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2026-01-11 - 18:16

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 Sun Jan 11, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/407:09:144
124726049,6sleep70-21swapper/707:09:287
111391600,6ptp4l0-21swapper/007:07:570
111391600,12ptp4l0-21swapper/507:05:205
45522580,0sleep60-21swapper/610:08:446
111391570,5ptp4l0-21swapper/107:05:391
98725634,7sleep60-21swapper/607:06:236
115325534,7sleep30-21swapper/307:08:203
123125432,7sleep20-21swapper/207:09:152
111391390,0ptp4l0-21swapper/407:15:004
111391350,8ptp4l0-21swapper/409:35:154
111391340,0ptp4l0-21swapper/409:15:424
111391340,0ptp4l0-21swapper/008:55:110
111391330,5ptp4l5260-21processes09:25:170
111391320,4ptp4l0-21swapper/412:15:354
111391320,0ptp4l0-21swapper/512:30:155
111391320,0ptp4l0-21swapper/407:45:204
111391320,0ptp4l0-21swapper/109:45:121
111391310,0ptp4l0-21swapper/711:33:067
111391310,0ptp4l0-21swapper/710:13:517
111391310,0ptp4l0-21swapper/011:53:450
111391310,0ptp4l0-21swapper/011:00:170
111391300,0ptp4l0-21swapper/111:37:261
111391300,0ptp4l0-21swapper/010:26:250
111391300,0ptp4l0-21swapper/009:12:110
111391290,3ptp4l0-21swapper/412:02:044
111391290,2ptp4l0-21swapper/509:12:235
111391290,0ptp4l0-21swapper/510:24:195
111391290,0ptp4l0-21swapper/410:39:484
111391290,0ptp4l0-21swapper/010:15:130
111391290,0ptp4l0-21swapper/009:40:130
111391290,0ptp4l0-21swapper/009:19:270
111391280,3ptp4l0-21swapper/109:59:331
111391280,0ptp4l0-21swapper/512:21:495
111391280,0ptp4l0-21swapper/411:57:104
111391280,0ptp4l0-21swapper/409:42:094
111391280,0ptp4l0-21swapper/311:45:343
111391280,0ptp4l0-21swapper/011:59:460
111391280,0ptp4l0-21swapper/010:03:440
111391280,0ptp4l0-21swapper/008:54:440
111391270,1ptp4l2579-21ssh11:34:240
111391270,1ptp4l0-21swapper/112:09:191
111391270,0ptp4l0-21swapper/709:53:437
111391270,0ptp4l0-21swapper/709:46:547
111391270,0ptp4l0-21swapper/512:00:125
111391270,0ptp4l0-21swapper/412:07:184
111391270,0ptp4l0-21swapper/408:35:154
111391270,0ptp4l0-21swapper/408:35:144
111391270,0ptp4l0-21swapper/310:50:393
111391270,0ptp4l0-21swapper/010:45:030
111391270,0ptp4l0-21swapper/010:20:100
111391260,3ptp4l721ktimersoftd/711:41:177
111391260,3ptp4l0-21swapper/412:22:464
111391260,0ptp4l24822-21diskmemload11:22:024
111391260,0ptp4l0-21swapper/710:03:117
111391260,0ptp4l0-21swapper/412:35:334
111391260,0ptp4l0-21swapper/412:30:124
111391260,0ptp4l0-21swapper/411:46:274
111391260,0ptp4l0-21swapper/410:15:564
111391260,0ptp4l0-21swapper/109:11:101
111391260,0ptp4l0-21swapper/012:26:130
111391260,0ptp4l0-21swapper/012:18:490
111391260,0ptp4l0-21swapper/010:30:140
111391260,0ptp4l0-21swapper/009:58:510
111391260,0ptp4l0-21swapper/008:10:110
111391250,1ptp4l2985-21smart_sda10:05:194
111391250,1ptp4l1962-21cat09:20:200
111391250,1ptp4l160399cyclictest08:25:007
111391250,0ptp4l0-21swapper/710:34:527
111391250,0ptp4l0-21swapper/511:21:385
111391250,0ptp4l0-21swapper/412:13:054
111391250,0ptp4l0-21swapper/411:05:134
111391250,0ptp4l0-21swapper/410:55:354
111391250,0ptp4l0-21swapper/410:22:004
111391250,0ptp4l0-21swapper/410:12:414
111391250,0ptp4l0-21swapper/409:30:154
111391250,0ptp4l0-21swapper/408:30:214
111391250,0ptp4l0-21swapper/408:15:204
111391250,0ptp4l0-21swapper/407:55:004
111391250,0ptp4l0-21swapper/407:40:174
111391250,0ptp4l0-21swapper/309:24:183
111391250,0ptp4l0-21swapper/110:30:131
111391250,0ptp4l0-21swapper/011:06:170
111391250,0ptp4l0-21swapper/009:52:060
111391250,0ptp4l0-21swapper/009:45:200
111391250,0ptp4l0-21swapper/009:38:550
111391250,0ptp4l0-21swapper/009:31:190
111391250,0ptp4l0-21swapper/008:34:210
111391240,3ptp4l0-21swapper/709:23:547
111391240,2ptp4l481ktimersoftd/409:14:594
111391240,2ptp4l0-21swapper/110:57:101
111391240,1ptp4l7803-21missed_timers07:20:154
111391240,1ptp4l6446-21fw_conntrack12:25:134
111391240,1ptp4l2127-21hddtemp_smartct10:05:121
111391240,1ptp4l14505-21sed08:45:170
111391240,0ptp4l0-21swapper/709:43:537
111391240,0ptp4l0-21swapper/707:55:137
111391240,0ptp4l0-21swapper/609:55:156
111391240,0ptp4l0-21swapper/512:29:425
111391240,0ptp4l0-21swapper/512:10:005
111391240,0ptp4l0-21swapper/510:11:135
111391240,0ptp4l0-21swapper/509:52:225
111391240,0ptp4l0-21swapper/509:41:035
111391240,0ptp4l0-21swapper/411:30:094
111391240,0ptp4l0-21swapper/410:40:284
111391240,0ptp4l0-21swapper/410:27:474
111391240,0ptp4l0-21swapper/409:50:184
111391240,0ptp4l0-21swapper/409:49:114
111391240,0ptp4l0-21swapper/409:25:194
111391240,0ptp4l0-21swapper/407:55:134
111391240,0ptp4l0-21swapper/407:30:164
111391240,0ptp4l0-21swapper/308:50:053
111391240,0ptp4l0-21swapper/112:31:171
111391240,0ptp4l0-21swapper/112:13:461
111391240,0ptp4l0-21swapper/110:25:171
111391240,0ptp4l0-21swapper/109:33:491
111391240,0ptp4l0-21swapper/012:32:140
111391240,0ptp4l0-21swapper/012:14:090
111391240,0ptp4l0-21swapper/011:41:000
111391240,0ptp4l0-21swapper/010:55:110
111391240,0ptp4l0-21swapper/010:42:000
111391240,0ptp4l0-21swapper/010:12:050
111391240,0ptp4l0-21swapper/008:29:190
111391240,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/711:45:117
111391230,0ptp4l0-21swapper/710:35:137
111391230,0ptp4l0-21swapper/710:26:077
111391230,0ptp4l0-21swapper/708:50:127
111391230,0ptp4l0-21swapper/708:25:127
111391230,0ptp4l0-21swapper/612:10:176
111391230,0ptp4l0-21swapper/610:45:206
111391230,0ptp4l0-21swapper/610:25:226
111391230,0ptp4l0-21swapper/610:24:336
111391230,0ptp4l0-21swapper/511:55:155
111391230,0ptp4l0-21swapper/511:47:195
111391230,0ptp4l0-21swapper/511:27:185
111391230,0ptp4l0-21swapper/511:00:025
111391230,0ptp4l0-21swapper/510:52:115
111391230,0ptp4l0-21swapper/510:05:145
111391230,0ptp4l0-21swapper/510:00:125
111391230,0ptp4l0-21swapper/509:55:135
111391230,0ptp4l0-21swapper/508:20:205
111391230,0ptp4l0-21swapper/508:10:165
111391230,0ptp4l0-21swapper/507:25:005
111391230,0ptp4l0-21swapper/411:50:134
111391230,0ptp4l0-21swapper/411:40:064
111391230,0ptp4l0-21swapper/411:25:134
111391230,0ptp4l0-21swapper/411:15:154
111391230,0ptp4l0-21swapper/411:15:154
111391230,0ptp4l0-21swapper/411:10:114
111391230,0ptp4l0-21swapper/411:00:194
111391230,0ptp4l0-21swapper/410:45:164
111391230,0ptp4l0-21swapper/410:30:434
111391230,0ptp4l0-21swapper/410:00:154
111391230,0ptp4l0-21swapper/409:55:224
111391230,0ptp4l0-21swapper/409:20:134
111391230,0ptp4l0-21swapper/408:55:134
111391230,0ptp4l0-21swapper/408:45:174
111391230,0ptp4l0-21swapper/408:40:114
111391230,0ptp4l0-21swapper/408:40:114
111391230,0ptp4l0-21swapper/408:05:154
111391230,0ptp4l0-21swapper/408:00:134
111391230,0ptp4l0-21swapper/407:35:144
111391230,0ptp4l0-21swapper/407:15:144
111391230,0ptp4l0-21swapper/312:02:593
111391230,0ptp4l0-21swapper/311:43:463
111391230,0ptp4l0-21swapper/310:14:153
111391230,0ptp4l0-21swapper/310:02:303
111391230,0ptp4l0-21swapper/308:25:203
111391230,0ptp4l0-21swapper/211:20:042
111391230,0ptp4l0-21swapper/112:25:191
111391230,0ptp4l0-21swapper/112:20:111
111391230,0ptp4l0-21swapper/112:00:101
111391230,0ptp4l0-21swapper/111:55:171
111391230,0ptp4l0-21swapper/111:20:181
111391230,0ptp4l0-21swapper/111:11:241
111391230,0ptp4l0-21swapper/111:00:031
111391230,0ptp4l0-21swapper/110:47:241
111391230,0ptp4l0-21swapper/109:52:491
111391230,0ptp4l0-21swapper/108:35:211
111391230,0ptp4l0-21swapper/108:35:211
111391230,0ptp4l0-21swapper/107:25:131
111391230,0ptp4l0-21swapper/012:35:170
111391230,0ptp4l0-21swapper/012:20:080
111391230,0ptp4l0-21swapper/012:00:130
111391230,0ptp4l0-21swapper/011:45:160
111391230,0ptp4l0-21swapper/011:35:140
111391230,0ptp4l0-21swapper/011:25:020
111391230,0ptp4l0-21swapper/011:20:110
111391230,0ptp4l0-21swapper/011:15:160
111391230,0ptp4l0-21swapper/011:15:150
111391230,0ptp4l0-21swapper/011:13:590
111391230,0ptp4l0-21swapper/010:39:000
111391230,0ptp4l0-21swapper/010:06:130
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/009:00:160
111391230,0ptp4l0-21swapper/008:35:010
111391230,0ptp4l0-21swapper/008:35:010
111391230,0ptp4l0-21swapper/008:20:110
111391230,0ptp4l0-21swapper/008:15:170
111391230,0ptp4l0-21swapper/008:00:120
111391230,0ptp4l0-21swapper/007:35:140
111391230,0ptp4l0-21swapper/007:30:120
111391230,0ptp4l0-21swapper/007:20:140
111391230,0ptp4l0-21swapper/007:10:160
111391220,3ptp4l0-21swapper/507:57:155
111391220,2ptp4l0-21swapper/110:41:151
111391220,0ptp4l24822-21diskmemload09:16:511
111391220,0ptp4l0-21swapper/712:02:537
111391220,0ptp4l0-21swapper/711:29:127
111391220,0ptp4l0-21swapper/710:50:147
111391220,0ptp4l0-21swapper/709:14:367
111391220,0ptp4l0-21swapper/708:33:547
111391220,0ptp4l0-21swapper/612:25:156
111391220,0ptp4l0-21swapper/611:21:426
111391220,0ptp4l0-21swapper/609:46:506
111391220,0ptp4l0-21swapper/609:29:366
111391220,0ptp4l0-21swapper/512:36:185
111391220,0ptp4l0-21swapper/512:11:455
111391220,0ptp4l0-21swapper/511:50:125
111391220,0ptp4l0-21swapper/511:40:195
111391220,0ptp4l0-21swapper/511:39:195
111391220,0ptp4l0-21swapper/511:30:175
111391220,0ptp4l0-21swapper/511:06:465
111391220,0ptp4l0-21swapper/510:58:305
111391220,0ptp4l0-21swapper/510:45:585
111391220,0ptp4l0-21swapper/510:41:325
111391220,0ptp4l0-21swapper/510:30:135
111391220,0ptp4l0-21swapper/510:25:185
111391220,0ptp4l0-21swapper/509:45:125
111391220,0ptp4l0-21swapper/509:26:185
111391220,0ptp4l0-21swapper/509:22:455
111391220,0ptp4l0-21swapper/508:05:115
111391220,0ptp4l0-21swapper/508:00:225
111391220,0ptp4l0-21swapper/507:50:205
111391220,0ptp4l0-21swapper/507:25:165
111391220,0ptp4l0-21swapper/411:35:004
111391220,0ptp4l0-21swapper/410:51:204
111391220,0ptp4l0-21swapper/409:05:154
111391220,0ptp4l0-21swapper/409:00:184
111391220,0ptp4l0-21swapper/408:50:164
111391220,0ptp4l0-21swapper/408:30:004
111391220,0ptp4l0-21swapper/408:20:154
111391220,0ptp4l0-21swapper/408:10:194
111391220,0ptp4l0-21swapper/407:25:214
111391220,0ptp4l0-21swapper/312:40:003
111391220,0ptp4l0-21swapper/311:25:533
111391220,0ptp4l0-21swapper/310:35:153
111391220,0ptp4l0-21swapper/310:28:503
111391220,0ptp4l0-21swapper/310:07:353
111391220,0ptp4l0-21swapper/309:43:523
111391220,0ptp4l0-21swapper/307:55:163
111391220,0ptp4l0-21swapper/212:32:212
111391220,0ptp4l0-21swapper/210:45:162
111391220,0ptp4l0-21swapper/210:38:522
111391220,0ptp4l0-21swapper/210:25:242
111391220,0ptp4l0-21swapper/210:17:192
111391220,0ptp4l0-21swapper/210:01:022
111391220,0ptp4l0-21swapper/208:35:162
111391220,0ptp4l0-21swapper/208:35:152
111391220,0ptp4l0-21swapper/112:37:451
111391220,0ptp4l0-21swapper/112:16:461
111391220,0ptp4l0-21swapper/111:50:341
111391220,0ptp4l0-21swapper/111:40:171
111391220,0ptp4l0-21swapper/111:30:151
111391220,0ptp4l0-21swapper/111:26:471
111391220,0ptp4l0-21swapper/111:16:321
111391220,0ptp4l0-21swapper/111:16:311
111391220,0ptp4l0-21swapper/111:05:461
111391220,0ptp4l0-21swapper/110:52:031
111391220,0ptp4l0-21swapper/110:22:151
111391220,0ptp4l0-21swapper/110:19:231
111391220,0ptp4l0-21swapper/110:10:231
111391220,0ptp4l0-21swapper/109:41:101
111391220,0ptp4l0-21swapper/109:26:051
111391220,0ptp4l0-21swapper/108:31:271
111391220,0ptp4l0-21swapper/108:20:211
111391220,0ptp4l0-21swapper/108:05:131
111391220,0ptp4l0-21swapper/107:20:101
111391220,0ptp4l0-21swapper/012:05:040
111391220,0ptp4l0-21swapper/010:52:180
111391220,0ptp4l0-21swapper/008:40:130
111391220,0ptp4l0-21swapper/008:40:130
111391220,0ptp4l0-21swapper/008:05:160
111391220,0ptp4l0-21swapper/007:55:130
111391220,0ptp4l0-21swapper/007:53:400
111391220,0ptp4l0-21swapper/007:25:220
111391220,0ptp4l0-21swapper/007:15:180
111391210,0ptp4l0-21swapper/712:39:357
111391210,0ptp4l0-21swapper/710:08:057
111391210,0ptp4l0-21swapper/612:31:546
111391210,0ptp4l0-21swapper/611:53:056
111391210,0ptp4l0-21swapper/609:36:376
111391210,0ptp4l0-21swapper/512:15:125
111391210,0ptp4l0-21swapper/510:18:515
111391210,0ptp4l0-21swapper/509:32:475
111391210,0ptp4l0-21swapper/508:53:515
111391210,0ptp4l0-21swapper/508:31:125
111391210,0ptp4l0-21swapper/508:28:425
111391210,0ptp4l0-21swapper/507:40:125
111391210,0ptp4l0-21swapper/507:16:195
111391210,0ptp4l0-21swapper/311:33:083
111391210,0ptp4l0-21swapper/310:34:253
111391210,0ptp4l0-21swapper/211:53:022
111391210,0ptp4l0-21swapper/211:47:372
111391210,0ptp4l0-21swapper/211:37:032
111391210,0ptp4l0-21swapper/210:24:342
111391210,0ptp4l0-21swapper/210:05:032
111391210,0ptp4l0-21swapper/207:48:272
111391210,0ptp4l0-21swapper/110:39:221
111391210,0ptp4l0-21swapper/110:00:351
111391210,0ptp4l0-21swapper/109:38:141
111391210,0ptp4l0-21swapper/109:05:271
111391210,0ptp4l0-21swapper/109:04:271
111391210,0ptp4l0-21swapper/108:56:181
111391210,0ptp4l0-21swapper/108:45:111
111391210,0ptp4l0-21swapper/108:10:141
111391210,0ptp4l0-21swapper/108:00:211
111391210,0ptp4l0-21swapper/107:50:181
111391210,0ptp4l0-21swapper/007:40:150
111391200,2ptp4l641ktimersoftd/608:21:386
111391200,0ptp4l0-21swapper/709:09:257
111391200,0ptp4l0-21swapper/708:49:227
111391200,0ptp4l0-21swapper/708:11:277
111391200,0ptp4l0-21swapper/611:37:006
111391200,0ptp4l0-21swapper/610:34:126
111391200,0ptp4l0-21swapper/609:40:326
111391200,0ptp4l0-21swapper/608:59:236
111391200,0ptp4l0-21swapper/511:11:295
111391200,0ptp4l0-21swapper/509:36:155
111391200,0ptp4l0-21swapper/509:19:115
111391200,0ptp4l0-21swapper/508:57:275
111391200,0ptp4l0-21swapper/309:53:413
111391200,0ptp4l0-21swapper/309:46:583
111391200,0ptp4l0-21swapper/308:09:433
111391200,0ptp4l0-21swapper/209:55:012
111391200,0ptp4l0-21swapper/209:43:072
111391200,0ptp4l0-21swapper/209:36:072
111391200,0ptp4l0-21swapper/209:10:502
111391200,0ptp4l0-21swapper/111:49:351
111391200,0ptp4l0-21swapper/108:27:461
111391200,0ptp4l0-21swapper/108:19:511
111391200,0ptp4l0-21swapper/107:44:281
111391200,0ptp4l0-21swapper/107:39:121
111391190,2ptp4l0-21swapper/607:48:366
111391190,0ptp4l0-21swapper/710:49:577
111391190,0ptp4l0-21swapper/708:41:437
111391190,0ptp4l0-21swapper/708:41:437
111391190,0ptp4l0-21swapper/708:08:437
111391190,0ptp4l0-21swapper/609:53:386
111391190,0ptp4l0-21swapper/511:19:255
111391190,0ptp4l0-21swapper/511:19:255
111391190,0ptp4l0-21swapper/510:39:515
111391190,0ptp4l0-21swapper/509:07:445
111391190,0ptp4l0-21swapper/509:02:445
111391190,0ptp4l0-21swapper/507:46:455
111391190,0ptp4l0-21swapper/310:49:543
111391190,0ptp4l0-21swapper/310:15:013
111391190,0ptp4l0-21swapper/209:29:352
111391190,0ptp4l0-21swapper/107:14:241
222902180,0sleep20-21swapper/211:15:212
222902180,0sleep20-21swapper/211:15:212
111391180,0ptp4l0-21swapper/611:49:466
111391180,0ptp4l0-21swapper/610:17:186
111391180,0ptp4l0-21swapper/610:01:086
111391180,0ptp4l0-21swapper/508:45:125
111391180,0ptp4l0-21swapper/308:41:163
111391180,0ptp4l0-21swapper/308:41:163
111391180,0ptp4l0-21swapper/308:11:583
111391180,0ptp4l0-21swapper/212:11:262
111391180,0ptp4l0-21swapper/211:34:232
111391180,0ptp4l0-21swapper/209:53:322
111391180,0ptp4l0-21swapper/209:47:102
111391180,0ptp4l0-21swapper/207:58:102
111391180,0ptp4l0-21swapper/109:21:111
111391180,0ptp4l0-21swapper/107:47:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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