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2026-08-07 - 01:57

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 Aug 06, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257192650,0sleep00-21swapper/008:30:120
111391640,5ptp4l0-21swapper/407:05:294
111391640,5ptp4l0-21swapper/407:05:294
111391610,5ptp4l0-21swapper/007:08:460
111391610,5ptp4l0-21swapper/007:08:450
217192600,0sleep7711rcuc/709:23:237
1803525736,6sleep20-21swapper/207:05:102
1803525736,6sleep20-21swapper/207:05:092
1968225443,6sleep70-21swapper/707:06:427
1968225443,6sleep70-21swapper/707:06:427
285252520,0sleep70-21swapper/707:25:177
1991725132,7sleep30-21swapper/307:09:433
1991725132,7sleep30-21swapper/307:09:433
1968524937,7sleep10-21swapper/107:06:441
1968524937,7sleep10-21swapper/107:06:441
1881914838,6phc2sys0-21swapper/507:06:025
1881914838,6phc2sys0-21swapper/507:06:025
1971724535,6sleep60-21swapper/607:07:146
1971724535,6sleep60-21swapper/607:07:146
111391320,3ptp4l0-21swapper/410:14:484
111391320,0ptp4l0-21swapper/607:15:136
111391320,0ptp4l0-21swapper/412:35:134
111391320,0ptp4l0-21swapper/409:25:164
111391310,0ptp4l0-21swapper/109:44:341
111391310,0ptp4l0-21swapper/109:44:331
111391310,0ptp4l0-21swapper/009:39:200
111391300,0ptp4l0-21swapper/412:03:334
111391300,0ptp4l0-21swapper/411:37:564
111391300,0ptp4l0-21swapper/410:08:584
111391300,0ptp4l0-21swapper/409:51:104
111391300,0ptp4l0-21swapper/408:15:184
111391300,0ptp4l0-21swapper/010:17:360
111391290,2ptp4l0-21swapper/410:46:504
111391290,0ptp4l0-21swapper/509:24:545
111391290,0ptp4l0-21swapper/411:33:434
111391290,0ptp4l0-21swapper/411:08:114
111391290,0ptp4l0-21swapper/410:55:484
111391290,0ptp4l0-21swapper/410:50:544
111391290,0ptp4l0-21swapper/211:36:232
111391290,0ptp4l0-21swapper/110:45:041
111391290,0ptp4l0-21swapper/009:50:010
111391290,0ptp4l0-21swapper/009:30:190
111391280,0ptp4l0-21swapper/511:05:215
111391280,0ptp4l0-21swapper/412:27:464
111391280,0ptp4l0-21swapper/412:22:194
111391280,0ptp4l0-21swapper/412:22:184
111391280,0ptp4l0-21swapper/412:13:204
111391280,0ptp4l0-21swapper/410:23:134
111391280,0ptp4l0-21swapper/409:56:104
111391280,0ptp4l0-21swapper/409:40:554
111391280,0ptp4l0-21swapper/409:40:544
111391280,0ptp4l0-21swapper/409:36:434
111391280,0ptp4l0-21swapper/010:23:110
111391270,0ptp4l0-21swapper/509:14:065
111391270,0ptp4l0-21swapper/411:57:164
111391270,0ptp4l0-21swapper/411:43:124
111391270,0ptp4l0-21swapper/411:24:374
111391270,0ptp4l0-21swapper/411:02:314
111391270,0ptp4l0-21swapper/410:33:344
111391270,0ptp4l0-21swapper/409:33:304
111391270,0ptp4l0-21swapper/409:10:594
111391270,0ptp4l0-21swapper/408:53:514
111391270,0ptp4l0-21swapper/408:45:144
111391270,0ptp4l0-21swapper/112:24:221
111391270,0ptp4l0-21swapper/112:24:211
111391270,0ptp4l0-21swapper/110:51:511
111391270,0ptp4l0-21swapper/010:27:110
111391260,0ptp4l0-21swapper/711:40:547
111391260,0ptp4l0-21swapper/412:34:174
111391260,0ptp4l0-21swapper/411:45:414
111391260,0ptp4l0-21swapper/411:25:124
111391260,0ptp4l0-21swapper/411:18:114
111391260,0ptp4l0-21swapper/410:44:064
111391260,0ptp4l0-21swapper/410:36:184
111391260,0ptp4l0-21swapper/410:03:104
111391260,0ptp4l0-21swapper/112:04:491
111391260,0ptp4l0-21swapper/109:05:001
111391260,0ptp4l0-21swapper/011:04:590
111391250,0ptp4l0-21swapper/412:18:214
111391250,0ptp4l0-21swapper/411:14:424
111391250,0ptp4l0-21swapper/410:15:144
111391250,0ptp4l0-21swapper/409:48:124
111391250,0ptp4l0-21swapper/110:59:571
111391250,0ptp4l0-21swapper/108:30:441
111391250,0ptp4l0-21swapper/012:30:200
111391250,0ptp4l0-21swapper/010:39:290
111391250,0ptp4l0-21swapper/009:55:220
111391240,1ptp4l9528-21expr07:55:130
111391240,1ptp4l707-21systemd-logind08:35:000
111391240,1ptp4l33-21ksoftirqd/210:05:212
111391240,1ptp4l2020799cyclictest07:35:100
111391240,1ptp4l11669-21sh09:10:116
111391240,0ptp4l0-21swapper/609:16:356
111391240,0ptp4l0-21swapper/510:50:075
111391240,0ptp4l0-21swapper/412:06:264
111391240,0ptp4l0-21swapper/411:54:204
111391240,0ptp4l0-21swapper/409:01:074
111391240,0ptp4l0-21swapper/408:40:164
111391240,0ptp4l0-21swapper/311:50:483
111391240,0ptp4l0-21swapper/211:30:572
111391240,0ptp4l0-21swapper/112:32:081
111391240,0ptp4l0-21swapper/012:05:000
111391240,0ptp4l0-21swapper/011:52:050
111391240,0ptp4l0-21swapper/011:10:010
111391240,0ptp4l0-21swapper/010:46:100
111391240,0ptp4l0-21swapper/010:41:510
111391240,0ptp4l0-21swapper/010:34:220
111391240,0ptp4l0-21swapper/009:20:160
111391240,0ptp4l0-21swapper/008:55:120
111391230,1ptp4l10664-21cpuspeed_turbos11:20:110
111391230,0ptp4l10966-21diskmemload09:10:140
111391230,0ptp4l0-21swapper/608:36:506
111391230,0ptp4l0-21swapper/512:20:205
111391230,0ptp4l0-21swapper/512:20:195
111391230,0ptp4l0-21swapper/512:10:175
111391230,0ptp4l0-21swapper/510:13:125
111391230,0ptp4l0-21swapper/509:27:395
111391230,0ptp4l0-21swapper/508:45:135
111391230,0ptp4l0-21swapper/508:33:515
111391230,0ptp4l0-21swapper/508:15:195
111391230,0ptp4l0-21swapper/507:40:125
111391230,0ptp4l0-21swapper/409:20:214
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:35:164
111391230,0ptp4l0-21swapper/408:30:194
111391230,0ptp4l0-21swapper/408:20:184
111391230,0ptp4l0-21swapper/408:05:164
111391230,0ptp4l0-21swapper/408:00:114
111391230,0ptp4l0-21swapper/407:50:154
111391230,0ptp4l0-21swapper/407:40:194
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/407:20:124
111391230,0ptp4l0-21swapper/311:57:383
111391230,0ptp4l0-21swapper/311:32:123
111391230,0ptp4l0-21swapper/307:45:153
111391230,0ptp4l0-21swapper/307:25:163
111391230,0ptp4l0-21swapper/211:56:352
111391230,0ptp4l0-21swapper/209:25:142
111391230,0ptp4l0-21swapper/111:55:161
111391230,0ptp4l0-21swapper/111:30:111
111391230,0ptp4l0-21swapper/111:12:101
111391230,0ptp4l0-21swapper/109:31:141
111391230,0ptp4l0-21swapper/109:05:161
111391230,0ptp4l0-21swapper/108:45:111
111391230,0ptp4l0-21swapper/012:38:390
111391230,0ptp4l0-21swapper/012:17:010
111391230,0ptp4l0-21swapper/012:12:080
111391230,0ptp4l0-21swapper/012:05:140
111391230,0ptp4l0-21swapper/011:55:130
111391230,0ptp4l0-21swapper/011:46:430
111391230,0ptp4l0-21swapper/011:30:150
111391230,0ptp4l0-21swapper/011:25:120
111391230,0ptp4l0-21swapper/011:15:130
111391230,0ptp4l0-21swapper/011:05:110
111391230,0ptp4l0-21swapper/010:55:190
111391230,0ptp4l0-21swapper/010:10:200
111391230,0ptp4l0-21swapper/010:05:170
111391230,0ptp4l0-21swapper/009:50:100
111391230,0ptp4l0-21swapper/009:40:130
111391230,0ptp4l0-21swapper/009:40:130
111391230,0ptp4l0-21swapper/009:25:150
111391230,0ptp4l0-21swapper/009:15:150
111391230,0ptp4l0-21swapper/009:05:200
111391230,0ptp4l0-21swapper/008:50:110
111391230,0ptp4l0-21swapper/008:25:100
111391230,0ptp4l0-21swapper/008:20:160
111391230,0ptp4l0-21swapper/008:15:200
111391230,0ptp4l0-21swapper/008:10:160
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:30:120
111391220,1ptp4l17055-21sh11:28:461
111391220,0ptp4l29053-21ssh10:15:331
111391220,0ptp4l0-21swapper/712:18:497
111391220,0ptp4l0-21swapper/707:45:127
111391220,0ptp4l0-21swapper/611:57:446
111391220,0ptp4l0-21swapper/609:31:486
111391220,0ptp4l0-21swapper/608:40:006
111391220,0ptp4l0-21swapper/607:10:126
111391220,0ptp4l0-21swapper/512:17:265
111391220,0ptp4l0-21swapper/512:03:245
111391220,0ptp4l0-21swapper/511:52:405
111391220,0ptp4l0-21swapper/511:15:205
111391220,0ptp4l0-21swapper/511:10:545
111391220,0ptp4l0-21swapper/511:00:135
111391220,0ptp4l0-21swapper/510:59:095
111391220,0ptp4l0-21swapper/510:45:425
111391220,0ptp4l0-21swapper/510:40:135
111391220,0ptp4l0-21swapper/510:35:325
111391220,0ptp4l0-21swapper/510:31:305
111391220,0ptp4l0-21swapper/509:33:355
111391220,0ptp4l0-21swapper/509:15:275
111391220,0ptp4l0-21swapper/410:25:134
111391220,0ptp4l0-21swapper/409:15:144
111391220,0ptp4l0-21swapper/409:05:184
111391220,0ptp4l0-21swapper/408:25:004
111391220,0ptp4l0-21swapper/408:10:154
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/407:30:014
111391220,0ptp4l0-21swapper/407:15:154
111391220,0ptp4l0-21swapper/407:10:144
111391220,0ptp4l0-21swapper/309:35:573
111391220,0ptp4l0-21swapper/211:14:302
111391220,0ptp4l0-21swapper/207:15:122
111391220,0ptp4l0-21swapper/112:25:161
111391220,0ptp4l0-21swapper/112:14:461
111391220,0ptp4l0-21swapper/111:52:391
111391220,0ptp4l0-21swapper/111:43:041
111391220,0ptp4l0-21swapper/111:21:331
111391220,0ptp4l0-21swapper/111:15:191
111391220,0ptp4l0-21swapper/111:06:411
111391220,0ptp4l0-21swapper/110:40:141
111391220,0ptp4l0-21swapper/110:11:561
111391220,0ptp4l0-21swapper/110:06:261
111391220,0ptp4l0-21swapper/109:28:271
111391220,0ptp4l0-21swapper/109:22:301
111391220,0ptp4l0-21swapper/109:15:081
111391220,0ptp4l0-21swapper/108:40:121
111391220,0ptp4l0-21swapper/107:40:161
111391220,0ptp4l0-21swapper/107:38:501
111391220,0ptp4l0-21swapper/107:15:021
111391220,0ptp4l0-21swapper/012:25:050
111391220,0ptp4l0-21swapper/012:20:130
111391220,0ptp4l0-21swapper/012:20:120
111391220,0ptp4l0-21swapper/011:40:110
111391220,0ptp4l0-21swapper/011:36:250
111391220,0ptp4l0-21swapper/010:52:260
111391220,0ptp4l0-21swapper/010:00:170
111391220,0ptp4l0-21swapper/009:00:190
111391220,0ptp4l0-21swapper/008:45:160
111391220,0ptp4l0-21swapper/008:40:180
111391220,0ptp4l0-21swapper/007:50:140
111391220,0ptp4l0-21swapper/007:40:200
111391220,0ptp4l0-21swapper/007:20:180
111391220,0ptp4l0-21swapper/007:10:140
111391210,0ptp4l29939-21ssh11:00:571
111391210,0ptp4l0-21swapper/712:06:427
111391210,0ptp4l0-21swapper/711:57:397
111391210,0ptp4l0-21swapper/711:50:467
111391210,0ptp4l0-21swapper/711:16:267
111391210,0ptp4l0-21swapper/711:03:587
111391210,0ptp4l0-21swapper/709:35:417
111391210,0ptp4l0-21swapper/709:09:207
111391210,0ptp4l0-21swapper/612:02:406
111391210,0ptp4l0-21swapper/611:35:116
111391210,0ptp4l0-21swapper/611:30:566
111391210,0ptp4l0-21swapper/611:03:006
111391210,0ptp4l0-21swapper/610:47:256
111391210,0ptp4l0-21swapper/512:39:035
111391210,0ptp4l0-21swapper/512:32:055
111391210,0ptp4l0-21swapper/512:06:225
111391210,0ptp4l0-21swapper/511:43:005
111391210,0ptp4l0-21swapper/511:35:225
111391210,0ptp4l0-21swapper/511:20:165
111391210,0ptp4l0-21swapper/510:02:045
111391210,0ptp4l0-21swapper/509:42:305
111391210,0ptp4l0-21swapper/509:42:305
111391210,0ptp4l0-21swapper/509:39:385
111391210,0ptp4l0-21swapper/509:05:175
111391210,0ptp4l0-21swapper/508:35:505
111391210,0ptp4l0-21swapper/311:40:433
111391210,0ptp4l0-21swapper/311:16:403
111391210,0ptp4l0-21swapper/309:07:593
111391210,0ptp4l0-21swapper/308:37:283
111391210,0ptp4l0-21swapper/307:44:023
111391210,0ptp4l0-21swapper/211:08:232
111391210,0ptp4l0-21swapper/211:03:242
111391210,0ptp4l0-21swapper/210:56:112
111391210,0ptp4l0-21swapper/209:46:082
111391210,0ptp4l0-21swapper/209:16:202
111391210,0ptp4l0-21swapper/209:10:132
111391210,0ptp4l0-21swapper/112:16:441
111391210,0ptp4l0-21swapper/111:37:061
111391210,0ptp4l0-21swapper/110:36:591
111391210,0ptp4l0-21swapper/110:32:461
111391210,0ptp4l0-21swapper/110:02:001
111391210,0ptp4l0-21swapper/109:55:521
111391210,0ptp4l0-21swapper/109:39:331
111391210,0ptp4l0-21swapper/109:11:401
111391210,0ptp4l0-21swapper/108:39:201
111391210,0ptp4l0-21swapper/108:15:201
111391210,0ptp4l0-21swapper/108:10:451
111391210,0ptp4l0-21swapper/107:50:231
111391210,0ptp4l0-21swapper/008:05:170
111391210,0ptp4l0-21swapper/007:15:140
111391200,1ptp4l20633-21cpuspeed_turbos07:10:102
111391200,0ptp4l0-21swapper/711:32:077
111391200,0ptp4l0-21swapper/611:48:376
111391200,0ptp4l0-21swapper/610:56:176
111391200,0ptp4l0-21swapper/610:20:336
111391200,0ptp4l0-21swapper/609:57:066
111391200,0ptp4l0-21swapper/511:58:115
111391200,0ptp4l0-21swapper/511:31:545
111391200,0ptp4l0-21swapper/510:24:165
111391200,0ptp4l0-21swapper/509:55:525
111391200,0ptp4l0-21swapper/509:49:065
111391200,0ptp4l0-21swapper/509:04:595
111391200,0ptp4l0-21swapper/507:54:485
111391200,0ptp4l0-21swapper/507:17:395
111391200,0ptp4l0-21swapper/407:27:404
111391200,0ptp4l0-21swapper/312:06:403
111391200,0ptp4l0-21swapper/311:03:473
111391200,0ptp4l0-21swapper/212:12:512
111391200,0ptp4l0-21swapper/211:48:392
111391200,0ptp4l0-21swapper/210:47:292
111391200,0ptp4l0-21swapper/210:20:282
111391200,0ptp4l0-21swapper/209:31:572
111391200,0ptp4l0-21swapper/209:20:282
111391200,0ptp4l0-21swapper/207:56:382
111391200,0ptp4l0-21swapper/112:35:051
111391200,0ptp4l0-21swapper/112:06:221
111391200,0ptp4l0-21swapper/111:46:321
111391200,0ptp4l0-21swapper/109:46:231
111391190,3ptp4l401ktimersoftd/307:19:103
111391190,0ptp4l0-21swapper/709:49:457
111391190,0ptp4l0-21swapper/612:12:476
111391190,0ptp4l0-21swapper/610:03:576
111391190,0ptp4l0-21swapper/609:50:356
111391190,0ptp4l0-21swapper/609:49:506
111391190,0ptp4l0-21swapper/511:46:345
111391190,0ptp4l0-21swapper/511:28:025
111391190,0ptp4l0-21swapper/510:25:365
111391190,0ptp4l0-21swapper/510:09:305
111391190,0ptp4l0-21swapper/407:47:264
111391190,0ptp4l0-21swapper/312:18:313
111391190,0ptp4l0-21swapper/309:49:383
111391190,0ptp4l0-21swapper/209:50:392
111391190,0ptp4l0-21swapper/208:17:492
111391190,0ptp4l0-21swapper/207:38:132
111391190,0ptp4l0-21swapper/110:24:151
111391190,0ptp4l0-21swapper/109:54:091
111391190,0ptp4l0-21swapper/007:49:440
111391190,0ptp4l0-21swapper/007:26:180
238242180,0sleep70-21swapper/710:54:067
111391180,0ptp4l0-21swapper/612:26:526
111391180,0ptp4l0-21swapper/610:05:256
111391180,0ptp4l0-21swapper/609:20:296
111391180,0ptp4l0-21swapper/508:09:495
111391180,0ptp4l0-21swapper/212:26:512
111391180,0ptp4l0-21swapper/208:32:552
111391170,0ptp4l0-21swapper/512:29:415
111391170,0ptp4l0-21swapper/508:23:275
111391170,0ptp4l0-21swapper/209:56:552
111391170,0ptp4l0-21swapper/108:55:271
111391170,0ptp4l0-21swapper/108:08:521
111391170,0ptp4l0-21swapper/107:58:011
111391160,1ptp4l29636-21taskset07:28:072
111391160,0ptp4l0-21swapper/707:44:057
111391160,0ptp4l0-21swapper/707:19:197
111391160,0ptp4l0-21swapper/507:48:165
111391160,0ptp4l0-21swapper/507:38:495
111391160,0ptp4l0-21swapper/211:42:442
111391160,0ptp4l0-21swapper/210:14:322
111391160,0ptp4l0-21swapper/210:03:572
111391160,0ptp4l0-21swapper/107:49:491
111391150,0ptp4l33-21ksoftirqd/207:47:562
111391150,0ptp4l0-21swapper/708:48:487
111391150,0ptp4l0-21swapper/708:37:197
111391150,0ptp4l0-21swapper/707:25:007
111391150,0ptp4l0-21swapper/611:42:436
111391150,0ptp4l0-21swapper/608:58:226
111391150,0ptp4l0-21swapper/608:51:256
111391150,0ptp4l0-21swapper/608:32:206
111391150,0ptp4l0-21swapper/608:27:216
111391150,0ptp4l0-21swapper/608:24:366
111391150,0ptp4l0-21swapper/608:17:436
111391150,0ptp4l0-21swapper/607:51:566
111391150,0ptp4l0-21swapper/607:35:506
111391150,0ptp4l0-21swapper/607:28:086
111391150,0ptp4l0-21swapper/607:23:006
111391150,0ptp4l0-21swapper/508:57:065
111391150,0ptp4l0-21swapper/508:50:565
111391150,0ptp4l0-21swapper/508:40:115
111391150,0ptp4l0-21swapper/508:26:175
111391150,0ptp4l0-21swapper/508:10:045
111391150,0ptp4l0-21swapper/508:03:245
111391150,0ptp4l0-21swapper/507:55:515
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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