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2026-03-27 - 17:18

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 all highest latencies:
System rack1slot6s.osadl.org (updated Fri Mar 27, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8498999913,27cyclictest13850-21crond11:01:462
849899983,47cyclictest0-21swapper/210:26:402
8493999815,12cyclictest1419-21runrttasks09:22:050
8498999718,19cyclictest32125-21rm09:52:062
8498999718,19cyclictest32125-21rm09:52:062
8498999633,11cyclictest10427-21grep05:32:332
8498999633,11cyclictest10427-21grep05:32:332
849399964,26cyclictest0-21swapper/010:23:540
8493999625,10cyclictest1419-21runrttasks09:04:300
849899955,83cyclictest29664-21gltestperf08:12:122
8498999539,10cyclictest19465-21tail05:52:232
8493999526,61cyclictest0-21swapper/010:01:490
8493999427,13cyclictest0-21swapper/010:41:580
8493999419,13cyclictest0-21swapper/008:47:220
849899933,50cyclictest0-21swapper/209:32:112
849899933,45cyclictest0-21swapper/207:44:492
849899933,45cyclictest0-21swapper/207:44:492
849399936,28cyclictest0-21swapper/008:42:080
849399934,26cyclictest19067-21grep07:57:070
849899924,13cyclictest0-21swapper/208:32:132
849799924,12cyclictest0-21swapper/110:36:481
849799924,12cyclictest0-21swapper/110:36:481
849399924,35cyclictest0-21swapper/005:47:160
849399915,26cyclictest0-21swapper/009:27:110
849399915,13cyclictest0-21swapper/008:12:110
849399914,34cyclictest0-21swapper/009:11:510
849399914,34cyclictest0-21swapper/009:11:510
8493999122,13cyclictest0-21swapper/008:21:480
849799904,15cyclictest0-21swapper/110:27:191
849799903,10cyclictest2790-21cat09:07:221
849799903,10cyclictest2790-21cat09:07:221
849399908,12cyclictest0-21swapper/010:27:080
849399904,33cyclictest8488-21cyclictest05:32:000
849399904,32cyclictest1419-21runrttasks11:00:390
849399904,12cyclictest0-21swapper/010:07:080
849399903,22cyclictest22079-21aten2.4-expect08:02:050
8493999016,10cyclictest20018-21ssh09:32:330
8493999010,23cyclictest27198-21runrttasks09:44:160
849399895,33cyclictest0-21swapper/006:07:120
849399895,26cyclictest0-21swapper/010:36:480
849399895,26cyclictest0-21swapper/010:36:480
849399895,16cyclictest0-21swapper/007:54:220
849399895,14cyclictest0-21swapper/010:47:060
849399894,34cyclictest0-21swapper/010:40:000
849399894,32cyclictest0-21swapper/009:37:490
849399894,26cyclictest0-21swapper/008:58:510
849399893,32cyclictest0-21swapper/007:45:440
849399893,32cyclictest0-21swapper/007:45:440
8493998929,13cyclictest0-21swapper/010:52:030
8493998923,14cyclictest0-21swapper/008:22:230
849899883,49cyclictest0-21swapper/206:16:102
849899883,45cyclictest15563-21ssh10:15:522
849899883,34cyclictest0-21swapper/210:40:322
849799884,13cyclictest0-21swapper/108:47:101
849799884,11cyclictest0-21swapper/107:51:551
849799883,13cyclictest0-21swapper/108:10:481
8497998820,49cyclictest21112-21ssh09:36:361
849399885,13cyclictest0-21swapper/009:17:240
849399884,27cyclictest0-21swapper/010:06:180
849399884,14cyclictest0-21swapper/006:57:270
849399884,14cyclictest0-21swapper/006:57:270
849399884,12cyclictest10816-21gltestperf08:32:120
849399883,9cyclictest7381-21yum-updatesd-he09:15:500
849399883,9cyclictest7381-21yum-updatesd-he09:15:500
849399883,39cyclictest0-21swapper/010:19:350
849399883,26cyclictest0-21swapper/007:47:260
849899873,46cyclictest0-21swapper/210:36:222
849899873,46cyclictest0-21swapper/210:36:222
849799875,14cyclictest0-21swapper/110:05:001
849799874,12cyclictest0-21swapper/107:58:351
849799874,12cyclictest0-21swapper/106:17:091
849799874,11cyclictest0-21swapper/109:17:481
849799874,10cyclictest0-21swapper/110:39:121
849799873,12cyclictest0-21swapper/110:49:551
849799873,11cyclictest0-21swapper/109:04:381
849399875,36cyclictest0-21swapper/009:53:410
849399875,36cyclictest0-21swapper/009:53:410
849399875,23cyclictest0-21swapper/009:49:090
849399874,34cyclictest0-21swapper/008:37:270
849399874,34cyclictest0-21swapper/008:27:030
849399874,34cyclictest0-21swapper/008:27:030
849399874,33cyclictest0-21swapper/007:02:260
849399874,25cyclictest0-21swapper/008:11:110
849399874,25cyclictest0-21swapper/007:33:380
849399874,13cyclictest0-21swapper/010:13:540
849799864,13cyclictest0-21swapper/110:22:421
849799863,15cyclictest0-21swapper/109:13:491
849799863,15cyclictest0-21swapper/109:13:491
849799863,10cyclictest5180-21kworker/1:108:32:061
8497998619,47cyclictest0-21swapper/108:20:171
849399865,33cyclictest0-21swapper/007:37:270
849399864,33cyclictest0-21swapper/006:37:220
849799854,13cyclictest0-21swapper/110:20:151
849799854,12cyclictest0-21swapper/111:00:231
849799853,12cyclictest0-21swapper/110:54:591
849799853,12cyclictest0-21swapper/109:51:511
849799853,12cyclictest0-21swapper/109:51:511
849799853,12cyclictest0-21swapper/109:27:281
849399855,27cyclictest0-21swapper/008:52:270
849899843,23cyclictest3664-21ssh09:09:282
849899843,23cyclictest3664-21ssh09:09:282
849799845,11cyclictest0-21swapper/108:27:131
849799845,11cyclictest0-21swapper/108:27:131
849799844,12cyclictest0-21swapper/109:38:061
849799844,11cyclictest0-21swapper/105:42:241
849799843,12cyclictest0-21swapper/108:16:341
849799843,11cyclictest0-21swapper/108:03:581
849799843,10cyclictest13068-21munin-node09:22:231
849399846,32cyclictest0-21swapper/005:52:300
849799836,6cyclictest0-21swapper/107:56:201
849799834,7cyclictest0-21swapper/109:58:181
849799834,58cyclictest0-21swapper/107:37:481
849799834,12cyclictest0-21swapper/109:01:521
8497998320,43cyclictest123761ssh10:11:331
8498998218,11cyclictest0-21swapper/208:41:062
849799825,14cyclictest0-21swapper/105:37:011
849799823,11cyclictest0-21swapper/107:46:311
849799823,11cyclictest0-21swapper/107:46:311
849399822,18cyclictest0-21swapper/006:32:310
849799816,12cyclictest0-21swapper/108:52:091
849799815,12cyclictest0-21swapper/107:07:251
849799814,12cyclictest0-21swapper/108:42:111
8497998115,44cyclictest5180-21kworker/1:107:32:051
8497998110,7cyclictest2284-21wc10:42:191
849399814,27cyclictest0-21swapper/006:31:580
8498998029,9cyclictest22901-21grep08:02:132
849799805,12cyclictest0-21swapper/106:27:261
849799804,12cyclictest0-21swapper/109:46:531
849799804,11cyclictest0-21swapper/108:39:471
849799803,69cyclictest0-21swapper/108:23:401
849799803,10cyclictest27903-21munin-run09:46:491
849399805,32cyclictest0-21swapper/007:17:140
849799795,10cyclictest0-21swapper/110:14:251
8497997915,57cyclictest0-21swapper/107:22:231
849399795,27cyclictest0-21swapper/007:30:430
849399794,33cyclictest0-21swapper/005:57:120
8493997926,13cyclictest0-21swapper/006:17:110
849399784,34cyclictest0-21swapper/006:51:570
849399784,13cyclictest0-21swapper/006:22:150
849799774,12cyclictest0-21swapper/107:21:551
849799774,12cyclictest0-21swapper/105:52:161
849799773,55cyclictest0-21swapper/106:52:081
849799773,12cyclictest0-21swapper/107:06:571
849799773,11cyclictest11975-21sshd06:46:311
8497997720,50cyclictest17725-21fschecks_time06:57:131
8497997720,50cyclictest17725-21fschecks_time06:57:131
849399775,33cyclictest0-21swapper/007:22:150
849799763,66cyclictest22753-21sshd06:01:281
8497997619,51cyclictest13798-21timerandwakeup06:47:271
849799753,8cyclictest9289-21diskstats05:32:161
849799753,8cyclictest9289-21diskstats05:32:161
849799753,12cyclictest0-21swapper/107:27:391
8497997521,48cyclictest7573-21aten_r1power_po06:37:081
8497997519,50cyclictest25521-21proc_pri07:12:231
8497997519,49cyclictest1419-21runrttasks06:03:091
8497997423,45cyclictest1419-21runrttasks06:07:131
8497997320,46cyclictest475-21cpuspeed_turbos06:22:101
849899724,61cyclictest0-21swapper/208:17:202
849999714,29cyclictest0-21swapper/310:12:213
849799714,12cyclictest0-21swapper/106:12:111
8497997121,44cyclictest5193-21aten_r1power_po06:32:101
8497997120,44cyclictest15881-21munin-node05:47:241
849899685,54cyclictest0-21swapper/207:46:592
849999664,31cyclictest0-21swapper/307:21:553
849799664,12cyclictest0-21swapper/105:32:001
8499996520,14cyclictest0-21swapper/307:41:553
849899643,53cyclictest0-21swapper/210:07:122
849899643,47cyclictest0-21swapper/208:10:352
248599640,5rtkit-daemon2484-21rtkit-daemon10:32:133
248599640,5rtkit-daemon2484-21rtkit-daemon10:32:133
849999634,31cyclictest0-21swapper/308:22:143
849899633,51cyclictest0-21swapper/209:42:142
8498996321,8cyclictest30761-21rm09:02:072
8493996327,11cyclictest0-21swapper/006:52:300
849999625,38cyclictest0-21swapper/309:19:453
849999625,31cyclictest0-21swapper/310:26:593
8499996214,26cyclictest24501-21switchtime06:02:313
849899624,50cyclictest0-21swapper/209:57:122
248599620,5rtkit-daemon2484-21rtkit-daemon06:15:383
849999615,39cyclictest0-21swapper/309:58:013
849999615,28cyclictest0-21swapper/308:42:283
849999615,25cyclictest0-21swapper/309:54:433
849999615,25cyclictest0-21swapper/309:54:433
849999614,37cyclictest0-21swapper/308:18:593
849999614,30cyclictest0-21swapper/310:52:123
849999605,28cyclictest0-21swapper/310:22:213
849999604,37cyclictest0-21swapper/310:42:003
849999604,32cyclictest0-21swapper/310:07:223
849899603,49cyclictest0-21swapper/208:52:152
248599600,5rtkit-daemon2484-21rtkit-daemon07:54:263
248599600,4rtkit-daemon2484-21rtkit-daemon05:44:393
158412603,19sleep30-21swapper/308:39:453
849999596,27cyclictest0-21swapper/308:27:033
849999596,27cyclictest0-21swapper/308:27:033
849999594,30cyclictest0-21swapper/307:57:073
849999594,29cyclictest0-21swapper/309:12:223
849999594,29cyclictest0-21swapper/309:12:223
849999594,29cyclictest0-21swapper/307:49:093
849999594,28cyclictest0-21swapper/309:42:143
8499995921,14cyclictest0-21swapper/309:30:273
8499995913,23cyclictest0-21swapper/308:07:493
8499995912,28cyclictest0-21swapper/308:52:083
849999586,26cyclictest1419-21runrttasks10:47:243
849999585,23cyclictest0-21swapper/309:08:233
849999585,23cyclictest0-21swapper/309:08:233
8499995841,11cyclictest19007-21gltestperf09:32:093
849999584,31cyclictest0-21swapper/308:12:063
849999584,26cyclictest0-21swapper/308:56:553
849999583,30cyclictest0-21swapper/309:04:293
849999583,26cyclictest0-21swapper/306:17:223
8499995824,15cyclictest0-21swapper/310:40:543
8499995821,12cyclictest0-21swapper/306:41:573
8499995821,10cyclictest11775-21ssh09:22:043
8499995819,12cyclictest0-21swapper/307:32:183
8499995818,13cyclictest0-21swapper/308:32:563
8499995817,13cyclictest0-21swapper/305:51:593
8499995816,23cyclictest29002-21aten_r1power_en07:22:063
8499995816,14cyclictest0-21swapper/308:48:023
849899583,37cyclictest0-21swapper/208:42:072
248599580,7rtkit-daemon2484-21rtkit-daemon10:57:043
849999575,28cyclictest0-21swapper/306:22:193
849999574,26cyclictest0-21swapper/309:37:593
849999573,27cyclictest0-21swapper/310:16:543
8499995720,9cyclictest1075-21diskmemload10:02:043
8499995719,12cyclictest0-21swapper/306:42:183
8499995713,23cyclictest0-21swapper/309:50:123
849899573,48cyclictest0-21swapper/208:47:282
849999565,28cyclictest0-21swapper/307:07:153
849999565,28cyclictest0-21swapper/306:47:273
849999565,28cyclictest0-21swapper/306:07:243
849999565,23cyclictest0-21swapper/306:35:343
849999564,28cyclictest0-21swapper/308:04:543
849999564,27cyclictest0-21swapper/305:56:593
849999564,25cyclictest0-21swapper/307:43:563
849999564,25cyclictest0-21swapper/307:43:563
849899563,12cyclictest0-21swapper/210:02:052
8498995626,14cyclictest0-21swapper/210:42:192
849999554,31cyclictest0-21swapper/306:52:103
849899554,46cyclictest0-21swapper/208:00:482
849899553,45cyclictest481-21jbd2/sda2-806:21:582
849899553,12cyclictest0-21swapper/208:57:062
185952553,6sleep218598-21ssh10:19:412
849899543,44cyclictest3442-21ssh07:33:032
849899543,26cyclictest0-21swapper/208:26:522
248599540,5rtkit-daemon2484-21rtkit-daemon07:12:133
849999534,27cyclictest0-21swapper/306:01:583
849999534,27cyclictest0-21swapper/305:32:193
849999534,27cyclictest0-21swapper/305:32:193
849999534,26cyclictest0-21swapper/307:27:063
8499995317,14cyclictest0-21swapper/306:27:193
849899533,45cyclictest0-21swapper/209:38:442
849899533,34cyclictest0-21swapper/208:29:182
849899533,34cyclictest0-21swapper/208:29:182
849399535,29cyclictest0-21swapper/005:37:160
849399534,43cyclictest0-21swapper/006:12:280
248599530,5rtkit-daemon2484-21rtkit-daemon09:48:222
849999525,26cyclictest19776-21cpuspeed_turbos07:02:103
849899524,43cyclictest10046-21runrttasks09:18:092
849899524,28cyclictest0-21swapper/207:53:002
849899523,44cyclictest0-21swapper/209:14:152
849899523,44cyclictest0-21swapper/209:14:152
849899523,28cyclictest0-21swapper/207:02:112
849899523,28cyclictest0-21swapper/206:07:322
248599520,4rtkit-daemon2484-21rtkit-daemon06:37:292
9042512,10sleep20-21swapper/207:30:062
849999514,27cyclictest0-21swapper/305:37:263
849899513,28cyclictest0-21swapper/207:12:122
849899513,27cyclictest0-21swapper/210:27:112
8498995118,26cyclictest12900-21switchtime09:22:222
8498995116,19cyclictest1075-21diskmemload07:39:132
849399513,24cyclictest0-21swapper/007:07:260
248599510,5rtkit-daemon2484-21rtkit-daemon06:27:302
248599510,4rtkit-daemon2484-21rtkit-daemon06:42:142
248599510,4rtkit-daemon2484-21rtkit-daemon06:32:222
240832514,40sleep00-21swapper/007:11:580
849999505,26cyclictest0-21swapper/307:00:383
849999505,26cyclictest0-21swapper/307:00:383
849899507,24cyclictest0-21swapper/209:30:332
849899503,27cyclictest0-21swapper/207:07:112
849899503,26cyclictest0-21swapper/210:55:042
849899502,31cyclictest0-21swapper/205:47:502
849399503,22cyclictest0-21swapper/006:42:120
248599500,4rtkit-daemon2484-21rtkit-daemon06:24:072
849899498,12cyclictest0-21swapper/210:47:002
849899493,27cyclictest0-21swapper/206:55:292
849399496,33cyclictest0-21swapper/005:42:090
248599490,5rtkit-daemon2484-21rtkit-daemon05:27:403
849899483,26cyclictest0-21swapper/205:57:352
849399483,38cyclictest0-21swapper/006:02:160
265702483,38sleep20-21swapper/207:17:082
143122472,9sleep20-21swapper/206:50:562
849399465,32cyclictest0-21swapper/005:32:110
849399465,32cyclictest0-21swapper/005:32:110
249512462,9sleep20-21swapper/206:04:002
849899453,37cyclictest0-21swapper/205:37:312
8498994515,12cyclictest0-21swapper/207:01:562
8498994515,12cyclictest0-21swapper/207:01:562
154552453,9sleep20-21swapper/205:44:332
849899443,13cyclictest0-21swapper/207:22:182
849899403,29cyclictest0-21swapper/205:32:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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