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2026-07-31 - 19:33

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 Jul 31, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,5ptp4l0-21swapper/007:06:420
111391620,29ptp4l0-21swapper/107:07:591
111391570,5ptp4l0-21swapper/407:05:104
1881915634,7phc2sys0-21swapper/207:07:512
280352550,0sleep20-21swapper/207:20:152
2181125433,7sleep50-21swapper/507:09:385
2166325140,6sleep70-21swapper/707:07:487
2158024938,7sleep60-21swapper/607:06:436
2147824636,6sleep30-21swapper/307:05:273
111391330,0ptp4l0-21swapper/509:30:015
111391320,4ptp4l0-21swapper/512:20:205
111391320,1ptp4l17825-21smartctl12:10:185
111391320,0ptp4l0-21swapper/111:45:201
111391310,0ptp4l0-21swapper/512:35:405
111391310,0ptp4l0-21swapper/511:42:005
111391310,0ptp4l0-21swapper/511:03:545
111391300,0ptp4l0-21swapper/710:46:527
111391300,0ptp4l0-21swapper/710:44:347
111391300,0ptp4l0-21swapper/509:47:275
111391300,0ptp4l0-21swapper/207:10:172
111391290,4ptp4l0-21swapper/512:15:595
111391290,2ptp4l0-21swapper/510:24:015
111391290,2ptp4l0-21swapper/510:24:005
111391290,0ptp4l0-21swapper/112:17:131
111391290,0ptp4l0-21swapper/109:49:261
111391280,1ptp4l12870-21diskmemload11:55:555
111391280,0ptp4l0-21swapper/712:12:527
111391280,0ptp4l0-21swapper/512:30:455
111391280,0ptp4l0-21swapper/408:10:164
111391280,0ptp4l0-21swapper/112:33:081
111391280,0ptp4l0-21swapper/109:25:041
111391270,1ptp4l33-21ksoftirqd/211:50:172
111391270,0ptp4l0-21swapper/510:16:385
111391270,0ptp4l0-21swapper/509:58:195
111391270,0ptp4l0-21swapper/310:44:093
111391270,0ptp4l0-21swapper/109:37:531
111391270,0ptp4l0-21swapper/109:34:151
111391270,0ptp4l0-21swapper/010:06:410
111391270,0ptp4l0-21swapper/009:48:080
111391260,0ptp4l0-21swapper/512:01:275
111391260,0ptp4l0-21swapper/511:18:335
111391260,0ptp4l0-21swapper/511:15:005
111391260,0ptp4l0-21swapper/510:02:425
111391260,0ptp4l0-21swapper/509:10:005
111391260,0ptp4l0-21swapper/409:12:014
111391260,0ptp4l0-21swapper/312:13:043
111391260,0ptp4l0-21swapper/112:36:241
111391260,0ptp4l0-21swapper/112:20:161
111391260,0ptp4l0-21swapper/111:54:231
111391260,0ptp4l0-21swapper/111:39:171
111391260,0ptp4l0-21swapper/111:25:111
111391260,0ptp4l0-21swapper/110:42:201
111391260,0ptp4l0-21swapper/110:35:001
111391260,0ptp4l0-21swapper/108:55:001
111391250,1ptp4l2361-21diskstats11:50:124
111391250,1ptp4l14793-21df09:55:121
111391250,0ptp4l0-21swapper/711:01:497
111391250,0ptp4l0-21swapper/710:25:207
111391250,0ptp4l0-21swapper/512:27:005
111391250,0ptp4l0-21swapper/511:49:275
111391250,0ptp4l0-21swapper/510:49:285
111391250,0ptp4l0-21swapper/510:35:215
111391250,0ptp4l0-21swapper/510:12:335
111391250,0ptp4l0-21swapper/510:09:395
111391250,0ptp4l0-21swapper/509:36:455
111391250,0ptp4l0-21swapper/509:25:115
111391250,0ptp4l0-21swapper/507:15:105
111391250,0ptp4l0-21swapper/412:25:144
111391250,0ptp4l0-21swapper/410:43:004
111391250,0ptp4l0-21swapper/110:36:461
111391250,0ptp4l0-21swapper/110:29:151
111391250,0ptp4l0-21swapper/110:13:251
111391250,0ptp4l0-21swapper/110:05:131
111391250,0ptp4l0-21swapper/108:25:191
111391250,0ptp4l0-21swapper/108:16:141
111391250,0ptp4l0-21swapper/012:14:440
111391240,2ptp4l0-21swapper/511:09:265
111391240,1ptp4l4648-21fw_conntrack10:25:133
111391240,1ptp4l32547-21munin-run10:20:000
111391240,1ptp4l23450-21missed_timers08:20:174
111391240,1ptp4l18206-21processes09:15:170
111391240,1ptp4l13589-21ssh09:53:320
111391240,0ptp4l0-21swapper/610:06:556
111391240,0ptp4l0-21swapper/512:08:025
111391240,0ptp4l0-21swapper/511:52:095
111391240,0ptp4l0-21swapper/511:36:445
111391240,0ptp4l0-21swapper/509:20:145
111391240,0ptp4l0-21swapper/508:30:125
111391240,0ptp4l0-21swapper/508:20:135
111391240,0ptp4l0-21swapper/508:10:155
111391240,0ptp4l0-21swapper/508:00:115
111391240,0ptp4l0-21swapper/507:50:245
111391240,0ptp4l0-21swapper/507:50:005
111391240,0ptp4l0-21swapper/507:50:005
111391240,0ptp4l0-21swapper/412:11:204
111391240,0ptp4l0-21swapper/411:39:374
111391240,0ptp4l0-21swapper/411:00:214
111391240,0ptp4l0-21swapper/409:53:034
111391240,0ptp4l0-21swapper/112:25:191
111391240,0ptp4l0-21swapper/111:30:161
111391240,0ptp4l0-21swapper/110:50:121
111391240,0ptp4l0-21swapper/110:48:111
111391240,0ptp4l0-21swapper/110:23:271
111391240,0ptp4l0-21swapper/110:23:271
111391240,0ptp4l0-21swapper/109:21:251
111391240,0ptp4l0-21swapper/109:10:131
111391240,0ptp4l0-21swapper/108:05:151
111391240,0ptp4l0-21swapper/107:15:111
111391240,0ptp4l0-21swapper/010:47:470
111391230,2ptp4l0-21swapper/610:32:226
111391230,1ptp4l8749-21cat09:00:125
111391230,1ptp4l13793-21ssh10:36:500
111391230,0ptp4l0-21swapper/611:05:176
111391230,0ptp4l0-21swapper/511:30:115
111391230,0ptp4l0-21swapper/511:20:165
111391230,0ptp4l0-21swapper/510:55:185
111391230,0ptp4l0-21swapper/510:50:195
111391230,0ptp4l0-21swapper/510:40:125
111391230,0ptp4l0-21swapper/510:30:175
111391230,0ptp4l0-21swapper/509:50:175
111391230,0ptp4l0-21swapper/509:40:135
111391230,0ptp4l0-21swapper/509:18:285
111391230,0ptp4l0-21swapper/509:05:135
111391230,0ptp4l0-21swapper/508:50:145
111391230,0ptp4l0-21swapper/508:45:005
111391230,0ptp4l0-21swapper/508:25:155
111391230,0ptp4l0-21swapper/508:15:225
111391230,0ptp4l0-21swapper/507:55:205
111391230,0ptp4l0-21swapper/507:10:135
111391230,0ptp4l0-21swapper/412:35:184
111391230,0ptp4l0-21swapper/412:34:364
111391230,0ptp4l0-21swapper/412:15:184
111391230,0ptp4l0-21swapper/411:45:194
111391230,0ptp4l0-21swapper/411:29:594
111391230,0ptp4l0-21swapper/411:22:154
111391230,0ptp4l0-21swapper/411:06:404
111391230,0ptp4l0-21swapper/410:30:184
111391230,0ptp4l0-21swapper/410:20:194
111391230,0ptp4l0-21swapper/410:20:184
111391230,0ptp4l0-21swapper/410:12:054
111391230,0ptp4l0-21swapper/409:20:184
111391230,0ptp4l0-21swapper/409:15:174
111391230,0ptp4l0-21swapper/408:35:204
111391230,0ptp4l0-21swapper/408:25:174
111391230,0ptp4l0-21swapper/312:02:493
111391230,0ptp4l0-21swapper/310:45:123
111391230,0ptp4l0-21swapper/211:05:112
111391230,0ptp4l0-21swapper/210:32:382
111391230,0ptp4l0-21swapper/207:37:072
111391230,0ptp4l0-21swapper/112:10:141
111391230,0ptp4l0-21swapper/112:05:121
111391230,0ptp4l0-21swapper/112:04:151
111391230,0ptp4l0-21swapper/111:55:131
111391230,0ptp4l0-21swapper/111:40:241
111391230,0ptp4l0-21swapper/111:15:141
111391230,0ptp4l0-21swapper/110:55:131
111391230,0ptp4l0-21swapper/110:15:201
111391230,0ptp4l0-21swapper/110:00:191
111391230,0ptp4l0-21swapper/109:50:191
111391230,0ptp4l0-21swapper/109:40:191
111391230,0ptp4l0-21swapper/109:17:151
111391230,0ptp4l0-21swapper/108:45:131
111391230,0ptp4l0-21swapper/108:35:121
111391230,0ptp4l0-21swapper/108:30:131
111391230,0ptp4l0-21swapper/108:20:211
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:55:131
111391230,0ptp4l0-21swapper/107:50:191
111391230,0ptp4l0-21swapper/107:45:131
111391230,0ptp4l0-21swapper/107:45:131
111391230,0ptp4l0-21swapper/107:30:131
111391230,0ptp4l0-21swapper/012:29:550
111391230,0ptp4l0-21swapper/012:20:120
111391230,0ptp4l0-21swapper/011:25:190
111391230,0ptp4l0-21swapper/011:00:130
111391230,0ptp4l0-21swapper/010:58:020
111391230,0ptp4l0-21swapper/010:20:330
111391230,0ptp4l0-21swapper/010:20:330
111391230,0ptp4l0-21swapper/009:40:160
111391230,0ptp4l0-21swapper/009:35:180
111391220,1ptp4l28734-21ssh10:57:376
111391220,0ptp4l0-21swapper/712:02:497
111391220,0ptp4l0-21swapper/611:50:176
111391220,0ptp4l0-21swapper/611:32:066
111391220,0ptp4l0-21swapper/511:25:125
111391220,0ptp4l0-21swapper/510:25:415
111391220,0ptp4l0-21swapper/508:55:175
111391220,0ptp4l0-21swapper/508:45:155
111391220,0ptp4l0-21swapper/508:05:185
111391220,0ptp4l0-21swapper/507:35:215
111391220,0ptp4l0-21swapper/507:30:125
111391220,0ptp4l0-21swapper/507:25:175
111391220,0ptp4l0-21swapper/507:20:185
111391220,0ptp4l0-21swapper/412:07:154
111391220,0ptp4l0-21swapper/412:03:444
111391220,0ptp4l0-21swapper/411:58:534
111391220,0ptp4l0-21swapper/411:40:434
111391220,0ptp4l0-21swapper/411:30:134
111391220,0ptp4l0-21swapper/410:49:304
111391220,0ptp4l0-21swapper/410:40:004
111391220,0ptp4l0-21swapper/410:28:294
111391220,0ptp4l0-21swapper/410:06:294
111391220,0ptp4l0-21swapper/409:45:024
111391220,0ptp4l0-21swapper/409:31:124
111391220,0ptp4l0-21swapper/409:28:334
111391220,0ptp4l0-21swapper/409:05:194
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/408:05:214
111391220,0ptp4l0-21swapper/311:02:143
111391220,0ptp4l0-21swapper/310:24:453
111391220,0ptp4l0-21swapper/310:24:453
111391220,0ptp4l0-21swapper/211:32:112
111391220,0ptp4l0-21swapper/210:18:302
111391220,0ptp4l0-21swapper/210:11:312
111391220,0ptp4l0-21swapper/210:06:582
111391220,0ptp4l0-21swapper/111:20:011
111391220,0ptp4l0-21swapper/111:10:091
111391220,0ptp4l0-21swapper/111:05:481
111391220,0ptp4l0-21swapper/111:00:181
111391220,0ptp4l0-21swapper/109:05:121
111391220,0ptp4l0-21swapper/109:00:121
111391220,0ptp4l0-21swapper/108:55:121
111391220,0ptp4l0-21swapper/108:40:191
111391220,0ptp4l0-21swapper/108:10:151
111391220,0ptp4l0-21swapper/107:35:201
111391220,0ptp4l0-21swapper/107:25:151
111391220,0ptp4l0-21swapper/107:20:171
111391220,0ptp4l0-21swapper/107:10:121
111391220,0ptp4l0-21swapper/012:17:590
111391220,0ptp4l0-21swapper/011:56:590
111391220,0ptp4l0-21swapper/011:50:130
111391220,0ptp4l0-21swapper/011:49:130
111391220,0ptp4l0-21swapper/011:41:550
111391220,0ptp4l0-21swapper/011:35:130
111391220,0ptp4l0-21swapper/011:30:120
111391220,0ptp4l0-21swapper/011:22:370
111391220,0ptp4l0-21swapper/011:05:330
111391220,0ptp4l0-21swapper/010:40:560
111391220,0ptp4l0-21swapper/010:30:120
111391220,0ptp4l0-21swapper/010:10:350
111391220,0ptp4l0-21swapper/010:02:350
111391220,0ptp4l0-21swapper/009:28:320
111391220,0ptp4l0-21swapper/008:55:120
111391220,0ptp4l0-21swapper/008:35:170
111391220,0ptp4l0-21swapper/008:20:170
111391220,0ptp4l0-21swapper/008:10:120
111391220,0ptp4l0-21swapper/007:33:190
111391220,0ptp4l0-21swapper/007:15:140
111391210,0ptp4l0-21swapper/611:46:536
111391210,0ptp4l0-21swapper/610:11:296
111391210,0ptp4l0-21swapper/609:17:356
111391210,0ptp4l0-21swapper/609:12:116
111391210,0ptp4l0-21swapper/607:57:156
111391210,0ptp4l0-21swapper/607:34:196
111391210,0ptp4l0-21swapper/508:35:015
111391210,0ptp4l0-21swapper/507:40:155
111391210,0ptp4l0-21swapper/507:40:155
111391210,0ptp4l0-21swapper/411:11:424
111391210,0ptp4l0-21swapper/410:58:124
111391210,0ptp4l0-21swapper/410:52:574
111391210,0ptp4l0-21swapper/410:16:594
111391210,0ptp4l0-21swapper/409:59:074
111391210,0ptp4l0-21swapper/409:35:174
111391210,0ptp4l0-21swapper/408:55:154
111391210,0ptp4l0-21swapper/407:50:224
111391210,0ptp4l0-21swapper/209:46:072
111391210,0ptp4l0-21swapper/209:24:332
111391210,0ptp4l0-21swapper/209:17:362
111391210,0ptp4l0-21swapper/209:12:102
111391210,0ptp4l0-21swapper/107:40:171
111391210,0ptp4l0-21swapper/107:40:171
111391210,0ptp4l0-21swapper/012:38:290
111391210,0ptp4l0-21swapper/012:34:080
111391210,0ptp4l0-21swapper/012:06:550
111391210,0ptp4l0-21swapper/012:02:260
111391210,0ptp4l0-21swapper/011:12:390
111391210,0ptp4l0-21swapper/010:50:210
111391210,0ptp4l0-21swapper/009:55:190
111391210,0ptp4l0-21swapper/009:31:370
111391210,0ptp4l0-21swapper/009:10:400
111391210,0ptp4l0-21swapper/009:08:560
111391210,0ptp4l0-21swapper/007:40:240
111391210,0ptp4l0-21swapper/007:40:240
111391200,0ptp4l0-21swapper/710:24:437
111391200,0ptp4l0-21swapper/710:24:437
111391200,0ptp4l0-21swapper/708:48:427
111391200,0ptp4l0-21swapper/611:26:156
111391200,0ptp4l0-21swapper/610:18:296
111391200,0ptp4l0-21swapper/608:56:146
111391200,0ptp4l0-21swapper/412:20:554
111391200,0ptp4l0-21swapper/410:01:194
111391200,0ptp4l0-21swapper/409:40:334
111391200,0ptp4l0-21swapper/409:01:044
111391200,0ptp4l0-21swapper/408:32:404
111391200,0ptp4l0-21swapper/407:40:234
111391200,0ptp4l0-21swapper/407:40:234
111391200,0ptp4l0-21swapper/407:34:004
111391200,0ptp4l0-21swapper/407:25:144
111391200,0ptp4l0-21swapper/212:34:172
111391200,0ptp4l0-21swapper/211:46:432
111391200,0ptp4l0-21swapper/211:38:322
111391200,0ptp4l0-21swapper/210:57:472
111391200,0ptp4l0-21swapper/009:20:090
111391200,0ptp4l0-21swapper/007:37:060
111391190,0ptp4l0-21swapper/612:34:216
111391190,0ptp4l0-21swapper/610:01:476
111391190,0ptp4l0-21swapper/609:46:086
111391190,0ptp4l0-21swapper/609:24:386
111391190,0ptp4l0-21swapper/411:16:054
111391190,0ptp4l0-21swapper/212:09:302
111391190,0ptp4l0-21swapper/210:01:472
111391190,0ptp4l0-21swapper/207:59:552
111391190,0ptp4l0-21swapper/011:16:060
111391190,0ptp4l0-21swapper/010:28:280
111391190,0ptp4l0-21swapper/008:00:190
222172180,0sleep30-21swapper/312:16:143
111391180,0ptp4l0-21swapper/211:26:162
111391180,0ptp4l0-21swapper/211:12:562
111391180,0ptp4l0-21swapper/209:55:522
111391170,0ptp4l0-21swapper/408:41:034
111391170,0ptp4l0-21swapper/008:42:150
111391160,0ptp4l0-21swapper/408:00:024
111391160,0ptp4l0-21swapper/211:19:162
111391160,0ptp4l0-21swapper/209:06:322
111391160,0ptp4l0-21swapper/009:02:370
111391160,0ptp4l0-21swapper/008:15:160
111391160,0ptp4l0-21swapper/007:52:200
111391160,0ptp4l0-21swapper/007:49:380
111391160,0ptp4l0-21swapper/007:49:380
111391160,0ptp4l0-21swapper/007:13:380
111391150,0ptp4l0-21swapper/609:08:576
111391150,0ptp4l0-21swapper/608:10:076
111391150,0ptp4l0-21swapper/607:37:076
111391150,0ptp4l0-21swapper/408:50:034
111391150,0ptp4l0-21swapper/408:45:514
111391150,0ptp4l0-21swapper/407:56:094
111391150,0ptp4l0-21swapper/407:45:014
111391150,0ptp4l0-21swapper/407:45:014
111391150,0ptp4l0-21swapper/407:36:264
111391150,0ptp4l0-21swapper/407:22:224
111391150,0ptp4l0-21swapper/407:16:214
111391150,0ptp4l0-21swapper/407:11:274
111391150,0ptp4l0-21swapper/308:47:013
111391150,0ptp4l0-21swapper/209:04:582
111391150,0ptp4l0-21swapper/208:56:352
111391150,0ptp4l0-21swapper/207:32:212
111391150,0ptp4l0-21swapper/008:50:010
111391150,0ptp4l0-21swapper/008:48:560
111391150,0ptp4l0-21swapper/008:30:100
111391150,0ptp4l0-21swapper/008:28:080
111391150,0ptp4l0-21swapper/008:05:090
111391150,0ptp4l0-21swapper/007:56:220
111391150,0ptp4l0-21swapper/007:26:450
111391150,0ptp4l0-21swapper/007:22:400
22152991411,2cyclictest20526-21munin-run09:20:007
111391140,0ptp4l0-21swapper/612:09:306
111391140,0ptp4l0-21swapper/609:04:596
111391140,0ptp4l0-21swapper/608:41:046
111391140,0ptp4l0-21swapper/208:41:042
111391140,0ptp4l0-21swapper/208:10:062
22152991311,1cyclictest3936-21munin-run07:40:007
2215299130,1cyclictest0-21swapper/712:05:187
2215299110,10cyclictest21231-21sshd10:04:357
2212399110,10cyclictest0-21swapper/309:10:153
2215299100,9cyclictest0-21swapper/711:37:007
2215299100,9cyclictest0-21swapper/709:11:287
2215299100,0cyclictest0-21swapper/709:31:357
2214599100,9cyclictest0-21swapper/612:00:166
2214599100,0cyclictest0-21swapper/612:35:196
2211699105,4cyclictest27123-21munin-run07:20:002
221529998,0cyclictest0-21swapper/711:24:077
221529990,8cyclictest0-21swapper/709:26:247
221529990,0cyclictest0-21swapper/712:31:417
221529990,0cyclictest0-21swapper/711:32:457
221529990,0cyclictest0-21swapper/710:57:427
221529990,0cyclictest0-21swapper/710:35:237
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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