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2026-04-14 - 17:15

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 Apr 14, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391770,29ptp4l0-21swapper/007:05:130
1198226241,6sleep20-21swapper/207:08:142
180482610,0sleep00-21swapper/010:15:130
299002600,0sleep60-21swapper/611:16:566
270442600,0sleep30-21swapper/311:14:043
111391600,5ptp4l0-21swapper/407:08:394
1179525949,6sleep70-21swapper/707:05:547
267572580,0sleep00-21swapper/011:13:130
111391570,4ptp4l0-21swapper/107:05:071
1180025434,6sleep30-21swapper/307:05:583
1189324935,9sleep60-21swapper/607:07:066
1021324534,6sleep50-21swapper/507:05:045
111391310,2ptp4l0-21swapper/009:36:060
111391310,0ptp4l0-21swapper/409:42:114
111391300,0ptp4l0-21swapper/710:48:427
111391300,0ptp4l0-21swapper/512:24:425
111391300,0ptp4l0-21swapper/412:23:574
111391300,0ptp4l0-21swapper/309:17:283
111391300,0ptp4l0-21swapper/010:01:170
111391290,0ptp4l0-21swapper/511:35:185
111391290,0ptp4l0-21swapper/411:48:454
111391290,0ptp4l0-21swapper/411:41:584
111391290,0ptp4l0-21swapper/410:01:554
111391290,0ptp4l0-21swapper/111:32:561
111391290,0ptp4l0-21swapper/012:16:560
111391290,0ptp4l0-21swapper/012:08:050
111391290,0ptp4l0-21swapper/011:46:050
111391290,0ptp4l0-21swapper/010:48:130
111391280,0ptp4l0-21swapper/512:05:215
111391280,0ptp4l0-21swapper/512:02:575
111391280,0ptp4l0-21swapper/412:01:054
111391280,0ptp4l0-21swapper/411:10:444
111391280,0ptp4l0-21swapper/410:35:184
111391280,0ptp4l0-21swapper/409:33:014
111391280,0ptp4l0-21swapper/212:26:382
111391280,0ptp4l0-21swapper/110:44:551
111391280,0ptp4l0-21swapper/011:51:000
111391280,0ptp4l0-21swapper/009:56:510
111391280,0ptp4l0-21swapper/009:55:000
111391280,0ptp4l0-21swapper/009:13:430
111391270,0ptp4l0-21swapper/511:55:225
111391270,0ptp4l0-21swapper/510:52:115
111391270,0ptp4l0-21swapper/510:52:115
111391270,0ptp4l0-21swapper/510:42:145
111391270,0ptp4l0-21swapper/410:09:254
111391270,0ptp4l0-21swapper/409:58:044
111391270,0ptp4l0-21swapper/409:39:304
111391270,0ptp4l0-21swapper/310:20:483
111391270,0ptp4l0-21swapper/112:19:411
111391270,0ptp4l0-21swapper/112:04:551
111391270,0ptp4l0-21swapper/110:06:541
111391270,0ptp4l0-21swapper/109:24:351
111391270,0ptp4l0-21swapper/108:50:131
111391270,0ptp4l0-21swapper/011:24:060
111391270,0ptp4l0-21swapper/010:58:060
111391270,0ptp4l0-21swapper/010:25:010
111391270,0ptp4l0-21swapper/009:47:540
111391270,0ptp4l0-21swapper/009:44:440
111391270,0ptp4l0-21swapper/008:20:150
111391260,0ptp4l0-21swapper/710:20:047
111391260,0ptp4l0-21swapper/508:15:185
111391260,0ptp4l0-21swapper/508:15:185
111391260,0ptp4l0-21swapper/412:09:354
111391260,0ptp4l0-21swapper/411:16:144
111391260,0ptp4l0-21swapper/410:56:164
111391260,0ptp4l0-21swapper/410:28:314
111391260,0ptp4l0-21swapper/409:47:354
111391260,0ptp4l0-21swapper/409:13:394
111391260,0ptp4l0-21swapper/112:38:401
111391260,0ptp4l0-21swapper/111:18:541
111391260,0ptp4l0-21swapper/110:04:291
111391260,0ptp4l0-21swapper/012:23:520
111391260,0ptp4l0-21swapper/012:01:060
111391260,0ptp4l0-21swapper/011:59:040
111391260,0ptp4l0-21swapper/011:42:310
111391260,0ptp4l0-21swapper/010:43:420
111391260,0ptp4l0-21swapper/007:10:120
111391250,1ptp4l24941-21fw_conntrack07:35:144
111391250,1ptp4l16337-21df_inode12:30:140
111391250,0ptp4l0-21swapper/510:07:535
111391250,0ptp4l0-21swapper/510:02:425
111391250,0ptp4l0-21swapper/412:31:264
111391250,0ptp4l0-21swapper/412:26:584
111391250,0ptp4l0-21swapper/411:25:144
111391250,0ptp4l0-21swapper/411:20:204
111391250,0ptp4l0-21swapper/411:09:414
111391250,0ptp4l0-21swapper/410:51:134
111391250,0ptp4l0-21swapper/410:51:134
111391250,0ptp4l0-21swapper/409:23:014
111391250,0ptp4l0-21swapper/111:21:241
111391250,0ptp4l0-21swapper/109:52:421
111391250,0ptp4l0-21swapper/109:45:151
111391250,0ptp4l0-21swapper/109:28:141
111391250,0ptp4l0-21swapper/108:40:191
111391250,0ptp4l0-21swapper/012:15:000
111391250,0ptp4l0-21swapper/011:20:000
111391250,0ptp4l0-21swapper/009:33:470
111391240,3ptp4l121rcu_preempt08:19:010
111391240,3ptp4l121rcu_preempt08:19:010
111391240,2ptp4l0-21swapper/110:45:161
111391240,1ptp4l32582-21df_inode09:50:134
111391240,1ptp4l22971-21irqrtprio07:30:154
111391240,1ptp4l20853-21/usr/sbin/munin07:25:164
111391240,0ptp4l0-21swapper/709:16:227
111391240,0ptp4l0-21swapper/512:37:205
111391240,0ptp4l0-21swapper/512:15:125
111391240,0ptp4l0-21swapper/512:10:105
111391240,0ptp4l0-21swapper/509:55:125
111391240,0ptp4l0-21swapper/508:10:145
111391240,0ptp4l0-21swapper/508:01:255
111391240,0ptp4l0-21swapper/507:50:155
111391240,0ptp4l0-21swapper/412:17:114
111391240,0ptp4l0-21swapper/411:50:124
111391240,0ptp4l0-21swapper/411:00:114
111391240,0ptp4l0-21swapper/410:34:134
111391240,0ptp4l0-21swapper/409:00:104
111391240,0ptp4l0-21swapper/408:25:134
111391240,0ptp4l0-21swapper/408:05:154
111391240,0ptp4l0-21swapper/312:06:313
111391240,0ptp4l0-21swapper/112:12:321
111391240,0ptp4l0-21swapper/112:05:161
111391240,0ptp4l0-21swapper/109:45:001
111391240,0ptp4l0-21swapper/108:10:001
111391240,0ptp4l0-21swapper/012:25:160
111391240,0ptp4l0-21swapper/011:02:230
111391240,0ptp4l0-21swapper/010:51:090
111391240,0ptp4l0-21swapper/010:51:090
111391240,0ptp4l0-21swapper/009:25:050
111391240,0ptp4l0-21swapper/007:54:020
111391230,1ptp4l28341-21latency_hist10:30:005
111391230,1ptp4l26850-21cut08:50:125
111391230,1ptp4l20092-21df_inode08:35:130
111391230,1ptp4l1719-21diskstats07:55:121
111391230,0ptp4l0-21swapper/712:38:227
111391230,0ptp4l0-21swapper/712:06:317
111391230,0ptp4l0-21swapper/710:40:217
111391230,0ptp4l0-21swapper/510:30:215
111391230,0ptp4l0-21swapper/509:52:565
111391230,0ptp4l0-21swapper/508:55:185
111391230,0ptp4l0-21swapper/507:55:155
111391230,0ptp4l0-21swapper/412:35:194
111391230,0ptp4l0-21swapper/410:40:004
111391230,0ptp4l0-21swapper/410:24:434
111391230,0ptp4l0-21swapper/410:15:004
111391230,0ptp4l0-21swapper/410:10:134
111391230,0ptp4l0-21swapper/409:25:164
111391230,0ptp4l0-21swapper/409:15:134
111391230,0ptp4l0-21swapper/409:05:134
111391230,0ptp4l0-21swapper/408:55:144
111391230,0ptp4l0-21swapper/408:50:184
111391230,0ptp4l0-21swapper/408:46:234
111391230,0ptp4l0-21swapper/408:40:124
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:20:204
111391230,0ptp4l0-21swapper/408:00:144
111391230,0ptp4l0-21swapper/407:45:174
111391230,0ptp4l0-21swapper/407:40:194
111391230,0ptp4l0-21swapper/407:10:184
111391230,0ptp4l0-21swapper/211:36:312
111391230,0ptp4l0-21swapper/211:07:002
111391230,0ptp4l0-21swapper/211:01:402
111391230,0ptp4l0-21swapper/112:22:411
111391230,0ptp4l0-21swapper/111:35:171
111391230,0ptp4l0-21swapper/111:14:361
111391230,0ptp4l0-21swapper/110:27:101
111391230,0ptp4l0-21swapper/109:15:151
111391230,0ptp4l0-21swapper/108:15:131
111391230,0ptp4l0-21swapper/108:15:131
111391230,0ptp4l0-21swapper/108:10:181
111391230,0ptp4l0-21swapper/107:50:111
111391230,0ptp4l0-21swapper/012:35:170
111391230,0ptp4l0-21swapper/011:35:490
111391230,0ptp4l0-21swapper/011:30:190
111391230,0ptp4l0-21swapper/011:05:160
111391230,0ptp4l0-21swapper/010:35:140
111391230,0ptp4l0-21swapper/010:13:500
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/008:45:110
111391230,0ptp4l0-21swapper/008:30:140
111391230,0ptp4l0-21swapper/008:05:200
111391230,0ptp4l0-21swapper/008:00:160
111391230,0ptp4l0-21swapper/007:45:120
111391230,0ptp4l0-21swapper/007:40:150
111391230,0ptp4l0-21swapper/007:35:200
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:15:140
111391220,3ptp4l0-21swapper/407:20:454
111391220,1ptp4l1239699cyclictest10:49:043
111391220,0ptp4l0-21swapper/712:00:167
111391220,0ptp4l0-21swapper/711:59:587
111391220,0ptp4l0-21swapper/711:51:147
111391220,0ptp4l0-21swapper/711:03:367
111391220,0ptp4l0-21swapper/611:06:136
111391220,0ptp4l0-21swapper/511:54:545
111391220,0ptp4l0-21swapper/511:30:065
111391220,0ptp4l0-21swapper/511:28:205
111391220,0ptp4l0-21swapper/511:22:305
111391220,0ptp4l0-21swapper/511:11:595
111391220,0ptp4l0-21swapper/510:45:165
111391220,0ptp4l0-21swapper/510:38:105
111391220,0ptp4l0-21swapper/510:23:105
111391220,0ptp4l0-21swapper/509:45:045
111391220,0ptp4l0-21swapper/509:44:325
111391220,0ptp4l0-21swapper/509:35:155
111391220,0ptp4l0-21swapper/509:27:515
111391220,0ptp4l0-21swapper/509:20:135
111391220,0ptp4l0-21swapper/509:18:365
111391220,0ptp4l0-21swapper/508:05:375
111391220,0ptp4l0-21swapper/507:25:205
111391220,0ptp4l0-21swapper/411:56:474
111391220,0ptp4l0-21swapper/411:36:584
111391220,0ptp4l0-21swapper/411:30:204
111391220,0ptp4l0-21swapper/410:45:094
111391220,0ptp4l0-21swapper/408:30:194
111391220,0ptp4l0-21swapper/407:15:134
111391220,0ptp4l0-21swapper/312:38:273
111391220,0ptp4l0-21swapper/312:00:133
111391220,0ptp4l0-21swapper/310:40:223
111391220,0ptp4l0-21swapper/310:37:293
111391220,0ptp4l0-21swapper/212:30:082
111391220,0ptp4l0-21swapper/211:59:142
111391220,0ptp4l0-21swapper/210:12:582
111391220,0ptp4l0-21swapper/112:28:421
111391220,0ptp4l0-21swapper/111:55:151
111391220,0ptp4l0-21swapper/111:54:061
111391220,0ptp4l0-21swapper/111:45:481
111391220,0ptp4l0-21swapper/111:05:151
111391220,0ptp4l0-21swapper/111:04:041
111391220,0ptp4l0-21swapper/110:54:241
111391220,0ptp4l0-21swapper/110:54:241
111391220,0ptp4l0-21swapper/110:30:131
111391220,0ptp4l0-21swapper/110:17:261
111391220,0ptp4l0-21swapper/109:55:151
111391220,0ptp4l0-21swapper/109:00:171
111391220,0ptp4l0-21swapper/107:45:141
111391220,0ptp4l0-21swapper/107:25:181
111391220,0ptp4l0-21swapper/107:20:001
111391220,0ptp4l0-21swapper/107:10:111
111391220,0ptp4l0-21swapper/011:25:220
111391220,0ptp4l0-21swapper/010:05:320
111391220,0ptp4l0-21swapper/009:20:330
111391220,0ptp4l0-21swapper/009:15:040
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:50:170
111391220,0ptp4l0-21swapper/008:25:140
111391220,0ptp4l0-21swapper/007:30:180
111391220,0ptp4l0-21swapper/007:20:150
111391210,0ptp4l0-21swapper/710:37:317
111391210,0ptp4l0-21swapper/611:51:526
111391210,0ptp4l0-21swapper/611:36:326
111391210,0ptp4l0-21swapper/610:12:216
111391210,0ptp4l0-21swapper/609:12:246
111391210,0ptp4l0-21swapper/512:32:375
111391210,0ptp4l0-21swapper/512:29:035
111391210,0ptp4l0-21swapper/511:45:385
111391210,0ptp4l0-21swapper/511:43:265
111391210,0ptp4l0-21swapper/511:19:045
111391210,0ptp4l0-21swapper/510:19:505
111391210,0ptp4l0-21swapper/509:34:485
111391210,0ptp4l0-21swapper/509:00:165
111391210,0ptp4l0-21swapper/507:18:475
111391210,0ptp4l0-21swapper/408:16:084
111391210,0ptp4l0-21swapper/408:16:084
111391210,0ptp4l0-21swapper/407:58:564
111391210,0ptp4l0-21swapper/407:53:224
111391210,0ptp4l0-21swapper/311:59:473
111391210,0ptp4l0-21swapper/311:03:183
111391210,0ptp4l0-21swapper/209:22:422
111391210,0ptp4l0-21swapper/112:34:471
111391210,0ptp4l0-21swapper/111:27:031
111391210,0ptp4l0-21swapper/110:22:531
111391210,0ptp4l0-21swapper/109:35:161
111391210,0ptp4l0-21swapper/109:35:001
111391210,0ptp4l0-21swapper/108:55:171
111391210,0ptp4l0-21swapper/107:41:121
111391210,0ptp4l0-21swapper/107:36:171
111391210,0ptp4l0-21swapper/107:16:241
111391210,0ptp4l0-21swapper/010:31:390
111391210,0ptp4l0-21swapper/010:22:350
111391210,0ptp4l0-21swapper/008:55:010
111391210,0ptp4l0-21swapper/007:56:380
111391200,2ptp4l0-21swapper/108:22:001
111391200,0ptp4l0-21swapper/707:27:017
111391200,0ptp4l0-21swapper/612:20:396
111391200,0ptp4l0-21swapper/611:59:276
111391200,0ptp4l0-21swapper/611:45:056
111391200,0ptp4l0-21swapper/610:51:296
111391200,0ptp4l0-21swapper/610:51:286
111391200,0ptp4l0-21swapper/609:22:416
111391200,0ptp4l0-21swapper/510:13:195
111391200,0ptp4l0-21swapper/509:11:495
111391200,0ptp4l0-21swapper/508:42:145
111391200,0ptp4l0-21swapper/507:45:145
111391200,0ptp4l0-21swapper/412:14:064
111391200,0ptp4l0-21swapper/111:40:471
111391200,0ptp4l0-21swapper/110:36:101
111391200,0ptp4l0-21swapper/110:13:171
111391200,0ptp4l0-21swapper/109:11:401
111391200,0ptp4l0-21swapper/008:40:080
111391190,0ptp4l0-21swapper/612:26:336
111391190,0ptp4l0-21swapper/507:44:065
111391190,0ptp4l0-21swapper/507:38:195
111391190,0ptp4l0-21swapper/507:33:085
111391190,0ptp4l0-21swapper/311:07:463
111391190,0ptp4l0-21swapper/307:28:053
111391190,0ptp4l0-21swapper/212:20:382
111391190,0ptp4l0-21swapper/211:51:472
111391190,0ptp4l0-21swapper/210:51:192
111391190,0ptp4l0-21swapper/210:51:192
111391190,0ptp4l0-21swapper/209:12:232
111391190,0ptp4l0-21swapper/209:08:022
111391190,0ptp4l0-21swapper/207:44:432
111391190,0ptp4l0-21swapper/108:01:201
111391180,0ptp4l0-21swapper/612:30:066
111391180,0ptp4l0-21swapper/609:46:066
111391180,0ptp4l0-21swapper/511:03:465
111391180,0ptp4l0-21swapper/211:45:072
111391180,0ptp4l0-21swapper/209:46:072
111391180,0ptp4l0-21swapper/110:55:501
111391170,2ptp4l0-21swapper/108:49:331
111391170,0ptp4l0-21swapper/711:07:417
111391170,0ptp4l0-21swapper/611:01:446
111391170,0ptp4l0-21swapper/507:10:115
111391170,0ptp4l0-21swapper/311:51:153
111391160,0ptp4l0-21swapper/510:55:525
111391160,0ptp4l0-21swapper/508:49:425
111391160,0ptp4l0-21swapper/508:36:075
111391160,0ptp4l0-21swapper/508:34:555
111391160,0ptp4l0-21swapper/508:22:585
111391160,0ptp4l0-21swapper/507:20:135
111391160,0ptp4l0-21swapper/109:06:491
111391160,0ptp4l0-21swapper/108:36:161
111391160,0ptp4l0-21swapper/108:34:021
111391160,0ptp4l0-21swapper/107:31:341
111391150,0ptp4l0-21swapper/609:07:106
111391150,0ptp4l0-21swapper/608:57:356
111391150,0ptp4l0-21swapper/608:31:266
111391150,0ptp4l0-21swapper/608:21:436
111391150,0ptp4l0-21swapper/607:44:366
111391150,0ptp4l0-21swapper/607:12:226
111391150,0ptp4l0-21swapper/511:09:535
111391150,0ptp4l0-21swapper/509:06:525
111391150,0ptp4l0-21swapper/408:12:264
111391150,0ptp4l0-21swapper/208:57:352
111391150,0ptp4l0-21swapper/207:12:232
111391150,0ptp4l0-21swapper/108:27:471
111391150,0ptp4l0-21swapper/008:12:220
111391140,0ptp4l0-21swapper/608:45:076
111391140,0ptp4l0-21swapper/608:26:036
111391140,0ptp4l0-21swapper/508:27:485
111391140,0ptp4l0-21swapper/210:18:322
111391140,0ptp4l0-21swapper/208:45:322
111391140,0ptp4l0-21swapper/208:31:242
111391140,0ptp4l0-21swapper/208:26:052
111391140,0ptp4l0-21swapper/208:21:412
1241699110,10cyclictest0-21swapper/609:52:196
1239699110,10cyclictest12361-21cyclictest09:14:123
1242399109,0cyclictest0-21swapper/709:45:127
1242399100,0cyclictest0-21swapper/712:22:307
1242399100,0cyclictest0-21swapper/711:26:347
1241699109,0cyclictest0-21swapper/610:32:426
1241699100,9cyclictest0-21swapper/608:01:036
1239699100,9cyclictest0-21swapper/312:32:513
1239699100,9cyclictest0-21swapper/311:16:193
1239699100,9cyclictest0-21swapper/309:42:303
1239699100,1cyclictest24845-21ssh10:25:053
124239998,0cyclictest0-21swapper/707:40:167
124239998,0cyclictest0-21swapper/707:35:247
124239990,0cyclictest0-21swapper/711:43:147
124169990,0cyclictest0-21swapper/612:13:276
123969990,8cyclictest0-21swapper/312:13:233
123969990,0cyclictest0-21swapper/311:37:323
123889998,0cyclictest0-21swapper/210:21:332
123889998,0cyclictest0-21swapper/209:28:362
124239987,0cyclictest0-21swapper/709:44:537
124169987,0cyclictest0-21swapper/609:19:566
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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