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2026-08-26 - 15:38

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 Wed Aug 26, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
851626534,16sleep70-21swapper/707:07:167
111391640,6ptp4l0-21swapper/407:08:224
111391610,23ptp4l0-21swapper/007:06:230
301782580,1sleep630180-21irqrtprio11:25:146
842125534,7sleep30-21swapper/307:05:593
111391550,5ptp4l0-21swapper/107:05:061
852225241,7sleep20-21swapper/207:07:192
111391500,0ptp4l27520-21ssh09:48:384
111391480,5ptp4l0-21swapper/507:05:165
843324634,7sleep60-21swapper/607:06:106
111391360,0ptp4l0-21swapper/412:30:014
111391360,0ptp4l0-21swapper/409:21:304
111391330,0ptp4l0-21swapper/412:02:444
111391320,0ptp4l0-21swapper/409:31:094
111391320,0ptp4l0-21swapper/409:31:094
111391320,0ptp4l0-21swapper/010:01:590
111391320,0ptp4l0-21swapper/009:33:340
111391320,0ptp4l0-21swapper/009:33:340
111391310,2ptp4l0-21swapper/409:40:174
111391300,2ptp4l0-21swapper/412:34:174
111391300,0ptp4l0-21swapper/412:35:424
111391300,0ptp4l0-21swapper/411:50:404
111391300,0ptp4l0-21swapper/411:22:024
111391300,0ptp4l0-21swapper/410:07:404
111391300,0ptp4l0-21swapper/409:58:364
111391300,0ptp4l0-21swapper/409:25:144
111391300,0ptp4l0-21swapper/409:12:234
111391300,0ptp4l0-21swapper/407:35:144
111391300,0ptp4l0-21swapper/012:28:130
111391300,0ptp4l0-21swapper/011:35:310
111391290,3ptp4l641ktimersoftd/611:31:386
111391290,3ptp4l0-21swapper/012:20:370
111391290,0ptp4l0-21swapper/610:11:006
111391290,0ptp4l0-21swapper/412:08:564
111391290,0ptp4l0-21swapper/412:08:554
111391290,0ptp4l0-21swapper/411:48:584
111391290,0ptp4l0-21swapper/410:36:584
111391290,0ptp4l0-21swapper/012:18:080
111391290,0ptp4l0-21swapper/011:00:580
111391280,0ptp4l0-21swapper/412:19:014
111391280,0ptp4l0-21swapper/411:41:354
111391280,0ptp4l0-21swapper/011:15:010
111391280,0ptp4l0-21swapper/010:42:590
111391280,0ptp4l0-21swapper/009:37:440
111391280,0ptp4l0-21swapper/009:37:440
111391280,0ptp4l0-21swapper/009:26:470
111391270,2ptp4l101ktimersoftd/011:52:300
111391270,0ptp4l0-21swapper/410:29:274
111391270,0ptp4l0-21swapper/410:11:394
111391270,0ptp4l0-21swapper/111:34:321
111391270,0ptp4l0-21swapper/010:56:290
111391270,0ptp4l0-21swapper/010:51:500
111391270,0ptp4l0-21swapper/010:21:430
111391270,0ptp4l0-21swapper/008:59:400
111391260,0ptp4l19978-21ps07:30:170
111391260,0ptp4l0-21swapper/511:37:295
111391260,0ptp4l0-21swapper/411:36:424
111391260,0ptp4l0-21swapper/411:26:364
111391260,0ptp4l0-21swapper/410:03:094
111391260,0ptp4l0-21swapper/111:36:041
111391260,0ptp4l0-21swapper/111:03:101
111391260,0ptp4l0-21swapper/109:46:121
111391260,0ptp4l0-21swapper/012:34:160
111391260,0ptp4l0-21swapper/012:01:270
111391260,0ptp4l0-21swapper/011:28:210
111391260,0ptp4l0-21swapper/010:27:250
111391260,0ptp4l0-21swapper/009:54:170
111391260,0ptp4l0-21swapper/009:15:120
111391250,1ptp4l27630-21diskstats10:35:140
111391250,0ptp4l0-21swapper/510:25:155
111391250,0ptp4l0-21swapper/411:09:554
111391250,0ptp4l0-21swapper/411:00:214
111391250,0ptp4l0-21swapper/410:42:494
111391250,0ptp4l0-21swapper/410:16:014
111391250,0ptp4l0-21swapper/409:35:474
111391250,0ptp4l0-21swapper/409:35:474
111391250,0ptp4l0-21swapper/408:40:004
111391250,0ptp4l0-21swapper/109:41:311
111391250,0ptp4l0-21swapper/012:36:100
111391250,0ptp4l0-21swapper/012:10:210
111391250,0ptp4l0-21swapper/011:58:480
111391250,0ptp4l0-21swapper/009:55:040
111391250,0ptp4l0-21swapper/009:22:240
111391250,0ptp4l0-21swapper/009:15:000
111391250,0ptp4l0-21swapper/008:40:170
111391250,0ptp4l0-21swapper/008:10:200
111391240,1ptp4l5146-21sed10:50:005
111391240,1ptp4l23821-21df_inode07:40:124
111391240,1ptp4l13501-21/usr/sbin/munin10:15:100
111391240,1ptp4l1011-21sort08:00:154
111391240,0ptp4l0-21swapper/610:57:556
111391240,0ptp4l0-21swapper/511:46:155
111391240,0ptp4l0-21swapper/510:08:325
111391240,0ptp4l0-21swapper/412:11:134
111391240,0ptp4l0-21swapper/411:30:124
111391240,0ptp4l0-21swapper/411:10:434
111391240,0ptp4l0-21swapper/410:20:134
111391240,0ptp4l0-21swapper/409:52:504
111391240,0ptp4l0-21swapper/409:15:114
111391240,0ptp4l0-21swapper/408:33:184
111391240,0ptp4l0-21swapper/408:10:204
111391240,0ptp4l0-21swapper/407:25:014
111391240,0ptp4l0-21swapper/308:05:203
111391240,0ptp4l0-21swapper/211:25:122
111391240,0ptp4l0-21swapper/110:55:161
111391240,0ptp4l0-21swapper/110:02:241
111391240,0ptp4l0-21swapper/011:13:250
111391240,0ptp4l0-21swapper/010:46:540
111391240,0ptp4l0-21swapper/010:08:250
111391240,0ptp4l0-21swapper/009:47:400
111391240,0ptp4l0-21swapper/009:45:010
111391240,0ptp4l0-21swapper/008:35:000
111391240,0ptp4l0-21swapper/007:21:180
111391230,2ptp4l11107-21kworker/u16:211:45:561
111391230,1ptp4l9-21ksoftirqd/008:45:160
111391230,1ptp4l29137-21sort09:00:200
111391230,1ptp4l2094-21cpuspeed_turbos10:45:144
111391230,0ptp4l2824-21sort12:20:017
111391230,0ptp4l0-21swapper/712:38:457
111391230,0ptp4l0-21swapper/708:50:197
111391230,0ptp4l0-21swapper/609:15:146
111391230,0ptp4l0-21swapper/512:35:135
111391230,0ptp4l0-21swapper/511:07:355
111391230,0ptp4l0-21swapper/510:43:375
111391230,0ptp4l0-21swapper/510:37:295
111391230,0ptp4l0-21swapper/510:00:145
111391230,0ptp4l0-21swapper/507:10:135
111391230,0ptp4l0-21swapper/412:20:214
111391230,0ptp4l0-21swapper/411:15:154
111391230,0ptp4l0-21swapper/410:55:064
111391230,0ptp4l0-21swapper/410:34:494
111391230,0ptp4l0-21swapper/408:55:174
111391230,0ptp4l0-21swapper/408:45:004
111391230,0ptp4l0-21swapper/408:25:134
111391230,0ptp4l0-21swapper/408:25:004
111391230,0ptp4l0-21swapper/408:15:134
111391230,0ptp4l0-21swapper/407:50:124
111391230,0ptp4l0-21swapper/407:45:204
111391230,0ptp4l0-21swapper/407:30:164
111391230,0ptp4l0-21swapper/407:15:124
111391230,0ptp4l0-21swapper/112:09:121
111391230,0ptp4l0-21swapper/112:09:111
111391230,0ptp4l0-21swapper/111:40:201
111391230,0ptp4l0-21swapper/110:41:291
111391230,0ptp4l0-21swapper/108:25:151
111391230,0ptp4l0-21swapper/012:05:190
111391230,0ptp4l0-21swapper/012:05:180
111391230,0ptp4l0-21swapper/011:45:200
111391230,0ptp4l0-21swapper/011:20:120
111391230,0ptp4l0-21swapper/011:05:190
111391230,0ptp4l0-21swapper/010:10:190
111391230,0ptp4l0-21swapper/008:27:310
111391230,0ptp4l0-21swapper/008:20:200
111391230,0ptp4l0-21swapper/008:15:200
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:25:120
111391230,0ptp4l0-21swapper/007:15:130
111391220,3ptp4l0-21swapper/407:57:274
111391220,0ptp4l32120-21diskmemload10:51:464
111391220,0ptp4l0-21swapper/708:05:167
111391220,0ptp4l0-21swapper/610:50:126
111391220,0ptp4l0-21swapper/511:42:575
111391220,0ptp4l0-21swapper/510:23:275
111391220,0ptp4l0-21swapper/510:20:015
111391220,0ptp4l0-21swapper/509:51:545
111391220,0ptp4l0-21swapper/509:11:145
111391220,0ptp4l0-21swapper/411:55:154
111391220,0ptp4l0-21swapper/409:05:164
111391220,0ptp4l0-21swapper/409:00:194
111391220,0ptp4l0-21swapper/408:50:004
111391220,0ptp4l0-21swapper/408:45:154
111391220,0ptp4l0-21swapper/407:25:154
111391220,0ptp4l0-21swapper/311:35:013
111391220,0ptp4l0-21swapper/308:50:133
111391220,0ptp4l0-21swapper/308:04:573
111391220,0ptp4l0-21swapper/210:50:192
111391220,0ptp4l0-21swapper/209:15:142
111391220,0ptp4l0-21swapper/209:05:122
111391220,0ptp4l0-21swapper/112:01:151
111391220,0ptp4l0-21swapper/111:10:201
111391220,0ptp4l0-21swapper/110:25:071
111391220,0ptp4l0-21swapper/110:20:031
111391220,0ptp4l0-21swapper/110:06:261
111391220,0ptp4l0-21swapper/109:26:401
111391220,0ptp4l0-21swapper/107:10:181
111391220,0ptp4l0-21swapper/011:40:120
111391220,0ptp4l0-21swapper/011:30:180
111391220,0ptp4l0-21swapper/010:30:160
111391220,0ptp4l0-21swapper/009:05:190
111391220,0ptp4l0-21swapper/007:45:120
111391220,0ptp4l0-21swapper/007:40:160
111391220,0ptp4l0-21swapper/007:10:160
111391210,0ptp4l0-21swapper/712:20:087
111391210,0ptp4l0-21swapper/612:00:096
111391210,0ptp4l0-21swapper/611:53:156
111391210,0ptp4l0-21swapper/610:48:036
111391210,0ptp4l0-21swapper/610:18:296
111391210,0ptp4l0-21swapper/607:27:106
111391210,0ptp4l0-21swapper/511:30:375
111391210,0ptp4l0-21swapper/511:29:075
111391210,0ptp4l0-21swapper/509:55:225
111391210,0ptp4l0-21swapper/509:44:415
111391210,0ptp4l0-21swapper/508:25:155
111391210,0ptp4l0-21swapper/408:08:114
111391210,0ptp4l0-21swapper/312:20:073
111391210,0ptp4l0-21swapper/311:35:023
111391210,0ptp4l0-21swapper/309:37:363
111391210,0ptp4l0-21swapper/309:37:353
111391210,0ptp4l0-21swapper/212:00:062
111391210,0ptp4l0-21swapper/210:58:042
111391210,0ptp4l0-21swapper/210:23:182
111391210,0ptp4l0-21swapper/112:36:141
111391210,0ptp4l0-21swapper/112:22:061
111391210,0ptp4l0-21swapper/112:16:481
111391210,0ptp4l0-21swapper/111:08:181
111391210,0ptp4l0-21swapper/110:54:431
111391210,0ptp4l0-21swapper/110:49:281
111391210,0ptp4l0-21swapper/110:18:571
111391210,0ptp4l0-21swapper/110:11:201
111391210,0ptp4l0-21swapper/109:54:451
111391210,0ptp4l0-21swapper/109:33:421
111391210,0ptp4l0-21swapper/109:33:411
111391210,0ptp4l0-21swapper/109:24:321
111391210,0ptp4l0-21swapper/109:11:131
111391210,0ptp4l0-21swapper/109:00:201
111391210,0ptp4l0-21swapper/108:45:181
111391210,0ptp4l0-21swapper/108:17:261
111391210,0ptp4l0-21swapper/107:35:111
111391210,0ptp4l0-21swapper/008:35:150
111391210,0ptp4l0-21swapper/008:00:130
111391210,0ptp4l0-21swapper/007:50:190
111391210,0ptp4l0-21swapper/007:36:180
111391200,0ptp4l0-21swapper/610:23:396
111391200,0ptp4l0-21swapper/608:02:396
111391200,0ptp4l0-21swapper/512:30:245
111391200,0ptp4l0-21swapper/512:27:325
111391200,0ptp4l0-21swapper/512:19:165
111391200,0ptp4l0-21swapper/512:05:175
111391200,0ptp4l0-21swapper/512:05:175
111391200,0ptp4l0-21swapper/511:17:025
111391200,0ptp4l0-21swapper/510:56:225
111391200,0ptp4l0-21swapper/510:54:355
111391200,0ptp4l0-21swapper/510:11:145
111391200,0ptp4l0-21swapper/509:45:595
111391200,0ptp4l0-21swapper/508:53:265
111391200,0ptp4l0-21swapper/508:14:465
111391200,0ptp4l0-21swapper/507:44:155
111391200,0ptp4l0-21swapper/407:10:114
111391200,0ptp4l0-21swapper/312:19:563
111391200,0ptp4l0-21swapper/211:53:162
111391200,0ptp4l0-21swapper/211:43:042
111391200,0ptp4l0-21swapper/210:48:082
111391200,0ptp4l0-21swapper/210:18:292
111391200,0ptp4l0-21swapper/209:34:542
111391200,0ptp4l0-21swapper/209:34:532
111391200,0ptp4l0-21swapper/209:23:592
111391200,0ptp4l0-21swapper/112:13:421
111391200,0ptp4l0-21swapper/111:28:271
111391200,0ptp4l0-21swapper/111:21:041
111391200,0ptp4l0-21swapper/111:15:091
111391200,0ptp4l0-21swapper/109:55:201
111391200,0ptp4l0-21swapper/109:17:241
111391200,0ptp4l0-21swapper/109:08:251
111391200,0ptp4l0-21swapper/108:44:401
111391200,0ptp4l0-21swapper/108:06:151
111391190,0ptp4l0-21swapper/711:34:567
111391190,0ptp4l0-21swapper/708:04:537
111391190,0ptp4l0-21swapper/609:23:566
111391190,0ptp4l0-21swapper/607:10:386
111391190,0ptp4l0-21swapper/512:01:155
111391190,0ptp4l0-21swapper/511:57:365
111391190,0ptp4l0-21swapper/511:02:355
111391190,0ptp4l0-21swapper/508:56:035
111391190,0ptp4l0-21swapper/508:09:395
111391190,0ptp4l0-21swapper/211:11:302
111391190,0ptp4l0-21swapper/210:10:502
111391190,0ptp4l0-21swapper/207:23:102
111391190,0ptp4l0-21swapper/111:56:381
111391190,0ptp4l0-21swapper/110:36:031
111391190,0ptp4l0-21swapper/109:38:361
111391190,0ptp4l0-21swapper/109:38:361
111391190,0ptp4l0-21swapper/108:11:151
111391180,0ptp4l0-21swapper/711:35:017
111391180,0ptp4l0-21swapper/611:11:276
111391180,0ptp4l0-21swapper/512:22:085
111391180,0ptp4l0-21swapper/511:10:105
111391180,0ptp4l0-21swapper/510:32:475
111391180,0ptp4l0-21swapper/509:29:325
111391180,0ptp4l0-21swapper/508:45:195
111391180,0ptp4l0-21swapper/312:38:403
111391180,0ptp4l0-21swapper/112:27:321
111391180,0ptp4l0-21swapper/008:08:150
310872170,0sleep20-21swapper/207:55:152
255042170,0sleep1231rcuc/110:30:221
187762170,0sleep30-21swapper/311:55:163
111391170,2ptp4l0-21swapper/108:57:061
111391170,2ptp4l0-21swapper/108:52:411
111391170,0ptp4l32120-21diskmemload10:25:046
111391170,0ptp4l0-21swapper/709:37:347
111391170,0ptp4l0-21swapper/709:37:347
111391170,0ptp4l0-21swapper/611:40:066
111391170,0ptp4l0-21swapper/611:24:366
111391170,0ptp4l0-21swapper/610:44:086
111391170,0ptp4l0-21swapper/609:34:586
111391170,0ptp4l0-21swapper/609:34:586
111391170,0ptp4l0-21swapper/607:23:116
111391170,0ptp4l0-21swapper/512:13:115
111391170,0ptp4l0-21swapper/511:21:055
111391170,0ptp4l0-21swapper/509:24:325
111391170,0ptp4l0-21swapper/509:00:215
111391170,0ptp4l0-21swapper/507:35:115
111391170,0ptp4l0-21swapper/208:06:532
111391170,0ptp4l0-21swapper/112:30:211
111391170,0ptp4l0-21swapper/111:54:571
111391160,0ptp4l0-21swapper/609:05:016
111391160,0ptp4l0-21swapper/608:48:226
111391160,0ptp4l0-21swapper/509:39:445
111391160,0ptp4l0-21swapper/509:39:445
111391160,0ptp4l0-21swapper/508:36:535
111391160,0ptp4l0-21swapper/508:17:185
111391160,0ptp4l0-21swapper/508:03:365
111391160,0ptp4l0-21swapper/211:24:352
111391160,0ptp4l0-21swapper/208:36:072
111391160,0ptp4l0-21swapper/108:36:501
111391160,0ptp4l0-21swapper/108:02:271
111391160,0ptp4l0-21swapper/107:57:421
111391160,0ptp4l0-21swapper/107:42:001
111391160,0ptp4l0-21swapper/107:24:291
111391160,0ptp4l0-21swapper/107:15:421
111391160,0ptp4l0-21swapper/008:53:480
9056991513,1cyclictest0-21swapper/709:20:167
111391150,0ptp4l0-21swapper/609:04:556
111391150,0ptp4l0-21swapper/608:59:016
111391150,0ptp4l0-21swapper/608:53:116
111391150,0ptp4l0-21swapper/608:17:006
111391150,0ptp4l0-21swapper/608:13:476
111391150,0ptp4l0-21swapper/608:06:596
111391150,0ptp4l0-21swapper/607:58:586
111391150,0ptp4l0-21swapper/607:33:096
111391150,0ptp4l0-21swapper/509:05:355
111391150,0ptp4l0-21swapper/508:41:085
111391150,0ptp4l0-21swapper/508:31:465
111391150,0ptp4l0-21swapper/507:59:165
111391150,0ptp4l0-21swapper/507:49:235
111391150,0ptp4l0-21swapper/507:30:375
111391150,0ptp4l0-21swapper/507:28:115
111391150,0ptp4l0-21swapper/507:20:515
111391150,0ptp4l0-21swapper/507:15:425
111391150,0ptp4l0-21swapper/308:46:373
111391150,0ptp4l0-21swapper/210:44:072
111391150,0ptp4l0-21swapper/209:04:222
111391150,0ptp4l0-21swapper/208:53:182
111391150,0ptp4l0-21swapper/208:49:422
111391150,0ptp4l0-21swapper/208:13:432
111391150,0ptp4l0-21swapper/208:02:422
111391150,0ptp4l0-21swapper/207:30:532
111391150,0ptp4l0-21swapper/207:27:132
111391150,0ptp4l0-21swapper/207:10:302
111391150,0ptp4l0-21swapper/108:31:431
111391150,0ptp4l0-21swapper/108:20:261
111391150,0ptp4l0-21swapper/107:51:161
111391150,0ptp4l0-21swapper/107:45:481
111391150,0ptp4l0-21swapper/107:30:371
111391150,0ptp4l0-21swapper/107:28:261
9056991411,1cyclictest7049-21turbostat09:20:007
111391140,0ptp4l0-21swapper/708:46:397
111391140,0ptp4l0-21swapper/607:40:536
111391140,0ptp4l0-21swapper/508:20:265
111391140,0ptp4l0-21swapper/507:53:065
111391140,0ptp4l0-21swapper/210:25:012
111391140,0ptp4l0-21swapper/208:58:512
111391140,0ptp4l0-21swapper/208:16:572
111391140,0ptp4l0-21swapper/207:40:542
901999110,1cyclictest0-21swapper/212:06:292
901999110,1cyclictest0-21swapper/212:06:292
905699109,0cyclictest0-21swapper/711:27:337
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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