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2026-07-13 - 23:47

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 Mon Jul 13, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/107:08:031
111391620,31ptp4l0-21swapper/007:06:310
2867525747,6sleep70-21swapper/707:07:027
205752570,0sleep70-21swapper/709:50:177
1881915745,7phc2sys0-21swapper/407:06:084
111391520,5ptp4l0-21swapper/507:05:495
2867024938,7sleep20-21swapper/207:06:572
2861524735,7sleep30-21swapper/307:06:093
2859224635,6sleep60-21swapper/607:05:566
2920499373,11cyclictest0-21swapper/411:05:154
29176993411,11cyclictest0-21swapper/011:05:150
111391340,0ptp4l0-21swapper/110:37:401
111391330,0ptp4l0-21swapper/010:40:090
111391310,0ptp4l0-21swapper/512:20:125
111391310,0ptp4l0-21swapper/411:00:104
111391310,0ptp4l0-21swapper/009:10:120
111391300,1ptp4l18126-21ssh11:51:577
111391300,0ptp4l9876-21ssh10:19:224
111391300,0ptp4l0-21swapper/510:56:575
111391300,0ptp4l0-21swapper/411:38:074
111391300,0ptp4l0-21swapper/410:20:124
111391300,0ptp4l0-21swapper/410:09:154
111391300,0ptp4l0-21swapper/410:01:114
111391300,0ptp4l0-21swapper/409:45:134
111391300,0ptp4l0-21swapper/112:16:551
111391300,0ptp4l0-21swapper/109:28:131
111391300,0ptp4l0-21swapper/108:55:201
111391300,0ptp4l0-21swapper/012:32:160
111391300,0ptp4l0-21swapper/012:01:100
111391300,0ptp4l0-21swapper/011:50:180
111391300,0ptp4l0-21swapper/011:13:040
111391300,0ptp4l0-21swapper/011:13:040
111391290,1ptp4l21620-21ssh12:38:305
111391290,0ptp4l0-21swapper/412:27:504
111391290,0ptp4l0-21swapper/411:55:004
111391290,0ptp4l0-21swapper/411:25:454
111391290,0ptp4l0-21swapper/410:29:224
111391290,0ptp4l0-21swapper/409:25:174
111391290,0ptp4l0-21swapper/012:19:090
111391290,0ptp4l0-21swapper/012:07:230
111391290,0ptp4l0-21swapper/010:05:020
111391290,0ptp4l0-21swapper/009:45:560
111391280,0ptp4l0-21swapper/412:36:004
111391280,0ptp4l0-21swapper/412:04:014
111391280,0ptp4l0-21swapper/411:49:244
111391280,0ptp4l0-21swapper/411:31:024
111391280,0ptp4l0-21swapper/411:16:224
111391280,0ptp4l0-21swapper/410:42:064
111391280,0ptp4l0-21swapper/410:36:414
111391280,0ptp4l0-21swapper/012:23:370
111391280,0ptp4l0-21swapper/011:49:120
111391280,0ptp4l0-21swapper/009:18:080
111391270,3ptp4l0-21swapper/011:36:190
111391270,2ptp4l0-21swapper/009:36:420
111391270,1ptp4l10999-21latency_hist07:40:000
111391270,0ptp4l0-21swapper/612:34:536
111391270,0ptp4l0-21swapper/511:47:545
111391270,0ptp4l0-21swapper/511:23:045
111391270,0ptp4l0-21swapper/412:08:014
111391270,0ptp4l0-21swapper/411:21:354
111391270,0ptp4l0-21swapper/409:37:464
111391270,0ptp4l0-21swapper/409:32:284
111391270,0ptp4l0-21swapper/409:23:544
111391270,0ptp4l0-21swapper/011:32:330
111391270,0ptp4l0-21swapper/011:00:390
111391270,0ptp4l0-21swapper/010:58:590
111391270,0ptp4l0-21swapper/010:52:290
111391270,0ptp4l0-21swapper/010:17:400
111391260,3ptp4l321ktimersoftd/212:09:142
111391260,1ptp4l2165-21cut08:30:120
111391260,1ptp4l15822-21latency_hist07:50:004
111391260,0ptp4l0-21swapper/511:31:315
111391260,0ptp4l0-21swapper/412:34:374
111391260,0ptp4l0-21swapper/411:44:544
111391260,0ptp4l0-21swapper/411:12:234
111391260,0ptp4l0-21swapper/411:12:234
111391260,0ptp4l0-21swapper/410:57:124
111391260,0ptp4l0-21swapper/410:50:314
111391260,0ptp4l0-21swapper/409:55:504
111391260,0ptp4l0-21swapper/409:43:354
111391260,0ptp4l0-21swapper/409:19:374
111391260,0ptp4l0-21swapper/409:14:144
111391260,0ptp4l0-21swapper/409:00:204
111391260,0ptp4l0-21swapper/407:35:184
111391260,0ptp4l0-21swapper/310:48:223
111391260,0ptp4l0-21swapper/012:39:200
111391260,0ptp4l0-21swapper/010:13:520
111391250,2ptp4l561ktimersoftd/510:53:485
111391250,2ptp4l0-21swapper/007:32:210
111391250,0ptp4l0-21swapper/710:48:307
111391250,0ptp4l0-21swapper/608:50:206
111391250,0ptp4l0-21swapper/511:43:265
111391250,0ptp4l0-21swapper/510:39:185
111391250,0ptp4l0-21swapper/510:30:165
111391250,0ptp4l0-21swapper/510:11:175
111391250,0ptp4l0-21swapper/510:06:135
111391250,0ptp4l0-21swapper/509:24:165
111391250,0ptp4l0-21swapper/412:22:304
111391250,0ptp4l0-21swapper/412:17:084
111391250,0ptp4l0-21swapper/411:57:324
111391250,0ptp4l0-21swapper/409:50:194
111391250,0ptp4l0-21swapper/309:41:343
111391250,0ptp4l0-21swapper/112:23:461
111391250,0ptp4l0-21swapper/111:05:281
111391250,0ptp4l0-21swapper/012:14:020
111391250,0ptp4l0-21swapper/011:40:110
111391250,0ptp4l0-21swapper/011:15:390
111391250,0ptp4l0-21swapper/010:37:550
111391250,0ptp4l0-21swapper/010:30:110
111391250,0ptp4l0-21swapper/010:21:050
111391250,0ptp4l0-21swapper/009:54:250
111391250,0ptp4l0-21swapper/007:10:160
111391240,1ptp4l9015-21tr08:45:134
111391240,1ptp4l9015-21tr08:45:124
111391240,1ptp4l6827-21df08:40:111
111391240,1ptp4l6827-21df08:40:101
111391240,1ptp4l30310-21df_inode10:45:130
111391240,1ptp4l18648-21hddtemp_smartct10:30:134
111391240,1ptp4l16310-21timerwakeupswit12:30:211
111391240,0ptp4l0-21swapper/609:47:506
111391240,0ptp4l0-21swapper/512:10:145
111391240,0ptp4l0-21swapper/511:53:055
111391240,0ptp4l0-21swapper/510:15:205
111391240,0ptp4l0-21swapper/412:13:064
111391240,0ptp4l0-21swapper/410:13:174
111391240,0ptp4l0-21swapper/408:05:144
111391240,0ptp4l0-21swapper/407:40:204
111391240,0ptp4l0-21swapper/110:26:321
111391240,0ptp4l0-21swapper/109:43:081
111391240,0ptp4l0-21swapper/108:00:141
111391240,0ptp4l0-21swapper/011:25:170
111391240,0ptp4l0-21swapper/010:00:030
111391240,0ptp4l0-21swapper/009:55:130
111391240,0ptp4l0-21swapper/009:30:150
111391240,0ptp4l0-21swapper/009:27:050
111391240,0ptp4l0-21swapper/009:24:070
111391240,0ptp4l0-21swapper/009:00:200
111391240,0ptp4l0-21swapper/008:05:190
111391240,0ptp4l0-21swapper/007:52:300
111391240,0ptp4l0-21swapper/007:25:210
111391240,0ptp4l0-21swapper/007:20:110
111391230,0ptp4l0-21swapper/511:55:145
111391230,0ptp4l0-21swapper/510:25:215
111391230,0ptp4l0-21swapper/509:35:005
111391230,0ptp4l0-21swapper/509:25:125
111391230,0ptp4l0-21swapper/508:40:185
111391230,0ptp4l0-21swapper/508:40:185
111391230,0ptp4l0-21swapper/508:00:155
111391230,0ptp4l0-21swapper/507:55:185
111391230,0ptp4l0-21swapper/507:40:175
111391230,0ptp4l0-21swapper/410:45:164
111391230,0ptp4l0-21swapper/408:55:174
111391230,0ptp4l0-21swapper/408:40:144
111391230,0ptp4l0-21swapper/408:40:144
111391230,0ptp4l0-21swapper/408:25:184
111391230,0ptp4l0-21swapper/408:20:124
111391230,0ptp4l0-21swapper/408:15:164
111391230,0ptp4l0-21swapper/408:10:104
111391230,0ptp4l0-21swapper/407:50:214
111391230,0ptp4l0-21swapper/407:30:194
111391230,0ptp4l0-21swapper/407:25:154
111391230,0ptp4l0-21swapper/407:15:184
111391230,0ptp4l0-21swapper/309:56:263
111391230,0ptp4l0-21swapper/210:28:152
111391230,0ptp4l0-21swapper/208:50:122
111391230,0ptp4l0-21swapper/112:35:171
111391230,0ptp4l0-21swapper/112:10:171
111391230,0ptp4l0-21swapper/112:00:191
111391230,0ptp4l0-21swapper/111:55:131
111391230,0ptp4l0-21swapper/111:30:191
111391230,0ptp4l0-21swapper/110:51:281
111391230,0ptp4l0-21swapper/110:15:191
111391230,0ptp4l0-21swapper/012:27:590
111391230,0ptp4l0-21swapper/011:55:250
111391230,0ptp4l0-21swapper/009:40:160
111391230,0ptp4l0-21swapper/009:05:170
111391230,0ptp4l0-21swapper/008:35:120
111391230,0ptp4l0-21swapper/008:15:220
111391230,0ptp4l0-21swapper/008:00:170
111391230,0ptp4l0-21swapper/007:55:160
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:15:000
111391220,3ptp4l0-21swapper/407:10:054
111391220,1ptp4l18324-21fw_forwarded_lo09:05:134
111391220,0ptp4l0-21swapper/612:17:456
111391220,0ptp4l0-21swapper/611:50:316
111391220,0ptp4l0-21swapper/611:35:126
111391220,0ptp4l0-21swapper/611:27:136
111391220,0ptp4l0-21swapper/609:13:516
111391220,0ptp4l0-21swapper/512:32:295
111391220,0ptp4l0-21swapper/512:25:425
111391220,0ptp4l0-21swapper/511:36:485
111391220,0ptp4l0-21swapper/511:05:285
111391220,0ptp4l0-21swapper/509:56:345
111391220,0ptp4l0-21swapper/509:50:165
111391220,0ptp4l0-21swapper/509:45:235
111391220,0ptp4l0-21swapper/509:39:545
111391220,0ptp4l0-21swapper/509:18:185
111391220,0ptp4l0-21swapper/509:13:425
111391220,0ptp4l0-21swapper/509:05:215
111391220,0ptp4l0-21swapper/508:55:215
111391220,0ptp4l0-21swapper/508:25:005
111391220,0ptp4l0-21swapper/508:17:595
111391220,0ptp4l0-21swapper/507:30:005
111391220,0ptp4l0-21swapper/408:30:224
111391220,0ptp4l0-21swapper/408:00:134
111391220,0ptp4l0-21swapper/407:55:004
111391220,0ptp4l0-21swapper/407:20:164
111391220,0ptp4l0-21swapper/311:52:253
111391220,0ptp4l0-21swapper/212:34:562
111391220,0ptp4l0-21swapper/211:35:132
111391220,0ptp4l0-21swapper/211:27:352
111391220,0ptp4l0-21swapper/209:31:452
111391220,0ptp4l0-21swapper/209:13:202
111391220,0ptp4l0-21swapper/112:09:111
111391220,0ptp4l0-21swapper/111:47:361
111391220,0ptp4l0-21swapper/111:36:291
111391220,0ptp4l0-21swapper/111:29:191
111391220,0ptp4l0-21swapper/111:21:151
111391220,0ptp4l0-21swapper/111:19:461
111391220,0ptp4l0-21swapper/111:12:301
111391220,0ptp4l0-21swapper/111:12:291
111391220,0ptp4l0-21swapper/111:04:421
111391220,0ptp4l0-21swapper/110:06:101
111391220,0ptp4l0-21swapper/110:03:491
111391220,0ptp4l0-21swapper/109:50:111
111391220,0ptp4l0-21swapper/109:39:511
111391220,0ptp4l0-21swapper/109:32:181
111391220,0ptp4l0-21swapper/109:05:201
111391220,0ptp4l0-21swapper/109:00:111
111391220,0ptp4l0-21swapper/108:35:111
111391220,0ptp4l0-21swapper/108:13:151
111391220,0ptp4l0-21swapper/107:55:171
111391220,0ptp4l0-21swapper/107:40:151
111391220,0ptp4l0-21swapper/107:39:331
111391220,0ptp4l0-21swapper/011:20:140
111391220,0ptp4l0-21swapper/010:25:000
111391220,0ptp4l0-21swapper/008:55:210
111391220,0ptp4l0-21swapper/008:45:140
111391220,0ptp4l0-21swapper/008:45:140
111391220,0ptp4l0-21swapper/008:40:110
111391220,0ptp4l0-21swapper/008:40:100
111391220,0ptp4l0-21swapper/008:25:160
111391220,0ptp4l0-21swapper/008:20:140
111391220,0ptp4l0-21swapper/008:10:190
111391210,0ptp4l0-21swapper/710:13:267
111391210,0ptp4l0-21swapper/709:56:207
111391210,0ptp4l0-21swapper/709:41:127
111391210,0ptp4l0-21swapper/707:59:127
111391210,0ptp4l0-21swapper/612:09:166
111391210,0ptp4l0-21swapper/611:02:326
111391210,0ptp4l0-21swapper/512:15:415
111391210,0ptp4l0-21swapper/512:05:345
111391210,0ptp4l0-21swapper/512:02:105
111391210,0ptp4l0-21swapper/511:26:305
111391210,0ptp4l0-21swapper/511:18:295
111391210,0ptp4l0-21swapper/511:12:055
111391210,0ptp4l0-21swapper/511:12:045
111391210,0ptp4l0-21swapper/511:00:295
111391210,0ptp4l0-21swapper/510:20:345
111391210,0ptp4l0-21swapper/510:02:285
111391210,0ptp4l0-21swapper/509:42:075
111391210,0ptp4l0-21swapper/408:35:204
111391210,0ptp4l0-21swapper/310:13:333
111391210,0ptp4l0-21swapper/309:16:253
111391210,0ptp4l0-21swapper/308:00:003
111391210,0ptp4l0-21swapper/212:17:462
111391210,0ptp4l0-21swapper/211:50:302
111391210,0ptp4l0-21swapper/209:47:582
111391210,0ptp4l0-21swapper/209:42:192
111391210,0ptp4l0-21swapper/111:50:081
111391210,0ptp4l0-21swapper/111:41:281
111391210,0ptp4l0-21swapper/110:55:541
111391210,0ptp4l0-21swapper/110:41:331
111391210,0ptp4l0-21swapper/110:30:171
111391210,0ptp4l0-21swapper/110:11:181
111391210,0ptp4l0-21swapper/109:58:031
111391210,0ptp4l0-21swapper/109:21:241
111391210,0ptp4l0-21swapper/109:16:091
111391210,0ptp4l0-21swapper/109:13:451
111391210,0ptp4l0-21swapper/108:22:041
111391210,0ptp4l0-21swapper/007:40:120
111391200,0ptp4l0-21swapper/609:31:466
111391200,0ptp4l0-21swapper/510:49:375
111391200,0ptp4l0-21swapper/408:51:164
111391200,0ptp4l0-21swapper/211:12:272
111391200,0ptp4l0-21swapper/211:12:262
111391200,0ptp4l0-21swapper/210:57:182
111391200,0ptp4l0-21swapper/210:14:412
111391200,0ptp4l0-21swapper/209:58:012
111391200,0ptp4l0-21swapper/207:23:052
111391200,0ptp4l0-21swapper/110:45:311
111391200,0ptp4l0-21swapper/109:45:021
111391200,0ptp4l0-21swapper/108:18:141
111391200,0ptp4l0-21swapper/008:51:130
111391190,0ptp4l0-21swapper/610:28:166
111391190,0ptp4l0-21swapper/610:14:436
111391190,0ptp4l0-21swapper/609:42:196
111391190,0ptp4l0-21swapper/510:40:585
111391190,0ptp4l0-21swapper/508:46:145
111391190,0ptp4l0-21swapper/508:46:135
111391190,0ptp4l0-21swapper/508:07:175
111391190,0ptp4l0-21swapper/507:35:305
111391190,0ptp4l0-21swapper/110:20:331
111391180,0ptp4l0-21swapper/107:51:111
111391180,0ptp4l0-21swapper/107:47:181
161402170,0sleep20-21swapper/207:50:132
111391170,2ptp4l0-21swapper/107:12:271
111391170,0ptp4l0-21swapper/709:16:207
111391170,0ptp4l0-21swapper/612:03:446
111391170,0ptp4l0-21swapper/508:36:405
111391170,0ptp4l0-21swapper/211:02:292
111391170,0ptp4l0-21swapper/208:59:042
111391170,0ptp4l0-21swapper/112:29:051
111391160,0ptp4l0-21swapper/611:12:506
111391160,0ptp4l0-21swapper/611:12:496
111391160,0ptp4l0-21swapper/607:24:086
111391160,0ptp4l0-21swapper/508:21:335
111391160,0ptp4l0-21swapper/307:59:323
111391160,0ptp4l0-21swapper/212:03:452
111391160,0ptp4l0-21swapper/207:41:412
111391160,0ptp4l0-21swapper/108:47:221
111391160,0ptp4l0-21swapper/108:47:211
111391160,0ptp4l0-21swapper/108:25:061
111391160,0ptp4l0-21swapper/108:05:531
111391160,0ptp4l0-21swapper/107:34:241
111391160,0ptp4l0-21swapper/107:20:411
29199991513,1cyclictest0-21swapper/312:20:153
111391150,0ptp4l0-21swapper/708:00:047
111391150,0ptp4l0-21swapper/707:52:357
111391150,0ptp4l0-21swapper/609:07:086
111391150,0ptp4l0-21swapper/609:03:136
111391150,0ptp4l0-21swapper/608:59:046
111391150,0ptp4l0-21swapper/608:37:156
111391150,0ptp4l0-21swapper/608:17:326
111391150,0ptp4l0-21swapper/608:04:306
111391150,0ptp4l0-21swapper/607:40:356
111391150,0ptp4l0-21swapper/607:36:376
111391150,0ptp4l0-21swapper/607:31:076
111391150,0ptp4l0-21swapper/509:00:315
111391150,0ptp4l0-21swapper/508:34:245
111391150,0ptp4l0-21swapper/508:11:255
111391150,0ptp4l0-21swapper/507:53:415
111391150,0ptp4l0-21swapper/507:45:365
111391150,0ptp4l0-21swapper/507:26:155
111391150,0ptp4l0-21swapper/507:20:435
111391150,0ptp4l0-21swapper/507:17:025
111391150,0ptp4l0-21swapper/507:10:365
111391150,0ptp4l0-21swapper/209:01:122
111391150,0ptp4l0-21swapper/208:19:302
111391150,0ptp4l0-21swapper/208:00:302
111391150,0ptp4l0-21swapper/108:52:251
111391150,0ptp4l0-21swapper/108:30:361
111391150,0ptp4l0-21swapper/107:26:141
111391150,0ptp4l0-21swapper/107:17:021
111391140,0ptp4l0-21swapper/608:30:316
111391140,0ptp4l0-21swapper/607:48:306
111391140,0ptp4l0-21swapper/508:52:275
111391140,0ptp4l0-21swapper/307:52:323
111391140,0ptp4l0-21swapper/209:18:142
111391140,0ptp4l0-21swapper/209:06:552
111391140,0ptp4l0-21swapper/208:37:132
111391140,0ptp4l0-21swapper/208:30:312
111391140,0ptp4l0-21swapper/207:48:322
111391140,0ptp4l0-21swapper/207:36:322
111391140,0ptp4l0-21swapper/207:31:072
55802130,1sleep7711rcuc/711:35:197
2922599130,1cyclictest0-21swapper/711:10:147
2922599130,1cyclictest0-21swapper/711:10:147
29225991210,1cyclictest0-21swapper/712:15:167
2919199120,1cyclictest0-21swapper/211:05:122
2919999110,10cyclictest0-21swapper/311:09:483
2919999110,10cyclictest0-21swapper/310:04:453
2919199110,1cyclictest0-21swapper/211:48:232
2919199110,1cyclictest0-21swapper/210:50:512
2919199110,1cyclictest0-21swapper/210:40:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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