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2026-04-19 - 20:37

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 Sun Apr 19, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
326282860,2sleep773-21ksoftirqd/707:05:197
111391720,2ptp4l0-21swapper/007:05:180
111391620,5ptp4l0-21swapper/407:08:124
111391600,29ptp4l0-21swapper/107:06:481
276572580,0sleep50-21swapper/512:15:495
3117525545,6sleep20-21swapper/207:05:072
3274424837,7sleep30-21swapper/307:05:403
57224635,6sleep60-21swapper/607:09:116
3116924635,7sleep50-21swapper/507:05:025
111391320,0ptp4l0-21swapper/412:35:234
111391320,0ptp4l0-21swapper/412:35:224
111391320,0ptp4l0-21swapper/409:18:154
111391320,0ptp4l0-21swapper/110:45:241
111391320,0ptp4l0-21swapper/010:52:360
111391320,0ptp4l0-21swapper/008:41:560
111391310,4ptp4l0-21swapper/411:54:174
111391310,3ptp4l0-21swapper/410:58:344
111391310,0ptp4l0-21swapper/411:09:524
111391310,0ptp4l0-21swapper/410:45:074
111391310,0ptp4l0-21swapper/409:50:174
111391310,0ptp4l0-21swapper/409:46:414
111391310,0ptp4l0-21swapper/111:12:551
111391310,0ptp4l0-21swapper/012:39:240
111391310,0ptp4l0-21swapper/012:39:240
111391310,0ptp4l0-21swapper/011:41:090
111391310,0ptp4l0-21swapper/009:21:370
111391300,4ptp4l0-21swapper/411:12:054
111391300,2ptp4l0-21swapper/011:13:260
111391300,2ptp4l0-21swapper/010:38:460
111391300,0ptp4l0-21swapper/510:15:215
111391300,0ptp4l0-21swapper/412:14:184
111391300,0ptp4l0-21swapper/412:04:104
111391300,0ptp4l0-21swapper/410:31:414
111391300,0ptp4l0-21swapper/410:23:204
111391300,0ptp4l0-21swapper/410:16:494
111391300,0ptp4l0-21swapper/410:04:234
111391300,0ptp4l0-21swapper/407:38:204
111391300,0ptp4l0-21swapper/012:03:230
111391300,0ptp4l0-21swapper/010:59:230
111391300,0ptp4l0-21swapper/010:44:590
111391300,0ptp4l0-21swapper/010:07:540
111391300,0ptp4l0-21swapper/009:43:010
111391300,0ptp4l0-21swapper/009:19:070
111391290,2ptp4l0-21swapper/410:29:204
111391290,0ptp4l0-21swapper/412:23:324
111391290,0ptp4l0-21swapper/411:34:114
111391290,0ptp4l0-21swapper/411:25:084
111391290,0ptp4l0-21swapper/410:54:514
111391290,0ptp4l0-21swapper/410:35:424
111391290,0ptp4l0-21swapper/410:08:084
111391290,0ptp4l0-21swapper/409:27:384
111391290,0ptp4l0-21swapper/108:55:201
111391290,0ptp4l0-21swapper/107:45:131
111391290,0ptp4l0-21swapper/009:59:150
111391290,0ptp4l0-21swapper/009:59:140
111391290,0ptp4l0-21swapper/009:11:380
111391280,3ptp4l241ktimersoftd/108:10:181
111391280,0ptp4l0-21swapper/412:30:094
111391280,0ptp4l0-21swapper/412:18:304
111391280,0ptp4l0-21swapper/411:36:274
111391280,0ptp4l0-21swapper/411:16:264
111391280,0ptp4l0-21swapper/410:41:544
111391280,0ptp4l0-21swapper/409:55:044
111391280,0ptp4l0-21swapper/409:55:034
111391280,0ptp4l0-21swapper/409:20:144
111391280,0ptp4l0-21swapper/112:33:451
111391280,0ptp4l0-21swapper/112:17:041
111391280,0ptp4l0-21swapper/109:54:351
111391280,0ptp4l0-21swapper/012:25:020
111391280,0ptp4l0-21swapper/011:38:120
111391280,0ptp4l0-21swapper/011:27:320
111391280,0ptp4l0-21swapper/011:03:100
111391280,0ptp4l0-21swapper/009:52:290
111391270,2ptp4l0-21swapper/412:29:374
111391270,2ptp4l0-21swapper/409:38:034
111391270,0ptp4l0-21swapper/712:11:157
111391270,0ptp4l0-21swapper/411:01:024
111391270,0ptp4l0-21swapper/410:10:044
111391270,0ptp4l0-21swapper/407:10:434
111391270,0ptp4l0-21swapper/009:34:470
111391270,0ptp4l0-21swapper/008:38:550
111391260,1ptp4l0-21swapper/011:15:530
111391260,0ptp4l0-21swapper/511:56:465
111391260,0ptp4l0-21swapper/407:45:014
111391260,0ptp4l0-21swapper/310:27:123
111391260,0ptp4l0-21swapper/111:46:391
111391260,0ptp4l0-21swapper/110:34:571
111391260,0ptp4l0-21swapper/109:37:001
111391260,0ptp4l0-21swapper/108:33:581
111391260,0ptp4l0-21swapper/012:14:080
111391260,0ptp4l0-21swapper/011:22:430
111391260,0ptp4l0-21swapper/010:33:210
111391260,0ptp4l0-21swapper/009:47:380
111391260,0ptp4l0-21swapper/009:36:500
111391260,0ptp4l0-21swapper/008:31:200
111391260,0ptp4l0-21swapper/007:49:110
111391250,3ptp4l0-21swapper/010:45:270
111391250,1ptp4l806-21gdbus12:00:001
111391250,1ptp4l6429-21diskstats08:30:144
111391250,0ptp4l0-21swapper/708:54:447
111391250,0ptp4l0-21swapper/512:05:125
111391250,0ptp4l0-21swapper/412:08:424
111391250,0ptp4l0-21swapper/409:02:394
111391250,0ptp4l0-21swapper/408:40:184
111391250,0ptp4l0-21swapper/408:09:214
111391250,0ptp4l0-21swapper/407:56:534
111391250,0ptp4l0-21swapper/407:33:514
111391250,0ptp4l0-21swapper/111:19:301
111391250,0ptp4l0-21swapper/012:30:080
111391250,0ptp4l0-21swapper/012:19:280
111391250,0ptp4l0-21swapper/011:56:120
111391250,0ptp4l0-21swapper/011:30:030
111391250,0ptp4l0-21swapper/010:17:040
111391250,0ptp4l0-21swapper/010:11:020
111391250,0ptp4l0-21swapper/010:00:410
111391250,0ptp4l0-21swapper/008:15:110
111391240,1ptp4l7899-21unixbench_singl07:20:194
111391240,1ptp4l5492-21irqstats11:45:174
111391240,1ptp4l15189-21latency_hist08:50:000
111391240,1ptp4l15056-21pgrep10:25:235
111391240,0ptp4l0-21swapper/511:30:185
111391240,0ptp4l0-21swapper/411:43:074
111391240,0ptp4l0-21swapper/408:49:054
111391240,0ptp4l0-21swapper/408:27:394
111391240,0ptp4l0-21swapper/407:50:194
111391240,0ptp4l0-21swapper/312:11:193
111391240,0ptp4l0-21swapper/112:10:341
111391240,0ptp4l0-21swapper/111:21:171
111391240,0ptp4l0-21swapper/109:23:521
111391240,0ptp4l0-21swapper/011:06:430
111391240,0ptp4l0-21swapper/009:26:550
111391240,0ptp4l0-21swapper/009:04:030
111391240,0ptp4l0-21swapper/008:29:100
111391240,0ptp4l0-21swapper/007:54:490
111391240,0ptp4l0-21swapper/007:41:560
111391240,0ptp4l0-21swapper/007:37:280
111391240,0ptp4l0-21swapper/007:34:110
111391240,0ptp4l0-21swapper/007:20:180
111391240,0ptp4l0-21swapper/007:15:430
111391240,0ptp4l0-21swapper/007:15:420
111391240,0ptp4l0-21swapper/007:10:580
111391230,2ptp4l0-21swapper/409:41:464
111391230,1ptp4l758-21ModemManager11:20:014
111391230,1ptp4l25-21ksoftirqd/107:55:011
111391230,1ptp4l25086-21if_eno108:00:130
111391230,0ptp4l29135-21sshd11:32:561
111391230,0ptp4l0-21swapper/512:38:065
111391230,0ptp4l0-21swapper/512:38:055
111391230,0ptp4l0-21swapper/512:28:125
111391230,0ptp4l0-21swapper/511:10:145
111391230,0ptp4l0-21swapper/511:01:595
111391230,0ptp4l0-21swapper/510:35:005
111391230,0ptp4l0-21swapper/508:30:205
111391230,0ptp4l0-21swapper/508:25:135
111391230,0ptp4l0-21swapper/507:55:175
111391230,0ptp4l0-21swapper/507:40:205
111391230,0ptp4l0-21swapper/409:30:164
111391230,0ptp4l0-21swapper/409:10:144
111391230,0ptp4l0-21swapper/409:05:144
111391230,0ptp4l0-21swapper/408:50:194
111391230,0ptp4l0-21swapper/408:35:264
111391230,0ptp4l0-21swapper/408:20:174
111391230,0ptp4l0-21swapper/408:16:224
111391230,0ptp4l0-21swapper/408:00:184
111391230,0ptp4l0-21swapper/407:45:204
111391230,0ptp4l0-21swapper/407:29:444
111391230,0ptp4l0-21swapper/407:15:114
111391230,0ptp4l0-21swapper/407:15:104
111391230,0ptp4l0-21swapper/308:55:093
111391230,0ptp4l0-21swapper/308:54:593
111391230,0ptp4l0-21swapper/210:46:532
111391230,0ptp4l0-21swapper/208:07:432
111391230,0ptp4l0-21swapper/110:24:311
111391230,0ptp4l0-21swapper/110:01:431
111391230,0ptp4l0-21swapper/109:31:561
111391230,0ptp4l0-21swapper/108:50:121
111391230,0ptp4l0-21swapper/107:40:111
111391230,0ptp4l0-21swapper/107:25:121
111391230,0ptp4l0-21swapper/012:20:140
111391230,0ptp4l0-21swapper/012:06:270
111391230,0ptp4l0-21swapper/011:50:200
111391230,0ptp4l0-21swapper/011:45:130
111391230,0ptp4l0-21swapper/010:27:430
111391230,0ptp4l0-21swapper/009:05:190
111391230,0ptp4l0-21swapper/008:58:300
111391230,0ptp4l0-21swapper/008:20:180
111391230,0ptp4l0-21swapper/008:05:150
111391230,0ptp4l0-21swapper/007:57:040
316952220,1sleep60-21swapper/608:15:106
111391220,0ptp4l422-21ssh10:51:301
111391220,0ptp4l0-21swapper/711:53:257
111391220,0ptp4l0-21swapper/710:27:137
111391220,0ptp4l0-21swapper/611:14:226
111391220,0ptp4l0-21swapper/512:21:265
111391220,0ptp4l0-21swapper/512:10:295
111391220,0ptp4l0-21swapper/511:42:145
111391220,0ptp4l0-21swapper/511:09:035
111391220,0ptp4l0-21swapper/510:54:175
111391220,0ptp4l0-21swapper/510:47:255
111391220,0ptp4l0-21swapper/510:20:125
111391220,0ptp4l0-21swapper/510:03:205
111391220,0ptp4l0-21swapper/509:50:125
111391220,0ptp4l0-21swapper/509:46:315
111391220,0ptp4l0-21swapper/509:35:075
111391220,0ptp4l0-21swapper/509:30:555
111391220,0ptp4l0-21swapper/509:26:185
111391220,0ptp4l0-21swapper/509:16:585
111391220,0ptp4l0-21swapper/508:55:135
111391220,0ptp4l0-21swapper/508:50:135
111391220,0ptp4l0-21swapper/508:20:155
111391220,0ptp4l0-21swapper/507:50:025
111391220,0ptp4l0-21swapper/507:45:135
111391220,0ptp4l0-21swapper/507:39:565
111391220,0ptp4l0-21swapper/507:25:125
111391220,0ptp4l0-21swapper/507:20:125
111391220,0ptp4l0-21swapper/411:55:134
111391220,0ptp4l0-21swapper/409:00:004
111391220,0ptp4l0-21swapper/408:10:244
111391220,0ptp4l0-21swapper/210:32:302
111391220,0ptp4l0-21swapper/112:36:521
111391220,0ptp4l0-21swapper/112:36:511
111391220,0ptp4l0-21swapper/112:25:291
111391220,0ptp4l0-21swapper/112:24:421
111391220,0ptp4l0-21swapper/112:05:191
111391220,0ptp4l0-21swapper/112:04:381
111391220,0ptp4l0-21swapper/111:41:501
111391220,0ptp4l0-21swapper/110:43:151
111391220,0ptp4l0-21swapper/110:25:171
111391220,0ptp4l0-21swapper/110:15:171
111391220,0ptp4l0-21swapper/110:11:141
111391220,0ptp4l0-21swapper/109:57:521
111391220,0ptp4l0-21swapper/109:57:521
111391220,0ptp4l0-21swapper/109:49:241
111391220,0ptp4l0-21swapper/109:19:491
111391220,0ptp4l0-21swapper/108:20:131
111391220,0ptp4l0-21swapper/107:20:141
111391220,0ptp4l0-21swapper/107:10:181
111391220,0ptp4l0-21swapper/010:20:140
111391220,0ptp4l0-21swapper/008:50:150
111391220,0ptp4l0-21swapper/008:10:160
111391220,0ptp4l0-21swapper/007:28:020
111391210,0ptp4l0-21swapper/709:14:197
111391210,0ptp4l0-21swapper/708:10:197
111391210,0ptp4l0-21swapper/512:33:445
111391210,0ptp4l0-21swapper/512:01:435
111391210,0ptp4l0-21swapper/511:47:165
111391210,0ptp4l0-21swapper/511:36:415
111391210,0ptp4l0-21swapper/511:28:405
111391210,0ptp4l0-21swapper/511:21:295
111391210,0ptp4l0-21swapper/511:16:525
111391210,0ptp4l0-21swapper/510:56:005
111391210,0ptp4l0-21swapper/510:30:085
111391210,0ptp4l0-21swapper/509:58:365
111391210,0ptp4l0-21swapper/509:58:355
111391210,0ptp4l0-21swapper/509:24:075
111391210,0ptp4l0-21swapper/509:14:425
111391210,0ptp4l0-21swapper/507:19:565
111391210,0ptp4l0-21swapper/507:19:555
111391210,0ptp4l0-21swapper/507:10:105
111391210,0ptp4l0-21swapper/311:17:083
111391210,0ptp4l0-21swapper/311:08:493
111391210,0ptp4l0-21swapper/310:51:493
111391210,0ptp4l0-21swapper/310:12:363
111391210,0ptp4l0-21swapper/208:56:512
111391210,0ptp4l0-21swapper/208:49:442
111391210,0ptp4l0-21swapper/208:34:552
111391210,0ptp4l0-21swapper/208:10:162
111391210,0ptp4l0-21swapper/111:51:201
111391210,0ptp4l0-21swapper/111:28:111
111391210,0ptp4l0-21swapper/110:36:471
111391210,0ptp4l0-21swapper/110:08:451
111391210,0ptp4l0-21swapper/108:45:551
111391200,1ptp4l32471-21ssh11:37:301
111391200,0ptp4l0-21swapper/712:16:117
111391200,0ptp4l0-21swapper/711:45:507
111391200,0ptp4l0-21swapper/711:08:537
111391200,0ptp4l0-21swapper/708:31:547
111391200,0ptp4l0-21swapper/610:46:446
111391200,0ptp4l0-21swapper/609:49:186
111391200,0ptp4l0-21swapper/607:44:146
111391200,0ptp4l0-21swapper/510:11:155
111391200,0ptp4l0-21swapper/508:37:235
111391200,0ptp4l0-21swapper/508:10:135
111391200,0ptp4l0-21swapper/312:05:193
111391200,0ptp4l0-21swapper/311:59:043
111391200,0ptp4l0-21swapper/311:11:333
111391200,0ptp4l0-21swapper/212:17:542
111391200,0ptp4l0-21swapper/211:14:262
111391200,0ptp4l0-21swapper/209:35:582
111391200,0ptp4l0-21swapper/111:07:091
111391200,0ptp4l0-21swapper/111:04:071
111391200,0ptp4l0-21swapper/110:56:001
111391200,0ptp4l0-21swapper/109:27:321
111391200,0ptp4l0-21swapper/109:14:451
111391200,0ptp4l0-21swapper/108:15:221
111391200,0ptp4l0-21swapper/107:19:551
111391200,0ptp4l0-21swapper/107:19:551
111391190,0ptp4l0-21swapper/710:51:567
111391190,0ptp4l0-21swapper/710:47:567
111391190,0ptp4l0-21swapper/710:03:227
111391190,0ptp4l0-21swapper/708:46:407
111391190,0ptp4l0-21swapper/610:03:476
111391190,0ptp4l0-21swapper/609:32:596
111391190,0ptp4l0-21swapper/511:51:245
111391190,0ptp4l0-21swapper/510:08:445
111391190,0ptp4l0-21swapper/311:53:103
111391190,0ptp4l0-21swapper/309:57:133
111391190,0ptp4l0-21swapper/309:57:123
111391190,0ptp4l0-21swapper/309:14:193
111391190,0ptp4l0-21swapper/211:09:452
111391190,0ptp4l0-21swapper/209:52:282
111391190,0ptp4l0-21swapper/209:33:032
111391180,0ptp4l0-21swapper/711:17:097
111391180,0ptp4l0-21swapper/709:57:127
111391180,0ptp4l0-21swapper/709:57:117
111391180,0ptp4l0-21swapper/612:17:576
111391180,0ptp4l0-21swapper/611:09:466
111391180,0ptp4l0-21swapper/610:32:346
111391180,0ptp4l0-21swapper/609:10:466
111391180,0ptp4l0-21swapper/310:08:543
111391180,0ptp4l0-21swapper/307:20:523
111391180,0ptp4l0-21swapper/211:26:542
111391180,0ptp4l0-21swapper/211:21:592
111391180,0ptp4l0-21swapper/210:42:492
111391180,0ptp4l0-21swapper/210:03:482
111391180,0ptp4l0-21swapper/209:49:162
111391180,0ptp4l0-21swapper/109:06:451
111391180,0ptp4l0-21swapper/107:32:391
111391170,2ptp4l0-21swapper/108:08:471
111391170,0ptp4l0-21swapper/711:59:067
111391170,0ptp4l0-21swapper/509:40:445
111391170,0ptp4l0-21swapper/312:16:143
111391170,0ptp4l0-21swapper/310:47:543
111391170,0ptp4l0-21swapper/210:35:242
111391170,0ptp4l0-21swapper/109:40:411
111391160,0ptp4l0-21swapper/707:54:057
111391160,0ptp4l0-21swapper/611:52:376
111391160,0ptp4l0-21swapper/609:52:346
111391160,0ptp4l0-21swapper/510:43:145
111391160,0ptp4l0-21swapper/508:06:315
111391160,0ptp4l0-21swapper/508:02:005
111391160,0ptp4l0-21swapper/507:34:565
111391160,0ptp4l0-21swapper/308:15:343
111391160,0ptp4l0-21swapper/307:13:493
111391160,0ptp4l0-21swapper/212:02:042
111391160,0ptp4l0-21swapper/108:41:301
111391160,0ptp4l0-21swapper/108:37:261
111391160,0ptp4l0-21swapper/108:00:341
111391160,0ptp4l0-21swapper/107:50:261
111391150,0ptp4l0-21swapper/711:32:097
111391150,0ptp4l0-21swapper/711:13:407
111391150,0ptp4l0-21swapper/710:12:347
111391150,0ptp4l0-21swapper/708:55:057
111391150,0ptp4l0-21swapper/708:38:197
111391150,0ptp4l0-21swapper/708:22:417
111391150,0ptp4l0-21swapper/708:15:327
111391150,0ptp4l0-21swapper/708:08:097
111391150,0ptp4l0-21swapper/707:46:297
111391150,0ptp4l0-21swapper/707:20:507
111391150,0ptp4l0-21swapper/707:13:467
111391150,0ptp4l0-21swapper/612:02:046
111391150,0ptp4l0-21swapper/610:42:496
111391150,0ptp4l0-21swapper/610:35:246
111391150,0ptp4l0-21swapper/609:35:586
111391150,0ptp4l0-21swapper/609:00:476
111391150,0ptp4l0-21swapper/608:57:016
111391150,0ptp4l0-21swapper/608:45:346
111391150,0ptp4l0-21swapper/608:43:036
111391150,0ptp4l0-21swapper/608:34:556
111391150,0ptp4l0-21swapper/608:07:406
111391150,0ptp4l0-21swapper/607:58:476
111391150,0ptp4l0-21swapper/607:35:556
111391150,0ptp4l0-21swapper/607:25:036
111391150,0ptp4l0-21swapper/607:16:516
111391150,0ptp4l0-21swapper/607:16:516
111391150,0ptp4l0-21swapper/509:06:485
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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