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2026-06-04 - 15:23

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 Thu Jun 04, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214352640,0sleep60-21swapper/609:38:186
22622630,1sleep773-21ksoftirqd/709:12:157
111391620,20ptp4l0-21swapper/307:08:173
1881916130,22phc2sys0-21swapper/507:05:225
843626050,6sleep70-21swapper/707:09:387
294972590,1sleep61068-21runrttasks10:32:586
116542560,0sleep50-21swapper/511:35:375
111391550,5ptp4l0-21swapper/107:05:201
111391540,5ptp4l0-21swapper/407:05:044
111391540,5ptp4l0-21swapper/007:05:100
839125343,6sleep20-21swapper/207:09:022
823124635,6sleep60-21swapper/607:06:566
111391340,0ptp4l0-21swapper/412:05:144
111391320,0ptp4l0-21swapper/410:48:244
111391310,2ptp4l0-21swapper/411:36:024
111391310,0ptp4l0-21swapper/410:22:244
111391310,0ptp4l0-21swapper/410:22:234
111391310,0ptp4l0-21swapper/109:22:151
111391300,0ptp4l0-21swapper/412:20:204
111391300,0ptp4l0-21swapper/410:51:444
111391290,3ptp4l0-21swapper/409:45:514
111391290,3ptp4l0-21swapper/409:28:344
111391290,0ptp4l0-21swapper/411:19:194
111391290,0ptp4l0-21swapper/110:25:131
111391290,0ptp4l0-21swapper/110:20:141
111391290,0ptp4l0-21swapper/110:20:131
111391290,0ptp4l0-21swapper/012:19:230
111391290,0ptp4l0-21swapper/011:29:340
111391290,0ptp4l0-21swapper/010:52:350
111391290,0ptp4l0-21swapper/009:55:530
111391280,1ptp4l24719-21rm09:42:205
111391280,0ptp4l0-21swapper/710:14:157
111391280,0ptp4l0-21swapper/411:11:514
111391280,0ptp4l0-21swapper/410:44:424
111391280,0ptp4l0-21swapper/410:39:424
111391280,0ptp4l0-21swapper/410:27:234
111391280,0ptp4l0-21swapper/409:33:544
111391280,0ptp4l0-21swapper/310:08:173
111391280,0ptp4l0-21swapper/112:29:281
111391280,0ptp4l0-21swapper/112:01:411
111391280,0ptp4l0-21swapper/011:48:500
111391270,3ptp4l0-21swapper/411:58:464
111391270,0ptp4l121rcu_preempt07:40:141
111391270,0ptp4l121rcu_preempt07:40:131
111391270,0ptp4l0-21swapper/512:28:255
111391270,0ptp4l0-21swapper/512:15:165
111391270,0ptp4l0-21swapper/412:26:294
111391270,0ptp4l0-21swapper/411:50:204
111391270,0ptp4l0-21swapper/411:44:124
111391270,0ptp4l0-21swapper/411:25:084
111391270,0ptp4l0-21swapper/410:34:274
111391270,0ptp4l0-21swapper/410:09:214
111391270,0ptp4l0-21swapper/409:15:574
111391270,0ptp4l0-21swapper/409:12:394
111391270,0ptp4l0-21swapper/312:11:223
111391270,0ptp4l0-21swapper/111:05:001
111391270,0ptp4l0-21swapper/012:27:000
111391270,0ptp4l0-21swapper/012:05:570
111391270,0ptp4l0-21swapper/009:26:020
111391270,0ptp4l0-21swapper/009:11:130
111391260,1ptp4l0-21swapper/111:16:101
111391260,0ptp4l0-21swapper/510:15:595
111391260,0ptp4l0-21swapper/510:15:595
111391260,0ptp4l0-21swapper/509:47:045
111391260,0ptp4l0-21swapper/410:59:334
111391260,0ptp4l0-21swapper/409:59:284
111391260,0ptp4l0-21swapper/407:50:114
111391260,0ptp4l0-21swapper/309:56:553
111391260,0ptp4l0-21swapper/108:46:511
111391260,0ptp4l0-21swapper/011:55:570
111391260,0ptp4l0-21swapper/010:40:100
111391260,0ptp4l0-21swapper/009:38:090
111391260,0ptp4l0-21swapper/009:16:050
111391250,1ptp4l49-21ksoftirqd/412:10:154
111391250,1ptp4l14987-21smartctl08:30:174
111391250,1ptp4l11835-21/usr/sbin/munin07:15:170
111391250,0ptp4l0-21swapper/610:43:536
111391250,0ptp4l0-21swapper/510:25:155
111391250,0ptp4l0-21swapper/508:20:135
111391250,0ptp4l0-21swapper/411:32:054
111391250,0ptp4l0-21swapper/409:51:444
111391250,0ptp4l0-21swapper/409:43:024
111391250,0ptp4l0-21swapper/409:04:594
111391250,0ptp4l0-21swapper/112:17:581
111391250,0ptp4l0-21swapper/111:39:001
111391250,0ptp4l0-21swapper/111:05:161
111391250,0ptp4l0-21swapper/110:12:331
111391250,0ptp4l0-21swapper/010:56:040
111391250,0ptp4l0-21swapper/010:12:210
111391250,0ptp4l0-21swapper/009:50:140
111391250,0ptp4l0-21swapper/007:40:160
111391250,0ptp4l0-21swapper/007:40:150
111391240,3ptp4l0-21swapper/110:38:291
111391240,1ptp4l6674-21awk10:45:191
111391240,1ptp4l5964-21sh10:00:184
111391240,1ptp4l4984-21entropy08:10:124
111391240,1ptp4l25600-21df_inode08:55:105
111391240,1ptp4l2318-21switchtime09:55:201
111391240,1ptp4l20817-21smart_sda10:20:185
111391240,1ptp4l20817-21smart_sda10:20:185
111391240,1ptp4l20619-21diskstats11:05:125
111391240,1ptp4l0-21swapper/112:11:451
111391240,0ptp4l0-21swapper/512:03:275
111391240,0ptp4l0-21swapper/510:12:405
111391240,0ptp4l0-21swapper/412:02:274
111391240,0ptp4l0-21swapper/411:20:114
111391240,0ptp4l0-21swapper/411:05:544
111391240,0ptp4l0-21swapper/410:17:234
111391240,0ptp4l0-21swapper/410:17:224
111391240,0ptp4l0-21swapper/307:55:123
111391240,0ptp4l0-21swapper/109:45:141
111391240,0ptp4l0-21swapper/108:25:021
111391240,0ptp4l0-21swapper/012:35:140
111391240,0ptp4l0-21swapper/012:10:050
111391240,0ptp4l0-21swapper/011:50:580
111391240,0ptp4l0-21swapper/011:35:170
111391240,0ptp4l0-21swapper/011:20:000
111391240,0ptp4l0-21swapper/011:00:290
111391240,0ptp4l0-21swapper/010:45:130
111391240,0ptp4l0-21swapper/010:33:560
111391240,0ptp4l0-21swapper/009:34:490
111391240,0ptp4l0-21swapper/009:20:170
111391240,0ptp4l0-21swapper/008:20:160
111391230,1ptp4l28238-21if_eno107:50:137
111391230,1ptp4l27410-21date09:00:004
111391230,0ptp4l73-21ksoftirqd/707:10:147
111391230,0ptp4l0-21swapper/712:11:037
111391230,0ptp4l0-21swapper/711:30:147
111391230,0ptp4l0-21swapper/710:15:187
111391230,0ptp4l0-21swapper/710:15:187
111391230,0ptp4l0-21swapper/710:05:187
111391230,0ptp4l0-21swapper/710:02:247
111391230,0ptp4l0-21swapper/611:59:336
111391230,0ptp4l0-21swapper/511:22:455
111391230,0ptp4l0-21swapper/511:14:145
111391230,0ptp4l0-21swapper/510:38:425
111391230,0ptp4l0-21swapper/509:55:125
111391230,0ptp4l0-21swapper/509:34:115
111391230,0ptp4l0-21swapper/509:25:135
111391230,0ptp4l0-21swapper/509:16:295
111391230,0ptp4l0-21swapper/509:10:205
111391230,0ptp4l0-21swapper/508:45:115
111391230,0ptp4l0-21swapper/507:30:125
111391230,0ptp4l0-21swapper/412:35:144
111391230,0ptp4l0-21swapper/412:30:094
111391230,0ptp4l0-21swapper/412:15:114
111391230,0ptp4l0-21swapper/411:45:134
111391230,0ptp4l0-21swapper/411:00:104
111391230,0ptp4l0-21swapper/409:20:084
111391230,0ptp4l0-21swapper/409:05:164
111391230,0ptp4l0-21swapper/408:50:134
111391230,0ptp4l0-21swapper/408:40:164
111391230,0ptp4l0-21swapper/408:35:134
111391230,0ptp4l0-21swapper/408:20:164
111391230,0ptp4l0-21swapper/408:05:154
111391230,0ptp4l0-21swapper/407:48:064
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/407:40:204
111391230,0ptp4l0-21swapper/407:35:184
111391230,0ptp4l0-21swapper/407:35:174
111391230,0ptp4l0-21swapper/407:20:154
111391230,0ptp4l0-21swapper/311:31:543
111391230,0ptp4l0-21swapper/310:15:163
111391230,0ptp4l0-21swapper/310:15:153
111391230,0ptp4l0-21swapper/310:02:303
111391230,0ptp4l0-21swapper/307:10:153
111391230,0ptp4l0-21swapper/111:53:001
111391230,0ptp4l0-21swapper/111:41:271
111391230,0ptp4l0-21swapper/111:10:191
111391230,0ptp4l0-21swapper/110:33:071
111391230,0ptp4l0-21swapper/110:15:591
111391230,0ptp4l0-21swapper/110:15:591
111391230,0ptp4l0-21swapper/109:25:131
111391230,0ptp4l0-21swapper/107:35:091
111391230,0ptp4l0-21swapper/107:35:081
111391230,0ptp4l0-21swapper/012:30:100
111391230,0ptp4l0-21swapper/012:20:130
111391230,0ptp4l0-21swapper/012:00:160
111391230,0ptp4l0-21swapper/011:40:160
111391230,0ptp4l0-21swapper/011:34:590
111391230,0ptp4l0-21swapper/011:20:180
111391230,0ptp4l0-21swapper/010:35:160
111391230,0ptp4l0-21swapper/010:26:080
111391230,0ptp4l0-21swapper/009:45:190
111391230,0ptp4l0-21swapper/009:40:110
111391230,0ptp4l0-21swapper/008:49:590
111391230,0ptp4l0-21swapper/008:40:120
111391230,0ptp4l0-21swapper/008:35:110
111391230,0ptp4l0-21swapper/008:15:180
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:35:190
111391230,0ptp4l0-21swapper/007:35:190
111391220,0ptp4l28776-21strings07:50:153
111391220,0ptp4l121rcu_preempt08:43:286
111391220,0ptp4l0-21swapper/709:57:267
111391220,0ptp4l0-21swapper/707:55:147
111391220,0ptp4l0-21swapper/612:37:086
111391220,0ptp4l0-21swapper/512:11:545
111391220,0ptp4l0-21swapper/512:09:465
111391220,0ptp4l0-21swapper/511:52:095
111391220,0ptp4l0-21swapper/511:49:175
111391220,0ptp4l0-21swapper/511:15:515
111391220,0ptp4l0-21swapper/510:57:285
111391220,0ptp4l0-21swapper/510:51:155
111391220,0ptp4l0-21swapper/510:45:215
111391220,0ptp4l0-21swapper/510:41:095
111391220,0ptp4l0-21swapper/510:00:535
111391220,0ptp4l0-21swapper/509:38:175
111391220,0ptp4l0-21swapper/508:25:115
111391220,0ptp4l0-21swapper/508:05:135
111391220,0ptp4l0-21swapper/508:00:545
111391220,0ptp4l0-21swapper/409:35:194
111391220,0ptp4l0-21swapper/408:15:114
111391220,0ptp4l0-21swapper/408:00:144
111391220,0ptp4l0-21swapper/407:30:154
111391220,0ptp4l0-21swapper/407:15:124
111391220,0ptp4l0-21swapper/310:13:473
111391220,0ptp4l0-21swapper/210:35:502
111391220,0ptp4l0-21swapper/210:10:152
111391220,0ptp4l0-21swapper/111:22:281
111391220,0ptp4l0-21swapper/109:53:351
111391220,0ptp4l0-21swapper/109:42:231
111391220,0ptp4l0-21swapper/109:30:531
111391220,0ptp4l0-21swapper/108:55:141
111391220,0ptp4l0-21swapper/108:20:131
111391220,0ptp4l0-21swapper/108:05:111
111391220,0ptp4l0-21swapper/107:25:121
111391220,0ptp4l0-21swapper/011:10:180
111391220,0ptp4l0-21swapper/011:07:430
111391220,0ptp4l0-21swapper/010:22:100
111391220,0ptp4l0-21swapper/010:22:100
111391220,0ptp4l0-21swapper/010:19:380
111391220,0ptp4l0-21swapper/010:19:380
111391220,0ptp4l0-21swapper/010:00:110
111391220,0ptp4l0-21swapper/009:05:170
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:59:130
111391220,0ptp4l0-21swapper/008:50:150
111391220,0ptp4l0-21swapper/008:30:150
111391220,0ptp4l0-21swapper/008:10:120
111391220,0ptp4l0-21swapper/007:30:210
111391220,0ptp4l0-21swapper/007:20:100
273912210,0sleep20-21swapper/211:58:412
111391210,4ptp4l0-21swapper/507:56:075
111391210,0ptp4l0-21swapper/712:34:107
111391210,0ptp4l0-21swapper/709:24:087
111391210,0ptp4l0-21swapper/610:10:126
111391210,0ptp4l0-21swapper/607:29:166
111391210,0ptp4l0-21swapper/512:38:265
111391210,0ptp4l0-21swapper/512:32:445
111391210,0ptp4l0-21swapper/512:24:325
111391210,0ptp4l0-21swapper/511:27:455
111391210,0ptp4l0-21swapper/510:32:025
111391210,0ptp4l0-21swapper/509:53:075
111391210,0ptp4l0-21swapper/508:17:455
111391210,0ptp4l0-21swapper/507:40:155
111391210,0ptp4l0-21swapper/507:40:145
111391210,0ptp4l0-21swapper/507:35:145
111391210,0ptp4l0-21swapper/507:35:135
111391210,0ptp4l0-21swapper/507:23:555
111391210,0ptp4l0-21swapper/410:10:484
111391210,0ptp4l0-21swapper/212:36:562
111391210,0ptp4l0-21swapper/212:32:202
111391210,0ptp4l0-21swapper/210:52:522
111391210,0ptp4l0-21swapper/210:30:092
111391210,0ptp4l0-21swapper/209:58:152
111391210,0ptp4l0-21swapper/209:33:242
111391210,0ptp4l0-21swapper/112:31:091
111391210,0ptp4l0-21swapper/112:24:181
111391210,0ptp4l0-21swapper/111:55:351
111391210,0ptp4l0-21swapper/111:45:341
111391210,0ptp4l0-21swapper/111:28:121
111391210,0ptp4l0-21swapper/110:59:211
111391210,0ptp4l0-21swapper/110:52:131
111391210,0ptp4l0-21swapper/110:41:051
111391210,0ptp4l0-21swapper/110:00:451
111391210,0ptp4l0-21swapper/109:35:511
111391210,0ptp4l0-21swapper/109:16:421
111391210,0ptp4l0-21swapper/109:11:321
111391210,0ptp4l0-21swapper/107:19:241
111391210,0ptp4l0-21swapper/010:08:460
111391210,0ptp4l0-21swapper/007:55:490
111391210,0ptp4l0-21swapper/007:48:000
111391210,0ptp4l0-21swapper/007:28:310
258872200,0sleep70-21swapper/709:45:007
239322200,0sleep70-21swapper/711:54:067
111391200,0ptp4l0-21swapper/612:32:206
111391200,0ptp4l0-21swapper/611:22:086
111391200,0ptp4l0-21swapper/608:07:506
111391200,0ptp4l0-21swapper/511:43:055
111391200,0ptp4l0-21swapper/511:04:545
111391200,0ptp4l0-21swapper/509:22:065
111391200,0ptp4l0-21swapper/508:54:445
111391200,0ptp4l0-21swapper/408:29:294
111391200,0ptp4l0-21swapper/312:34:173
111391200,0ptp4l0-21swapper/212:02:572
111391200,0ptp4l0-21swapper/112:37:291
111391200,0ptp4l0-21swapper/112:06:131
111391200,0ptp4l0-21swapper/108:54:521
111391200,0ptp4l0-21swapper/108:43:091
111391200,0ptp4l0-21swapper/108:30:501
111391200,0ptp4l0-21swapper/108:11:121
111391200,0ptp4l0-21swapper/008:05:180
111391200,0ptp4l0-21swapper/007:13:220
111391190,0ptp4l0-21swapper/612:14:576
111391190,0ptp4l0-21swapper/610:52:546
111391190,0ptp4l0-21swapper/511:57:135
111391190,0ptp4l0-21swapper/508:13:045
111391190,0ptp4l0-21swapper/507:25:155
111391190,0ptp4l0-21swapper/407:26:474
111391190,0ptp4l0-21swapper/308:57:293
111391190,0ptp4l0-21swapper/212:14:572
111391190,0ptp4l0-21swapper/211:22:082
111391190,0ptp4l0-21swapper/211:19:172
111391190,0ptp4l0-21swapper/210:43:522
111391190,0ptp4l0-21swapper/108:00:501
111391190,0ptp4l0-21swapper/107:56:501
111391190,0ptp4l0-21swapper/107:34:321
111391190,0ptp4l0-21swapper/008:25:520
111391180,0ptp4l0-21swapper/611:39:466
111391180,0ptp4l0-21swapper/610:35:536
111391180,0ptp4l0-21swapper/511:34:245
111391180,0ptp4l0-21swapper/508:30:495
111391180,0ptp4l0-21swapper/408:48:134
111391180,0ptp4l0-21swapper/309:24:093
111391180,0ptp4l0-21swapper/109:06:041
111391180,0ptp4l0-21swapper/108:17:401
111391170,0ptp4l0-21swapper/609:33:266
111391170,0ptp4l0-21swapper/212:07:322
111391170,0ptp4l0-21swapper/211:39:472
111391170,0ptp4l0-21swapper/111:33:151
111391160,0ptp4l0-21swapper/609:29:246
111391160,0ptp4l0-21swapper/608:33:526
111391160,0ptp4l0-21swapper/608:15:396
111391160,0ptp4l0-21swapper/407:55:494
111391160,0ptp4l0-21swapper/407:13:304
111391160,0ptp4l0-21swapper/208:15:492
111391160,0ptp4l0-21swapper/107:13:461
111391150,0ptp4l65-21ksoftirqd/609:01:226
111391150,0ptp4l0-21swapper/708:57:257
111391150,0ptp4l0-21swapper/612:20:586
111391150,0ptp4l0-21swapper/611:19:116
111391150,0ptp4l0-21swapper/609:58:156
111391150,0ptp4l0-21swapper/608:58:116
111391150,0ptp4l0-21swapper/608:37:476
111391150,0ptp4l0-21swapper/608:27:076
111391150,0ptp4l0-21swapper/607:31:026
111391150,0ptp4l0-21swapper/607:21:246
111391150,0ptp4l0-21swapper/509:05:565
111391150,0ptp4l0-21swapper/509:01:055
111391150,0ptp4l0-21swapper/508:42:175
111391150,0ptp4l0-21swapper/507:47:215
111391150,0ptp4l0-21swapper/507:16:015
111391150,0ptp4l0-21swapper/507:11:535
111391150,0ptp4l0-21swapper/212:20:572
111391150,0ptp4l0-21swapper/209:15:562
111391150,0ptp4l0-21swapper/208:43:302
111391150,0ptp4l0-21swapper/208:37:492
111391150,0ptp4l0-21swapper/208:33:502
111391150,0ptp4l0-21swapper/208:23:072
111391150,0ptp4l0-21swapper/208:07:552
111391150,0ptp4l0-21swapper/207:29:232
111391150,0ptp4l0-21swapper/109:01:031
111391150,0ptp4l0-21swapper/108:39:581
111391150,0ptp4l0-21swapper/107:45:211
111391150,0ptp4l0-21swapper/107:23:101
111391150,0ptp4l0-21swapper/007:50:080
8778991412,1cyclictest0-21swapper/710:35:117
111391140,0ptp4l0-21swapper/612:07:316
111391140,0ptp4l0-21swapper/608:23:096
111391140,0ptp4l0-21swapper/608:10:496
111391140,0ptp4l0-21swapper/608:00:126
111391140,0ptp4l0-21swapper/508:40:005
111391140,0ptp4l0-21swapper/209:07:592
111391140,0ptp4l0-21swapper/208:57:502
111391140,0ptp4l0-21swapper/208:27:082
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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