699492,42cyclictest0-21swapper/319:59:173
2292699492,42cyclictest0-21swapper/319:44:153
2292599492,42cyclictest0-21swapper/219:44:032
2292599492,42cyclictest0-21swapper/219:29:052
2292599492,41cyclictest0-21swapper/219:34:052
2292599492,41cyclictest0-21swapper/219:34:052
2292699483,29cyclictest0-21swapper/319:09:253
2292699482,41cyclictest0-21swapper/319:29:273
2292599482,41cyclictest0-21swapper/218:19:052
2292699454,33cyclictest0-21swapper/319:04:043
2292699444,34cyclictest27689-21munin-run18:18:543
2288923822,8sleep30-21swapper/318:08:543
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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