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2026-05-18 - 17:10

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #c, slot #8

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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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rackcslot8s.osadl.org (updated Mon May 18, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,5ptp4l0-21swapper/007:09:540
111391680,5ptp4l0-21swapper/007:09:530
111391620,5ptp4l0-21swapper/107:08:321
111391620,5ptp4l0-21swapper/107:08:321
2352026151,6sleep70-21swapper/707:06:517
2352026151,6sleep70-21swapper/707:06:507
1881916037,6phc2sys0-21swapper/407:05:074
1881916037,6phc2sys0-21swapper/407:05:064
111391560,5ptp4l0-21swapper/507:08:335
111391560,5ptp4l0-21swapper/507:08:335
2367925141,6sleep20-21swapper/207:08:542
2367925141,6sleep20-21swapper/207:08:532
111391490,2ptp4l0-21swapper/307:05:163
111391490,2ptp4l0-21swapper/307:05:163
142592460,0sleep70-21swapper/712:01:517
2362924535,6sleep60-21swapper/607:08:106
2362924535,6sleep60-21swapper/607:08:096
111391350,0ptp4l0-21swapper/011:10:180
111391340,0ptp4l0-21swapper/011:20:160
111391330,0ptp4l18504-21memory08:05:160
111391330,0ptp4l0-21swapper/310:06:393
111391330,0ptp4l0-21swapper/210:26:132
111391330,0ptp4l0-21swapper/009:28:590
111391320,0ptp4l0-21swapper/011:45:140
111391320,0ptp4l0-21swapper/009:41:560
111391320,0ptp4l0-21swapper/009:41:560
111391320,0ptp4l0-21swapper/009:10:530
111391310,0ptp4l0-21swapper/310:31:323
111391310,0ptp4l0-21swapper/012:35:350
111391310,0ptp4l0-21swapper/010:54:460
111391310,0ptp4l0-21swapper/010:28:250
111391300,1ptp4l17108-21ssh09:10:591
111391300,0ptp4l0-21swapper/409:26:044
111391300,0ptp4l0-21swapper/111:51:361
111391300,0ptp4l0-21swapper/009:36:590
111391300,0ptp4l0-21swapper/009:32:580
111391300,0ptp4l0-21swapper/009:15:120
111391300,0ptp4l0-21swapper/008:29:550
111391290,2ptp4l0-21swapper/010:43:170
111391290,0ptp4l0-21swapper/411:43:124
111391290,0ptp4l0-21swapper/312:37:563
111391290,0ptp4l0-21swapper/111:57:081
111391290,0ptp4l0-21swapper/111:38:461
111391290,0ptp4l0-21swapper/109:20:181
111391290,0ptp4l0-21swapper/010:49:100
111391290,0ptp4l0-21swapper/010:16:450
111391280,0ptp4l0-21swapper/012:11:560
111391280,0ptp4l0-21swapper/011:54:090
111391280,0ptp4l0-21swapper/009:52:380
111391270,0ptp4l0-21swapper/407:35:154
111391270,0ptp4l0-21swapper/110:16:291
111391270,0ptp4l0-21swapper/012:06:090
111391270,0ptp4l0-21swapper/011:15:020
111391270,0ptp4l0-21swapper/009:24:210
111391260,5ptp4l24723-21kworker/0:211:27:550
111391260,0ptp4l0-21swapper/411:35:354
111391260,0ptp4l0-21swapper/411:30:374
111391260,0ptp4l0-21swapper/411:15:114
111391260,0ptp4l0-21swapper/411:12:574
111391260,0ptp4l0-21swapper/410:21:134
111391260,0ptp4l0-21swapper/409:46:064
111391260,0ptp4l0-21swapper/408:00:144
111391260,0ptp4l0-21swapper/010:04:060
111391260,0ptp4l0-21swapper/009:57:490
111391260,0ptp4l0-21swapper/009:09:260
111391250,3ptp4l0-21swapper/009:01:400
111391250,2ptp4l0-21swapper/109:27:251
111391250,1ptp4l27174-21df12:20:155
111391250,1ptp4l27174-21df12:20:145
111391250,1ptp4l17289-21cat09:55:146
111391250,1ptp4l15722-21hddtemp_smartct08:00:130
111391250,0ptp4l0-21swapper/607:45:146
111391250,0ptp4l0-21swapper/411:50:344
111391250,0ptp4l0-21swapper/410:39:494
111391250,0ptp4l0-21swapper/409:41:174
111391250,0ptp4l0-21swapper/409:41:164
111391250,0ptp4l0-21swapper/409:10:424
111391250,0ptp4l0-21swapper/407:15:124
111391250,0ptp4l0-21swapper/112:30:151
111391250,0ptp4l0-21swapper/110:52:551
111391250,0ptp4l0-21swapper/012:33:080
111391250,0ptp4l0-21swapper/012:15:080
111391250,0ptp4l0-21swapper/010:20:310
111391250,0ptp4l0-21swapper/009:47:210
111391250,0ptp4l0-21swapper/008:30:160
111391240,1ptp4l32361-21irqstats07:25:164
111391240,1ptp4l20885-21diskstats10:00:124
111391240,1ptp4l15170-21latency_hist09:10:004
111391240,0ptp4l0-21swapper/707:50:177
111391240,0ptp4l0-21swapper/609:25:406
111391240,0ptp4l0-21swapper/608:50:106
111391240,0ptp4l0-21swapper/412:11:584
111391240,0ptp4l0-21swapper/412:03:254
111391240,0ptp4l0-21swapper/411:25:004
111391240,0ptp4l0-21swapper/411:21:154
111391240,0ptp4l0-21swapper/411:05:144
111391240,0ptp4l0-21swapper/410:25:124
111391240,0ptp4l0-21swapper/410:15:114
111391240,0ptp4l0-21swapper/409:35:174
111391240,0ptp4l0-21swapper/408:25:154
111391240,0ptp4l0-21swapper/408:15:164
111391240,0ptp4l0-21swapper/210:55:252
111391240,0ptp4l0-21swapper/112:01:431
111391240,0ptp4l0-21swapper/110:56:371
111391240,0ptp4l0-21swapper/110:11:401
111391240,0ptp4l0-21swapper/011:44:110
111391240,0ptp4l0-21swapper/011:31:400
111391240,0ptp4l0-21swapper/010:10:140
111391240,0ptp4l0-21swapper/008:40:200
111391240,0ptp4l0-21swapper/007:55:000
111391230,1ptp4l31107-21sh10:57:184
111391230,1ptp4l14244-21ps09:50:174
111391230,0ptp4l25880-21ls10:05:214
111391230,0ptp4l0-21swapper/609:10:166
111391230,0ptp4l0-21swapper/512:30:135
111391230,0ptp4l0-21swapper/510:57:465
111391230,0ptp4l0-21swapper/412:35:154
111391230,0ptp4l0-21swapper/412:25:184
111391230,0ptp4l0-21swapper/412:20:364
111391230,0ptp4l0-21swapper/412:20:354
111391230,0ptp4l0-21swapper/412:15:154
111391230,0ptp4l0-21swapper/412:05:164
111391230,0ptp4l0-21swapper/411:55:114
111391230,0ptp4l0-21swapper/411:45:124
111391230,0ptp4l0-21swapper/410:52:224
111391230,0ptp4l0-21swapper/410:45:554
111391230,0ptp4l0-21swapper/410:40:034
111391230,0ptp4l0-21swapper/410:33:564
111391230,0ptp4l0-21swapper/409:55:204
111391230,0ptp4l0-21swapper/409:30:184
111391230,0ptp4l0-21swapper/409:20:134
111391230,0ptp4l0-21swapper/409:16:294
111391230,0ptp4l0-21swapper/409:00:164
111391230,0ptp4l0-21swapper/408:55:174
111391230,0ptp4l0-21swapper/408:20:154
111391230,0ptp4l0-21swapper/408:10:124
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/407:10:174
111391230,0ptp4l0-21swapper/207:45:132
111391230,0ptp4l0-21swapper/110:03:061
111391230,0ptp4l0-21swapper/109:40:201
111391230,0ptp4l0-21swapper/109:40:191
111391230,0ptp4l0-21swapper/108:45:011
111391230,0ptp4l0-21swapper/107:55:111
111391230,0ptp4l0-21swapper/012:25:120
111391230,0ptp4l0-21swapper/012:00:170
111391230,0ptp4l0-21swapper/011:35:170
111391230,0ptp4l0-21swapper/011:00:140
111391230,0ptp4l0-21swapper/010:55:170
111391230,0ptp4l0-21swapper/010:37:080
111391230,0ptp4l0-21swapper/010:05:210
111391230,0ptp4l0-21swapper/008:50:010
111391230,0ptp4l0-21swapper/008:10:140
111391230,0ptp4l0-21swapper/007:45:180
111391230,0ptp4l0-21swapper/007:20:120
111391230,0ptp4l0-21swapper/007:10:210
111391220,1ptp4l30267-21ssh10:12:206
111391220,1ptp4l14816-21diskmemload10:11:105
111391220,0ptp4l0-21swapper/712:38:037
111391220,0ptp4l0-21swapper/712:16:527
111391220,0ptp4l0-21swapper/711:22:017
111391220,0ptp4l0-21swapper/711:08:367
111391220,0ptp4l0-21swapper/710:30:187
111391220,0ptp4l0-21swapper/710:06:307
111391220,0ptp4l0-21swapper/707:34:107
111391220,0ptp4l0-21swapper/611:14:236
111391220,0ptp4l0-21swapper/610:55:246
111391220,0ptp4l0-21swapper/610:30:166
111391220,0ptp4l0-21swapper/512:05:465
111391220,0ptp4l0-21swapper/511:50:005
111391220,0ptp4l0-21swapper/511:40:145
111391220,0ptp4l0-21swapper/511:18:235
111391220,0ptp4l0-21swapper/511:10:105
111391220,0ptp4l0-21swapper/511:06:255
111391220,0ptp4l0-21swapper/510:20:405
111391220,0ptp4l0-21swapper/509:56:565
111391220,0ptp4l0-21swapper/509:36:565
111391220,0ptp4l0-21swapper/509:33:515
111391220,0ptp4l0-21swapper/509:20:155
111391220,0ptp4l0-21swapper/508:35:145
111391220,0ptp4l0-21swapper/508:05:005
111391220,0ptp4l0-21swapper/507:55:185
111391220,0ptp4l0-21swapper/412:30:214
111391220,0ptp4l0-21swapper/411:00:074
111391220,0ptp4l0-21swapper/410:10:114
111391220,0ptp4l0-21swapper/408:40:124
111391220,0ptp4l0-21swapper/408:35:194
111391220,0ptp4l0-21swapper/408:30:144
111391220,0ptp4l0-21swapper/408:05:194
111391220,0ptp4l0-21swapper/407:50:124
111391220,0ptp4l0-21swapper/407:46:564
111391220,0ptp4l0-21swapper/407:30:154
111391220,0ptp4l0-21swapper/407:20:164
111391220,0ptp4l0-21swapper/312:03:553
111391220,0ptp4l0-21swapper/311:22:143
111391220,0ptp4l0-21swapper/311:09:003
111391220,0ptp4l0-21swapper/307:50:163
111391220,0ptp4l0-21swapper/211:50:292
111391220,0ptp4l0-21swapper/211:14:122
111391220,0ptp4l0-21swapper/211:02:572
111391220,0ptp4l0-21swapper/210:02:102
111391220,0ptp4l0-21swapper/209:55:282
111391220,0ptp4l0-21swapper/209:50:512
111391220,0ptp4l0-21swapper/209:10:172
111391220,0ptp4l0-21swapper/112:37:401
111391220,0ptp4l0-21swapper/112:20:141
111391220,0ptp4l0-21swapper/112:20:141
111391220,0ptp4l0-21swapper/111:30:011
111391220,0ptp4l0-21swapper/111:06:281
111391220,0ptp4l0-21swapper/111:02:271
111391220,0ptp4l0-21swapper/110:45:131
111391220,0ptp4l0-21swapper/110:22:421
111391220,0ptp4l0-21swapper/110:08:101
111391220,0ptp4l0-21swapper/109:56:581
111391220,0ptp4l0-21swapper/109:38:101
111391220,0ptp4l0-21swapper/109:19:231
111391220,0ptp4l0-21swapper/108:35:131
111391220,0ptp4l0-21swapper/012:20:230
111391220,0ptp4l0-21swapper/012:20:220
111391220,0ptp4l0-21swapper/011:55:110
111391220,0ptp4l0-21swapper/011:05:130
111391220,0ptp4l0-21swapper/010:30:060
111391220,0ptp4l0-21swapper/008:55:200
111391220,0ptp4l0-21swapper/008:50:160
111391220,0ptp4l0-21swapper/008:35:210
111391220,0ptp4l0-21swapper/008:20:130
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/007:40:170
111391220,0ptp4l0-21swapper/007:35:120
111391220,0ptp4l0-21swapper/007:30:160
111391220,0ptp4l0-21swapper/007:25:170
111391220,0ptp4l0-21swapper/007:15:130
111391210,0ptp4l0-21swapper/712:05:017
111391210,0ptp4l0-21swapper/611:35:596
111391210,0ptp4l0-21swapper/611:16:586
111391210,0ptp4l0-21swapper/610:07:426
111391210,0ptp4l0-21swapper/610:02:096
111391210,0ptp4l0-21swapper/608:30:556
111391210,0ptp4l0-21swapper/512:36:125
111391210,0ptp4l0-21swapper/512:01:435
111391210,0ptp4l0-21swapper/511:49:315
111391210,0ptp4l0-21swapper/511:38:505
111391210,0ptp4l0-21swapper/511:01:595
111391210,0ptp4l0-21swapper/510:52:575
111391210,0ptp4l0-21swapper/510:45:165
111391210,0ptp4l0-21swapper/510:37:585
111391210,0ptp4l0-21swapper/510:08:135
111391210,0ptp4l0-21swapper/510:02:325
111391210,0ptp4l0-21swapper/509:27:285
111391210,0ptp4l0-21swapper/509:17:575
111391210,0ptp4l0-21swapper/509:12:165
111391210,0ptp4l0-21swapper/507:50:165
111391210,0ptp4l0-21swapper/408:50:124
111391210,0ptp4l0-21swapper/211:35:542
111391210,0ptp4l0-21swapper/211:18:472
111391210,0ptp4l0-21swapper/210:41:562
111391210,0ptp4l0-21swapper/210:30:172
111391210,0ptp4l0-21swapper/210:21:282
111391210,0ptp4l0-21swapper/210:12:192
111391210,0ptp4l0-21swapper/112:26:441
111391210,0ptp4l0-21swapper/112:14:551
111391210,0ptp4l0-21swapper/112:05:451
111391210,0ptp4l0-21swapper/111:49:591
111391210,0ptp4l0-21swapper/111:40:211
111391210,0ptp4l0-21swapper/111:19:281
111391210,0ptp4l0-21swapper/110:38:071
111391210,0ptp4l0-21swapper/109:51:181
111391210,0ptp4l0-21swapper/109:46:101
111391210,0ptp4l0-21swapper/108:24:551
111391210,0ptp4l0-21swapper/107:50:141
111391200,2ptp4l641ktimersoftd/608:56:436
111391200,0ptp4l14816-21diskmemload10:39:096
111391200,0ptp4l0-21swapper/712:10:347
111391200,0ptp4l0-21swapper/611:02:186
111391200,0ptp4l0-21swapper/609:50:496
111391200,0ptp4l0-21swapper/512:29:005
111391200,0ptp4l0-21swapper/511:30:535
111391200,0ptp4l0-21swapper/510:41:285
111391200,0ptp4l0-21swapper/510:19:595
111391200,0ptp4l0-21swapper/509:52:095
111391200,0ptp4l0-21swapper/508:27:565
111391200,0ptp4l0-21swapper/508:14:325
111391200,0ptp4l0-21swapper/507:42:545
111391200,0ptp4l0-21swapper/408:45:184
111391200,0ptp4l0-21swapper/407:55:364
111391200,0ptp4l0-21swapper/312:17:173
111391200,0ptp4l0-21swapper/211:32:242
111391200,0ptp4l0-21swapper/211:06:102
111391200,0ptp4l0-21swapper/209:25:432
111391200,0ptp4l0-21swapper/209:20:592
111391200,0ptp4l0-21swapper/209:15:122
111391200,0ptp4l0-21swapper/208:12:572
111391200,0ptp4l0-21swapper/112:15:531
111391200,0ptp4l0-21swapper/111:12:031
111391200,0ptp4l0-21swapper/110:26:231
111391200,0ptp4l0-21swapper/109:31:581
111391200,0ptp4l0-21swapper/108:54:261
111391200,0ptp4l0-21swapper/108:18:571
111391200,0ptp4l0-21swapper/107:38:561
111391190,0ptp4l0-21swapper/611:40:036
111391190,0ptp4l0-21swapper/611:06:096
111391190,0ptp4l0-21swapper/610:21:296
111391190,0ptp4l0-21swapper/512:15:545
111391190,0ptp4l0-21swapper/512:13:255
111391190,0ptp4l0-21swapper/508:50:575
111391190,0ptp4l0-21swapper/508:04:575
111391190,0ptp4l0-21swapper/312:05:063
111391190,0ptp4l0-21swapper/210:07:402
111391190,0ptp4l0-21swapper/207:27:542
111391190,0ptp4l0-21swapper/111:28:541
111391190,0ptp4l0-21swapper/110:42:541
111391190,0ptp4l0-21swapper/108:59:301
111391190,0ptp4l0-21swapper/108:47:561
111391190,0ptp4l0-21swapper/108:10:551
111391190,0ptp4l0-21swapper/007:59:490
111391180,0ptp4l0-21swapper/611:47:546
111391180,0ptp4l0-21swapper/611:32:256
111391180,0ptp4l0-21swapper/610:26:176
111391180,0ptp4l0-21swapper/609:21:016
111391180,0ptp4l0-21swapper/511:56:085
111391180,0ptp4l0-21swapper/510:26:255
111391180,0ptp4l0-21swapper/509:42:575
111391180,0ptp4l0-21swapper/509:42:565
111391180,0ptp4l0-21swapper/508:45:115
111391180,0ptp4l0-21swapper/508:42:495
111391180,0ptp4l0-21swapper/312:10:313
111391180,0ptp4l0-21swapper/107:43:171
111391170,0ptp4l0-21swapper/508:57:505
111391170,0ptp4l0-21swapper/212:08:112
111391170,0ptp4l0-21swapper/211:47:522
111391170,0ptp4l0-21swapper/210:39:072
111391170,0ptp4l0-21swapper/209:42:032
111391170,0ptp4l0-21swapper/209:42:022
111391170,0ptp4l0-21swapper/208:19:322
111391160,1ptp4l0-21swapper/109:09:191
111391160,0ptp4l0-21swapper/708:42:577
111391160,0ptp4l0-21swapper/608:39:596
111391160,0ptp4l0-21swapper/608:13:056
111391160,0ptp4l0-21swapper/608:05:376
111391160,0ptp4l0-21swapper/508:23:325
111391160,0ptp4l0-21swapper/308:42:563
111391160,0ptp4l0-21swapper/211:40:052
111391160,0ptp4l0-21swapper/208:05:212
111391160,0ptp4l0-21swapper/207:16:022
111391160,0ptp4l0-21swapper/109:02:151
111391160,0ptp4l0-21swapper/108:04:271
111391160,0ptp4l0-21swapper/107:48:591
111391160,0ptp4l0-21swapper/107:28:401
111391160,0ptp4l0-21swapper/107:17:471
111391150,0ptp4l0-21swapper/609:07:066
111391150,0ptp4l0-21swapper/609:02:586
111391150,0ptp4l0-21swapper/608:44:226
111391150,0ptp4l0-21swapper/608:19:346
111391150,0ptp4l0-21swapper/608:00:466
111391150,0ptp4l0-21swapper/607:57:046
111391150,0ptp4l0-21swapper/607:25:566
111391150,0ptp4l0-21swapper/607:16:106
111391150,0ptp4l0-21swapper/607:13:286
111391150,0ptp4l0-21swapper/511:27:455
111391150,0ptp4l0-21swapper/510:32:485
111391150,0ptp4l0-21swapper/509:00:495
111391150,0ptp4l0-21swapper/508:18:465
111391150,0ptp4l0-21swapper/507:37:025
111391150,0ptp4l0-21swapper/507:31:045
111391150,0ptp4l0-21swapper/507:26:365
111391150,0ptp4l0-21swapper/507:20:375
111391150,0ptp4l0-21swapper/507:17:395
111391150,0ptp4l0-21swapper/307:34:133
111391150,0ptp4l0-21swapper/212:15:042
111391150,0ptp4l0-21swapper/209:08:492
111391150,0ptp4l0-21swapper/209:02:552
111391150,0ptp4l0-21swapper/208:58:122
111391150,0ptp4l0-21swapper/208:54:132
111391150,0ptp4l0-21swapper/208:44:182
111391150,0ptp4l0-21swapper/208:37:492
111391150,0ptp4l0-21swapper/208:31:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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