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2026-07-21 - 21:46

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 Tue Jul 21, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7675999715,14cyclictest0-21swapper/111:00:371
7675999622,51cyclictest0-21swapper/108:00:101
7675999622,51cyclictest0-21swapper/108:00:101
767599954,28cyclictest14873-21cpuspeed_turbos09:29:471
767599954,22cyclictest23447-21ls11:19:571
767599934,28cyclictest30541-21aten_r1power_po09:04:501
767599934,28cyclictest0-21swapper/108:47:551
767599934,25cyclictest0-21swapper/108:56:241
767599934,24cyclictest0-21swapper/110:12:151
219499930,7rtkit-daemon0-21swapper/106:51:261
219499930,6rtkit-daemon0-21swapper/108:09:001
219499930,6rtkit-daemon0-21swapper/107:56:531
219499930,6rtkit-daemon0-21swapper/107:56:531
219499930,6rtkit-daemon0-21swapper/107:41:241
219499930,6rtkit-daemon0-21swapper/107:13:171
767599924,26cyclictest0-21swapper/111:24:491
767599924,26cyclictest0-21swapper/111:24:491
767599924,24cyclictest0-21swapper/110:45:451
767599924,24cyclictest0-21swapper/110:45:451
767599924,24cyclictest0-21swapper/107:07:321
7670999218,66cyclictest1228-21latency_hist09:09:370
219499920,7rtkit-daemon0-21swapper/107:17:471
219499920,7rtkit-daemon0-21swapper/107:17:471
219499920,6rtkit-daemon0-21swapper/110:49:461
219499920,6rtkit-daemon0-21swapper/109:56:031
219499920,6rtkit-daemon0-21swapper/109:47:491
219499920,6rtkit-daemon0-21swapper/109:21:421
219499920,6rtkit-daemon0-21swapper/109:21:421
219499920,6rtkit-daemon0-21swapper/108:42:291
219499920,6rtkit-daemon0-21swapper/108:15:301
219499920,6rtkit-daemon0-21swapper/108:11:371
219499920,6rtkit-daemon0-21swapper/107:36:311
219499920,6rtkit-daemon0-21swapper/107:31:161
219499920,6rtkit-daemon0-21swapper/106:49:111
219499920,6rtkit-daemon0-21swapper/106:38:491
219499920,6rtkit-daemon0-21swapper/106:28:491
767599914,26cyclictest0-21swapper/110:24:401
219499910,6rtkit-daemon0-21swapper/110:43:011
219499910,6rtkit-daemon0-21swapper/110:16:251
219499910,6rtkit-daemon0-21swapper/110:05:401
219499910,6rtkit-daemon0-21swapper/109:41:341
219499910,6rtkit-daemon0-21swapper/109:35:491
219499910,6rtkit-daemon0-21swapper/109:28:341
219499910,6rtkit-daemon0-21swapper/109:00:431
219499910,6rtkit-daemon0-21swapper/108:51:361
219499910,6rtkit-daemon0-21swapper/108:36:591
219499910,6rtkit-daemon0-21swapper/108:36:591
219499910,6rtkit-daemon0-21swapper/108:32:371
219499910,6rtkit-daemon0-21swapper/108:27:591
219499910,6rtkit-daemon0-21swapper/108:20:371
219499910,6rtkit-daemon0-21swapper/107:52:081
219499910,6rtkit-daemon0-21swapper/107:26:471
219499910,6rtkit-daemon0-21swapper/107:19:471
219499910,6rtkit-daemon0-21swapper/107:02:331
219499910,6rtkit-daemon0-21swapper/106:56:031
219499910,6rtkit-daemon0-21swapper/106:30:341
219499910,6rtkit-daemon0-21swapper/106:30:341
219499910,6rtkit-daemon0-21swapper/106:24:191
7675999019,13cyclictest4739-21munin-node09:14:511
7670999014,59cyclictest0-21swapper/009:00:030
219499900,6rtkit-daemon0-21swapper/111:08:531
219499900,6rtkit-daemon0-21swapper/110:59:081
219499900,6rtkit-daemon0-21swapper/110:29:471
219499900,6rtkit-daemon0-21swapper/110:20:321
219499900,6rtkit-daemon0-21swapper/110:04:331
219499900,6rtkit-daemon0-21swapper/109:11:351
219499900,6rtkit-daemon0-21swapper/106:44:031
767599895,21cyclictest4515-21ntp_states11:40:001
767599894,25cyclictest19626-21entropy11:14:481
7675998910,10cyclictest0-21swapper/111:38:161
219499890,6rtkit-daemon0-21swapper/110:35:171
219499890,6rtkit-daemon0-21swapper/107:49:381
767599884,22cyclictest0-21swapper/111:29:531
767599883,29cyclictest0-21swapper/111:10:001
7675998817,10cyclictest28767-21iostat_ios09:49:561
767599874,24cyclictest7802-21ntp_states11:44:581
767099865,74cyclictest0-21swapper/009:09:530
767099864,37cyclictest0-21swapper/010:28:520
767099825,71cyclictest0-21swapper/010:44:570
767099825,71cyclictest0-21swapper/010:44:570
767099825,56cyclictest19634-21unixbench_multi09:35:110
7670998221,41cyclictest21977-21munin-run06:49:420
767599819,63cyclictest0-21swapper/106:19:431
767099813,70cyclictest0-21swapper/011:15:540
7670998114,47cyclictest39861ssh10:50:020
767099806,66cyclictest0-21swapper/011:13:410
767099806,47cyclictest0-21swapper/009:44:440
767099805,68cyclictest0-21swapper/010:23:080
767099805,68cyclictest0-21swapper/010:07:510
767099804,68cyclictest0-21swapper/011:44:540
767099803,38cyclictest0-21swapper/008:54:580
767099796,56cyclictest0-21swapper/008:24:530
767099795,59cyclictest1227-21runrttasks10:30:030
767099794,56cyclictest0-21swapper/009:26:350
767099794,55cyclictest1227-21runrttasks11:42:190
7670997930,41cyclictest14906-21sed08:39:570
7670997913,50cyclictest0-21swapper/011:37:480
767099786,65cyclictest0-21swapper/008:37:450
767099786,65cyclictest0-21swapper/008:37:450
767099785,66cyclictest0-21swapper/011:01:220
767099785,65cyclictest1124-21snmpd08:04:160
767099785,65cyclictest1124-21snmpd08:04:160
767099785,65cyclictest0-21swapper/010:39:500
767099785,65cyclictest0-21swapper/009:19:570
767099785,65cyclictest0-21swapper/009:19:570
767099784,52cyclictest2209-21cpuspeed09:59:460
767099784,51cyclictest1080-21lldpd07:19:510
767099776,64cyclictest0-21swapper/008:30:040
767099776,63cyclictest0-21swapper/008:45:070
767099776,53cyclictest0-21swapper/007:15:040
767099776,53cyclictest0-21swapper/007:15:040
767099775,55cyclictest0-21swapper/011:19:540
767099775,53cyclictest0-21swapper/009:33:070
7670997720,49cyclictest0-21swapper/010:39:260
7670997713,57cyclictest0-21swapper/006:50:140
767099769,49cyclictest0-21swapper/009:54:040
767099765,64cyclictest0-21swapper/010:55:270
767099765,64cyclictest0-21swapper/006:30:130
767099765,64cyclictest0-21swapper/006:30:130
767099765,56cyclictest12058-21kworker/0:110:15:080
767099764,65cyclictest1227-21runrttasks10:10:110
767099763,65cyclictest14282-21grep11:05:080
7670997614,42cyclictest0-21swapper/006:59:590
767099756,62cyclictest1124-21snmpd06:56:580
767099756,39cyclictest0-21swapper/011:30:000
767099755,63cyclictest0-21swapper/011:25:450
767099755,63cyclictest0-21swapper/011:25:450
767099755,63cyclictest0-21swapper/009:54:560
767099755,63cyclictest0-21swapper/008:50:190
767099753,64cyclictest2004-21seq08:20:070
7670997522,39cyclictest1124-21snmpd07:59:150
7670997522,39cyclictest1124-21snmpd07:59:150
7670997513,49cyclictest0-21swapper/009:42:330
767099746,53cyclictest0-21swapper/009:19:310
219499740,6rtkit-daemon16332-21ntp_states06:35:110
219499740,6rtkit-daemon1227-21runrttasks08:15:370
767099736,61cyclictest0-21swapper/007:40:050
7670997326,40cyclictest32387-21grep07:09:590
767099732,63cyclictest17923-21grep07:45:140
767099724,61cyclictest7968-21aten_r1power_fr06:19:540
7670997225,40cyclictest19115-21df_abs07:49:550
219499710,5rtkit-daemon4573-21nscd07:39:390
767099705,57cyclictest0-21swapper/007:29:570
767099703,54cyclictest0-21swapper/007:09:060
219499700,4rtkit-daemon29144-21munin-node08:10:000
7670996922,41cyclictest17657-21cpuspeed06:39:560
7670996824,37cyclictest7644-21crond06:19:420
7670996821,34cyclictest1124-21snmpd06:28:590
219499680,6rtkit-daemon0-21swapper/107:27:240
7670996722,40cyclictest26871-21load08:05:030
315842634,14sleep20-21swapper/210:44:442
315842634,14sleep20-21swapper/210:44:442
241512633,9sleep224152-21crond09:44:342
87342594,12sleep20-21swapper/209:19:552
87342594,12sleep20-21swapper/209:19:552
7678995820,24cyclictest14004-21aten_r1power_cu08:39:493
767799575,44cyclictest28468-21ntp_states09:00:052
767799572,50cyclictest0-21swapper/210:49:562
767899563,11cyclictest0-21swapper/309:04:543
7678995621,29cyclictest1105-21open_files11:35:003
98752555,14sleep20-21swapper/210:59:512
767799554,44cyclictest0-21swapper/210:25:122
136492553,44sleep30-21swapper/309:27:063
767899543,18cyclictest11501-21hwlatdetect08:34:583
767899543,18cyclictest11501-21hwlatdetect08:34:583
767799545,43cyclictest0-21swapper/210:10:082
767799545,42cyclictest3163-21yum-updatesd-he10:00:082
767799544,43cyclictest0-21swapper/209:30:092
767799544,43cyclictest0-21swapper/208:50:062
767799544,42cyclictest0-21swapper/209:55:092
767799543,45cyclictest0-21swapper/209:45:022
35932545,41sleep33718-21timerwakeupswit10:00:073
208132543,43sleep30-21swapper/309:39:233
767899534,42cyclictest0-21swapper/311:34:313
767799534,43cyclictest0-21swapper/208:29:122
767799534,42cyclictest0-21swapper/210:34:502
71392534,42sleep30-21swapper/309:17:143
27942532,9sleep30-21swapper/308:21:483
767899525,39cyclictest24520-21ssh10:33:403
767899524,41cyclictest5652-21expr10:04:463
767799524,42cyclictest0-21swapper/211:19:572
767799524,12cyclictest0-21swapper/211:29:522
767799523,42cyclictest0-21swapper/209:09:562
767799523,12cyclictest0-21swapper/209:50:042
148012522,10sleep30-21swapper/306:34:353
148012522,10sleep30-21swapper/306:34:353
767899514,13cyclictest0-21swapper/309:00:083
767899513,41cyclictest0-21swapper/311:24:413
767899513,41cyclictest0-21swapper/311:24:413
7678995123,9cyclictest6468-21cat07:24:413
767799514,41cyclictest0-21swapper/210:32:022
767799514,41cyclictest0-21swapper/207:24:582
767799514,40cyclictest6787-21mailstats10:05:022
767799514,40cyclictest0-21swapper/210:55:402
767799513,41cyclictest0-21swapper/211:15:482
767799512,45cyclictest0-21swapper/210:15:032
80182502,10sleep30-21swapper/310:56:093
7678995032,12cyclictest0-21swapper/308:56:183
767899503,41cyclictest11811-21ssh11:03:063
767899502,40cyclictest15138-21sshd10:19:363
7678995017,9cyclictest1227-21runrttasks11:44:213
767799504,40cyclictest0-21swapper/208:40:022
767799504,39cyclictest0-21swapper/208:54:522
767799503,42cyclictest0-21swapper/211:04:512
767799502,11cyclictest0-21swapper/208:38:522
767799502,11cyclictest0-21swapper/208:38:522
302662502,9sleep30-21swapper/308:14:183
114262505,37sleep20-21swapper/207:34:512
767899493,39cyclictest8851-21munin-node10:09:473
767899493,37cyclictest31435-21ssh09:54:483
767899492,40cyclictest1243-21kworker/3:008:30:593
767899492,38cyclictest3505-21ssh09:10:533
767799495,13cyclictest0-21swapper/210:39:432
7677994935,8cyclictest26095-21cpuspeed_turbos08:04:532
7677994933,9cyclictest27746-21grep06:59:582
7677994931,12cyclictest0-21swapper/211:44:432
767799493,40cyclictest0-21swapper/209:04:492
767799493,39cyclictest30519-21kworker/2:008:19:182
767799493,39cyclictest19283-21ssh08:45:332
767799493,32cyclictest0-21swapper/208:19:502
767799493,19cyclictest6049-21ntp_kernel_pll_09:15:032
63892492,10sleep20-21swapper/207:24:282
51142494,38sleep20-21swapper/211:40:182
228272492,10sleep30-21swapper/307:55:563
228272492,10sleep30-21swapper/307:55:563
767899484,38cyclictest0-21swapper/311:44:523
767899484,37cyclictest0-21swapper/311:09:433
767899483,39cyclictest32687-21diskmemload10:46:053
767899483,39cyclictest32687-21diskmemload10:46:053
767899483,39cyclictest0-21swapper/311:05:083
767899483,39cyclictest0-21swapper/309:44:463
767899483,38cyclictest6731-21ssh08:28:593
767899482,40cyclictest16070-21python09:30:043
767799484,39cyclictest0-21swapper/209:25:002
767799484,37cyclictest28550-21ssh11:29:152
767799484,37cyclictest28550-21ssh11:29:152
767799484,37cyclictest17882-21ssh11:11:062
7677994832,10cyclictest21282-21grep07:54:542
7677994832,10cyclictest21282-21grep07:54:542
7677994832,10cyclictest10598-21grep06:24:562
767799483,26cyclictest1227-21runrttasks08:31:472
169792483,10sleep20-21swapper/206:36:562
14832483,38sleep20-21swapper/207:14:322
146582482,9sleep30-21swapper/310:18:373
110242482,9sleep30-21swapper/309:24:363
110242482,9sleep30-21swapper/309:24:363
98102473,10sleep20-21swapper/206:21:452
767899479,31cyclictest32687-21diskmemload10:51:383
7678994732,9cyclictest16255-21needreboot06:35:093
767899473,38cyclictest20033-21ssh08:48:313
767899473,37cyclictest32687-21diskmemload10:40:083
767899473,37cyclictest27310-21ssh10:36:453
7678994722,8cyclictest30906-21cat09:54:353
767799475,37cyclictest0-21swapper/211:36:552
7677994734,8cyclictest23874-21unixbench-2d06:50:152
7677994733,9cyclictest18723-21head09:34:562
7677994732,9cyclictest29052-21hwlatdetect08:09:592
7677994732,9cyclictest26262-21unixbench-2d06:55:162
767799473,38cyclictest17439-21ssh10:21:412
767799472,40cyclictest12-21rcu_preempt07:40:002
252452472,10sleep30-21swapper/308:01:163
252452472,10sleep30-21swapper/308:01:163
230912472,9sleep30-21swapper/309:40:283
214682472,38sleep30-21swapper/311:17:183
203862472,38sleep30-21swapper/310:25:223
87682462,10sleep30-21swapper/307:29:163
767899463,35cyclictest0-21swapper/311:21:363
767899462,39cyclictest22197-21sed08:50:093
7678994619,8cyclictest16018-21cat07:44:393
767799464,24cyclictest2742-21gltestperf07:15:022
767799464,24cyclictest2742-21gltestperf07:15:022
7677994631,10cyclictest19466-21gltestperf07:49:592
290442462,10sleep30-21swapper/307:03:413
98732452,9sleep30-21swapper/306:22:343
767799454,35cyclictest0-21swapper/207:05:152
7677994531,8cyclictest9874-21grep07:30:012
319302452,10sleep30-21swapper/308:15:073
314462452,9sleep30-21swapper/307:08:573
203902452,36sleep30-21swapper/307:50:163
182462452,9sleep30-21swapper/307:48:273
767899443,9cyclictest20411-21forks06:44:593
767799443,35cyclictest24383-21yum-updatesd-he08:00:022
767799443,35cyclictest24383-21yum-updatesd-he08:00:022
278782442,9sleep30-21swapper/308:09:313
767899433,35cyclictest0-21swapper/306:55:103
767899433,34cyclictest0-21swapper/306:49:563
767799435,33cyclictest0-21swapper/206:34:002
767799435,33cyclictest0-21swapper/206:34:002
7677994317,12cyclictest0-21swapper/206:45:072
132402433,10sleep30-21swapper/307:35:213
767899422,35cyclictest0-21swapper/306:25:183
7677994227,9cyclictest17120-21wc07:45:012
195482422,34sleep30-21swapper/306:44:193
767899414,31cyclictest1748-21munin-node07:15:183
767899414,31cyclictest1748-21munin-node07:15:183
767799412,34cyclictest0-21swapper/206:39:522
767899401,34cyclictest0-21swapper/307:09:533
767899392,32cyclictest0-21swapper/307:30:083
76402376,23sleep30-21swapper/306:19:403
7677993118,7cyclictest7657-21latency_hist06:19:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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