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2026-04-23 - 19:53

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 Apr 23, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,14ptp4l0-21swapper/007:06:120
111391630,32ptp4l0-21swapper/107:08:551
78072600,1sleep09-21ksoftirqd/011:28:010
825125937,7sleep60-21swapper/607:06:556
111391580,11ptp4l0-21swapper/407:05:134
825625747,6sleep20-21swapper/207:06:592
1881915433,7phc2sys0-21swapper/307:08:373
835825331,7sleep50-21swapper/507:08:145
657925038,7sleep70-21swapper/707:05:037
111391350,0ptp4l0-21swapper/309:17:493
111391350,0ptp4l0-21swapper/012:21:130
111391320,3ptp4l0-21swapper/410:20:004
111391320,0ptp4l0-21swapper/009:26:160
111391320,0ptp4l0-21swapper/007:15:200
111391310,0ptp4l0-21swapper/510:45:135
111391310,0ptp4l0-21swapper/412:09:314
111391310,0ptp4l0-21swapper/110:45:211
111391310,0ptp4l0-21swapper/109:16:261
111391300,0ptp4l0-21swapper/511:12:475
111391300,0ptp4l0-21swapper/412:36:274
111391300,0ptp4l0-21swapper/410:50:204
111391300,0ptp4l0-21swapper/410:05:144
111391300,0ptp4l0-21swapper/011:52:250
111391300,0ptp4l0-21swapper/009:40:120
111391290,2ptp4l0-21swapper/409:42:494
111391290,0ptp4l0-21swapper/508:10:165
111391290,0ptp4l0-21swapper/411:47:244
111391290,0ptp4l0-21swapper/409:26:564
111391290,0ptp4l0-21swapper/311:20:033
111391290,0ptp4l0-21swapper/011:15:140
111391290,0ptp4l0-21swapper/010:22:350
111391290,0ptp4l0-21swapper/009:10:150
111391280,0ptp4l0-21swapper/711:41:327
111391280,0ptp4l0-21swapper/510:21:515
111391280,0ptp4l0-21swapper/509:10:415
111391280,0ptp4l0-21swapper/412:04:574
111391280,0ptp4l0-21swapper/411:51:374
111391280,0ptp4l0-21swapper/410:40:444
111391280,0ptp4l0-21swapper/410:28:214
111391280,0ptp4l0-21swapper/410:28:214
111391280,0ptp4l0-21swapper/409:31:004
111391280,0ptp4l0-21swapper/409:21:424
111391280,0ptp4l0-21swapper/409:19:444
111391280,0ptp4l0-21swapper/311:38:153
111391280,0ptp4l0-21swapper/110:38:411
111391280,0ptp4l0-21swapper/012:11:100
111391280,0ptp4l0-21swapper/012:07:220
111391280,0ptp4l0-21swapper/009:21:060
111391270,0ptp4l0-21swapper/709:18:397
111391270,0ptp4l0-21swapper/510:18:285
111391270,0ptp4l0-21swapper/412:34:394
111391270,0ptp4l0-21swapper/412:19:554
111391270,0ptp4l0-21swapper/412:11:524
111391270,0ptp4l0-21swapper/409:58:464
111391270,0ptp4l0-21swapper/409:12:454
111391270,0ptp4l0-21swapper/012:19:020
111391270,0ptp4l0-21swapper/010:40:150
111391270,0ptp4l0-21swapper/009:30:340
111391260,6ptp4l0-21swapper/510:42:015
111391260,3ptp4l0-21swapper/111:55:221
111391260,3ptp4l0-21swapper/008:10:190
111391260,2ptp4l0-21swapper/611:54:556
111391260,2ptp4l0-21swapper/309:52:153
111391260,0ptp4l0-21swapper/511:56:475
111391260,0ptp4l0-21swapper/509:33:145
111391260,0ptp4l0-21swapper/411:34:214
111391260,0ptp4l0-21swapper/411:24:544
111391260,0ptp4l0-21swapper/410:31:224
111391260,0ptp4l0-21swapper/410:31:214
111391260,0ptp4l0-21swapper/409:36:024
111391260,0ptp4l0-21swapper/407:45:004
111391260,0ptp4l0-21swapper/310:13:483
111391260,0ptp4l0-21swapper/111:37:321
111391260,0ptp4l0-21swapper/012:27:230
111391260,0ptp4l0-21swapper/012:00:360
111391260,0ptp4l0-21swapper/010:50:150
111391260,0ptp4l0-21swapper/010:09:340
111391260,0ptp4l0-21swapper/009:37:110
111391260,0ptp4l0-21swapper/007:45:130
111391260,0ptp4l0-21swapper/007:45:130
111391250,1ptp4l8326-21timerandwakeup08:15:210
111391250,1ptp4l26079-21memory12:35:150
111391250,1ptp4l15229-21ptp4l-jitter07:20:175
111391250,0ptp4l0-21swapper/512:38:205
111391250,0ptp4l0-21swapper/511:43:075
111391250,0ptp4l0-21swapper/511:06:155
111391250,0ptp4l0-21swapper/510:06:595
111391250,0ptp4l0-21swapper/412:25:174
111391250,0ptp4l0-21swapper/411:55:154
111391250,0ptp4l0-21swapper/411:35:224
111391250,0ptp4l0-21swapper/410:38:164
111391250,0ptp4l0-21swapper/408:35:144
111391250,0ptp4l0-21swapper/408:00:204
111391250,0ptp4l0-21swapper/407:35:004
111391250,0ptp4l0-21swapper/110:58:471
111391250,0ptp4l0-21swapper/109:33:171
111391250,0ptp4l0-21swapper/010:57:470
111391250,0ptp4l0-21swapper/010:01:160
111391250,0ptp4l0-21swapper/009:00:130
111391250,0ptp4l0-21swapper/007:35:110
111391240,1ptp4l4355-21munin-run08:10:005
111391240,1ptp4l25362-21/usr/sbin/munin08:55:160
111391240,1ptp4l25234-21sh11:08:030
111391240,0ptp4l0-21swapper/511:30:115
111391240,0ptp4l0-21swapper/511:02:415
111391240,0ptp4l0-21swapper/509:15:165
111391240,0ptp4l0-21swapper/508:30:125
111391240,0ptp4l0-21swapper/412:21:004
111391240,0ptp4l0-21swapper/411:25:104
111391240,0ptp4l0-21swapper/411:16:214
111391240,0ptp4l0-21swapper/410:01:474
111391240,0ptp4l0-21swapper/409:00:194
111391240,0ptp4l0-21swapper/407:45:134
111391240,0ptp4l0-21swapper/407:45:134
111391240,0ptp4l0-21swapper/211:45:142
111391240,0ptp4l0-21swapper/112:10:171
111391240,0ptp4l0-21swapper/111:51:111
111391240,0ptp4l0-21swapper/109:05:151
111391240,0ptp4l0-21swapper/108:50:131
111391240,0ptp4l0-21swapper/011:45:230
111391240,0ptp4l0-21swapper/011:35:190
111391240,0ptp4l0-21swapper/011:33:190
111391240,0ptp4l0-21swapper/011:24:060
111391240,0ptp4l0-21swapper/011:03:090
111391240,0ptp4l0-21swapper/010:47:580
111391240,0ptp4l0-21swapper/010:36:290
111391240,0ptp4l0-21swapper/010:15:140
111391240,0ptp4l0-21swapper/010:10:120
111391240,0ptp4l0-21swapper/009:54:040
111391240,0ptp4l0-21swapper/008:40:150
111391230,0ptp4l3402-21ssh09:55:200
111391230,0ptp4l25-21ksoftirqd/108:30:111
111391230,0ptp4l0-21swapper/711:20:187
111391230,0ptp4l0-21swapper/711:19:517
111391230,0ptp4l0-21swapper/710:26:127
111391230,0ptp4l0-21swapper/710:26:127
111391230,0ptp4l0-21swapper/612:09:186
111391230,0ptp4l0-21swapper/611:00:216
111391230,0ptp4l0-21swapper/608:55:176
111391230,0ptp4l0-21swapper/512:22:495
111391230,0ptp4l0-21swapper/512:15:125
111391230,0ptp4l0-21swapper/512:10:115
111391230,0ptp4l0-21swapper/511:36:285
111391230,0ptp4l0-21swapper/510:57:335
111391230,0ptp4l0-21swapper/510:25:135
111391230,0ptp4l0-21swapper/510:25:125
111391230,0ptp4l0-21swapper/509:36:355
111391230,0ptp4l0-21swapper/509:05:115
111391230,0ptp4l0-21swapper/508:50:205
111391230,0ptp4l0-21swapper/508:40:185
111391230,0ptp4l0-21swapper/507:30:165
111391230,0ptp4l0-21swapper/507:10:115
111391230,0ptp4l0-21swapper/411:14:074
111391230,0ptp4l0-21swapper/411:08:254
111391230,0ptp4l0-21swapper/411:00:124
111391230,0ptp4l0-21swapper/410:45:514
111391230,0ptp4l0-21swapper/410:20:034
111391230,0ptp4l0-21swapper/410:10:184
111391230,0ptp4l0-21swapper/409:50:184
111391230,0ptp4l0-21swapper/409:45:134
111391230,0ptp4l0-21swapper/408:55:164
111391230,0ptp4l0-21swapper/408:50:304
111391230,0ptp4l0-21swapper/408:40:134
111391230,0ptp4l0-21swapper/408:25:154
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/407:50:194
111391230,0ptp4l0-21swapper/407:50:194
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/407:25:144
111391230,0ptp4l0-21swapper/310:43:073
111391230,0ptp4l0-21swapper/211:55:022
111391230,0ptp4l0-21swapper/211:00:202
111391230,0ptp4l0-21swapper/112:20:141
111391230,0ptp4l0-21swapper/112:15:141
111391230,0ptp4l0-21swapper/112:00:131
111391230,0ptp4l0-21swapper/111:40:111
111391230,0ptp4l0-21swapper/111:30:111
111391230,0ptp4l0-21swapper/111:10:131
111391230,0ptp4l0-21swapper/111:05:131
111391230,0ptp4l0-21swapper/111:03:251
111391230,0ptp4l0-21swapper/110:15:111
111391230,0ptp4l0-21swapper/109:58:171
111391230,0ptp4l0-21swapper/109:25:191
111391230,0ptp4l0-21swapper/109:10:121
111391230,0ptp4l0-21swapper/108:40:201
111391230,0ptp4l0-21swapper/108:25:191
111391230,0ptp4l0-21swapper/108:15:181
111391230,0ptp4l0-21swapper/108:10:151
111391230,0ptp4l0-21swapper/108:05:131
111391230,0ptp4l0-21swapper/107:20:111
111391230,0ptp4l0-21swapper/107:10:181
111391230,0ptp4l0-21swapper/012:30:110
111391230,0ptp4l0-21swapper/011:55:160
111391230,0ptp4l0-21swapper/011:11:420
111391230,0ptp4l0-21swapper/010:30:180
111391230,0ptp4l0-21swapper/010:30:180
111391230,0ptp4l0-21swapper/009:45:160
111391230,0ptp4l0-21swapper/008:35:140
111391230,0ptp4l0-21swapper/008:20:130
111391230,0ptp4l0-21swapper/007:55:160
111391220,0ptp4l0-21swapper/710:12:517
111391220,0ptp4l0-21swapper/709:51:367
111391220,0ptp4l0-21swapper/612:20:306
111391220,0ptp4l0-21swapper/611:55:006
111391220,0ptp4l0-21swapper/611:45:166
111391220,0ptp4l0-21swapper/610:34:586
111391220,0ptp4l0-21swapper/610:34:576
111391220,0ptp4l0-21swapper/610:22:466
111391220,0ptp4l0-21swapper/512:26:195
111391220,0ptp4l0-21swapper/512:06:375
111391220,0ptp4l0-21swapper/512:03:075
111391220,0ptp4l0-21swapper/510:54:535
111391220,0ptp4l0-21swapper/509:41:435
111391220,0ptp4l0-21swapper/509:25:405
111391220,0ptp4l0-21swapper/508:15:205
111391220,0ptp4l0-21swapper/409:05:194
111391220,0ptp4l0-21swapper/408:45:124
111391220,0ptp4l0-21swapper/408:30:174
111391220,0ptp4l0-21swapper/408:20:154
111391220,0ptp4l0-21swapper/408:13:114
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/407:20:214
111391220,0ptp4l0-21swapper/407:15:124
111391220,0ptp4l0-21swapper/311:40:523
111391220,0ptp4l0-21swapper/311:19:373
111391220,0ptp4l0-21swapper/310:39:553
111391220,0ptp4l0-21swapper/310:25:503
111391220,0ptp4l0-21swapper/310:25:493
111391220,0ptp4l0-21swapper/310:20:173
111391220,0ptp4l0-21swapper/309:12:233
111391220,0ptp4l0-21swapper/212:04:442
111391220,0ptp4l0-21swapper/209:56:202
111391220,0ptp4l0-21swapper/209:41:332
111391220,0ptp4l0-21swapper/208:55:192
111391220,0ptp4l0-21swapper/207:50:132
111391220,0ptp4l0-21swapper/207:50:132
111391220,0ptp4l0-21swapper/112:38:191
111391220,0ptp4l0-21swapper/112:28:121
111391220,0ptp4l0-21swapper/112:07:101
111391220,0ptp4l0-21swapper/110:52:421
111391220,0ptp4l0-21swapper/110:41:361
111391220,0ptp4l0-21swapper/110:31:071
111391220,0ptp4l0-21swapper/110:31:071
111391220,0ptp4l0-21swapper/110:25:101
111391220,0ptp4l0-21swapper/110:25:101
111391220,0ptp4l0-21swapper/110:21:251
111391220,0ptp4l0-21swapper/110:11:591
111391220,0ptp4l0-21swapper/110:03:571
111391220,0ptp4l0-21swapper/109:46:241
111391220,0ptp4l0-21swapper/109:36:371
111391220,0ptp4l0-21swapper/107:30:111
111391220,0ptp4l0-21swapper/010:29:070
111391220,0ptp4l0-21swapper/010:29:060
111391220,0ptp4l0-21swapper/009:15:340
111391220,0ptp4l0-21swapper/008:30:140
111391220,0ptp4l0-21swapper/008:25:110
111391220,0ptp4l0-21swapper/008:00:130
111391220,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/007:25:170
111391220,0ptp4l0-21swapper/007:14:520
111391210,5ptp4l0-21swapper/507:17:365
111391210,0ptp4l0-21swapper/709:12:247
111391210,0ptp4l0-21swapper/612:33:446
111391210,0ptp4l0-21swapper/612:16:156
111391210,0ptp4l0-21swapper/612:13:156
111391210,0ptp4l0-21swapper/611:28:446
111391210,0ptp4l0-21swapper/611:13:496
111391210,0ptp4l0-21swapper/609:46:556
111391210,0ptp4l0-21swapper/607:50:146
111391210,0ptp4l0-21swapper/607:50:146
111391210,0ptp4l0-21swapper/607:33:256
111391210,0ptp4l0-21swapper/512:31:335
111391210,0ptp4l0-21swapper/511:46:535
111391210,0ptp4l0-21swapper/511:26:125
111391210,0ptp4l0-21swapper/509:58:165
111391210,0ptp4l0-21swapper/509:46:295
111391210,0ptp4l0-21swapper/508:48:525
111391210,0ptp4l0-21swapper/508:27:415
111391210,0ptp4l0-21swapper/507:46:055
111391210,0ptp4l0-21swapper/507:46:055
111391210,0ptp4l0-21swapper/411:43:254
111391210,0ptp4l0-21swapper/410:57:244
111391210,0ptp4l0-21swapper/212:16:572
111391210,0ptp4l0-21swapper/211:27:122
111391210,0ptp4l0-21swapper/210:22:452
111391210,0ptp4l0-21swapper/110:08:491
111391210,0ptp4l0-21swapper/109:54:451
111391210,0ptp4l0-21swapper/109:41:481
111391210,0ptp4l0-21swapper/108:38:081
111391210,0ptp4l0-21swapper/107:29:121
111391210,0ptp4l0-21swapper/107:19:121
111391210,0ptp4l0-21swapper/011:42:010
111391210,0ptp4l0-21swapper/009:05:170
111391210,0ptp4l0-21swapper/008:45:160
111391210,0ptp4l0-21swapper/007:40:180
111391200,3ptp4l401ktimersoftd/312:15:233
111391200,0ptp4l0-21swapper/710:43:127
111391200,0ptp4l0-21swapper/612:04:456
111391200,0ptp4l0-21swapper/611:38:086
111391200,0ptp4l0-21swapper/608:26:036
111391200,0ptp4l0-21swapper/511:51:105
111391200,0ptp4l0-21swapper/509:04:485
111391200,0ptp4l0-21swapper/508:35:535
111391200,0ptp4l0-21swapper/507:36:135
111391200,0ptp4l0-21swapper/212:13:192
111391200,0ptp4l0-21swapper/211:13:532
111391200,0ptp4l0-21swapper/210:12:272
111391200,0ptp4l0-21swapper/112:31:471
111391200,0ptp4l0-21swapper/111:23:511
111391200,0ptp4l0-21swapper/107:42:391
111391200,0ptp4l0-21swapper/008:52:140
111391200,0ptp4l0-21swapper/008:05:210
111391200,0ptp4l0-21swapper/007:21:530
111391190,0ptp4l0-21swapper/712:15:237
111391190,0ptp4l0-21swapper/711:38:137
111391190,0ptp4l0-21swapper/511:23:545
111391190,0ptp4l0-21swapper/511:17:275
111391190,0ptp4l0-21swapper/510:11:545
111391190,0ptp4l0-21swapper/510:01:545
111391190,0ptp4l0-21swapper/408:19:564
111391190,0ptp4l0-21swapper/212:33:322
111391190,0ptp4l0-21swapper/210:59:062
111391190,0ptp4l0-21swapper/210:34:532
111391190,0ptp4l0-21swapper/210:34:532
111391190,0ptp4l0-21swapper/210:19:432
111391190,0ptp4l0-21swapper/209:46:512
111391190,0ptp4l0-21swapper/111:46:061
111391190,0ptp4l0-21swapper/111:25:441
111391190,0ptp4l0-21swapper/111:17:291
111391190,0ptp4l0-21swapper/108:58:141
111391190,0ptp4l0-21swapper/007:32:370
111391180,2ptp4l0-21swapper/208:31:122
111391180,0ptp4l0-21swapper/707:37:407
111391180,0ptp4l0-21swapper/611:09:326
111391180,0ptp4l0-21swapper/510:31:095
111391180,0ptp4l0-21swapper/510:31:095
111391180,0ptp4l0-21swapper/507:58:035
111391180,0ptp4l0-21swapper/212:09:172
111391180,0ptp4l0-21swapper/211:38:072
111391180,0ptp4l0-21swapper/209:19:022
111391180,0ptp4l0-21swapper/109:24:341
111391170,0ptp4l0-21swapper/710:39:507
111391170,0ptp4l0-21swapper/609:56:186
111391170,0ptp4l0-21swapper/609:41:316
111391170,0ptp4l0-21swapper/608:31:136
111391170,0ptp4l0-21swapper/509:24:345
111391170,0ptp4l0-21swapper/212:20:302
111391170,0ptp4l0-21swapper/211:54:582
111391170,0ptp4l0-21swapper/108:02:381
111391160,0ptp4l0-21swapper/610:59:096
111391160,0ptp4l0-21swapper/610:12:276
111391160,0ptp4l0-21swapper/510:38:425
111391160,0ptp4l0-21swapper/508:57:395
111391160,0ptp4l0-21swapper/507:28:325
111391160,0ptp4l0-21swapper/407:14:144
111391160,0ptp4l0-21swapper/207:42:132
111391160,0ptp4l0-21swapper/108:24:451
111391160,0ptp4l0-21swapper/107:58:401
111391160,0ptp4l0-21swapper/107:53:401
111391160,0ptp4l0-21swapper/107:53:401
111391160,0ptp4l0-21swapper/107:45:261
111391160,0ptp4l0-21swapper/107:45:251
111391160,0ptp4l0-21swapper/107:36:041
111391150,0ptp4l0-21swapper/707:59:017
111391150,0ptp4l0-21swapper/610:35:276
111391150,0ptp4l0-21swapper/610:17:576
111391150,0ptp4l0-21swapper/608:51:056
111391150,0ptp4l0-21swapper/608:19:216
111391150,0ptp4l0-21swapper/608:12:476
111391150,0ptp4l0-21swapper/607:41:556
111391150,0ptp4l0-21swapper/607:17:466
111391150,0ptp4l0-21swapper/508:20:555
111391150,0ptp4l0-21swapper/508:02:175
111391150,0ptp4l0-21swapper/307:59:023
111391150,0ptp4l0-21swapper/307:38:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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