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2026-04-10 - 20:42

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 Fri Apr 10, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,29ptp4l0-21swapper/007:05:130
111391610,5ptp4l0-21swapper/107:05:531
3053925949,6sleep70-21swapper/707:05:067
111391590,5ptp4l0-21swapper/507:07:255
3214325747,6sleep40-21swapper/407:06:084
63672560,0sleep00-21swapper/010:15:140
63672560,0sleep00-21swapper/010:15:130
70162550,0sleep50-21swapper/509:30:165
3245125141,6sleep20-21swapper/207:09:582
1881915132,14phc2sys0-21swapper/307:06:293
3221824834,9sleep60-21swapper/607:07:056
323282470,0sleep50-21swapper/512:22:235
111391340,0ptp4l0-21swapper/408:40:144
111391330,0ptp4l0-21swapper/409:35:174
111391320,0ptp4l0-21swapper/507:20:145
111391320,0ptp4l0-21swapper/409:20:144
111391310,0ptp4l0-21swapper/612:09:286
111391310,0ptp4l0-21swapper/010:20:150
111391310,0ptp4l0-21swapper/010:20:140
111391300,0ptp4l0-21swapper/412:00:144
111391300,0ptp4l0-21swapper/010:52:480
111391300,0ptp4l0-21swapper/009:37:180
111391300,0ptp4l0-21swapper/009:25:180
111391290,1ptp4l0-21swapper/411:50:174
111391290,0ptp4l0-21swapper/411:38:094
111391290,0ptp4l0-21swapper/410:17:464
111391290,0ptp4l0-21swapper/410:17:454
111391280,0ptp4l0-21swapper/710:44:447
111391280,0ptp4l0-21swapper/412:32:484
111391280,0ptp4l0-21swapper/410:38:474
111391280,0ptp4l0-21swapper/410:33:114
111391280,0ptp4l0-21swapper/409:46:594
111391280,0ptp4l0-21swapper/409:32:224
111391280,0ptp4l0-21swapper/409:17:584
111391280,0ptp4l0-21swapper/111:14:381
111391280,0ptp4l0-21swapper/010:13:140
111391280,0ptp4l0-21swapper/009:18:290
111391280,0ptp4l0-21swapper/009:11:580
111391270,1ptp4l0-21swapper/410:51:344
111391270,0ptp4l0-21swapper/510:22:275
111391270,0ptp4l0-21swapper/510:22:265
111391270,0ptp4l0-21swapper/510:10:315
111391270,0ptp4l0-21swapper/411:40:264
111391270,0ptp4l0-21swapper/411:08:364
111391270,0ptp4l0-21swapper/410:24:284
111391270,0ptp4l0-21swapper/410:24:274
111391270,0ptp4l0-21swapper/410:07:584
111391270,0ptp4l0-21swapper/410:04:344
111391270,0ptp4l0-21swapper/211:05:022
111391270,0ptp4l0-21swapper/012:19:450
111391270,0ptp4l0-21swapper/009:30:320
111391270,0ptp4l0-21swapper/009:20:190
111391260,0ptp4l0-21swapper/612:14:306
111391260,0ptp4l0-21swapper/611:03:026
111391260,0ptp4l0-21swapper/610:34:126
111391260,0ptp4l0-21swapper/607:50:126
111391260,0ptp4l0-21swapper/511:47:415
111391260,0ptp4l0-21swapper/412:35:374
111391260,0ptp4l0-21swapper/411:18:114
111391260,0ptp4l0-21swapper/211:48:172
111391260,0ptp4l0-21swapper/211:01:092
111391260,0ptp4l0-21swapper/210:47:122
111391260,0ptp4l0-21swapper/209:50:092
111391260,0ptp4l0-21swapper/011:50:130
111391260,0ptp4l0-21swapper/011:40:170
111391260,0ptp4l0-21swapper/011:02:320
111391260,0ptp4l0-21swapper/010:38:460
111391260,0ptp4l0-21swapper/010:05:200
111391260,0ptp4l0-21swapper/008:10:000
32740992521,3cyclictest11313-21cut07:30:164
111391250,1ptp4l32268-21cat08:15:204
111391250,1ptp4l2918-21df07:15:000
111391250,1ptp4l23850-21cpuspeed_turbos10:40:110
111391250,1ptp4l12692-21hddtemp_smartct08:45:124
111391250,0ptp4l14516-21ssh11:57:460
111391250,0ptp4l0-21swapper/710:25:417
111391250,0ptp4l0-21swapper/612:00:116
111391250,0ptp4l0-21swapper/510:35:405
111391250,0ptp4l0-21swapper/412:22:344
111391250,0ptp4l0-21swapper/412:14:394
111391250,0ptp4l0-21swapper/412:05:314
111391250,0ptp4l0-21swapper/411:31:344
111391250,0ptp4l0-21swapper/410:49:224
111391250,0ptp4l0-21swapper/409:25:124
111391250,0ptp4l0-21swapper/310:46:113
111391250,0ptp4l0-21swapper/310:25:203
111391250,0ptp4l0-21swapper/211:59:012
111391250,0ptp4l0-21swapper/207:20:192
111391250,0ptp4l0-21swapper/110:33:161
111391250,0ptp4l0-21swapper/012:27:260
111391250,0ptp4l0-21swapper/012:12:310
111391250,0ptp4l0-21swapper/012:06:080
111391250,0ptp4l0-21swapper/011:36:480
111391250,0ptp4l0-21swapper/011:23:490
111391250,0ptp4l0-21swapper/011:08:370
111391240,3ptp4l0-21swapper/409:44:454
111391240,1ptp4l7063-21users11:00:194
111391240,1ptp4l15958-21df_inode12:00:081
111391240,1ptp4l14025-21sed07:35:192
111391240,1ptp4l14025-21sed07:35:192
111391240,1ptp4l10826-21latency08:40:150
111391240,0ptp4l23479-21diskmemload11:45:120
111391240,0ptp4l1090-21cpuspeed_turbos08:20:120
111391240,0ptp4l0-21swapper/707:40:177
111391240,0ptp4l0-21swapper/707:40:167
111391240,0ptp4l0-21swapper/608:05:126
111391240,0ptp4l0-21swapper/510:05:005
111391240,0ptp4l0-21swapper/509:14:405
111391240,0ptp4l0-21swapper/508:50:155
111391240,0ptp4l0-21swapper/507:15:165
111391240,0ptp4l0-21swapper/409:58:004
111391240,0ptp4l0-21swapper/408:10:164
111391240,0ptp4l0-21swapper/211:12:262
111391240,0ptp4l0-21swapper/210:57:222
111391240,0ptp4l0-21swapper/209:44:102
111391240,0ptp4l0-21swapper/111:58:181
111391240,0ptp4l0-21swapper/108:05:001
111391240,0ptp4l0-21swapper/012:35:130
111391240,0ptp4l0-21swapper/010:56:190
111391240,0ptp4l0-21swapper/010:02:100
111391240,0ptp4l0-21swapper/009:55:180
111391240,0ptp4l0-21swapper/009:55:000
111391240,0ptp4l0-21swapper/009:48:200
111391240,0ptp4l0-21swapper/008:00:120
111391240,0ptp4l0-21swapper/007:55:120
111391230,0ptp4l30602-21latency_hist10:50:001
111391230,0ptp4l22477-21strings09:05:154
111391230,0ptp4l0-21swapper/711:08:137
111391230,0ptp4l0-21swapper/710:53:297
111391230,0ptp4l0-21swapper/710:45:197
111391230,0ptp4l0-21swapper/710:24:567
111391230,0ptp4l0-21swapper/710:24:557
111391230,0ptp4l0-21swapper/611:24:086
111391230,0ptp4l0-21swapper/611:05:116
111391230,0ptp4l0-21swapper/610:05:156
111391230,0ptp4l0-21swapper/607:35:136
111391230,0ptp4l0-21swapper/607:35:126
111391230,0ptp4l0-21swapper/607:20:176
111391230,0ptp4l0-21swapper/512:35:015
111391230,0ptp4l0-21swapper/512:09:135
111391230,0ptp4l0-21swapper/511:54:255
111391230,0ptp4l0-21swapper/511:25:145
111391230,0ptp4l0-21swapper/511:03:315
111391230,0ptp4l0-21swapper/510:50:145
111391230,0ptp4l0-21swapper/510:31:145
111391230,0ptp4l0-21swapper/508:55:125
111391230,0ptp4l0-21swapper/508:15:125
111391230,0ptp4l0-21swapper/507:30:135
111391230,0ptp4l0-21swapper/507:25:155
111391230,0ptp4l0-21swapper/412:25:144
111391230,0ptp4l0-21swapper/412:16:334
111391230,0ptp4l0-21swapper/411:55:184
111391230,0ptp4l0-21swapper/411:45:124
111391230,0ptp4l0-21swapper/411:25:014
111391230,0ptp4l0-21swapper/411:10:194
111391230,0ptp4l0-21swapper/410:58:144
111391230,0ptp4l0-21swapper/410:40:114
111391230,0ptp4l0-21swapper/410:27:494
111391230,0ptp4l0-21swapper/410:10:004
111391230,0ptp4l0-21swapper/409:10:144
111391230,0ptp4l0-21swapper/409:00:144
111391230,0ptp4l0-21swapper/408:55:194
111391230,0ptp4l0-21swapper/408:35:144
111391230,0ptp4l0-21swapper/408:20:174
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/407:45:004
111391230,0ptp4l0-21swapper/407:10:184
111391230,0ptp4l0-21swapper/212:21:032
111391230,0ptp4l0-21swapper/212:00:102
111391230,0ptp4l0-21swapper/211:35:132
111391230,0ptp4l0-21swapper/211:30:462
111391230,0ptp4l0-21swapper/211:25:172
111391230,0ptp4l0-21swapper/210:51:122
111391230,0ptp4l0-21swapper/210:05:142
111391230,0ptp4l0-21swapper/209:59:132
111391230,0ptp4l0-21swapper/209:46:172
111391230,0ptp4l0-21swapper/208:30:122
111391230,0ptp4l0-21swapper/208:05:122
111391230,0ptp4l0-21swapper/207:50:122
111391230,0ptp4l0-21swapper/112:36:561
111391230,0ptp4l0-21swapper/111:49:291
111391230,0ptp4l0-21swapper/110:50:181
111391230,0ptp4l0-21swapper/109:28:391
111391230,0ptp4l0-21swapper/109:15:151
111391230,0ptp4l0-21swapper/108:50:191
111391230,0ptp4l0-21swapper/108:35:121
111391230,0ptp4l0-21swapper/107:25:121
111391230,0ptp4l0-21swapper/107:15:111
111391230,0ptp4l0-21swapper/012:02:540
111391230,0ptp4l0-21swapper/011:30:140
111391230,0ptp4l0-21swapper/011:28:040
111391230,0ptp4l0-21swapper/011:15:110
111391230,0ptp4l0-21swapper/011:10:020
111391230,0ptp4l0-21swapper/009:40:160
111391230,0ptp4l0-21swapper/009:05:100
111391230,0ptp4l0-21swapper/009:00:170
111391230,0ptp4l0-21swapper/009:00:000
111391230,0ptp4l0-21swapper/008:35:110
111391230,0ptp4l0-21swapper/008:10:150
111391230,0ptp4l0-21swapper/007:45:140
111391230,0ptp4l0-21swapper/007:25:190
111391220,0ptp4l0-21swapper/707:21:527
111391220,0ptp4l0-21swapper/612:36:326
111391220,0ptp4l0-21swapper/611:58:386
111391220,0ptp4l0-21swapper/611:48:146
111391220,0ptp4l0-21swapper/611:35:136
111391220,0ptp4l0-21swapper/611:30:476
111391220,0ptp4l0-21swapper/610:51:556
111391220,0ptp4l0-21swapper/610:22:086
111391220,0ptp4l0-21swapper/610:22:086
111391220,0ptp4l0-21swapper/609:54:276
111391220,0ptp4l0-21swapper/609:46:126
111391220,0ptp4l0-21swapper/607:10:136
111391220,0ptp4l0-21swapper/512:36:145
111391220,0ptp4l0-21swapper/512:17:145
111391220,0ptp4l0-21swapper/511:13:005
111391220,0ptp4l0-21swapper/510:43:485
111391220,0ptp4l0-21swapper/509:53:245
111391220,0ptp4l0-21swapper/508:05:005
111391220,0ptp4l0-21swapper/507:35:195
111391220,0ptp4l0-21swapper/507:35:185
111391220,0ptp4l0-21swapper/507:10:005
111391220,0ptp4l0-21swapper/411:20:184
111391220,0ptp4l0-21swapper/409:55:014
111391220,0ptp4l0-21swapper/408:30:034
111391220,0ptp4l0-21swapper/408:25:134
111391220,0ptp4l0-21swapper/408:00:144
111391220,0ptp4l0-21swapper/407:27:244
111391220,0ptp4l0-21swapper/311:08:133
111391220,0ptp4l0-21swapper/310:38:093
111391220,0ptp4l0-21swapper/307:40:123
111391220,0ptp4l0-21swapper/307:40:123
111391220,0ptp4l0-21swapper/212:30:442
111391220,0ptp4l0-21swapper/212:25:202
111391220,0ptp4l0-21swapper/212:12:422
111391220,0ptp4l0-21swapper/210:39:382
111391220,0ptp4l0-21swapper/210:27:312
111391220,0ptp4l0-21swapper/112:34:291
111391220,0ptp4l0-21swapper/111:25:151
111391220,0ptp4l0-21swapper/110:22:301
111391220,0ptp4l0-21swapper/110:22:291
111391220,0ptp4l0-21swapper/110:14:231
111391220,0ptp4l0-21swapper/110:05:051
111391220,0ptp4l0-21swapper/109:36:111
111391220,0ptp4l0-21swapper/109:23:401
111391220,0ptp4l0-21swapper/109:14:311
111391220,0ptp4l0-21swapper/108:55:151
111391220,0ptp4l0-21swapper/108:15:121
111391220,0ptp4l0-21swapper/107:35:171
111391220,0ptp4l0-21swapper/107:35:171
111391220,0ptp4l0-21swapper/107:30:121
111391220,0ptp4l0-21swapper/107:20:111
111391220,0ptp4l0-21swapper/012:30:160
111391220,0ptp4l0-21swapper/012:20:140
111391220,0ptp4l0-21swapper/010:30:080
111391220,0ptp4l0-21swapper/010:29:050
111391220,0ptp4l0-21swapper/008:25:120
111391220,0ptp4l0-21swapper/008:15:170
111391220,0ptp4l0-21swapper/007:35:160
111391220,0ptp4l0-21swapper/007:35:160
111391220,0ptp4l0-21swapper/007:30:100
111391220,0ptp4l0-21swapper/007:10:140
111391210,6ptp4l0-21swapper/408:09:464
111391210,4ptp4l0-21swapper/407:55:584
111391210,2ptp4l0-21swapper/209:27:072
111391210,0ptp4l23479-21diskmemload11:58:055
111391210,0ptp4l2277-21ps12:25:206
111391210,0ptp4l0-21swapper/710:38:067
111391210,0ptp4l0-21swapper/612:16:456
111391210,0ptp4l0-21swapper/611:50:016
111391210,0ptp4l0-21swapper/611:43:086
111391210,0ptp4l0-21swapper/610:43:186
111391210,0ptp4l0-21swapper/610:16:466
111391210,0ptp4l0-21swapper/610:16:466
111391210,0ptp4l0-21swapper/610:02:336
111391210,0ptp4l0-21swapper/609:56:036
111391210,0ptp4l0-21swapper/609:44:076
111391210,0ptp4l0-21swapper/609:30:586
111391210,0ptp4l0-21swapper/609:01:186
111391210,0ptp4l0-21swapper/607:31:136
111391210,0ptp4l0-21swapper/512:28:585
111391210,0ptp4l0-21swapper/512:11:555
111391210,0ptp4l0-21swapper/511:42:385
111391210,0ptp4l0-21swapper/511:35:365
111391210,0ptp4l0-21swapper/510:18:265
111391210,0ptp4l0-21swapper/510:18:265
111391210,0ptp4l0-21swapper/510:05:045
111391210,0ptp4l0-21swapper/509:55:555
111391210,0ptp4l0-21swapper/509:25:405
111391210,0ptp4l0-21swapper/509:23:345
111391210,0ptp4l0-21swapper/509:15:145
111391210,0ptp4l0-21swapper/508:26:275
111391210,0ptp4l0-21swapper/508:14:455
111391210,0ptp4l0-21swapper/407:42:124
111391210,0ptp4l0-21swapper/407:42:114
111391210,0ptp4l0-21swapper/310:44:143
111391210,0ptp4l0-21swapper/310:24:473
111391210,0ptp4l0-21swapper/310:24:473
111391210,0ptp4l0-21swapper/309:51:103
111391210,0ptp4l0-21swapper/212:36:262
111391210,0ptp4l0-21swapper/212:16:002
111391210,0ptp4l0-21swapper/211:50:092
111391210,0ptp4l0-21swapper/210:22:112
111391210,0ptp4l0-21swapper/210:22:102
111391210,0ptp4l0-21swapper/210:04:292
111391210,0ptp4l0-21swapper/208:56:142
111391210,0ptp4l0-21swapper/112:29:311
111391210,0ptp4l0-21swapper/112:17:101
111391210,0ptp4l0-21swapper/112:10:481
111391210,0ptp4l0-21swapper/112:08:561
111391210,0ptp4l0-21swapper/111:50:481
111391210,0ptp4l0-21swapper/111:36:041
111391210,0ptp4l0-21swapper/111:30:431
111391210,0ptp4l0-21swapper/110:43:541
111391210,0ptp4l0-21swapper/110:29:401
111391210,0ptp4l0-21swapper/109:53:111
111391210,0ptp4l0-21swapper/010:46:210
111391210,0ptp4l0-21swapper/008:51:340
111391210,0ptp4l0-21swapper/007:50:190
111391200,2ptp4l0-21swapper/507:48:345
111391200,2ptp4l0-21swapper/211:40:272
111391200,0ptp4l0-21swapper/707:39:087
111391200,0ptp4l0-21swapper/707:39:087
111391200,0ptp4l0-21swapper/612:20:596
111391200,0ptp4l0-21swapper/611:29:166
111391200,0ptp4l0-21swapper/610:59:196
111391200,0ptp4l0-21swapper/610:47:226
111391200,0ptp4l0-21swapper/610:36:006
111391200,0ptp4l0-21swapper/609:22:456
111391200,0ptp4l0-21swapper/609:19:036
111391200,0ptp4l0-21swapper/508:44:115
111391200,0ptp4l0-21swapper/508:24:105
111391200,0ptp4l0-21swapper/507:58:145
111391200,0ptp4l0-21swapper/507:52:495
111391200,0ptp4l0-21swapper/407:17:134
111391200,0ptp4l0-21swapper/310:30:473
111391200,0ptp4l0-21swapper/212:09:392
111391200,0ptp4l0-21swapper/211:24:062
111391200,0ptp4l0-21swapper/210:42:042
111391200,0ptp4l0-21swapper/210:15:422
111391200,0ptp4l0-21swapper/210:15:422
111391200,0ptp4l0-21swapper/209:34:152
111391200,0ptp4l0-21swapper/209:22:432
111391200,0ptp4l0-21swapper/209:19:062
111391200,0ptp4l0-21swapper/209:12:232
111391200,0ptp4l0-21swapper/207:27:362
111391200,0ptp4l0-21swapper/207:19:052
111391200,0ptp4l0-21swapper/112:21:251
111391200,0ptp4l0-21swapper/111:43:411
111391200,0ptp4l0-21swapper/111:03:321
111391200,0ptp4l0-21swapper/110:57:241
111391200,0ptp4l0-21swapper/110:35:341
111391200,0ptp4l0-21swapper/110:18:201
111391200,0ptp4l0-21swapper/110:18:201
111391200,0ptp4l0-21swapper/108:24:011
111391200,0ptp4l0-21swapper/008:49:420
111391200,0ptp4l0-21swapper/008:34:130
111391200,0ptp4l0-21swapper/007:21:240
111391190,3ptp4l0-21swapper/307:22:203
111391190,0ptp4l30627-21ssh10:04:591
111391190,0ptp4l0-21swapper/710:30:427
111391190,0ptp4l0-21swapper/609:25:086
111391190,0ptp4l0-21swapper/511:16:005
111391190,0ptp4l0-21swapper/511:08:585
111391190,0ptp4l0-21swapper/510:27:115
111391190,0ptp4l0-21swapper/509:36:105
111391190,0ptp4l0-21swapper/407:36:134
111391190,0ptp4l0-21swapper/407:36:134
111391190,0ptp4l0-21swapper/310:53:343
111391190,0ptp4l0-21swapper/111:09:011
111391190,0ptp4l0-21swapper/109:58:311
111391190,0ptp4l0-21swapper/007:41:360
111391190,0ptp4l0-21swapper/007:41:350
111391180,0ptp4l23479-21diskmemload10:34:062
111391180,0ptp4l0-21swapper/612:33:326
111391180,0ptp4l0-21swapper/611:12:266
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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