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2026-06-14 - 01:04

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 Sat Jun 13, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391960,51ptp4l0-21swapper/107:05:141
111391850,37ptp4l0-21swapper/007:05:190
111391590,5ptp4l0-21swapper/407:06:534
1881915633,7phc2sys0-21swapper/307:09:183
3260824937,7sleep70-21swapper/707:08:307
3246824938,7sleep20-21swapper/207:06:412
3236924834,9sleep60-21swapper/607:05:256
3118024634,6sleep50-21swapper/507:05:145
111391350,0ptp4l0-21swapper/407:35:194
111391340,0ptp4l0-21swapper/408:15:144
111391320,0ptp4l0-21swapper/109:25:221
111391310,0ptp4l0-21swapper/411:36:064
111391310,0ptp4l0-21swapper/410:25:314
111391310,0ptp4l0-21swapper/111:21:061
111391300,0ptp4l0-21swapper/612:24:056
111391300,0ptp4l0-21swapper/411:58:374
111391300,0ptp4l0-21swapper/411:33:494
111391300,0ptp4l0-21swapper/411:13:424
111391300,0ptp4l0-21swapper/410:21:194
111391300,0ptp4l0-21swapper/410:13:494
111391300,0ptp4l0-21swapper/410:03:034
111391300,0ptp4l0-21swapper/409:55:224
111391300,0ptp4l0-21swapper/409:31:474
111391300,0ptp4l0-21swapper/407:29:574
111391290,2ptp4l0-21swapper/408:40:134
111391290,2ptp4l0-21swapper/408:40:134
111391290,0ptp4l0-21swapper/412:14:014
111391290,0ptp4l0-21swapper/412:03:244
111391290,0ptp4l0-21swapper/409:40:124
111391290,0ptp4l0-21swapper/112:38:481
111391290,0ptp4l0-21swapper/112:11:151
111391290,0ptp4l0-21swapper/109:49:591
111391280,0ptp4l0-21swapper/412:34:324
111391280,0ptp4l0-21swapper/412:21:284
111391280,0ptp4l0-21swapper/412:17:474
111391280,0ptp4l0-21swapper/410:47:334
111391280,0ptp4l0-21swapper/111:19:281
111391280,0ptp4l0-21swapper/111:19:281
111391280,0ptp4l0-21swapper/110:51:321
111391270,1ptp4l0-21swapper/410:55:334
111391270,0ptp4l0-21swapper/409:50:354
111391270,0ptp4l0-21swapper/112:16:411
111391270,0ptp4l0-21swapper/110:40:051
111391270,0ptp4l0-21swapper/109:43:571
111391270,0ptp4l0-21swapper/009:40:150
584992618,0cyclictest57-21ksoftirqd/509:17:035
111391260,0ptp4l0-21swapper/512:11:075
111391260,0ptp4l0-21swapper/509:53:075
111391260,0ptp4l0-21swapper/509:34:125
111391260,0ptp4l0-21swapper/507:10:125
111391260,0ptp4l0-21swapper/409:19:414
111391260,0ptp4l0-21swapper/408:50:144
111391260,0ptp4l0-21swapper/312:36:373
111391260,0ptp4l0-21swapper/109:11:081
111391250,1ptp4l4285-21memory08:25:161
111391250,1ptp4l1125-21fw_forwarded_lo07:10:131
111391250,0ptp4l0-21swapper/611:24:506
111391250,0ptp4l0-21swapper/512:35:035
111391250,0ptp4l0-21swapper/510:20:125
111391250,0ptp4l0-21swapper/508:25:135
111391250,0ptp4l0-21swapper/412:26:384
111391250,0ptp4l0-21swapper/410:16:184
111391250,0ptp4l0-21swapper/112:20:231
111391250,0ptp4l0-21swapper/112:05:121
111391250,0ptp4l0-21swapper/111:35:501
111391250,0ptp4l0-21swapper/111:25:121
111391250,0ptp4l0-21swapper/109:36:401
111391250,0ptp4l0-21swapper/109:05:181
111391250,0ptp4l0-21swapper/108:57:171
111391250,0ptp4l0-21swapper/108:00:001
111391250,0ptp4l0-21swapper/012:21:340
111391250,0ptp4l0-21swapper/011:05:120
111391250,0ptp4l0-21swapper/011:00:110
111391250,0ptp4l0-21swapper/010:31:000
111391250,0ptp4l0-21swapper/009:39:540
111391250,0ptp4l0-21swapper/009:00:010
111391240,1ptp4l8048-21switchtime09:30:197
111391240,1ptp4l20897-21smart_sda07:50:185
111391240,1ptp4l20473-21grep07:50:140
111391240,1ptp4l15206-21cat11:55:014
111391240,1ptp4l13190-21diskstats07:35:125
111391240,1ptp4l12699-21latency_hist07:35:001
111391240,0ptp4l0-21swapper/512:16:195
111391240,0ptp4l0-21swapper/508:10:185
111391240,0ptp4l0-21swapper/411:49:104
111391240,0ptp4l0-21swapper/411:40:234
111391240,0ptp4l0-21swapper/411:05:134
111391240,0ptp4l0-21swapper/410:50:424
111391240,0ptp4l0-21swapper/410:40:204
111391240,0ptp4l0-21swapper/410:30:184
111391240,0ptp4l0-21swapper/409:49:094
111391240,0ptp4l0-21swapper/409:10:164
111391240,0ptp4l0-21swapper/409:10:014
111391240,0ptp4l0-21swapper/408:55:594
111391240,0ptp4l0-21swapper/408:11:444
111391240,0ptp4l0-21swapper/407:41:094
111391240,0ptp4l0-21swapper/407:15:004
111391240,0ptp4l0-21swapper/210:46:372
111391240,0ptp4l0-21swapper/111:30:101
111391240,0ptp4l0-21swapper/110:38:491
111391240,0ptp4l0-21swapper/109:59:151
111391240,0ptp4l0-21swapper/107:50:171
111391240,0ptp4l0-21swapper/012:10:510
111391240,0ptp4l0-21swapper/011:54:060
111391240,0ptp4l0-21swapper/011:35:000
111391240,0ptp4l0-21swapper/010:22:010
111391240,0ptp4l0-21swapper/009:49:450
111391240,0ptp4l0-21swapper/009:34:350
111391240,0ptp4l0-21swapper/009:20:180
111391240,0ptp4l0-21swapper/009:18:320
111391240,0ptp4l0-21swapper/008:30:120
111391240,0ptp4l0-21swapper/008:05:160
111391240,0ptp4l0-21swapper/007:55:200
111391240,0ptp4l0-21swapper/007:40:000
111391240,0ptp4l0-21swapper/007:25:120
111391230,1ptp4l28065-21cat08:05:194
111391230,1ptp4l25707-21ssh10:40:045
111391230,1ptp4l21965-21cpuspeed_turbos09:05:135
111391230,1ptp4l20385-21ls09:00:160
111391230,1ptp4l20053-21ps09:00:154
111391230,1ptp4l19275-21awk11:15:150
111391230,1ptp4l19275-21awk11:15:150
111391230,0ptp4l9-21ksoftirqd/012:15:150
111391230,0ptp4l28621-21ls08:10:001
111391230,0ptp4l23760-21diskmemload11:35:160
111391230,0ptp4l0-21swapper/712:25:187
111391230,0ptp4l0-21swapper/709:41:547
111391230,0ptp4l0-21swapper/709:17:207
111391230,0ptp4l0-21swapper/708:35:167
111391230,0ptp4l0-21swapper/512:20:165
111391230,0ptp4l0-21swapper/512:05:135
111391230,0ptp4l0-21swapper/511:50:095
111391230,0ptp4l0-21swapper/511:47:095
111391230,0ptp4l0-21swapper/511:20:405
111391230,0ptp4l0-21swapper/510:45:425
111391230,0ptp4l0-21swapper/510:00:205
111391230,0ptp4l0-21swapper/509:46:485
111391230,0ptp4l0-21swapper/509:25:025
111391230,0ptp4l0-21swapper/509:10:175
111391230,0ptp4l0-21swapper/507:31:595
111391230,0ptp4l0-21swapper/411:25:194
111391230,0ptp4l0-21swapper/411:01:594
111391230,0ptp4l0-21swapper/410:05:204
111391230,0ptp4l0-21swapper/409:35:184
111391230,0ptp4l0-21swapper/409:25:204
111391230,0ptp4l0-21swapper/409:20:204
111391230,0ptp4l0-21swapper/408:45:134
111391230,0ptp4l0-21swapper/408:30:164
111391230,0ptp4l0-21swapper/408:29:114
111391230,0ptp4l0-21swapper/408:21:344
111391230,0ptp4l0-21swapper/407:56:034
111391230,0ptp4l0-21swapper/407:20:134
111391230,0ptp4l0-21swapper/309:41:173
111391230,0ptp4l0-21swapper/309:30:183
111391230,0ptp4l0-21swapper/112:28:171
111391230,0ptp4l0-21swapper/111:58:051
111391230,0ptp4l0-21swapper/111:50:181
111391230,0ptp4l0-21swapper/111:10:221
111391230,0ptp4l0-21swapper/110:45:151
111391230,0ptp4l0-21swapper/110:25:181
111391230,0ptp4l0-21swapper/110:00:131
111391230,0ptp4l0-21swapper/109:34:021
111391230,0ptp4l0-21swapper/108:15:561
111391230,0ptp4l0-21swapper/107:46:421
111391230,0ptp4l0-21swapper/107:41:331
111391230,0ptp4l0-21swapper/012:35:160
111391230,0ptp4l0-21swapper/012:07:040
111391230,0ptp4l0-21swapper/011:11:550
111391230,0ptp4l0-21swapper/010:58:550
111391230,0ptp4l0-21swapper/010:18:540
111391230,0ptp4l0-21swapper/009:55:120
111391230,0ptp4l0-21swapper/008:20:180
111391230,0ptp4l0-21swapper/007:40:130
111391230,0ptp4l0-21swapper/007:15:140
111391220,0ptp4l24662-21forks08:00:145
111391220,0ptp4l0-21swapper/712:24:477
111391220,0ptp4l0-21swapper/709:14:197
111391220,0ptp4l0-21swapper/611:15:296
111391220,0ptp4l0-21swapper/611:15:296
111391220,0ptp4l0-21swapper/610:48:536
111391220,0ptp4l0-21swapper/609:46:276
111391220,0ptp4l0-21swapper/609:32:086
111391220,0ptp4l0-21swapper/512:33:335
111391220,0ptp4l0-21swapper/512:04:555
111391220,0ptp4l0-21swapper/511:35:335
111391220,0ptp4l0-21swapper/511:30:125
111391220,0ptp4l0-21swapper/511:29:065
111391220,0ptp4l0-21swapper/511:14:125
111391220,0ptp4l0-21swapper/511:06:255
111391220,0ptp4l0-21swapper/510:55:155
111391220,0ptp4l0-21swapper/510:30:425
111391220,0ptp4l0-21swapper/510:25:145
111391220,0ptp4l0-21swapper/510:15:555
111391220,0ptp4l0-21swapper/510:10:155
111391220,0ptp4l0-21swapper/510:07:185
111391220,0ptp4l0-21swapper/509:58:155
111391220,0ptp4l0-21swapper/509:43:125
111391220,0ptp4l0-21swapper/509:23:185
111391220,0ptp4l0-21swapper/508:55:195
111391220,0ptp4l0-21swapper/507:45:135
111391220,0ptp4l0-21swapper/412:35:124
111391220,0ptp4l0-21swapper/412:05:404
111391220,0ptp4l0-21swapper/411:21:564
111391220,0ptp4l0-21swapper/411:15:164
111391220,0ptp4l0-21swapper/411:15:164
111391220,0ptp4l0-21swapper/410:35:154
111391220,0ptp4l0-21swapper/408:04:594
111391220,0ptp4l0-21swapper/407:50:154
111391220,0ptp4l0-21swapper/407:30:004
111391220,0ptp4l0-21swapper/312:25:203
111391220,0ptp4l0-21swapper/312:24:413
111391220,0ptp4l0-21swapper/311:14:203
111391220,0ptp4l0-21swapper/309:14:103
111391220,0ptp4l0-21swapper/308:35:193
111391220,0ptp4l0-21swapper/211:44:062
111391220,0ptp4l0-21swapper/211:33:282
111391220,0ptp4l0-21swapper/210:01:562
111391220,0ptp4l0-21swapper/209:47:202
111391220,0ptp4l0-21swapper/207:47:372
111391220,0ptp4l0-21swapper/112:00:321
111391220,0ptp4l0-21swapper/111:45:181
111391220,0ptp4l0-21swapper/111:43:061
111391220,0ptp4l0-21swapper/111:06:501
111391220,0ptp4l0-21swapper/111:00:211
111391220,0ptp4l0-21swapper/110:58:481
111391220,0ptp4l0-21swapper/110:32:441
111391220,0ptp4l0-21swapper/110:07:251
111391220,0ptp4l0-21swapper/109:52:411
111391220,0ptp4l0-21swapper/109:15:131
111391220,0ptp4l0-21swapper/108:00:141
111391220,0ptp4l0-21swapper/012:30:150
111391220,0ptp4l0-21swapper/012:28:150
111391220,0ptp4l0-21swapper/012:00:060
111391220,0ptp4l0-21swapper/011:55:130
111391220,0ptp4l0-21swapper/011:40:150
111391220,0ptp4l0-21swapper/010:50:060
111391220,0ptp4l0-21swapper/010:45:050
111391220,0ptp4l0-21swapper/010:35:170
111391220,0ptp4l0-21swapper/010:26:000
111391220,0ptp4l0-21swapper/010:10:190
111391220,0ptp4l0-21swapper/010:05:210
111391220,0ptp4l0-21swapper/010:00:310
111391220,0ptp4l0-21swapper/009:50:130
111391220,0ptp4l0-21swapper/009:25:170
111391220,0ptp4l0-21swapper/009:10:120
111391220,0ptp4l0-21swapper/008:50:120
111391220,0ptp4l0-21swapper/008:45:210
111391220,0ptp4l0-21swapper/008:40:160
111391220,0ptp4l0-21swapper/008:40:160
111391220,0ptp4l0-21swapper/008:15:130
111391220,0ptp4l0-21swapper/008:10:110
111391220,0ptp4l0-21swapper/008:01:010
111391220,0ptp4l0-21swapper/007:30:150
111391220,0ptp4l0-21swapper/007:20:130
111391210,2ptp4l0-21swapper/109:21:061
111391210,0ptp4l0-21swapper/711:14:247
111391210,0ptp4l0-21swapper/612:06:366
111391210,0ptp4l0-21swapper/612:01:236
111391210,0ptp4l0-21swapper/610:50:216
111391210,0ptp4l0-21swapper/610:27:326
111391210,0ptp4l0-21swapper/512:28:345
111391210,0ptp4l0-21swapper/511:56:475
111391210,0ptp4l0-21swapper/511:16:545
111391210,0ptp4l0-21swapper/511:16:545
111391210,0ptp4l0-21swapper/511:04:085
111391210,0ptp4l0-21swapper/510:51:385
111391210,0ptp4l0-21swapper/510:39:205
111391210,0ptp4l0-21swapper/509:36:035
111391210,0ptp4l0-21swapper/508:51:335
111391210,0ptp4l0-21swapper/508:32:215
111391210,0ptp4l0-21swapper/507:59:295
111391210,0ptp4l0-21swapper/507:27:055
111391210,0ptp4l0-21swapper/407:14:184
111391210,0ptp4l0-21swapper/311:29:393
111391210,0ptp4l0-21swapper/309:17:133
111391210,0ptp4l0-21swapper/212:35:362
111391210,0ptp4l0-21swapper/212:01:202
111391210,0ptp4l0-21swapper/211:24:252
111391210,0ptp4l0-21swapper/211:15:422
111391210,0ptp4l0-21swapper/211:15:422
111391210,0ptp4l0-21swapper/211:09:492
111391210,0ptp4l0-21swapper/210:35:052
111391210,0ptp4l0-21swapper/210:15:422
111391210,0ptp4l0-21swapper/209:32:082
111391210,0ptp4l0-21swapper/209:26:582
111391210,0ptp4l0-21swapper/112:32:311
111391210,0ptp4l0-21swapper/110:20:191
111391210,0ptp4l0-21swapper/110:10:021
111391210,0ptp4l0-21swapper/108:10:201
111391210,0ptp4l0-21swapper/011:45:030
111391210,0ptp4l0-21swapper/011:25:150
111391210,0ptp4l0-21swapper/011:23:160
111391210,0ptp4l0-21swapper/010:43:270
111391210,0ptp4l0-21swapper/008:35:120
111391200,0ptp4l0-21swapper/712:36:397
111391200,0ptp4l0-21swapper/611:44:046
111391200,0ptp4l0-21swapper/611:28:216
111391200,0ptp4l0-21swapper/611:09:476
111391200,0ptp4l0-21swapper/610:32:226
111391200,0ptp4l0-21swapper/610:02:026
111391200,0ptp4l0-21swapper/609:06:326
111391200,0ptp4l0-21swapper/508:44:335
111391200,0ptp4l0-21swapper/508:44:335
111391200,0ptp4l0-21swapper/508:23:325
111391200,0ptp4l0-21swapper/508:18:325
111391200,0ptp4l0-21swapper/212:24:052
111391200,0ptp4l0-21swapper/212:06:332
111391200,0ptp4l0-21swapper/211:59:352
111391200,0ptp4l0-21swapper/211:28:302
111391200,0ptp4l0-21swapper/209:16:512
111391200,0ptp4l0-21swapper/207:54:352
111391200,0ptp4l0-21swapper/110:15:441
111391200,0ptp4l0-21swapper/008:27:320
111391200,0ptp4l0-21swapper/007:11:310
111391190,2ptp4l0-21swapper/108:53:341
111391190,0ptp4l0-21swapper/607:51:146
111391190,0ptp4l0-21swapper/508:08:035
111391190,0ptp4l0-21swapper/408:39:054
111391190,0ptp4l0-21swapper/407:47:034
111391190,0ptp4l0-21swapper/210:32:252
111391190,0ptp4l0-21swapper/210:27:342
111391190,0ptp4l0-21swapper/208:45:492
111391190,0ptp4l0-21swapper/207:21:022
111391190,0ptp4l0-21swapper/108:44:041
111391190,0ptp4l0-21swapper/108:44:041
111391190,0ptp4l0-21swapper/108:33:031
111391190,0ptp4l0-21swapper/108:24:331
111391190,0ptp4l0-21swapper/107:39:311
111391180,0ptp4l0-21swapper/611:59:386
111391180,0ptp4l0-21swapper/610:36:376
111391180,0ptp4l0-21swapper/610:10:316
111391180,0ptp4l0-21swapper/609:16:506
111391180,0ptp4l0-21swapper/511:43:075
111391180,0ptp4l0-21swapper/309:21:093
111391180,0ptp4l0-21swapper/212:32:102
111391170,0ptp4l0-21swapper/711:29:377
111391170,0ptp4l0-21swapper/608:42:536
111391170,0ptp4l0-21swapper/608:42:526
111391170,0ptp4l0-21swapper/210:50:232
111391170,0ptp4l0-21swapper/108:47:111
111391170,0ptp4l0-21swapper/009:07:570
111391160,0ptp4l0-21swapper/612:35:336
111391160,0ptp4l0-21swapper/610:15:406
111391160,0ptp4l0-21swapper/609:27:016
111391160,0ptp4l0-21swapper/109:02:301
111391160,0ptp4l0-21swapper/108:36:111
111391160,0ptp4l0-21swapper/107:26:411
111391160,0ptp4l0-21swapper/007:46:470
59999150,1cyclictest10670-21fw_conntrack08:40:157
59999150,1cyclictest10670-21fw_conntrack08:40:147
562991513,1cyclictest0-21swapper/209:50:122
111391150,0ptp4l0-21swapper/707:51:247
111391150,0ptp4l0-21swapper/612:32:126
111391150,0ptp4l0-21swapper/611:30:516
111391150,0ptp4l0-21swapper/608:45:456
111391150,0ptp4l0-21swapper/608:31:436
111391150,0ptp4l0-21swapper/607:47:296
111391150,0ptp4l0-21swapper/607:36:406
111391150,0ptp4l0-21swapper/607:21:046
111391150,0ptp4l0-21swapper/509:03:165
111391150,0ptp4l0-21swapper/508:46:205
111391150,0ptp4l0-21swapper/508:36:165
111391150,0ptp4l0-21swapper/507:40:595
111391150,0ptp4l0-21swapper/507:17:305
111391150,0ptp4l0-21swapper/307:51:203
111391150,0ptp4l0-21swapper/210:10:362
111391150,0ptp4l0-21swapper/209:06:152
111391150,0ptp4l0-21swapper/208:42:522
111391150,0ptp4l0-21swapper/208:42:522
111391150,0ptp4l0-21swapper/208:31:352
111391150,0ptp4l0-21swapper/208:13:362
111391150,0ptp4l0-21swapper/107:21:141
111391150,0ptp4l0-21swapper/107:17:071
111391140,0ptp4l0-21swapper/609:56:336
111391140,0ptp4l0-21swapper/608:13:346
111391140,0ptp4l0-21swapper/507:21:155
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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