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2026-06-29 - 21:13

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 Mon Jun 29, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
201462670,0sleep40-21swapper/409:55:174
111391610,5ptp4l0-21swapper/007:07:400
111391600,29ptp4l0-21swapper/107:09:301
255522580,0sleep10-21swapper/110:49:051
105222580,0sleep20-21swapper/209:42:332
2710525747,6sleep70-21swapper/707:09:257
111391570,5ptp4l0-21swapper/407:05:434
2695625443,7sleep20-21swapper/207:07:282
2685525432,7sleep30-21swapper/307:06:093
188432540,0sleep1231rcuc/109:10:121
188432540,0sleep1231rcuc/109:10:121
1881914936,7phc2sys0-21swapper/607:05:226
111391470,5ptp4l0-21swapper/507:10:005
111391330,0ptp4l0-21swapper/011:13:560
111391330,0ptp4l0-21swapper/008:20:150
111391320,0ptp4l0-21swapper/411:15:384
111391320,0ptp4l0-21swapper/410:29:344
111391320,0ptp4l0-21swapper/210:45:192
111391320,0ptp4l0-21swapper/010:47:180
111391320,0ptp4l0-21swapper/007:15:160
111391310,4ptp4l0-21swapper/012:20:490
111391310,3ptp4l18186-21diskmemload10:15:230
111391310,0ptp4l0-21swapper/412:05:294
111391310,0ptp4l0-21swapper/411:20:194
111391310,0ptp4l0-21swapper/009:24:330
111391310,0ptp4l0-21swapper/009:19:080
111391300,2ptp4l0-21swapper/011:42:580
111391300,2ptp4l0-21swapper/011:42:570
111391300,1ptp4l21131-21ssh09:56:560
111391300,0ptp4l0-21swapper/412:36:554
111391300,0ptp4l0-21swapper/412:02:504
111391300,0ptp4l0-21swapper/411:57:334
111391300,0ptp4l0-21swapper/410:04:554
111391300,0ptp4l0-21swapper/409:46:454
111391300,0ptp4l0-21swapper/409:42:464
111391300,0ptp4l0-21swapper/409:36:214
111391300,0ptp4l0-21swapper/409:30:594
111391300,0ptp4l0-21swapper/012:25:360
111391300,0ptp4l0-21swapper/012:11:270
111391300,0ptp4l0-21swapper/011:58:520
111391300,0ptp4l0-21swapper/011:37:400
111391300,0ptp4l0-21swapper/010:14:150
111391300,0ptp4l0-21swapper/009:48:060
111391300,0ptp4l0-21swapper/009:14:520
111391300,0ptp4l0-21swapper/009:14:510
111391290,3ptp4l0-21swapper/412:17:174
111391290,0ptp4l0-21swapper/411:12:284
111391290,0ptp4l0-21swapper/409:20:304
111391290,0ptp4l0-21swapper/409:17:504
111391290,0ptp4l0-21swapper/409:13:364
111391290,0ptp4l0-21swapper/409:13:364
111391290,0ptp4l0-21swapper/409:05:234
111391290,0ptp4l0-21swapper/011:54:240
111391290,0ptp4l0-21swapper/011:32:250
111391290,0ptp4l0-21swapper/010:56:440
111391290,0ptp4l0-21swapper/010:35:090
111391290,0ptp4l0-21swapper/010:31:250
111391280,0ptp4l0-21swapper/609:54:566
111391280,0ptp4l0-21swapper/412:13:304
111391280,0ptp4l0-21swapper/411:29:064
111391280,0ptp4l0-21swapper/410:33:284
111391280,0ptp4l0-21swapper/410:24:494
111391280,0ptp4l0-21swapper/011:46:110
111391280,0ptp4l0-21swapper/010:28:480
111391280,0ptp4l0-21swapper/010:06:560
111391270,0ptp4l0-21swapper/410:08:594
111391270,0ptp4l0-21swapper/011:29:100
111391270,0ptp4l0-21swapper/011:21:450
111391270,0ptp4l0-21swapper/011:18:020
111391270,0ptp4l0-21swapper/011:08:110
111391270,0ptp4l0-21swapper/010:00:440
111391270,0ptp4l0-21swapper/009:30:100
111391260,2ptp4l0-21swapper/012:31:230
111391260,0ptp4l0-21swapper/711:10:527
111391260,0ptp4l0-21swapper/411:49:324
111391260,0ptp4l0-21swapper/410:40:104
111391260,0ptp4l0-21swapper/409:51:334
111391260,0ptp4l0-21swapper/407:15:164
111391260,0ptp4l0-21swapper/311:26:113
111391260,0ptp4l0-21swapper/309:39:223
111391260,0ptp4l0-21swapper/309:17:193
111391260,0ptp4l0-21swapper/010:43:240
111391260,0ptp4l0-21swapper/009:37:530
111391260,0ptp4l0-21swapper/008:28:200
111391250,1ptp4l5144-21df_inode10:20:150
111391250,1ptp4l30352-21diskstats12:25:124
111391250,1ptp4l15734-21users07:50:194
111391250,0ptp4l0-21swapper/711:25:177
111391250,0ptp4l0-21swapper/412:21:484
111391250,0ptp4l0-21swapper/410:57:174
111391250,0ptp4l0-21swapper/410:52:524
111391250,0ptp4l0-21swapper/311:05:123
111391250,0ptp4l0-21swapper/012:05:200
111391250,0ptp4l0-21swapper/012:00:220
111391250,0ptp4l0-21swapper/009:54:350
111391250,0ptp4l0-21swapper/007:50:580
111391250,0ptp4l0-21swapper/007:25:170
111391240,1ptp4l27471-21switchtime10:50:205
111391240,1ptp4l2744799cyclictest11:00:122
111391240,1ptp4l27200-21irqstats11:35:164
111391240,1ptp4l19281-21/usr/sbin/munin12:10:126
111391240,1ptp4l19207-21cut11:25:007
111391240,1ptp4l1765-21ps11:00:146
111391240,1ptp4l17173-21grep11:20:203
111391240,0ptp4l12820-21strings07:45:144
111391240,0ptp4l0-21swapper/511:40:185
111391240,0ptp4l0-21swapper/511:40:185
111391240,0ptp4l0-21swapper/411:40:384
111391240,0ptp4l0-21swapper/411:40:374
111391240,0ptp4l0-21swapper/410:17:004
111391240,0ptp4l0-21swapper/410:12:024
111391240,0ptp4l0-21swapper/408:45:134
111391240,0ptp4l0-21swapper/408:38:134
111391240,0ptp4l0-21swapper/407:39:394
111391240,0ptp4l0-21swapper/407:30:134
111391240,0ptp4l0-21swapper/407:13:144
111391240,0ptp4l0-21swapper/012:36:320
111391240,0ptp4l0-21swapper/010:53:380
111391240,0ptp4l0-21swapper/009:42:510
111391240,0ptp4l0-21swapper/009:28:460
111391240,0ptp4l0-21swapper/009:07:050
111391240,0ptp4l0-21swapper/008:55:030
111391240,0ptp4l0-21swapper/008:17:530
111391240,0ptp4l0-21swapper/008:02:090
111391240,0ptp4l0-21swapper/007:49:410
111391240,0ptp4l0-21swapper/007:30:130
111391230,0ptp4l0-21swapper/709:40:147
111391230,0ptp4l0-21swapper/708:53:077
111391230,0ptp4l0-21swapper/708:12:457
111391230,0ptp4l0-21swapper/708:00:197
111391230,0ptp4l0-21swapper/707:20:437
111391230,0ptp4l0-21swapper/610:45:196
111391230,0ptp4l0-21swapper/609:55:136
111391230,0ptp4l0-21swapper/412:30:184
111391230,0ptp4l0-21swapper/411:50:124
111391230,0ptp4l0-21swapper/411:30:194
111391230,0ptp4l0-21swapper/410:35:034
111391230,0ptp4l0-21swapper/409:00:144
111391230,0ptp4l0-21swapper/408:55:184
111391230,0ptp4l0-21swapper/408:50:184
111391230,0ptp4l0-21swapper/408:40:174
111391230,0ptp4l0-21swapper/408:30:104
111391230,0ptp4l0-21swapper/408:25:114
111391230,0ptp4l0-21swapper/408:20:134
111391230,0ptp4l0-21swapper/408:15:124
111391230,0ptp4l0-21swapper/408:05:174
111391230,0ptp4l0-21swapper/408:02:504
111391230,0ptp4l0-21swapper/407:40:214
111391230,0ptp4l0-21swapper/407:20:134
111391230,0ptp4l0-21swapper/309:40:153
111391230,0ptp4l0-21swapper/111:15:201
111391230,0ptp4l0-21swapper/110:20:151
111391230,0ptp4l0-21swapper/110:15:001
111391230,0ptp4l0-21swapper/109:58:251
111391230,0ptp4l0-21swapper/108:05:131
111391230,0ptp4l0-21swapper/012:15:140
111391230,0ptp4l0-21swapper/009:02:010
111391230,0ptp4l0-21swapper/008:54:290
111391230,0ptp4l0-21swapper/008:41:520
111391230,0ptp4l0-21swapper/008:10:160
111391230,0ptp4l0-21swapper/008:05:170
111391230,0ptp4l0-21swapper/007:40:140
111391230,0ptp4l0-21swapper/007:35:170
111391230,0ptp4l0-21swapper/007:10:180
111391220,0ptp4l487-21ssh10:14:373
111391220,0ptp4l0-21swapper/711:05:127
111391220,0ptp4l0-21swapper/711:01:377
111391220,0ptp4l0-21swapper/710:14:297
111391220,0ptp4l0-21swapper/709:22:177
111391220,0ptp4l0-21swapper/709:16:517
111391220,0ptp4l0-21swapper/708:46:397
111391220,0ptp4l0-21swapper/612:33:246
111391220,0ptp4l0-21swapper/609:29:466
111391220,0ptp4l0-21swapper/608:35:156
111391220,0ptp4l0-21swapper/512:37:225
111391220,0ptp4l0-21swapper/509:34:075
111391220,0ptp4l0-21swapper/507:10:145
111391220,0ptp4l0-21swapper/411:05:214
111391220,0ptp4l0-21swapper/411:03:254
111391220,0ptp4l0-21swapper/410:45:124
111391220,0ptp4l0-21swapper/409:25:014
111391220,0ptp4l0-21swapper/407:55:194
111391220,0ptp4l0-21swapper/407:29:534
111391220,0ptp4l0-21swapper/311:10:133
111391220,0ptp4l0-21swapper/311:01:133
111391220,0ptp4l0-21swapper/310:52:143
111391220,0ptp4l0-21swapper/309:22:253
111391220,0ptp4l0-21swapper/308:00:123
111391220,0ptp4l0-21swapper/307:59:213
111391220,0ptp4l0-21swapper/212:33:152
111391220,0ptp4l0-21swapper/212:10:122
111391220,0ptp4l0-21swapper/211:16:252
111391220,0ptp4l0-21swapper/211:06:562
111391220,0ptp4l0-21swapper/209:55:122
111391220,0ptp4l0-21swapper/209:54:552
111391220,0ptp4l0-21swapper/208:35:162
111391220,0ptp4l0-21swapper/112:36:251
111391220,0ptp4l0-21swapper/112:28:361
111391220,0ptp4l0-21swapper/112:15:181
111391220,0ptp4l0-21swapper/112:15:001
111391220,0ptp4l0-21swapper/111:45:151
111391220,0ptp4l0-21swapper/111:34:331
111391220,0ptp4l0-21swapper/111:11:361
111391220,0ptp4l0-21swapper/111:06:491
111391220,0ptp4l0-21swapper/110:50:191
111391220,0ptp4l0-21swapper/110:35:411
111391220,0ptp4l0-21swapper/110:01:011
111391220,0ptp4l0-21swapper/109:35:491
111391220,0ptp4l0-21swapper/109:30:151
111391220,0ptp4l0-21swapper/107:10:121
111391220,0ptp4l0-21swapper/011:04:390
111391220,0ptp4l0-21swapper/008:37:220
111391220,0ptp4l0-21swapper/008:30:130
111391220,0ptp4l0-21swapper/007:55:090
111391220,0ptp4l0-21swapper/007:20:170
111391210,1ptp4l18186-21diskmemload12:33:321
111391210,0ptp4l0-21swapper/710:52:017
111391210,0ptp4l0-21swapper/710:21:467
111391210,0ptp4l0-21swapper/709:39:437
111391210,0ptp4l0-21swapper/611:41:576
111391210,0ptp4l0-21swapper/611:41:576
111391210,0ptp4l0-21swapper/611:16:276
111391210,0ptp4l0-21swapper/611:14:576
111391210,0ptp4l0-21swapper/611:09:076
111391210,0ptp4l0-21swapper/608:13:266
111391210,0ptp4l0-21swapper/511:34:355
111391210,0ptp4l0-21swapper/511:14:465
111391210,0ptp4l0-21swapper/511:05:535
111391210,0ptp4l0-21swapper/510:57:005
111391210,0ptp4l0-21swapper/509:41:395
111391210,0ptp4l0-21swapper/408:10:254
111391210,0ptp4l0-21swapper/312:14:173
111391210,0ptp4l0-21swapper/211:11:592
111391210,0ptp4l0-21swapper/210:51:372
111391210,0ptp4l0-21swapper/209:29:432
111391210,0ptp4l0-21swapper/112:20:311
111391210,0ptp4l0-21swapper/112:05:221
111391210,0ptp4l0-21swapper/111:55:071
111391210,0ptp4l0-21swapper/111:40:171
111391210,0ptp4l0-21swapper/111:40:161
111391210,0ptp4l0-21swapper/111:28:361
111391210,0ptp4l0-21swapper/111:00:291
111391210,0ptp4l0-21swapper/110:56:371
111391210,0ptp4l0-21swapper/110:30:341
111391210,0ptp4l0-21swapper/110:15:161
111391210,0ptp4l0-21swapper/109:46:491
111391210,0ptp4l0-21swapper/109:41:201
111391210,0ptp4l0-21swapper/109:28:401
111391210,0ptp4l0-21swapper/008:45:140
111391200,1ptp4l2745599cyclictest09:29:203
111391200,0ptp4l0-21swapper/707:59:257
111391200,0ptp4l0-21swapper/511:15:205
111391200,0ptp4l0-21swapper/511:02:125
111391200,0ptp4l0-21swapper/509:59:485
111391200,0ptp4l0-21swapper/307:20:203
111391200,0ptp4l0-21swapper/210:10:352
111391200,0ptp4l0-21swapper/112:04:051
111391200,0ptp4l0-21swapper/111:22:191
111391200,0ptp4l0-21swapper/110:42:191
111391200,0ptp4l0-21swapper/110:26:151
111391200,0ptp4l0-21swapper/110:07:521
111391200,0ptp4l0-21swapper/109:51:391
111391200,0ptp4l0-21swapper/109:23:461
111391200,0ptp4l0-21swapper/109:18:161
111391200,0ptp4l0-21swapper/107:53:321
111391190,0ptp4l0-21swapper/709:29:067
111391190,0ptp4l0-21swapper/612:38:296
111391190,0ptp4l0-21swapper/612:03:016
111391190,0ptp4l0-21swapper/610:53:216
111391190,0ptp4l0-21swapper/509:38:445
111391190,0ptp4l0-21swapper/308:12:533
111391190,0ptp4l0-21swapper/212:38:322
111391190,0ptp4l0-21swapper/211:41:562
111391190,0ptp4l0-21swapper/211:41:562
111391190,0ptp4l0-21swapper/111:51:001
111391180,0ptp4l0-21swapper/712:34:487
111391180,0ptp4l0-21swapper/712:14:087
111391180,0ptp4l0-21swapper/712:04:517
111391180,0ptp4l0-21swapper/610:10:396
111391180,0ptp4l0-21swapper/511:50:055
111391180,0ptp4l0-21swapper/511:38:575
111391180,0ptp4l0-21swapper/511:28:345
111391180,0ptp4l0-21swapper/510:33:205
111391180,0ptp4l0-21swapper/510:15:005
111391180,0ptp4l0-21swapper/310:21:543
111391180,0ptp4l0-21swapper/308:05:063
111391180,0ptp4l0-21swapper/212:08:132
111391180,0ptp4l0-21swapper/211:50:482
111391180,0ptp4l0-21swapper/207:27:402
111391180,0ptp4l0-21swapper/108:10:221
111391170,2ptp4l0-21swapper/108:44:521
111391170,2ptp4l0-21swapper/108:29:351
111391170,0ptp4l0-21swapper/610:57:536
111391170,0ptp4l0-21swapper/511:46:365
111391170,0ptp4l0-21swapper/509:18:065
111391170,0ptp4l0-21swapper/311:31:253
111391170,0ptp4l0-21swapper/108:21:261
111391170,0ptp4l0-21swapper/107:49:381
234752160,0sleep70-21swapper/712:15:167
111391160,0ptp4l0-21swapper/508:07:455
111391160,0ptp4l0-21swapper/312:34:463
111391160,0ptp4l0-21swapper/312:04:513
111391160,0ptp4l0-21swapper/209:46:052
111391160,0ptp4l0-21swapper/209:34:372
111391160,0ptp4l0-21swapper/111:38:561
111391160,0ptp4l0-21swapper/109:05:111
111391160,0ptp4l0-21swapper/108:50:311
111391160,0ptp4l0-21swapper/108:45:081
111391160,0ptp4l0-21swapper/108:36:101
111391160,0ptp4l0-21swapper/108:33:331
111391160,0ptp4l0-21swapper/108:15:011
111391160,0ptp4l0-21swapper/107:58:051
111391160,0ptp4l0-21swapper/107:41:121
111391160,0ptp4l0-21swapper/107:22:131
111391160,0ptp4l0-21swapper/107:19:111
2746799150,14cyclictest0-21swapper/510:28:015
2745599150,14cyclictest0-21swapper/307:30:003
111391150,0ptp4l0-21swapper/711:31:237
111391150,0ptp4l0-21swapper/708:05:067
111391150,0ptp4l0-21swapper/612:08:146
111391150,0ptp4l0-21swapper/609:46:086
111391150,0ptp4l0-21swapper/609:32:506
111391150,0ptp4l0-21swapper/609:05:316
111391150,0ptp4l0-21swapper/609:04:466
111391150,0ptp4l0-21swapper/608:51:426
111391150,0ptp4l0-21swapper/608:29:056
111391150,0ptp4l0-21swapper/608:19:236
111391150,0ptp4l0-21swapper/608:02:226
111391150,0ptp4l0-21swapper/607:27:236
111391150,0ptp4l0-21swapper/607:21:336
111391150,0ptp4l0-21swapper/607:16:156
111391150,0ptp4l0-21swapper/512:21:275
111391150,0ptp4l0-21swapper/508:47:425
111391150,0ptp4l0-21swapper/508:25:275
111391150,0ptp4l0-21swapper/508:15:025
111391150,0ptp4l0-21swapper/507:42:535
111391150,0ptp4l0-21swapper/507:31:185
111391150,0ptp4l0-21swapper/507:21:495
111391150,0ptp4l0-21swapper/507:17:165
111391150,0ptp4l0-21swapper/308:52:093
111391150,0ptp4l0-21swapper/308:46:073
111391150,0ptp4l0-21swapper/210:58:562
111391150,0ptp4l0-21swapper/208:57:142
111391150,0ptp4l0-21swapper/208:11:042
111391150,0ptp4l0-21swapper/208:02:252
111391150,0ptp4l0-21swapper/207:21:372
111391150,0ptp4l0-21swapper/207:16:132
111391150,0ptp4l0-21swapper/109:00:021
111391150,0ptp4l0-21swapper/108:57:171
111391150,0ptp4l0-21swapper/108:01:391
111391150,0ptp4l0-21swapper/107:35:081
111391150,0ptp4l0-21swapper/107:31:161
2746799140,4cyclictest0-21swapper/512:13:275
2746799140,13cyclictest0-21swapper/512:01:315
2746799140,13cyclictest0-21swapper/510:36:095
2746799140,13cyclictest0-21swapper/510:23:465
2746799140,13cyclictest0-21swapper/509:20:245
111391140,0ptp4l0-21swapper/608:33:396
111391140,0ptp4l0-21swapper/512:30:515
111391140,0ptp4l0-21swapper/512:15:025
111391140,0ptp4l0-21swapper/509:46:505
111391140,0ptp4l0-21swapper/508:01:075
111391140,0ptp4l0-21swapper/507:52:445
111391140,0ptp4l0-21swapper/212:02:592
111391140,0ptp4l0-21swapper/209:05:282
111391140,0ptp4l0-21swapper/209:04:442
111391140,0ptp4l0-21swapper/208:50:272
111391140,0ptp4l0-21swapper/208:33:382
111391140,0ptp4l0-21swapper/208:29:042
111391140,0ptp4l0-21swapper/208:17:422
111391140,0ptp4l0-21swapper/207:10:452
2746799130,12cyclictest0-21swapper/512:25:425
2746799130,12cyclictest0-21swapper/510:40:255
2746799130,12cyclictest0-21swapper/510:02:345
2746799129,2cyclictest0-21swapper/509:52:375
2746799120,11cyclictest0-21swapper/510:09:545
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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