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2026-08-13 - 23:00

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 Thu Aug 13, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
995221240,0sleep70-21swapper/711:55:007
177242650,0sleep20-21swapper/207:45:192
47162640,0sleep1231rcuc/108:30:111
111391620,5ptp4l0-21swapper/007:06:370
111391600,27ptp4l0-21swapper/207:06:562
111391570,5ptp4l0-21swapper/407:07:134
3121825634,7sleep30-21swapper/307:06:373
269692560,0sleep00-21swapper/009:15:120
3126325341,7sleep10-21swapper/107:07:151
3140625039,6sleep70-21swapper/707:09:067
3125924939,6sleep60-21swapper/607:07:116
3130224635,6sleep50-21swapper/507:07:425
111391320,0ptp4l0-21swapper/407:30:214
111391310,0ptp4l0-21swapper/409:45:054
111391300,0ptp4l0-21swapper/411:43:254
111391300,0ptp4l0-21swapper/410:24:494
111391300,0ptp4l0-21swapper/409:23:104
111391300,0ptp4l0-21swapper/107:35:171
111391290,0ptp4l0-21swapper/507:50:215
111391290,0ptp4l0-21swapper/410:41:004
111391290,0ptp4l0-21swapper/109:19:271
111391290,0ptp4l0-21swapper/012:37:210
111391290,0ptp4l0-21swapper/012:30:130
111391290,0ptp4l0-21swapper/012:14:270
111391290,0ptp4l0-21swapper/009:56:270
111391280,0ptp4l0-21swapper/510:30:205
111391280,0ptp4l0-21swapper/409:51:294
111391280,0ptp4l0-21swapper/112:23:441
111391280,0ptp4l0-21swapper/112:23:441
111391280,0ptp4l0-21swapper/110:08:471
111391280,0ptp4l0-21swapper/109:34:331
111391280,0ptp4l0-21swapper/011:52:380
111391280,0ptp4l0-21swapper/011:40:000
111391280,0ptp4l0-21swapper/010:45:370
111391280,0ptp4l0-21swapper/010:27:040
111391280,0ptp4l0-21swapper/010:02:300
111391280,0ptp4l0-21swapper/009:35:540
111391280,0ptp4l0-21swapper/008:40:180
111391270,0ptp4l0-21swapper/510:20:475
111391270,0ptp4l0-21swapper/411:59:314
111391270,0ptp4l0-21swapper/411:38:024
111391270,0ptp4l0-21swapper/410:02:114
111391270,0ptp4l0-21swapper/407:40:174
111391270,0ptp4l0-21swapper/110:31:561
111391270,0ptp4l0-21swapper/011:47:080
111391270,0ptp4l0-21swapper/011:30:270
111391270,0ptp4l0-21swapper/011:24:530
111391270,0ptp4l0-21swapper/011:16:060
111391270,0ptp4l0-21swapper/010:15:140
111391270,0ptp4l0-21swapper/010:10:200
111391270,0ptp4l0-21swapper/009:28:590
111391270,0ptp4l0-21swapper/009:11:220
111391260,2ptp4l481ktimersoftd/409:00:164
111391260,0ptp4l21652-21ssh10:39:453
111391260,0ptp4l0-21swapper/512:14:455
111391260,0ptp4l0-21swapper/511:15:425
111391260,0ptp4l0-21swapper/510:45:235
111391260,0ptp4l0-21swapper/510:35:035
111391260,0ptp4l0-21swapper/412:20:164
111391260,0ptp4l0-21swapper/412:20:154
111391260,0ptp4l0-21swapper/410:48:244
111391260,0ptp4l0-21swapper/410:38:504
111391260,0ptp4l0-21swapper/410:06:184
111391260,0ptp4l0-21swapper/409:43:354
111391260,0ptp4l0-21swapper/409:43:344
111391260,0ptp4l0-21swapper/409:35:034
111391260,0ptp4l0-21swapper/409:31:004
111391260,0ptp4l0-21swapper/311:07:523
111391260,0ptp4l0-21swapper/112:30:541
111391260,0ptp4l0-21swapper/112:28:051
111391260,0ptp4l0-21swapper/011:12:000
111391260,0ptp4l0-21swapper/009:46:560
111391260,0ptp4l0-21swapper/008:50:150
111391260,0ptp4l0-21swapper/008:10:140
111391250,1ptp4l663-21sort08:20:171
111391250,1ptp4l22541-21latency_hist09:55:011
111391250,0ptp4l0-21swapper/711:45:187
111391250,0ptp4l0-21swapper/509:42:495
111391250,0ptp4l0-21swapper/509:42:495
111391250,0ptp4l0-21swapper/508:30:125
111391250,0ptp4l0-21swapper/411:33:574
111391250,0ptp4l0-21swapper/411:23:364
111391250,0ptp4l0-21swapper/410:12:324
111391250,0ptp4l0-21swapper/409:05:124
111391250,0ptp4l0-21swapper/407:20:134
111391250,0ptp4l0-21swapper/407:15:014
111391250,0ptp4l0-21swapper/309:16:393
111391250,0ptp4l0-21swapper/112:36:351
111391250,0ptp4l0-21swapper/111:56:251
111391250,0ptp4l0-21swapper/111:03:591
111391250,0ptp4l0-21swapper/109:27:131
111391250,0ptp4l0-21swapper/010:05:110
111391250,0ptp4l0-21swapper/008:05:000
111391250,0ptp4l0-21swapper/007:10:190
111391240,2ptp4l0-21swapper/008:26:150
111391240,1ptp4l8395-21/usr/sbin/munin11:05:184
111391240,1ptp4l2974-21cat08:25:154
111391240,1ptp4l28396-21latency08:10:164
111391240,1ptp4l26697-21/usr/sbin/munin10:45:191
111391240,1ptp4l22517-21diskmemload11:10:185
111391240,1ptp4l22517-21diskmemload09:32:090
111391240,1ptp4l18599-21smartctl09:00:130
111391240,1ptp4l14327-21latency_hist11:15:001
111391240,0ptp4l0-21swapper/512:25:135
111391240,0ptp4l0-21swapper/509:45:165
111391240,0ptp4l0-21swapper/509:21:005
111391240,0ptp4l0-21swapper/508:35:165
111391240,0ptp4l0-21swapper/507:50:005
111391240,0ptp4l0-21swapper/507:35:125
111391240,0ptp4l0-21swapper/412:37:294
111391240,0ptp4l0-21swapper/412:26:414
111391240,0ptp4l0-21swapper/412:18:164
111391240,0ptp4l0-21swapper/412:18:164
111391240,0ptp4l0-21swapper/412:10:174
111391240,0ptp4l0-21swapper/412:00:134
111391240,0ptp4l0-21swapper/411:18:264
111391240,0ptp4l0-21swapper/411:03:374
111391240,0ptp4l0-21swapper/410:58:544
111391240,0ptp4l0-21swapper/410:50:134
111391240,0ptp4l0-21swapper/409:55:144
111391240,0ptp4l0-21swapper/409:25:134
111391240,0ptp4l0-21swapper/311:45:173
111391240,0ptp4l0-21swapper/112:13:321
111391240,0ptp4l0-21swapper/112:00:191
111391240,0ptp4l0-21swapper/111:54:121
111391240,0ptp4l0-21swapper/111:19:271
111391240,0ptp4l0-21swapper/107:50:141
111391240,0ptp4l0-21swapper/012:25:120
111391240,0ptp4l0-21swapper/012:20:140
111391240,0ptp4l0-21swapper/012:20:140
111391240,0ptp4l0-21swapper/012:15:160
111391240,0ptp4l0-21swapper/012:15:150
111391240,0ptp4l0-21swapper/011:58:170
111391240,0ptp4l0-21swapper/011:25:160
111391240,0ptp4l0-21swapper/011:05:210
111391240,0ptp4l0-21swapper/010:54:480
111391240,0ptp4l0-21swapper/010:44:590
111391240,0ptp4l0-21swapper/010:35:570
111391240,0ptp4l0-21swapper/010:22:530
111391240,0ptp4l0-21swapper/009:05:170
111391230,3ptp4l0-21swapper/510:55:245
111391230,1ptp4l23271-21grep08:00:124
111391230,0ptp4l0-21swapper/711:43:527
111391230,0ptp4l0-21swapper/711:08:167
111391230,0ptp4l0-21swapper/709:16:377
111391230,0ptp4l0-21swapper/512:24:335
111391230,0ptp4l0-21swapper/512:24:335
111391230,0ptp4l0-21swapper/512:15:135
111391230,0ptp4l0-21swapper/512:15:135
111391230,0ptp4l0-21swapper/512:05:165
111391230,0ptp4l0-21swapper/511:55:405
111391230,0ptp4l0-21swapper/511:00:115
111391230,0ptp4l0-21swapper/509:55:195
111391230,0ptp4l0-21swapper/508:59:305
111391230,0ptp4l0-21swapper/508:45:115
111391230,0ptp4l0-21swapper/508:40:115
111391230,0ptp4l0-21swapper/508:20:195
111391230,0ptp4l0-21swapper/508:14:595
111391230,0ptp4l0-21swapper/411:50:204
111391230,0ptp4l0-21swapper/411:46:014
111391230,0ptp4l0-21swapper/411:25:014
111391230,0ptp4l0-21swapper/411:12:484
111391230,0ptp4l0-21swapper/410:31:184
111391230,0ptp4l0-21swapper/410:25:104
111391230,0ptp4l0-21swapper/410:15:454
111391230,0ptp4l0-21swapper/409:15:174
111391230,0ptp4l0-21swapper/409:10:104
111391230,0ptp4l0-21swapper/408:50:174
111391230,0ptp4l0-21swapper/408:45:134
111391230,0ptp4l0-21swapper/408:05:114
111391230,0ptp4l0-21swapper/407:25:114
111391230,0ptp4l0-21swapper/407:10:124
111391230,0ptp4l0-21swapper/311:44:043
111391230,0ptp4l0-21swapper/112:15:081
111391230,0ptp4l0-21swapper/112:15:081
111391230,0ptp4l0-21swapper/112:05:161
111391230,0ptp4l0-21swapper/110:56:221
111391230,0ptp4l0-21swapper/110:40:151
111391230,0ptp4l0-21swapper/110:20:151
111391230,0ptp4l0-21swapper/109:45:121
111391230,0ptp4l0-21swapper/109:00:191
111391230,0ptp4l0-21swapper/108:35:131
111391230,0ptp4l0-21swapper/012:05:210
111391230,0ptp4l0-21swapper/011:35:150
111391230,0ptp4l0-21swapper/011:00:140
111391230,0ptp4l0-21swapper/010:58:020
111391230,0ptp4l0-21swapper/009:40:230
111391230,0ptp4l0-21swapper/009:40:230
111391230,0ptp4l0-21swapper/009:24:150
111391230,0ptp4l0-21swapper/008:55:200
111391230,0ptp4l0-21swapper/008:45:110
111391230,0ptp4l0-21swapper/008:30:170
111391230,0ptp4l0-21swapper/007:30:150
111391230,0ptp4l0-21swapper/007:15:180
111391220,1ptp4l4858-21grep07:20:120
111391220,1ptp4l21582-21ssh10:39:331
111391220,0ptp4l121rcu_preempt10:17:541
111391220,0ptp4l0-21swapper/711:26:467
111391220,0ptp4l0-21swapper/710:50:337
111391220,0ptp4l0-21swapper/612:38:136
111391220,0ptp4l0-21swapper/611:02:576
111391220,0ptp4l0-21swapper/512:30:465
111391220,0ptp4l0-21swapper/512:01:475
111391220,0ptp4l0-21swapper/511:48:535
111391220,0ptp4l0-21swapper/511:31:595
111391220,0ptp4l0-21swapper/511:28:055
111391220,0ptp4l0-21swapper/511:22:355
111391220,0ptp4l0-21swapper/510:40:135
111391220,0ptp4l0-21swapper/510:05:195
111391220,0ptp4l0-21swapper/509:50:575
111391220,0ptp4l0-21swapper/509:27:195
111391220,0ptp4l0-21swapper/509:19:355
111391220,0ptp4l0-21swapper/508:15:195
111391220,0ptp4l0-21swapper/412:34:284
111391220,0ptp4l0-21swapper/412:09:114
111391220,0ptp4l0-21swapper/408:55:104
111391220,0ptp4l0-21swapper/408:40:164
111391220,0ptp4l0-21swapper/408:36:364
111391220,0ptp4l0-21swapper/408:30:004
111391220,0ptp4l0-21swapper/408:15:114
111391220,0ptp4l0-21swapper/407:55:134
111391220,0ptp4l0-21swapper/407:54:424
111391220,0ptp4l0-21swapper/407:45:014
111391220,0ptp4l0-21swapper/311:27:233
111391220,0ptp4l0-21swapper/211:00:412
111391220,0ptp4l0-21swapper/111:39:051
111391220,0ptp4l0-21swapper/111:32:031
111391220,0ptp4l0-21swapper/111:20:421
111391220,0ptp4l0-21swapper/110:29:401
111391220,0ptp4l0-21swapper/109:55:181
111391220,0ptp4l0-21swapper/109:41:591
111391220,0ptp4l0-21swapper/109:41:581
111391220,0ptp4l0-21swapper/109:20:401
111391220,0ptp4l0-21swapper/107:45:151
111391220,0ptp4l0-21swapper/012:00:210
111391220,0ptp4l0-21swapper/009:50:120
111391220,0ptp4l0-21swapper/008:39:590
111391220,0ptp4l0-21swapper/008:15:110
111391220,0ptp4l0-21swapper/008:05:100
111391220,0ptp4l0-21swapper/007:55:160
111391220,0ptp4l0-21swapper/007:41:110
111391220,0ptp4l0-21swapper/007:25:110
111391210,0ptp4l0-21swapper/710:33:237
111391210,0ptp4l0-21swapper/707:17:167
111391210,0ptp4l0-21swapper/512:36:195
111391210,0ptp4l0-21swapper/511:50:495
111391210,0ptp4l0-21swapper/511:39:065
111391210,0ptp4l0-21swapper/510:29:495
111391210,0ptp4l0-21swapper/510:03:065
111391210,0ptp4l0-21swapper/509:10:415
111391210,0ptp4l0-21swapper/508:26:365
111391210,0ptp4l0-21swapper/407:36:244
111391210,0ptp4l0-21swapper/310:50:283
111391210,0ptp4l0-21swapper/310:33:283
111391210,0ptp4l0-21swapper/212:38:162
111391210,0ptp4l0-21swapper/209:18:562
111391210,0ptp4l0-21swapper/111:27:431
111391210,0ptp4l0-21swapper/110:02:151
111391210,0ptp4l0-21swapper/108:40:121
111391210,0ptp4l0-21swapper/107:25:001
111391210,0ptp4l0-21swapper/010:30:030
111391210,0ptp4l0-21swapper/008:21:320
111391210,0ptp4l0-21swapper/007:54:100
111391200,0ptp4l0-21swapper/708:07:417
111391200,0ptp4l0-21swapper/611:09:526
111391200,0ptp4l0-21swapper/510:12:225
111391200,0ptp4l0-21swapper/509:35:425
111391200,0ptp4l0-21swapper/509:34:525
111391200,0ptp4l0-21swapper/509:00:185
111391200,0ptp4l0-21swapper/408:20:214
111391200,0ptp4l0-21swapper/209:58:342
111391200,0ptp4l0-21swapper/209:41:212
111391200,0ptp4l0-21swapper/209:41:202
111391200,0ptp4l0-21swapper/111:48:441
111391200,0ptp4l0-21swapper/109:13:321
111391200,0ptp4l0-21swapper/108:27:141
111391200,0ptp4l0-21swapper/108:19:431
111391200,0ptp4l0-21swapper/108:11:301
111391200,0ptp4l0-21swapper/107:34:331
111391190,2ptp4l0-21swapper/107:10:551
111391190,0ptp4l0-21swapper/710:39:377
111391190,0ptp4l0-21swapper/511:42:375
111391190,0ptp4l0-21swapper/510:19:285
111391190,0ptp4l0-21swapper/507:26:435
111391190,0ptp4l0-21swapper/507:13:235
111391190,0ptp4l0-21swapper/310:40:073
111391190,0ptp4l0-21swapper/307:17:413
111391190,0ptp4l0-21swapper/212:08:132
111391190,0ptp4l0-21swapper/211:36:412
111391190,0ptp4l0-21swapper/208:58:492
111391190,0ptp4l0-21swapper/110:11:241
111391190,0ptp4l0-21swapper/109:35:401
111391190,0ptp4l0-21swapper/109:05:381
111391190,0ptp4l0-21swapper/007:46:590
111391190,0ptp4l0-21swapper/007:38:150
325202180,0sleep60-21swapper/609:22:076
111391180,0ptp4l0-21swapper/611:36:426
111391180,0ptp4l0-21swapper/609:58:326
111391180,0ptp4l0-21swapper/609:41:196
111391180,0ptp4l0-21swapper/609:41:186
111391180,0ptp4l0-21swapper/607:37:426
111391180,0ptp4l0-21swapper/507:40:565
111391180,0ptp4l0-21swapper/211:29:432
111391180,0ptp4l0-21swapper/211:21:202
111391180,0ptp4l0-21swapper/211:13:422
111391180,0ptp4l0-21swapper/111:06:591
111391180,0ptp4l0-21swapper/108:01:201
111391170,2ptp4l0-21swapper/107:55:221
111391170,0ptp4l0-21swapper/710:40:057
111391170,0ptp4l0-21swapper/611:21:216
111391170,0ptp4l0-21swapper/507:57:145
111391170,0ptp4l0-21swapper/111:42:361
111391160,0ptp4l0-21swapper/509:09:375
111391160,0ptp4l0-21swapper/508:54:585
111391160,0ptp4l0-21swapper/507:20:485
111391160,0ptp4l0-21swapper/211:09:532
111391160,0ptp4l0-21swapper/208:45:502
111391160,0ptp4l0-21swapper/108:59:271
111391150,0ptp4l0-21swapper/609:18:576
111391150,0ptp4l0-21swapper/609:00:246
111391150,0ptp4l0-21swapper/608:58:476
111391150,0ptp4l0-21swapper/608:45:536
111391150,0ptp4l0-21swapper/608:31:016
111391150,0ptp4l0-21swapper/608:26:276
111391150,0ptp4l0-21swapper/608:21:456
111391150,0ptp4l0-21swapper/607:59:136
111391150,0ptp4l0-21swapper/607:48:456
111391150,0ptp4l0-21swapper/607:29:136
111391150,0ptp4l0-21swapper/607:12:466
111391150,0ptp4l0-21swapper/508:06:065
111391150,0ptp4l0-21swapper/508:01:005
111391150,0ptp4l0-21swapper/507:31:345
111391150,0ptp4l0-21swapper/507:15:325
111391150,0ptp4l0-21swapper/308:06:573
111391150,0ptp4l0-21swapper/209:47:462
111391150,0ptp4l0-21swapper/209:00:252
111391150,0ptp4l0-21swapper/208:30:542
111391150,0ptp4l0-21swapper/208:15:292
111391150,0ptp4l0-21swapper/208:05:052
111391150,0ptp4l0-21swapper/207:59:182
111391150,0ptp4l0-21swapper/207:37:592
111391150,0ptp4l0-21swapper/207:29:162
111391150,0ptp4l0-21swapper/207:12:502
111391150,0ptp4l0-21swapper/108:51:161
111391150,0ptp4l0-21swapper/108:45:051
111391150,0ptp4l0-21swapper/108:06:051
111391150,0ptp4l0-21swapper/107:40:491
111391150,0ptp4l0-21swapper/107:20:431
111391150,0ptp4l0-21swapper/107:15:271
111391140,0ptp4l0-21swapper/608:15:316
111391140,0ptp4l0-21swapper/210:25:552
111391140,0ptp4l0-21swapper/208:25:432
111391140,0ptp4l0-21swapper/208:21:452
111391140,0ptp4l0-21swapper/207:17:032
31794991210,1cyclictest0-21swapper/709:10:017
3176699120,1cyclictest0-21swapper/311:55:143
3176699110,10cyclictest0-21swapper/311:02:473
3176699110,10cyclictest0-21swapper/309:36:123
3175899119,1cyclictest0-21swapper/212:00:172
3175899110,10cyclictest0-21swapper/211:45:482
3175899110,10cyclictest0-21swapper/210:18:342
3179499109,0cyclictest0-21swapper/708:50:137
3179499100,9cyclictest0-21swapper/712:16:057
3179499100,9cyclictest0-21swapper/712:16:057
3179499100,9cyclictest0-21swapper/711:03:387
3179499100,9cyclictest0-21swapper/709:53:427
3178699109,0cyclictest0-21swapper/611:40:116
3178699100,1cyclictest28036-21ssh10:48:106
3178699100,1cyclictest0-21swapper/609:30:126
3176699109,0cyclictest0-21swapper/310:06:223
3176699100,9cyclictest0-21swapper/311:34:413
3176699100,9cyclictest0-21swapper/311:13:293
3176699100,9cyclictest0-21swapper/309:45:553
3176699100,9cyclictest0-21swapper/309:27:043
3176699100,0cyclictest0-21swapper/309:56:003
3176699100,0cyclictest0-21swapper/308:45:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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