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2026-05-19 - 22:59

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 Tue May 19, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
467099965,38cyclictest0-21swapper/007:28:210
467099914,34cyclictest0-21swapper/008:54:550
4670999121,13cyclictest0-21swapper/008:17:190
4670999121,13cyclictest0-21swapper/008:17:190
4670999117,21cyclictest0-21swapper/007:01:060
467099904,32cyclictest0-21swapper/009:57:150
467099873,21cyclictest0-21swapper/007:33:530
4670998725,12cyclictest0-21swapper/008:13:110
248599870,6rtkit-daemon2484-21rtkit-daemon06:53:200
248599870,6rtkit-daemon2484-21rtkit-daemon06:53:200
467099854,34cyclictest0-21swapper/009:03:280
467099854,34cyclictest0-21swapper/009:03:280
7502810,5sleep20-21swapper/206:47:102
248599810,27rtkit-daemon28214-21yum-updatesd-he05:28:231
248599810,27rtkit-daemon28214-21yum-updatesd-he05:28:231
248599700,8rtkit-daemon0-21swapper/005:02:321
248599670,7rtkit-daemon0-21swapper/007:00:422
209712670,5sleep020972-21wc09:37:260
467699636,50cyclictest29703-21diskmemload06:42:093
248599630,7rtkit-daemon0-21swapper/005:53:301
248599620,6rtkit-daemon0-21swapper/005:17:391
4676996128,27cyclictest0-21swapper/307:01:533
467599594,49cyclictest0-21swapper/208:17:212
467599594,49cyclictest0-21swapper/208:17:212
4675995912,40cyclictest7614-21sed07:42:262
248599590,4rtkit-daemon15-21rcuc/008:43:531
467699584,46cyclictest0-21swapper/308:02:173
467699583,48cyclictest29703-21diskmemload06:52:263
467699583,48cyclictest29703-21diskmemload06:52:263
467599588,43cyclictest0-21swapper/208:16:582
467599586,46cyclictest0-21swapper/208:57:352
467599582,50cyclictest1200-21grep07:32:362
4675995812,39cyclictest19896-21latency07:12:322
467499586,27cyclictest1419-21runrttasks09:47:141
248599580,5rtkit-daemon0-21swapper/005:45:451
467699575,44cyclictest55951ssh07:39:033
467699575,44cyclictest55951ssh07:39:033
467699573,46cyclictest0-21swapper/308:24:073
467599576,45cyclictest0-21swapper/206:56:512
467599576,45cyclictest0-21swapper/206:56:512
467599573,48cyclictest0-21swapper/207:05:462
4675995715,36cyclictest1419-21runrttasks09:05:012
4675995715,36cyclictest1419-21runrttasks09:05:012
4675995714,37cyclictest29199-21cpuspeed_turbos07:27:242
4675995713,37cyclictest0-21swapper/206:21:112
4674995725,13cyclictest0-21swapper/104:57:421
4674995721,17cyclictest0-21swapper/107:42:391
4674995718,31cyclictest21236-21proc_pri09:37:301
467099574,36cyclictest0-21swapper/007:02:260
248599570,6rtkit-daemon0-21swapper/004:43:171
248599570,6rtkit-daemon0-21swapper/004:43:171
248599570,19rtkit-daemon2484-21rtkit-daemon08:35:233
4676995612,37cyclictest31961-21crond07:32:083
4676995610,39cyclictest6679-21cpuspeed_turbos09:17:173
467599569,39cyclictest0-21swapper/208:45:462
467599568,42cyclictest0-21swapper/209:47:212
467599565,44cyclictest18626-21cpuspeed_turbos08:47:202
467599564,46cyclictest0-21swapper/210:02:242
467599563,46cyclictest0-21swapper/209:28:142
4675995611,39cyclictest1419-21runrttasks08:56:472
4675995610,12cyclictest0-21swapper/206:47:112
467499568,34cyclictest0-21swapper/107:57:521
467499565,37cyclictest0-21swapper/107:20:571
4674995617,24cyclictest4024-21latency09:12:281
282322564,13sleep20-21swapper/205:28:322
282322564,13sleep20-21swapper/205:28:322
248599560,6rtkit-daemon0-21swapper/005:07:241
130972563,45sleep113100-21ssh07:51:511
467699555,14cyclictest0-21swapper/307:22:193
467599558,40cyclictest3553-21ssh08:23:372
467599555,44cyclictest0-21swapper/208:09:582
467599553,47cyclictest0-21swapper/209:52:342
4675995513,14cyclictest1419-21runrttasks09:07:312
4675995512,37cyclictest0-21swapper/210:02:032
467499557,26cyclictest0-21swapper/106:22:221
467499555,16cyclictest0-21swapper/108:12:511
467499554,33cyclictest0-21swapper/107:54:001
4674995512,26cyclictest28595-21latency_hist07:27:091
248599550,6rtkit-daemon2484-21rtkit-daemon06:07:293
128612553,45sleep11287-21snmpd06:05:551
467699549,38cyclictest25943-21runrttasks09:45:363
467699548,39cyclictest29626-21ssh08:15:353
467699545,41cyclictest1949-21ssh09:09:563
467699544,43cyclictest0-21swapper/307:21:503
467599546,42cyclictest0-21swapper/209:12:382
467599546,42cyclictest0-21swapper/207:10:572
467599544,44cyclictest0-21swapper/209:22:092
467599544,10cyclictest20296-21aten2.4-expect08:02:172
467599543,44cyclictest0-21swapper/209:42:152
467499545,15cyclictest0-21swapper/107:41:461
467499545,15cyclictest0-21swapper/107:41:461
4674995423,12cyclictest6826-21yum-updatesd-he08:28:181
4674995410,26cyclictest0-21swapper/104:52:261
467099544,35cyclictest0-21swapper/008:57:530
248599540,5rtkit-daemon2484-21rtkit-daemon09:27:293
177772543,44sleep10-21swapper/107:09:431
467699539,38cyclictest1419-21runrttasks07:53:223
467699534,42cyclictest216691ssh08:52:063
467699534,42cyclictest0-21swapper/307:10:143
4676995335,11cyclictest16467-21gltestperf06:12:303
4676995335,11cyclictest16467-21gltestperf06:12:303
467699533,43cyclictest0-21swapper/305:42:123
467599537,40cyclictest0-21swapper/208:38:592
467599535,43cyclictest0-21swapper/207:40:462
467599535,43cyclictest0-21swapper/207:40:462
4675995312,34cyclictest0-21swapper/207:22:272
4675995312,24cyclictest0-21swapper/207:52:272
4675995311,13cyclictest11811-21crond04:57:142
4675995310,36cyclictest21450-21ls09:37:342
467499535,29cyclictest0-21swapper/109:12:041
467499535,14cyclictest0-21swapper/108:26:381
467499534,37cyclictest0-21swapper/107:27:581
467499534,33cyclictest23262-21switchtime08:52:361
467499534,30cyclictest0-21swapper/109:42:211
4674995319,27cyclictest5119-21fschecks_count10:02:211
4674995316,22cyclictest17600-21sort09:32:281
467099534,41cyclictest0-21swapper/007:42:220
467099534,33cyclictest0-21swapper/007:51:550
4670995337,10cyclictest27576-21grep05:27:380
4670995337,10cyclictest27576-21grep05:27:380
467099533,37cyclictest0-21swapper/010:05:360
248599530,5rtkit-daemon2484-21rtkit-daemon09:24:063
248599530,5rtkit-daemon2484-21rtkit-daemon06:02:223
221852533,43sleep00-21swapper/008:03:030
175182532,9sleep00-21swapper/006:14:200
175182532,9sleep00-21swapper/006:14:200
6862523,42sleep10-21swapper/107:32:281
467699529,35cyclictest20339-21ssh08:48:063
467699528,37cyclictest0-21swapper/307:02:283
467699528,37cyclictest0-21swapper/304:52:263
467699527,38cyclictest0-21swapper/310:00:243
467699523,42cyclictest0-21swapper/309:02:323
467699523,42cyclictest0-21swapper/309:02:323
467699523,41cyclictest0-21swapper/309:52:193
4676995211,33cyclictest0-21swapper/309:49:013
4676995210,20cyclictest1681-21nscd08:42:353
467599529,37cyclictest18839-21runrttasks07:58:092
467599525,41cyclictest0-21swapper/209:32:402
467599525,40cyclictest18074-21taskset05:07:392
467499526,37cyclictest24648-21irqstats08:07:311
467499525,33cyclictest0-21swapper/106:53:401
467499525,33cyclictest0-21swapper/106:53:401
467499525,28cyclictest0-21swapper/107:02:371
467499525,14cyclictest0-21swapper/109:57:531
4674995221,13cyclictest31483-21latency08:17:311
4674995221,13cyclictest31483-21latency08:17:311
4674995218,21cyclictest0-21swapper/106:57:291
467099528,26cyclictest0-21swapper/009:27:120
467099524,35cyclictest0-21swapper/008:29:060
467099524,34cyclictest0-21swapper/007:41:230
467099524,34cyclictest0-21swapper/007:41:230
467099524,31cyclictest0-21swapper/009:37:040
467099524,30cyclictest0-21swapper/008:32:180
467099523,37cyclictest0-21swapper/008:24:090
467099523,33cyclictest29703-21diskmemload09:11:430
467099523,10cyclictest1287-21snmpd09:56:320
4670995222,13cyclictest0-21swapper/010:09:050
288652523,10sleep10-21swapper/109:02:211
288652523,10sleep10-21swapper/109:02:211
200722523,10sleep00-21swapper/007:12:360
467699515,40cyclictest0-21swapper/307:46:403
467699515,24cyclictest0-21swapper/310:02:233
467699514,40cyclictest7904-21crond08:32:063
467699513,42cyclictest0-21swapper/310:09:473
467599516,39cyclictest1419-21runrttasks05:12:412
467599515,40cyclictest0-21swapper/209:17:172
467599514,40cyclictest0-21swapper/207:17:292
467599513,41cyclictest0-21swapper/208:32:322
467499515,28cyclictest0-21swapper/108:37:331
467499515,28cyclictest0-21swapper/105:57:471
467499514,38cyclictest15082-21yum-updatesd-he09:28:131
467499514,28cyclictest0-21swapper/105:37:351
467499514,25cyclictest0-21swapper/106:49:151
467499514,13cyclictest0-21swapper/105:26:031
467499513,42cyclictest0-21swapper/108:02:121
467099515,28cyclictest0-21swapper/005:12:340
467099514,30cyclictest0-21swapper/008:45:300
467099514,26cyclictest0-21swapper/009:51:120
467099514,26cyclictest0-21swapper/005:52:250
4670995136,9cyclictest16151-21sed07:07:280
467099513,19cyclictest25356-21taskset09:43:280
4670995122,12cyclictest0-21swapper/008:39:430
467699506,15cyclictest0-21swapper/309:33:283
467699505,39cyclictest0-21swapper/308:11:593
4676995035,9cyclictest8476-21head04:47:403
4676995035,9cyclictest12927-21gltestperf04:57:343
467699502,42cyclictest0-21swapper/306:47:113
467599506,38cyclictest0-21swapper/208:27:292
467599506,38cyclictest0-21swapper/204:42:332
467599506,38cyclictest0-21swapper/204:42:332
4675995032,12cyclictest0-21swapper/210:07:162
467599503,10cyclictest10409-21cpuspeed_turbos07:47:222
4675995025,8cyclictest15359-21latency_hist06:12:122
467499505,28cyclictest0-21swapper/106:07:291
467499504,29cyclictest0-21swapper/110:07:231
467499504,28cyclictest0-21swapper/109:52:321
467499504,28cyclictest0-21swapper/109:17:151
467499504,28cyclictest0-21swapper/108:52:061
467499503,34cyclictest0-21swapper/108:57:191
467499503,27cyclictest0-21swapper/109:22:161
4674995024,12cyclictest0-21swapper/106:43:281
4674995020,12cyclictest0-21swapper/108:34:051
467099504,40cyclictest0-21swapper/006:30:520
467099504,25cyclictest0-21swapper/007:17:210
467099504,12cyclictest0-21swapper/005:01:000
467099503,41cyclictest0-21swapper/006:46:460
467099503,35cyclictest27888-21ssh07:24:380
467099503,25cyclictest0-21swapper/005:42:260
35902503,41sleep00-21swapper/006:49:350
467699499,34cyclictest1899-21gltestperf06:47:303
467699499,34cyclictest0-21swapper/308:38:193
467699498,34cyclictest4565-21hwlatdetect05:47:333
467699497,35cyclictest0-21swapper/307:49:283
467699496,35cyclictest0-21swapper/307:59:033
467699494,39cyclictest32238-21munin-node07:32:333
467699494,38cyclictest5630-21ssh09:15:363
467699494,37cyclictest19206-21chrt05:12:203
467699494,37cyclictest0-21swapper/309:37:153
467699493,38cyclictest27035-21ssh08:57:543
467599496,37cyclictest0-21swapper/205:52:282
4675994933,10cyclictest1916-21tune2fs05:42:322
4675994920,11cyclictest5806-21latency_hist05:52:122
467499494,27cyclictest0-21swapper/107:12:311
467099496,27cyclictest0-21swapper/008:47:180
467099495,28cyclictest0-21swapper/008:07:240
467099495,27cyclictest0-21swapper/005:22:240
467099494,40cyclictest0-21swapper/007:55:120
467099494,28cyclictest0-21swapper/005:57:410
467099494,28cyclictest0-21swapper/005:37:280
467099494,28cyclictest0-21swapper/005:17:300
467099494,12cyclictest0-21swapper/009:14:460
467099493,25cyclictest0-21swapper/009:21:030
4670994925,11cyclictest0-21swapper/006:06:360
4670994920,12cyclictest0-21swapper/005:07:280
247142493,39sleep10-21swapper/106:29:491
176612493,40sleep10-21swapper/106:16:111
176612493,40sleep10-21swapper/106:16:111
93682483,38sleep10-21swapper/104:51:351
467699485,37cyclictest20528-21runrttasks06:22:233
4676994832,10cyclictest10129-21sed05:57:463
467699483,38cyclictest29282-21df_abs05:32:283
4676994810,32cyclictest31520-21wc08:17:323
4676994810,32cyclictest31520-21wc08:17:323
467599482,40cyclictest0-21swapper/206:22:222
467599482,39cyclictest0-21swapper/206:32:232
467499483,24cyclictest0-21swapper/106:37:231
467099484,27cyclictest0-21swapper/006:22:280
467099484,27cyclictest0-21swapper/005:32:270
467099484,27cyclictest0-21swapper/004:47:340
467099484,27cyclictest0-21swapper/004:42:310
467099484,27cyclictest0-21swapper/004:42:310
467099483,27cyclictest0-21swapper/009:22:360
467099483,26cyclictest0-21swapper/007:58:090
4670994819,12cyclictest0-21swapper/006:37:380
4670994819,12cyclictest0-21swapper/005:47:320
251402483,11sleep10-21swapper/106:32:231
467699475,36cyclictest18987-21munin-run05:12:133
467599476,35cyclictest7274-21munin-node04:47:392
467599475,14cyclictest384-21tail05:37:442
467599475,10cyclictest10050-21runrttasks05:57:462
4675994732,10cyclictest29127-21cpuspeed_turbos05:32:272
467499475,25cyclictest0-21swapper/105:50:101
467499472,41cyclictest0-21swapper/106:20:541
4674994719,12cyclictest0-21swapper/105:36:041
467099474,26cyclictest0-21swapper/006:07:320
467099474,24cyclictest0-21swapper/006:17:220
467099474,24cyclictest0-21swapper/004:52:260
248599470,5rtkit-daemon2484-21rtkit-daemon06:27:433
467699466,34cyclictest0-21swapper/305:07:093
467699463,36cyclictest0-21swapper/305:57:123
4676994628,11cyclictest0-21swapper/305:22:133
4676994615,7cyclictest0-21swapper/307:12:273
467599467,34cyclictest0-21swapper/205:22:302
467599464,35cyclictest1419-21runrttasks06:32:052
4670994633,8cyclictest16130-21unixbench_multi05:02:460
4670994631,10cyclictest25479-21cpuspeed_turbos06:32:260
467599456,34cyclictest0-21swapper/205:17:262
4675994529,11cyclictest15906-21grep06:12:252
4675994529,11cyclictest15906-21grep06:12:252
4675994528,12cyclictest0-21swapper/205:02:312
270852452,9sleep30-21swapper/306:34:223
260942452,9sleep30-21swapper/305:26:483
467599445,33cyclictest0-21swapper/206:37:282
467599444,34cyclictest0-21swapper/206:07:112
467499445,24cyclictest0-21swapper/105:12:231
43572444,6sleep20-21swapper/204:38:402
282382442,9sleep30-21swapper/305:28:373
282382442,9sleep30-21swapper/305:28:373
467699433,34cyclictest0-21swapper/304:42:263
467699433,34cyclictest0-21swapper/304:42:263
4675994328,10cyclictest12684-21tune2fs04:57:322
248599430,4rtkit-daemon2484-21rtkit-daemon06:18:293
4676994225,12cyclictest0-21swapper/304:42:163
35002424,31sleep10-21swapper/104:37:341
467699416,28cyclictest0-21swapper/305:42:263
43752404,31sleep00-21swapper/004:38:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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