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2026-08-15 - 20:18

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 Aug 15, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,29ptp4l0-21swapper/107:05:141
152422660,1sleep5551rcuc/508:15:155
303142650,0sleep00-21swapper/011:57:530
170782620,0sleep00-21swapper/009:21:000
111391610,5ptp4l0-21swapper/407:05:104
305702600,0sleep50-21swapper/509:40:205
1623125949,6sleep70-21swapper/707:07:507
299432580,0sleep60-21swapper/610:25:166
111391580,5ptp4l0-21swapper/507:06:365
1881915635,7phc2sys0-21swapper/007:05:540
1615425332,7sleep30-21swapper/307:06:503
1607125231,6sleep20-21swapper/207:05:432
1631224939,6sleep60-21swapper/607:08:536
111391380,0ptp4l0-21swapper/412:20:154
111391340,0ptp4l0-21swapper/412:35:134
111391330,2ptp4l0-21swapper/407:45:174
111391330,0ptp4l0-21swapper/012:05:190
111391320,3ptp4l0-21swapper/010:30:330
111391320,1ptp4l21127-21ssh10:13:594
111391310,0ptp4l0-21swapper/410:08:434
111391310,0ptp4l0-21swapper/011:13:360
111391310,0ptp4l0-21swapper/009:16:050
111391300,0ptp4l0-21swapper/510:21:415
111391300,0ptp4l0-21swapper/411:10:214
111391300,0ptp4l0-21swapper/410:50:144
111391300,0ptp4l0-21swapper/409:37:274
111391300,0ptp4l0-21swapper/112:34:021
111391300,0ptp4l0-21swapper/111:34:551
111391300,0ptp4l0-21swapper/110:10:111
111391300,0ptp4l0-21swapper/108:35:121
111391300,0ptp4l0-21swapper/012:30:200
111391300,0ptp4l0-21swapper/010:10:200
111391290,2ptp4l0-21swapper/007:45:010
111391290,0ptp4l0-21swapper/510:56:445
111391290,0ptp4l0-21swapper/509:16:155
111391290,0ptp4l0-21swapper/412:29:334
111391290,0ptp4l0-21swapper/412:06:134
111391290,0ptp4l0-21swapper/011:30:530
111391290,0ptp4l0-21swapper/010:52:070
111391290,0ptp4l0-21swapper/009:33:420
10402290,0sleep60-21swapper/608:55:116
111391280,0ptp4l0-21swapper/510:05:175
111391280,0ptp4l0-21swapper/411:33:094
111391280,0ptp4l0-21swapper/409:50:594
111391280,0ptp4l0-21swapper/409:33:344
111391280,0ptp4l0-21swapper/409:11:404
111391280,0ptp4l0-21swapper/409:00:134
111391280,0ptp4l0-21swapper/111:38:351
111391280,0ptp4l0-21swapper/111:21:181
111391280,0ptp4l0-21swapper/111:21:181
111391280,0ptp4l0-21swapper/109:35:461
111391280,0ptp4l0-21swapper/012:35:410
111391280,0ptp4l0-21swapper/012:23:080
111391280,0ptp4l0-21swapper/011:48:000
111391280,0ptp4l0-21swapper/010:37:430
111391270,0ptp4l0-21swapper/412:33:474
111391270,0ptp4l0-21swapper/412:12:364
111391270,0ptp4l0-21swapper/411:44:474
111391270,0ptp4l0-21swapper/411:39:074
111391270,0ptp4l0-21swapper/111:40:301
111391270,0ptp4l0-21swapper/111:28:311
111391270,0ptp4l0-21swapper/011:54:470
111391270,0ptp4l0-21swapper/009:50:020
111391260,2ptp4l0-21swapper/011:07:270
111391260,2ptp4l0-21swapper/010:47:110
111391260,1ptp4l0-21swapper/511:44:065
111391260,0ptp4l0-21swapper/711:35:147
111391260,0ptp4l0-21swapper/709:15:437
111391260,0ptp4l0-21swapper/510:15:595
111391260,0ptp4l0-21swapper/507:50:135
111391260,0ptp4l0-21swapper/507:30:115
111391260,0ptp4l0-21swapper/410:42:554
111391260,0ptp4l0-21swapper/408:55:174
111391260,0ptp4l0-21swapper/111:05:121
111391260,0ptp4l0-21swapper/110:26:141
111391260,0ptp4l0-21swapper/011:02:560
111391260,0ptp4l0-21swapper/010:06:390
111391260,0ptp4l0-21swapper/009:13:550
111391250,1ptp4l32227-21diskstats11:15:124
111391250,0ptp4l0-21swapper/710:54:147
111391250,0ptp4l0-21swapper/512:28:295
111391250,0ptp4l0-21swapper/412:15:144
111391250,0ptp4l0-21swapper/411:50:394
111391250,0ptp4l0-21swapper/410:38:304
111391250,0ptp4l0-21swapper/410:26:094
111391250,0ptp4l0-21swapper/409:43:024
111391250,0ptp4l0-21swapper/407:40:164
111391250,0ptp4l0-21swapper/407:15:004
111391250,0ptp4l0-21swapper/012:00:250
111391250,0ptp4l0-21swapper/011:43:520
111391250,0ptp4l0-21swapper/011:19:320
111391240,2ptp4l101ktimersoftd/012:26:030
111391240,1ptp4l727-21irqbalance09:10:175
111391240,1ptp4l49-21ksoftirqd/408:15:204
111391240,1ptp4l25446-21sensors07:25:201
111391240,1ptp4l25231-21date10:20:000
111391240,1ptp4l18757-21ssh10:10:125
111391240,1ptp4l12556-21find10:00:231
111391240,1ptp4l10412-21/usr/sbin/munin08:05:125
111391240,0ptp4l0-21swapper/510:00:205
111391240,0ptp4l0-21swapper/509:35:475
111391240,0ptp4l0-21swapper/509:20:115
111391240,0ptp4l0-21swapper/508:30:205
111391240,0ptp4l0-21swapper/508:20:215
111391240,0ptp4l0-21swapper/507:25:175
111391240,0ptp4l0-21swapper/412:00:204
111391240,0ptp4l0-21swapper/411:56:394
111391240,0ptp4l0-21swapper/411:25:104
111391240,0ptp4l0-21swapper/410:30:554
111391240,0ptp4l0-21swapper/409:56:184
111391240,0ptp4l0-21swapper/408:45:214
111391240,0ptp4l0-21swapper/407:35:004
111391240,0ptp4l0-21swapper/209:44:362
111391240,0ptp4l0-21swapper/111:57:321
111391240,0ptp4l0-21swapper/110:24:051
111391240,0ptp4l0-21swapper/110:05:181
111391240,0ptp4l0-21swapper/109:57:501
111391240,0ptp4l0-21swapper/109:40:131
111391240,0ptp4l0-21swapper/109:26:071
111391240,0ptp4l0-21swapper/108:50:141
111391240,0ptp4l0-21swapper/107:50:151
111391240,0ptp4l0-21swapper/107:20:211
111391240,0ptp4l0-21swapper/012:16:450
111391240,0ptp4l0-21swapper/012:10:180
111391240,0ptp4l0-21swapper/011:36:270
111391240,0ptp4l0-21swapper/011:25:230
111391240,0ptp4l0-21swapper/010:28:130
111391240,0ptp4l0-21swapper/009:36:070
111391240,0ptp4l0-21swapper/008:05:120
111391230,1ptp4l11569-21find09:15:114
111391230,1ptp4l1061-21snmpd10:46:525
111391230,1ptp4l10101-21cat08:05:005
111391230,0ptp4l17788-21strings12:25:161
111391230,0ptp4l0-21swapper/611:20:236
111391230,0ptp4l0-21swapper/611:20:226
111391230,0ptp4l0-21swapper/609:15:136
111391230,0ptp4l0-21swapper/511:30:195
111391230,0ptp4l0-21swapper/511:28:085
111391230,0ptp4l0-21swapper/511:05:015
111391230,0ptp4l0-21swapper/510:35:205
111391230,0ptp4l0-21swapper/509:55:125
111391230,0ptp4l0-21swapper/509:45:445
111391230,0ptp4l0-21swapper/509:30:135
111391230,0ptp4l0-21swapper/508:50:005
111391230,0ptp4l0-21swapper/508:35:125
111391230,0ptp4l0-21swapper/508:10:155
111391230,0ptp4l0-21swapper/507:10:195
111391230,0ptp4l0-21swapper/411:45:224
111391230,0ptp4l0-21swapper/411:06:514
111391230,0ptp4l0-21swapper/411:00:134
111391230,0ptp4l0-21swapper/410:55:114
111391230,0ptp4l0-21swapper/410:45:204
111391230,0ptp4l0-21swapper/410:15:204
111391230,0ptp4l0-21swapper/410:02:064
111391230,0ptp4l0-21swapper/409:45:144
111391230,0ptp4l0-21swapper/409:25:124
111391230,0ptp4l0-21swapper/409:23:184
111391230,0ptp4l0-21swapper/408:40:154
111391230,0ptp4l0-21swapper/408:40:144
111391230,0ptp4l0-21swapper/408:00:114
111391230,0ptp4l0-21swapper/407:55:124
111391230,0ptp4l0-21swapper/407:25:124
111391230,0ptp4l0-21swapper/311:35:203
111391230,0ptp4l0-21swapper/309:48:283
111391230,0ptp4l0-21swapper/207:35:132
111391230,0ptp4l0-21swapper/112:23:051
111391230,0ptp4l0-21swapper/112:19:191
111391230,0ptp4l0-21swapper/112:02:131
111391230,0ptp4l0-21swapper/111:00:171
111391230,0ptp4l0-21swapper/110:58:161
111391230,0ptp4l0-21swapper/110:40:161
111391230,0ptp4l0-21swapper/110:35:201
111391230,0ptp4l0-21swapper/110:15:131
111391230,0ptp4l0-21swapper/109:30:201
111391230,0ptp4l0-21swapper/109:20:121
111391230,0ptp4l0-21swapper/109:17:501
111391230,0ptp4l0-21swapper/109:10:151
111391230,0ptp4l0-21swapper/109:00:161
111391230,0ptp4l0-21swapper/108:30:161
111391230,0ptp4l0-21swapper/108:20:131
111391230,0ptp4l0-21swapper/107:30:151
111391230,0ptp4l0-21swapper/107:15:131
111391230,0ptp4l0-21swapper/107:10:171
111391230,0ptp4l0-21swapper/011:20:130
111391230,0ptp4l0-21swapper/011:20:130
111391230,0ptp4l0-21swapper/010:40:090
111391230,0ptp4l0-21swapper/010:20:040
111391230,0ptp4l0-21swapper/009:45:150
111391230,0ptp4l0-21swapper/009:42:260
111391230,0ptp4l0-21swapper/009:29:120
111391230,0ptp4l0-21swapper/009:05:150
111391230,0ptp4l0-21swapper/009:00:150
111391230,0ptp4l0-21swapper/008:55:120
111391230,0ptp4l0-21swapper/008:41:100
111391230,0ptp4l0-21swapper/008:41:100
111391230,0ptp4l0-21swapper/008:15:010
111391230,0ptp4l0-21swapper/008:00:160
111391230,0ptp4l0-21swapper/007:55:130
111391230,0ptp4l0-21swapper/007:35:160
111391230,0ptp4l0-21swapper/007:15:010
111391230,0ptp4l0-21swapper/007:10:200
111391220,0ptp4l6880-21ssh09:53:311
111391220,0ptp4l20426-21strings08:25:175
111391220,0ptp4l0-21swapper/712:07:187
111391220,0ptp4l0-21swapper/710:32:517
111391220,0ptp4l0-21swapper/710:25:167
111391220,0ptp4l0-21swapper/709:48:107
111391220,0ptp4l0-21swapper/610:51:216
111391220,0ptp4l0-21swapper/609:50:516
111391220,0ptp4l0-21swapper/609:44:316
111391220,0ptp4l0-21swapper/512:36:555
111391220,0ptp4l0-21swapper/512:31:335
111391220,0ptp4l0-21swapper/512:16:215
111391220,0ptp4l0-21swapper/512:00:115
111391220,0ptp4l0-21swapper/511:57:085
111391220,0ptp4l0-21swapper/511:45:355
111391220,0ptp4l0-21swapper/511:37:435
111391220,0ptp4l0-21swapper/511:21:025
111391220,0ptp4l0-21swapper/511:21:025
111391220,0ptp4l0-21swapper/511:18:225
111391220,0ptp4l0-21swapper/511:12:335
111391220,0ptp4l0-21swapper/511:00:185
111391220,0ptp4l0-21swapper/510:31:145
111391220,0ptp4l0-21swapper/509:52:015
111391220,0ptp4l0-21swapper/509:27:105
111391220,0ptp4l0-21swapper/509:00:165
111391220,0ptp4l0-21swapper/508:59:335
111391220,0ptp4l0-21swapper/508:50:125
111391220,0ptp4l0-21swapper/507:40:005
111391220,0ptp4l0-21swapper/507:20:215
111391220,0ptp4l0-21swapper/411:23:134
111391220,0ptp4l0-21swapper/411:23:124
111391220,0ptp4l0-21swapper/409:05:174
111391220,0ptp4l0-21swapper/408:53:324
111391220,0ptp4l0-21swapper/408:20:184
111391220,0ptp4l0-21swapper/408:14:224
111391220,0ptp4l0-21swapper/408:05:144
111391220,0ptp4l0-21swapper/407:50:014
111391220,0ptp4l0-21swapper/407:22:534
111391220,0ptp4l0-21swapper/312:07:023
111391220,0ptp4l0-21swapper/310:53:313
111391220,0ptp4l0-21swapper/310:33:043
111391220,0ptp4l0-21swapper/310:25:183
111391220,0ptp4l0-21swapper/309:15:463
111391220,0ptp4l0-21swapper/211:20:202
111391220,0ptp4l0-21swapper/211:20:202
111391220,0ptp4l0-21swapper/112:11:391
111391220,0ptp4l0-21swapper/111:53:211
111391220,0ptp4l0-21swapper/111:45:011
111391220,0ptp4l0-21swapper/111:16:331
111391220,0ptp4l0-21swapper/111:12:151
111391220,0ptp4l0-21swapper/110:50:391
111391220,0ptp4l0-21swapper/110:31:101
111391220,0ptp4l0-21swapper/109:45:311
111391220,0ptp4l0-21swapper/109:05:121
111391220,0ptp4l0-21swapper/108:25:191
111391220,0ptp4l0-21swapper/108:10:141
111391220,0ptp4l0-21swapper/010:55:110
111391220,0ptp4l0-21swapper/010:00:050
111391220,0ptp4l0-21swapper/008:45:160
111391220,0ptp4l0-21swapper/008:15:130
111391220,0ptp4l0-21swapper/007:43:350
111391210,0ptp4l0-21swapper/611:37:016
111391210,0ptp4l0-21swapper/611:08:436
111391210,0ptp4l0-21swapper/607:35:126
111391210,0ptp4l0-21swapper/512:22:545
111391210,0ptp4l0-21swapper/512:09:595
111391210,0ptp4l0-21swapper/510:41:555
111391210,0ptp4l0-21swapper/510:26:215
111391210,0ptp4l0-21swapper/507:58:225
111391210,0ptp4l0-21swapper/410:21:194
111391210,0ptp4l0-21swapper/408:33:274
111391210,0ptp4l0-21swapper/407:33:484
111391210,0ptp4l0-21swapper/211:36:552
111391210,0ptp4l0-21swapper/210:51:062
111391210,0ptp4l0-21swapper/210:28:312
111391210,0ptp4l0-21swapper/210:07:342
111391210,0ptp4l0-21swapper/209:50:532
111391210,0ptp4l0-21swapper/112:35:521
111391210,0ptp4l0-21swapper/108:09:421
111391210,0ptp4l0-21swapper/107:46:261
111391210,0ptp4l0-21swapper/009:57:230
111391210,0ptp4l0-21swapper/008:35:330
111391210,0ptp4l0-21swapper/008:20:160
111391210,0ptp4l0-21swapper/007:21:400
111391200,0ptp4l0-21swapper/710:35:487
111391200,0ptp4l0-21swapper/507:46:315
111391200,0ptp4l0-21swapper/407:10:214
111391200,0ptp4l0-21swapper/209:38:512
111391200,0ptp4l0-21swapper/208:46:222
111391200,0ptp4l0-21swapper/207:19:242
111391200,0ptp4l0-21swapper/110:46:551
111391200,0ptp4l0-21swapper/108:15:151
111391200,0ptp4l0-21swapper/108:04:411
111391200,0ptp4l0-21swapper/008:29:010
111391200,0ptp4l0-21swapper/007:52:260
111391200,0ptp4l0-21swapper/007:34:320
111391190,0ptp4l0-21swapper/608:29:296
111391190,0ptp4l0-21swapper/507:39:325
111391190,0ptp4l0-21swapper/408:36:224
111391190,0ptp4l0-21swapper/408:28:164
111391190,0ptp4l0-21swapper/210:14:122
111391180,2ptp4l0-21swapper/108:47:421
111391180,0ptp4l0-21swapper/607:21:276
111391180,0ptp4l0-21swapper/512:10:025
111391180,0ptp4l0-21swapper/511:51:375
111391180,0ptp4l0-21swapper/507:19:565
111391180,0ptp4l0-21swapper/209:56:272
111391180,0ptp4l0-21swapper/107:41:061
111391170,0ptp4l0-21swapper/708:01:397
111391170,0ptp4l0-21swapper/612:27:146
111391170,0ptp4l0-21swapper/610:15:256
111391170,0ptp4l0-21swapper/610:14:106
111391170,0ptp4l0-21swapper/609:38:526
111391170,0ptp4l0-21swapper/510:50:445
111391170,0ptp4l0-21swapper/509:05:125
111391170,0ptp4l0-21swapper/508:43:335
111391170,0ptp4l0-21swapper/508:43:335
111391170,0ptp4l0-21swapper/112:09:591
111391170,0ptp4l0-21swapper/108:55:371
111391170,0ptp4l0-21swapper/008:51:090
111391160,0ptp4l0-21swapper/612:34:256
111391160,0ptp4l0-21swapper/610:07:356
111391160,0ptp4l0-21swapper/211:03:032
111391160,0ptp4l0-21swapper/210:15:242
111391160,0ptp4l0-21swapper/108:43:321
111391160,0ptp4l0-21swapper/108:43:311
111391160,0ptp4l0-21swapper/107:56:391
111391160,0ptp4l0-21swapper/008:34:350
148992150,0sleep70-21swapper/708:15:017
111391150,1ptp4l1669499cyclictest10:35:483
111391150,0ptp4l0-21swapper/712:14:097
111391150,0ptp4l0-21swapper/707:29:157
111391150,0ptp4l0-21swapper/609:05:236
111391150,0ptp4l0-21swapper/608:21:506
111391150,0ptp4l0-21swapper/608:08:106
111391150,0ptp4l0-21swapper/607:40:076
111391150,0ptp4l0-21swapper/607:19:246
111391150,0ptp4l0-21swapper/607:13:376
111391150,0ptp4l0-21swapper/312:14:123
111391150,0ptp4l0-21swapper/308:01:413
111391150,0ptp4l0-21swapper/307:30:023
111391150,0ptp4l0-21swapper/307:29:133
111391150,0ptp4l0-21swapper/207:47:532
111391150,0ptp4l0-21swapper/207:40:042
111391150,0ptp4l0-21swapper/207:13:382
111391150,0ptp4l0-21swapper/107:39:301
111391150,0ptp4l0-21swapper/007:25:590
111391140,0ptp4l0-21swapper/611:03:066
111391140,0ptp4l0-21swapper/608:54:586
111391140,0ptp4l0-21swapper/608:16:456
111391140,0ptp4l0-21swapper/608:01:226
111391140,0ptp4l0-21swapper/607:47:526
111391140,0ptp4l0-21swapper/212:27:132
111391140,0ptp4l0-21swapper/209:19:482
111391140,0ptp4l0-21swapper/209:05:222
111391140,0ptp4l0-21swapper/208:57:462
111391140,0ptp4l0-21swapper/208:54:552
111391140,0ptp4l0-21swapper/208:29:292
111391140,0ptp4l0-21swapper/208:21:482
111391140,0ptp4l0-21swapper/208:16:442
111391140,0ptp4l0-21swapper/208:08:072
111391140,0ptp4l0-21swapper/208:01:222
111391140,0ptp4l0-21swapper/207:21:242
1671799130,0cyclictest0-21swapper/611:30:156
1669499110,10cyclictest0-21swapper/310:13:063
1668899110,1cyclictest21912-21sensors11:45:202
1668899110,10cyclictest0-21swapper/211:34:292
1672299100,9cyclictest0-21swapper/711:19:267
1671799100,9cyclictest0-21swapper/609:34:396
1671799100,9cyclictest0-21swapper/609:28:026
1671799100,1cyclictest0-21swapper/611:50:186
1671799100,0cyclictest0-21swapper/612:36:476
1669499109,0cyclictest0-21swapper/310:48:463
1669499109,0cyclictest0-21swapper/310:22:513
1669499108,1cyclictest0-21swapper/312:01:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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