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2026-01-07 - 18:01

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 Jan 07, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,31ptp4l0-21swapper/407:05:064
111391610,30ptp4l0-21swapper/107:09:061
221225646,6sleep70-21swapper/707:06:577
210825646,6sleep20-21swapper/207:05:402
89182540,0sleep50-21swapper/510:53:065
111391530,5ptp4l0-21swapper/007:06:350
111391500,5ptp4l0-21swapper/507:10:005
216724736,6sleep60-21swapper/607:06:246
3254924634,7sleep30-21swapper/307:05:003
111391350,0ptp4l0-21swapper/011:50:190
111391350,0ptp4l0-21swapper/010:45:190
111391340,1ptp4l0-21swapper/009:50:130
111391330,0ptp4l0-21swapper/010:03:210
111391320,0ptp4l0-21swapper/012:01:160
111391320,0ptp4l0-21swapper/009:10:090
111391310,0ptp4l0-21swapper/408:40:164
111391310,0ptp4l0-21swapper/209:35:152
111391310,0ptp4l0-21swapper/011:31:150
111391310,0ptp4l0-21swapper/010:20:120
111391310,0ptp4l0-21swapper/010:08:180
111391310,0ptp4l0-21swapper/008:30:130
111391300,0ptp4l0-21swapper/009:18:250
111391290,0ptp4l0-21swapper/611:53:296
111391290,0ptp4l0-21swapper/012:31:000
111391290,0ptp4l0-21swapper/010:40:000
111391280,2ptp4l0-21swapper/609:33:496
111391280,0ptp4l0-21swapper/210:57:502
111391280,0ptp4l0-21swapper/010:29:460
111391280,0ptp4l0-21swapper/009:31:130
111391280,0ptp4l0-21swapper/009:27:550
111391270,0ptp4l0-21swapper/412:25:564
111391270,0ptp4l0-21swapper/411:29:574
111391270,0ptp4l0-21swapper/009:59:430
111391270,0ptp4l0-21swapper/009:23:230
111391270,0ptp4l0-21swapper/008:00:150
111391260,6ptp4l0-21swapper/611:23:246
111391260,3ptp4l641ktimersoftd/612:15:046
111391260,1ptp4l29263-21ssh09:13:194
111391260,0ptp4l0-21swapper/412:07:394
111391260,0ptp4l0-21swapper/411:49:274
111391260,0ptp4l0-21swapper/411:37:574
111391260,0ptp4l0-21swapper/411:08:444
111391260,0ptp4l0-21swapper/410:11:374
111391260,0ptp4l0-21swapper/410:11:364
111391260,0ptp4l0-21swapper/409:53:524
111391260,0ptp4l0-21swapper/408:58:024
111391260,0ptp4l0-21swapper/408:15:144
111391260,0ptp4l0-21swapper/408:05:214
111391260,0ptp4l0-21swapper/012:22:320
111391260,0ptp4l0-21swapper/012:13:370
111391260,0ptp4l0-21swapper/011:02:590
111391260,0ptp4l0-21swapper/010:57:350
111391260,0ptp4l0-21swapper/007:30:150
111391250,0ptp4l0-21swapper/411:30:434
111391250,0ptp4l0-21swapper/411:15:574
111391250,0ptp4l0-21swapper/410:40:134
111391250,0ptp4l0-21swapper/410:25:504
111391250,0ptp4l0-21swapper/410:05:124
111391250,0ptp4l0-21swapper/410:04:444
111391250,0ptp4l0-21swapper/409:48:484
111391250,0ptp4l0-21swapper/409:35:164
111391250,0ptp4l0-21swapper/409:24:134
111391250,0ptp4l0-21swapper/409:19:344
111391250,0ptp4l0-21swapper/212:14:072
111391250,0ptp4l0-21swapper/207:15:022
111391250,0ptp4l0-21swapper/012:27:570
111391250,0ptp4l0-21swapper/011:20:360
111391250,0ptp4l0-21swapper/011:15:110
111391250,0ptp4l0-21swapper/010:44:500
111391250,0ptp4l0-21swapper/010:19:490
111391240,1ptp4l7514-21find12:15:190
111391240,1ptp4l29751-21irqstats09:55:161
111391240,1ptp4l21767-21fw_forwarded_lo11:10:140
111391240,1ptp4l16857-21latency_hist08:50:004
111391240,0ptp4l0-21swapper/609:05:166
111391240,0ptp4l0-21swapper/412:35:174
111391240,0ptp4l0-21swapper/412:30:014
111391240,0ptp4l0-21swapper/412:23:244
111391240,0ptp4l0-21swapper/411:40:144
111391240,0ptp4l0-21swapper/411:10:234
111391240,0ptp4l0-21swapper/410:50:154
111391240,0ptp4l0-21swapper/410:45:144
111391240,0ptp4l0-21swapper/410:15:444
111391240,0ptp4l0-21swapper/409:40:234
111391240,0ptp4l0-21swapper/409:31:074
111391240,0ptp4l0-21swapper/408:30:184
111391240,0ptp4l0-21swapper/407:45:134
111391240,0ptp4l0-21swapper/207:20:132
111391240,0ptp4l0-21swapper/010:34:470
111391240,0ptp4l0-21swapper/010:10:090
111391240,0ptp4l0-21swapper/010:10:090
111391240,0ptp4l0-21swapper/009:00:130
111391240,0ptp4l0-21swapper/008:59:310
111391240,0ptp4l0-21swapper/008:45:140
111391230,1ptp4l8575-21df11:35:100
111391230,1ptp4l6728-21/usr/sbin/munin10:50:150
111391230,1ptp4l25435-21find07:55:190
111391230,1ptp4l21898-21latency_hist07:50:010
111391230,1ptp4l10274-21/usr/sbin/munin08:35:160
111391230,0ptp4l0-21swapper/612:06:126
111391230,0ptp4l0-21swapper/611:35:176
111391230,0ptp4l0-21swapper/611:25:026
111391230,0ptp4l0-21swapper/609:55:006
111391230,0ptp4l0-21swapper/609:20:406
111391230,0ptp4l0-21swapper/607:20:126
111391230,0ptp4l0-21swapper/412:11:484
111391230,0ptp4l0-21swapper/411:50:454
111391230,0ptp4l0-21swapper/411:20:124
111391230,0ptp4l0-21swapper/411:00:114
111391230,0ptp4l0-21swapper/410:59:584
111391230,0ptp4l0-21swapper/410:31:174
111391230,0ptp4l0-21swapper/410:24:104
111391230,0ptp4l0-21swapper/409:56:084
111391230,0ptp4l0-21swapper/409:25:134
111391230,0ptp4l0-21swapper/408:20:134
111391230,0ptp4l0-21swapper/407:50:514
111391230,0ptp4l0-21swapper/407:30:254
111391230,0ptp4l0-21swapper/407:15:184
111391230,0ptp4l0-21swapper/407:10:144
111391230,0ptp4l0-21swapper/211:30:202
111391230,0ptp4l0-21swapper/209:33:162
111391230,0ptp4l0-21swapper/209:16:072
111391230,0ptp4l0-21swapper/209:05:192
111391230,0ptp4l0-21swapper/012:39:570
111391230,0ptp4l0-21swapper/012:05:060
111391230,0ptp4l0-21swapper/011:56:320
111391230,0ptp4l0-21swapper/011:45:280
111391230,0ptp4l0-21swapper/009:48:310
111391230,0ptp4l0-21swapper/008:40:160
111391230,0ptp4l0-21swapper/008:10:160
111391230,0ptp4l0-21swapper/008:05:110
111391220,0ptp4l0-21swapper/710:51:567
111391220,0ptp4l0-21swapper/612:24:106
111391220,0ptp4l0-21swapper/611:05:156
111391220,0ptp4l0-21swapper/610:30:216
111391220,0ptp4l0-21swapper/610:14:376
111391220,0ptp4l0-21swapper/610:14:366
111391220,0ptp4l0-21swapper/609:35:156
111391220,0ptp4l0-21swapper/609:12:216
111391220,0ptp4l0-21swapper/511:07:235
111391220,0ptp4l0-21swapper/510:25:145
111391220,0ptp4l0-21swapper/509:21:115
111391220,0ptp4l0-21swapper/412:15:124
111391220,0ptp4l0-21swapper/412:00:194
111391220,0ptp4l0-21swapper/411:55:164
111391220,0ptp4l0-21swapper/410:35:054
111391220,0ptp4l0-21swapper/408:50:164
111391220,0ptp4l0-21swapper/408:35:184
111391220,0ptp4l0-21swapper/408:25:194
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/408:00:124
111391220,0ptp4l0-21swapper/407:55:174
111391220,0ptp4l0-21swapper/407:35:174
111391220,0ptp4l0-21swapper/407:35:164
111391220,0ptp4l0-21swapper/407:25:164
111391220,0ptp4l0-21swapper/311:33:133
111391220,0ptp4l0-21swapper/212:06:102
111391220,0ptp4l0-21swapper/211:05:012
111391220,0ptp4l0-21swapper/210:30:192
111391220,0ptp4l0-21swapper/210:07:382
111391220,0ptp4l0-21swapper/209:54:062
111391220,0ptp4l0-21swapper/209:22:242
111391220,0ptp4l0-21swapper/209:11:292
111391220,0ptp4l0-21swapper/112:25:171
111391220,0ptp4l0-21swapper/111:55:191
111391220,0ptp4l0-21swapper/111:05:201
111391220,0ptp4l0-21swapper/110:58:331
111391220,0ptp4l0-21swapper/110:38:431
111391220,0ptp4l0-21swapper/110:25:141
111391220,0ptp4l0-21swapper/110:02:161
111391220,0ptp4l0-21swapper/109:46:111
111391220,0ptp4l0-21swapper/109:32:471
111391220,0ptp4l0-21swapper/109:23:531
111391220,0ptp4l0-21swapper/011:40:090
111391220,0ptp4l0-21swapper/011:25:060
111391220,0ptp4l0-21swapper/011:05:160
111391220,0ptp4l0-21swapper/009:40:120
111391220,0ptp4l0-21swapper/009:35:170
111391220,0ptp4l0-21swapper/008:52:530
111391220,0ptp4l0-21swapper/008:25:130
111391220,0ptp4l0-21swapper/008:15:190
111391220,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l0-21swapper/007:35:010
111391220,0ptp4l0-21swapper/007:35:000
111391220,0ptp4l0-21swapper/007:25:130
111391220,0ptp4l0-21swapper/007:10:180
111391210,0ptp4l0-21swapper/612:12:256
111391210,0ptp4l0-21swapper/611:56:106
111391210,0ptp4l0-21swapper/610:54:296
111391210,0ptp4l0-21swapper/610:16:436
111391210,0ptp4l0-21swapper/610:06:546
111391210,0ptp4l0-21swapper/609:55:026
111391210,0ptp4l0-21swapper/609:40:356
111391210,0ptp4l0-21swapper/609:25:046
111391210,0ptp4l0-21swapper/609:15:536
111391210,0ptp4l0-21swapper/511:03:195
111391210,0ptp4l0-21swapper/510:55:495
111391210,0ptp4l0-21swapper/509:55:175
111391210,0ptp4l0-21swapper/509:32:505
111391210,0ptp4l0-21swapper/507:26:315
111391210,0ptp4l0-21swapper/409:00:114
111391210,0ptp4l0-21swapper/407:40:144
111391210,0ptp4l0-21swapper/407:20:074
111391210,0ptp4l0-21swapper/309:44:163
111391210,0ptp4l0-21swapper/212:35:012
111391210,0ptp4l0-21swapper/212:31:172
111391210,0ptp4l0-21swapper/212:24:402
111391210,0ptp4l0-21swapper/211:56:192
111391210,0ptp4l0-21swapper/211:41:042
111391210,0ptp4l0-21swapper/211:23:272
111391210,0ptp4l0-21swapper/210:50:202
111391210,0ptp4l0-21swapper/210:23:322
111391210,0ptp4l0-21swapper/210:16:432
111391210,0ptp4l0-21swapper/210:12:182
111391210,0ptp4l0-21swapper/210:12:172
111391210,0ptp4l0-21swapper/209:55:002
111391210,0ptp4l0-21swapper/209:40:382
111391210,0ptp4l0-21swapper/208:17:562
111391210,0ptp4l0-21swapper/112:15:361
111391210,0ptp4l0-21swapper/112:00:331
111391210,0ptp4l0-21swapper/111:43:491
111391210,0ptp4l0-21swapper/111:38:311
111391210,0ptp4l0-21swapper/111:34:161
111391210,0ptp4l0-21swapper/111:28:051
111391210,0ptp4l0-21swapper/111:20:491
111391210,0ptp4l0-21swapper/111:18:591
111391210,0ptp4l0-21swapper/110:30:241
111391210,0ptp4l0-21swapper/110:18:421
111391210,0ptp4l0-21swapper/110:10:181
111391210,0ptp4l0-21swapper/110:10:171
111391210,0ptp4l0-21swapper/109:53:551
111391210,0ptp4l0-21swapper/008:20:200
111391210,0ptp4l0-21swapper/007:20:350
111391210,0ptp4l0-21swapper/007:15:140
111391200,2ptp4l321ktimersoftd/208:32:362
111391200,0ptp4l0-21swapper/611:30:226
111391200,0ptp4l0-21swapper/611:01:146
111391200,0ptp4l0-21swapper/610:20:116
111391200,0ptp4l0-21swapper/608:13:066
111391200,0ptp4l0-21swapper/512:25:175
111391200,0ptp4l0-21swapper/512:16:315
111391200,0ptp4l0-21swapper/512:04:235
111391200,0ptp4l0-21swapper/511:38:355
111391200,0ptp4l0-21swapper/510:46:565
111391200,0ptp4l0-21swapper/510:22:255
111391200,0ptp4l0-21swapper/510:19:305
111391200,0ptp4l0-21swapper/509:53:575
111391200,0ptp4l0-21swapper/311:36:093
111391200,0ptp4l0-21swapper/310:51:373
111391200,0ptp4l0-21swapper/212:02:302
111391200,0ptp4l0-21swapper/211:50:352
111391200,0ptp4l0-21swapper/211:39:092
111391200,0ptp4l0-21swapper/211:26:032
111391200,0ptp4l0-21swapper/211:11:142
111391200,0ptp4l0-21swapper/210:46:052
111391200,0ptp4l0-21swapper/210:25:082
111391200,0ptp4l0-21swapper/207:51:472
111391200,0ptp4l0-21swapper/112:37:051
111391200,0ptp4l0-21swapper/112:30:341
111391200,0ptp4l0-21swapper/111:03:371
111391200,0ptp4l0-21swapper/110:47:591
111391200,0ptp4l0-21swapper/109:40:251
111391200,0ptp4l0-21swapper/109:36:291
111391200,0ptp4l0-21swapper/109:27:341
111391200,0ptp4l0-21swapper/107:10:001
111391190,0ptp4l0-21swapper/712:32:007
111391190,0ptp4l0-21swapper/712:08:187
111391190,0ptp4l0-21swapper/711:36:137
111391190,0ptp4l0-21swapper/711:33:137
111391190,0ptp4l0-21swapper/709:44:197
111391190,0ptp4l0-21swapper/611:41:046
111391190,0ptp4l0-21swapper/607:51:526
111391190,0ptp4l0-21swapper/511:44:235
111391190,0ptp4l0-21swapper/511:20:505
111391190,0ptp4l0-21swapper/510:36:385
111391190,0ptp4l0-21swapper/509:46:125
111391190,0ptp4l0-21swapper/509:15:105
111391190,0ptp4l0-21swapper/312:32:053
111391190,0ptp4l0-21swapper/308:05:553
111391190,0ptp4l0-21swapper/211:01:092
111391190,0ptp4l0-21swapper/209:04:062
111391190,0ptp4l0-21swapper/112:08:001
111391190,0ptp4l0-21swapper/111:47:111
111391190,0ptp4l0-21swapper/110:41:141
111391190,0ptp4l0-21swapper/110:20:431
111391190,0ptp4l0-21swapper/109:19:321
111391190,0ptp4l0-21swapper/009:06:240
111391180,0ptp4l0-21swapper/708:06:517
111391180,0ptp4l0-21swapper/612:31:456
111391180,0ptp4l0-21swapper/610:57:506
111391180,0ptp4l0-21swapper/610:01:326
111391180,0ptp4l0-21swapper/609:04:006
111391180,0ptp4l0-21swapper/512:37:055
111391180,0ptp4l0-21swapper/510:30:245
111391180,0ptp4l0-21swapper/510:05:235
111391180,0ptp4l0-21swapper/509:02:015
111391180,0ptp4l0-21swapper/312:08:193
111391180,0ptp4l0-21swapper/111:51:241
111391180,0ptp4l0-21swapper/111:12:461
111391170,0ptp4l0-21swapper/611:12:176
111391170,0ptp4l0-21swapper/610:25:096
111391170,0ptp4l0-21swapper/510:00:095
111391170,0ptp4l0-21swapper/409:08:004
111391170,0ptp4l0-21swapper/308:46:583
111391170,0ptp4l0-21swapper/212:16:002
111391170,0ptp4l0-21swapper/207:35:072
111391170,0ptp4l0-21swapper/207:35:062
111391170,0ptp4l0-21swapper/110:50:011
111391170,0ptp4l0-21swapper/110:05:231
111391170,0ptp4l0-21swapper/109:12:581
111391170,0ptp4l0-21swapper/108:11:521
295362160,0sleep20-21swapper/208:05:152
111391160,0ptp4l0-21swapper/511:34:185
111391160,0ptp4l0-21swapper/507:42:195
111391160,0ptp4l0-21swapper/210:40:052
111391160,0ptp4l0-21swapper/210:00:482
111391160,0ptp4l0-21swapper/108:28:061
111391160,0ptp4l0-21swapper/108:03:521
111391160,0ptp4l0-21swapper/107:54:031
111391160,0ptp4l0-21swapper/107:36:061
111391160,0ptp4l0-21swapper/107:36:051
111391150,0ptp4l0-21swapper/709:55:257
111391150,0ptp4l0-21swapper/708:45:527
111391150,0ptp4l0-21swapper/708:10:467
111391150,0ptp4l0-21swapper/708:04:097
111391150,0ptp4l0-21swapper/610:46:046
111391150,0ptp4l0-21swapper/608:56:006
111391150,0ptp4l0-21swapper/608:52:296
111391150,0ptp4l0-21swapper/608:39:426
111391150,0ptp4l0-21swapper/608:17:516
111391150,0ptp4l0-21swapper/608:07:046
111391150,0ptp4l0-21swapper/607:42:316
111391150,0ptp4l0-21swapper/607:36:426
111391150,0ptp4l0-21swapper/607:36:416
111391150,0ptp4l0-21swapper/607:34:396
111391150,0ptp4l0-21swapper/607:15:276
111391150,0ptp4l0-21swapper/607:14:586
111391150,0ptp4l0-21swapper/511:55:195
111391150,0ptp4l0-21swapper/511:25:225
111391150,0ptp4l0-21swapper/511:19:005
111391150,0ptp4l0-21swapper/510:10:185
111391150,0ptp4l0-21swapper/510:10:185
111391150,0ptp4l0-21swapper/509:40:265
111391150,0ptp4l0-21swapper/509:27:355
111391150,0ptp4l0-21swapper/508:52:055
111391150,0ptp4l0-21swapper/508:43:315
111391150,0ptp4l0-21swapper/508:34:145
111391150,0ptp4l0-21swapper/508:25:425
111391150,0ptp4l0-21swapper/508:23:135
111391150,0ptp4l0-21swapper/508:11:575
111391150,0ptp4l0-21swapper/508:01:105
111391150,0ptp4l0-21swapper/507:10:025
111391150,0ptp4l0-21swapper/309:55:253
111391150,0ptp4l0-21swapper/308:10:393
111391150,0ptp4l0-21swapper/308:04:073
111391150,0ptp4l0-21swapper/208:56:472
111391150,0ptp4l0-21swapper/208:47:542
111391150,0ptp4l0-21swapper/208:35:582
111391150,0ptp4l0-21swapper/208:20:422
111391150,0ptp4l0-21swapper/208:13:032
111391150,0ptp4l0-21swapper/207:42:312
111391150,0ptp4l0-21swapper/207:34:322
111391150,0ptp4l0-21swapper/207:14:552
111391150,0ptp4l0-21swapper/109:06:401
111391150,0ptp4l0-21swapper/109:00:081
111391150,0ptp4l0-21swapper/108:57:431
111391150,0ptp4l0-21swapper/108:52:071
111391150,0ptp4l0-21swapper/108:49:251
111391150,0ptp4l0-21swapper/108:40:091
111391150,0ptp4l0-21swapper/108:36:561
111391150,0ptp4l0-21swapper/108:34:131
111391150,0ptp4l0-21swapper/108:21:381
111391150,0ptp4l0-21swapper/108:17:421
111391150,0ptp4l0-21swapper/108:07:491
111391150,0ptp4l0-21swapper/107:56:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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