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2026-01-06 - 22:33

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 Jan 06, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,32ptp4l0-21swapper/007:05:190
111391640,4ptp4l0-21swapper/107:05:131
1421426332,7sleep30-21swapper/307:05:133
9152610,1sleep125-21ksoftirqd/111:06:031
1609526039,16sleep70-21swapper/707:09:577
1418225949,6sleep40-21swapper/407:05:054
108322570,1sleep3401ktimersoftd/310:36:573
1582625433,6sleep20-21swapper/207:06:312
111391500,5ptp4l0-21swapper/507:09:235
1593024636,6sleep60-21swapper/607:07:556
111391320,8ptp4l0-21swapper/312:38:063
111391320,0ptp4l0-21swapper/010:30:000
111391320,0ptp4l0-21swapper/007:40:120
111391310,0ptp4l0-21swapper/510:22:125
111391310,0ptp4l0-21swapper/012:26:280
111391310,0ptp4l0-21swapper/012:02:020
111391310,0ptp4l0-21swapper/011:10:370
111391300,1ptp4l674-21sh09:41:444
111391300,0ptp4l0-21swapper/411:33:584
111391300,0ptp4l0-21swapper/411:05:504
111391300,0ptp4l0-21swapper/410:04:404
111391300,0ptp4l0-21swapper/409:51:584
111391300,0ptp4l0-21swapper/310:15:583
111391300,0ptp4l0-21swapper/110:11:381
111391300,0ptp4l0-21swapper/110:09:411
111391300,0ptp4l0-21swapper/010:55:190
111391290,4ptp4l0-21swapper/110:40:071
111391290,0ptp4l0-21swapper/511:24:095
111391290,0ptp4l0-21swapper/412:32:464
111391290,0ptp4l0-21swapper/409:15:154
111391290,0ptp4l0-21swapper/011:23:080
111391280,2ptp4l0-21swapper/412:03:354
111391280,0ptp4l0-21swapper/412:09:264
111391280,0ptp4l0-21swapper/412:09:254
111391280,0ptp4l0-21swapper/411:04:474
111391280,0ptp4l0-21swapper/408:51:254
111391280,0ptp4l0-21swapper/112:34:301
111391280,0ptp4l0-21swapper/112:15:371
111391280,0ptp4l0-21swapper/110:45:531
111391280,0ptp4l0-21swapper/109:51:141
111391280,0ptp4l0-21swapper/109:45:011
111391280,0ptp4l0-21swapper/012:23:310
111391280,0ptp4l0-21swapper/012:17:530
111391280,0ptp4l0-21swapper/011:40:080
111391280,0ptp4l0-21swapper/011:25:220
111391280,0ptp4l0-21swapper/010:40:530
111391270,3ptp4l0-21swapper/009:14:090
111391270,2ptp4l241ktimersoftd/108:24:171
111391270,2ptp4l0-21swapper/107:15:151
111391270,0ptp4l0-21swapper/411:41:534
111391270,0ptp4l0-21swapper/410:05:424
111391270,0ptp4l0-21swapper/409:23:514
111391270,0ptp4l0-21swapper/309:59:563
111391270,0ptp4l0-21swapper/309:38:573
111391270,0ptp4l0-21swapper/211:11:272
111391270,0ptp4l0-21swapper/011:30:190
111391270,0ptp4l0-21swapper/010:38:570
111391260,1ptp4l7243-21diskmemload10:43:424
111391260,1ptp4l18687-21cat07:15:001
111391260,1ptp4l0-21swapper/011:49:310
111391260,0ptp4l0-21swapper/712:10:337
111391260,0ptp4l0-21swapper/710:17:167
111391260,0ptp4l0-21swapper/511:08:335
111391260,0ptp4l0-21swapper/509:37:365
111391260,0ptp4l0-21swapper/307:30:153
111391260,0ptp4l0-21swapper/112:13:521
111391260,0ptp4l0-21swapper/111:58:321
111391260,0ptp4l0-21swapper/110:23:161
111391260,0ptp4l0-21swapper/012:39:370
111391260,0ptp4l0-21swapper/011:38:580
111391260,0ptp4l0-21swapper/011:15:210
111391260,0ptp4l0-21swapper/011:06:560
111391260,0ptp4l0-21swapper/010:54:430
111391260,0ptp4l0-21swapper/010:47:190
111391260,0ptp4l0-21swapper/010:11:300
111391260,0ptp4l0-21swapper/009:20:330
111391250,3ptp4l121rcu_preempt08:20:264
111391250,1ptp4l23866-21latency_hist07:25:003
111391250,0ptp4l0-21swapper/511:35:115
111391250,0ptp4l0-21swapper/511:00:155
111391250,0ptp4l0-21swapper/510:36:035
111391250,0ptp4l0-21swapper/509:12:205
111391250,0ptp4l0-21swapper/412:26:264
111391250,0ptp4l0-21swapper/412:18:294
111391250,0ptp4l0-21swapper/410:57:204
111391250,0ptp4l0-21swapper/410:29:594
111391250,0ptp4l0-21swapper/409:49:344
111391250,0ptp4l0-21swapper/409:29:344
111391250,0ptp4l0-21swapper/409:11:544
111391250,0ptp4l0-21swapper/312:10:203
111391250,0ptp4l0-21swapper/311:49:153
111391250,0ptp4l0-21swapper/111:45:111
111391250,0ptp4l0-21swapper/110:54:291
111391250,0ptp4l0-21swapper/109:13:061
111391240,1ptp4l7048-21cpuspeed_turbos11:15:094
111391240,1ptp4l31188-21expr09:40:115
111391240,1ptp4l2990-21users11:50:191
111391240,1ptp4l24150-21memory09:30:154
111391240,1ptp4l24150-21memory09:30:154
111391240,1ptp4l22672-21latency10:10:165
111391240,1ptp4l20812-21users08:25:200
111391240,1ptp4l1778-21netstat07:45:165
111391240,1ptp4l15905-21xargs08:15:190
111391240,1ptp4l0-21swapper/312:29:263
111391240,1ptp4l0-21swapper/009:49:050
111391240,0ptp4l0-21swapper/512:05:165
111391240,0ptp4l0-21swapper/512:05:165
111391240,0ptp4l0-21swapper/511:56:095
111391240,0ptp4l0-21swapper/510:42:005
111391240,0ptp4l0-21swapper/509:55:155
111391240,0ptp4l0-21swapper/509:50:355
111391240,0ptp4l0-21swapper/509:45:565
111391240,0ptp4l0-21swapper/508:00:105
111391240,0ptp4l0-21swapper/507:34:025
111391240,0ptp4l0-21swapper/507:20:125
111391240,0ptp4l0-21swapper/411:21:074
111391240,0ptp4l0-21swapper/310:14:333
111391240,0ptp4l0-21swapper/012:33:190
111391240,0ptp4l0-21swapper/011:50:460
111391240,0ptp4l0-21swapper/011:02:570
111391240,0ptp4l0-21swapper/010:05:160
111391240,0ptp4l0-21swapper/009:30:150
111391240,0ptp4l0-21swapper/009:30:140
111391240,0ptp4l0-21swapper/009:25:400
111391240,0ptp4l0-21swapper/008:55:130
111391240,0ptp4l0-21swapper/008:20:130
111391230,3ptp4l0-21swapper/107:42:371
111391230,1ptp4l7243-21diskmemload12:08:380
111391230,1ptp4l7243-21diskmemload12:08:370
111391230,1ptp4l30803-21switchtime10:20:194
111391230,1ptp4l27065-21needreboot08:40:184
111391230,1ptp4l26172-21ssh10:57:052
111391230,1ptp4l16863-21fw_forwarded_lo07:10:124
111391230,1ptp4l1323-21ssh10:25:121
111391230,1ptp4l0-21swapper/009:42:000
111391230,0ptp4l9938-21cat08:05:004
111391230,0ptp4l30968-21sensors_temp11:45:195
111391230,0ptp4l26239-21ssh12:21:061
111391230,0ptp4l0-21swapper/712:29:197
111391230,0ptp4l0-21swapper/710:03:007
111391230,0ptp4l0-21swapper/709:47:407
111391230,0ptp4l0-21swapper/707:30:077
111391230,0ptp4l0-21swapper/612:27:086
111391230,0ptp4l0-21swapper/512:15:105
111391230,0ptp4l0-21swapper/511:25:125
111391230,0ptp4l0-21swapper/511:10:165
111391230,0ptp4l0-21swapper/510:55:055
111391230,0ptp4l0-21swapper/510:50:015
111391230,0ptp4l0-21swapper/510:34:575
111391230,0ptp4l0-21swapper/510:25:175
111391230,0ptp4l0-21swapper/507:15:155
111391230,0ptp4l0-21swapper/412:20:204
111391230,0ptp4l0-21swapper/412:12:434
111391230,0ptp4l0-21swapper/411:26:124
111391230,0ptp4l0-21swapper/411:10:534
111391230,0ptp4l0-21swapper/410:50:114
111391230,0ptp4l0-21swapper/410:35:124
111391230,0ptp4l0-21swapper/410:32:284
111391230,0ptp4l0-21swapper/408:57:394
111391230,0ptp4l0-21swapper/408:15:204
111391230,0ptp4l0-21swapper/408:10:004
111391230,0ptp4l0-21swapper/407:50:134
111391230,0ptp4l0-21swapper/407:25:204
111391230,0ptp4l0-21swapper/312:31:333
111391230,0ptp4l0-21swapper/210:50:202
111391230,0ptp4l0-21swapper/210:49:482
111391230,0ptp4l0-21swapper/112:05:051
111391230,0ptp4l0-21swapper/112:05:051
111391230,0ptp4l0-21swapper/111:35:161
111391230,0ptp4l0-21swapper/111:25:131
111391230,0ptp4l0-21swapper/111:18:251
111391230,0ptp4l0-21swapper/111:10:211
111391230,0ptp4l0-21swapper/110:30:111
111391230,0ptp4l0-21swapper/109:40:121
111391230,0ptp4l0-21swapper/109:35:201
111391230,0ptp4l0-21swapper/107:35:201
111391230,0ptp4l0-21swapper/010:00:130
111391230,0ptp4l0-21swapper/008:50:210
111391230,0ptp4l0-21swapper/008:45:200
111391230,0ptp4l0-21swapper/008:40:220
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/008:05:120
111391220,1ptp4l13425-21ssh09:59:272
111391220,0ptp4l7243-21diskmemload12:28:471
111391220,0ptp4l5046-21ssh11:11:266
111391220,0ptp4l0-21swapper/712:37:087
111391220,0ptp4l0-21swapper/712:32:017
111391220,0ptp4l0-21swapper/712:03:067
111391220,0ptp4l0-21swapper/711:49:207
111391220,0ptp4l0-21swapper/711:17:007
111391220,0ptp4l0-21swapper/709:59:447
111391220,0ptp4l0-21swapper/610:10:056
111391220,0ptp4l0-21swapper/610:07:386
111391220,0ptp4l0-21swapper/609:44:186
111391220,0ptp4l0-21swapper/512:35:095
111391220,0ptp4l0-21swapper/512:34:175
111391220,0ptp4l0-21swapper/512:25:175
111391220,0ptp4l0-21swapper/512:21:305
111391220,0ptp4l0-21swapper/512:11:225
111391220,0ptp4l0-21swapper/512:02:075
111391220,0ptp4l0-21swapper/511:50:155
111391220,0ptp4l0-21swapper/511:42:285
111391220,0ptp4l0-21swapper/511:33:015
111391220,0ptp4l0-21swapper/511:16:415
111391220,0ptp4l0-21swapper/510:52:525
111391220,0ptp4l0-21swapper/510:05:585
111391220,0ptp4l0-21swapper/509:31:175
111391220,0ptp4l0-21swapper/509:31:175
111391220,0ptp4l0-21swapper/509:04:555
111391220,0ptp4l0-21swapper/508:25:005
111391220,0ptp4l0-21swapper/508:05:195
111391220,0ptp4l0-21swapper/507:35:115
111391220,0ptp4l0-21swapper/412:39:234
111391220,0ptp4l0-21swapper/411:59:484
111391220,0ptp4l0-21swapper/411:50:134
111391220,0ptp4l0-21swapper/411:49:514
111391220,0ptp4l0-21swapper/411:35:584
111391220,0ptp4l0-21swapper/410:45:304
111391220,0ptp4l0-21swapper/410:12:164
111391220,0ptp4l0-21swapper/409:55:444
111391220,0ptp4l0-21swapper/409:37:064
111391220,0ptp4l0-21swapper/409:05:164
111391220,0ptp4l0-21swapper/409:00:194
111391220,0ptp4l0-21swapper/408:45:164
111391220,0ptp4l0-21swapper/408:39:424
111391220,0ptp4l0-21swapper/408:30:134
111391220,0ptp4l0-21swapper/408:25:144
111391220,0ptp4l0-21swapper/407:55:134
111391220,0ptp4l0-21swapper/312:02:573
111391220,0ptp4l0-21swapper/310:02:333
111391220,0ptp4l0-21swapper/309:46:463
111391220,0ptp4l0-21swapper/307:55:153
111391220,0ptp4l0-21swapper/212:13:052
111391220,0ptp4l0-21swapper/210:20:422
111391220,0ptp4l0-21swapper/112:35:031
111391220,0ptp4l0-21swapper/112:00:181
111391220,0ptp4l0-21swapper/111:44:131
111391220,0ptp4l0-21swapper/111:20:041
111391220,0ptp4l0-21swapper/111:01:281
111391220,0ptp4l0-21swapper/110:55:031
111391220,0ptp4l0-21swapper/110:40:001
111391220,0ptp4l0-21swapper/110:03:221
111391220,0ptp4l0-21swapper/109:55:071
111391220,0ptp4l0-21swapper/109:30:511
111391220,0ptp4l0-21swapper/109:30:511
111391220,0ptp4l0-21swapper/109:22:451
111391220,0ptp4l0-21swapper/108:25:121
111391220,0ptp4l0-21swapper/108:05:151
111391220,0ptp4l0-21swapper/108:00:101
111391220,0ptp4l0-21swapper/107:45:171
111391220,0ptp4l0-21swapper/107:20:161
111391220,0ptp4l0-21swapper/012:11:130
111391220,0ptp4l0-21swapper/011:57:480
111391220,0ptp4l0-21swapper/010:23:010
111391220,0ptp4l0-21swapper/009:58:140
111391220,0ptp4l0-21swapper/009:51:380
111391220,0ptp4l0-21swapper/009:36:540
111391220,0ptp4l0-21swapper/009:15:130
111391220,0ptp4l0-21swapper/009:05:170
111391220,0ptp4l0-21swapper/009:00:180
111391220,0ptp4l0-21swapper/008:35:110
111391220,0ptp4l0-21swapper/008:30:180
111391220,0ptp4l0-21swapper/008:01:000
111391220,0ptp4l0-21swapper/007:55:140
111391220,0ptp4l0-21swapper/007:50:140
111391220,0ptp4l0-21swapper/007:25:130
111391220,0ptp4l0-21swapper/007:10:110
111391210,3ptp4l641ktimersoftd/611:17:236
111391210,3ptp4l0-21swapper/108:19:301
111391210,0ptp4l0-21swapper/710:14:317
111391210,0ptp4l0-21swapper/709:38:557
111391210,0ptp4l0-21swapper/709:33:377
111391210,0ptp4l0-21swapper/709:33:367
111391210,0ptp4l0-21swapper/612:08:496
111391210,0ptp4l0-21swapper/612:08:486
111391210,0ptp4l0-21swapper/611:35:426
111391210,0ptp4l0-21swapper/611:34:276
111391210,0ptp4l0-21swapper/611:04:336
111391210,0ptp4l0-21swapper/610:57:046
111391210,0ptp4l0-21swapper/610:49:246
111391210,0ptp4l0-21swapper/610:20:386
111391210,0ptp4l0-21swapper/510:00:395
111391210,0ptp4l0-21swapper/509:27:045
111391210,0ptp4l0-21swapper/509:20:235
111391210,0ptp4l0-21swapper/509:19:435
111391210,0ptp4l0-21swapper/407:45:114
111391210,0ptp4l0-21swapper/407:40:134
111391210,0ptp4l0-21swapper/307:25:123
111391210,0ptp4l0-21swapper/211:35:382
111391210,0ptp4l0-21swapper/211:29:432
111391210,0ptp4l0-21swapper/211:04:352
111391210,0ptp4l0-21swapper/209:27:422
111391210,0ptp4l0-21swapper/209:00:132
111391210,0ptp4l0-21swapper/109:28:461
111391210,0ptp4l0-21swapper/107:52:101
111391210,0ptp4l0-21swapper/010:27:000
111391210,0ptp4l0-21swapper/007:45:140
111391200,0ptp4l0-21swapper/707:22:067
111391200,0ptp4l0-21swapper/610:36:376
111391200,0ptp4l0-21swapper/508:32:075
111391200,0ptp4l0-21swapper/508:23:395
111391200,0ptp4l0-21swapper/507:40:115
111391200,0ptp4l0-21swapper/408:11:064
111391200,0ptp4l0-21swapper/407:36:314
111391200,0ptp4l0-21swapper/407:16:244
111391200,0ptp4l0-21swapper/309:33:313
111391200,0ptp4l0-21swapper/309:33:313
111391200,0ptp4l0-21swapper/212:25:022
111391200,0ptp4l0-21swapper/212:21:002
111391200,0ptp4l0-21swapper/211:17:242
111391200,0ptp4l0-21swapper/209:40:282
111391200,0ptp4l0-21swapper/209:23:102
111391200,0ptp4l0-21swapper/109:17:321
111391200,0ptp4l0-21swapper/107:59:551
111391190,0ptp4l0-21swapper/611:29:426
111391190,0ptp4l0-21swapper/609:02:446
111391190,0ptp4l0-21swapper/509:05:115
111391190,0ptp4l0-21swapper/507:59:135
111391190,0ptp4l0-21swapper/507:14:005
111391190,0ptp4l0-21swapper/311:16:583
111391190,0ptp4l0-21swapper/212:07:372
111391190,0ptp4l0-21swapper/212:07:362
111391190,0ptp4l0-21swapper/210:36:392
111391190,0ptp4l0-21swapper/209:38:222
111391190,0ptp4l0-21swapper/111:32:561
111391190,0ptp4l0-21swapper/109:04:221
111391190,0ptp4l0-21swapper/108:38:001
111391190,0ptp4l0-21swapper/108:34:061
111391190,0ptp4l0-21swapper/007:18:100
111391180,2ptp4l0-21swapper/107:35:001
111391180,1ptp4l0-21swapper/007:39:250
111391180,0ptp4l0-21swapper/710:20:027
111391180,0ptp4l0-21swapper/707:25:087
111391180,0ptp4l0-21swapper/609:59:316
111391180,0ptp4l0-21swapper/609:27:446
111391180,0ptp4l0-21swapper/508:14:155
111391180,0ptp4l0-21swapper/210:06:542
111391180,0ptp4l0-21swapper/108:14:551
111391170,0ptp4l0-21swapper/611:24:206
111391170,0ptp4l0-21swapper/609:38:186
111391170,0ptp4l0-21swapper/609:22:106
111391170,0ptp4l0-21swapper/607:28:066
111391170,0ptp4l0-21swapper/310:20:033
111391170,0ptp4l0-21swapper/212:36:152
111391170,0ptp4l0-21swapper/211:34:322
111391170,0ptp4l0-21swapper/210:13:522
111391170,0ptp4l0-21swapper/109:07:351
111391170,0ptp4l0-21swapper/108:40:451
111391160,0ptp4l0-21swapper/612:21:006
111391160,0ptp4l0-21swapper/508:53:265
111391160,0ptp4l0-21swapper/508:43:285
111391160,0ptp4l0-21swapper/507:27:445
111391160,0ptp4l0-21swapper/407:23:154
111391160,0ptp4l0-21swapper/108:58:281
111391160,0ptp4l0-21swapper/107:26:261
111391150,0ptp4l0-21swapper/708:33:077
111391150,0ptp4l0-21swapper/612:13:056
111391150,0ptp4l0-21swapper/609:09:566
111391150,0ptp4l0-21swapper/608:59:446
111391150,0ptp4l0-21swapper/608:01:456
111391150,0ptp4l0-21swapper/607:31:446
111391150,0ptp4l0-21swapper/607:18:046
111391150,0ptp4l0-21swapper/508:56:435
111391150,0ptp4l0-21swapper/508:37:125
111391150,0ptp4l0-21swapper/508:15:055
111391150,0ptp4l0-21swapper/507:50:385
111391150,0ptp4l0-21swapper/407:31:184
111391150,0ptp4l0-21swapper/307:18:033
111391150,0ptp4l0-21swapper/208:16:542
111391150,0ptp4l0-21swapper/208:01:472
111391150,0ptp4l0-21swapper/207:26:072
111391150,0ptp4l0-21swapper/207:18:062
111391150,0ptp4l0-21swapper/207:12:092
111391150,0ptp4l0-21swapper/108:52:151
111391150,0ptp4l0-21swapper/007:31:170
111391150,0ptp4l0-21swapper/007:23:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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