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2026-04-24 - 20:39

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 Fri Apr 24, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,5ptp4l0-21swapper/107:07:511
3052026050,6sleep70-21swapper/707:05:497
111391600,5ptp4l0-21swapper/407:05:444
3051525737,6sleep20-21swapper/207:05:452
236122560,0sleep30-21swapper/311:20:013
236122560,0sleep30-21swapper/311:20:013
212682550,1sleep421270-21timerandwakeup09:05:204
3050225433,16sleep60-21swapper/607:05:416
3047925432,6sleep50-21swapper/507:05:235
111391530,5ptp4l0-21swapper/007:05:240
3051624837,7sleep30-21swapper/307:05:463
111391340,0ptp4l0-21swapper/411:30:134
111391340,0ptp4l0-21swapper/109:11:351
111391330,0ptp4l17960-21vmstat11:10:200
111391330,0ptp4l17960-21vmstat11:10:190
111391330,0ptp4l0-21swapper/411:54:114
111391330,0ptp4l0-21swapper/411:16:084
111391330,0ptp4l0-21swapper/411:16:074
111391330,0ptp4l0-21swapper/410:45:184
111391330,0ptp4l0-21swapper/211:55:142
111391330,0ptp4l0-21swapper/011:35:170
111391330,0ptp4l0-21swapper/010:29:100
111391320,0ptp4l0-21swapper/412:20:064
111391320,0ptp4l0-21swapper/411:47:224
111391320,0ptp4l0-21swapper/410:59:494
111391310,0ptp4l0-21swapper/412:35:124
111391310,0ptp4l0-21swapper/411:56:234
111391310,0ptp4l0-21swapper/410:53:224
111391310,0ptp4l0-21swapper/410:18:284
111391310,0ptp4l0-21swapper/112:19:031
111391310,0ptp4l0-21swapper/112:12:271
111391310,0ptp4l0-21swapper/109:51:361
111391310,0ptp4l0-21swapper/107:15:121
111391310,0ptp4l0-21swapper/010:16:480
111391310,0ptp4l0-21swapper/010:09:420
111391310,0ptp4l0-21swapper/009:50:190
111391310,0ptp4l0-21swapper/008:45:190
111391300,0ptp4l0-21swapper/412:09:404
111391300,0ptp4l0-21swapper/411:26:054
111391300,0ptp4l0-21swapper/411:01:094
111391300,0ptp4l0-21swapper/409:10:144
111391300,0ptp4l0-21swapper/111:35:421
111391290,3ptp4l0-21swapper/110:13:461
111391290,0ptp4l0-21swapper/412:12:104
111391290,0ptp4l0-21swapper/411:14:164
111391290,0ptp4l0-21swapper/411:14:164
111391290,0ptp4l0-21swapper/411:08:474
111391290,0ptp4l0-21swapper/410:34:544
111391290,0ptp4l0-21swapper/410:00:324
111391290,0ptp4l0-21swapper/409:31:124
111391290,0ptp4l0-21swapper/110:36:241
111391290,0ptp4l0-21swapper/012:35:230
111391290,0ptp4l0-21swapper/012:03:440
111391290,0ptp4l0-21swapper/011:26:240
111391290,0ptp4l0-21swapper/010:59:020
111391290,0ptp4l0-21swapper/009:56:100
111391290,0ptp4l0-21swapper/009:26:460
111391280,0ptp4l0-21swapper/712:15:197
111391280,0ptp4l0-21swapper/412:18:124
111391280,0ptp4l0-21swapper/411:23:534
111391280,0ptp4l0-21swapper/410:08:534
111391280,0ptp4l0-21swapper/409:47:014
111391280,0ptp4l0-21swapper/409:19:054
111391280,0ptp4l0-21swapper/408:05:154
111391280,0ptp4l0-21swapper/111:44:031
111391280,0ptp4l0-21swapper/111:27:131
111391280,0ptp4l0-21swapper/111:02:521
111391280,0ptp4l0-21swapper/108:15:151
111391280,0ptp4l0-21swapper/012:17:030
111391270,3ptp4l0-21swapper/409:56:284
111391270,0ptp4l0-21swapper/611:43:136
111391270,0ptp4l0-21swapper/412:28:134
111391270,0ptp4l0-21swapper/410:42:024
111391270,0ptp4l0-21swapper/410:27:474
111391270,0ptp4l0-21swapper/111:52:071
111391270,0ptp4l0-21swapper/012:33:450
111391270,0ptp4l0-21swapper/009:19:180
111391260,3ptp4l0-21swapper/409:29:534
111391260,1ptp4l121rcu_preempt10:15:462
111391260,0ptp4l101ktimersoftd/012:24:000
111391260,0ptp4l0-21swapper/510:20:165
111391260,0ptp4l0-21swapper/412:33:444
111391260,0ptp4l0-21swapper/411:38:064
111391260,0ptp4l0-21swapper/410:36:224
111391260,0ptp4l0-21swapper/210:23:342
111391260,0ptp4l0-21swapper/112:30:491
111391260,0ptp4l0-21swapper/111:11:181
111391260,0ptp4l0-21swapper/111:11:171
111391260,0ptp4l0-21swapper/012:05:120
111391260,0ptp4l0-21swapper/011:54:230
111391260,0ptp4l0-21swapper/010:34:210
111391250,2ptp4l0-21swapper/110:25:111
111391250,1ptp4l795-21diskstats12:15:113
111391250,1ptp4l19817-21latency_hist07:55:014
111391250,0ptp4l23166-21ssh09:52:596
111391250,0ptp4l0-21swapper/509:27:255
111391250,0ptp4l0-21swapper/410:12:244
111391250,0ptp4l0-21swapper/408:45:014
111391250,0ptp4l0-21swapper/408:38:574
111391250,0ptp4l0-21swapper/408:38:564
111391250,0ptp4l0-21swapper/408:24:484
111391250,0ptp4l0-21swapper/408:00:124
111391250,0ptp4l0-21swapper/407:57:384
111391250,0ptp4l0-21swapper/407:42:144
111391250,0ptp4l0-21swapper/407:35:134
111391250,0ptp4l0-21swapper/111:16:551
111391250,0ptp4l0-21swapper/111:16:541
111391250,0ptp4l0-21swapper/108:35:011
111391250,0ptp4l0-21swapper/107:42:331
111391250,0ptp4l0-21swapper/107:38:441
111391250,0ptp4l0-21swapper/010:44:340
111391250,0ptp4l0-21swapper/009:00:340
111391240,3ptp4l0-21swapper/110:21:011
111391240,1ptp4l5722-21/usr/sbin/munin09:30:130
111391240,1ptp4l30497-21df09:20:104
111391240,1ptp4l28319-21irqrtprio11:25:145
111391240,1ptp4l21919-21find09:50:184
111391240,1ptp4l20233-21munin-run09:49:591
111391240,1ptp4l12946-21fw_forwarded_lo11:05:130
111391240,1ptp4l10805-21latency_hist07:34:594
111391240,1ptp4l10201-21ssh12:26:511
111391240,0ptp4l0-21swapper/710:47:267
111391240,0ptp4l0-21swapper/611:55:136
111391240,0ptp4l0-21swapper/512:03:325
111391240,0ptp4l0-21swapper/511:36:455
111391240,0ptp4l0-21swapper/510:05:155
111391240,0ptp4l0-21swapper/510:04:475
111391240,0ptp4l0-21swapper/509:49:595
111391240,0ptp4l0-21swapper/509:12:215
111391240,0ptp4l0-21swapper/412:00:104
111391240,0ptp4l0-21swapper/411:41:304
111391240,0ptp4l0-21swapper/408:55:094
111391240,0ptp4l0-21swapper/408:50:094
111391240,0ptp4l0-21swapper/407:25:184
111391240,0ptp4l0-21swapper/407:20:444
111391240,0ptp4l0-21swapper/308:40:123
111391240,0ptp4l0-21swapper/111:55:531
111391240,0ptp4l0-21swapper/111:20:111
111391240,0ptp4l0-21swapper/110:32:481
111391240,0ptp4l0-21swapper/109:18:341
111391240,0ptp4l0-21swapper/108:15:001
111391240,0ptp4l0-21swapper/107:10:121
111391240,0ptp4l0-21swapper/011:55:160
111391240,0ptp4l0-21swapper/011:42:470
111391240,0ptp4l0-21swapper/011:33:340
111391240,0ptp4l0-21swapper/011:19:510
111391240,0ptp4l0-21swapper/011:19:510
111391240,0ptp4l0-21swapper/010:00:190
111391240,0ptp4l0-21swapper/009:45:120
111391240,0ptp4l0-21swapper/009:42:340
111391240,0ptp4l0-21swapper/009:35:570
111391240,0ptp4l0-21swapper/008:41:300
111391240,0ptp4l0-21swapper/008:39:100
111391240,0ptp4l0-21swapper/008:39:090
111391240,0ptp4l0-21swapper/008:05:140
111391240,0ptp4l0-21swapper/007:45:310
111391240,0ptp4l0-21swapper/007:25:150
111391240,0ptp4l0-21swapper/007:15:030
111391230,0ptp4l9622-21sh12:25:210
111391230,0ptp4l0-21swapper/712:08:467
111391230,0ptp4l0-21swapper/708:40:167
111391230,0ptp4l0-21swapper/707:45:117
111391230,0ptp4l0-21swapper/707:10:237
111391230,0ptp4l0-21swapper/610:48:386
111391230,0ptp4l0-21swapper/512:36:565
111391230,0ptp4l0-21swapper/512:17:205
111391230,0ptp4l0-21swapper/512:12:535
111391230,0ptp4l0-21swapper/511:50:155
111391230,0ptp4l0-21swapper/511:34:575
111391230,0ptp4l0-21swapper/511:20:105
111391230,0ptp4l0-21swapper/511:04:465
111391230,0ptp4l0-21swapper/510:36:535
111391230,0ptp4l0-21swapper/510:25:175
111391230,0ptp4l0-21swapper/509:50:095
111391230,0ptp4l0-21swapper/509:35:125
111391230,0ptp4l0-21swapper/509:24:475
111391230,0ptp4l0-21swapper/509:17:255
111391230,0ptp4l0-21swapper/509:00:115
111391230,0ptp4l0-21swapper/507:30:155
111391230,0ptp4l0-21swapper/507:10:155
111391230,0ptp4l0-21swapper/409:40:314
111391230,0ptp4l0-21swapper/409:36:184
111391230,0ptp4l0-21swapper/409:05:014
111391230,0ptp4l0-21swapper/408:30:114
111391230,0ptp4l0-21swapper/408:25:144
111391230,0ptp4l0-21swapper/408:10:194
111391230,0ptp4l0-21swapper/407:45:184
111391230,0ptp4l0-21swapper/407:15:004
111391230,0ptp4l0-21swapper/407:12:194
111391230,0ptp4l0-21swapper/312:08:233
111391230,0ptp4l0-21swapper/307:10:163
111391230,0ptp4l0-21swapper/212:20:142
111391230,0ptp4l0-21swapper/112:38:311
111391230,0ptp4l0-21swapper/112:00:161
111391230,0ptp4l0-21swapper/111:34:251
111391230,0ptp4l0-21swapper/110:18:001
111391230,0ptp4l0-21swapper/110:05:121
111391230,0ptp4l0-21swapper/109:43:211
111391230,0ptp4l0-21swapper/109:35:151
111391230,0ptp4l0-21swapper/109:25:171
111391230,0ptp4l0-21swapper/109:21:421
111391230,0ptp4l0-21swapper/108:27:441
111391230,0ptp4l0-21swapper/107:30:121
111391230,0ptp4l0-21swapper/107:26:561
111391230,0ptp4l0-21swapper/012:11:120
111391230,0ptp4l0-21swapper/011:45:180
111391230,0ptp4l0-21swapper/011:00:110
111391230,0ptp4l0-21swapper/010:50:140
111391230,0ptp4l0-21swapper/010:45:140
111391230,0ptp4l0-21swapper/010:35:120
111391230,0ptp4l0-21swapper/010:22:390
111391230,0ptp4l0-21swapper/010:12:210
111391230,0ptp4l0-21swapper/009:10:100
111391230,0ptp4l0-21swapper/009:05:140
111391230,0ptp4l0-21swapper/008:55:130
111391230,0ptp4l0-21swapper/008:50:110
111391230,0ptp4l0-21swapper/008:30:130
111391230,0ptp4l0-21swapper/008:25:120
111391230,0ptp4l0-21swapper/008:10:140
111391230,0ptp4l0-21swapper/007:55:130
111391230,0ptp4l0-21swapper/007:50:110
111391230,0ptp4l0-21swapper/007:40:130
111391230,0ptp4l0-21swapper/007:35:150
111391230,0ptp4l0-21swapper/007:30:130
111391230,0ptp4l0-21swapper/007:20:130
111391230,0ptp4l0-21swapper/007:14:370
111391220,0ptp4l23898-21ssh11:20:090
111391220,0ptp4l0-21swapper/712:14:157
111391220,0ptp4l0-21swapper/612:20:146
111391220,0ptp4l0-21swapper/611:52:386
111391220,0ptp4l0-21swapper/609:59:016
111391220,0ptp4l0-21swapper/609:06:366
111391220,0ptp4l0-21swapper/512:27:125
111391220,0ptp4l0-21swapper/511:55:545
111391220,0ptp4l0-21swapper/511:48:505
111391220,0ptp4l0-21swapper/511:44:035
111391220,0ptp4l0-21swapper/511:18:115
111391220,0ptp4l0-21swapper/511:18:105
111391220,0ptp4l0-21swapper/511:05:005
111391220,0ptp4l0-21swapper/510:52:415
111391220,0ptp4l0-21swapper/510:41:145
111391220,0ptp4l0-21swapper/510:10:145
111391220,0ptp4l0-21swapper/509:43:475
111391220,0ptp4l0-21swapper/509:31:025
111391220,0ptp4l0-21swapper/508:35:115
111391220,0ptp4l0-21swapper/508:35:115
111391220,0ptp4l0-21swapper/508:15:135
111391220,0ptp4l0-21swapper/508:05:175
111391220,0ptp4l0-21swapper/507:15:125
111391220,0ptp4l0-21swapper/410:20:124
111391220,0ptp4l0-21swapper/312:14:183
111391220,0ptp4l0-21swapper/310:47:293
111391220,0ptp4l0-21swapper/310:15:443
111391220,0ptp4l0-21swapper/210:37:262
111391220,0ptp4l0-21swapper/112:22:251
111391220,0ptp4l0-21swapper/112:07:191
111391220,0ptp4l0-21swapper/111:48:591
111391220,0ptp4l0-21swapper/111:08:141
111391220,0ptp4l0-21swapper/110:55:591
111391220,0ptp4l0-21swapper/110:54:011
111391220,0ptp4l0-21swapper/110:41:081
111391220,0ptp4l0-21swapper/110:02:171
111391220,0ptp4l0-21swapper/109:55:461
111391220,0ptp4l0-21swapper/109:33:281
111391220,0ptp4l0-21swapper/108:45:131
111391220,0ptp4l0-21swapper/108:20:101
111391220,0ptp4l0-21swapper/108:05:161
111391220,0ptp4l0-21swapper/107:24:301
111391220,0ptp4l0-21swapper/009:20:140
111391220,0ptp4l0-21swapper/008:20:200
111391220,0ptp4l0-21swapper/008:00:140
111391210,2ptp4l0-21swapper/108:51:531
111391210,0ptp4l0-21swapper/710:16:127
111391210,0ptp4l0-21swapper/610:23:326
111391210,0ptp4l0-21swapper/610:15:486
111391210,0ptp4l0-21swapper/512:31:115
111391210,0ptp4l0-21swapper/512:22:155
111391210,0ptp4l0-21swapper/512:06:225
111391210,0ptp4l0-21swapper/510:56:015
111391210,0ptp4l0-21swapper/510:18:035
111391210,0ptp4l0-21swapper/509:58:545
111391210,0ptp4l0-21swapper/508:31:415
111391210,0ptp4l0-21swapper/507:35:115
111391210,0ptp4l0-21swapper/408:44:184
111391210,0ptp4l0-21swapper/210:48:412
111391210,0ptp4l0-21swapper/109:00:171
111391200,0ptp4l0-21swapper/612:34:156
111391200,0ptp4l0-21swapper/511:10:045
111391200,0ptp4l0-21swapper/511:10:035
111391200,0ptp4l0-21swapper/211:52:322
111391200,0ptp4l0-21swapper/211:42:572
111391200,0ptp4l0-21swapper/108:37:251
111391200,0ptp4l0-21swapper/108:37:241
111391190,0ptp4l0-21swapper/711:49:247
111391190,0ptp4l0-21swapper/607:50:246
111391190,0ptp4l0-21swapper/508:29:255
111391190,0ptp4l0-21swapper/507:49:135
111391190,0ptp4l0-21swapper/507:27:075
111391190,0ptp4l0-21swapper/507:23:415
111391190,0ptp4l0-21swapper/212:34:142
111391190,0ptp4l0-21swapper/209:53:002
111391190,0ptp4l0-21swapper/209:18:092
111391190,0ptp4l0-21swapper/208:33:312
111391190,0ptp4l0-21swapper/110:45:421
111391190,0ptp4l0-21swapper/108:57:421
111391190,0ptp4l0-21swapper/108:41:411
111391180,0ptp4l0-21swapper/708:40:007
111391180,0ptp4l0-21swapper/708:39:597
111391180,0ptp4l0-21swapper/608:33:266
111391180,0ptp4l0-21swapper/510:45:425
111391180,0ptp4l0-21swapper/510:32:495
111391180,0ptp4l0-21swapper/508:20:115
111391180,0ptp4l0-21swapper/310:57:363
111391180,0ptp4l0-21swapper/308:39:593
111391180,0ptp4l0-21swapper/308:39:583
111391180,0ptp4l0-21swapper/108:01:241
111391170,0ptp4l0-21swapper/711:19:577
111391170,0ptp4l0-21swapper/711:19:567
111391170,0ptp4l0-21swapper/107:53:271
111391160,0ptp4l0-21swapper/509:07:235
111391160,0ptp4l0-21swapper/508:12:595
111391160,0ptp4l0-21swapper/212:00:542
111391160,0ptp4l0-21swapper/109:06:271
111391160,0ptp4l0-21swapper/107:55:301
111391160,0ptp4l0-21swapper/107:47:111
31126991511,3cyclictest13081-21/usr/sbin/munin08:50:132
111391150,0ptp4l0-21swapper/708:52:137
111391150,0ptp4l0-21swapper/708:49:587
111391150,0ptp4l0-21swapper/708:05:577
111391150,0ptp4l0-21swapper/707:44:497
111391150,0ptp4l0-21swapper/612:00:546
111391150,0ptp4l0-21swapper/608:54:106
111391150,0ptp4l0-21swapper/608:48:466
111391150,0ptp4l0-21swapper/608:28:006
111391150,0ptp4l0-21swapper/608:17:166
111391150,0ptp4l0-21swapper/607:57:266
111391150,0ptp4l0-21swapper/607:46:176
111391150,0ptp4l0-21swapper/607:39:566
111391150,0ptp4l0-21swapper/508:55:485
111391150,0ptp4l0-21swapper/508:50:525
111391150,0ptp4l0-21swapper/508:45:065
111391150,0ptp4l0-21swapper/508:41:425
111391150,0ptp4l0-21swapper/508:01:125
111391150,0ptp4l0-21swapper/507:55:375
111391150,0ptp4l0-21swapper/507:53:335
111391150,0ptp4l0-21swapper/507:40:575
111391150,0ptp4l0-21swapper/408:15:294
111391150,0ptp4l0-21swapper/311:49:193
111391150,0ptp4l0-21swapper/308:52:023
111391150,0ptp4l0-21swapper/308:49:523
111391150,0ptp4l0-21swapper/308:06:043
111391150,0ptp4l0-21swapper/307:45:023
111391150,0ptp4l0-21swapper/307:44:503
111391150,0ptp4l0-21swapper/209:59:012
111391150,0ptp4l0-21swapper/209:06:362
111391150,0ptp4l0-21swapper/208:27:562
111391150,0ptp4l0-21swapper/208:22:222
111391150,0ptp4l0-21swapper/207:57:362
111391150,0ptp4l0-21swapper/207:39:572
111391150,0ptp4l0-21swapper/008:15:270
111391140,0ptp4l0-21swapper/607:19:406
111391140,0ptp4l0-21swapper/607:10:376
111391140,0ptp4l0-21swapper/208:47:072
111391140,0ptp4l0-21swapper/208:17:162
111391140,0ptp4l0-21swapper/207:50:232
111391140,0ptp4l0-21swapper/207:46:152
3116099109,0cyclictest0-21swapper/709:10:177
3116099100,9cyclictest0-21swapper/710:14:447
3115399108,1cyclictest25062-21entropy08:05:126
3115399108,1cyclictest13670-21turbostat11:50:006
3115399100,9cyclictest0-21swapper/610:03:426
3115399100,9cyclictest0-21swapper/609:49:156
3115399100,9cyclictest0-21swapper/609:22:516
3113199109,0cyclictest0-21swapper/309:55:413
3113199108,1cyclictest0-21swapper/310:39:593
3113199100,9cyclictest0-21swapper/311:29:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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