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2026-01-10 - 18:00

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 Jan 10, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2232527140,17sleep70-21swapper/707:07:547
111391620,31ptp4l0-21swapper/007:08:210
111391620,28ptp4l0-21swapper/107:09:331
2249526050,6sleep20-21swapper/207:09:582
111391600,5ptp4l0-21swapper/507:05:595
111391600,5ptp4l0-21swapper/407:09:034
173862560,0sleep60-21swapper/610:40:196
2217725533,7sleep30-21swapper/307:05:573
2085025432,7sleep60-21swapper/607:05:136
111391320,1ptp4l0-21swapper/512:00:115
111391310,0ptp4l0-21swapper/509:21:135
111391310,0ptp4l0-21swapper/509:10:135
111391310,0ptp4l0-21swapper/411:08:184
111391310,0ptp4l0-21swapper/409:14:374
111391300,0ptp4l0-21swapper/511:58:485
111391300,0ptp4l0-21swapper/511:48:515
111391300,0ptp4l0-21swapper/510:01:425
111391300,0ptp4l0-21swapper/509:42:145
111391300,0ptp4l0-21swapper/412:09:134
111391300,0ptp4l0-21swapper/410:55:014
111391300,0ptp4l0-21swapper/410:34:114
111391300,0ptp4l0-21swapper/410:05:064
111391290,0ptp4l0-21swapper/410:27:084
111391290,0ptp4l0-21swapper/407:50:174
111391290,0ptp4l0-21swapper/012:17:290
111391290,0ptp4l0-21swapper/012:09:260
111391290,0ptp4l0-21swapper/011:42:570
111391290,0ptp4l0-21swapper/011:38:340
111391290,0ptp4l0-21swapper/011:21:530
111391280,1ptp4l0-21swapper/509:58:015
111391280,0ptp4l0-21swapper/609:22:306
111391280,0ptp4l0-21swapper/511:14:485
111391280,0ptp4l0-21swapper/412:31:274
111391280,0ptp4l0-21swapper/412:18:494
111391280,0ptp4l0-21swapper/409:29:314
111391280,0ptp4l0-21swapper/309:26:393
111391280,0ptp4l0-21swapper/111:10:371
111391280,0ptp4l0-21swapper/109:55:161
111391280,0ptp4l0-21swapper/012:10:300
111391280,0ptp4l0-21swapper/011:53:490
111391280,0ptp4l0-21swapper/011:47:310
111391280,0ptp4l0-21swapper/010:36:130
111391280,0ptp4l0-21swapper/009:38:050
111391270,2ptp4l0-21swapper/412:10:174
111391270,0ptp4l0-21swapper/411:21:404
111391270,0ptp4l0-21swapper/409:17:444
111391270,0ptp4l0-21swapper/310:57:553
111391270,0ptp4l0-21swapper/209:14:132
111391270,0ptp4l0-21swapper/111:23:021
111391270,0ptp4l0-21swapper/111:10:011
111391270,0ptp4l0-21swapper/110:38:021
111391270,0ptp4l0-21swapper/012:21:390
111391270,0ptp4l0-21swapper/011:29:290
111391270,0ptp4l0-21swapper/011:02:280
111391270,0ptp4l0-21swapper/009:18:540
111391260,4ptp4l13638-21diskmemload09:30:354
111391260,1ptp4l6869-21ssh09:42:521
111391260,1ptp4l13638-21diskmemload09:20:171
111391260,0ptp4l13638-21diskmemload12:30:351
111391260,0ptp4l0-21swapper/512:07:285
111391260,0ptp4l0-21swapper/510:43:025
111391260,0ptp4l0-21swapper/412:28:314
111391260,0ptp4l0-21swapper/412:02:114
111391260,0ptp4l0-21swapper/411:50:404
111391260,0ptp4l0-21swapper/411:17:114
111391260,0ptp4l0-21swapper/410:53:044
111391260,0ptp4l0-21swapper/310:22:483
111391260,0ptp4l0-21swapper/310:22:483
111391260,0ptp4l0-21swapper/112:29:501
111391260,0ptp4l0-21swapper/109:51:351
111391260,0ptp4l0-21swapper/109:11:531
111391260,0ptp4l0-21swapper/011:59:260
111391260,0ptp4l0-21swapper/011:31:460
111391260,0ptp4l0-21swapper/011:19:530
111391260,0ptp4l0-21swapper/011:06:390
111391260,0ptp4l0-21swapper/010:54:220
111391260,0ptp4l0-21swapper/009:27:230
111391250,2ptp4l0-21swapper/310:07:473
111391250,1ptp4l656-21hddtemp_smartct12:30:150
111391250,1ptp4l32162-21fw_conntrack11:45:114
111391250,1ptp4l16262-21/usr/sbin/munin10:40:194
111391250,0ptp4l18200-21ssh09:58:254
111391250,0ptp4l0-21swapper/710:00:147
111391250,0ptp4l0-21swapper/411:39:064
111391250,0ptp4l0-21swapper/411:33:554
111391250,0ptp4l0-21swapper/409:38:264
111391250,0ptp4l0-21swapper/409:22:394
111391250,0ptp4l0-21swapper/112:08:081
111391250,0ptp4l0-21swapper/111:48:291
111391250,0ptp4l0-21swapper/110:13:001
111391250,0ptp4l0-21swapper/109:33:221
111391250,0ptp4l0-21swapper/012:40:000
111391250,0ptp4l0-21swapper/012:25:170
111391250,0ptp4l0-21swapper/011:14:350
111391250,0ptp4l0-21swapper/010:58:580
111391250,0ptp4l0-21swapper/010:30:130
111391250,0ptp4l0-21swapper/010:17:000
111391250,0ptp4l0-21swapper/010:02:150
111391250,0ptp4l0-21swapper/009:12:430
111391250,0ptp4l0-21swapper/007:15:170
111391250,0ptp4l0-21swapper/007:10:180
111391240,7ptp4l0-21swapper/507:34:305
111391240,2ptp4l481ktimersoftd/410:23:004
111391240,2ptp4l481ktimersoftd/410:22:594
111391240,1ptp4l32264-21sensors11:00:195
111391240,1ptp4l29297-21ptp4l-jitter11:40:181
111391240,1ptp4l28766-21irqrtprio07:20:140
111391240,1ptp4l27946-21cat08:30:010
111391240,1ptp4l22647-21latency_hist10:05:004
111391240,1ptp4l21393-21latency_hist09:20:005
111391240,1ptp4l13638-21diskmemload10:45:151
111391240,0ptp4l0-21swapper/510:46:055
111391240,0ptp4l0-21swapper/509:48:345
111391240,0ptp4l0-21swapper/509:06:485
111391240,0ptp4l0-21swapper/411:55:144
111391240,0ptp4l0-21swapper/411:41:174
111391240,0ptp4l0-21swapper/411:02:584
111391240,0ptp4l0-21swapper/408:25:014
111391240,0ptp4l0-21swapper/408:05:104
111391240,0ptp4l0-21swapper/009:32:590
111391240,0ptp4l0-21swapper/008:10:170
111391240,0ptp4l0-21swapper/007:35:110
111391240,0ptp4l0-21swapper/007:30:120
111391230,1ptp4l57-21ksoftirqd/509:54:545
111391230,1ptp4l49-21ksoftirqd/410:18:494
111391230,1ptp4l30558-21forks08:35:124
111391230,1ptp4l3026-21ssh09:37:221
111391230,1ptp4l23168-21date08:20:005
111391230,0ptp4l8022-21strings08:55:150
111391230,0ptp4l0-21swapper/707:25:137
111391230,0ptp4l0-21swapper/610:33:056
111391230,0ptp4l0-21swapper/512:36:175
111391230,0ptp4l0-21swapper/512:33:345
111391230,0ptp4l0-21swapper/512:19:555
111391230,0ptp4l0-21swapper/511:40:205
111391230,0ptp4l0-21swapper/511:35:145
111391230,0ptp4l0-21swapper/510:25:115
111391230,0ptp4l0-21swapper/508:59:505
111391230,0ptp4l0-21swapper/508:00:195
111391230,0ptp4l0-21swapper/507:45:135
111391230,0ptp4l0-21swapper/412:20:124
111391230,0ptp4l0-21swapper/411:25:134
111391230,0ptp4l0-21swapper/411:12:034
111391230,0ptp4l0-21swapper/410:35:144
111391230,0ptp4l0-21swapper/410:10:144
111391230,0ptp4l0-21swapper/408:50:174
111391230,0ptp4l0-21swapper/408:40:224
111391230,0ptp4l0-21swapper/408:30:124
111391230,0ptp4l0-21swapper/408:10:104
111391230,0ptp4l0-21swapper/407:30:164
111391230,0ptp4l0-21swapper/407:20:134
111391230,0ptp4l0-21swapper/311:18:143
111391230,0ptp4l0-21swapper/211:23:512
111391230,0ptp4l0-21swapper/112:00:111
111391230,0ptp4l0-21swapper/111:35:111
111391230,0ptp4l0-21swapper/109:47:421
111391230,0ptp4l0-21swapper/108:38:511
111391230,0ptp4l0-21swapper/108:20:001
111391230,0ptp4l0-21swapper/010:40:150
111391230,0ptp4l0-21swapper/010:24:050
111391230,0ptp4l0-21swapper/010:24:050
111391230,0ptp4l0-21swapper/010:10:130
111391230,0ptp4l0-21swapper/009:25:000
111391230,0ptp4l0-21swapper/008:30:130
111391230,0ptp4l0-21swapper/008:05:110
111391230,0ptp4l0-21swapper/007:55:110
111391220,4ptp4l0-21swapper/508:48:385
111391220,1ptp4l5634-21if_enp0s2510:25:121
111391220,0ptp4l0-21swapper/710:57:107
111391220,0ptp4l0-21swapper/710:20:127
111391220,0ptp4l0-21swapper/710:20:117
111391220,0ptp4l0-21swapper/709:59:567
111391220,0ptp4l0-21swapper/709:26:177
111391220,0ptp4l0-21swapper/612:22:316
111391220,0ptp4l0-21swapper/511:53:255
111391220,0ptp4l0-21swapper/511:26:375
111391220,0ptp4l0-21swapper/511:16:375
111391220,0ptp4l0-21swapper/511:05:085
111391220,0ptp4l0-21swapper/510:38:375
111391220,0ptp4l0-21swapper/510:15:015
111391220,0ptp4l0-21swapper/509:36:445
111391220,0ptp4l0-21swapper/509:29:195
111391220,0ptp4l0-21swapper/509:02:585
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/507:55:115
111391220,0ptp4l0-21swapper/507:27:535
111391220,0ptp4l0-21swapper/412:35:214
111391220,0ptp4l0-21swapper/409:50:124
111391220,0ptp4l0-21swapper/409:45:184
111391220,0ptp4l0-21swapper/409:44:084
111391220,0ptp4l0-21swapper/409:05:174
111391220,0ptp4l0-21swapper/408:55:124
111391220,0ptp4l0-21swapper/408:25:134
111391220,0ptp4l0-21swapper/408:15:134
111391220,0ptp4l0-21swapper/407:55:174
111391220,0ptp4l0-21swapper/407:45:204
111391220,0ptp4l0-21swapper/407:40:104
111391220,0ptp4l0-21swapper/407:40:104
111391220,0ptp4l0-21swapper/407:35:134
111391220,0ptp4l0-21swapper/407:15:144
111391220,0ptp4l0-21swapper/407:10:014
111391220,0ptp4l0-21swapper/310:20:013
111391220,0ptp4l0-21swapper/310:00:013
111391220,0ptp4l0-21swapper/309:11:033
111391220,0ptp4l0-21swapper/307:25:123
111391220,0ptp4l0-21swapper/307:24:443
111391220,0ptp4l0-21swapper/112:23:331
111391220,0ptp4l0-21swapper/112:19:111
111391220,0ptp4l0-21swapper/112:13:291
111391220,0ptp4l0-21swapper/111:55:511
111391220,0ptp4l0-21swapper/111:34:591
111391220,0ptp4l0-21swapper/111:16:331
111391220,0ptp4l0-21swapper/111:00:181
111391220,0ptp4l0-21swapper/110:44:291
111391220,0ptp4l0-21swapper/110:24:571
111391220,0ptp4l0-21swapper/110:24:571
111391220,0ptp4l0-21swapper/110:15:131
111391220,0ptp4l0-21swapper/110:05:171
111391220,0ptp4l0-21swapper/109:15:151
111391220,0ptp4l0-21swapper/109:05:001
111391220,0ptp4l0-21swapper/109:00:161
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:20:011
111391220,0ptp4l0-21swapper/108:00:131
111391220,0ptp4l0-21swapper/107:55:101
111391220,0ptp4l0-21swapper/107:51:021
111391220,0ptp4l0-21swapper/107:45:131
111391220,0ptp4l0-21swapper/107:40:031
111391220,0ptp4l0-21swapper/107:40:031
111391220,0ptp4l0-21swapper/107:37:161
111391220,0ptp4l0-21swapper/107:10:131
111391220,0ptp4l0-21swapper/012:01:250
111391220,0ptp4l0-21swapper/010:45:190
111391220,0ptp4l0-21swapper/010:27:390
111391220,0ptp4l0-21swapper/010:05:140
111391220,0ptp4l0-21swapper/009:58:320
111391220,0ptp4l0-21swapper/009:50:160
111391220,0ptp4l0-21swapper/009:49:090
111391220,0ptp4l0-21swapper/009:40:360
111391220,0ptp4l0-21swapper/009:00:200
111391220,0ptp4l0-21swapper/008:40:190
111391220,0ptp4l0-21swapper/008:35:180
111391220,0ptp4l0-21swapper/008:20:180
111391220,0ptp4l0-21swapper/008:15:010
111391220,0ptp4l0-21swapper/007:50:010
111391220,0ptp4l0-21swapper/007:45:200
111391220,0ptp4l0-21swapper/007:40:140
111391220,0ptp4l0-21swapper/007:40:130
111391210,0ptp4l16283-21ssh11:23:476
111391210,0ptp4l0-21swapper/710:08:027
111391210,0ptp4l0-21swapper/709:11:057
111391210,0ptp4l0-21swapper/609:58:216
111391210,0ptp4l0-21swapper/512:27:545
111391210,0ptp4l0-21swapper/512:23:395
111391210,0ptp4l0-21swapper/512:11:575
111391210,0ptp4l0-21swapper/511:23:225
111391210,0ptp4l0-21swapper/510:19:025
111391210,0ptp4l0-21swapper/509:31:355
111391210,0ptp4l0-21swapper/507:40:015
111391210,0ptp4l0-21swapper/507:40:005
111391210,0ptp4l0-21swapper/507:39:435
111391210,0ptp4l0-21swapper/507:10:125
111391210,0ptp4l0-21swapper/410:45:384
111391210,0ptp4l0-21swapper/409:01:524
111391210,0ptp4l0-21swapper/309:59:463
111391210,0ptp4l0-21swapper/212:10:042
111391210,0ptp4l0-21swapper/211:52:592
111391210,0ptp4l0-21swapper/211:08:562
111391210,0ptp4l0-21swapper/210:33:042
111391210,0ptp4l0-21swapper/209:22:132
111391210,0ptp4l0-21swapper/208:34:362
111391210,0ptp4l0-21swapper/112:35:191
111391210,0ptp4l0-21swapper/111:26:391
111391210,0ptp4l0-21swapper/110:53:561
111391210,0ptp4l0-21swapper/110:01:321
111391210,0ptp4l0-21swapper/109:27:541
111391210,0ptp4l0-21swapper/108:49:081
111391210,0ptp4l0-21swapper/108:40:141
111391210,0ptp4l0-21swapper/107:28:151
111391210,0ptp4l0-21swapper/009:05:160
111391210,0ptp4l0-21swapper/008:45:200
111391200,0ptp4l13638-21diskmemload11:18:277
111391200,0ptp4l0-21swapper/710:19:577
111391200,0ptp4l0-21swapper/708:43:547
111391200,0ptp4l0-21swapper/707:24:537
111391200,0ptp4l0-21swapper/611:59:156
111391200,0ptp4l0-21swapper/611:11:056
111391200,0ptp4l0-21swapper/609:14:106
111391200,0ptp4l0-21swapper/511:31:435
111391200,0ptp4l0-21swapper/510:50:025
111391200,0ptp4l0-21swapper/510:32:175
111391200,0ptp4l0-21swapper/508:50:065
111391200,0ptp4l0-21swapper/210:12:492
111391200,0ptp4l0-21swapper/111:52:071
111391200,0ptp4l0-21swapper/110:32:141
111391200,0ptp4l0-21swapper/008:53:480
13512190,0sleep70-21swapper/712:30:187
111391190,0ptp4l0-21swapper/710:52:107
111391190,0ptp4l0-21swapper/507:23:055
111391190,0ptp4l0-21swapper/310:52:113
111391190,0ptp4l0-21swapper/307:54:153
111391190,0ptp4l0-21swapper/307:10:553
111391190,0ptp4l0-21swapper/212:28:332
111391190,0ptp4l0-21swapper/211:12:482
111391190,0ptp4l0-21swapper/209:58:202
111391190,0ptp4l0-21swapper/108:58:551
111391190,0ptp4l0-21swapper/107:16:021
111391190,0ptp4l0-21swapper/008:01:110
111391190,0ptp4l0-21swapper/007:29:530
111391180,0ptp4l0-21swapper/611:18:516
111391180,0ptp4l0-21swapper/510:24:595
111391180,0ptp4l0-21swapper/510:24:595
111391180,0ptp4l0-21swapper/212:24:502
111391180,0ptp4l0-21swapper/212:17:552
111391180,0ptp4l0-21swapper/211:59:122
111391180,0ptp4l0-21swapper/210:41:432
111391180,0ptp4l0-21swapper/210:24:302
111391180,0ptp4l0-21swapper/210:24:302
111391180,0ptp4l0-21swapper/209:50:592
111391170,0ptp4l561ktimersoftd/507:51:555
111391170,0ptp4l0-21swapper/612:17:556
111391170,0ptp4l0-21swapper/611:53:006
111391170,0ptp4l0-21swapper/610:24:316
111391170,0ptp4l0-21swapper/610:24:316
111391170,0ptp4l0-21swapper/408:45:204
111391170,0ptp4l0-21swapper/408:02:434
111391170,0ptp4l0-21swapper/110:56:351
111391170,0ptp4l0-21swapper/107:22:191
111391160,1ptp4l65-21ksoftirqd/608:34:416
111391160,1ptp4l24997-21runrttasks08:21:115
111391160,0ptp4l0-21swapper/608:35:426
111391160,0ptp4l0-21swapper/510:05:315
111391160,0ptp4l0-21swapper/508:11:515
111391160,0ptp4l0-21swapper/407:29:194
111391160,0ptp4l0-21swapper/209:18:432
111391160,0ptp4l0-21swapper/207:29:562
111391150,0ptp4l0-21swapper/708:57:087
111391150,0ptp4l0-21swapper/708:03:237
111391150,0ptp4l0-21swapper/707:53:357
111391150,0ptp4l0-21swapper/707:10:577
111391150,0ptp4l0-21swapper/612:28:346
111391150,0ptp4l0-21swapper/611:08:546
111391150,0ptp4l0-21swapper/609:51:256
111391150,0ptp4l0-21swapper/608:57:126
111391150,0ptp4l0-21swapper/608:45:546
111391150,0ptp4l0-21swapper/608:26:286
111391150,0ptp4l0-21swapper/607:58:026
111391150,0ptp4l0-21swapper/607:50:056
111391150,0ptp4l0-21swapper/607:41:536
111391150,0ptp4l0-21swapper/607:41:526
111391150,0ptp4l0-21swapper/607:36:546
111391150,0ptp4l0-21swapper/607:31:206
111391150,0ptp4l0-21swapper/607:18:056
111391150,0ptp4l0-21swapper/510:56:345
111391150,0ptp4l0-21swapper/508:37:225
111391150,0ptp4l0-21swapper/507:16:065
111391150,0ptp4l0-21swapper/308:57:073
111391150,0ptp4l0-21swapper/308:43:423
111391150,0ptp4l0-21swapper/211:15:582
111391150,0ptp4l0-21swapper/209:01:202
111391150,0ptp4l0-21swapper/208:45:532
111391150,0ptp4l0-21swapper/208:35:322
111391150,0ptp4l0-21swapper/208:26:262
111391150,0ptp4l0-21swapper/207:41:532
111391150,0ptp4l0-21swapper/207:41:522
111391150,0ptp4l0-21swapper/207:35:342
111391150,0ptp4l0-21swapper/108:30:011
111391150,0ptp4l0-21swapper/108:25:301
111391150,0ptp4l0-21swapper/108:11:091
111391150,0ptp4l0-21swapper/107:30:411
111391140,0ptp4l0-21swapper/708:37:437
111391140,0ptp4l0-21swapper/609:09:216
111391140,0ptp4l0-21swapper/609:01:216
111391140,0ptp4l0-21swapper/608:22:086
111391140,0ptp4l0-21swapper/607:29:586
111391140,0ptp4l0-21swapper/607:23:116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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