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2026-06-10 - 17:25

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 Jun 10, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,27ptp4l0-21swapper/707:05:217
111391650,61ptp4l0-21swapper/307:07:383
144842630,0sleep00-21swapper/008:25:160
1881915747,6phc2sys0-21swapper/207:05:292
170882570,0sleep00-21swapper/011:40:210
54502550,0sleep20-21swapper/209:56:572
51962550,0sleep41068-21runrttasks09:56:104
1035625432,7sleep50-21swapper/507:07:365
279752520,0sleep70-21swapper/710:28:097
1054025141,6sleep40-21swapper/407:09:524
894925033,11sleep00-21swapper/007:05:150
111391490,0ptp4l12654-21ls08:20:204
1043824929,7sleep10-21swapper/107:08:361
1046924836,7sleep60-21swapper/607:08:586
111391320,0ptp4l0-21swapper/512:30:525
111391320,0ptp4l0-21swapper/412:35:494
111391310,0ptp4l0-21swapper/512:26:045
111391310,0ptp4l0-21swapper/011:39:280
111391310,0ptp4l0-21swapper/011:15:170
111391310,0ptp4l0-21swapper/010:55:100
111391310,0ptp4l0-21swapper/010:34:190
111391310,0ptp4l0-21swapper/009:28:370
111391300,5ptp4l24884-21sort12:35:200
111391300,0ptp4l0-21swapper/612:34:476
111391300,0ptp4l0-21swapper/609:29:286
111391300,0ptp4l0-21swapper/511:47:305
111391300,0ptp4l0-21swapper/509:55:315
111391300,0ptp4l0-21swapper/411:49:054
111391300,0ptp4l0-21swapper/411:38:174
111391300,0ptp4l0-21swapper/011:33:260
111391300,0ptp4l0-21swapper/011:24:190
111391300,0ptp4l0-21swapper/010:47:360
111391300,0ptp4l0-21swapper/009:16:310
111391290,0ptp4l0-21swapper/612:02:546
111391290,0ptp4l0-21swapper/612:02:536
111391290,0ptp4l0-21swapper/411:02:224
111391290,0ptp4l0-21swapper/409:25:324
111391290,0ptp4l0-21swapper/310:40:163
111391290,0ptp4l0-21swapper/009:49:430
111391290,0ptp4l0-21swapper/009:41:130
111391280,1ptp4l9-21ksoftirqd/012:02:410
111391280,1ptp4l9-21ksoftirqd/012:02:410
111391280,0ptp4l0-21swapper/710:41:087
111391280,0ptp4l0-21swapper/710:35:057
111391280,0ptp4l0-21swapper/611:28:276
111391280,0ptp4l0-21swapper/611:22:556
111391280,0ptp4l0-21swapper/412:28:164
111391280,0ptp4l0-21swapper/411:52:084
111391280,0ptp4l0-21swapper/411:43:384
111391280,0ptp4l0-21swapper/411:27:244
111391280,0ptp4l0-21swapper/411:13:564
111391280,0ptp4l0-21swapper/410:07:134
111391280,0ptp4l0-21swapper/212:34:432
111391280,0ptp4l0-21swapper/212:17:002
111391280,0ptp4l0-21swapper/010:36:520
111391280,0ptp4l0-21swapper/010:19:400
111391280,0ptp4l0-21swapper/008:20:110
111391270,2ptp4l0-21swapper/611:13:056
111391270,0ptp4l0-21swapper/611:02:086
111391270,0ptp4l0-21swapper/511:25:555
111391270,0ptp4l0-21swapper/110:30:091
111391270,0ptp4l0-21swapper/012:27:460
111391270,0ptp4l0-21swapper/012:13:540
111391270,0ptp4l0-21swapper/012:07:100
111391270,0ptp4l0-21swapper/011:11:140
111391270,0ptp4l0-21swapper/010:23:100
111391270,0ptp4l0-21swapper/010:05:050
111391270,0ptp4l0-21swapper/009:36:450
111391270,0ptp4l0-21swapper/008:45:150
111391260,0ptp4l0-21swapper/511:39:535
111391260,0ptp4l0-21swapper/410:12:234
111391260,0ptp4l0-21swapper/410:04:024
111391260,0ptp4l0-21swapper/111:35:111
111391260,0ptp4l0-21swapper/011:06:280
111391260,0ptp4l0-21swapper/011:01:500
111391260,0ptp4l0-21swapper/010:52:030
111391260,0ptp4l0-21swapper/010:00:000
111391250,0ptp4l0-21swapper/712:03:377
111391250,0ptp4l0-21swapper/712:03:377
111391250,0ptp4l0-21swapper/507:50:155
111391250,0ptp4l0-21swapper/411:59:584
111391250,0ptp4l0-21swapper/411:30:534
111391250,0ptp4l0-21swapper/411:21:474
111391250,0ptp4l0-21swapper/411:19:214
111391250,0ptp4l0-21swapper/410:30:554
111391250,0ptp4l0-21swapper/410:15:174
111391250,0ptp4l0-21swapper/408:05:124
111391250,0ptp4l0-21swapper/011:29:260
111391250,0ptp4l0-21swapper/009:30:170
111391240,1ptp4l9939-21/usr/sbin/munin12:15:144
111391240,1ptp4l2011-21fw_forwarded_lo12:05:144
111391240,1ptp4l12259-21memory10:50:154
111391240,1ptp4l1081099cyclictest10:00:170
111391240,0ptp4l26741-21timerandwakeup10:25:180
111391240,0ptp4l1551-21diskmemload10:44:270
111391240,0ptp4l0-21swapper/610:54:436
111391240,0ptp4l0-21swapper/511:57:385
111391240,0ptp4l0-21swapper/510:35:035
111391240,0ptp4l0-21swapper/508:30:115
111391240,0ptp4l0-21swapper/508:25:565
111391240,0ptp4l0-21swapper/412:35:014
111391240,0ptp4l0-21swapper/412:02:344
111391240,0ptp4l0-21swapper/412:02:344
111391240,0ptp4l0-21swapper/410:23:554
111391240,0ptp4l0-21swapper/409:30:124
111391240,0ptp4l0-21swapper/409:00:134
111391240,0ptp4l0-21swapper/307:10:103
111391240,0ptp4l0-21swapper/107:30:111
111391240,0ptp4l0-21swapper/012:16:280
111391240,0ptp4l0-21swapper/010:10:590
111391230,2ptp4l0-21swapper/608:46:036
111391230,2ptp4l0-21swapper/008:40:250
111391230,2ptp4l0-21swapper/007:54:280
111391230,1ptp4l9367-21fw_forwarded_lo08:15:130
111391230,1ptp4l5521-21latency_hist09:15:000
111391230,1ptp4l25-21ksoftirqd/111:09:591
111391230,0ptp4l9-21ksoftirqd/011:54:010
111391230,0ptp4l720-21strings07:55:167
111391230,0ptp4l10667-21strings09:20:161
111391230,0ptp4l10667-21strings09:20:151
111391230,0ptp4l0-21swapper/609:20:016
111391230,0ptp4l0-21swapper/512:09:565
111391230,0ptp4l0-21swapper/510:30:145
111391230,0ptp4l0-21swapper/510:03:585
111391230,0ptp4l0-21swapper/509:22:495
111391230,0ptp4l0-21swapper/509:22:495
111391230,0ptp4l0-21swapper/508:45:135
111391230,0ptp4l0-21swapper/508:42:085
111391230,0ptp4l0-21swapper/508:15:165
111391230,0ptp4l0-21swapper/508:08:345
111391230,0ptp4l0-21swapper/508:00:455
111391230,0ptp4l0-21swapper/507:15:015
111391230,0ptp4l0-21swapper/412:20:114
111391230,0ptp4l0-21swapper/411:05:124
111391230,0ptp4l0-21swapper/410:35:194
111391230,0ptp4l0-21swapper/409:47:094
111391230,0ptp4l0-21swapper/409:41:524
111391230,0ptp4l0-21swapper/409:35:144
111391230,0ptp4l0-21swapper/409:15:134
111391230,0ptp4l0-21swapper/409:05:104
111391230,0ptp4l0-21swapper/408:55:144
111391230,0ptp4l0-21swapper/408:15:134
111391230,0ptp4l0-21swapper/407:45:174
111391230,0ptp4l0-21swapper/407:35:144
111391230,0ptp4l0-21swapper/407:33:134
111391230,0ptp4l0-21swapper/407:25:114
111391230,0ptp4l0-21swapper/407:25:004
111391230,0ptp4l0-21swapper/310:35:123
111391230,0ptp4l0-21swapper/309:28:323
111391230,0ptp4l0-21swapper/207:16:252
111391230,0ptp4l0-21swapper/112:10:131
111391230,0ptp4l0-21swapper/112:02:411
111391230,0ptp4l0-21swapper/112:02:411
111391230,0ptp4l0-21swapper/111:50:161
111391230,0ptp4l0-21swapper/111:47:431
111391230,0ptp4l0-21swapper/111:26:051
111391230,0ptp4l0-21swapper/111:14:591
111391230,0ptp4l0-21swapper/110:26:291
111391230,0ptp4l0-21swapper/109:55:121
111391230,0ptp4l0-21swapper/108:40:141
111391230,0ptp4l0-21swapper/012:31:330
111391230,0ptp4l0-21swapper/012:20:100
111391230,0ptp4l0-21swapper/011:56:570
111391230,0ptp4l0-21swapper/009:50:190
111391230,0ptp4l0-21swapper/008:55:100
111391230,0ptp4l0-21swapper/008:35:200
111391230,0ptp4l0-21swapper/008:32:450
111391230,0ptp4l0-21swapper/008:10:150
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:20:220
111391220,1ptp4l15940-21ssh12:24:585
111391220,0ptp4l0-21swapper/709:26:357
111391220,0ptp4l0-21swapper/709:11:557
111391220,0ptp4l0-21swapper/612:22:266
111391220,0ptp4l0-21swapper/610:01:296
111391220,0ptp4l0-21swapper/609:50:166
111391220,0ptp4l0-21swapper/609:05:016
111391220,0ptp4l0-21swapper/608:10:576
111391220,0ptp4l0-21swapper/607:50:566
111391220,0ptp4l0-21swapper/512:39:235
111391220,0ptp4l0-21swapper/512:17:445
111391220,0ptp4l0-21swapper/512:10:115
111391220,0ptp4l0-21swapper/511:50:115
111391220,0ptp4l0-21swapper/511:32:095
111391220,0ptp4l0-21swapper/511:21:505
111391220,0ptp4l0-21swapper/511:18:145
111391220,0ptp4l0-21swapper/511:10:175
111391220,0ptp4l0-21swapper/510:45:595
111391220,0ptp4l0-21swapper/510:25:165
111391220,0ptp4l0-21swapper/510:24:125
111391220,0ptp4l0-21swapper/510:12:595
111391220,0ptp4l0-21swapper/509:54:015
111391220,0ptp4l0-21swapper/509:45:195
111391220,0ptp4l0-21swapper/509:44:385
111391220,0ptp4l0-21swapper/509:33:125
111391220,0ptp4l0-21swapper/509:08:555
111391220,0ptp4l0-21swapper/509:02:165
111391220,0ptp4l0-21swapper/507:35:195
111391220,0ptp4l0-21swapper/507:30:115
111391220,0ptp4l0-21swapper/412:13:174
111391220,0ptp4l0-21swapper/410:55:114
111391220,0ptp4l0-21swapper/410:45:144
111391220,0ptp4l0-21swapper/410:42:214
111391220,0ptp4l0-21swapper/410:25:184
111391220,0ptp4l0-21swapper/409:50:444
111391220,0ptp4l0-21swapper/409:20:144
111391220,0ptp4l0-21swapper/409:20:134
111391220,0ptp4l0-21swapper/409:11:334
111391220,0ptp4l0-21swapper/408:50:114
111391220,0ptp4l0-21swapper/408:45:164
111391220,0ptp4l0-21swapper/408:35:234
111391220,0ptp4l0-21swapper/408:10:154
111391220,0ptp4l0-21swapper/408:00:164
111391220,0ptp4l0-21swapper/407:40:124
111391220,0ptp4l0-21swapper/407:15:104
111391220,0ptp4l0-21swapper/312:02:543
111391220,0ptp4l0-21swapper/312:02:533
111391220,0ptp4l0-21swapper/309:38:093
111391220,0ptp4l0-21swapper/309:12:013
111391220,0ptp4l0-21swapper/307:55:183
111391220,0ptp4l0-21swapper/212:14:342
111391220,0ptp4l0-21swapper/211:19:492
111391220,0ptp4l0-21swapper/210:51:002
111391220,0ptp4l0-21swapper/209:50:132
111391220,0ptp4l0-21swapper/209:49:582
111391220,0ptp4l0-21swapper/208:05:172
111391220,0ptp4l0-21swapper/207:35:012
111391220,0ptp4l0-21swapper/112:30:571
111391220,0ptp4l0-21swapper/112:25:141
111391220,0ptp4l0-21swapper/112:24:551
111391220,0ptp4l0-21swapper/112:08:381
111391220,0ptp4l0-21swapper/111:55:131
111391220,0ptp4l0-21swapper/111:17:541
111391220,0ptp4l0-21swapper/110:59:431
111391220,0ptp4l0-21swapper/110:45:571
111391220,0ptp4l0-21swapper/110:24:171
111391220,0ptp4l0-21swapper/110:06:061
111391220,0ptp4l0-21swapper/110:00:071
111391220,0ptp4l0-21swapper/109:55:001
111391220,0ptp4l0-21swapper/109:45:201
111391220,0ptp4l0-21swapper/109:44:061
111391220,0ptp4l0-21swapper/109:32:491
111391220,0ptp4l0-21swapper/109:10:151
111391220,0ptp4l0-21swapper/108:50:091
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/108:25:161
111391220,0ptp4l0-21swapper/108:15:211
111391220,0ptp4l0-21swapper/107:50:131
111391220,0ptp4l0-21swapper/107:15:191
111391220,0ptp4l0-21swapper/011:45:040
111391220,0ptp4l0-21swapper/009:20:110
111391220,0ptp4l0-21swapper/009:20:110
111391220,0ptp4l0-21swapper/009:05:190
111391220,0ptp4l0-21swapper/008:50:110
111391220,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l0-21swapper/007:35:120
111391220,0ptp4l0-21swapper/007:25:120
111391220,0ptp4l0-21swapper/007:15:100
111391210,1ptp4l21567-21memory07:30:160
111391210,0ptp4l0-21swapper/707:10:127
111391210,0ptp4l0-21swapper/612:17:016
111391210,0ptp4l0-21swapper/612:14:306
111391210,0ptp4l0-21swapper/611:53:436
111391210,0ptp4l0-21swapper/611:48:096
111391210,0ptp4l0-21swapper/610:18:576
111391210,0ptp4l0-21swapper/610:08:466
111391210,0ptp4l0-21swapper/609:39:146
111391210,0ptp4l0-21swapper/609:30:006
111391210,0ptp4l0-21swapper/512:04:105
111391210,0ptp4l0-21swapper/512:04:095
111391210,0ptp4l0-21swapper/511:09:425
111391210,0ptp4l0-21swapper/511:02:275
111391210,0ptp4l0-21swapper/510:53:115
111391210,0ptp4l0-21swapper/510:16:125
111391210,0ptp4l0-21swapper/509:36:045
111391210,0ptp4l0-21swapper/509:10:045
111391210,0ptp4l0-21swapper/408:30:344
111391210,0ptp4l0-21swapper/408:25:124
111391210,0ptp4l0-21swapper/407:55:134
111391210,0ptp4l0-21swapper/407:54:134
111391210,0ptp4l0-21swapper/310:49:333
111391210,0ptp4l0-21swapper/212:35:292
111391210,0ptp4l0-21swapper/212:22:282
111391210,0ptp4l0-21swapper/211:57:472
111391210,0ptp4l0-21swapper/211:33:582
111391210,0ptp4l0-21swapper/211:21:132
111391210,0ptp4l0-21swapper/211:02:102
111391210,0ptp4l0-21swapper/210:58:512
111391210,0ptp4l0-21swapper/210:18:472
111391210,0ptp4l0-21swapper/210:01:072
111391210,0ptp4l0-21swapper/209:43:052
111391210,0ptp4l0-21swapper/209:25:492
111391210,0ptp4l0-21swapper/209:23:452
111391210,0ptp4l0-21swapper/209:23:442
111391210,0ptp4l0-21swapper/209:18:382
111391210,0ptp4l0-21swapper/112:36:211
111391210,0ptp4l0-21swapper/112:17:431
111391210,0ptp4l0-21swapper/111:30:001
111391210,0ptp4l0-21swapper/111:04:311
111391210,0ptp4l0-21swapper/110:52:311
111391210,0ptp4l0-21swapper/110:19:441
111391210,0ptp4l0-21swapper/110:11:231
111391210,0ptp4l0-21swapper/109:36:531
111391210,0ptp4l0-21swapper/009:00:120
111391210,0ptp4l0-21swapper/007:55:110
111391210,0ptp4l0-21swapper/007:45:150
111391200,3ptp4l0-21swapper/108:45:121
111391200,0ptp4l41-21ksoftirqd/311:44:333
111391200,0ptp4l0-21swapper/711:57:127
111391200,0ptp4l0-21swapper/711:44:337
111391200,0ptp4l0-21swapper/709:37:467
111391200,0ptp4l0-21swapper/610:26:056
111391200,0ptp4l0-21swapper/609:46:416
111391200,0ptp4l0-21swapper/609:43:076
111391200,0ptp4l0-21swapper/609:25:016
111391200,0ptp4l0-21swapper/609:25:006
111391200,0ptp4l0-21swapper/608:05:146
111391200,0ptp4l0-21swapper/607:33:396
111391200,0ptp4l0-21swapper/508:50:005
111391200,0ptp4l0-21swapper/508:38:345
111391200,0ptp4l0-21swapper/507:49:495
111391200,0ptp4l0-21swapper/507:26:355
111391200,0ptp4l0-21swapper/311:57:043
111391200,0ptp4l0-21swapper/211:48:122
111391200,0ptp4l0-21swapper/211:28:222
111391200,0ptp4l0-21swapper/211:13:062
111391200,0ptp4l0-21swapper/210:06:512
111391200,0ptp4l0-21swapper/209:39:012
111391200,0ptp4l0-21swapper/209:30:022
111391200,0ptp4l0-21swapper/209:01:262
111391200,0ptp4l0-21swapper/207:23:312
111391200,0ptp4l0-21swapper/110:38:261
111391200,0ptp4l0-21swapper/107:49:541
111391190,0ptp4l0-21swapper/710:49:377
111391190,0ptp4l0-21swapper/610:58:556
111391190,0ptp4l0-21swapper/609:56:036
111391190,0ptp4l0-21swapper/510:56:145
111391190,0ptp4l0-21swapper/510:06:455
111391190,0ptp4l0-21swapper/507:59:055
111391190,0ptp4l0-21swapper/211:53:442
111391190,0ptp4l0-21swapper/210:26:032
111391190,0ptp4l0-21swapper/208:10:382
111391190,0ptp4l0-21swapper/207:50:582
111391190,0ptp4l0-21swapper/108:01:381
111391190,0ptp4l0-21swapper/107:35:181
111391180,0ptp4l0-21swapper/511:41:325
111391180,0ptp4l0-21swapper/308:43:403
111391180,0ptp4l0-21swapper/111:22:351
111391180,0ptp4l0-21swapper/108:14:551
111391180,0ptp4l0-21swapper/108:08:391
111391170,0ptp4l0-21swapper/611:19:566
111391170,0ptp4l0-21swapper/609:01:076
111391170,0ptp4l0-21swapper/111:41:241
111391170,0ptp4l0-21swapper/108:39:401
111391170,0ptp4l0-21swapper/107:57:501
111391160,0ptp4l0-21swapper/708:43:527
111391160,0ptp4l0-21swapper/508:57:225
111391160,0ptp4l0-21swapper/507:14:185
111391160,0ptp4l0-21swapper/408:40:534
111391160,0ptp4l0-21swapper/407:14:254
111391160,0ptp4l0-21swapper/109:08:571
111391160,0ptp4l0-21swapper/109:02:561
111391160,0ptp4l0-21swapper/108:24:441
111391160,0ptp4l0-21swapper/107:29:131
111391160,0ptp4l0-21swapper/107:21:241
111391150,0ptp4l0-21swapper/707:32:207
111391150,0ptp4l0-21swapper/612:35:286
111391150,0ptp4l0-21swapper/608:55:486
111391150,0ptp4l0-21swapper/608:51:196
111391150,0ptp4l0-21swapper/608:44:296
111391150,0ptp4l0-21swapper/607:35:036
111391150,0ptp4l0-21swapper/607:23:296
111391150,0ptp4l0-21swapper/508:24:465
111391150,0ptp4l0-21swapper/507:42:125
111391150,0ptp4l0-21swapper/507:21:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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