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2026-07-18 - 16:02

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 Sat Jul 18, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117492950,0sleep4471rcuc/409:20:114
117492950,0sleep4471rcuc/409:20:104
6362650,0sleep60-21swapper/611:53:306
1185926443,6sleep20-21swapper/207:07:542
111391630,5ptp4l0-21swapper/507:08:035
111391630,30ptp4l0-21swapper/107:09:391
1170626140,7sleep40-21swapper/407:05:574
111391600,29ptp4l0-21swapper/007:05:500
1168225038,7sleep70-21swapper/707:05:367
1168124939,6sleep60-21swapper/607:05:356
1171424736,7sleep30-21swapper/307:06:043
111391350,0ptp4l0-21swapper/411:13:304
111391330,1ptp4l2429-21mailstats07:55:191
111391320,3ptp4l0-21swapper/411:00:214
111391320,0ptp4l0-21swapper/511:31:425
111391320,0ptp4l0-21swapper/411:54:444
111391320,0ptp4l0-21swapper/409:19:574
111391320,0ptp4l0-21swapper/108:25:171
111391310,0ptp4l0-21swapper/409:44:244
111391310,0ptp4l0-21swapper/409:32:034
111391300,3ptp4l0-21swapper/111:30:551
111391300,0ptp4l0-21swapper/412:08:224
111391300,0ptp4l0-21swapper/411:30:124
111391300,0ptp4l0-21swapper/411:29:014
111391300,0ptp4l0-21swapper/410:46:204
111391300,0ptp4l0-21swapper/410:05:224
111391300,0ptp4l0-21swapper/409:49:254
111391300,0ptp4l0-21swapper/409:39:224
111391290,0ptp4l0-21swapper/712:07:117
111391290,0ptp4l0-21swapper/609:20:376
111391290,0ptp4l0-21swapper/609:20:376
111391290,0ptp4l0-21swapper/511:43:015
111391290,0ptp4l0-21swapper/412:31:374
111391290,0ptp4l0-21swapper/411:20:194
111391290,0ptp4l0-21swapper/411:17:054
111391290,0ptp4l0-21swapper/311:47:463
111391290,0ptp4l0-21swapper/011:28:040
111391280,2ptp4l0-21swapper/511:55:365
111391280,2ptp4l0-21swapper/411:08:594
111391280,0ptp4l0-21swapper/412:35:304
111391280,0ptp4l0-21swapper/412:01:584
111391280,0ptp4l0-21swapper/412:01:574
111391280,0ptp4l0-21swapper/411:46:594
111391280,0ptp4l0-21swapper/409:58:124
111391280,0ptp4l0-21swapper/309:46:223
111391280,0ptp4l0-21swapper/011:43:470
111391280,0ptp4l0-21swapper/011:16:100
111391280,0ptp4l0-21swapper/010:04:280
111391280,0ptp4l0-21swapper/009:31:100
111391280,0ptp4l0-21swapper/009:22:290
111391280,0ptp4l0-21swapper/009:22:280
111391270,3ptp4l0-21swapper/110:01:401
111391270,2ptp4l0-21swapper/509:35:305
111391270,0ptp4l3052-21diskmemload10:37:164
111391270,0ptp4l0-21swapper/710:34:257
111391270,0ptp4l0-21swapper/509:26:185
111391270,0ptp4l0-21swapper/410:53:584
111391270,0ptp4l0-21swapper/410:41:484
111391270,0ptp4l0-21swapper/410:03:544
111391270,0ptp4l0-21swapper/407:17:204
111391270,0ptp4l0-21swapper/110:35:341
111391270,0ptp4l0-21swapper/012:31:390
111391260,5ptp4l19448-21sshd07:23:200
111391260,0ptp4l0-21swapper/509:42:355
111391260,0ptp4l0-21swapper/412:27:234
111391260,0ptp4l0-21swapper/412:13:174
111391260,0ptp4l0-21swapper/411:40:134
111391260,0ptp4l0-21swapper/409:10:214
111391260,0ptp4l0-21swapper/109:41:191
111391260,0ptp4l0-21swapper/012:20:130
111391260,0ptp4l0-21swapper/012:11:500
111391260,0ptp4l0-21swapper/011:59:140
111391260,0ptp4l0-21swapper/011:53:180
111391260,0ptp4l0-21swapper/011:09:280
111391260,0ptp4l0-21swapper/010:56:170
111391260,0ptp4l0-21swapper/010:30:150
111391260,0ptp4l0-21swapper/010:15:210
111391260,0ptp4l0-21swapper/010:10:120
111391260,0ptp4l0-21swapper/008:50:200
111391250,1ptp4l9098-21users09:15:200
111391250,1ptp4l21851-21cat08:40:001
111391250,1ptp4l1916-21irqrtprio07:55:155
111391250,0ptp4l0-21swapper/509:20:195
111391250,0ptp4l0-21swapper/509:20:195
111391250,0ptp4l0-21swapper/410:56:154
111391250,0ptp4l0-21swapper/410:12:254
111391250,0ptp4l0-21swapper/110:06:071
111391250,0ptp4l0-21swapper/107:55:001
111391250,0ptp4l0-21swapper/012:00:150
111391250,0ptp4l0-21swapper/012:00:150
111391250,0ptp4l0-21swapper/011:24:070
111391250,0ptp4l0-21swapper/011:10:040
111391250,0ptp4l0-21swapper/010:40:310
111391250,0ptp4l0-21swapper/010:26:570
111391240,1ptp4l4369-21wc11:15:195
111391240,1ptp4l18460-21memory07:20:155
111391240,1ptp4l15671-21irqrtprio08:25:145
111391240,1ptp4l12901-21fw_conntrack10:45:130
111391240,1ptp4l10399-21wc08:14:595
111391240,0ptp4l0-21swapper/609:27:106
111391240,0ptp4l0-21swapper/512:24:105
111391240,0ptp4l0-21swapper/512:15:035
111391240,0ptp4l0-21swapper/512:14:565
111391240,0ptp4l0-21swapper/507:15:165
111391240,0ptp4l0-21swapper/412:22:294
111391240,0ptp4l0-21swapper/408:40:184
111391240,0ptp4l0-21swapper/408:20:114
111391240,0ptp4l0-21swapper/112:28:331
111391240,0ptp4l0-21swapper/012:07:190
111391240,0ptp4l0-21swapper/010:52:060
111391240,0ptp4l0-21swapper/010:23:460
111391240,0ptp4l0-21swapper/008:45:130
111391240,0ptp4l0-21swapper/008:00:170
111391240,0ptp4l0-21swapper/007:58:200
111391240,0ptp4l0-21swapper/007:20:000
1232399230,4cyclictest0-21swapper/507:11:395
111391230,1ptp4l28053-21ssh10:22:337
111391230,1ptp4l2771-21sh11:14:471
111391230,1ptp4l15495-21irqstats11:30:150
111391230,1ptp4l0-21swapper/111:43:141
111391230,0ptp4l18006-21strings12:15:170
111391230,0ptp4l0-21swapper/712:31:297
111391230,0ptp4l0-21swapper/711:47:127
111391230,0ptp4l0-21swapper/709:45:207
111391230,0ptp4l0-21swapper/609:48:286
111391230,0ptp4l0-21swapper/512:35:135
111391230,0ptp4l0-21swapper/512:33:545
111391230,0ptp4l0-21swapper/512:05:205
111391230,0ptp4l0-21swapper/510:47:285
111391230,0ptp4l0-21swapper/510:35:145
111391230,0ptp4l0-21swapper/510:25:175
111391230,0ptp4l0-21swapper/510:14:165
111391230,0ptp4l0-21swapper/509:00:015
111391230,0ptp4l0-21swapper/508:30:185
111391230,0ptp4l0-21swapper/507:45:175
111391230,0ptp4l0-21swapper/412:15:174
111391230,0ptp4l0-21swapper/411:36:094
111391230,0ptp4l0-21swapper/410:30:154
111391230,0ptp4l0-21swapper/410:25:154
111391230,0ptp4l0-21swapper/410:16:464
111391230,0ptp4l0-21swapper/409:50:124
111391230,0ptp4l0-21swapper/409:25:144
111391230,0ptp4l0-21swapper/408:55:134
111391230,0ptp4l0-21swapper/408:50:154
111391230,0ptp4l0-21swapper/408:45:114
111391230,0ptp4l0-21swapper/408:15:154
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/407:45:194
111391230,0ptp4l0-21swapper/407:40:174
111391230,0ptp4l0-21swapper/407:25:094
111391230,0ptp4l0-21swapper/311:37:063
111391230,0ptp4l0-21swapper/310:33:063
111391230,0ptp4l0-21swapper/211:25:122
111391230,0ptp4l0-21swapper/112:35:001
111391230,0ptp4l0-21swapper/112:25:001
111391230,0ptp4l0-21swapper/112:15:151
111391230,0ptp4l0-21swapper/111:29:071
111391230,0ptp4l0-21swapper/111:15:171
111391230,0ptp4l0-21swapper/110:20:191
111391230,0ptp4l0-21swapper/109:35:301
111391230,0ptp4l0-21swapper/109:33:441
111391230,0ptp4l0-21swapper/109:29:241
111391230,0ptp4l0-21swapper/109:18:091
111391230,0ptp4l0-21swapper/107:45:171
111391230,0ptp4l0-21swapper/107:30:181
111391230,0ptp4l0-21swapper/107:15:021
111391230,0ptp4l0-21swapper/012:35:150
111391230,0ptp4l0-21swapper/012:25:150
111391230,0ptp4l0-21swapper/011:00:130
111391230,0ptp4l0-21swapper/010:05:100
111391230,0ptp4l0-21swapper/009:50:200
111391230,0ptp4l0-21swapper/009:40:120
111391230,0ptp4l0-21swapper/009:25:190
111391230,0ptp4l0-21swapper/009:12:090
111391230,0ptp4l0-21swapper/009:05:140
111391230,0ptp4l0-21swapper/009:00:180
111391230,0ptp4l0-21swapper/008:55:120
111391230,0ptp4l0-21swapper/008:40:210
111391230,0ptp4l0-21swapper/008:15:140
111391230,0ptp4l0-21swapper/007:50:000
111391230,0ptp4l0-21swapper/007:35:130
111391230,0ptp4l0-21swapper/007:25:160
111391220,2ptp4l0-21swapper/110:16:091
111391220,1ptp4l5285-21ssh09:53:181
111391220,0ptp4l0-21swapper/712:36:557
111391220,0ptp4l0-21swapper/711:14:027
111391220,0ptp4l0-21swapper/612:24:326
111391220,0ptp4l0-21swapper/612:00:586
111391220,0ptp4l0-21swapper/612:00:586
111391220,0ptp4l0-21swapper/512:25:245
111391220,0ptp4l0-21swapper/511:39:565
111391220,0ptp4l0-21swapper/511:27:385
111391220,0ptp4l0-21swapper/511:22:235
111391220,0ptp4l0-21swapper/511:06:065
111391220,0ptp4l0-21swapper/511:00:505
111391220,0ptp4l0-21swapper/510:56:345
111391220,0ptp4l0-21swapper/510:51:195
111391220,0ptp4l0-21swapper/510:44:005
111391220,0ptp4l0-21swapper/510:30:425
111391220,0ptp4l0-21swapper/510:20:145
111391220,0ptp4l0-21swapper/510:16:285
111391220,0ptp4l0-21swapper/510:08:275
111391220,0ptp4l0-21swapper/510:01:585
111391220,0ptp4l0-21swapper/509:53:205
111391220,0ptp4l0-21swapper/509:33:035
111391220,0ptp4l0-21swapper/509:17:345
111391220,0ptp4l0-21swapper/509:10:385
111391220,0ptp4l0-21swapper/508:35:185
111391220,0ptp4l0-21swapper/508:08:265
111391220,0ptp4l0-21swapper/507:39:255
111391220,0ptp4l0-21swapper/507:33:335
111391220,0ptp4l0-21swapper/411:58:124
111391220,0ptp4l0-21swapper/410:24:484
111391220,0ptp4l0-21swapper/409:07:204
111391220,0ptp4l0-21swapper/408:10:164
111391220,0ptp4l0-21swapper/408:00:164
111391220,0ptp4l0-21swapper/407:50:114
111391220,0ptp4l0-21swapper/407:35:114
111391220,0ptp4l0-21swapper/407:24:404
111391220,0ptp4l0-21swapper/311:14:123
111391220,0ptp4l0-21swapper/311:01:403
111391220,0ptp4l0-21swapper/310:22:193
111391220,0ptp4l0-21swapper/309:45:003
111391220,0ptp4l0-21swapper/212:24:282
111391220,0ptp4l0-21swapper/210:46:092
111391220,0ptp4l0-21swapper/209:48:132
111391220,0ptp4l0-21swapper/112:35:081
111391220,0ptp4l0-21swapper/112:05:191
111391220,0ptp4l0-21swapper/112:02:241
111391220,0ptp4l0-21swapper/112:02:241
111391220,0ptp4l0-21swapper/111:55:151
111391220,0ptp4l0-21swapper/111:22:341
111391220,0ptp4l0-21swapper/110:56:001
111391220,0ptp4l0-21swapper/110:44:451
111391220,0ptp4l0-21swapper/110:32:201
111391220,0ptp4l0-21swapper/110:25:161
111391220,0ptp4l0-21swapper/109:57:591
111391220,0ptp4l0-21swapper/109:20:141
111391220,0ptp4l0-21swapper/109:20:131
111391220,0ptp4l0-21swapper/109:11:101
111391220,0ptp4l0-21swapper/108:53:271
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/108:20:001
111391220,0ptp4l0-21swapper/107:20:141
111391220,0ptp4l0-21swapper/107:10:151
111391220,0ptp4l0-21swapper/011:45:130
111391220,0ptp4l0-21swapper/011:35:150
111391220,0ptp4l0-21swapper/010:37:580
111391220,0ptp4l0-21swapper/009:55:040
111391220,0ptp4l0-21swapper/009:48:350
111391220,0ptp4l0-21swapper/009:35:460
111391220,0ptp4l0-21swapper/008:20:130
111391220,0ptp4l0-21swapper/008:10:150
111391220,0ptp4l0-21swapper/007:50:180
111391220,0ptp4l0-21swapper/007:40:140
111391220,0ptp4l0-21swapper/007:10:180
111391210,3ptp4l0-21swapper/108:07:031
111391210,2ptp4l0-21swapper/508:59:525
111391210,0ptp4l0-21swapper/711:37:007
111391210,0ptp4l0-21swapper/709:44:567
111391210,0ptp4l0-21swapper/612:07:496
111391210,0ptp4l0-21swapper/611:45:566
111391210,0ptp4l0-21swapper/611:33:266
111391210,0ptp4l0-21swapper/611:25:146
111391210,0ptp4l0-21swapper/610:34:526
111391210,0ptp4l0-21swapper/610:29:006
111391210,0ptp4l0-21swapper/610:08:116
111391210,0ptp4l0-21swapper/512:04:205
111391210,0ptp4l0-21swapper/512:04:205
111391210,0ptp4l0-21swapper/511:12:105
111391210,0ptp4l0-21swapper/509:05:125
111391210,0ptp4l0-21swapper/409:00:214
111391210,0ptp4l0-21swapper/407:10:124
111391210,0ptp4l0-21swapper/312:03:213
111391210,0ptp4l0-21swapper/312:03:213
111391210,0ptp4l0-21swapper/212:07:502
111391210,0ptp4l0-21swapper/211:11:532
111391210,0ptp4l0-21swapper/210:34:542
111391210,0ptp4l0-21swapper/210:28:532
111391210,0ptp4l0-21swapper/210:09:012
111391210,0ptp4l0-21swapper/112:12:591
111391210,0ptp4l0-21swapper/111:39:441
111391210,0ptp4l0-21swapper/111:06:241
111391210,0ptp4l0-21swapper/111:03:411
111391210,0ptp4l0-21swapper/110:53:191
111391210,0ptp4l0-21swapper/110:10:091
111391210,0ptp4l0-21swapper/109:02:201
111391210,0ptp4l0-21swapper/108:15:001
111391210,0ptp4l0-21swapper/008:39:270
111391210,0ptp4l0-21swapper/008:33:190
111391200,3ptp4l0-21swapper/508:50:335
111391200,2ptp4l0-21swapper/508:01:525
111391200,0ptp4l0-21swapper/711:01:417
111391200,0ptp4l0-21swapper/708:29:207
111391200,0ptp4l0-21swapper/611:11:516
111391200,0ptp4l0-21swapper/608:38:106
111391200,0ptp4l0-21swapper/509:58:015
111391200,0ptp4l0-21swapper/509:47:555
111391200,0ptp4l0-21swapper/508:16:275
111391200,0ptp4l0-21swapper/507:42:205
111391200,0ptp4l0-21swapper/408:26:304
111391200,0ptp4l0-21swapper/407:30:454
111391200,0ptp4l0-21swapper/312:31:273
111391200,0ptp4l0-21swapper/212:39:312
111391200,0ptp4l0-21swapper/209:54:592
111391200,0ptp4l0-21swapper/209:27:102
111391200,0ptp4l0-21swapper/110:47:171
111391200,0ptp4l0-21swapper/108:40:021
111391200,0ptp4l0-21swapper/107:41:241
111391200,0ptp4l0-21swapper/008:25:220
111391200,0ptp4l0-21swapper/008:05:040
111391200,0ptp4l0-21swapper/007:32:260
111391190,2ptp4l641ktimersoftd/608:17:286
111391190,0ptp4l0-21swapper/611:23:226
111391190,0ptp4l0-21swapper/611:03:016
111391190,0ptp4l0-21swapper/610:46:096
111391190,0ptp4l0-21swapper/507:50:235
111391190,0ptp4l0-21swapper/407:59:414
111391190,0ptp4l0-21swapper/211:45:562
111391190,0ptp4l0-21swapper/211:03:012
111391190,0ptp4l0-21swapper/210:01:142
111391190,0ptp4l0-21swapper/209:21:522
111391190,0ptp4l0-21swapper/209:21:522
111391190,0ptp4l0-21swapper/111:45:061
111391190,0ptp4l0-21swapper/107:27:301
111391180,0ptp4l0-21swapper/712:03:197
111391180,0ptp4l0-21swapper/712:03:197
111391180,0ptp4l0-21swapper/612:26:586
111391180,0ptp4l0-21swapper/610:01:086
111391180,0ptp4l0-21swapper/608:47:486
111391180,0ptp4l0-21swapper/511:50:245
111391180,0ptp4l0-21swapper/312:21:273
111391180,0ptp4l0-21swapper/212:01:032
111391180,0ptp4l0-21swapper/212:01:022
111391180,0ptp4l0-21swapper/211:33:222
111391180,0ptp4l0-21swapper/208:17:302
111391180,0ptp4l0-21swapper/111:50:251
111391180,0ptp4l0-21swapper/109:47:401
304912170,0sleep2311rcuc/209:45:012
111391170,0ptp4l0-21swapper/312:36:553
111391170,0ptp4l0-21swapper/312:07:083
111391170,0ptp4l0-21swapper/209:15:562
111391170,0ptp4l0-21swapper/208:47:382
111391160,1ptp4l3052-21diskmemload12:38:396
111391160,0ptp4l0-21swapper/511:45:075
111391160,0ptp4l0-21swapper/507:25:395
111391160,0ptp4l0-21swapper/408:37:424
111391160,0ptp4l0-21swapper/408:33:334
111391160,0ptp4l0-21swapper/211:23:212
111391160,0ptp4l0-21swapper/209:59:562
111391160,0ptp4l0-21swapper/109:05:041
111391160,0ptp4l0-21swapper/108:14:531
111391150,0ptp4l0-21swapper/609:05:436
111391150,0ptp4l0-21swapper/608:42:406
111391150,0ptp4l0-21swapper/608:26:486
111391150,0ptp4l0-21swapper/608:11:146
111391150,0ptp4l0-21swapper/607:38:336
111391150,0ptp4l0-21swapper/607:30:496
111391150,0ptp4l0-21swapper/607:14:236
111391150,0ptp4l0-21swapper/508:40:025
111391150,0ptp4l0-21swapper/508:20:025
111391150,0ptp4l0-21swapper/308:29:023
111391150,0ptp4l0-21swapper/209:05:432
111391150,0ptp4l0-21swapper/208:38:192
111391150,0ptp4l0-21swapper/208:26:472
111391150,0ptp4l0-21swapper/208:11:092
111391150,0ptp4l0-21swapper/207:38:352
111391150,0ptp4l0-21swapper/108:55:021
111391150,0ptp4l0-21swapper/108:48:121
111391150,0ptp4l0-21swapper/108:00:591
111391150,0ptp4l0-21swapper/107:39:171
111391140,0ptp4l0-21swapper/610:00:006
111391140,0ptp4l0-21swapper/608:58:036
111391140,0ptp4l0-21swapper/608:23:436
111391140,0ptp4l0-21swapper/608:07:086
111391140,0ptp4l0-21swapper/607:51:566
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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