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2026-08-29 - 01:07

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 Fri Aug 28, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,6ptp4l0-21swapper/407:05:464
111391600,5ptp4l0-21swapper/007:06:170
178425847,7sleep10-21swapper/107:08:261
1881915634,7phc2sys0-21swapper/507:06:325
174325242,6sleep70-21swapper/707:07:527
163024838,6sleep20-21swapper/207:06:272
176924635,6sleep60-21swapper/607:08:156
154924635,7sleep30-21swapper/307:05:243
111391370,0ptp4l0-21swapper/109:45:201
111391360,1ptp4l15103-21irqstats07:35:150
111391330,0ptp4l0-21swapper/112:35:141
111391330,0ptp4l0-21swapper/011:40:100
111391330,0ptp4l0-21swapper/011:28:290
111391320,0ptp4l0-21swapper/410:40:124
111391310,3ptp4l0-21swapper/011:54:560
111391310,1ptp4l1068-21runrttasks11:22:281
111391310,0ptp4l0-21swapper/311:19:303
111391300,0ptp4l0-21swapper/511:50:165
111391300,0ptp4l0-21swapper/409:48:524
111391300,0ptp4l0-21swapper/111:31:401
111391300,0ptp4l0-21swapper/009:20:110
111391290,0ptp4l0-21swapper/111:09:061
111391290,0ptp4l0-21swapper/111:09:061
111391290,0ptp4l0-21swapper/110:23:491
111391290,0ptp4l0-21swapper/012:34:200
111391290,0ptp4l0-21swapper/011:30:150
111391290,0ptp4l0-21swapper/010:40:000
111391280,0ptp4l0-21swapper/711:33:597
111391280,0ptp4l0-21swapper/410:22:304
111391280,0ptp4l0-21swapper/409:55:094
111391280,0ptp4l0-21swapper/409:12:384
111391280,0ptp4l0-21swapper/109:50:181
111391280,0ptp4l0-21swapper/010:47:370
111391280,0ptp4l0-21swapper/010:38:220
111391280,0ptp4l0-21swapper/010:08:320
111391280,0ptp4l0-21swapper/009:11:140
111391270,0ptp4l0-21swapper/509:30:175
111391270,0ptp4l0-21swapper/508:00:165
111391270,0ptp4l0-21swapper/410:35:344
111391270,0ptp4l0-21swapper/409:39:324
111391270,0ptp4l0-21swapper/012:14:060
111391270,0ptp4l0-21swapper/011:45:110
111391270,0ptp4l0-21swapper/009:57:450
111391270,0ptp4l0-21swapper/009:46:440
111391260,2ptp4l0-21swapper/012:17:570
111391260,1ptp4l0-21swapper/010:20:000
111391260,0ptp4l0-21swapper/412:10:414
111391260,0ptp4l0-21swapper/411:35:174
111391260,0ptp4l0-21swapper/409:40:294
111391260,0ptp4l0-21swapper/408:35:124
111391260,0ptp4l0-21swapper/311:36:003
111391260,0ptp4l0-21swapper/111:56:331
111391260,0ptp4l0-21swapper/107:30:181
111391260,0ptp4l0-21swapper/012:21:510
111391260,0ptp4l0-21swapper/012:08:530
111391260,0ptp4l0-21swapper/011:15:160
111391260,0ptp4l0-21swapper/010:12:300
111391260,0ptp4l0-21swapper/009:16:460
111391260,0ptp4l0-21swapper/008:25:160
111391260,0ptp4l0-21swapper/008:25:160
111391250,3ptp4l0-21swapper/010:25:100
111391250,2ptp4l0-21swapper/512:05:195
111391250,1ptp4l27927-21munin-run12:19:594
111391250,0ptp4l0-21swapper/710:21:547
111391250,0ptp4l0-21swapper/512:25:115
111391250,0ptp4l0-21swapper/511:26:375
111391250,0ptp4l0-21swapper/511:22:025
111391250,0ptp4l0-21swapper/510:45:185
111391250,0ptp4l0-21swapper/509:50:195
111391250,0ptp4l0-21swapper/412:09:264
111391250,0ptp4l0-21swapper/411:09:334
111391250,0ptp4l0-21swapper/411:09:334
111391250,0ptp4l0-21swapper/411:00:164
111391250,0ptp4l0-21swapper/409:18:334
111391250,0ptp4l0-21swapper/408:26:294
111391250,0ptp4l0-21swapper/408:26:284
111391250,0ptp4l0-21swapper/111:26:321
111391250,0ptp4l0-21swapper/109:34:371
111391250,0ptp4l0-21swapper/109:23:271
111391250,0ptp4l0-21swapper/107:10:141
111391250,0ptp4l0-21swapper/011:35:130
111391250,0ptp4l0-21swapper/011:01:230
111391250,0ptp4l0-21swapper/009:26:400
111391250,0ptp4l0-21swapper/008:40:120
111391240,3ptp4l0-21swapper/010:01:250
111391240,1ptp4l561ktimersoftd/511:36:285
111391240,1ptp4l29863-21/usr/sbin/munin09:15:151
111391240,1ptp4l29243-21memory10:00:164
111391240,1ptp4l25-21ksoftirqd/112:05:201
111391240,1ptp4l20706-21timerwakeupswit11:20:184
111391240,1ptp4l16677-21cpuspeed_turbos08:50:125
111391240,1ptp4l15704-21smartctl09:40:172
111391240,1ptp4l12231-21/usr/sbin/munin08:40:124
111391240,0ptp4l25-21ksoftirqd/110:57:521
111391240,0ptp4l0-21swapper/711:24:327
111391240,0ptp4l0-21swapper/709:17:167
111391240,0ptp4l0-21swapper/512:35:495
111391240,0ptp4l0-21swapper/412:30:114
111391240,0ptp4l0-21swapper/412:22:164
111391240,0ptp4l0-21swapper/412:00:084
111391240,0ptp4l0-21swapper/411:55:124
111391240,0ptp4l0-21swapper/411:30:164
111391240,0ptp4l0-21swapper/411:10:444
111391240,0ptp4l0-21swapper/410:55:124
111391240,0ptp4l0-21swapper/410:10:144
111391240,0ptp4l0-21swapper/409:20:144
111391240,0ptp4l0-21swapper/408:45:134
111391240,0ptp4l0-21swapper/408:05:124
111391240,0ptp4l0-21swapper/311:23:043
111391240,0ptp4l0-21swapper/112:03:491
111391240,0ptp4l0-21swapper/110:13:001
111391240,0ptp4l0-21swapper/109:10:121
111391240,0ptp4l0-21swapper/107:50:131
111391240,0ptp4l0-21swapper/107:30:001
111391240,0ptp4l0-21swapper/107:15:201
111391240,0ptp4l0-21swapper/011:55:420
111391240,0ptp4l0-21swapper/010:53:230
111391240,0ptp4l0-21swapper/010:24:530
111391230,3ptp4l0-21swapper/512:12:395
111391230,3ptp4l0-21swapper/212:18:162
111391230,1ptp4l32425-21crond08:15:004
111391230,1ptp4l20750-21kworker/5:110:34:075
111391230,1ptp4l19072-21df_inode08:55:110
111391230,0ptp4l23164-21cat09:05:001
111391230,0ptp4l16158-21ssh11:15:144
111391230,0ptp4l0-21swapper/711:19:127
111391230,0ptp4l0-21swapper/612:29:436
111391230,0ptp4l0-21swapper/612:18:206
111391230,0ptp4l0-21swapper/609:40:186
111391230,0ptp4l0-21swapper/609:22:436
111391230,0ptp4l0-21swapper/512:20:395
111391230,0ptp4l0-21swapper/512:19:045
111391230,0ptp4l0-21swapper/511:47:145
111391230,0ptp4l0-21swapper/511:15:195
111391230,0ptp4l0-21swapper/510:50:205
111391230,0ptp4l0-21swapper/510:01:385
111391230,0ptp4l0-21swapper/509:45:445
111391230,0ptp4l0-21swapper/509:10:145
111391230,0ptp4l0-21swapper/507:45:185
111391230,0ptp4l0-21swapper/507:15:205
111391230,0ptp4l0-21swapper/412:39:254
111391230,0ptp4l0-21swapper/411:45:014
111391230,0ptp4l0-21swapper/410:51:074
111391230,0ptp4l0-21swapper/410:30:124
111391230,0ptp4l0-21swapper/410:25:124
111391230,0ptp4l0-21swapper/410:15:144
111391230,0ptp4l0-21swapper/410:05:154
111391230,0ptp4l0-21swapper/409:55:004
111391230,0ptp4l0-21swapper/409:31:574
111391230,0ptp4l0-21swapper/409:25:134
111391230,0ptp4l0-21swapper/409:00:204
111391230,0ptp4l0-21swapper/408:10:194
111391230,0ptp4l0-21swapper/407:45:154
111391230,0ptp4l0-21swapper/407:35:154
111391230,0ptp4l0-21swapper/312:10:183
111391230,0ptp4l0-21swapper/208:25:132
111391230,0ptp4l0-21swapper/208:25:132
111391230,0ptp4l0-21swapper/112:25:111
111391230,0ptp4l0-21swapper/112:19:311
111391230,0ptp4l0-21swapper/111:50:181
111391230,0ptp4l0-21swapper/111:47:031
111391230,0ptp4l0-21swapper/110:50:131
111391230,0ptp4l0-21swapper/109:45:001
111391230,0ptp4l0-21swapper/109:35:111
111391230,0ptp4l0-21swapper/108:45:161
111391230,0ptp4l0-21swapper/107:55:121
111391230,0ptp4l0-21swapper/012:01:010
111391230,0ptp4l0-21swapper/011:05:110
111391230,0ptp4l0-21swapper/011:05:110
111391230,0ptp4l0-21swapper/010:55:120
111391230,0ptp4l0-21swapper/010:30:110
111391230,0ptp4l0-21swapper/009:40:110
111391230,0ptp4l0-21swapper/008:35:190
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:50:110
111391230,0ptp4l0-21swapper/007:25:150
111391230,0ptp4l0-21swapper/007:20:130
4762220,0sleep30-21swapper/310:51:513
111391220,1ptp4l0-21swapper/509:44:105
111391220,0ptp4l32416-21ssh11:39:081
111391220,0ptp4l25319-21diskmemload09:26:371
111391220,0ptp4l0-21swapper/712:10:187
111391220,0ptp4l0-21swapper/608:30:156
111391220,0ptp4l0-21swapper/608:25:156
111391220,0ptp4l0-21swapper/608:25:156
111391220,0ptp4l0-21swapper/608:25:006
111391220,0ptp4l0-21swapper/512:04:065
111391220,0ptp4l0-21swapper/511:41:155
111391220,0ptp4l0-21swapper/511:31:505
111391220,0ptp4l0-21swapper/511:05:195
111391220,0ptp4l0-21swapper/511:05:195
111391220,0ptp4l0-21swapper/510:56:495
111391220,0ptp4l0-21swapper/510:27:385
111391220,0ptp4l0-21swapper/510:16:135
111391220,0ptp4l0-21swapper/509:57:295
111391220,0ptp4l0-21swapper/509:35:105
111391220,0ptp4l0-21swapper/509:26:545
111391220,0ptp4l0-21swapper/509:15:205
111391220,0ptp4l0-21swapper/509:05:135
111391220,0ptp4l0-21swapper/508:45:175
111391220,0ptp4l0-21swapper/508:40:015
111391220,0ptp4l0-21swapper/508:10:115
111391220,0ptp4l0-21swapper/507:30:125
111391220,0ptp4l0-21swapper/411:50:154
111391220,0ptp4l0-21swapper/411:40:114
111391220,0ptp4l0-21swapper/411:25:134
111391220,0ptp4l0-21swapper/408:55:124
111391220,0ptp4l0-21swapper/408:50:174
111391220,0ptp4l0-21swapper/408:30:114
111391220,0ptp4l0-21swapper/408:04:484
111391220,0ptp4l0-21swapper/407:55:154
111391220,0ptp4l0-21swapper/407:50:134
111391220,0ptp4l0-21swapper/407:40:184
111391220,0ptp4l0-21swapper/407:25:194
111391220,0ptp4l0-21swapper/407:20:114
111391220,0ptp4l0-21swapper/407:15:134
111391220,0ptp4l0-21swapper/407:11:354
111391220,0ptp4l0-21swapper/309:17:103
111391220,0ptp4l0-21swapper/209:35:272
111391220,0ptp4l0-21swapper/209:25:172
111391220,0ptp4l0-21swapper/209:22:412
111391220,0ptp4l0-21swapper/112:24:501
111391220,0ptp4l0-21swapper/112:13:351
111391220,0ptp4l0-21swapper/111:42:181
111391220,0ptp4l0-21swapper/111:15:191
111391220,0ptp4l0-21swapper/111:02:421
111391220,0ptp4l0-21swapper/110:45:151
111391220,0ptp4l0-21swapper/110:41:381
111391220,0ptp4l0-21swapper/110:38:071
111391220,0ptp4l0-21swapper/110:33:261
111391220,0ptp4l0-21swapper/110:27:141
111391220,0ptp4l0-21swapper/109:57:361
111391220,0ptp4l0-21swapper/109:05:151
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:25:201
111391220,0ptp4l0-21swapper/108:25:201
111391220,0ptp4l0-21swapper/108:10:141
111391220,0ptp4l0-21swapper/108:00:121
111391220,0ptp4l0-21swapper/107:20:151
111391220,0ptp4l0-21swapper/012:37:100
111391220,0ptp4l0-21swapper/012:28:410
111391220,0ptp4l0-21swapper/011:20:100
111391220,0ptp4l0-21swapper/011:10:120
111391220,0ptp4l0-21swapper/009:51:180
111391220,0ptp4l0-21swapper/009:35:310
111391220,0ptp4l0-21swapper/009:31:450
111391220,0ptp4l0-21swapper/009:00:130
111391220,0ptp4l0-21swapper/008:30:110
111391220,0ptp4l0-21swapper/008:20:130
111391220,0ptp4l0-21swapper/008:05:160
111391220,0ptp4l0-21swapper/007:45:130
111391210,1ptp4l73-21ksoftirqd/710:03:427
111391210,1ptp4l25-21ksoftirqd/110:15:471
111391210,0ptp4l0-21swapper/609:25:186
111391210,0ptp4l0-21swapper/512:32:575
111391210,0ptp4l0-21swapper/511:13:115
111391210,0ptp4l0-21swapper/511:02:025
111391210,0ptp4l0-21swapper/510:44:425
111391210,0ptp4l0-21swapper/510:23:535
111391210,0ptp4l0-21swapper/509:24:025
111391210,0ptp4l0-21swapper/508:36:395
111391210,0ptp4l0-21swapper/507:10:125
111391210,0ptp4l0-21swapper/412:25:304
111391210,0ptp4l0-21swapper/410:45:194
111391210,0ptp4l0-21swapper/408:20:104
111391210,0ptp4l0-21swapper/311:34:243
111391210,0ptp4l0-21swapper/310:22:023
111391210,0ptp4l0-21swapper/310:03:463
111391210,0ptp4l0-21swapper/212:29:442
111391210,0ptp4l0-21swapper/212:24:192
111391210,0ptp4l0-21swapper/211:44:182
111391210,0ptp4l0-21swapper/211:12:082
111391210,0ptp4l0-21swapper/112:32:361
111391210,0ptp4l0-21swapper/111:10:011
111391210,0ptp4l0-21swapper/110:09:021
111391210,0ptp4l0-21swapper/108:19:591
111391210,0ptp4l0-21swapper/107:45:171
111391210,0ptp4l0-21swapper/008:50:170
111391210,0ptp4l0-21swapper/008:45:180
111391210,0ptp4l0-21swapper/008:02:450
111391200,1ptp4l799-21NetworkManager07:31:184
111391200,0ptp4l25319-21diskmemload10:07:256
111391200,0ptp4l0-21swapper/711:36:067
111391200,0ptp4l0-21swapper/612:30:046
111391200,0ptp4l0-21swapper/610:45:396
111391200,0ptp4l0-21swapper/610:10:306
111391200,0ptp4l0-21swapper/510:36:465
111391200,0ptp4l0-21swapper/510:13:245
111391200,0ptp4l0-21swapper/508:25:195
111391200,0ptp4l0-21swapper/508:25:185
111391200,0ptp4l0-21swapper/212:30:052
111391200,0ptp4l0-21swapper/210:43:282
111391200,0ptp4l0-21swapper/210:07:202
111391200,0ptp4l0-21swapper/110:01:521
111391200,0ptp4l0-21swapper/108:23:281
111391200,0ptp4l0-21swapper/107:43:181
111391200,0ptp4l0-21swapper/007:40:200
111391200,0ptp4l0-21swapper/007:33:330
111391200,0ptp4l0-21swapper/007:17:500
111391190,0ptp4l0-21swapper/710:43:007
111391190,0ptp4l0-21swapper/612:24:176
111391190,0ptp4l0-21swapper/611:44:206
111391190,0ptp4l0-21swapper/610:43:266
111391190,0ptp4l0-21swapper/608:12:436
111391190,0ptp4l0-21swapper/511:56:035
111391190,0ptp4l0-21swapper/510:06:105
111391190,0ptp4l0-21swapper/508:22:285
111391190,0ptp4l0-21swapper/508:08:285
111391190,0ptp4l0-21swapper/507:56:425
111391190,0ptp4l0-21swapper/507:26:475
111391190,0ptp4l0-21swapper/409:08:264
111391190,0ptp4l0-21swapper/308:47:283
111391190,0ptp4l0-21swapper/212:09:002
111391190,0ptp4l0-21swapper/211:35:492
111391190,0ptp4l0-21swapper/210:45:402
111391190,0ptp4l0-21swapper/210:10:312
111391190,0ptp4l0-21swapper/108:56:381
111391190,0ptp4l0-21swapper/108:31:281
111391190,0ptp4l0-21swapper/108:08:361
111391190,0ptp4l0-21swapper/007:14:180
280752180,0sleep20-21swapper/211:31:322
111391180,0ptp4l0-21swapper/708:48:367
111391180,0ptp4l0-21swapper/708:33:407
111391180,0ptp4l0-21swapper/611:12:096
111391180,0ptp4l0-21swapper/209:46:402
111391180,0ptp4l0-21swapper/208:05:472
111391180,0ptp4l0-21swapper/108:39:511
111391170,0ptp4l0-21swapper/609:46:386
111391170,0ptp4l0-21swapper/609:19:216
111391170,0ptp4l0-21swapper/507:36:195
111391170,0ptp4l0-21swapper/210:50:462
111391170,0ptp4l0-21swapper/208:30:132
111391170,0ptp4l0-21swapper/009:08:500
111391160,0ptp4l33-21ksoftirqd/208:03:252
111391160,0ptp4l0-21swapper/707:40:487
111391160,0ptp4l0-21swapper/611:35:516
111391160,0ptp4l0-21swapper/608:16:306
111391160,0ptp4l0-21swapper/508:32:105
111391160,0ptp4l0-21swapper/310:43:003
111391160,0ptp4l0-21swapper/208:24:472
111391160,0ptp4l0-21swapper/207:50:252
111391160,0ptp4l0-21swapper/108:40:191
111391160,0ptp4l0-21swapper/008:12:300
111391150,0ptp4l33-21ksoftirqd/207:16:172
111391150,0ptp4l0-21swapper/708:42:337
111391150,0ptp4l0-21swapper/707:20:427
111391150,0ptp4l0-21swapper/609:35:236
111391150,0ptp4l0-21swapper/608:42:176
111391150,0ptp4l0-21swapper/608:38:526
111391150,0ptp4l0-21swapper/608:05:476
111391150,0ptp4l0-21swapper/608:03:276
111391150,0ptp4l0-21swapper/607:50:266
111391150,0ptp4l0-21swapper/607:49:506
111391150,0ptp4l0-21swapper/607:38:146
111391150,0ptp4l0-21swapper/607:33:556
111391150,0ptp4l0-21swapper/607:22:576
111391150,0ptp4l0-21swapper/607:16:196
111391150,0ptp4l0-21swapper/509:00:595
111391150,0ptp4l0-21swapper/508:55:275
111391150,0ptp4l0-21swapper/508:16:165
111391150,0ptp4l0-21swapper/507:51:185
111391150,0ptp4l0-21swapper/507:43:195
111391150,0ptp4l0-21swapper/507:20:025
111391150,0ptp4l0-21swapper/308:32:223
111391150,0ptp4l0-21swapper/307:40:463
111391150,0ptp4l0-21swapper/307:20:443
111391150,0ptp4l0-21swapper/209:19:032
111391150,0ptp4l0-21swapper/208:56:312
111391150,0ptp4l0-21swapper/207:49:562
111391150,0ptp4l0-21swapper/207:37:562
111391150,0ptp4l0-21swapper/207:14:552
111391150,0ptp4l0-21swapper/107:36:071
111391140,0ptp4l0-21swapper/608:56:256
111391140,0ptp4l0-21swapper/607:43:366
111391140,0ptp4l0-21swapper/607:26:046
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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