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2026-07-11 - 20:04

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 Jul 11, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
283021180,7sleep02829-21grep10:04:330
283021180,7sleep02829-21grep10:04:330
8140999624,14cyclictest0-21swapper/010:38:560
814099954,84cyclictest0-21swapper/011:39:280
814099914,26cyclictest0-21swapper/010:31:160
814099914,16cyclictest0-21swapper/006:44:190
219499910,13rtkit-daemon2193-21rtkit-daemon06:34:263
8140999010,72cyclictest0-21swapper/008:34:180
814099894,77cyclictest0-21swapper/010:49:140
814099894,32cyclictest0-21swapper/010:46:470
814099884,35cyclictest17451-21proc_pri11:14:250
814099884,32cyclictest0-21swapper/009:29:030
814099884,32cyclictest0-21swapper/009:29:030
814099875,11cyclictest0-21swapper/009:49:170
814099874,75cyclictest0-21swapper/008:31:220
814099874,32cyclictest0-21swapper/008:54:180
814099874,31cyclictest0-21swapper/009:44:200
814099874,12cyclictest0-21swapper/008:49:550
8140998722,11cyclictest1295-21unixbench_multi09:14:350
814099865,25cyclictest0-21swapper/010:59:310
814099864,31cyclictest0-21swapper/009:34:210
814099864,31cyclictest0-21swapper/009:25:270
814099864,31cyclictest0-21swapper/009:25:270
814099864,12cyclictest0-21swapper/011:44:460
814099864,12cyclictest0-21swapper/009:04:010
814099863,32cyclictest0-21swapper/008:39:220
814099863,29cyclictest4176-21yum-updatesd-he10:09:110
814099863,29cyclictest4176-21yum-updatesd-he10:09:110
8140998617,7cyclictest692-21diskmemload10:39:110
8140998611,31cyclictest0-21swapper/009:54:330
814099854,35cyclictest0-21swapper/009:59:200
814099854,25cyclictest0-21swapper/010:27:540
814099854,12cyclictest0-21swapper/010:23:370
814099853,35cyclictest0-21swapper/011:54:090
8140998524,9cyclictest1227-21runrttasks07:09:170
814099844,37cyclictest0-21swapper/009:09:310
814099844,34cyclictest0-21swapper/011:19:190
814099844,32cyclictest0-21swapper/011:29:190
814099844,32cyclictest0-21swapper/011:29:190
814099844,31cyclictest0-21swapper/008:44:350
814099844,31cyclictest0-21swapper/008:44:350
814099844,31cyclictest0-21swapper/007:24:370
814099844,31cyclictest0-21swapper/007:24:370
814099844,30cyclictest0-21swapper/011:53:370
814099843,12cyclictest0-21swapper/010:54:240
8140998417,10cyclictest107550irq/46-eth011:25:120
814099835,34cyclictest0-21swapper/011:09:530
814099834,12cyclictest0-21swapper/009:19:290
814099834,11cyclictest0-21swapper/011:05:350
814099833,26cyclictest0-21swapper/009:39:330
8140998323,10cyclictest8730-21cpuspeed_turbos06:29:210
8140998228,13cyclictest0-21swapper/006:49:200
8140998223,12cyclictest0-21swapper/011:34:080
814099814,32cyclictest0-21swapper/009:04:240
814099814,11cyclictest0-21swapper/010:14:240
8140998120,13cyclictest0-21swapper/007:14:200
814099804,30cyclictest15162-21gltestperf07:49:220
814099803,31cyclictest17940-21ntp_offset07:54:300
8140998021,11cyclictest22459-21systemd-cgroups06:59:060
814099795,9cyclictest0-21swapper/007:04:190
814099793,33cyclictest0-21swapper/007:59:280
8140997919,16cyclictest29885-21ntpq08:19:300
814099784,34cyclictest0-21swapper/008:04:210
8140997728,10cyclictest8330-21strings07:34:290
219499740,25rtkit-daemon2193-21rtkit-daemon06:29:333
814099714,31cyclictest0-21swapper/008:14:150
814099693,30cyclictest23584-21yum-updatesd-he08:09:130
814599674,55cyclictest0-21swapper/206:49:372
128602670,10sleep1201ktimersoftd/108:44:311
128602670,10sleep1201ktimersoftd/108:44:311
814599654,52cyclictest0-21swapper/208:54:192
814599653,54cyclictest12400-21missed_timers10:19:232
814699644,39cyclictest0-21swapper/309:57:553
8146996424,20cyclictest30164-21cat09:09:333
8144996446,8cyclictest30028-21ssh09:59:101
8144996432,10cyclictest24361-21kernelversion09:49:241
8144996328,13cyclictest32278-21fschecks_time10:49:161
236952633,12sleep20-21swapper/206:59:282
219499630,5rtkit-daemon2193-21rtkit-daemon07:39:163
17782632,54sleep20-21swapper/207:21:252
814699625,48cyclictest0-21swapper/309:14:203
814599624,50cyclictest0-21swapper/209:54:322
814599623,51cyclictest0-21swapper/211:49:252
814599623,51cyclictest0-21swapper/211:08:572
814599623,51cyclictest0-21swapper/210:29:092
814599623,51cyclictest0-21swapper/209:49:172
814599623,51cyclictest0-21swapper/208:09:102
8144996245,12cyclictest0-21swapper/110:24:231
8144996221,23cyclictest7721-21cut11:49:101
640726214,40sleep20-21swapper/209:24:122
640726214,40sleep20-21swapper/209:24:122
814599614,49cyclictest0-21swapper/211:39:182
814599614,48cyclictest0-21swapper/209:34:162
814599613,51cyclictest0-21swapper/211:34:202
814599613,50cyclictest334-21grep09:14:202
814599613,50cyclictest0-21swapper/210:54:212
814599613,50cyclictest0-21swapper/210:09:022
814599613,50cyclictest0-21swapper/210:09:022
814599613,50cyclictest0-21swapper/209:59:162
814599613,50cyclictest0-21swapper/209:19:232
814599613,50cyclictest0-21swapper/209:04:352
8146996029,12cyclictest21406-21logger11:19:553
814599604,49cyclictest0-21swapper/209:39:312
814599604,48cyclictest0-21swapper/210:44:202
814599604,48cyclictest0-21swapper/209:09:312
814599603,50cyclictest0-21swapper/208:59:252
814599603,49cyclictest0-21swapper/211:29:292
814599603,49cyclictest0-21swapper/211:29:292
188872603,49sleep30-21swapper/309:41:233
814699595,26cyclictest0-21swapper/311:09:253
8146995940,13cyclictest24693-21gltestperf08:09:223
814699593,28cyclictest0-21swapper/308:33:383
8146995917,12cyclictest0-21swapper/311:29:113
8146995917,12cyclictest0-21swapper/311:29:113
814599593,49cyclictest0-21swapper/211:44:112
814599593,49cyclictest0-21swapper/211:22:502
814599593,49cyclictest0-21swapper/210:39:522
814599593,49cyclictest0-21swapper/209:44:182
814599593,49cyclictest0-21swapper/208:34:282
814499595,36cyclictest0-21swapper/109:20:241
8144995922,32cyclictest8010-21aten_r1power_po08:39:131
149452593,11sleep10-21swapper/106:39:481
149452593,11sleep10-21swapper/106:39:481
814699585,32cyclictest0-21swapper/309:06:113
8146995829,11cyclictest1227-21runrttasks10:12:303
8146995829,11cyclictest1227-21runrttasks10:12:303
8146995822,10cyclictest28739-21kworker/3:111:14:243
814599584,46cyclictest0-21swapper/208:50:082
814599583,48cyclictest0-21swapper/210:17:012
814599583,47cyclictest0-21swapper/207:09:182
814499585,37cyclictest0-21swapper/109:03:071
8144995838,14cyclictest0-21swapper/109:06:351
8144995837,15cyclictest0-21swapper/109:48:181
8144995826,9cyclictest0-21swapper/107:49:031
219499580,5rtkit-daemon2193-21rtkit-daemon07:33:383
814699575,31cyclictest1227-21runrttasks10:32:143
814699575,30cyclictest0-21swapper/311:39:163
814699575,29cyclictest0-21swapper/310:24:283
8146995724,9cyclictest22418-21ssh10:34:203
814599577,43cyclictest692-21diskmemload11:14:252
814599574,46cyclictest9527-21ssh08:39:332
814599573,47cyclictest0-21swapper/207:39:232
8145995717,32cyclictest1547-21nscd10:24:212
8144995738,13cyclictest0-21swapper/109:27:051
8144995738,13cyclictest0-21swapper/109:27:051
814499573,47cyclictest0-21swapper/111:01:291
814499573,38cyclictest0-21swapper/108:49:341
8144995725,14cyclictest0-21swapper/110:09:121
8144995725,14cyclictest0-21swapper/110:09:121
214862573,11sleep10-21swapper/108:58:431
121242573,12sleep30-21swapper/311:07:543
8146995638,10cyclictest25985-21needreboot10:39:223
8146995621,14cyclictest0-21swapper/309:59:243
8146995621,13cyclictest0-21swapper/311:03:373
814599564,10cyclictest0-21swapper/211:55:242
8145995622,29cyclictest1227-21runrttasks07:54:152
814499565,42cyclictest0-21swapper/111:09:031
8144995636,14cyclictest0-21swapper/111:56:561
814499563,47cyclictest0-21swapper/108:32:071
8144995626,10cyclictest4199-21awk10:08:581
8144995626,10cyclictest4199-21awk10:08:581
8144995621,12cyclictest1227-21runrttasks11:41:341
8144995621,10cyclictest27668-21ssh10:43:241
8144995620,28cyclictest5908-21rt-features08:34:331
8144995618,20cyclictest10042-21cpuspeed09:29:141
8144995618,20cyclictest10042-21cpuspeed09:29:141
8144995616,22cyclictest9954-21tune2fs11:04:151
219499560,5rtkit-daemon2193-21rtkit-daemon11:34:073
814699555,29cyclictest0-21swapper/308:44:183
814699555,29cyclictest0-21swapper/308:44:183
814699555,26cyclictest0-21swapper/309:23:353
814699555,26cyclictest0-21swapper/308:36:573
814699554,28cyclictest0-21swapper/310:52:453
814699554,28cyclictest0-21swapper/309:24:183
814699554,28cyclictest0-21swapper/309:24:183
814699554,27cyclictest0-21swapper/311:49:283
814699554,27cyclictest0-21swapper/309:53:593
814699554,24cyclictest22585-21fschecks_time08:59:203
8146995522,13cyclictest0-21swapper/310:54:263
8146995521,14cyclictest0-21swapper/307:09:163
8146995520,13cyclictest0-21swapper/310:45:513
8146995520,13cyclictest0-21swapper/307:24:393
8146995520,13cyclictest0-21swapper/307:24:393
8146995519,13cyclictest0-21swapper/311:57:113
8146995519,13cyclictest0-21swapper/310:19:163
8146995518,13cyclictest0-21swapper/309:34:373
8146995518,13cyclictest0-21swapper/308:55:353
814599554,45cyclictest1227-21runrttasks11:03:352
814599554,44cyclictest2270-21ssh08:29:282
814499557,26cyclictest0-21swapper/110:45:051
8144995537,11cyclictest10111-21cut07:39:211
8144995527,13cyclictest0-21swapper/111:24:241
8144995523,13cyclictest28413-21if_err_eth007:09:271
8144995516,25cyclictest0-21swapper/109:40:311
8144995516,23cyclictest0-21swapper/111:36:411
219499550,5rtkit-daemon2193-21rtkit-daemon06:59:403
219499550,4rtkit-daemon2193-21rtkit-daemon11:44:063
814699546,26cyclictest0-21swapper/309:44:233
814699545,29cyclictest0-21swapper/307:14:353
814699545,28cyclictest0-21swapper/310:04:333
814699545,28cyclictest0-21swapper/310:04:333
814699545,28cyclictest0-21swapper/307:44:243
814699544,30cyclictest0-21swapper/308:39:143
814699544,27cyclictest0-21swapper/311:27:483
814699544,26cyclictest0-21swapper/308:14:323
8146995436,11cyclictest11040-21grep09:29:263
8146995436,11cyclictest11040-21grep09:29:263
8146995435,11cyclictest7941-21head07:34:233
8146995422,12cyclictest0-21swapper/307:04:193
8146995419,14cyclictest0-21swapper/308:52:183
8146995419,12cyclictest0-21swapper/308:07:183
814599543,8cyclictest20476-21sendmail_mailqu07:59:322
814599543,46cyclictest0-21swapper/210:36:402
814499545,39cyclictest0-21swapper/108:04:311
814499543,45cyclictest0-21swapper/111:15:051
8144995418,20cyclictest107550irq/46-eth009:09:131
814699535,28cyclictest0-21swapper/307:19:173
814699534,29cyclictest0-21swapper/306:39:303
814699534,29cyclictest0-21swapper/306:39:303
814699534,27cyclictest0-21swapper/306:59:073
814699534,27cyclictest0-21swapper/306:49:203
814699534,26cyclictest0-21swapper/308:22:213
814699534,26cyclictest0-21swapper/307:52:163
814699534,26cyclictest0-21swapper/306:44:163
8146995321,11cyclictest0-21swapper/310:14:013
8145995336,10cyclictest15200-21wc07:49:232
814599533,43cyclictest22892-21cut11:24:082
814599533,28cyclictest0-21swapper/209:29:212
814599533,28cyclictest0-21swapper/209:29:212
814499535,29cyclictest0-21swapper/110:36:101
814499534,29cyclictest0-21swapper/110:19:281
814499534,29cyclictest0-21swapper/106:49:281
814499534,24cyclictest0-21swapper/107:09:061
8144995332,14cyclictest15199-21hwlatdetect07:49:231
814499533,43cyclictest0-21swapper/109:36:421
8144995322,23cyclictest0-21swapper/108:09:131
8144995321,12cyclictest0-21swapper/110:54:201
8144995320,12cyclictest8450-21ssh10:14:151
8144995317,13cyclictest0-21swapper/111:31:451
8144995317,13cyclictest0-21swapper/111:31:451
8144995316,20cyclictest0-21swapper/107:54:151
80642534,6sleep00-21swapper/006:28:350
5192532,10sleep30-21swapper/308:26:563
814699524,28cyclictest0-21swapper/307:54:173
814599523,43cyclictest0-21swapper/208:04:222
814499527,27cyclictest0-21swapper/110:30:071
814499524,29cyclictest0-21swapper/108:19:251
814499524,29cyclictest0-21swapper/106:34:341
814499524,28cyclictest0-21swapper/106:59:321
814499524,26cyclictest0-21swapper/109:54:281
814499523,25cyclictest31090-21awk07:14:321
8144995220,25cyclictest8049-21ls07:34:251
8144995219,14cyclictest0-21swapper/109:14:231
8144995217,13cyclictest0-21swapper/111:45:161
8144995215,14cyclictest0-21swapper/107:19:201
8144995210,24cyclictest0-21swapper/108:29:011
221562523,42sleep10-21swapper/106:55:281
814699514,28cyclictest0-21swapper/307:59:273
814599515,25cyclictest0-21swapper/210:52:202
814599513,25cyclictest0-21swapper/206:39:062
8145995122,13cyclictest0-21swapper/210:04:112
8145995122,13cyclictest0-21swapper/210:04:112
814499515,27cyclictest0-21swapper/106:32:021
814499514,26cyclictest0-21swapper/111:20:261
814499513,26cyclictest0-21swapper/108:02:181
8144995120,11cyclictest0-21swapper/107:29:161
319032512,10sleep20-21swapper/207:18:062
814599503,42cyclictest0-21swapper/207:34:312
814599503,27cyclictest0-21swapper/211:10:102
306042502,10sleep20-21swapper/208:22:002
167822503,40sleep20-21swapper/206:44:332
814599493,30cyclictest0-21swapper/207:24:322
814599493,30cyclictest0-21swapper/207:24:322
814599493,27cyclictest0-21swapper/208:24:252
8145994915,28cyclictest1547-21nscd08:44:372
8145994915,28cyclictest1547-21nscd08:44:372
814499495,36cyclictest0-21swapper/107:24:241
814499495,36cyclictest0-21swapper/107:24:241
814499494,27cyclictest0-21swapper/106:47:051
282092493,40sleep10-21swapper/108:17:071
814599484,28cyclictest0-21swapper/207:44:332
271682483,10sleep20-21swapper/207:08:352
8145994733,8cyclictest10108-21grep06:29:412
814099474,27cyclictest0-21swapper/008:24:210
814599463,9cyclictest21096-21grep06:54:262
8145994618,12cyclictest0-21swapper/207:29:182
814699454,33cyclictest0-21swapper/306:29:073
8145994528,10cyclictest26571-21cpuspeed_turbos08:14:182
8140994431,8cyclictest9828-21cpuspeed_turbos07:39:170
814099443,34cyclictest0-21swapper/007:19:250
814099443,34cyclictest0-21swapper/006:39:100
814099443,34cyclictest0-21swapper/006:39:100
8145994324,12cyclictest0-21swapper/206:39:182
8145994324,12cyclictest0-21swapper/206:39:182
8144994314,12cyclictest0-21swapper/106:29:071
814099437,30cyclictest0-21swapper/007:29:160
814099424,33cyclictest0-21swapper/007:00:540
814099424,31cyclictest0-21swapper/006:39:070
814099415,30cyclictest0-21swapper/007:44:180
814599384,27cyclictest0-21swapper/206:29:072
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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