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2026-06-20 - 20:36

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 Jun 20, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2324321180,3sleep773-21ksoftirqd/707:05:157
111391690,31ptp4l0-21swapper/207:05:012
2452326636,16sleep10-21swapper/107:07:341
111391610,5ptp4l0-21swapper/407:08:194
111391600,6ptp4l0-21swapper/607:05:276
16072590,1sleep4471rcuc/411:45:314
111391590,28ptp4l0-21swapper/007:07:190
279132570,0sleep00-21swapper/007:15:020
2463424837,7sleep30-21swapper/307:09:063
2446324635,7sleep50-21swapper/507:06:505
111391360,0ptp4l0-21swapper/008:05:130
111391330,0ptp4l0-21swapper/507:50:165
111391330,0ptp4l0-21swapper/410:49:494
111391320,0ptp4l0-21swapper/109:10:151
111391310,1ptp4l1068-21runrttasks09:10:535
111391310,0ptp4l0-21swapper/410:40:114
111391310,0ptp4l0-21swapper/408:50:124
111391310,0ptp4l0-21swapper/012:22:240
111391310,0ptp4l0-21swapper/008:35:160
111391300,2ptp4l0-21swapper/010:20:080
111391300,0ptp4l0-21swapper/411:58:434
111391300,0ptp4l0-21swapper/410:23:354
111391300,0ptp4l0-21swapper/409:38:514
111391300,0ptp4l0-21swapper/409:30:034
111391300,0ptp4l0-21swapper/409:26:334
111391300,0ptp4l0-21swapper/011:08:370
111391300,0ptp4l0-21swapper/010:05:370
111391300,0ptp4l0-21swapper/009:20:350
111391290,0ptp4l0-21swapper/412:22:434
111391290,0ptp4l0-21swapper/411:30:184
111391290,0ptp4l0-21swapper/209:14:362
111391290,0ptp4l0-21swapper/109:32:271
111391290,0ptp4l0-21swapper/012:13:040
111391290,0ptp4l0-21swapper/010:38:570
111391290,0ptp4l0-21swapper/009:19:380
111391280,0ptp4l0-21swapper/711:11:577
111391280,0ptp4l0-21swapper/512:27:515
111391280,0ptp4l0-21swapper/511:27:125
111391280,0ptp4l0-21swapper/412:00:034
111391280,0ptp4l0-21swapper/411:23:594
111391280,0ptp4l0-21swapper/411:07:064
111391280,0ptp4l0-21swapper/410:39:204
111391280,0ptp4l0-21swapper/409:43:304
111391280,0ptp4l0-21swapper/110:09:441
111391280,0ptp4l0-21swapper/009:45:550
111391280,0ptp4l0-21swapper/009:41:540
111391280,0ptp4l0-21swapper/009:32:380
111391270,3ptp4l0-21swapper/011:42:050
111391270,2ptp4l0-21swapper/110:48:171
111391270,0ptp4l15741-21diskmemload10:03:590
111391270,0ptp4l0-21swapper/512:09:475
111391270,0ptp4l0-21swapper/510:33:255
111391270,0ptp4l0-21swapper/411:40:534
111391270,0ptp4l0-21swapper/410:03:054
111391270,0ptp4l0-21swapper/409:50:184
111391270,0ptp4l0-21swapper/209:28:342
111391270,0ptp4l0-21swapper/111:29:171
111391270,0ptp4l0-21swapper/009:57:280
111391270,0ptp4l0-21swapper/009:52:040
111391260,1ptp4l11971-21if_err_virbr009:00:154
111391260,1ptp4l11971-21if_err_virbr009:00:144
111391260,1ptp4l1068-21runrttasks09:47:024
111391260,0ptp4l30377-21ssh10:56:234
111391260,0ptp4l0-21swapper/412:15:164
111391260,0ptp4l0-21swapper/411:53:094
111391260,0ptp4l0-21swapper/411:02:114
111391260,0ptp4l0-21swapper/409:13:194
111391260,0ptp4l0-21swapper/012:16:540
111391260,0ptp4l0-21swapper/011:59:390
111391260,0ptp4l0-21swapper/011:46:130
111391260,0ptp4l0-21swapper/009:39:310
111391250,1ptp4l5111-21grep07:35:134
111391250,1ptp4l0-21swapper/412:27:434
111391250,0ptp4l121rcu_preempt12:38:234
111391250,0ptp4l0-21swapper/507:20:115
111391250,0ptp4l0-21swapper/410:15:364
111391250,0ptp4l0-21swapper/409:56:064
111391250,0ptp4l0-21swapper/407:30:164
111391250,0ptp4l0-21swapper/407:18:124
111391250,0ptp4l0-21swapper/112:12:251
111391250,0ptp4l0-21swapper/012:25:090
111391250,0ptp4l0-21swapper/011:23:400
111391250,0ptp4l0-21swapper/011:10:190
111391240,1ptp4l8853-21munin-plugin-st08:55:000
111391240,1ptp4l28659-21irqrtprio10:10:150
111391240,1ptp4l2622-21taskset08:40:135
111391240,1ptp4l25539-21/usr/sbin/munin08:20:194
111391240,1ptp4l20997-21fw_conntrack10:00:131
111391240,1ptp4l19109-21users10:40:190
111391240,1ptp4l10955-21hddtemp_smartct11:15:125
111391240,1ptp4l10269-21ps08:55:180
111391240,1ptp4l10269-21ps08:55:180
111391240,0ptp4l4246-21sh09:35:471
111391240,0ptp4l28320-21strings09:25:175
111391240,0ptp4l0-21swapper/609:31:126
111391240,0ptp4l0-21swapper/511:57:175
111391240,0ptp4l0-21swapper/511:20:135
111391240,0ptp4l0-21swapper/509:42:285
111391240,0ptp4l0-21swapper/509:35:525
111391240,0ptp4l0-21swapper/508:30:205
111391240,0ptp4l0-21swapper/412:14:214
111391240,0ptp4l0-21swapper/410:30:194
111391240,0ptp4l0-21swapper/410:29:114
111391240,0ptp4l0-21swapper/410:10:134
111391240,0ptp4l0-21swapper/408:55:134
111391240,0ptp4l0-21swapper/408:55:124
111391240,0ptp4l0-21swapper/408:40:194
111391240,0ptp4l0-21swapper/112:35:221
111391240,0ptp4l0-21swapper/111:50:131
111391240,0ptp4l0-21swapper/111:10:001
111391240,0ptp4l0-21swapper/111:00:211
111391240,0ptp4l0-21swapper/110:18:331
111391240,0ptp4l0-21swapper/109:20:131
111391240,0ptp4l0-21swapper/108:30:131
111391240,0ptp4l0-21swapper/107:55:241
111391240,0ptp4l0-21swapper/107:40:181
111391240,0ptp4l0-21swapper/012:33:550
111391240,0ptp4l0-21swapper/012:07:270
111391240,0ptp4l0-21swapper/012:02:540
111391240,0ptp4l0-21swapper/011:25:130
111391240,0ptp4l0-21swapper/010:45:150
111391240,0ptp4l0-21swapper/010:26:410
111391240,0ptp4l0-21swapper/009:27:300
111391240,0ptp4l0-21swapper/007:45:140
111391240,0ptp4l0-21swapper/007:43:320
111391240,0ptp4l0-21swapper/007:35:210
111391230,1ptp4l28323-21if_virbr0-nic08:25:160
111391230,1ptp4l2498399cyclictest12:25:121
111391230,1ptp4l15741-21diskmemload10:32:530
111391230,1ptp4l12726-21ssh11:16:550
111391230,0ptp4l0-21swapper/709:15:137
111391230,0ptp4l0-21swapper/512:35:135
111391230,0ptp4l0-21swapper/512:19:025
111391230,0ptp4l0-21swapper/511:50:175
111391230,0ptp4l0-21swapper/510:22:475
111391230,0ptp4l0-21swapper/509:55:115
111391230,0ptp4l0-21swapper/509:25:015
111391230,0ptp4l0-21swapper/509:01:375
111391230,0ptp4l0-21swapper/509:01:365
111391230,0ptp4l0-21swapper/508:30:005
111391230,0ptp4l0-21swapper/507:40:125
111391230,0ptp4l0-21swapper/507:40:005
111391230,0ptp4l0-21swapper/507:25:515
111391230,0ptp4l0-21swapper/411:40:004
111391230,0ptp4l0-21swapper/411:39:594
111391230,0ptp4l0-21swapper/411:25:114
111391230,0ptp4l0-21swapper/411:13:124
111391230,0ptp4l0-21swapper/410:50:144
111391230,0ptp4l0-21swapper/410:05:164
111391230,0ptp4l0-21swapper/409:15:164
111391230,0ptp4l0-21swapper/409:05:204
111391230,0ptp4l0-21swapper/408:45:144
111391230,0ptp4l0-21swapper/408:35:164
111391230,0ptp4l0-21swapper/408:25:184
111391230,0ptp4l0-21swapper/408:05:164
111391230,0ptp4l0-21swapper/408:00:244
111391230,0ptp4l0-21swapper/309:15:133
111391230,0ptp4l0-21swapper/112:20:201
111391230,0ptp4l0-21swapper/112:05:191
111391230,0ptp4l0-21swapper/111:55:101
111391230,0ptp4l0-21swapper/111:15:111
111391230,0ptp4l0-21swapper/109:55:121
111391230,0ptp4l0-21swapper/108:57:171
111391230,0ptp4l0-21swapper/108:57:161
111391230,0ptp4l0-21swapper/108:10:141
111391230,0ptp4l0-21swapper/107:50:121
111391230,0ptp4l0-21swapper/107:20:121
111391230,0ptp4l0-21swapper/107:10:161
111391230,0ptp4l0-21swapper/011:50:230
111391230,0ptp4l0-21swapper/011:35:200
111391230,0ptp4l0-21swapper/011:35:190
111391230,0ptp4l0-21swapper/011:30:200
111391230,0ptp4l0-21swapper/011:01:300
111391230,0ptp4l0-21swapper/010:50:150
111391230,0ptp4l0-21swapper/010:15:200
111391230,0ptp4l0-21swapper/009:05:130
111391230,0ptp4l0-21swapper/009:00:170
111391230,0ptp4l0-21swapper/009:00:160
111391230,0ptp4l0-21swapper/008:15:150
111391230,0ptp4l0-21swapper/008:00:150
111391220,0ptp4l31422-21ssh10:59:291
111391220,0ptp4l15741-21diskmemload11:19:332
111391220,0ptp4l0-21swapper/612:31:556
111391220,0ptp4l0-21swapper/609:48:126
111391220,0ptp4l0-21swapper/609:14:516
111391220,0ptp4l0-21swapper/512:30:095
111391220,0ptp4l0-21swapper/512:10:125
111391220,0ptp4l0-21swapper/511:48:135
111391220,0ptp4l0-21swapper/511:38:075
111391220,0ptp4l0-21swapper/511:38:065
111391220,0ptp4l0-21swapper/511:10:075
111391220,0ptp4l0-21swapper/511:00:155
111391220,0ptp4l0-21swapper/510:57:235
111391220,0ptp4l0-21swapper/510:54:055
111391220,0ptp4l0-21swapper/510:48:175
111391220,0ptp4l0-21swapper/510:40:405
111391220,0ptp4l0-21swapper/510:26:335
111391220,0ptp4l0-21swapper/510:11:185
111391220,0ptp4l0-21swapper/510:08:135
111391220,0ptp4l0-21swapper/510:00:125
111391220,0ptp4l0-21swapper/509:50:215
111391220,0ptp4l0-21swapper/509:31:445
111391220,0ptp4l0-21swapper/509:18:195
111391220,0ptp4l0-21swapper/509:00:005
111391220,0ptp4l0-21swapper/509:00:005
111391220,0ptp4l0-21swapper/508:11:415
111391220,0ptp4l0-21swapper/507:10:155
111391220,0ptp4l0-21swapper/412:30:394
111391220,0ptp4l0-21swapper/412:05:064
111391220,0ptp4l0-21swapper/411:17:234
111391220,0ptp4l0-21swapper/409:20:194
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/407:59:334
111391220,0ptp4l0-21swapper/407:45:194
111391220,0ptp4l0-21swapper/212:31:522
111391220,0ptp4l0-21swapper/211:37:472
111391220,0ptp4l0-21swapper/211:37:472
111391220,0ptp4l0-21swapper/211:14:352
111391220,0ptp4l0-21swapper/209:09:252
111391220,0ptp4l0-21swapper/112:30:231
111391220,0ptp4l0-21swapper/112:18:051
111391220,0ptp4l0-21swapper/112:03:161
111391220,0ptp4l0-21swapper/111:47:491
111391220,0ptp4l0-21swapper/111:30:581
111391220,0ptp4l0-21swapper/111:20:121
111391220,0ptp4l0-21swapper/111:05:201
111391220,0ptp4l0-21swapper/110:54:021
111391220,0ptp4l0-21swapper/110:42:531
111391220,0ptp4l0-21swapper/110:31:551
111391220,0ptp4l0-21swapper/110:25:121
111391220,0ptp4l0-21swapper/110:20:201
111391220,0ptp4l0-21swapper/110:11:301
111391220,0ptp4l0-21swapper/109:25:151
111391220,0ptp4l0-21swapper/109:18:011
111391220,0ptp4l0-21swapper/107:35:541
111391220,0ptp4l0-21swapper/107:31:571
111391220,0ptp4l0-21swapper/107:25:161
111391220,0ptp4l0-21swapper/107:15:481
111391220,0ptp4l0-21swapper/012:37:070
111391220,0ptp4l0-21swapper/010:55:140
111391220,0ptp4l0-21swapper/009:14:260
111391220,0ptp4l0-21swapper/008:45:230
111391220,0ptp4l0-21swapper/008:40:200
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/008:10:140
111391220,0ptp4l0-21swapper/007:55:190
111391220,0ptp4l0-21swapper/007:50:160
111391220,0ptp4l0-21swapper/007:30:120
111391210,1ptp4l26641-21ssh11:35:381
111391210,1ptp4l26641-21ssh11:35:371
111391210,1ptp4l0-21swapper/107:49:171
111391210,0ptp4l0-21swapper/611:23:456
111391210,0ptp4l0-21swapper/609:36:516
111391210,0ptp4l0-21swapper/609:26:446
111391210,0ptp4l0-21swapper/609:21:326
111391210,0ptp4l0-21swapper/512:23:525
111391210,0ptp4l0-21swapper/512:02:035
111391210,0ptp4l0-21swapper/511:30:585
111391210,0ptp4l0-21swapper/511:07:265
111391210,0ptp4l0-21swapper/510:39:445
111391210,0ptp4l0-21swapper/510:15:515
111391210,0ptp4l0-21swapper/509:47:335
111391210,0ptp4l0-21swapper/508:02:295
111391210,0ptp4l0-21swapper/408:33:204
111391210,0ptp4l0-21swapper/310:00:413
111391210,0ptp4l0-21swapper/212:35:442
111391210,0ptp4l0-21swapper/211:23:462
111391210,0ptp4l0-21swapper/210:30:352
111391210,0ptp4l0-21swapper/210:25:212
111391210,0ptp4l0-21swapper/210:04:402
111391210,0ptp4l0-21swapper/209:36:552
111391210,0ptp4l0-21swapper/209:20:312
111391210,0ptp4l0-21swapper/110:39:541
111391210,0ptp4l0-21swapper/109:51:421
111391210,0ptp4l0-21swapper/109:47:501
111391210,0ptp4l0-21swapper/109:42:241
111391200,1ptp4l21884-21ssh09:16:082
111391200,0ptp4l15741-21diskmemload09:47:592
111391200,0ptp4l0-21swapper/710:00:407
111391200,0ptp4l0-21swapper/611:19:296
111391200,0ptp4l0-21swapper/611:14:306
111391200,0ptp4l0-21swapper/610:33:586
111391200,0ptp4l0-21swapper/610:04:386
111391200,0ptp4l0-21swapper/609:59:176
111391200,0ptp4l0-21swapper/511:40:445
111391200,0ptp4l0-21swapper/508:37:015
111391200,0ptp4l0-21swapper/407:44:194
111391200,0ptp4l0-21swapper/407:14:554
111391200,0ptp4l0-21swapper/311:12:023
111391200,0ptp4l0-21swapper/212:13:222
111391200,0ptp4l0-21swapper/210:09:482
111391200,0ptp4l0-21swapper/209:59:162
111391200,0ptp4l0-21swapper/209:31:132
111391200,0ptp4l0-21swapper/209:01:202
111391200,0ptp4l0-21swapper/209:01:192
111391200,0ptp4l0-21swapper/111:43:031
111391200,0ptp4l0-21swapper/108:47:151
111391200,0ptp4l0-21swapper/108:42:031
111391200,0ptp4l0-21swapper/108:15:011
111391190,0ptp4l0-21swapper/612:21:506
111391190,0ptp4l0-21swapper/610:25:206
111391190,0ptp4l0-21swapper/610:09:506
111391190,0ptp4l0-21swapper/609:16:086
111391190,0ptp4l0-21swapper/608:24:456
111391190,0ptp4l0-21swapper/509:09:565
111391190,0ptp4l0-21swapper/508:54:205
111391190,0ptp4l0-21swapper/507:47:355
111391190,0ptp4l0-21swapper/211:26:572
111391190,0ptp4l0-21swapper/109:01:361
111391190,0ptp4l0-21swapper/109:01:351
111391190,0ptp4l0-21swapper/007:28:160
111391190,0ptp4l0-21swapper/007:21:090
111391190,0ptp4l0-21swapper/007:14:180
111391180,0ptp4l0-21swapper/612:13:226
111391180,0ptp4l0-21swapper/611:48:056
111391180,0ptp4l0-21swapper/508:48:165
111391180,0ptp4l0-21swapper/211:43:092
111391180,0ptp4l0-21swapper/108:28:191
111391180,0ptp4l0-21swapper/008:31:440
139612170,1sleep713964-21sed09:50:167
111391170,0ptp4l0-21swapper/612:35:436
111391170,0ptp4l0-21swapper/612:25:566
111391170,0ptp4l0-21swapper/611:26:566
111391170,0ptp4l0-21swapper/610:58:556
111391170,0ptp4l0-21swapper/507:19:555
111391170,0ptp4l0-21swapper/407:50:194
111391170,0ptp4l0-21swapper/108:39:311
111391170,0ptp4l0-21swapper/108:02:431
111391160,0ptp4l0-21swapper/610:18:016
111391160,0ptp4l0-21swapper/608:59:296
111391160,0ptp4l0-21swapper/608:59:286
111391160,0ptp4l0-21swapper/407:29:454
111391160,0ptp4l0-21swapper/212:25:572
111391160,0ptp4l0-21swapper/212:21:512
111391160,0ptp4l0-21swapper/211:53:372
111391160,0ptp4l0-21swapper/211:48:022
229562150,0sleep70-21swapper/711:30:217
111391150,0ptp4l0-21swapper/708:35:047
111391150,0ptp4l0-21swapper/611:43:116
111391150,0ptp4l0-21swapper/609:09:066
111391150,0ptp4l0-21swapper/609:01:246
111391150,0ptp4l0-21swapper/609:01:246
111391150,0ptp4l0-21swapper/608:41:126
111391150,0ptp4l0-21swapper/608:36:246
111391150,0ptp4l0-21swapper/608:18:336
111391150,0ptp4l0-21swapper/608:14:096
111391150,0ptp4l0-21swapper/607:59:226
111391150,0ptp4l0-21swapper/607:49:316
111391150,0ptp4l0-21swapper/508:22:105
111391150,0ptp4l0-21swapper/508:15:065
111391150,0ptp4l0-21swapper/508:05:325
111391150,0ptp4l0-21swapper/507:56:135
111391150,0ptp4l0-21swapper/507:30:325
111391150,0ptp4l0-21swapper/407:20:084
111391150,0ptp4l0-21swapper/308:34:473
111391150,0ptp4l0-21swapper/210:58:592
111391150,0ptp4l0-21swapper/210:17:572
111391150,0ptp4l0-21swapper/208:47:262
111391150,0ptp4l0-21swapper/208:24:392
111391150,0ptp4l0-21swapper/208:18:332
111391150,0ptp4l0-21swapper/208:14:062
111391150,0ptp4l0-21swapper/207:59:202
111391150,0ptp4l0-21swapper/207:34:242
111391150,0ptp4l0-21swapper/109:07:481
111391150,0ptp4l0-21swapper/108:50:501
111391150,0ptp4l0-21swapper/108:22:081
111391150,0ptp4l0-21swapper/108:05:381
2502499140,0cyclictest0-21swapper/710:40:147
2502499140,0cyclictest0-21swapper/710:10:137
111391140,0ptp4l0-21swapper/708:34:487
111391140,0ptp4l0-21swapper/608:47:266
111391140,0ptp4l0-21swapper/607:34:216
111391140,0ptp4l0-21swapper/607:19:056
111391140,0ptp4l0-21swapper/308:35:023
111391140,0ptp4l0-21swapper/211:33:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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