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2026-08-25 - 19:27

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 Tue Aug 25, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,36ptp4l0-21swapper/107:06:031
1983426441,6sleep40-21swapper/407:09:544
111391630,5ptp4l0-21swapper/007:05:260
236202620,0sleep40-21swapper/411:45:164
111391580,6ptp4l0-21swapper/507:07:535
1969325545,6sleep20-21swapper/207:08:082
1960725435,15sleep70-21swapper/707:07:017
1959225433,7sleep30-21swapper/307:06:493
1977425232,6sleep60-21swapper/607:09:096
111391330,0ptp4l0-21swapper/409:19:284
111391320,0ptp4l0-21swapper/412:30:214
111391320,0ptp4l0-21swapper/011:56:440
111391310,0ptp4l10874-21diskmemload11:16:136
111391310,0ptp4l0-21swapper/411:22:024
111391310,0ptp4l0-21swapper/409:54:544
111391300,0ptp4l0-21swapper/710:40:227
111391300,0ptp4l0-21swapper/710:02:517
111391300,0ptp4l0-21swapper/411:31:434
111391300,0ptp4l0-21swapper/410:01:254
111391290,0ptp4l0-21swapper/412:29:154
111391290,0ptp4l0-21swapper/411:15:114
111391290,0ptp4l0-21swapper/012:22:120
111391290,0ptp4l0-21swapper/010:37:550
111391290,0ptp4l0-21swapper/008:45:210
111391290,0ptp4l0-21swapper/008:45:200
111391290,0ptp4l0-21swapper/007:15:190
111391280,3ptp4l0-21swapper/412:14:074
111391280,1ptp4l15635-21seq10:47:285
111391280,0ptp4l121rcu_preempt11:50:134
111391280,0ptp4l0-21swapper/412:16:574
111391280,0ptp4l0-21swapper/412:08:384
111391280,0ptp4l0-21swapper/411:08:564
111391280,0ptp4l0-21swapper/410:25:174
111391280,0ptp4l0-21swapper/410:18:314
111391280,0ptp4l0-21swapper/409:20:554
111391280,0ptp4l0-21swapper/211:28:562
111391280,0ptp4l0-21swapper/211:28:562
111391280,0ptp4l0-21swapper/112:01:531
111391280,0ptp4l0-21swapper/110:17:451
111391280,0ptp4l0-21swapper/109:13:301
111391280,0ptp4l0-21swapper/011:16:290
111391280,0ptp4l0-21swapper/009:51:590
111391270,0ptp4l0-21swapper/411:36:184
111391270,0ptp4l0-21swapper/411:14:384
111391270,0ptp4l0-21swapper/410:32:514
111391270,0ptp4l0-21swapper/410:12:004
111391270,0ptp4l0-21swapper/410:05:024
111391270,0ptp4l0-21swapper/409:45:584
111391270,0ptp4l0-21swapper/011:46:090
111391270,0ptp4l0-21swapper/009:33:010
111391260,0ptp4l481ktimersoftd/409:39:254
111391260,0ptp4l0-21swapper/512:03:285
111391260,0ptp4l0-21swapper/510:09:285
111391260,0ptp4l0-21swapper/411:56:274
111391260,0ptp4l0-21swapper/410:56:094
111391260,0ptp4l0-21swapper/410:44:504
111391260,0ptp4l0-21swapper/410:35:134
111391260,0ptp4l0-21swapper/408:05:174
111391260,0ptp4l0-21swapper/111:57:281
111391260,0ptp4l0-21swapper/111:21:371
111391260,0ptp4l0-21swapper/109:20:011
111391260,0ptp4l0-21swapper/010:53:320
111391260,0ptp4l0-21swapper/010:48:220
111391260,0ptp4l0-21swapper/010:12:010
111391260,0ptp4l0-21swapper/009:38:230
111391260,0ptp4l0-21swapper/008:35:190
111391250,7ptp4l0-21swapper/407:33:194
111391250,1ptp4l4488-21memory09:45:155
111391250,1ptp4l20980-21hddtemp_smartct08:20:132
111391250,0ptp4l0-21swapper/511:00:145
111391250,0ptp4l0-21swapper/509:23:505
111391250,0ptp4l0-21swapper/412:38:254
111391250,0ptp4l0-21swapper/412:20:154
111391250,0ptp4l0-21swapper/409:05:134
111391250,0ptp4l0-21swapper/408:50:124
111391250,0ptp4l0-21swapper/408:50:114
111391250,0ptp4l0-21swapper/310:40:193
111391250,0ptp4l0-21swapper/111:26:261
111391250,0ptp4l0-21swapper/111:26:251
111391250,0ptp4l0-21swapper/107:45:001
111391250,0ptp4l0-21swapper/012:10:010
111391250,0ptp4l0-21swapper/011:36:370
111391250,0ptp4l0-21swapper/011:23:070
111391250,0ptp4l0-21swapper/011:13:570
111391250,0ptp4l0-21swapper/010:35:000
111391250,0ptp4l0-21swapper/010:20:180
111391250,0ptp4l0-21swapper/010:18:320
111391250,0ptp4l0-21swapper/009:49:530
111391250,0ptp4l0-21swapper/009:12:400
2013599242,0cyclictest0-21swapper/510:59:255
111391240,1ptp4l49-21ksoftirqd/410:20:104
111391240,1ptp4l4844-21irqstats12:05:171
111391240,1ptp4l475-21fw_forwarded_lo09:40:144
111391240,1ptp4l4543-21ssh12:05:155
111391240,1ptp4l32036-21df_inode10:25:130
111391240,1ptp4l30381-21fw_forwarded_lo07:30:137
111391240,1ptp4l29785-21sh09:35:145
111391240,1ptp4l21838-21hddtemp_smartct12:30:150
111391240,1ptp4l12637-21users12:15:190
111391240,1ptp4l11022-21df09:55:124
111391240,0ptp4l0-21swapper/512:31:325
111391240,0ptp4l0-21swapper/508:20:015
111391240,0ptp4l0-21swapper/412:00:474
111391240,0ptp4l0-21swapper/411:27:324
111391240,0ptp4l0-21swapper/411:27:314
111391240,0ptp4l0-21swapper/411:00:224
111391240,0ptp4l0-21swapper/409:26:544
111391240,0ptp4l0-21swapper/409:14:074
111391240,0ptp4l0-21swapper/210:21:532
111391240,0ptp4l0-21swapper/111:05:181
111391240,0ptp4l0-21swapper/110:54:001
111391240,0ptp4l0-21swapper/110:31:331
111391240,0ptp4l0-21swapper/110:06:391
111391240,0ptp4l0-21swapper/108:40:111
111391240,0ptp4l0-21swapper/108:14:001
111391240,0ptp4l0-21swapper/107:45:211
111391240,0ptp4l0-21swapper/012:35:200
111391240,0ptp4l0-21swapper/011:50:100
111391240,0ptp4l0-21swapper/011:30:180
111391240,0ptp4l0-21swapper/011:25:120
111391240,0ptp4l0-21swapper/011:25:120
111391240,0ptp4l0-21swapper/011:00:210
111391240,0ptp4l0-21swapper/009:23:130
111391240,0ptp4l0-21swapper/009:05:180
111391240,0ptp4l0-21swapper/007:40:140
111391240,0ptp4l0-21swapper/007:34:340
2009599235,1cyclictest32167-21kworker/0:110:05:450
111391230,2ptp4l0-21swapper/109:26:471
111391230,1ptp4l966-21smartctl12:00:130
111391230,0ptp4l0-21swapper/710:39:487
111391230,0ptp4l0-21swapper/707:27:527
111391230,0ptp4l0-21swapper/512:26:535
111391230,0ptp4l0-21swapper/512:20:125
111391230,0ptp4l0-21swapper/511:57:055
111391230,0ptp4l0-21swapper/511:12:155
111391230,0ptp4l0-21swapper/511:07:435
111391230,0ptp4l0-21swapper/510:54:135
111391230,0ptp4l0-21swapper/509:40:175
111391230,0ptp4l0-21swapper/509:15:125
111391230,0ptp4l0-21swapper/508:55:185
111391230,0ptp4l0-21swapper/508:15:005
111391230,0ptp4l0-21swapper/507:45:205
111391230,0ptp4l0-21swapper/410:45:134
111391230,0ptp4l0-21swapper/409:30:214
111391230,0ptp4l0-21swapper/408:15:174
111391230,0ptp4l0-21swapper/408:10:194
111391230,0ptp4l0-21swapper/407:55:114
111391230,0ptp4l0-21swapper/407:15:224
111391230,0ptp4l0-21swapper/407:10:174
111391230,0ptp4l0-21swapper/311:20:213
111391230,0ptp4l0-21swapper/209:58:122
111391230,0ptp4l0-21swapper/112:31:351
111391230,0ptp4l0-21swapper/111:33:151
111391230,0ptp4l0-21swapper/111:10:121
111391230,0ptp4l0-21swapper/111:00:171
111391230,0ptp4l0-21swapper/110:25:181
111391230,0ptp4l0-21swapper/110:13:581
111391230,0ptp4l0-21swapper/109:59:001
111391230,0ptp4l0-21swapper/109:49:371
111391230,0ptp4l0-21swapper/109:35:111
111391230,0ptp4l0-21swapper/108:55:201
111391230,0ptp4l0-21swapper/107:15:141
111391230,0ptp4l0-21swapper/012:25:120
111391230,0ptp4l0-21swapper/012:10:200
111391230,0ptp4l0-21swapper/011:45:010
111391230,0ptp4l0-21swapper/010:03:140
111391230,0ptp4l0-21swapper/009:59:260
111391230,0ptp4l0-21swapper/008:50:140
111391230,0ptp4l0-21swapper/008:50:130
111391230,0ptp4l0-21swapper/007:55:170
111391230,0ptp4l0-21swapper/007:25:200
111391230,0ptp4l0-21swapper/007:20:160
111391220,1ptp4l20086-21cyclictest12:36:071
111391220,1ptp4l14122-21sshd09:13:472
111391220,0ptp4l22672-21ssh10:57:590
111391220,0ptp4l0-21swapper/709:19:077
111391220,0ptp4l0-21swapper/611:59:356
111391220,0ptp4l0-21swapper/610:54:416
111391220,0ptp4l0-21swapper/610:28:426
111391220,0ptp4l0-21swapper/610:20:136
111391220,0ptp4l0-21swapper/609:40:196
111391220,0ptp4l0-21swapper/608:20:126
111391220,0ptp4l0-21swapper/511:54:195
111391220,0ptp4l0-21swapper/511:48:315
111391220,0ptp4l0-21swapper/511:26:205
111391220,0ptp4l0-21swapper/511:26:205
111391220,0ptp4l0-21swapper/510:43:025
111391220,0ptp4l0-21swapper/510:35:385
111391220,0ptp4l0-21swapper/510:30:105
111391220,0ptp4l0-21swapper/510:29:515
111391220,0ptp4l0-21swapper/509:56:475
111391220,0ptp4l0-21swapper/509:53:265
111391220,0ptp4l0-21swapper/509:32:485
111391220,0ptp4l0-21swapper/509:29:185
111391220,0ptp4l0-21swapper/509:00:155
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/508:00:105
111391220,0ptp4l0-21swapper/507:35:135
111391220,0ptp4l0-21swapper/507:34:595
111391220,0ptp4l0-21swapper/507:15:115
111391220,0ptp4l0-21swapper/507:10:245
111391220,0ptp4l0-21swapper/411:40:124
111391220,0ptp4l0-21swapper/408:45:154
111391220,0ptp4l0-21swapper/408:45:144
111391220,0ptp4l0-21swapper/408:35:194
111391220,0ptp4l0-21swapper/408:30:144
111391220,0ptp4l0-21swapper/408:25:144
111391220,0ptp4l0-21swapper/407:40:154
111391220,0ptp4l0-21swapper/310:33:033
111391220,0ptp4l0-21swapper/307:30:143
111391220,0ptp4l0-21swapper/211:59:322
111391220,0ptp4l0-21swapper/211:15:192
111391220,0ptp4l0-21swapper/211:01:482
111391220,0ptp4l0-21swapper/209:40:212
111391220,0ptp4l0-21swapper/112:10:171
111391220,0ptp4l0-21swapper/111:47:151
111391220,0ptp4l0-21swapper/111:40:481
111391220,0ptp4l0-21swapper/111:38:551
111391220,0ptp4l0-21swapper/111:18:251
111391220,0ptp4l0-21swapper/110:55:161
111391220,0ptp4l0-21swapper/110:41:481
111391220,0ptp4l0-21swapper/110:37:341
111391220,0ptp4l0-21swapper/110:02:271
111391220,0ptp4l0-21swapper/109:53:381
111391220,0ptp4l0-21swapper/109:31:141
111391220,0ptp4l0-21swapper/109:20:131
111391220,0ptp4l0-21swapper/109:00:191
111391220,0ptp4l0-21swapper/108:00:111
111391220,0ptp4l0-21swapper/108:00:001
111391220,0ptp4l0-21swapper/107:35:131
111391220,0ptp4l0-21swapper/107:25:171
111391220,0ptp4l0-21swapper/011:05:160
111391220,0ptp4l0-21swapper/010:41:550
111391220,0ptp4l0-21swapper/009:44:460
111391220,0ptp4l0-21swapper/009:25:120
111391220,0ptp4l0-21swapper/009:15:140
111391220,0ptp4l0-21swapper/008:59:240
111391220,0ptp4l0-21swapper/008:30:150
111391220,0ptp4l0-21swapper/008:25:120
111391220,0ptp4l0-21swapper/008:15:200
111391220,0ptp4l0-21swapper/008:10:130
111391220,0ptp4l0-21swapper/008:05:130
111391220,0ptp4l0-21swapper/007:50:130
111391220,0ptp4l0-21swapper/007:10:160
111391210,0ptp4l10874-21diskmemload11:29:046
111391210,0ptp4l10874-21diskmemload11:29:036
111391210,0ptp4l0-21swapper/711:20:207
111391210,0ptp4l0-21swapper/710:10:257
111391210,0ptp4l0-21swapper/611:14:286
111391210,0ptp4l0-21swapper/611:01:496
111391210,0ptp4l0-21swapper/610:43:526
111391210,0ptp4l0-21swapper/610:08:486
111391210,0ptp4l0-21swapper/609:13:466
111391210,0ptp4l0-21swapper/512:35:485
111391210,0ptp4l0-21swapper/511:40:475
111391210,0ptp4l0-21swapper/511:21:355
111391210,0ptp4l0-21swapper/510:24:205
111391210,0ptp4l0-21swapper/510:17:385
111391210,0ptp4l0-21swapper/510:10:525
111391210,0ptp4l0-21swapper/510:04:525
111391210,0ptp4l0-21swapper/509:13:255
111391210,0ptp4l0-21swapper/507:59:495
111391210,0ptp4l0-21swapper/507:23:255
111391210,0ptp4l0-21swapper/410:51:594
111391210,0ptp4l0-21swapper/409:00:594
111391210,0ptp4l0-21swapper/408:40:184
111391210,0ptp4l0-21swapper/408:23:384
111391210,0ptp4l0-21swapper/407:50:144
111391210,0ptp4l0-21swapper/407:49:004
111391210,0ptp4l0-21swapper/407:20:174
111391210,0ptp4l0-21swapper/310:39:563
111391210,0ptp4l0-21swapper/309:19:113
111391210,0ptp4l0-21swapper/307:29:333
111391210,0ptp4l0-21swapper/211:44:002
111391210,0ptp4l0-21swapper/210:46:192
111391210,0ptp4l0-21swapper/210:08:482
111391210,0ptp4l0-21swapper/209:51:482
111391210,0ptp4l0-21swapper/112:27:071
111391210,0ptp4l0-21swapper/112:22:431
111391210,0ptp4l0-21swapper/112:15:471
111391210,0ptp4l0-21swapper/110:46:521
111391210,0ptp4l0-21swapper/110:23:021
111391210,0ptp4l0-21swapper/109:41:521
111391210,0ptp4l0-21swapper/107:14:001
111391210,0ptp4l0-21swapper/007:48:070
111391200,0ptp4l0-21swapper/708:46:427
111391200,0ptp4l0-21swapper/708:46:417
111391200,0ptp4l0-21swapper/612:27:286
111391200,0ptp4l0-21swapper/612:22:106
111391200,0ptp4l0-21swapper/611:44:046
111391200,0ptp4l0-21swapper/611:36:316
111391200,0ptp4l0-21swapper/609:51:486
111391200,0ptp4l0-21swapper/512:11:155
111391200,0ptp4l0-21swapper/511:34:105
111391200,0ptp4l0-21swapper/407:38:584
111391200,0ptp4l0-21swapper/310:10:303
111391200,0ptp4l0-21swapper/212:27:272
111391200,0ptp4l0-21swapper/210:41:512
111391200,0ptp4l0-21swapper/210:28:232
111391200,0ptp4l0-21swapper/209:24:552
111391200,0ptp4l0-21swapper/207:10:242
111391200,0ptp4l0-21swapper/108:29:121
111391200,0ptp4l0-21swapper/108:09:111
111391200,0ptp4l0-21swapper/008:42:560
111391200,0ptp4l0-21swapper/008:21:000
111391200,0ptp4l0-21swapper/007:37:110
111391190,0ptp4l0-21swapper/710:33:037
111391190,0ptp4l0-21swapper/612:38:356
111391190,0ptp4l0-21swapper/609:26:406
111391190,0ptp4l0-21swapper/608:15:146
111391190,0ptp4l0-21swapper/512:15:535
111391190,0ptp4l0-21swapper/511:38:535
111391190,0ptp4l0-21swapper/511:18:275
111391190,0ptp4l0-21swapper/509:07:385
111391190,0ptp4l0-21swapper/508:52:505
111391190,0ptp4l0-21swapper/508:52:495
111391190,0ptp4l0-21swapper/508:49:135
111391190,0ptp4l0-21swapper/508:49:135
111391190,0ptp4l0-21swapper/508:19:065
111391190,0ptp4l0-21swapper/408:57:004
111391190,0ptp4l0-21swapper/408:04:554
111391190,0ptp4l0-21swapper/212:07:132
111391190,0ptp4l0-21swapper/211:36:202
111391190,0ptp4l0-21swapper/211:14:262
111391190,0ptp4l0-21swapper/210:54:462
111391190,0ptp4l0-21swapper/209:26:422
111391190,0ptp4l0-21swapper/111:51:311
111391190,0ptp4l0-21swapper/108:55:001
111391190,0ptp4l0-21swapper/108:54:591
111391190,0ptp4l0-21swapper/108:49:561
111391190,0ptp4l0-21swapper/108:49:551
111391190,0ptp4l0-21swapper/108:19:561
20150991814,0cyclictest0-21swapper/711:34:327
111391180,0ptp4l0-21swapper/611:47:526
111391180,0ptp4l0-21swapper/609:58:126
111391180,0ptp4l0-21swapper/609:24:576
111391180,0ptp4l0-21swapper/607:58:346
111391180,0ptp4l0-21swapper/508:09:415
111391180,0ptp4l0-21swapper/308:47:393
111391180,0ptp4l0-21swapper/308:47:383
111391180,0ptp4l0-21swapper/212:22:082
111391180,0ptp4l0-21swapper/107:22:171
111391180,0ptp4l0-21swapper/009:00:500
111391180,0ptp4l0-21swapper/008:01:500
111391170,2ptp4l0-21swapper/109:07:311
111391170,0ptp4l0-21swapper/612:05:456
111391170,0ptp4l0-21swapper/508:34:355
111391170,0ptp4l0-21swapper/310:02:513
111391170,0ptp4l0-21swapper/211:52:382
111391170,0ptp4l0-21swapper/210:14:342
111391170,0ptp4l0-21swapper/107:31:581
20150991611,4cyclictest30317-21munin-run11:10:007
111391160,0ptp4l0-21swapper/711:42:557
111391160,0ptp4l0-21swapper/610:46:216
111391160,0ptp4l0-21swapper/610:14:356
111391160,0ptp4l0-21swapper/608:07:136
111391160,0ptp4l0-21swapper/507:41:285
111391160,0ptp4l0-21swapper/407:25:184
111391160,0ptp4l0-21swapper/311:42:543
111391160,0ptp4l0-21swapper/209:05:032
111391160,0ptp4l0-21swapper/208:44:412
111391160,0ptp4l0-21swapper/208:18:112
111391160,0ptp4l0-21swapper/108:31:281
111391160,0ptp4l0-21swapper/108:23:591
111391160,0ptp4l0-21swapper/107:54:251
2015099150,1cyclictest0-21swapper/712:10:147
111391150,0ptp4l0-21swapper/709:06:197
111391150,0ptp4l0-21swapper/611:53:056
111391150,0ptp4l0-21swapper/609:00:326
111391150,0ptp4l0-21swapper/608:54:206
111391150,0ptp4l0-21swapper/608:54:196
111391150,0ptp4l0-21swapper/608:42:226
111391150,0ptp4l0-21swapper/608:39:256
111391150,0ptp4l0-21swapper/608:13:246
111391150,0ptp4l0-21swapper/607:51:256
111391150,0ptp4l0-21swapper/607:35:066
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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