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2026-05-01 - 21:44

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 Fri May 01, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119021020,0sleep00-21swapper/010:27:130
111391630,5ptp4l0-21swapper/107:09:441
121012620,0sleep50-21swapper/509:16:455
111391610,5ptp4l0-21swapper/007:05:540
196572600,1sleep1241ktimersoftd/110:09:591
111391600,5ptp4l0-21swapper/507:08:555
111391580,6ptp4l0-21swapper/407:05:064
1447725543,7sleep20-21swapper/207:09:552
1414825543,7sleep70-21swapper/707:05:457
1429925433,7sleep30-21swapper/307:07:413
1438424939,6sleep60-21swapper/607:08:486
111391320,0ptp4l0-21swapper/407:35:144
111391310,6ptp4l0-21swapper/409:37:544
111391310,0ptp4l0-21swapper/610:24:016
111391310,0ptp4l0-21swapper/410:46:304
111391310,0ptp4l0-21swapper/409:49:364
111391310,0ptp4l0-21swapper/009:49:580
111391300,0ptp4l0-21swapper/410:51:024
111391300,0ptp4l0-21swapper/410:11:304
111391300,0ptp4l0-21swapper/209:28:042
111391300,0ptp4l0-21swapper/109:35:501
111391300,0ptp4l0-21swapper/009:13:180
111391300,0ptp4l0-21swapper/009:13:170
111391290,0ptp4l0-21swapper/510:17:215
111391290,0ptp4l0-21swapper/410:39:154
111391290,0ptp4l0-21swapper/112:10:121
111391290,0ptp4l0-21swapper/111:53:541
111391290,0ptp4l0-21swapper/111:53:541
111391290,0ptp4l0-21swapper/110:51:371
111391290,0ptp4l0-21swapper/109:19:321
111391290,0ptp4l0-21swapper/012:18:590
111391290,0ptp4l0-21swapper/010:57:100
111391290,0ptp4l0-21swapper/010:09:370
111391280,0ptp4l0-21swapper/511:14:495
111391280,0ptp4l0-21swapper/412:31:074
111391280,0ptp4l0-21swapper/411:52:384
111391280,0ptp4l0-21swapper/411:52:374
111391280,0ptp4l0-21swapper/411:09:504
111391280,0ptp4l0-21swapper/410:57:404
111391280,0ptp4l0-21swapper/410:05:504
111391280,0ptp4l0-21swapper/409:50:424
111391280,0ptp4l0-21swapper/409:41:204
111391280,0ptp4l0-21swapper/310:18:493
111391280,0ptp4l0-21swapper/110:45:241
111391280,0ptp4l0-21swapper/109:44:511
111391280,0ptp4l0-21swapper/012:05:430
111391280,0ptp4l0-21swapper/011:43:420
111391280,0ptp4l0-21swapper/010:53:590
111391280,0ptp4l0-21swapper/010:15:360
111391280,0ptp4l0-21swapper/009:55:470
111391270,0ptp4l0-21swapper/512:28:285
111391270,0ptp4l0-21swapper/511:43:005
111391270,0ptp4l0-21swapper/412:03:074
111391270,0ptp4l0-21swapper/410:03:194
111391270,0ptp4l0-21swapper/409:11:144
111391270,0ptp4l0-21swapper/409:11:144
111391270,0ptp4l0-21swapper/408:40:164
111391270,0ptp4l0-21swapper/310:37:413
111391270,0ptp4l0-21swapper/111:59:361
111391270,0ptp4l0-21swapper/110:21:101
111391270,0ptp4l0-21swapper/109:56:571
111391270,0ptp4l0-21swapper/108:50:161
111391270,0ptp4l0-21swapper/012:27:170
111391270,0ptp4l0-21swapper/011:33:130
111391270,0ptp4l0-21swapper/010:35:190
111391270,0ptp4l0-21swapper/010:23:420
111391270,0ptp4l0-21swapper/010:01:320
111391260,1ptp4l22676-21ssh11:38:544
111391260,1ptp4l16832-21ssh12:13:540
111391260,0ptp4l0-21swapper/711:51:427
111391260,0ptp4l0-21swapper/711:51:417
111391260,0ptp4l0-21swapper/711:07:427
111391260,0ptp4l0-21swapper/509:31:435
111391260,0ptp4l0-21swapper/508:15:205
111391260,0ptp4l0-21swapper/411:56:444
111391260,0ptp4l0-21swapper/411:31:344
111391260,0ptp4l0-21swapper/411:26:114
111391260,0ptp4l0-21swapper/411:04:284
111391260,0ptp4l0-21swapper/410:44:404
111391260,0ptp4l0-21swapper/410:31:164
111391260,0ptp4l0-21swapper/409:18:514
111391260,0ptp4l0-21swapper/312:01:303
111391260,0ptp4l0-21swapper/311:49:323
111391260,0ptp4l0-21swapper/311:08:103
111391260,0ptp4l0-21swapper/208:00:142
111391260,0ptp4l0-21swapper/112:15:101
111391260,0ptp4l0-21swapper/108:19:521
111391260,0ptp4l0-21swapper/107:25:001
111391260,0ptp4l0-21swapper/011:56:490
111391260,0ptp4l0-21swapper/009:25:150
111391260,0ptp4l0-21swapper/009:24:080
111391250,2ptp4l481ktimersoftd/410:20:294
111391250,1ptp4l824-21fw_conntrack12:35:114
111391250,1ptp4l32447-21cat07:45:160
111391250,1ptp4l27679-21hddtemp_smartct11:45:144
111391250,1ptp4l26586-21sh10:18:367
111391250,1ptp4l26136-21expr09:35:145
111391250,1ptp4l25371-21uname07:30:155
111391250,1ptp4l10580-21smartctl10:40:121
111391250,0ptp4l121rcu_preempt09:19:260
111391250,0ptp4l0-21swapper/710:11:017
111391250,0ptp4l0-21swapper/512:15:095
111391250,0ptp4l0-21swapper/511:25:145
111391250,0ptp4l0-21swapper/412:06:294
111391250,0ptp4l0-21swapper/411:42:194
111391250,0ptp4l0-21swapper/411:10:154
111391250,0ptp4l0-21swapper/408:00:184
111391250,0ptp4l0-21swapper/210:47:222
111391250,0ptp4l0-21swapper/112:37:591
111391250,0ptp4l0-21swapper/112:03:411
111391250,0ptp4l0-21swapper/111:46:441
111391250,0ptp4l0-21swapper/111:30:111
111391250,0ptp4l0-21swapper/109:34:141
111391250,0ptp4l0-21swapper/012:25:010
111391250,0ptp4l0-21swapper/011:35:120
111391250,0ptp4l0-21swapper/011:04:230
111391250,0ptp4l0-21swapper/010:46:240
111391250,0ptp4l0-21swapper/010:41:220
111391250,0ptp4l0-21swapper/010:30:360
111391250,0ptp4l0-21swapper/009:54:220
111391240,1ptp4l8752-21/usr/sbin/munin11:20:111
111391240,1ptp4l868-21cpuspeed_turbos09:45:121
111391240,1ptp4l4754-21cpuspeed_turbos11:15:124
111391240,1ptp4l33-21ksoftirqd/211:39:552
111391240,1ptp4l32353-21smart_sda11:50:183
111391240,1ptp4l32353-21smart_sda11:50:183
111391240,1ptp4l20168-21df_inode08:30:114
111391240,1ptp4l16723-21irqstats10:05:155
111391240,0ptp4l5518-21diskmemload09:32:484
111391240,0ptp4l0-21swapper/611:13:016
111391240,0ptp4l0-21swapper/512:10:185
111391240,0ptp4l0-21swapper/512:08:355
111391240,0ptp4l0-21swapper/512:00:195
111391240,0ptp4l0-21swapper/511:46:045
111391240,0ptp4l0-21swapper/511:22:305
111391240,0ptp4l0-21swapper/510:40:155
111391240,0ptp4l0-21swapper/509:56:325
111391240,0ptp4l0-21swapper/509:42:465
111391240,0ptp4l0-21swapper/509:06:335
111391240,0ptp4l0-21swapper/508:35:115
111391240,0ptp4l0-21swapper/507:10:145
111391240,0ptp4l0-21swapper/412:15:574
111391240,0ptp4l0-21swapper/412:10:104
111391240,0ptp4l0-21swapper/411:22:044
111391240,0ptp4l0-21swapper/410:29:504
111391240,0ptp4l0-21swapper/409:25:154
111391240,0ptp4l0-21swapper/409:24:414
111391240,0ptp4l0-21swapper/408:25:104
111391240,0ptp4l0-21swapper/208:50:122
111391240,0ptp4l0-21swapper/112:30:021
111391240,0ptp4l0-21swapper/111:25:131
111391240,0ptp4l0-21swapper/110:55:131
111391240,0ptp4l0-21swapper/110:27:341
111391240,0ptp4l0-21swapper/107:55:101
111391240,0ptp4l0-21swapper/011:25:500
111391240,0ptp4l0-21swapper/011:11:480
111391240,0ptp4l0-21swapper/009:43:400
111391240,0ptp4l0-21swapper/009:39:520
111391240,0ptp4l0-21swapper/009:00:000
111391240,0ptp4l0-21swapper/008:34:590
111391240,0ptp4l0-21swapper/007:40:130
111391230,1ptp4l27925-21switchtime08:45:204
111391230,1ptp4l21576-21ssh09:30:090
111391230,0ptp4l0-21swapper/712:01:217
111391230,0ptp4l0-21swapper/710:20:127
111391230,0ptp4l0-21swapper/708:55:127
111391230,0ptp4l0-21swapper/612:07:246
111391230,0ptp4l0-21swapper/609:32:336
111391230,0ptp4l0-21swapper/608:00:136
111391230,0ptp4l0-21swapper/512:37:575
111391230,0ptp4l0-21swapper/512:30:175
111391230,0ptp4l0-21swapper/512:20:195
111391230,0ptp4l0-21swapper/511:30:125
111391230,0ptp4l0-21swapper/511:19:385
111391230,0ptp4l0-21swapper/511:00:135
111391230,0ptp4l0-21swapper/510:55:065
111391230,0ptp4l0-21swapper/510:48:345
111391230,0ptp4l0-21swapper/510:39:545
111391230,0ptp4l0-21swapper/510:25:575
111391230,0ptp4l0-21swapper/510:03:105
111391230,0ptp4l0-21swapper/509:45:135
111391230,0ptp4l0-21swapper/509:20:415
111391230,0ptp4l0-21swapper/509:13:455
111391230,0ptp4l0-21swapper/509:13:445
111391230,0ptp4l0-21swapper/508:20:135
111391230,0ptp4l0-21swapper/507:55:125
111391230,0ptp4l0-21swapper/507:45:115
111391230,0ptp4l0-21swapper/507:25:125
111391230,0ptp4l0-21swapper/412:26:014
111391230,0ptp4l0-21swapper/410:15:214
111391230,0ptp4l0-21swapper/409:55:114
111391230,0ptp4l0-21swapper/409:00:164
111391230,0ptp4l0-21swapper/408:10:164
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/407:50:114
111391230,0ptp4l0-21swapper/407:15:134
111391230,0ptp4l0-21swapper/310:20:133
111391230,0ptp4l0-21swapper/310:07:163
111391230,0ptp4l0-21swapper/212:20:132
111391230,0ptp4l0-21swapper/212:07:222
111391230,0ptp4l0-21swapper/210:24:062
111391230,0ptp4l0-21swapper/112:28:141
111391230,0ptp4l0-21swapper/112:20:101
111391230,0ptp4l0-21swapper/111:41:291
111391230,0ptp4l0-21swapper/111:14:031
111391230,0ptp4l0-21swapper/111:00:131
111391230,0ptp4l0-21swapper/110:33:021
111391230,0ptp4l0-21swapper/110:17:441
111391230,0ptp4l0-21swapper/109:50:121
111391230,0ptp4l0-21swapper/109:29:311
111391230,0ptp4l0-21swapper/109:21:011
111391230,0ptp4l0-21swapper/109:13:441
111391230,0ptp4l0-21swapper/109:13:441
111391230,0ptp4l0-21swapper/108:20:171
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/012:35:310
111391230,0ptp4l0-21swapper/012:30:080
111391230,0ptp4l0-21swapper/011:45:200
111391230,0ptp4l0-21swapper/011:15:190
111391230,0ptp4l0-21swapper/011:05:170
111391230,0ptp4l0-21swapper/010:12:190
111391230,0ptp4l0-21swapper/009:00:130
111391230,0ptp4l0-21swapper/008:45:130
111391230,0ptp4l0-21swapper/008:40:110
111391230,0ptp4l0-21swapper/008:35:150
111391230,0ptp4l0-21swapper/008:20:210
111391230,0ptp4l0-21swapper/008:10:120
111391230,0ptp4l0-21swapper/008:00:200
111391230,0ptp4l0-21swapper/007:35:090
111391230,0ptp4l0-21swapper/007:20:230
111391230,0ptp4l0-21swapper/007:14:150
111391220,1ptp4l802-21ksmtuned07:16:577
111391220,0ptp4l0-21swapper/712:39:287
111391220,0ptp4l0-21swapper/711:21:377
111391220,0ptp4l0-21swapper/710:37:327
111391220,0ptp4l0-21swapper/710:28:457
111391220,0ptp4l0-21swapper/710:07:457
111391220,0ptp4l0-21swapper/612:16:286
111391220,0ptp4l0-21swapper/611:58:256
111391220,0ptp4l0-21swapper/611:44:226
111391220,0ptp4l0-21swapper/611:01:446
111391220,0ptp4l0-21swapper/609:38:406
111391220,0ptp4l0-21swapper/511:57:315
111391220,0ptp4l0-21swapper/510:51:185
111391220,0ptp4l0-21swapper/510:33:095
111391220,0ptp4l0-21swapper/510:22:055
111391220,0ptp4l0-21swapper/510:12:075
111391220,0ptp4l0-21swapper/509:27:505
111391220,0ptp4l0-21swapper/508:57:325
111391220,0ptp4l0-21swapper/508:50:195
111391220,0ptp4l0-21swapper/508:09:515
111391220,0ptp4l0-21swapper/507:53:415
111391220,0ptp4l0-21swapper/507:20:115
111391220,0ptp4l0-21swapper/412:23:034
111391220,0ptp4l0-21swapper/408:53:514
111391220,0ptp4l0-21swapper/408:35:194
111391220,0ptp4l0-21swapper/408:20:214
111391220,0ptp4l0-21swapper/407:45:174
111391220,0ptp4l0-21swapper/407:40:154
111391220,0ptp4l0-21swapper/312:39:273
111391220,0ptp4l0-21swapper/312:11:433
111391220,0ptp4l0-21swapper/311:21:513
111391220,0ptp4l0-21swapper/308:55:113
111391220,0ptp4l0-21swapper/211:01:392
111391220,0ptp4l0-21swapper/210:27:592
111391220,0ptp4l0-21swapper/209:38:302
111391220,0ptp4l0-21swapper/207:15:012
111391220,0ptp4l0-21swapper/112:05:121
111391220,0ptp4l0-21swapper/111:36:361
111391220,0ptp4l0-21swapper/111:16:051
111391220,0ptp4l0-21swapper/110:00:361
111391220,0ptp4l0-21swapper/109:05:141
111391220,0ptp4l0-21swapper/108:45:141
111391220,0ptp4l0-21swapper/108:10:001
111391220,0ptp4l0-21swapper/107:45:111
111391220,0ptp4l0-21swapper/107:34:591
111391220,0ptp4l0-21swapper/107:30:121
111391220,0ptp4l0-21swapper/107:25:201
111391220,0ptp4l0-21swapper/012:00:370
111391220,0ptp4l0-21swapper/011:52:020
111391220,0ptp4l0-21swapper/011:52:020
111391220,0ptp4l0-21swapper/008:25:140
111391220,0ptp4l0-21swapper/008:16:490
111391220,0ptp4l0-21swapper/007:50:100
111391210,0ptp4l0-21swapper/711:49:277
111391210,0ptp4l0-21swapper/612:37:286
111391210,0ptp4l0-21swapper/609:28:046
111391210,0ptp4l0-21swapper/511:52:535
111391210,0ptp4l0-21swapper/511:52:535
111391210,0ptp4l0-21swapper/508:45:015
111391210,0ptp4l0-21swapper/508:41:525
111391210,0ptp4l0-21swapper/407:56:524
111391210,0ptp4l0-21swapper/407:11:574
111391210,0ptp4l0-21swapper/212:16:402
111391210,0ptp4l0-21swapper/211:58:242
111391210,0ptp4l0-21swapper/211:44:202
111391210,0ptp4l0-21swapper/211:34:012
111391210,0ptp4l0-21swapper/208:39:282
111391210,0ptp4l0-21swapper/207:44:102
111391210,0ptp4l0-21swapper/207:22:522
111391210,0ptp4l0-21swapper/110:39:531
111391210,0ptp4l0-21swapper/110:14:531
111391210,0ptp4l0-21swapper/108:27:541
111391210,0ptp4l0-21swapper/108:14:191
111391210,0ptp4l0-21swapper/011:22:030
111391210,0ptp4l0-21swapper/008:05:110
111391210,0ptp4l0-21swapper/007:55:020
111391210,0ptp4l0-21swapper/007:34:510
111391210,0ptp4l0-21swapper/007:25:150
111391210,0ptp4l0-21swapper/007:15:160
111391200,0ptp4l0-21swapper/708:46:527
111391200,0ptp4l0-21swapper/708:06:517
111391200,0ptp4l0-21swapper/607:24:176
111391200,0ptp4l0-21swapper/508:34:525
111391200,0ptp4l0-21swapper/508:14:155
111391200,0ptp4l0-21swapper/507:41:595
111391200,0ptp4l0-21swapper/507:39:185
111391200,0ptp4l0-21swapper/507:17:305
111391200,0ptp4l0-21swapper/408:56:504
111391200,0ptp4l0-21swapper/408:15:514
111391200,0ptp4l0-21swapper/310:10:593
111391200,0ptp4l0-21swapper/307:15:513
111391200,0ptp4l0-21swapper/212:37:252
111391200,0ptp4l0-21swapper/211:13:322
111391200,0ptp4l0-21swapper/209:32:352
111391200,0ptp4l0-21swapper/108:44:221
111391200,0ptp4l0-21swapper/107:52:101
111391200,0ptp4l0-21swapper/107:41:511
111391200,0ptp4l0-21swapper/008:50:140
111391190,0ptp4l0-21swapper/710:49:327
111391190,0ptp4l0-21swapper/708:54:597
111391190,0ptp4l0-21swapper/612:20:146
111391190,0ptp4l0-21swapper/610:27:386
111391190,0ptp4l0-21swapper/607:36:566
111391190,0ptp4l0-21swapper/407:32:254
111391190,0ptp4l0-21swapper/407:29:214
111391190,0ptp4l0-21swapper/310:28:423
111391190,0ptp4l0-21swapper/212:28:292
111391190,0ptp4l0-21swapper/208:50:002
111391190,0ptp4l0-21swapper/111:06:161
111391190,0ptp4l0-21swapper/009:09:330
111391180,0ptp4l5518-21diskmemload10:47:236
111391180,0ptp4l0-21swapper/608:50:126
111391180,0ptp4l0-21swapper/511:36:345
111391180,0ptp4l0-21swapper/511:09:045
111391180,0ptp4l0-21swapper/509:50:595
111391180,0ptp4l0-21swapper/508:27:165
111391180,0ptp4l0-21swapper/508:02:195
111391180,0ptp4l0-21swapper/409:09:524
111391180,0ptp4l0-21swapper/407:20:204
111391180,0ptp4l0-21swapper/310:49:303
111391180,0ptp4l0-21swapper/108:39:191
111391180,0ptp4l0-21swapper/107:19:561
111391170,0ptp4l0-21swapper/712:11:497
111391170,0ptp4l0-21swapper/210:02:552
111391160,0ptp4l0-21swapper/611:34:016
111391160,0ptp4l0-21swapper/610:02:586
111391160,0ptp4l0-21swapper/608:28:596
111391160,0ptp4l0-21swapper/308:07:003
111391160,0ptp4l0-21swapper/108:58:031
111391160,0ptp4l0-21swapper/108:34:111
111391160,0ptp4l0-21swapper/108:01:061
111391150,0ptp4l0-21swapper/708:43:377
111391150,0ptp4l0-21swapper/707:11:027
111391150,0ptp4l0-21swapper/609:00:376
111391150,0ptp4l0-21swapper/608:49:486
111391150,0ptp4l0-21swapper/608:39:216
111391150,0ptp4l0-21swapper/608:18:506
111391150,0ptp4l0-21swapper/607:44:066
111391150,0ptp4l0-21swapper/607:15:076
111391150,0ptp4l0-21swapper/509:02:405
111391150,0ptp4l0-21swapper/308:54:503
111391150,0ptp4l0-21swapper/308:46:293
111391150,0ptp4l0-21swapper/308:43:293
111391150,0ptp4l0-21swapper/307:11:043
111391150,0ptp4l0-21swapper/208:28:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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