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2025-12-25 - 17:19

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 Thu Dec 25, 2025 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916050,6phc2sys0-21swapper/407:09:084
111391590,5ptp4l0-21swapper/007:06:510
123942580,0sleep60-21swapper/608:45:126
239732570,0sleep50-21swapper/510:20:185
111391570,5ptp4l0-21swapper/107:09:251
3207125433,6sleep60-21swapper/607:08:226
3029425444,6sleep70-21swapper/707:05:017
3194125342,7sleep20-21swapper/207:06:412
3184225030,6sleep50-21swapper/507:05:245
3187824635,7sleep30-21swapper/307:05:533
111391350,0ptp4l0-21swapper/410:30:164
111391320,1ptp4l21189-21cpuspeed_turbos10:15:110
111391320,0ptp4l0-21swapper/708:10:137
111391320,0ptp4l0-21swapper/409:50:184
111391300,0ptp4l0-21swapper/611:55:156
111391270,3ptp4l0-21swapper/111:55:151
111391270,0ptp4l0-21swapper/011:25:180
111391260,0ptp4l0-21swapper/612:36:226
111391260,0ptp4l0-21swapper/408:50:004
111391250,1ptp4l4270-21users09:35:204
111391250,1ptp4l13554-21latency_hist12:20:000
111391250,0ptp4l641ktimersoftd/607:42:216
111391250,0ptp4l0-21swapper/411:05:164
111391250,0ptp4l0-21swapper/410:25:174
111391250,0ptp4l0-21swapper/410:05:204
111391250,0ptp4l0-21swapper/410:00:004
111391250,0ptp4l0-21swapper/212:25:162
111391250,0ptp4l0-21swapper/008:50:110
111391240,1ptp4l5087-21hddtemp_smartct10:50:120
111391240,1ptp4l29479-21ps08:10:170
111391240,1ptp4l11656-21sed09:55:000
111391240,0ptp4l0-21swapper/710:40:157
111391240,0ptp4l0-21swapper/511:45:125
111391240,0ptp4l0-21swapper/411:55:134
111391240,0ptp4l0-21swapper/410:55:134
111391240,0ptp4l0-21swapper/410:35:184
111391240,0ptp4l0-21swapper/409:40:114
111391240,0ptp4l0-21swapper/409:25:174
111391240,0ptp4l0-21swapper/408:35:154
111391240,0ptp4l0-21swapper/408:28:564
111391240,0ptp4l0-21swapper/407:45:204
111391240,0ptp4l0-21swapper/407:15:184
111391240,0ptp4l0-21swapper/011:15:120
111391240,0ptp4l0-21swapper/010:45:160
111391240,0ptp4l0-21swapper/010:30:210
111391240,0ptp4l0-21swapper/008:40:110
111391240,0ptp4l0-21swapper/007:35:120
111391230,0ptp4l0-21swapper/708:15:127
111391230,0ptp4l0-21swapper/707:25:137
111391230,0ptp4l0-21swapper/412:25:144
111391230,0ptp4l0-21swapper/412:20:134
111391230,0ptp4l0-21swapper/412:05:134
111391230,0ptp4l0-21swapper/411:35:194
111391230,0ptp4l0-21swapper/411:17:094
111391230,0ptp4l0-21swapper/411:00:174
111391230,0ptp4l0-21swapper/411:00:164
111391230,0ptp4l0-21swapper/410:50:164
111391230,0ptp4l0-21swapper/410:15:154
111391230,0ptp4l0-21swapper/409:30:184
111391230,0ptp4l0-21swapper/409:25:004
111391230,0ptp4l0-21swapper/409:15:124
111391230,0ptp4l0-21swapper/409:10:114
111391230,0ptp4l0-21swapper/409:05:144
111391230,0ptp4l0-21swapper/408:55:194
111391230,0ptp4l0-21swapper/408:50:164
111391230,0ptp4l0-21swapper/408:30:114
111391230,0ptp4l0-21swapper/408:13:334
111391230,0ptp4l0-21swapper/408:04:274
111391230,0ptp4l0-21swapper/407:35:154
111391230,0ptp4l0-21swapper/407:30:174
111391230,0ptp4l0-21swapper/407:20:144
111391230,0ptp4l0-21swapper/210:00:152
111391230,0ptp4l0-21swapper/012:20:160
111391230,0ptp4l0-21swapper/012:05:120
111391230,0ptp4l0-21swapper/011:40:090
111391230,0ptp4l0-21swapper/011:30:120
111391230,0ptp4l0-21swapper/011:20:130
111391230,0ptp4l0-21swapper/011:10:170
111391230,0ptp4l0-21swapper/010:12:110
111391230,0ptp4l0-21swapper/009:40:190
111391230,0ptp4l0-21swapper/009:26:580
111391230,0ptp4l0-21swapper/008:55:200
111391230,0ptp4l0-21swapper/008:35:130
111391230,0ptp4l0-21swapper/008:25:100
111391230,0ptp4l0-21swapper/008:20:150
111391230,0ptp4l0-21swapper/008:20:140
111391230,0ptp4l0-21swapper/008:00:010
111391230,0ptp4l0-21swapper/007:40:100
111391230,0ptp4l0-21swapper/007:10:180
111391220,0ptp4l20174-21strings07:50:164
111391220,0ptp4l0-21swapper/709:20:187
111391220,0ptp4l0-21swapper/709:00:127
111391220,0ptp4l0-21swapper/612:25:176
111391220,0ptp4l0-21swapper/612:10:116
111391220,0ptp4l0-21swapper/610:00:186
111391220,0ptp4l0-21swapper/607:30:156
111391220,0ptp4l0-21swapper/512:15:125
111391220,0ptp4l0-21swapper/412:30:194
111391220,0ptp4l0-21swapper/412:15:184
111391220,0ptp4l0-21swapper/412:00:164
111391220,0ptp4l0-21swapper/411:50:194
111391220,0ptp4l0-21swapper/411:45:224
111391220,0ptp4l0-21swapper/411:40:104
111391220,0ptp4l0-21swapper/411:25:124
111391220,0ptp4l0-21swapper/411:10:164
111391220,0ptp4l0-21swapper/410:45:134
111391220,0ptp4l0-21swapper/410:10:184
111391220,0ptp4l0-21swapper/409:45:124
111391220,0ptp4l0-21swapper/408:40:184
111391220,0ptp4l0-21swapper/408:05:104
111391220,0ptp4l0-21swapper/407:55:144
111391220,0ptp4l0-21swapper/407:28:244
111391220,0ptp4l0-21swapper/407:15:004
111391220,0ptp4l0-21swapper/312:35:193
111391220,0ptp4l0-21swapper/310:40:133
111391220,0ptp4l0-21swapper/310:34:433
111391220,0ptp4l0-21swapper/309:20:163
111391220,0ptp4l0-21swapper/309:00:123
111391220,0ptp4l0-21swapper/308:15:133
111391220,0ptp4l0-21swapper/308:10:113
111391220,0ptp4l0-21swapper/307:49:443
111391220,0ptp4l0-21swapper/212:10:122
111391220,0ptp4l0-21swapper/209:09:092
111391220,0ptp4l0-21swapper/208:45:162
111391220,0ptp4l0-21swapper/208:00:192
111391220,0ptp4l0-21swapper/207:35:012
111391220,0ptp4l0-21swapper/111:45:131
111391220,0ptp4l0-21swapper/111:05:131
111391220,0ptp4l0-21swapper/110:20:151
111391220,0ptp4l0-21swapper/108:38:401
111391220,0ptp4l0-21swapper/012:30:220
111391220,0ptp4l0-21swapper/012:25:140
111391220,0ptp4l0-21swapper/012:00:200
111391220,0ptp4l0-21swapper/011:55:110
111391220,0ptp4l0-21swapper/011:50:140
111391220,0ptp4l0-21swapper/011:45:190
111391220,0ptp4l0-21swapper/011:35:130
111391220,0ptp4l0-21swapper/011:05:190
111391220,0ptp4l0-21swapper/011:00:120
111391220,0ptp4l0-21swapper/011:00:120
111391220,0ptp4l0-21swapper/010:55:140
111391220,0ptp4l0-21swapper/010:25:180
111391220,0ptp4l0-21swapper/010:00:140
111391220,0ptp4l0-21swapper/009:45:200
111391220,0ptp4l0-21swapper/009:35:180
111391220,0ptp4l0-21swapper/009:30:200
111391220,0ptp4l0-21swapper/009:23:170
111391220,0ptp4l0-21swapper/009:15:120
111391220,0ptp4l0-21swapper/009:10:170
111391220,0ptp4l0-21swapper/008:30:160
111391220,0ptp4l0-21swapper/007:30:220
111391220,0ptp4l0-21swapper/007:20:140
111391220,0ptp4l0-21swapper/007:15:190
111391210,0ptp4l0-21swapper/611:49:246
111391210,0ptp4l0-21swapper/611:05:136
111391210,0ptp4l0-21swapper/610:44:326
111391210,0ptp4l0-21swapper/610:07:596
111391210,0ptp4l0-21swapper/609:18:436
111391210,0ptp4l0-21swapper/608:36:056
111391210,0ptp4l0-21swapper/608:00:176
111391210,0ptp4l0-21swapper/507:45:165
111391210,0ptp4l0-21swapper/412:35:124
111391210,0ptp4l0-21swapper/411:30:154
111391210,0ptp4l0-21swapper/411:20:204
111391210,0ptp4l0-21swapper/410:43:034
111391210,0ptp4l0-21swapper/410:20:194
111391210,0ptp4l0-21swapper/410:00:144
111391210,0ptp4l0-21swapper/409:01:574
111391210,0ptp4l0-21swapper/408:20:224
111391210,0ptp4l0-21swapper/408:20:224
111391210,0ptp4l0-21swapper/407:40:134
111391210,0ptp4l0-21swapper/310:39:583
111391210,0ptp4l0-21swapper/308:59:103
111391210,0ptp4l0-21swapper/307:25:113
111391210,0ptp4l0-21swapper/211:55:152
111391210,0ptp4l0-21swapper/211:36:582
111391210,0ptp4l0-21swapper/211:05:142
111391210,0ptp4l0-21swapper/209:01:522
111391210,0ptp4l0-21swapper/208:26:242
111391210,0ptp4l0-21swapper/207:16:462
111391210,0ptp4l0-21swapper/112:15:121
111391210,0ptp4l0-21swapper/107:45:151
111391210,0ptp4l0-21swapper/012:35:150
111391210,0ptp4l0-21swapper/010:20:180
111391210,0ptp4l0-21swapper/010:05:010
111391210,0ptp4l0-21swapper/009:55:120
111391210,0ptp4l0-21swapper/009:05:200
111391210,0ptp4l0-21swapper/009:02:230
111391210,0ptp4l0-21swapper/008:05:110
111391210,0ptp4l0-21swapper/007:55:090
111391210,0ptp4l0-21swapper/007:50:110
111391210,0ptp4l0-21swapper/007:45:200
111391200,0ptp4l0-21swapper/711:14:007
111391200,0ptp4l0-21swapper/710:34:487
111391200,0ptp4l0-21swapper/710:12:597
111391200,0ptp4l0-21swapper/708:09:237
111391200,0ptp4l0-21swapper/612:06:206
111391200,0ptp4l0-21swapper/611:43:006
111391200,0ptp4l0-21swapper/608:23:126
111391200,0ptp4l0-21swapper/608:23:126
111391200,0ptp4l0-21swapper/412:14:244
111391200,0ptp4l0-21swapper/311:14:063
111391200,0ptp4l0-21swapper/307:53:243
111391200,0ptp4l0-21swapper/211:18:042
111391200,0ptp4l0-21swapper/211:11:592
111391200,0ptp4l0-21swapper/210:36:592
111391200,0ptp4l0-21swapper/210:14:242
111391200,0ptp4l0-21swapper/208:38:572
111391200,0ptp4l0-21swapper/207:47:072
111391200,0ptp4l0-21swapper/112:04:561
111391200,0ptp4l0-21swapper/109:37:571
111391200,0ptp4l0-21swapper/012:12:230
111391200,0ptp4l0-21swapper/010:35:130
111391200,0ptp4l0-21swapper/008:45:050
111391200,0ptp4l0-21swapper/007:25:560
111391190,3ptp4l0-21swapper/010:42:460
111391190,0ptp4l0-21swapper/707:48:217
111391190,0ptp4l0-21swapper/611:17:006
111391190,0ptp4l0-21swapper/609:38:436
111391190,0ptp4l0-21swapper/608:19:236
111391190,0ptp4l0-21swapper/510:28:245
111391190,0ptp4l0-21swapper/507:30:005
111391190,0ptp4l0-21swapper/408:17:014
111391190,0ptp4l0-21swapper/211:45:172
111391190,0ptp4l0-21swapper/211:44:242
111391190,0ptp4l0-21swapper/210:23:522
111391190,0ptp4l0-21swapper/209:35:272
111391190,0ptp4l0-21swapper/208:32:232
111391190,0ptp4l0-21swapper/111:18:241
111391190,0ptp4l0-21swapper/110:37:591
126012180,0sleep30-21swapper/311:05:163
111391180,3ptp4l401ktimersoftd/308:07:013
111391180,0ptp4l0-21swapper/709:28:017
111391180,0ptp4l0-21swapper/609:54:556
111391180,0ptp4l0-21swapper/609:48:416
111391180,0ptp4l0-21swapper/311:04:003
111391180,0ptp4l0-21swapper/311:03:593
111391180,0ptp4l0-21swapper/309:36:243
111391180,0ptp4l0-21swapper/211:20:442
111391180,0ptp4l0-21swapper/210:40:592
111391180,0ptp4l0-21swapper/210:07:002
111391170,2ptp4l0-21swapper/112:24:571
111391170,2ptp4l0-21swapper/111:01:421
111391170,2ptp4l0-21swapper/111:01:421
111391170,0ptp4l0-21swapper/610:58:246
111391170,0ptp4l0-21swapper/608:10:166
111391170,0ptp4l0-21swapper/110:43:401
111391160,2ptp4l0-21swapper/611:38:506
111391160,1ptp4l65-21ksoftirqd/608:52:486
111391160,0ptp4l0-21swapper/712:35:197
111391160,0ptp4l0-21swapper/707:53:247
111391160,0ptp4l0-21swapper/611:12:036
111391160,0ptp4l0-21swapper/610:14:196
111391160,0ptp4l0-21swapper/609:23:106
111391160,0ptp4l0-21swapper/607:10:006
111391160,0ptp4l0-21swapper/507:11:345
111391160,0ptp4l0-21swapper/312:03:483
111391160,0ptp4l0-21swapper/212:32:312
111391160,0ptp4l0-21swapper/212:01:002
111391160,0ptp4l0-21swapper/209:48:362
111391160,0ptp4l0-21swapper/208:54:372
111391160,0ptp4l0-21swapper/208:05:102
111391160,0ptp4l0-21swapper/112:36:171
111391160,0ptp4l0-21swapper/112:14:451
111391160,0ptp4l0-21swapper/111:30:261
111391160,0ptp4l0-21swapper/110:50:031
111391160,0ptp4l0-21swapper/110:28:231
111391160,0ptp4l0-21swapper/110:18:001
111391160,0ptp4l0-21swapper/110:07:391
111391160,0ptp4l0-21swapper/109:47:011
111391160,0ptp4l0-21swapper/109:33:541
111391160,0ptp4l0-21swapper/109:05:021
111391160,0ptp4l0-21swapper/108:47:081
111391160,0ptp4l0-21swapper/108:30:271
111391160,0ptp4l0-21swapper/108:21:301
111391160,0ptp4l0-21swapper/108:21:291
111391160,0ptp4l0-21swapper/108:12:191
111391160,0ptp4l0-21swapper/107:29:561
111391160,0ptp4l0-21swapper/008:16:130
32517991513,1cyclictest0-21swapper/610:25:126
111391150,0ptp4l0-21swapper/711:03:347
111391150,0ptp4l0-21swapper/711:03:337
111391150,0ptp4l0-21swapper/710:39:287
111391150,0ptp4l0-21swapper/709:56:267
111391150,0ptp4l0-21swapper/708:58:217
111391150,0ptp4l0-21swapper/708:48:447
111391150,0ptp4l0-21swapper/707:32:137
111391150,0ptp4l0-21swapper/612:32:116
111391150,0ptp4l0-21swapper/612:23:596
111391150,0ptp4l0-21swapper/612:16:116
111391150,0ptp4l0-21swapper/612:01:056
111391150,0ptp4l0-21swapper/611:52:016
111391150,0ptp4l0-21swapper/611:30:266
111391150,0ptp4l0-21swapper/611:26:546
111391150,0ptp4l0-21swapper/611:20:446
111391150,0ptp4l0-21swapper/611:02:246
111391150,0ptp4l0-21swapper/611:02:246
111391150,0ptp4l0-21swapper/610:39:006
111391150,0ptp4l0-21swapper/610:22:496
111391150,0ptp4l0-21swapper/610:18:086
111391150,0ptp4l0-21swapper/609:55:036
111391150,0ptp4l0-21swapper/609:42:596
111391150,0ptp4l0-21swapper/609:31:276
111391150,0ptp4l0-21swapper/609:26:246
111391150,0ptp4l0-21swapper/609:05:386
111391150,0ptp4l0-21swapper/609:00:586
111391150,0ptp4l0-21swapper/608:56:126
111391150,0ptp4l0-21swapper/608:31:176
111391150,0ptp4l0-21swapper/608:25:526
111391150,0ptp4l0-21swapper/607:45:096
111391150,0ptp4l0-21swapper/607:35:016
111391150,0ptp4l0-21swapper/607:28:556
111391150,0ptp4l0-21swapper/607:23:146
111391150,0ptp4l0-21swapper/607:16:456
111391150,0ptp4l0-21swapper/512:24:575
111391150,0ptp4l0-21swapper/512:10:105
111391150,0ptp4l0-21swapper/512:04:555
111391150,0ptp4l0-21swapper/511:56:205
111391150,0ptp4l0-21swapper/511:50:495
111391150,0ptp4l0-21swapper/511:36:045
111391150,0ptp4l0-21swapper/511:18:255
111391150,0ptp4l0-21swapper/511:05:385
111391150,0ptp4l0-21swapper/510:55:065
111391150,0ptp4l0-21swapper/510:48:485
111391150,0ptp4l0-21swapper/510:37:085
111391150,0ptp4l0-21swapper/510:19:505
111391150,0ptp4l0-21swapper/510:05:585
111391150,0ptp4l0-21swapper/509:43:125
111391150,0ptp4l0-21swapper/509:37:595
111391150,0ptp4l0-21swapper/509:30:025
111391150,0ptp4l0-21swapper/509:26:295
111391150,0ptp4l0-21swapper/509:24:525
111391150,0ptp4l0-21swapper/509:19:465
111391150,0ptp4l0-21swapper/509:00:515
111391150,0ptp4l0-21swapper/508:50:245
111391150,0ptp4l0-21swapper/508:47:015
111391150,0ptp4l0-21swapper/508:38:365
111391150,0ptp4l0-21swapper/508:31:595
111391150,0ptp4l0-21swapper/508:26:485
111391150,0ptp4l0-21swapper/508:18:165
111391150,0ptp4l0-21swapper/508:01:045
111391150,0ptp4l0-21swapper/507:51:135
111391150,0ptp4l0-21swapper/507:37:585
111391150,0ptp4l0-21swapper/507:30:015
111391150,0ptp4l0-21swapper/310:12:513
111391150,0ptp4l0-21swapper/308:48:583
111391150,0ptp4l0-21swapper/212:24:022
111391150,0ptp4l0-21swapper/212:16:122
111391150,0ptp4l0-21swapper/211:54:062
111391150,0ptp4l0-21swapper/211:30:292
111391150,0ptp4l0-21swapper/210:56:512
111391150,0ptp4l0-21swapper/210:51:112
111391150,0ptp4l0-21swapper/210:25:492
111391150,0ptp4l0-21swapper/210:16:292
111391150,0ptp4l0-21swapper/209:55:062
111391150,0ptp4l0-21swapper/209:54:292
111391150,0ptp4l0-21swapper/209:29:012
111391150,0ptp4l0-21swapper/209:18:432
111391150,0ptp4l0-21swapper/209:10:462
111391150,0ptp4l0-21swapper/208:21:002
111391150,0ptp4l0-21swapper/208:20:592
111391150,0ptp4l0-21swapper/208:17:502
111391150,0ptp4l0-21swapper/208:11:542
111391150,0ptp4l0-21swapper/207:50:502
111391150,0ptp4l0-21swapper/207:41:542
111391150,0ptp4l0-21swapper/207:10:372
111391150,0ptp4l0-21swapper/112:32:061
111391150,0ptp4l0-21swapper/112:06:021
111391150,0ptp4l0-21swapper/111:50:471
111391150,0ptp4l0-21swapper/111:41:311
111391150,0ptp4l0-21swapper/111:36:001
111391150,0ptp4l0-21swapper/111:28:131
111391150,0ptp4l0-21swapper/111:22:051
111391150,0ptp4l0-21swapper/110:55:021
111391150,0ptp4l0-21swapper/110:47:141
111391150,0ptp4l0-21swapper/110:10:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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