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2026-05-21 - 01:57

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 May 20, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1954726636,6sleep70-21swapper/707:06:227
111391630,5ptp4l0-21swapper/507:07:505
111391620,5ptp4l0-21swapper/107:07:191
111391610,5ptp4l0-21swapper/407:09:024
111391610,29ptp4l0-21swapper/007:08:530
1977525343,6sleep20-21swapper/207:09:152
52342520,0sleep10-21swapper/108:55:171
1963825038,7sleep60-21swapper/607:07:346
1959724837,7sleep30-21swapper/307:06:583
111391350,0ptp4l0-21swapper/109:55:101
111391320,0ptp4l0-21swapper/411:20:164
111391320,0ptp4l0-21swapper/012:07:450
111391310,0ptp4l0-21swapper/009:27:080
111391300,0ptp4l0-21swapper/410:05:124
111391300,0ptp4l0-21swapper/409:32:344
111391300,0ptp4l0-21swapper/010:05:160
111391300,0ptp4l0-21swapper/009:10:180
111391290,0ptp4l0-21swapper/411:37:284
111391290,0ptp4l0-21swapper/409:19:384
111391290,0ptp4l0-21swapper/110:22:021
111391290,0ptp4l0-21swapper/011:20:090
111391290,0ptp4l0-21swapper/010:56:500
111391280,3ptp4l0-21swapper/109:45:551
111391280,2ptp4l0-21swapper/411:47:424
111391280,2ptp4l0-21swapper/409:26:164
111391280,1ptp4l32398-21ssh12:30:094
111391280,0ptp4l0-21swapper/411:00:024
111391280,0ptp4l0-21swapper/410:51:034
111391280,0ptp4l0-21swapper/410:10:124
111391280,0ptp4l0-21swapper/408:55:174
111391280,0ptp4l0-21swapper/408:30:114
111391280,0ptp4l0-21swapper/109:00:221
111391280,0ptp4l0-21swapper/012:20:160
111391280,0ptp4l0-21swapper/011:58:410
111391280,0ptp4l0-21swapper/011:25:030
111391280,0ptp4l0-21swapper/011:15:020
111391280,0ptp4l0-21swapper/011:15:010
111391280,0ptp4l0-21swapper/010:44:230
111391280,0ptp4l0-21swapper/010:30:350
111391280,0ptp4l0-21swapper/007:50:160
111391270,0ptp4l10867-21diskmemload12:04:274
111391270,0ptp4l0-21swapper/709:25:127
111391270,0ptp4l0-21swapper/412:15:554
111391270,0ptp4l0-21swapper/411:32:044
111391270,0ptp4l0-21swapper/411:26:024
111391270,0ptp4l0-21swapper/410:47:544
111391270,0ptp4l0-21swapper/410:41:504
111391270,0ptp4l0-21swapper/410:15:484
111391270,0ptp4l0-21swapper/409:53:454
111391270,0ptp4l0-21swapper/409:44:424
111391270,0ptp4l0-21swapper/111:43:451
111391270,0ptp4l0-21swapper/111:37:021
111391270,0ptp4l0-21swapper/111:02:501
111391270,0ptp4l0-21swapper/109:20:361
111391270,0ptp4l0-21swapper/109:14:341
111391270,0ptp4l0-21swapper/012:12:220
111391270,0ptp4l0-21swapper/011:54:110
111391270,0ptp4l0-21swapper/010:51:350
111391270,0ptp4l0-21swapper/009:52:470
111391260,1ptp4l10867-21diskmemload10:58:267
111391260,0ptp4l0-21swapper/711:27:187
111391260,0ptp4l0-21swapper/709:59:087
111391260,0ptp4l0-21swapper/610:16:416
111391260,0ptp4l0-21swapper/512:18:305
111391260,0ptp4l0-21swapper/511:30:545
111391260,0ptp4l0-21swapper/510:10:415
111391260,0ptp4l0-21swapper/509:55:215
111391260,0ptp4l0-21swapper/412:39:164
111391260,0ptp4l0-21swapper/412:11:574
111391260,0ptp4l0-21swapper/411:07:484
111391260,0ptp4l0-21swapper/410:25:174
111391260,0ptp4l0-21swapper/409:55:584
111391260,0ptp4l0-21swapper/408:00:114
111391260,0ptp4l0-21swapper/209:36:252
111391260,0ptp4l0-21swapper/111:15:151
111391260,0ptp4l0-21swapper/111:15:141
111391260,0ptp4l0-21swapper/012:30:170
111391260,0ptp4l0-21swapper/011:40:120
111391260,0ptp4l0-21swapper/009:33:450
111391250,2ptp4l481ktimersoftd/407:44:104
111391250,1ptp4l6223-21fw_forwarded_lo11:55:124
111391250,1ptp4l28400-21latency10:15:160
111391250,1ptp4l23483-21forks07:15:130
111391250,0ptp4l0-21swapper/710:00:537
111391250,0ptp4l0-21swapper/707:25:187
111391250,0ptp4l0-21swapper/511:03:525
111391250,0ptp4l0-21swapper/509:23:315
111391250,0ptp4l0-21swapper/507:30:155
111391250,0ptp4l0-21swapper/412:29:424
111391250,0ptp4l0-21swapper/411:44:304
111391250,0ptp4l0-21swapper/410:35:134
111391250,0ptp4l0-21swapper/409:47:284
111391250,0ptp4l0-21swapper/409:22:294
111391250,0ptp4l0-21swapper/309:50:033
111391250,0ptp4l0-21swapper/112:00:011
111391250,0ptp4l0-21swapper/111:12:121
111391250,0ptp4l0-21swapper/110:18:191
111391250,0ptp4l0-21swapper/012:28:070
111391250,0ptp4l0-21swapper/011:48:060
111391250,0ptp4l0-21swapper/011:06:520
111391250,0ptp4l0-21swapper/010:37:110
111391250,0ptp4l0-21swapper/009:19:550
111391250,0ptp4l0-21swapper/008:30:160
111391250,0ptp4l0-21swapper/007:55:200
111391250,0ptp4l0-21swapper/007:20:180
111391240,1ptp4l9985-21wc10:35:011
111391240,1ptp4l9233-21awk09:05:121
111391240,1ptp4l31814-21sed09:35:205
111391240,1ptp4l24839-21grep10:55:111
111391240,0ptp4l0-21swapper/709:18:587
111391240,0ptp4l0-21swapper/512:36:055
111391240,0ptp4l0-21swapper/511:59:535
111391240,0ptp4l0-21swapper/510:45:105
111391240,0ptp4l0-21swapper/508:10:175
111391240,0ptp4l0-21swapper/507:45:135
111391240,0ptp4l0-21swapper/412:24:224
111391240,0ptp4l0-21swapper/412:08:584
111391240,0ptp4l0-21swapper/411:15:174
111391240,0ptp4l0-21swapper/411:15:164
111391240,0ptp4l0-21swapper/411:10:224
111391240,0ptp4l0-21swapper/410:55:204
111391240,0ptp4l0-21swapper/409:10:144
111391240,0ptp4l0-21swapper/408:05:154
111391240,0ptp4l0-21swapper/407:50:014
111391240,0ptp4l0-21swapper/311:52:403
111391240,0ptp4l0-21swapper/311:27:163
111391240,0ptp4l0-21swapper/309:18:543
111391240,0ptp4l0-21swapper/107:45:131
111391240,0ptp4l0-21swapper/012:39:270
111391240,0ptp4l0-21swapper/011:35:000
111391240,0ptp4l0-21swapper/010:48:570
111391240,0ptp4l0-21swapper/008:55:000
111391240,0ptp4l0-21swapper/008:30:000
20140992320,0cyclictest0-21swapper/510:33:015
111391230,1ptp4l4643-21fw_conntrack08:55:130
111391230,1ptp4l19852-21grep08:15:214
111391230,1ptp4l10867-21diskmemload10:04:160
111391230,0ptp4l14379-21kernelversion10:40:151
111391230,0ptp4l0-21swapper/712:07:547
111391230,0ptp4l0-21swapper/709:50:207
111391230,0ptp4l0-21swapper/709:24:177
111391230,0ptp4l0-21swapper/709:07:207
111391230,0ptp4l0-21swapper/612:24:386
111391230,0ptp4l0-21swapper/611:30:196
111391230,0ptp4l0-21swapper/608:45:006
111391230,0ptp4l0-21swapper/607:57:186
111391230,0ptp4l0-21swapper/512:20:155
111391230,0ptp4l0-21swapper/512:10:335
111391230,0ptp4l0-21swapper/511:40:195
111391230,0ptp4l0-21swapper/511:36:105
111391230,0ptp4l0-21swapper/511:23:455
111391230,0ptp4l0-21swapper/511:14:105
111391230,0ptp4l0-21swapper/510:45:015
111391230,0ptp4l0-21swapper/510:17:265
111391230,0ptp4l0-21swapper/510:02:445
111391230,0ptp4l0-21swapper/509:45:015
111391230,0ptp4l0-21swapper/509:14:305
111391230,0ptp4l0-21swapper/508:45:175
111391230,0ptp4l0-21swapper/507:40:115
111391230,0ptp4l0-21swapper/507:35:195
111391230,0ptp4l0-21swapper/411:53:494
111391230,0ptp4l0-21swapper/410:30:054
111391230,0ptp4l0-21swapper/410:20:204
111391230,0ptp4l0-21swapper/410:01:284
111391230,0ptp4l0-21swapper/409:40:004
111391230,0ptp4l0-21swapper/408:50:204
111391230,0ptp4l0-21swapper/408:35:114
111391230,0ptp4l0-21swapper/408:35:104
111391230,0ptp4l0-21swapper/408:25:194
111391230,0ptp4l0-21swapper/408:20:104
111391230,0ptp4l0-21swapper/407:55:124
111391230,0ptp4l0-21swapper/407:15:214
111391230,0ptp4l0-21swapper/311:33:493
111391230,0ptp4l0-21swapper/310:00:113
111391230,0ptp4l0-21swapper/309:59:033
111391230,0ptp4l0-21swapper/309:49:593
111391230,0ptp4l0-21swapper/309:25:143
111391230,0ptp4l0-21swapper/112:19:001
111391230,0ptp4l0-21swapper/112:10:121
111391230,0ptp4l0-21swapper/111:51:541
111391230,0ptp4l0-21swapper/111:29:051
111391230,0ptp4l0-21swapper/111:21:511
111391230,0ptp4l0-21swapper/111:07:561
111391230,0ptp4l0-21swapper/110:53:571
111391230,0ptp4l0-21swapper/110:45:201
111391230,0ptp4l0-21swapper/110:11:251
111391230,0ptp4l0-21swapper/109:35:111
111391230,0ptp4l0-21swapper/108:45:181
111391230,0ptp4l0-21swapper/108:40:131
111391230,0ptp4l0-21swapper/108:40:131
111391230,0ptp4l0-21swapper/108:32:101
111391230,0ptp4l0-21swapper/107:35:111
111391230,0ptp4l0-21swapper/107:30:191
111391230,0ptp4l0-21swapper/107:29:591
111391230,0ptp4l0-21swapper/012:15:100
111391230,0ptp4l0-21swapper/012:00:190
111391230,0ptp4l0-21swapper/011:35:130
111391230,0ptp4l0-21swapper/011:00:360
111391230,0ptp4l0-21swapper/010:25:180
111391230,0ptp4l0-21swapper/010:20:150
111391230,0ptp4l0-21swapper/010:10:110
111391230,0ptp4l0-21swapper/009:58:320
111391230,0ptp4l0-21swapper/009:40:160
111391230,0ptp4l0-21swapper/009:20:170
111391230,0ptp4l0-21swapper/008:35:160
111391230,0ptp4l0-21swapper/008:35:160
111391230,0ptp4l0-21swapper/008:20:120
111391230,0ptp4l0-21swapper/008:15:160
111391230,0ptp4l0-21swapper/008:10:110
111391230,0ptp4l0-21swapper/008:05:140
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/007:40:130
111391220,0ptp4l0-21swapper/711:52:517
111391220,0ptp4l0-21swapper/711:33:387
111391220,0ptp4l0-21swapper/709:49:107
111391220,0ptp4l0-21swapper/612:29:366
111391220,0ptp4l0-21swapper/612:00:056
111391220,0ptp4l0-21swapper/611:11:596
111391220,0ptp4l0-21swapper/611:03:496
111391220,0ptp4l0-21swapper/610:53:256
111391220,0ptp4l0-21swapper/610:04:136
111391220,0ptp4l0-21swapper/609:36:246
111391220,0ptp4l0-21swapper/512:30:335
111391220,0ptp4l0-21swapper/512:26:205
111391220,0ptp4l0-21swapper/511:52:085
111391220,0ptp4l0-21swapper/511:47:475
111391220,0ptp4l0-21swapper/511:28:035
111391220,0ptp4l0-21swapper/510:56:015
111391220,0ptp4l0-21swapper/510:53:525
111391220,0ptp4l0-21swapper/510:36:085
111391220,0ptp4l0-21swapper/510:26:265
111391220,0ptp4l0-21swapper/510:09:085
111391220,0ptp4l0-21swapper/509:30:295
111391220,0ptp4l0-21swapper/509:27:385
111391220,0ptp4l0-21swapper/509:05:155
111391220,0ptp4l0-21swapper/509:00:205
111391220,0ptp4l0-21swapper/508:17:105
111391220,0ptp4l0-21swapper/508:00:205
111391220,0ptp4l0-21swapper/407:20:154
111391220,0ptp4l0-21swapper/407:10:184
111391220,0ptp4l0-21swapper/309:23:403
111391220,0ptp4l0-21swapper/307:25:123
111391220,0ptp4l0-21swapper/212:21:572
111391220,0ptp4l0-21swapper/211:30:222
111391220,0ptp4l0-21swapper/210:53:222
111391220,0ptp4l0-21swapper/208:20:002
111391220,0ptp4l0-21swapper/112:35:531
111391220,0ptp4l0-21swapper/112:30:241
111391220,0ptp4l0-21swapper/112:26:161
111391220,0ptp4l0-21swapper/112:20:131
111391220,0ptp4l0-21swapper/112:08:411
111391220,0ptp4l0-21swapper/111:47:491
111391220,0ptp4l0-21swapper/111:30:291
111391220,0ptp4l0-21swapper/110:36:161
111391220,0ptp4l0-21swapper/110:25:361
111391220,0ptp4l0-21swapper/109:42:231
111391220,0ptp4l0-21swapper/109:31:281
111391220,0ptp4l0-21swapper/109:28:361
111391220,0ptp4l0-21swapper/109:15:211
111391220,0ptp4l0-21swapper/108:00:181
111391220,0ptp4l0-21swapper/011:10:130
111391220,0ptp4l0-21swapper/009:45:130
111391220,0ptp4l0-21swapper/009:35:010
111391220,0ptp4l0-21swapper/008:40:180
111391220,0ptp4l0-21swapper/008:40:170
111391220,0ptp4l0-21swapper/007:10:140
20140992116,0cyclictest0-21swapper/510:20:155
111391210,1ptp4l0-21swapper/608:04:436
111391210,0ptp4l0-21swapper/611:47:066
111391210,0ptp4l0-21swapper/610:49:306
111391210,0ptp4l0-21swapper/610:20:426
111391210,0ptp4l0-21swapper/512:07:055
111391210,0ptp4l0-21swapper/511:15:075
111391210,0ptp4l0-21swapper/511:15:065
111391210,0ptp4l0-21swapper/511:05:045
111391210,0ptp4l0-21swapper/509:52:185
111391210,0ptp4l0-21swapper/509:44:595
111391210,0ptp4l0-21swapper/508:07:555
111391210,0ptp4l0-21swapper/507:53:105
111391210,0ptp4l0-21swapper/507:17:425
111391210,0ptp4l0-21swapper/409:08:184
111391210,0ptp4l0-21swapper/409:02:034
111391210,0ptp4l0-21swapper/408:40:184
111391210,0ptp4l0-21swapper/408:40:184
111391210,0ptp4l0-21swapper/407:27:344
111391210,0ptp4l0-21swapper/311:39:553
111391210,0ptp4l0-21swapper/211:39:292
111391210,0ptp4l0-21swapper/211:26:432
111391210,0ptp4l0-21swapper/211:11:572
111391210,0ptp4l0-21swapper/209:15:412
111391210,0ptp4l0-21swapper/110:01:411
111391210,0ptp4l0-21swapper/109:52:171
111391210,0ptp4l0-21swapper/108:52:511
111391210,0ptp4l0-21swapper/108:10:121
111391210,0ptp4l0-21swapper/107:18:031
111391210,0ptp4l0-21swapper/008:46:410
111391200,0ptp4l740-21ssh10:20:412
111391200,0ptp4l0-21swapper/607:42:326
111391200,0ptp4l0-21swapper/509:15:205
111391200,0ptp4l0-21swapper/508:40:165
111391200,0ptp4l0-21swapper/508:40:155
111391200,0ptp4l0-21swapper/508:36:105
111391200,0ptp4l0-21swapper/508:36:105
111391200,0ptp4l0-21swapper/508:29:035
111391200,0ptp4l0-21swapper/408:49:354
111391200,0ptp4l0-21swapper/407:39:104
111391200,0ptp4l0-21swapper/212:29:332
111391200,0ptp4l0-21swapper/211:00:082
111391200,0ptp4l0-21swapper/210:16:392
111391200,0ptp4l0-21swapper/210:04:112
111391200,0ptp4l0-21swapper/209:57:092
111391200,0ptp4l0-21swapper/209:22:482
111391200,0ptp4l0-21swapper/108:39:051
111391200,0ptp4l0-21swapper/108:39:041
111391200,0ptp4l0-21swapper/108:26:111
111391200,0ptp4l0-21swapper/108:08:101
111391200,0ptp4l0-21swapper/107:43:101
111391200,0ptp4l0-21swapper/009:07:100
111391200,0ptp4l0-21swapper/007:47:500
111391200,0ptp4l0-21swapper/007:29:500
111391190,0ptp4l0-21swapper/710:39:337
111391190,0ptp4l0-21swapper/609:57:326
111391190,0ptp4l0-21swapper/407:47:514
111391190,0ptp4l0-21swapper/311:24:443
111391190,0ptp4l0-21swapper/310:39:323
111391190,0ptp4l0-21swapper/307:24:503
111391190,0ptp4l0-21swapper/211:47:062
111391190,0ptp4l0-21swapper/211:20:582
111391190,0ptp4l0-21swapper/211:06:322
111391190,0ptp4l0-21swapper/210:48:522
111391190,0ptp4l0-21swapper/208:48:342
111391190,0ptp4l0-21swapper/207:16:242
111391190,0ptp4l0-21swapper/110:09:051
111391190,0ptp4l0-21swapper/107:10:401
111391190,0ptp4l0-21swapper/007:39:280
111391190,0ptp4l0-21swapper/007:32:540
111391180,0ptp4l0-21swapper/707:24:557
111391180,0ptp4l0-21swapper/611:06:326
111391180,0ptp4l0-21swapper/608:20:286
111391170,0ptp4l0-21swapper/611:39:296
111391170,0ptp4l0-21swapper/609:15:426
111391170,0ptp4l0-21swapper/407:33:494
111391170,0ptp4l0-21swapper/207:42:412
111391160,0ptp4l0-21swapper/711:24:467
111391160,0ptp4l0-21swapper/611:20:586
111391160,0ptp4l0-21swapper/508:56:475
111391160,0ptp4l0-21swapper/508:53:265
111391160,0ptp4l0-21swapper/408:11:104
111391160,0ptp4l0-21swapper/312:07:593
111391160,0ptp4l0-21swapper/212:00:052
111391160,0ptp4l0-21swapper/108:18:051
111391160,0ptp4l0-21swapper/107:50:221
111391160,0ptp4l0-21swapper/107:24:231
111391150,0ptp4l0-21swapper/708:40:567
111391150,0ptp4l0-21swapper/708:40:567
111391150,0ptp4l0-21swapper/609:08:116
111391150,0ptp4l0-21swapper/608:41:216
111391150,0ptp4l0-21swapper/608:41:206
111391150,0ptp4l0-21swapper/608:19:416
111391150,0ptp4l0-21swapper/607:33:126
111391150,0ptp4l0-21swapper/607:29:056
111391150,0ptp4l0-21swapper/607:23:096
111391150,0ptp4l0-21swapper/607:16:256
111391150,0ptp4l0-21swapper/508:31:285
111391150,0ptp4l0-21swapper/508:22:055
111391150,0ptp4l0-21swapper/507:26:565
111391150,0ptp4l0-21swapper/507:20:465
111391150,0ptp4l0-21swapper/507:10:225
111391150,0ptp4l0-21swapper/309:07:163
111391150,0ptp4l0-21swapper/308:40:563
111391150,0ptp4l0-21swapper/308:40:553
111391150,0ptp4l0-21swapper/209:30:222
111391150,0ptp4l0-21swapper/208:50:092
111391150,0ptp4l0-21swapper/208:45:012
111391150,0ptp4l0-21swapper/208:45:002
111391150,0ptp4l0-21swapper/208:25:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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