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2026-08-01 - 23:18

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 Aug 01, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/007:07:210
111391630,31ptp4l0-21swapper/107:09:051
1191926240,7sleep20-21swapper/207:06:292
1197026151,6sleep70-21swapper/707:07:057
111391610,5ptp4l0-21swapper/507:09:095
111391590,5ptp4l0-21swapper/407:08:224
310262570,0sleep20-21swapper/209:45:192
324502560,0sleep10-21swapper/109:47:591
1207525333,6sleep30-21swapper/307:08:313
1029024736,7sleep60-21swapper/607:05:056
111391340,0ptp4l0-21swapper/410:39:424
111391340,0ptp4l0-21swapper/409:50:194
111391340,0ptp4l0-21swapper/009:24:380
111391320,0ptp4l0-21swapper/412:29:264
111391320,0ptp4l0-21swapper/011:50:200
111391310,0ptp4l0-21swapper/609:45:166
111391310,0ptp4l0-21swapper/510:04:075
111391300,0ptp4l0-21swapper/010:55:400
111391290,1ptp4l13821-21hddtemp_smartct10:50:150
111391290,0ptp4l0-21swapper/509:55:555
111391290,0ptp4l0-21swapper/412:08:454
111391290,0ptp4l0-21swapper/411:01:114
111391290,0ptp4l0-21swapper/410:41:054
111391290,0ptp4l0-21swapper/409:36:094
111391290,0ptp4l0-21swapper/409:29:014
111391290,0ptp4l0-21swapper/011:11:210
111391290,0ptp4l0-21swapper/009:36:450
111391290,0ptp4l0-21swapper/008:30:210
111391290,0ptp4l0-21swapper/008:30:200
111391280,0ptp4l0-21swapper/312:20:503
111391280,0ptp4l0-21swapper/107:55:141
111391280,0ptp4l0-21swapper/012:01:480
111391280,0ptp4l0-21swapper/010:11:390
111391270,0ptp4l14296-21ssh09:24:194
111391270,0ptp4l0-21swapper/412:30:414
111391270,0ptp4l0-21swapper/412:16:294
111391270,0ptp4l0-21swapper/411:56:464
111391270,0ptp4l0-21swapper/411:30:184
111391270,0ptp4l0-21swapper/410:45:384
111391270,0ptp4l0-21swapper/410:19:594
111391270,0ptp4l0-21swapper/409:44:054
111391270,0ptp4l0-21swapper/409:34:404
111391270,0ptp4l0-21swapper/112:17:291
111391270,0ptp4l0-21swapper/109:54:401
111391270,0ptp4l0-21swapper/012:37:270
111391270,0ptp4l0-21swapper/012:32:350
111391270,0ptp4l0-21swapper/011:32:090
111391270,0ptp4l0-21swapper/011:24:310
111391270,0ptp4l0-21swapper/010:35:230
111391270,0ptp4l0-21swapper/010:20:010
111391270,0ptp4l0-21swapper/010:19:470
111391270,0ptp4l0-21swapper/009:58:230
111391270,0ptp4l0-21swapper/009:45:550
111391270,0ptp4l0-21swapper/009:10:120
111391260,0ptp4l0-21swapper/509:51:305
111391260,0ptp4l0-21swapper/411:21:064
111391260,0ptp4l0-21swapper/410:58:594
111391260,0ptp4l0-21swapper/410:22:334
111391260,0ptp4l0-21swapper/409:48:114
111391260,0ptp4l0-21swapper/408:55:224
111391260,0ptp4l0-21swapper/408:50:154
111391260,0ptp4l0-21swapper/108:40:181
111391260,0ptp4l0-21swapper/107:10:201
111391260,0ptp4l0-21swapper/012:20:000
111391260,0ptp4l0-21swapper/012:13:280
111391260,0ptp4l0-21swapper/007:40:230
111391250,2ptp4l0-21swapper/411:43:024
111391250,2ptp4l0-21swapper/411:09:404
111391250,2ptp4l0-21swapper/411:09:394
111391250,1ptp4l1617-21hddtemp_smartct09:50:140
111391250,1ptp4l0-21swapper/008:55:220
111391250,0ptp4l0-21swapper/510:28:465
111391250,0ptp4l0-21swapper/509:16:245
111391250,0ptp4l0-21swapper/411:29:514
111391250,0ptp4l0-21swapper/411:16:214
111391250,0ptp4l0-21swapper/410:10:264
111391250,0ptp4l0-21swapper/409:16:564
111391250,0ptp4l0-21swapper/111:38:161
111391250,0ptp4l0-21swapper/011:36:050
111391250,0ptp4l0-21swapper/009:33:550
111391240,2ptp4l0-21swapper/012:27:100
111391240,2ptp4l0-21swapper/011:27:580
111391240,1ptp4l8140-21ptp4l-jitter11:25:181
111391240,1ptp4l794-21runrttasks07:51:124
111391240,1ptp4l3229-21diskmemload10:01:070
111391240,1ptp4l31008-21kworker/5:109:00:135
111391240,1ptp4l28611-21fw_forwarded_lo11:10:161
111391240,1ptp4l25333-21irqstats11:05:170
111391240,1ptp4l25333-21irqstats11:05:160
111391240,1ptp4l22087-21df_inode11:45:141
111391240,1ptp4l21133-21df11:00:121
111391240,1ptp4l19182-21timerwakeupswit07:20:184
111391240,1ptp4l1163-21users11:15:200
111391240,1ptp4l0-21swapper/110:29:431
111391240,0ptp4l0-21swapper/712:24:337
111391240,0ptp4l0-21swapper/512:30:135
111391240,0ptp4l0-21swapper/511:46:515
111391240,0ptp4l0-21swapper/511:25:195
111391240,0ptp4l0-21swapper/511:12:035
111391240,0ptp4l0-21swapper/511:08:055
111391240,0ptp4l0-21swapper/511:08:055
111391240,0ptp4l0-21swapper/509:21:075
111391240,0ptp4l0-21swapper/507:22:395
111391240,0ptp4l0-21swapper/412:38:504
111391240,0ptp4l0-21swapper/412:23:034
111391240,0ptp4l0-21swapper/412:04:394
111391240,0ptp4l0-21swapper/411:50:444
111391240,0ptp4l0-21swapper/411:13:314
111391240,0ptp4l0-21swapper/410:29:384
111391240,0ptp4l0-21swapper/409:05:154
111391240,0ptp4l0-21swapper/408:26:344
111391240,0ptp4l0-21swapper/408:26:334
111391240,0ptp4l0-21swapper/408:10:194
111391240,0ptp4l0-21swapper/407:35:144
111391240,0ptp4l0-21swapper/407:25:194
111391240,0ptp4l0-21swapper/112:10:131
111391240,0ptp4l0-21swapper/111:24:551
111391240,0ptp4l0-21swapper/110:30:051
111391240,0ptp4l0-21swapper/108:20:151
111391240,0ptp4l0-21swapper/012:06:490
111391240,0ptp4l0-21swapper/011:55:230
111391240,0ptp4l0-21swapper/011:40:140
111391240,0ptp4l0-21swapper/011:04:390
111391240,0ptp4l0-21swapper/010:42:320
111391240,0ptp4l0-21swapper/010:31:250
111391240,0ptp4l0-21swapper/008:45:200
111391240,0ptp4l0-21swapper/008:00:160
111391240,0ptp4l0-21swapper/007:25:100
111391230,0ptp4l3229-21diskmemload12:10:575
111391230,0ptp4l0-21swapper/712:25:127
111391230,0ptp4l0-21swapper/710:37:597
111391230,0ptp4l0-21swapper/610:41:466
111391230,0ptp4l0-21swapper/512:10:005
111391230,0ptp4l0-21swapper/511:55:195
111391230,0ptp4l0-21swapper/511:32:415
111391230,0ptp4l0-21swapper/511:00:115
111391230,0ptp4l0-21swapper/510:30:125
111391230,0ptp4l0-21swapper/509:39:525
111391230,0ptp4l0-21swapper/508:40:215
111391230,0ptp4l0-21swapper/507:50:235
111391230,0ptp4l0-21swapper/507:45:175
111391230,0ptp4l0-21swapper/507:10:215
111391230,0ptp4l0-21swapper/411:35:204
111391230,0ptp4l0-21swapper/410:52:074
111391230,0ptp4l0-21swapper/410:05:034
111391230,0ptp4l0-21swapper/409:10:164
111391230,0ptp4l0-21swapper/408:35:144
111391230,0ptp4l0-21swapper/408:30:144
111391230,0ptp4l0-21swapper/408:30:134
111391230,0ptp4l0-21swapper/312:25:153
111391230,0ptp4l0-21swapper/210:16:342
111391230,0ptp4l0-21swapper/112:37:491
111391230,0ptp4l0-21swapper/112:30:171
111391230,0ptp4l0-21swapper/111:33:321
111391230,0ptp4l0-21swapper/111:08:311
111391230,0ptp4l0-21swapper/111:08:311
111391230,0ptp4l0-21swapper/110:45:221
111391230,0ptp4l0-21swapper/110:23:401
111391230,0ptp4l0-21swapper/110:08:541
111391230,0ptp4l0-21swapper/109:55:451
111391230,0ptp4l0-21swapper/109:40:201
111391230,0ptp4l0-21swapper/107:15:101
111391230,0ptp4l0-21swapper/012:20:140
111391230,0ptp4l0-21swapper/011:50:000
111391230,0ptp4l0-21swapper/010:08:180
111391230,0ptp4l0-21swapper/009:25:140
111391230,0ptp4l0-21swapper/009:00:220
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/008:05:230
111391230,0ptp4l0-21swapper/007:50:210
111391230,0ptp4l0-21swapper/007:35:130
111391220,0ptp4l0-21swapper/709:49:197
111391220,0ptp4l0-21swapper/610:58:166
111391220,0ptp4l0-21swapper/610:50:146
111391220,0ptp4l0-21swapper/609:10:306
111391220,0ptp4l0-21swapper/512:35:135
111391220,0ptp4l0-21swapper/512:15:125
111391220,0ptp4l0-21swapper/511:50:135
111391220,0ptp4l0-21swapper/511:40:415
111391220,0ptp4l0-21swapper/511:19:335
111391220,0ptp4l0-21swapper/510:51:185
111391220,0ptp4l0-21swapper/510:49:025
111391220,0ptp4l0-21swapper/510:24:185
111391220,0ptp4l0-21swapper/510:16:185
111391220,0ptp4l0-21swapper/510:10:165
111391220,0ptp4l0-21swapper/510:07:235
111391220,0ptp4l0-21swapper/509:40:155
111391220,0ptp4l0-21swapper/509:27:385
111391220,0ptp4l0-21swapper/509:10:415
111391220,0ptp4l0-21swapper/508:20:105
111391220,0ptp4l0-21swapper/507:55:185
111391220,0ptp4l0-21swapper/507:15:125
111391220,0ptp4l0-21swapper/412:13:474
111391220,0ptp4l0-21swapper/411:49:144
111391220,0ptp4l0-21swapper/410:31:374
111391220,0ptp4l0-21swapper/410:00:174
111391220,0ptp4l0-21swapper/409:55:124
111391220,0ptp4l0-21swapper/409:00:234
111391220,0ptp4l0-21swapper/408:45:114
111391220,0ptp4l0-21swapper/408:23:334
111391220,0ptp4l0-21swapper/408:15:194
111391220,0ptp4l0-21swapper/408:05:174
111391220,0ptp4l0-21swapper/407:40:164
111391220,0ptp4l0-21swapper/308:55:003
111391220,0ptp4l0-21swapper/308:44:023
111391220,0ptp4l0-21swapper/308:22:033
111391220,0ptp4l0-21swapper/307:24:553
111391220,0ptp4l0-21swapper/112:22:501
111391220,0ptp4l0-21swapper/112:05:321
111391220,0ptp4l0-21swapper/111:50:141
111391220,0ptp4l0-21swapper/111:19:221
111391220,0ptp4l0-21swapper/110:51:131
111391220,0ptp4l0-21swapper/110:35:201
111391220,0ptp4l0-21swapper/110:10:021
111391220,0ptp4l0-21swapper/110:00:031
111391220,0ptp4l0-21swapper/109:37:011
111391220,0ptp4l0-21swapper/109:33:471
111391220,0ptp4l0-21swapper/109:20:341
111391220,0ptp4l0-21swapper/109:10:031
111391220,0ptp4l0-21swapper/109:10:001
111391220,0ptp4l0-21swapper/109:00:201
111391220,0ptp4l0-21swapper/010:45:190
111391220,0ptp4l0-21swapper/009:40:470
111391220,0ptp4l0-21swapper/009:15:130
111391220,0ptp4l0-21swapper/009:05:180
111391220,0ptp4l0-21swapper/008:40:150
111391220,0ptp4l0-21swapper/008:35:170
111391220,0ptp4l0-21swapper/008:25:180
111391220,0ptp4l0-21swapper/008:25:170
111391220,0ptp4l0-21swapper/008:20:210
111391220,0ptp4l0-21swapper/007:45:120
111391220,0ptp4l0-21swapper/007:30:150
111391220,0ptp4l0-21swapper/007:20:110
154022210,0sleep20-21swapper/211:35:182
111391210,1ptp4l26785-21acpi08:50:120
111391210,1ptp4l1249499cyclictest08:48:025
111391210,0ptp4l0-21swapper/711:52:237
111391210,0ptp4l0-21swapper/708:22:197
111391210,0ptp4l0-21swapper/612:12:176
111391210,0ptp4l0-21swapper/611:53:536
111391210,0ptp4l0-21swapper/512:29:155
111391210,0ptp4l0-21swapper/512:03:315
111391210,0ptp4l0-21swapper/511:36:255
111391210,0ptp4l0-21swapper/508:25:015
111391210,0ptp4l0-21swapper/508:25:005
111391210,0ptp4l0-21swapper/408:40:274
111391210,0ptp4l0-21swapper/408:00:194
111391210,0ptp4l0-21swapper/407:45:154
111391210,0ptp4l0-21swapper/407:17:354
111391210,0ptp4l0-21swapper/311:52:223
111391210,0ptp4l0-21swapper/208:40:222
111391210,0ptp4l0-21swapper/112:29:091
111391210,0ptp4l0-21swapper/111:40:521
111391210,0ptp4l0-21swapper/110:58:121
111391210,0ptp4l0-21swapper/109:27:391
111391210,0ptp4l0-21swapper/108:15:231
111391210,0ptp4l0-21swapper/107:52:591
111391210,0ptp4l0-21swapper/107:45:181
111391210,0ptp4l0-21swapper/107:21:311
111391210,0ptp4l0-21swapper/010:27:230
111391210,0ptp4l0-21swapper/007:55:170
111391200,0ptp4l0-21swapper/708:54:027
111391200,0ptp4l0-21swapper/611:16:396
111391200,0ptp4l0-21swapper/608:45:396
111391200,0ptp4l0-21swapper/512:22:215
111391200,0ptp4l0-21swapper/511:24:165
111391200,0ptp4l0-21swapper/510:36:055
111391200,0ptp4l0-21swapper/407:30:134
111391200,0ptp4l0-21swapper/407:12:554
111391200,0ptp4l0-21swapper/310:37:423
111391200,0ptp4l0-21swapper/310:06:253
111391200,0ptp4l0-21swapper/309:49:143
111391200,0ptp4l0-21swapper/212:12:162
111391200,0ptp4l0-21swapper/211:53:502
111391200,0ptp4l0-21swapper/210:41:452
111391200,0ptp4l0-21swapper/112:03:331
111391200,0ptp4l0-21swapper/111:55:191
111391200,0ptp4l0-21swapper/109:16:231
111391200,0ptp4l0-21swapper/108:12:161
111391200,0ptp4l0-21swapper/107:35:591
111391200,0ptp4l0-21swapper/008:10:020
111391200,0ptp4l0-21swapper/007:18:030
111391190,1ptp4l29270-21cut08:55:137
111391190,1ptp4l0-21swapper/710:06:187
111391190,0ptp4l0-21swapper/708:43:037
111391190,0ptp4l0-21swapper/609:52:576
111391190,0ptp4l0-21swapper/508:39:395
111391190,0ptp4l0-21swapper/508:33:235
111391190,0ptp4l0-21swapper/508:33:235
111391190,0ptp4l0-21swapper/508:19:105
111391190,0ptp4l0-21swapper/407:58:024
111391190,0ptp4l0-21swapper/211:41:402
111391190,0ptp4l0-21swapper/210:34:042
111391190,0ptp4l0-21swapper/210:01:102
111391190,0ptp4l0-21swapper/110:40:261
111391190,0ptp4l0-21swapper/108:51:531
111391190,0ptp4l0-21swapper/108:36:361
111391190,0ptp4l0-21swapper/107:44:031
111391190,0ptp4l0-21swapper/107:29:271
111391190,0ptp4l0-21swapper/007:11:020
111391180,0ptp4l0-21swapper/611:41:406
111391180,0ptp4l0-21swapper/610:34:036
111391180,0ptp4l0-21swapper/610:01:086
111391180,0ptp4l0-21swapper/609:56:186
111391180,0ptp4l0-21swapper/509:49:515
111391180,0ptp4l0-21swapper/509:30:365
111391180,0ptp4l0-21swapper/211:04:132
111391180,0ptp4l0-21swapper/210:58:142
111391180,0ptp4l0-21swapper/210:53:542
111391180,0ptp4l0-21swapper/209:56:172
111391180,0ptp4l0-21swapper/209:52:562
111391180,0ptp4l0-21swapper/110:16:171
111391170,0ptp4l0-21swapper/611:20:006
111391170,0ptp4l0-21swapper/611:04:136
111391170,0ptp4l0-21swapper/607:57:446
111391170,0ptp4l0-21swapper/508:09:355
111391170,0ptp4l0-21swapper/210:38:362
111391170,0ptp4l0-21swapper/209:10:312
111391170,0ptp4l0-21swapper/108:02:071
105852170,0sleep30-21swapper/309:19:173
111391160,0ptp4l0-21swapper/610:11:556
111391160,0ptp4l0-21swapper/508:57:075
111391160,0ptp4l0-21swapper/508:12:005
111391160,0ptp4l0-21swapper/308:53:353
111391160,0ptp4l0-21swapper/211:16:392
111391160,0ptp4l0-21swapper/208:38:422
111391160,0ptp4l0-21swapper/208:20:182
111391160,0ptp4l0-21swapper/108:57:271
111391160,0ptp4l0-21swapper/108:49:371
111391160,0ptp4l0-21swapper/108:33:001
111391160,0ptp4l0-21swapper/108:32:591
111391160,0ptp4l0-21swapper/108:25:331
111391160,0ptp4l0-21swapper/108:25:331
111391160,0ptp4l0-21swapper/107:31:011
148982150,0sleep2311rcuc/209:25:002
111391150,0ptp4l0-21swapper/707:24:527
111391150,0ptp4l0-21swapper/609:25:326
111391150,0ptp4l0-21swapper/608:40:236
111391150,0ptp4l0-21swapper/608:38:446
111391150,0ptp4l0-21swapper/608:20:206
111391150,0ptp4l0-21swapper/608:11:476
111391150,0ptp4l0-21swapper/607:41:586
111391150,0ptp4l0-21swapper/607:24:316
111391150,0ptp4l0-21swapper/607:16:136
111391150,0ptp4l0-21swapper/510:59:585
111391150,0ptp4l0-21swapper/510:40:265
111391150,0ptp4l0-21swapper/509:05:395
111391150,0ptp4l0-21swapper/508:01:295
111391150,0ptp4l0-21swapper/507:43:395
111391150,0ptp4l0-21swapper/507:39:415
111391150,0ptp4l0-21swapper/507:26:125
111391150,0ptp4l0-21swapper/209:08:492
111391150,0ptp4l0-21swapper/207:41:532
111391150,0ptp4l0-21swapper/207:32:452
111391150,0ptp4l0-21swapper/108:07:101
111391140,0ptp4l0-21swapper/609:04:326
111391140,0ptp4l0-21swapper/608:27:006
111391140,0ptp4l0-21swapper/608:26:596
111391140,0ptp4l0-21swapper/607:30:376
111391140,0ptp4l0-21swapper/607:28:546
111391140,0ptp4l0-21swapper/508:51:545
111391140,0ptp4l0-21swapper/507:33:295
111391140,0ptp4l0-21swapper/210:11:552
111391140,0ptp4l0-21swapper/209:04:302
111391140,0ptp4l0-21swapper/208:57:572
111391140,0ptp4l0-21swapper/208:45:392
111391140,0ptp4l0-21swapper/208:27:012
111391140,0ptp4l0-21swapper/208:27:002
111391140,0ptp4l0-21swapper/208:17:272
111391140,0ptp4l0-21swapper/208:11:452
111391140,0ptp4l0-21swapper/208:08:422
111391140,0ptp4l0-21swapper/208:00:582
111391140,0ptp4l0-21swapper/207:56:592
111391140,0ptp4l0-21swapper/207:51:082
111391140,0ptp4l0-21swapper/207:28:542
111391140,0ptp4l0-21swapper/207:24:292
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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