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2026-04-18 - 02:54

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 17, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289392640,0sleep60-21swapper/608:25:166
1881916439,6phc2sys0-21swapper/407:05:224
33892610,1sleep665-21ksoftirqd/607:30:136
2312725544,6sleep70-21swapper/707:05:087
111391550,6ptp4l0-21swapper/007:08:540
2501725343,6sleep20-21swapper/207:09:452
2480125140,7sleep10-21swapper/107:07:021
2488824938,6sleep60-21swapper/607:08:116
2501124736,6sleep50-21swapper/507:09:405
2475024735,7sleep30-21swapper/307:06:243
315712450,0sleep30-21swapper/311:46:113
111391350,0ptp4l0-21swapper/408:00:004
111391300,4ptp4l0-21swapper/410:28:364
111391300,0ptp4l0-21swapper/712:29:457
111391300,0ptp4l0-21swapper/412:13:074
111391300,0ptp4l0-21swapper/411:56:314
111391300,0ptp4l0-21swapper/408:20:004
111391290,0ptp4l0-21swapper/508:25:195
111391290,0ptp4l0-21swapper/410:34:504
111391280,4ptp4l0-21swapper/412:15:534
111391280,2ptp4l0-21swapper/410:04:164
111391280,0ptp4l0-21swapper/412:23:214
111391280,0ptp4l0-21swapper/410:52:444
111391280,0ptp4l0-21swapper/410:20:124
111391280,0ptp4l0-21swapper/409:51:424
111391280,0ptp4l0-21swapper/311:07:083
111391280,0ptp4l0-21swapper/111:38:261
111391280,0ptp4l0-21swapper/011:26:260
111391270,3ptp4l0-21swapper/011:50:590
111391270,2ptp4l0-21swapper/511:03:305
111391270,2ptp4l0-21swapper/010:49:160
111391270,2ptp4l0-21swapper/010:49:160
111391270,1ptp4l0-21swapper/510:50:265
111391270,0ptp4l0-21swapper/712:39:277
111391270,0ptp4l0-21swapper/709:16:087
111391270,0ptp4l0-21swapper/409:14:074
111391270,0ptp4l0-21swapper/312:25:173
111391270,0ptp4l0-21swapper/012:37:360
111391270,0ptp4l0-21swapper/011:47:010
111391270,0ptp4l0-21swapper/009:34:510
111391260,3ptp4l721ktimersoftd/711:26:377
111391260,1ptp4l561ktimersoftd/509:30:055
111391260,0ptp4l0-21swapper/709:12:257
111391260,0ptp4l0-21swapper/511:37:455
111391260,0ptp4l0-21swapper/411:50:364
111391260,0ptp4l0-21swapper/411:48:314
111391260,0ptp4l0-21swapper/411:28:174
111391260,0ptp4l0-21swapper/411:16:534
111391260,0ptp4l0-21swapper/410:15:514
111391260,0ptp4l0-21swapper/409:28:264
111391260,0ptp4l0-21swapper/409:21:164
111391260,0ptp4l0-21swapper/310:00:113
111391260,0ptp4l0-21swapper/009:52:110
111391260,0ptp4l0-21swapper/008:15:190
111391250,0ptp4l0-21swapper/709:59:557
111391250,0ptp4l0-21swapper/412:08:494
111391250,0ptp4l0-21swapper/412:01:474
111391250,0ptp4l0-21swapper/410:41:264
111391250,0ptp4l0-21swapper/410:15:014
111391250,0ptp4l0-21swapper/409:58:444
111391250,0ptp4l0-21swapper/408:42:464
111391250,0ptp4l0-21swapper/407:30:104
111391250,0ptp4l0-21swapper/312:36:013
111391250,0ptp4l0-21swapper/211:26:302
111391250,0ptp4l0-21swapper/208:10:172
111391250,0ptp4l0-21swapper/208:10:162
111391250,0ptp4l0-21swapper/112:17:041
111391250,0ptp4l0-21swapper/109:55:191
111391250,0ptp4l0-21swapper/012:15:170
111391250,0ptp4l0-21swapper/011:30:130
111391250,0ptp4l0-21swapper/009:40:180
111391250,0ptp4l0-21swapper/007:40:110
111391250,0ptp4l0-21swapper/007:15:010
111391240,2ptp4l481ktimersoftd/412:37:134
111391240,2ptp4l0-21swapper/010:13:400
111391240,1ptp4l8370-21smart_sda08:50:150
111391240,1ptp4l5516-21hddtemp_smartct07:35:121
111391240,1ptp4l28859-21users10:10:191
111391240,1ptp4l25807-21fw_forwarded_lo07:10:130
111391240,1ptp4l23981-21df10:05:110
111391240,1ptp4l1736-21missed_timers11:50:161
111391240,1ptp4l12370-21diskstats07:50:111
111391240,0ptp4l0-21swapper/712:30:127
111391240,0ptp4l0-21swapper/707:15:177
111391240,0ptp4l0-21swapper/507:55:165
111391240,0ptp4l0-21swapper/507:35:115
111391240,0ptp4l0-21swapper/412:31:234
111391240,0ptp4l0-21swapper/411:41:104
111391240,0ptp4l0-21swapper/410:55:234
111391240,0ptp4l0-21swapper/410:47:204
111391240,0ptp4l0-21swapper/410:47:194
111391240,0ptp4l0-21swapper/410:05:474
111391240,0ptp4l0-21swapper/408:40:004
111391240,0ptp4l0-21swapper/407:40:194
111391240,0ptp4l0-21swapper/407:20:114
111391240,0ptp4l0-21swapper/311:59:513
111391240,0ptp4l0-21swapper/111:27:571
111391240,0ptp4l0-21swapper/012:10:130
111391240,0ptp4l0-21swapper/010:30:360
111391240,0ptp4l0-21swapper/010:21:550
111391240,0ptp4l0-21swapper/009:15:190
111391240,0ptp4l0-21swapper/009:10:130
111391240,0ptp4l0-21swapper/007:20:120
111391230,2ptp4l0-21swapper/010:28:300
111391230,1ptp4l9564-21cut07:45:001
111391230,1ptp4l5199-21fw_conntrack11:10:110
111391230,1ptp4l4738-21cat11:10:001
111391230,1ptp4l15629-21unixbench_singl09:05:190
111391230,1ptp4l13499-21ssh12:06:220
111391230,1ptp4l1068-21runrttasks09:19:563
111391230,1ptp4l0-21swapper/509:50:355
111391230,0ptp4l0-21swapper/712:25:007
111391230,0ptp4l0-21swapper/708:00:167
111391230,0ptp4l0-21swapper/511:50:185
111391230,0ptp4l0-21swapper/510:36:005
111391230,0ptp4l0-21swapper/508:15:015
111391230,0ptp4l0-21swapper/508:15:005
111391230,0ptp4l0-21swapper/507:50:155
111391230,0ptp4l0-21swapper/507:25:125
111391230,0ptp4l0-21swapper/411:32:294
111391230,0ptp4l0-21swapper/411:20:054
111391230,0ptp4l0-21swapper/411:10:194
111391230,0ptp4l0-21swapper/411:00:174
111391230,0ptp4l0-21swapper/409:45:164
111391230,0ptp4l0-21swapper/409:40:554
111391230,0ptp4l0-21swapper/409:38:284
111391230,0ptp4l0-21swapper/409:30:144
111391230,0ptp4l0-21swapper/408:55:014
111391230,0ptp4l0-21swapper/408:50:124
111391230,0ptp4l0-21swapper/408:15:154
111391230,0ptp4l0-21swapper/408:05:114
111391230,0ptp4l0-21swapper/408:05:114
111391230,0ptp4l0-21swapper/408:00:124
111391230,0ptp4l0-21swapper/407:10:164
111391230,0ptp4l0-21swapper/312:30:113
111391230,0ptp4l0-21swapper/309:20:123
111391230,0ptp4l0-21swapper/111:40:161
111391230,0ptp4l0-21swapper/110:50:161
111391230,0ptp4l0-21swapper/110:40:121
111391230,0ptp4l0-21swapper/109:11:431
111391230,0ptp4l0-21swapper/109:05:121
111391230,0ptp4l0-21swapper/108:55:201
111391230,0ptp4l0-21swapper/108:35:151
111391230,0ptp4l0-21swapper/108:05:201
111391230,0ptp4l0-21swapper/108:05:191
111391230,0ptp4l0-21swapper/107:55:151
111391230,0ptp4l0-21swapper/012:20:180
111391230,0ptp4l0-21swapper/011:42:290
111391230,0ptp4l0-21swapper/011:20:180
111391230,0ptp4l0-21swapper/011:15:120
111391230,0ptp4l0-21swapper/011:00:160
111391230,0ptp4l0-21swapper/009:45:160
111391230,0ptp4l0-21swapper/009:25:190
111391230,0ptp4l0-21swapper/009:21:170
111391230,0ptp4l0-21swapper/008:40:110
111391230,0ptp4l0-21swapper/008:30:150
111391230,0ptp4l0-21swapper/008:25:140
111391230,0ptp4l0-21swapper/008:20:130
111391220,4ptp4l0-21swapper/010:51:030
111391220,1ptp4l31773-21timerwakeupswit08:30:204
111391220,0ptp4l2294-21ssh12:36:151
111391220,0ptp4l16069-21diskmemload10:55:035
111391220,0ptp4l0-21swapper/712:00:117
111391220,0ptp4l0-21swapper/711:07:197
111391220,0ptp4l0-21swapper/710:07:497
111391220,0ptp4l0-21swapper/710:00:137
111391220,0ptp4l0-21swapper/709:20:137
111391220,0ptp4l0-21swapper/512:35:195
111391220,0ptp4l0-21swapper/511:57:505
111391220,0ptp4l0-21swapper/511:40:465
111391220,0ptp4l0-21swapper/511:31:525
111391220,0ptp4l0-21swapper/511:28:045
111391220,0ptp4l0-21swapper/511:21:515
111391220,0ptp4l0-21swapper/511:13:135
111391220,0ptp4l0-21swapper/511:05:105
111391220,0ptp4l0-21swapper/510:40:215
111391220,0ptp4l0-21swapper/510:15:325
111391220,0ptp4l0-21swapper/510:10:185
111391220,0ptp4l0-21swapper/509:45:435
111391220,0ptp4l0-21swapper/509:37:265
111391220,0ptp4l0-21swapper/508:35:175
111391220,0ptp4l0-21swapper/508:20:205
111391220,0ptp4l0-21swapper/507:45:095
111391220,0ptp4l0-21swapper/411:35:184
111391220,0ptp4l0-21swapper/411:09:514
111391220,0ptp4l0-21swapper/410:35:154
111391220,0ptp4l0-21swapper/409:15:344
111391220,0ptp4l0-21swapper/408:45:134
111391220,0ptp4l0-21swapper/408:26:204
111391220,0ptp4l0-21swapper/408:10:164
111391220,0ptp4l0-21swapper/408:10:154
111391220,0ptp4l0-21swapper/407:45:194
111391220,0ptp4l0-21swapper/407:28:314
111391220,0ptp4l0-21swapper/309:59:163
111391220,0ptp4l0-21swapper/309:12:213
111391220,0ptp4l0-21swapper/308:00:193
111391220,0ptp4l0-21swapper/307:15:133
111391220,0ptp4l0-21swapper/210:13:022
111391220,0ptp4l0-21swapper/112:24:021
111391220,0ptp4l0-21swapper/111:49:591
111391220,0ptp4l0-21swapper/111:15:131
111391220,0ptp4l0-21swapper/111:11:021
111391220,0ptp4l0-21swapper/110:55:011
111391220,0ptp4l0-21swapper/110:30:121
111391220,0ptp4l0-21swapper/110:26:411
111391220,0ptp4l0-21swapper/110:22:471
111391220,0ptp4l0-21swapper/109:54:571
111391220,0ptp4l0-21swapper/109:40:181
111391220,0ptp4l0-21swapper/109:27:091
111391220,0ptp4l0-21swapper/108:53:491
111391220,0ptp4l0-21swapper/108:30:131
111391220,0ptp4l0-21swapper/108:20:211
111391220,0ptp4l0-21swapper/107:50:011
111391220,0ptp4l0-21swapper/107:25:161
111391220,0ptp4l0-21swapper/012:33:510
111391220,0ptp4l0-21swapper/012:01:220
111391220,0ptp4l0-21swapper/011:35:190
111391220,0ptp4l0-21swapper/010:57:020
111391220,0ptp4l0-21swapper/010:35:160
111391220,0ptp4l0-21swapper/010:15:110
111391220,0ptp4l0-21swapper/010:01:110
111391220,0ptp4l0-21swapper/009:55:210
111391220,0ptp4l0-21swapper/009:35:140
111391220,0ptp4l0-21swapper/008:55:210
111391220,0ptp4l0-21swapper/008:45:200
111391220,0ptp4l0-21swapper/008:10:160
111391220,0ptp4l0-21swapper/008:10:150
111391220,0ptp4l0-21swapper/008:05:110
111391220,0ptp4l0-21swapper/008:05:100
111391220,0ptp4l0-21swapper/008:00:130
111391220,0ptp4l0-21swapper/007:25:210
111391210,3ptp4l0-21swapper/708:43:287
111391210,2ptp4l0-21swapper/409:00:254
111391210,2ptp4l0-21swapper/407:19:414
111391210,0ptp4l0-21swapper/711:59:597
111391210,0ptp4l0-21swapper/711:14:407
111391210,0ptp4l0-21swapper/710:48:147
111391210,0ptp4l0-21swapper/710:48:147
111391210,0ptp4l0-21swapper/608:10:176
111391210,0ptp4l0-21swapper/608:10:166
111391210,0ptp4l0-21swapper/512:31:105
111391210,0ptp4l0-21swapper/512:21:095
111391210,0ptp4l0-21swapper/512:15:125
111391210,0ptp4l0-21swapper/512:12:365
111391210,0ptp4l0-21swapper/512:08:075
111391210,0ptp4l0-21swapper/511:15:145
111391210,0ptp4l0-21swapper/510:46:475
111391210,0ptp4l0-21swapper/510:46:475
111391210,0ptp4l0-21swapper/510:30:165
111391210,0ptp4l0-21swapper/510:06:535
111391210,0ptp4l0-21swapper/510:03:435
111391210,0ptp4l0-21swapper/509:55:015
111391210,0ptp4l0-21swapper/509:42:235
111391210,0ptp4l0-21swapper/509:27:165
111391210,0ptp4l0-21swapper/509:17:475
111391210,0ptp4l0-21swapper/509:11:395
111391210,0ptp4l0-21swapper/508:30:115
111391210,0ptp4l0-21swapper/508:05:195
111391210,0ptp4l0-21swapper/508:05:185
111391210,0ptp4l0-21swapper/507:30:545
111391210,0ptp4l0-21swapper/409:05:144
111391210,0ptp4l0-21swapper/312:24:553
111391210,0ptp4l0-21swapper/312:00:163
111391210,0ptp4l0-21swapper/311:27:023
111391210,0ptp4l0-21swapper/311:14:393
111391210,0ptp4l0-21swapper/310:43:303
111391210,0ptp4l0-21swapper/307:33:063
111391210,0ptp4l0-21swapper/209:35:022
111391210,0ptp4l0-21swapper/112:30:511
111391210,0ptp4l0-21swapper/112:07:591
111391210,0ptp4l0-21swapper/111:31:491
111391210,0ptp4l0-21swapper/111:21:341
111391210,0ptp4l0-21swapper/110:36:111
111391210,0ptp4l0-21swapper/110:09:071
111391210,0ptp4l0-21swapper/110:02:021
111391210,0ptp4l0-21swapper/109:47:311
111391210,0ptp4l0-21swapper/109:31:081
111391210,0ptp4l0-21swapper/109:23:271
111391210,0ptp4l0-21swapper/109:03:211
111391210,0ptp4l0-21swapper/108:25:161
111391210,0ptp4l0-21swapper/108:10:011
111391210,0ptp4l0-21swapper/108:10:001
111391210,0ptp4l0-21swapper/108:01:021
111391210,0ptp4l0-21swapper/107:20:191
111391210,0ptp4l0-21swapper/011:55:140
111391210,0ptp4l0-21swapper/011:05:010
111391210,0ptp4l0-21swapper/010:40:010
111391210,0ptp4l0-21swapper/009:00:120
111391210,0ptp4l0-21swapper/008:37:220
111391200,0ptp4l0-21swapper/710:52:427
111391200,0ptp4l0-21swapper/708:07:067
111391200,0ptp4l0-21swapper/708:07:067
111391200,0ptp4l0-21swapper/707:50:517
111391200,0ptp4l0-21swapper/512:01:105
111391200,0ptp4l0-21swapper/511:47:375
111391200,0ptp4l0-21swapper/510:22:435
111391200,0ptp4l0-21swapper/509:23:545
111391200,0ptp4l0-21swapper/509:03:215
111391200,0ptp4l0-21swapper/507:41:255
111391200,0ptp4l0-21swapper/407:36:004
111391200,0ptp4l0-21swapper/310:07:423
111391200,0ptp4l0-21swapper/209:14:362
111391200,0ptp4l0-21swapper/112:10:191
111391200,0ptp4l0-21swapper/112:04:571
111391200,0ptp4l0-21swapper/111:55:501
111391200,0ptp4l0-21swapper/111:04:201
111391200,0ptp4l0-21swapper/110:45:591
111391200,0ptp4l0-21swapper/110:45:591
111391200,0ptp4l0-21swapper/110:15:331
111391200,0ptp4l0-21swapper/109:36:481
111391200,0ptp4l0-21swapper/007:58:300
111391200,0ptp4l0-21swapper/007:30:000
111391190,0ptp4l0-21swapper/710:43:287
111391190,0ptp4l0-21swapper/611:26:296
111391190,0ptp4l0-21swapper/510:26:425
111391190,0ptp4l0-21swapper/310:48:103
111391190,0ptp4l0-21swapper/310:48:103
111391190,0ptp4l0-21swapper/209:24:022
111391190,0ptp4l0-21swapper/108:44:271
111391190,0ptp4l0-21swapper/007:45:110
111391190,0ptp4l0-21swapper/007:36:220
111391180,1ptp4l25112-21pgrep08:15:265
111391180,0ptp4l0-21swapper/609:50:446
111391180,0ptp4l0-21swapper/509:05:135
92642170,1sleep7721ktimersoftd/711:15:157
111391170,0ptp4l0-21swapper/611:46:466
111391170,0ptp4l0-21swapper/610:13:046
111391160,0ptp4l0-21swapper/508:48:105
111391160,0ptp4l0-21swapper/507:23:585
111391160,0ptp4l0-21swapper/310:52:413
111391160,0ptp4l0-21swapper/210:06:162
111391160,0ptp4l0-21swapper/109:17:431
111391160,0ptp4l0-21swapper/108:46:181
111391160,0ptp4l0-21swapper/108:15:251
111391160,0ptp4l0-21swapper/107:30:381
111391160,0ptp4l0-21swapper/107:17:571
111391160,0ptp4l0-21swapper/107:11:251
111391150,0ptp4l0-21swapper/708:32:477
111391150,0ptp4l0-21swapper/707:32:417
111391150,0ptp4l0-21swapper/609:35:056
111391150,0ptp4l0-21swapper/609:24:046
111391150,0ptp4l0-21swapper/608:53:076
111391150,0ptp4l0-21swapper/607:25:576
111391150,0ptp4l0-21swapper/508:55:495
111391150,0ptp4l0-21swapper/508:50:205
111391150,0ptp4l0-21swapper/508:41:585
111391150,0ptp4l0-21swapper/508:01:045
111391150,0ptp4l0-21swapper/507:17:455
111391150,0ptp4l0-21swapper/507:11:285
111391150,0ptp4l0-21swapper/407:50:534
111391150,0ptp4l0-21swapper/308:43:283
111391150,0ptp4l0-21swapper/308:32:563
111391150,0ptp4l0-21swapper/308:07:093
111391150,0ptp4l0-21swapper/308:07:083
111391150,0ptp4l0-21swapper/307:50:463
111391150,0ptp4l0-21swapper/211:23:422
111391150,0ptp4l0-21swapper/210:46:162
111391150,0ptp4l0-21swapper/210:46:162
111391150,0ptp4l0-21swapper/007:51:010
111391140,0ptp4l0-21swapper/608:44:516
111391140,0ptp4l0-21swapper/607:39:586
111391140,0ptp4l0-21swapper/209:50:442
111391140,0ptp4l0-21swapper/208:46:572
111391140,0ptp4l0-21swapper/208:44:542
111391140,0ptp4l0-21swapper/208:29:082
111391140,0ptp4l0-21swapper/207:52:562
111391140,0ptp4l0-21swapper/207:39:592
111391140,0ptp4l0-21swapper/207:11:122
2532599120,11cyclictest3676-21ssh10:20:532
2536199110,10cyclictest0-21swapper/711:32:317
2536199110,10cyclictest0-21swapper/710:57:007
2536199110,10cyclictest0-21swapper/709:35:267
2532599110,10cyclictest0-21swapper/210:25:072
2535399100,9cyclictest0-21swapper/610:21:216
2535399100,9cyclictest0-21swapper/609:46:376
2535399100,0cyclictest0-21swapper/610:15:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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