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2026-03-25 - 21:42

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 Wed Mar 25, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248472690,0sleep30-21swapper/307:14:593
111391620,30ptp4l0-21swapper/007:06:360
236952580,0sleep00-21swapper/010:07:180
2203325848,6sleep20-21swapper/207:05:232
184122570,0sleep20-21swapper/210:00:142
2208125645,6sleep40-21swapper/407:05:564
230042550,0sleep00-21swapper/008:20:000
2211825433,7sleep30-21swapper/307:06:273
111391540,5ptp4l0-21swapper/507:05:145
1881915332,11phc2sys0-21swapper/107:05:151
2210125231,7sleep60-21swapper/607:06:156
2218424838,6sleep70-21swapper/707:07:197
111391360,0ptp4l0-21swapper/410:45:014
111391350,0ptp4l0-21swapper/408:00:124
111391340,0ptp4l0-21swapper/711:10:187
111391340,0ptp4l0-21swapper/711:10:187
111391330,0ptp4l0-21swapper/511:47:465
111391330,0ptp4l0-21swapper/409:50:204
111391310,0ptp4l0-21swapper/510:22:455
111391310,0ptp4l0-21swapper/409:18:194
111391310,0ptp4l0-21swapper/311:10:513
111391310,0ptp4l0-21swapper/311:10:513
111391310,0ptp4l0-21swapper/012:15:140
111391300,0ptp4l0-21swapper/511:21:025
111391300,0ptp4l0-21swapper/510:47:355
111391300,0ptp4l0-21swapper/508:10:125
111391300,0ptp4l0-21swapper/412:13:364
111391300,0ptp4l0-21swapper/011:01:250
111391300,0ptp4l0-21swapper/010:59:490
111391290,4ptp4l27218-21sh09:27:334
111391290,0ptp4l0-21swapper/412:19:254
111391290,0ptp4l0-21swapper/411:36:104
111391290,0ptp4l0-21swapper/411:26:334
111391290,0ptp4l0-21swapper/410:52:514
111391290,0ptp4l0-21swapper/410:35:314
111391290,0ptp4l0-21swapper/112:39:321
111391290,0ptp4l0-21swapper/110:13:111
111391290,0ptp4l0-21swapper/009:45:170
111391280,0ptp4l0-21swapper/609:33:016
111391280,0ptp4l0-21swapper/511:29:495
111391280,0ptp4l0-21swapper/511:08:065
111391280,0ptp4l0-21swapper/508:05:205
111391280,0ptp4l0-21swapper/411:23:214
111391280,0ptp4l0-21swapper/411:00:434
111391280,0ptp4l0-21swapper/409:30:084
111391280,0ptp4l0-21swapper/310:09:103
111391280,0ptp4l0-21swapper/012:21:430
111391280,0ptp4l0-21swapper/012:07:510
111391280,0ptp4l0-21swapper/011:41:470
111391280,0ptp4l0-21swapper/009:35:180
111391280,0ptp4l0-21swapper/009:33:490
111391270,3ptp4l0-21swapper/512:39:315
111391270,3ptp4l0-21swapper/411:40:494
111391270,0ptp4l0-21swapper/510:08:485
111391270,0ptp4l0-21swapper/411:57:424
111391270,0ptp4l0-21swapper/411:47:044
111391270,0ptp4l0-21swapper/409:37:114
111391270,0ptp4l0-21swapper/409:13:534
111391270,0ptp4l0-21swapper/407:55:154
111391270,0ptp4l0-21swapper/407:15:014
111391270,0ptp4l0-21swapper/109:20:311
111391270,0ptp4l0-21swapper/010:46:460
111391270,0ptp4l0-21swapper/009:24:210
111391260,1ptp4l25073-21needreboot12:25:170
111391260,1ptp4l14449-21ssh09:55:105
111391260,0ptp4l0-21swapper/710:28:117
111391260,0ptp4l0-21swapper/412:37:334
111391260,0ptp4l0-21swapper/412:33:284
111391260,0ptp4l0-21swapper/411:19:504
111391260,0ptp4l0-21swapper/411:09:474
111391260,0ptp4l0-21swapper/410:31:304
111391260,0ptp4l0-21swapper/410:21:484
111391260,0ptp4l0-21swapper/410:10:124
111391260,0ptp4l0-21swapper/110:57:121
111391260,0ptp4l0-21swapper/012:37:310
111391260,0ptp4l0-21swapper/011:19:310
111391260,0ptp4l0-21swapper/011:14:060
111391260,0ptp4l0-21swapper/011:14:060
111391260,0ptp4l0-21swapper/010:28:310
111391260,0ptp4l0-21swapper/010:15:070
111391260,0ptp4l0-21swapper/009:05:000
111391250,2ptp4l843-21ptp4l10:20:190
111391250,1ptp4l5461-21missed_timers08:50:174
111391250,0ptp4l0-21swapper/510:41:485
111391250,0ptp4l0-21swapper/509:12:455
111391250,0ptp4l0-21swapper/507:40:135
111391250,0ptp4l0-21swapper/412:29:094
111391250,0ptp4l0-21swapper/412:23:364
111391250,0ptp4l0-21swapper/411:52:324
111391250,0ptp4l0-21swapper/410:01:184
111391250,0ptp4l0-21swapper/409:24:244
111391250,0ptp4l0-21swapper/112:10:501
111391250,0ptp4l0-21swapper/110:40:461
111391250,0ptp4l0-21swapper/109:39:571
111391250,0ptp4l0-21swapper/107:20:001
111391250,0ptp4l0-21swapper/012:30:380
111391250,0ptp4l0-21swapper/011:56:310
111391250,0ptp4l0-21swapper/011:45:170
111391250,0ptp4l0-21swapper/010:50:330
111391250,0ptp4l0-21swapper/010:35:110
111391250,0ptp4l0-21swapper/009:57:330
111391250,0ptp4l0-21swapper/009:00:160
111391240,2ptp4l0-21swapper/111:25:501
111391240,1ptp4l6719-21hddtemp_smartct12:00:130
111391240,1ptp4l6607-21latency_hist08:55:001
111391240,1ptp4l27964-21hddtemp_smartct12:30:125
111391240,1ptp4l23611-21sh10:07:044
111391240,1ptp4l14768-21missed_timers09:10:170
111391240,0ptp4l14244-21cpu10:40:100
111391240,0ptp4l0-21swapper/511:43:035
111391240,0ptp4l0-21swapper/511:30:125
111391240,0ptp4l0-21swapper/510:19:555
111391240,0ptp4l0-21swapper/509:39:595
111391240,0ptp4l0-21swapper/508:55:145
111391240,0ptp4l0-21swapper/508:37:175
111391240,0ptp4l0-21swapper/508:37:175
111391240,0ptp4l0-21swapper/507:15:195
111391240,0ptp4l0-21swapper/411:31:514
111391240,0ptp4l0-21swapper/411:14:324
111391240,0ptp4l0-21swapper/411:14:314
111391240,0ptp4l0-21swapper/410:28:254
111391240,0ptp4l0-21swapper/410:16:564
111391240,0ptp4l0-21swapper/409:42:564
111391240,0ptp4l0-21swapper/407:50:254
111391240,0ptp4l0-21swapper/407:40:204
111391240,0ptp4l0-21swapper/407:25:124
111391240,0ptp4l0-21swapper/210:10:012
111391240,0ptp4l0-21swapper/108:30:211
111391240,0ptp4l0-21swapper/011:50:160
111391240,0ptp4l0-21swapper/011:24:060
111391240,0ptp4l0-21swapper/009:50:150
2269699230,0cyclictest0-21swapper/510:12:585
111391230,1ptp4l8247-21sendmail_mailst07:45:180
111391230,1ptp4l13437-21diskmemload09:11:131
111391230,1ptp4l0-21swapper/112:29:261
111391230,0ptp4l25917-21if_enp1s008:25:150
111391230,0ptp4l0-21swapper/610:38:426
111391230,0ptp4l0-21swapper/512:16:595
111391230,0ptp4l0-21swapper/511:59:475
111391230,0ptp4l0-21swapper/511:53:215
111391230,0ptp4l0-21swapper/509:47:025
111391230,0ptp4l0-21swapper/509:40:105
111391230,0ptp4l0-21swapper/509:20:155
111391230,0ptp4l0-21swapper/509:15:155
111391230,0ptp4l0-21swapper/508:40:155
111391230,0ptp4l0-21swapper/508:30:175
111391230,0ptp4l0-21swapper/508:15:125
111391230,0ptp4l0-21swapper/507:50:145
111391230,0ptp4l0-21swapper/507:30:125
111391230,0ptp4l0-21swapper/412:05:134
111391230,0ptp4l0-21swapper/412:00:194
111391230,0ptp4l0-21swapper/410:55:184
111391230,0ptp4l0-21swapper/410:45:124
111391230,0ptp4l0-21swapper/409:55:174
111391230,0ptp4l0-21swapper/409:45:214
111391230,0ptp4l0-21swapper/409:00:114
111391230,0ptp4l0-21swapper/408:35:174
111391230,0ptp4l0-21swapper/408:35:164
111391230,0ptp4l0-21swapper/408:25:154
111391230,0ptp4l0-21swapper/408:20:144
111391230,0ptp4l0-21swapper/408:06:364
111391230,0ptp4l0-21swapper/407:35:134
111391230,0ptp4l0-21swapper/112:22:291
111391230,0ptp4l0-21swapper/110:50:121
111391230,0ptp4l0-21swapper/110:36:311
111391230,0ptp4l0-21swapper/110:08:561
111391230,0ptp4l0-21swapper/109:55:101
111391230,0ptp4l0-21swapper/109:47:401
111391230,0ptp4l0-21swapper/109:15:101
111391230,0ptp4l0-21swapper/108:15:111
111391230,0ptp4l0-21swapper/108:05:151
111391230,0ptp4l0-21swapper/108:00:141
111391230,0ptp4l0-21swapper/012:10:130
111391230,0ptp4l0-21swapper/011:35:120
111391230,0ptp4l0-21swapper/011:30:130
111391230,0ptp4l0-21swapper/011:25:130
111391230,0ptp4l0-21swapper/011:05:160
111391230,0ptp4l0-21swapper/010:30:110
111391230,0ptp4l0-21swapper/010:10:120
111391230,0ptp4l0-21swapper/010:00:180
111391230,0ptp4l0-21swapper/009:40:170
111391230,0ptp4l0-21swapper/009:25:150
111391230,0ptp4l0-21swapper/009:15:040
111391230,0ptp4l0-21swapper/008:35:140
111391230,0ptp4l0-21swapper/008:35:130
111391230,0ptp4l0-21swapper/008:20:130
111391230,0ptp4l0-21swapper/008:00:100
111391230,0ptp4l0-21swapper/007:55:130
111391230,0ptp4l0-21swapper/007:50:150
111391230,0ptp4l0-21swapper/007:40:150
111391230,0ptp4l0-21swapper/007:10:110
111391220,0ptp4l0-21swapper/609:50:406
111391220,0ptp4l0-21swapper/512:10:045
111391220,0ptp4l0-21swapper/512:09:195
111391220,0ptp4l0-21swapper/511:37:355
111391220,0ptp4l0-21swapper/510:56:555
111391220,0ptp4l0-21swapper/510:53:525
111391220,0ptp4l0-21swapper/509:51:155
111391220,0ptp4l0-21swapper/509:32:505
111391220,0ptp4l0-21swapper/509:25:555
111391220,0ptp4l0-21swapper/508:53:105
111391220,0ptp4l0-21swapper/508:28:565
111391220,0ptp4l0-21swapper/409:05:154
111391220,0ptp4l0-21swapper/407:45:184
111391220,0ptp4l0-21swapper/407:32:414
111391220,0ptp4l0-21swapper/407:15:164
111391220,0ptp4l0-21swapper/310:27:153
111391220,0ptp4l0-21swapper/210:38:442
111391220,0ptp4l0-21swapper/209:55:452
111391220,0ptp4l0-21swapper/209:32:532
111391220,0ptp4l0-21swapper/112:30:141
111391220,0ptp4l0-21swapper/112:05:101
111391220,0ptp4l0-21swapper/112:05:001
111391220,0ptp4l0-21swapper/111:51:351
111391220,0ptp4l0-21swapper/111:48:021
111391220,0ptp4l0-21swapper/111:35:031
111391220,0ptp4l0-21swapper/111:30:101
111391220,0ptp4l0-21swapper/111:24:231
111391220,0ptp4l0-21swapper/111:06:231
111391220,0ptp4l0-21swapper/111:00:221
111391220,0ptp4l0-21swapper/110:28:401
111391220,0ptp4l0-21swapper/110:22:451
111391220,0ptp4l0-21swapper/110:15:131
111391220,0ptp4l0-21swapper/110:04:121
111391220,0ptp4l0-21swapper/109:51:201
111391220,0ptp4l0-21swapper/109:29:481
111391220,0ptp4l0-21swapper/108:55:201
111391220,0ptp4l0-21swapper/108:46:341
111391220,0ptp4l0-21swapper/108:40:111
111391220,0ptp4l0-21swapper/108:22:291
111391220,0ptp4l0-21swapper/108:10:121
111391220,0ptp4l0-21swapper/107:40:101
111391220,0ptp4l0-21swapper/107:30:131
111391220,0ptp4l0-21swapper/008:55:420
111391220,0ptp4l0-21swapper/008:50:170
111391220,0ptp4l0-21swapper/007:35:190
111391220,0ptp4l0-21swapper/007:25:160
111391210,0ptp4l0-21swapper/710:09:107
111391210,0ptp4l0-21swapper/612:18:116
111391210,0ptp4l0-21swapper/610:04:256
111391210,0ptp4l0-21swapper/609:26:136
111391210,0ptp4l0-21swapper/512:25:415
111391210,0ptp4l0-21swapper/512:02:315
111391210,0ptp4l0-21swapper/510:36:425
111391210,0ptp4l0-21swapper/510:32:045
111391210,0ptp4l0-21swapper/510:04:475
111391210,0ptp4l0-21swapper/508:48:585
111391210,0ptp4l0-21swapper/507:58:215
111391210,0ptp4l0-21swapper/507:23:175
111391210,0ptp4l0-21swapper/408:15:514
111391210,0ptp4l0-21swapper/212:35:312
111391210,0ptp4l0-21swapper/211:13:312
111391210,0ptp4l0-21swapper/211:13:312
111391210,0ptp4l0-21swapper/210:42:132
111391210,0ptp4l0-21swapper/209:26:192
111391210,0ptp4l0-21swapper/112:17:541
111391210,0ptp4l0-21swapper/111:13:211
111391210,0ptp4l0-21swapper/111:13:211
111391210,0ptp4l0-21swapper/110:47:371
111391210,0ptp4l0-21swapper/109:41:531
111391210,0ptp4l0-21swapper/008:45:180
111391210,0ptp4l0-21swapper/008:43:420
111391210,0ptp4l0-21swapper/008:08:130
111391210,0ptp4l0-21swapper/007:32:450
2269699203,0cyclictest0-21swapper/510:25:035
111391200,0ptp4l0-21swapper/612:01:036
111391200,0ptp4l0-21swapper/607:40:416
111391200,0ptp4l0-21swapper/512:22:325
111391200,0ptp4l0-21swapper/511:13:255
111391200,0ptp4l0-21swapper/511:13:255
111391200,0ptp4l0-21swapper/507:46:195
111391200,0ptp4l0-21swapper/408:58:274
111391200,0ptp4l0-21swapper/408:14:554
111391200,0ptp4l0-21swapper/407:24:484
111391200,0ptp4l0-21swapper/111:59:511
111391200,0ptp4l0-21swapper/110:32:041
111391200,0ptp4l0-21swapper/109:30:321
111391200,0ptp4l0-21swapper/107:57:511
111391200,0ptp4l0-21swapper/107:50:141
111391200,0ptp4l0-21swapper/107:46:241
111391200,0ptp4l0-21swapper/107:38:181
111391200,0ptp4l0-21swapper/107:21:561
111391200,0ptp4l0-21swapper/008:14:240
111391200,0ptp4l0-21swapper/007:20:400
111391200,0ptp4l0-21swapper/007:15:140
111391190,0ptp4l0-21swapper/711:15:027
111391190,0ptp4l0-21swapper/610:10:026
111391190,0ptp4l0-21swapper/609:55:416
111391190,0ptp4l0-21swapper/511:01:285
111391190,0ptp4l0-21swapper/509:08:255
111391190,0ptp4l0-21swapper/408:33:064
111391190,0ptp4l0-21swapper/211:21:202
111391190,0ptp4l0-21swapper/210:14:342
111391190,0ptp4l0-21swapper/209:50:402
111391190,0ptp4l0-21swapper/111:40:051
111391190,0ptp4l0-21swapper/109:08:171
111391180,0ptp4l321ktimersoftd/208:16:092
111391180,0ptp4l0-21swapper/611:54:116
111391180,0ptp4l0-21swapper/610:42:136
111391180,0ptp4l0-21swapper/008:31:420
111391170,0ptp4l0-21swapper/611:13:326
111391170,0ptp4l0-21swapper/611:13:316
238452160,1sleep61068-21runrttasks09:23:016
111391160,0ptp4l0-21swapper/607:45:316
111391160,0ptp4l0-21swapper/508:01:425
111391160,0ptp4l0-21swapper/408:44:264
111391160,0ptp4l0-21swapper/207:40:412
111391160,0ptp4l0-21swapper/111:18:081
111391160,0ptp4l0-21swapper/109:04:101
111391160,0ptp4l0-21swapper/108:38:331
111391160,0ptp4l0-21swapper/108:38:331
111391160,0ptp4l0-21swapper/108:26:171
111391150,0ptp4l0-21swapper/611:21:186
111391150,0ptp4l0-21swapper/609:09:126
111391150,0ptp4l0-21swapper/608:28:216
111391150,0ptp4l0-21swapper/608:23:276
111391150,0ptp4l0-21swapper/608:16:056
111391150,0ptp4l0-21swapper/607:13:336
111391150,0ptp4l0-21swapper/509:02:065
111391150,0ptp4l0-21swapper/508:22:145
111391150,0ptp4l0-21swapper/507:37:455
111391150,0ptp4l0-21swapper/507:25:035
111391150,0ptp4l0-21swapper/408:45:184
111391150,0ptp4l0-21swapper/308:31:323
111391150,0ptp4l0-21swapper/211:54:112
111391150,0ptp4l0-21swapper/208:43:582
111391150,0ptp4l0-21swapper/208:23:262
111391150,0ptp4l0-21swapper/207:45:422
111391150,0ptp4l0-21swapper/207:13:402
111391150,0ptp4l0-21swapper/107:25:001
111391140,0ptp4l321ktimersoftd/212:18:082
111391140,0ptp4l0-21swapper/708:10:327
111391140,0ptp4l0-21swapper/607:37:326
111391140,0ptp4l0-21swapper/311:15:013
111391140,0ptp4l0-21swapper/308:10:323
111391140,0ptp4l0-21swapper/212:01:012
111391140,0ptp4l0-21swapper/209:09:112
111391140,0ptp4l0-21swapper/209:04:352
111391140,0ptp4l0-21swapper/208:28:162
111391140,0ptp4l0-21swapper/208:08:132
111391140,0ptp4l0-21swapper/207:54:362
111391140,0ptp4l0-21swapper/207:37:332
2271199119,1cyclictest16569-21ssh11:28:397
2271199119,1cyclictest0-21swapper/710:01:267
2271199110,10cyclictest0-21swapper/711:05:517
2268299110,1cyclictest0-21swapper/312:35:003
2271199109,0cyclictest0-21swapper/710:21:517
2271199100,0cyclictest0-21swapper/709:33:177
2270399109,0cyclictest0-21swapper/611:07:246
2270399109,0cyclictest0-21swapper/609:38:566
2270399109,0cyclictest0-21swapper/609:15:416
2270399100,9cyclictest0-21swapper/611:29:166
2270399100,0cyclictest0-21swapper/610:24:406
2269699100,2cyclictest0-21swapper/511:18:535
2268299109,0cyclictest0-21swapper/312:35:183
2268299100,9cyclictest0-21swapper/311:52:533
2267599100,9cyclictest0-21swapper/211:49:542
2267599100,9cyclictest0-21swapper/211:29:482
2267599100,9cyclictest0-21swapper/207:15:122
227119998,0cyclictest0-21swapper/710:41:117
227119998,0cyclictest0-21swapper/709:13:307
227119997,1cyclictest1061-21snmpd08:06:417
227119990,8cyclictest0-21swapper/712:15:397
227119990,0cyclictest0-21swapper/711:51:087
227119990,0cyclictest0-21swapper/708:36:447
227119990,0cyclictest0-21swapper/708:36:437
227039998,0cyclictest0-21swapper/610:05:026
226829998,0cyclictest0-21swapper/312:12:313
226829998,0cyclictest0-21swapper/309:13:513
226829990,8cyclictest0-21swapper/310:58:483
226829990,1cyclictest0-21swapper/311:10:003
226829990,0cyclictest0-21swapper/311:34:193
226829990,0cyclictest0-21swapper/310:40:163
226759998,0cyclictest0-21swapper/211:09:312
226759990,0cyclictest0-21swapper/212:12:132
226759990,0cyclictest0-21swapper/210:45:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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