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2026-03-28 - 22:50

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 Sat Mar 28, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301202640,0sleep10-21swapper/109:42:311
111391630,5ptp4l0-21swapper/407:07:434
111391580,5ptp4l0-21swapper/007:08:120
214052550,0sleep233-21ksoftirqd/211:45:362
187702530,0sleep40-21swapper/411:43:214
1463425333,6sleep70-21swapper/707:09:317
1454725343,6sleep20-21swapper/207:08:232
1443825231,7sleep30-21swapper/307:07:033
1461925140,7sleep10-21swapper/107:09:171
1442224836,7sleep50-21swapper/507:06:495
1464424736,7sleep60-21swapper/607:09:396
111391470,0ptp4l23397-21ssh09:33:211
111391330,0ptp4l0-21swapper/112:35:141
111391330,0ptp4l0-21swapper/008:20:200
111391320,0ptp4l0-21swapper/110:50:441
111391320,0ptp4l0-21swapper/110:00:531
111391310,0ptp4l0-21swapper/010:38:200
111391310,0ptp4l0-21swapper/009:30:120
111391300,0ptp4l0-21swapper/412:25:214
111391300,0ptp4l0-21swapper/409:23:054
111391300,0ptp4l0-21swapper/409:14:584
111391290,0ptp4l0-21swapper/211:40:182
111391290,0ptp4l0-21swapper/012:32:530
111391290,0ptp4l0-21swapper/011:58:580
111391290,0ptp4l0-21swapper/010:06:180
111391280,0ptp4l0-21swapper/410:40:214
111391280,0ptp4l0-21swapper/407:15:194
111391280,0ptp4l0-21swapper/111:27:101
111391280,0ptp4l0-21swapper/110:06:351
111391280,0ptp4l0-21swapper/012:22:430
111391280,0ptp4l0-21swapper/011:31:060
111391280,0ptp4l0-21swapper/011:05:140
111391280,0ptp4l0-21swapper/011:00:300
111391280,0ptp4l0-21swapper/010:58:030
111391280,0ptp4l0-21swapper/009:20:190
111391270,0ptp4l0-21swapper/409:43:324
111391270,0ptp4l0-21swapper/109:50:471
111391270,0ptp4l0-21swapper/012:37:180
111391270,0ptp4l0-21swapper/012:06:340
111391270,0ptp4l0-21swapper/012:02:010
111391270,0ptp4l0-21swapper/009:15:170
111391270,0ptp4l0-21swapper/007:56:060
111391260,1ptp4l0-21swapper/011:49:040
111391260,0ptp4l0-21swapper/411:26:434
111391260,0ptp4l0-21swapper/410:37:014
111391260,0ptp4l0-21swapper/407:10:164
111391260,0ptp4l0-21swapper/112:29:441
111391260,0ptp4l0-21swapper/111:24:581
111391260,0ptp4l0-21swapper/009:45:120
111391250,2ptp4l2049-21irqrtprio12:05:154
111391250,1ptp4l28009-21fw_conntrack10:25:114
111391250,1ptp4l10516-21crond08:10:004
111391250,0ptp4l0-21swapper/512:38:275
111391250,0ptp4l0-21swapper/508:00:205
111391250,0ptp4l0-21swapper/410:50:004
111391250,0ptp4l0-21swapper/409:38:134
111391250,0ptp4l0-21swapper/111:17:531
111391250,0ptp4l0-21swapper/110:34:161
111391250,0ptp4l0-21swapper/108:05:131
111391250,0ptp4l0-21swapper/012:18:430
111391250,0ptp4l0-21swapper/012:10:440
111391250,0ptp4l0-21swapper/011:50:120
111391250,0ptp4l0-21swapper/010:27:530
111391250,0ptp4l0-21swapper/010:19:590
111391250,0ptp4l0-21swapper/008:10:130
111391240,1ptp4l4285-21df07:55:124
111391240,1ptp4l3334-21irqrtprio09:50:145
111391240,1ptp4l25180-21ps08:40:154
111391240,1ptp4l22522-21grep08:35:114
111391240,1ptp4l22522-21grep08:35:104
111391240,1ptp4l17251-21munin-node07:15:005
111391240,1ptp4l17041-21/usr/sbin/munin08:20:204
111391240,1ptp4l13461-21df08:15:124
111391240,0ptp4l0-21swapper/711:37:227
111391240,0ptp4l0-21swapper/510:00:005
111391240,0ptp4l0-21swapper/508:50:135
111391240,0ptp4l0-21swapper/508:15:155
111391240,0ptp4l0-21swapper/411:15:114
111391240,0ptp4l0-21swapper/410:13:444
111391240,0ptp4l0-21swapper/409:05:164
111391240,0ptp4l0-21swapper/408:25:174
111391240,0ptp4l0-21swapper/311:37:013
111391240,0ptp4l0-21swapper/309:15:013
111391240,0ptp4l0-21swapper/108:15:201
111391240,0ptp4l0-21swapper/108:00:171
111391240,0ptp4l0-21swapper/011:35:120
111391240,0ptp4l0-21swapper/010:47:400
111391240,0ptp4l0-21swapper/010:40:400
111391240,0ptp4l0-21swapper/010:10:150
111391240,0ptp4l0-21swapper/009:53:130
111391240,0ptp4l0-21swapper/009:26:500
111391240,0ptp4l0-21swapper/008:48:020
111391240,0ptp4l0-21swapper/008:30:230
111391240,0ptp4l0-21swapper/008:30:220
111391240,0ptp4l0-21swapper/007:15:160
111391230,1ptp4l3294-21timerandwakeup11:20:206
111391230,1ptp4l28979-21smart_sda09:40:190
111391230,1ptp4l1496699cyclictest09:55:115
111391230,1ptp4l13774-21switchtime11:35:191
111391230,0ptp4l21242-21strings07:20:164
111391230,0ptp4l0-21swapper/708:09:017
111391230,0ptp4l0-21swapper/611:40:196
111391230,0ptp4l0-21swapper/609:30:166
111391230,0ptp4l0-21swapper/608:36:436
111391230,0ptp4l0-21swapper/608:36:426
111391230,0ptp4l0-21swapper/512:15:135
111391230,0ptp4l0-21swapper/511:45:175
111391230,0ptp4l0-21swapper/511:27:175
111391230,0ptp4l0-21swapper/511:22:035
111391230,0ptp4l0-21swapper/510:55:195
111391230,0ptp4l0-21swapper/510:45:165
111391230,0ptp4l0-21swapper/510:15:195
111391230,0ptp4l0-21swapper/510:05:175
111391230,0ptp4l0-21swapper/509:19:405
111391230,0ptp4l0-21swapper/508:05:125
111391230,0ptp4l0-21swapper/412:36:294
111391230,0ptp4l0-21swapper/412:34:334
111391230,0ptp4l0-21swapper/412:20:164
111391230,0ptp4l0-21swapper/412:10:184
111391230,0ptp4l0-21swapper/411:55:154
111391230,0ptp4l0-21swapper/411:49:284
111391230,0ptp4l0-21swapper/411:30:164
111391230,0ptp4l0-21swapper/411:20:144
111391230,0ptp4l0-21swapper/411:03:414
111391230,0ptp4l0-21swapper/410:15:134
111391230,0ptp4l0-21swapper/410:09:584
111391230,0ptp4l0-21swapper/410:00:124
111391230,0ptp4l0-21swapper/409:45:184
111391230,0ptp4l0-21swapper/409:30:124
111391230,0ptp4l0-21swapper/408:55:164
111391230,0ptp4l0-21swapper/408:30:184
111391230,0ptp4l0-21swapper/408:30:174
111391230,0ptp4l0-21swapper/407:30:154
111391230,0ptp4l0-21swapper/209:51:562
111391230,0ptp4l0-21swapper/112:15:171
111391230,0ptp4l0-21swapper/111:52:511
111391230,0ptp4l0-21swapper/111:45:161
111391230,0ptp4l0-21swapper/111:00:131
111391230,0ptp4l0-21swapper/109:14:161
111391230,0ptp4l0-21swapper/108:50:111
111391230,0ptp4l0-21swapper/107:25:171
111391230,0ptp4l0-21swapper/012:25:000
111391230,0ptp4l0-21swapper/011:27:000
111391230,0ptp4l0-21swapper/011:15:130
111391230,0ptp4l0-21swapper/010:54:440
111391230,0ptp4l0-21swapper/010:30:390
111391230,0ptp4l0-21swapper/009:35:180
111391230,0ptp4l0-21swapper/009:14:000
111391230,0ptp4l0-21swapper/009:05:190
111391230,0ptp4l0-21swapper/009:00:190
111391230,0ptp4l0-21swapper/008:55:150
111391230,0ptp4l0-21swapper/008:25:150
111391230,0ptp4l0-21swapper/008:15:110
111391230,0ptp4l0-21swapper/007:30:010
111391220,1ptp4l25-21ksoftirqd/110:35:031
111391220,1ptp4l12627-21rm11:35:114
111391220,0ptp4l41-21ksoftirqd/309:42:143
111391220,0ptp4l0-21swapper/709:59:307
111391220,0ptp4l0-21swapper/709:15:077
111391220,0ptp4l0-21swapper/609:09:506
111391220,0ptp4l0-21swapper/512:31:095
111391220,0ptp4l0-21swapper/512:20:035
111391220,0ptp4l0-21swapper/511:59:405
111391220,0ptp4l0-21swapper/511:35:205
111391220,0ptp4l0-21swapper/511:00:135
111391220,0ptp4l0-21swapper/510:54:175
111391220,0ptp4l0-21swapper/510:42:155
111391220,0ptp4l0-21swapper/510:38:495
111391220,0ptp4l0-21swapper/510:30:165
111391220,0ptp4l0-21swapper/510:26:415
111391220,0ptp4l0-21swapper/509:42:475
111391220,0ptp4l0-21swapper/509:39:585
111391220,0ptp4l0-21swapper/509:33:305
111391220,0ptp4l0-21swapper/509:10:155
111391220,0ptp4l0-21swapper/509:02:065
111391220,0ptp4l0-21swapper/508:30:155
111391220,0ptp4l0-21swapper/508:30:145
111391220,0ptp4l0-21swapper/507:50:135
111391220,0ptp4l0-21swapper/507:35:115
111391220,0ptp4l0-21swapper/507:25:165
111391220,0ptp4l0-21swapper/412:16:044
111391220,0ptp4l0-21swapper/412:00:024
111391220,0ptp4l0-21swapper/411:50:104
111391220,0ptp4l0-21swapper/411:10:164
111391220,0ptp4l0-21swapper/411:10:154
111391220,0ptp4l0-21swapper/411:05:144
111391220,0ptp4l0-21swapper/410:58:094
111391220,0ptp4l0-21swapper/410:50:094
111391220,0ptp4l0-21swapper/410:30:014
111391220,0ptp4l0-21swapper/410:20:174
111391220,0ptp4l0-21swapper/409:55:274
111391220,0ptp4l0-21swapper/409:50:204
111391220,0ptp4l0-21swapper/409:25:104
111391220,0ptp4l0-21swapper/409:15:184
111391220,0ptp4l0-21swapper/409:00:184
111391220,0ptp4l0-21swapper/408:45:014
111391220,0ptp4l0-21swapper/408:05:014
111391220,0ptp4l0-21swapper/407:45:114
111391220,0ptp4l0-21swapper/407:40:154
111391220,0ptp4l0-21swapper/308:09:433
111391220,0ptp4l0-21swapper/211:20:172
111391220,0ptp4l0-21swapper/210:58:182
111391220,0ptp4l0-21swapper/209:21:062
111391220,0ptp4l0-21swapper/112:31:361
111391220,0ptp4l0-21swapper/112:20:131
111391220,0ptp4l0-21swapper/112:12:401
111391220,0ptp4l0-21swapper/111:59:291
111391220,0ptp4l0-21swapper/111:34:001
111391220,0ptp4l0-21swapper/111:08:411
111391220,0ptp4l0-21swapper/110:55:151
111391220,0ptp4l0-21swapper/110:46:521
111391220,0ptp4l0-21swapper/110:15:191
111391220,0ptp4l0-21swapper/109:56:341
111391220,0ptp4l0-21swapper/109:49:561
111391220,0ptp4l0-21swapper/109:17:011
111391220,0ptp4l0-21swapper/108:55:201
111391220,0ptp4l0-21swapper/108:30:241
111391220,0ptp4l0-21swapper/108:30:231
111391220,0ptp4l0-21swapper/107:50:151
111391220,0ptp4l0-21swapper/107:35:141
111391220,0ptp4l0-21swapper/107:34:591
111391220,0ptp4l0-21swapper/107:12:041
111391220,0ptp4l0-21swapper/011:40:200
111391220,0ptp4l0-21swapper/011:20:100
111391220,0ptp4l0-21swapper/011:10:190
111391220,0ptp4l0-21swapper/011:10:180
111391220,0ptp4l0-21swapper/010:20:200
111391220,0ptp4l0-21swapper/010:00:110
111391220,0ptp4l0-21swapper/009:55:170
111391220,0ptp4l0-21swapper/008:40:180
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/007:54:070
111391220,0ptp4l0-21swapper/007:45:100
111391220,0ptp4l0-21swapper/007:40:110
111391220,0ptp4l0-21swapper/007:20:190
111391210,1ptp4l29824-21ssh10:27:016
111391210,0ptp4l0-21swapper/712:21:207
111391210,0ptp4l0-21swapper/612:01:436
111391210,0ptp4l0-21swapper/610:58:196
111391210,0ptp4l0-21swapper/512:27:545
111391210,0ptp4l0-21swapper/512:09:505
111391210,0ptp4l0-21swapper/511:51:105
111391210,0ptp4l0-21swapper/511:18:055
111391210,0ptp4l0-21swapper/511:13:485
111391210,0ptp4l0-21swapper/511:13:485
111391210,0ptp4l0-21swapper/510:20:435
111391210,0ptp4l0-21swapper/510:13:125
111391210,0ptp4l0-21swapper/509:48:545
111391210,0ptp4l0-21swapper/509:28:025
111391210,0ptp4l0-21swapper/509:22:325
111391210,0ptp4l0-21swapper/309:59:163
111391210,0ptp4l0-21swapper/309:48:143
111391210,0ptp4l0-21swapper/212:37:562
111391210,0ptp4l0-21swapper/212:03:142
111391210,0ptp4l0-21swapper/209:30:162
111391210,0ptp4l0-21swapper/208:13:122
111391210,0ptp4l0-21swapper/112:07:301
111391210,0ptp4l0-21swapper/112:01:181
111391210,0ptp4l0-21swapper/111:41:331
111391210,0ptp4l0-21swapper/111:13:341
111391210,0ptp4l0-21swapper/111:13:341
111391210,0ptp4l0-21swapper/110:42:141
111391210,0ptp4l0-21swapper/110:22:091
111391210,0ptp4l0-21swapper/110:13:581
111391210,0ptp4l0-21swapper/109:36:501
111391210,0ptp4l0-21swapper/109:27:341
111391210,0ptp4l0-21swapper/109:24:061
111391210,0ptp4l0-21swapper/109:03:391
111391210,0ptp4l0-21swapper/007:35:570
111391210,0ptp4l0-21swapper/007:30:140
111391210,0ptp4l0-21swapper/007:10:180
111391200,0ptp4l0-21swapper/709:42:177
111391200,0ptp4l0-21swapper/709:11:317
111391200,0ptp4l0-21swapper/612:38:026
111391200,0ptp4l0-21swapper/611:57:246
111391200,0ptp4l0-21swapper/610:19:046
111391200,0ptp4l0-21swapper/609:52:016
111391200,0ptp4l0-21swapper/607:49:156
111391200,0ptp4l0-21swapper/512:12:345
111391200,0ptp4l0-21swapper/511:40:335
111391200,0ptp4l0-21swapper/511:07:055
111391200,0ptp4l0-21swapper/508:55:155
111391200,0ptp4l0-21swapper/507:44:165
111391200,0ptp4l0-21swapper/507:34:445
111391200,0ptp4l0-21swapper/408:54:164
111391200,0ptp4l0-21swapper/407:54:064
111391200,0ptp4l0-21swapper/407:36:534
111391200,0ptp4l0-21swapper/307:19:353
111391200,0ptp4l0-21swapper/212:06:202
111391200,0ptp4l0-21swapper/210:52:122
111391200,0ptp4l0-21swapper/210:19:062
111391200,0ptp4l0-21swapper/210:00:332
111391200,0ptp4l0-21swapper/110:25:031
111391200,0ptp4l0-21swapper/108:49:171
111391200,0ptp4l0-21swapper/108:41:121
111391200,0ptp4l0-21swapper/108:38:161
111391200,0ptp4l0-21swapper/108:38:151
111391200,0ptp4l0-21swapper/108:15:001
111391190,0ptp4l0-21swapper/712:33:377
111391190,0ptp4l0-21swapper/710:48:287
111391190,0ptp4l0-21swapper/707:18:377
111391190,0ptp4l0-21swapper/610:36:456
111391190,0ptp4l0-21swapper/609:14:426
111391190,0ptp4l0-21swapper/512:01:035
111391190,0ptp4l0-21swapper/511:33:535
111391190,0ptp4l0-21swapper/508:29:165
111391190,0ptp4l0-21swapper/309:14:593
111391190,0ptp4l0-21swapper/209:14:432
111391190,0ptp4l0-21swapper/208:04:512
111391190,0ptp4l0-21swapper/107:59:361
111391190,0ptp4l0-21swapper/008:06:170
111391180,0ptp4l0-21swapper/710:05:557
111391180,0ptp4l0-21swapper/611:17:156
111391180,0ptp4l0-21swapper/610:00:336
111391180,0ptp4l0-21swapper/508:48:575
111391180,0ptp4l0-21swapper/507:57:125
111391180,0ptp4l0-21swapper/408:01:554
111391180,0ptp4l0-21swapper/312:33:353
111391180,0ptp4l0-21swapper/310:05:533
111391180,0ptp4l0-21swapper/211:57:252
111391180,0ptp4l0-21swapper/210:36:452
111391180,0ptp4l0-21swapper/210:30:512
111391170,0ptp4l0-21swapper/709:48:137
111391170,0ptp4l0-21swapper/612:06:246
111391170,0ptp4l0-21swapper/608:33:276
111391170,0ptp4l0-21swapper/608:33:276
111391170,0ptp4l0-21swapper/211:17:132
111391170,0ptp4l0-21swapper/210:26:592
111391170,0ptp4l0-21swapper/209:47:582
111391170,0ptp4l0-21swapper/008:03:370
111391160,0ptp4l0-21swapper/609:47:596
111391160,0ptp4l0-21swapper/609:21:026
111391160,0ptp4l0-21swapper/508:13:545
111391160,0ptp4l0-21swapper/507:45:185
111391160,0ptp4l0-21swapper/407:25:014
111391160,0ptp4l0-21swapper/310:48:263
111391160,0ptp4l0-21swapper/108:26:271
111391160,0ptp4l0-21swapper/108:24:231
111391160,0ptp4l0-21swapper/107:45:321
111391160,0ptp4l0-21swapper/107:40:351
111391160,0ptp4l0-21swapper/107:21:061
132302150,1sleep6641ktimersoftd/609:20:016
111391150,0ptp4l0-21swapper/708:59:227
111391150,0ptp4l0-21swapper/707:52:177
111391150,0ptp4l0-21swapper/608:43:496
111391150,0ptp4l0-21swapper/608:13:036
111391150,0ptp4l0-21swapper/608:04:496
111391150,0ptp4l0-21swapper/607:36:156
111391150,0ptp4l0-21swapper/509:05:095
111391150,0ptp4l0-21swapper/508:40:495
111391150,0ptp4l0-21swapper/508:38:085
111391150,0ptp4l0-21swapper/508:38:075
111391150,0ptp4l0-21swapper/508:24:065
111391150,0ptp4l0-21swapper/507:21:105
111391150,0ptp4l0-21swapper/507:15:035
111391150,0ptp4l0-21swapper/310:53:503
111391150,0ptp4l0-21swapper/308:59:253
111391150,0ptp4l0-21swapper/212:25:502
111391150,0ptp4l0-21swapper/209:09:592
111391150,0ptp4l0-21swapper/208:43:412
111391150,0ptp4l0-21swapper/208:35:522
111391150,0ptp4l0-21swapper/208:35:512
111391150,0ptp4l0-21swapper/208:33:292
111391150,0ptp4l0-21swapper/208:33:282
111391150,0ptp4l0-21swapper/207:56:012
111391150,0ptp4l0-21swapper/207:49:072
111391150,0ptp4l0-21swapper/207:36:182
111391150,0ptp4l0-21swapper/109:05:021
111391150,0ptp4l0-21swapper/107:15:011
111391150,0ptp4l0-21swapper/008:50:290
111391140,0ptp4l0-21swapper/707:20:017
111391140,0ptp4l0-21swapper/610:21:026
111391140,0ptp4l0-21swapper/607:56:036
111391140,0ptp4l0-21swapper/607:40:476
111391140,0ptp4l0-21swapper/307:52:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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