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2026-07-17 - 15:52

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 Jul 17, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
210692710,1sleep7721ktimersoftd/711:55:167
111391590,5ptp4l0-21swapper/407:07:424
1058225948,6sleep70-21swapper/707:09:217
1056825848,6sleep20-21swapper/207:09:082
1881915433,7phc2sys0-21swapper/107:05:441
111391540,1ptp4l101ktimersoftd/007:05:210
1061924938,6sleep60-21swapper/607:09:526
1048524635,7sleep50-21swapper/507:08:075
1044824635,7sleep30-21swapper/307:07:413
111391350,5ptp4l24374-21unixbench_multi08:45:204
111391350,5ptp4l24374-21unixbench_multi08:45:204
111391340,0ptp4l0-21swapper/511:10:195
111391330,0ptp4l0-21swapper/412:10:144
111391330,0ptp4l0-21swapper/411:00:164
111391330,0ptp4l0-21swapper/112:22:031
111391320,0ptp4l0-21swapper/010:40:160
111391320,0ptp4l0-21swapper/009:50:130
111391320,0ptp4l0-21swapper/009:17:080
111391310,3ptp4l0-21swapper/110:23:161
111391310,0ptp4l0-21swapper/409:26:204
111391310,0ptp4l0-21swapper/409:18:134
111391310,0ptp4l0-21swapper/112:12:511
111391310,0ptp4l0-21swapper/110:46:511
111391310,0ptp4l0-21swapper/010:11:170
111391300,0ptp4l0-21swapper/509:39:535
111391300,0ptp4l0-21swapper/509:15:385
111391300,0ptp4l0-21swapper/509:10:595
111391300,0ptp4l0-21swapper/412:02:234
111391300,0ptp4l0-21swapper/411:40:594
111391300,0ptp4l0-21swapper/410:59:234
111391300,0ptp4l0-21swapper/410:47:314
111391300,0ptp4l0-21swapper/410:40:154
111391300,0ptp4l0-21swapper/410:00:314
111391300,0ptp4l0-21swapper/409:43:384
111391300,0ptp4l0-21swapper/409:24:194
111391300,0ptp4l0-21swapper/111:55:511
111391300,0ptp4l0-21swapper/111:01:231
111391300,0ptp4l0-21swapper/009:59:190
111391290,2ptp4l0-21swapper/407:45:304
111391290,0ptp4l0-21swapper/512:25:035
111391290,0ptp4l0-21swapper/512:22:125
111391290,0ptp4l0-21swapper/511:52:395
111391290,0ptp4l0-21swapper/510:38:255
111391290,0ptp4l0-21swapper/412:18:014
111391290,0ptp4l0-21swapper/411:32:084
111391290,0ptp4l0-21swapper/410:19:474
111391290,0ptp4l0-21swapper/409:45:064
111391290,0ptp4l0-21swapper/407:30:154
111391290,0ptp4l0-21swapper/309:10:203
111391290,0ptp4l0-21swapper/011:57:180
111391290,0ptp4l0-21swapper/011:42:170
111391290,0ptp4l0-21swapper/011:20:590
111391290,0ptp4l0-21swapper/011:20:580
111391290,0ptp4l0-21swapper/011:13:300
111391290,0ptp4l0-21swapper/011:01:020
111391290,0ptp4l0-21swapper/010:52:240
111391290,0ptp4l0-21swapper/009:44:030
111391280,0ptp4l0-21swapper/510:16:565
111391280,0ptp4l0-21swapper/411:25:194
111391280,0ptp4l0-21swapper/410:37:454
111391280,0ptp4l0-21swapper/410:12:134
111391280,0ptp4l0-21swapper/312:15:413
111391280,0ptp4l0-21swapper/111:45:441
111391280,0ptp4l0-21swapper/012:21:190
111391280,0ptp4l0-21swapper/010:20:530
111391270,3ptp4l0-21swapper/409:58:414
111391270,0ptp4l0-21swapper/512:30:165
111391270,0ptp4l0-21swapper/412:36:074
111391270,0ptp4l0-21swapper/411:16:134
111391270,0ptp4l0-21swapper/411:12:044
111391270,0ptp4l0-21swapper/409:31:354
111391270,0ptp4l0-21swapper/109:21:361
111391270,0ptp4l0-21swapper/012:17:480
111391270,0ptp4l0-21swapper/011:46:410
111391270,0ptp4l0-21swapper/010:32:040
111391270,0ptp4l0-21swapper/009:48:520
111391270,0ptp4l0-21swapper/009:13:390
111391260,4ptp4l0-21swapper/410:21:524
111391260,2ptp4l49-21ksoftirqd/411:25:014
111391260,2ptp4l49-21ksoftirqd/411:25:004
111391260,0ptp4l0-21swapper/510:55:545
111391260,0ptp4l0-21swapper/509:53:265
111391260,0ptp4l0-21swapper/412:20:094
111391260,0ptp4l0-21swapper/410:50:374
111391260,0ptp4l0-21swapper/112:32:141
111391260,0ptp4l0-21swapper/111:50:351
111391260,0ptp4l0-21swapper/012:39:580
111391260,0ptp4l0-21swapper/012:28:590
111391260,0ptp4l0-21swapper/011:53:310
111391260,0ptp4l0-21swapper/011:31:370
111391260,0ptp4l0-21swapper/009:31:150
111391250,2ptp4l20386-21latency_hist08:40:004
111391250,1ptp4l30445-21irqstats09:00:161
111391250,1ptp4l27132-21runrttasks07:42:005
111391250,1ptp4l17767-21unixbench_singl07:20:214
111391250,0ptp4l0-21swapper/511:31:115
111391250,0ptp4l0-21swapper/510:10:135
111391250,0ptp4l0-21swapper/509:42:055
111391250,0ptp4l0-21swapper/412:30:594
111391250,0ptp4l0-21swapper/411:55:124
111391250,0ptp4l0-21swapper/409:00:114
111391250,0ptp4l0-21swapper/408:24:424
111391250,0ptp4l0-21swapper/407:25:164
111391250,0ptp4l0-21swapper/308:50:133
111391250,0ptp4l0-21swapper/112:35:211
111391250,0ptp4l0-21swapper/111:43:161
111391250,0ptp4l0-21swapper/111:30:421
111391250,0ptp4l0-21swapper/111:27:281
111391250,0ptp4l0-21swapper/108:17:281
111391250,0ptp4l0-21swapper/011:35:350
111391250,0ptp4l0-21swapper/009:29:270
111391250,0ptp4l0-21swapper/007:15:140
111391240,1ptp4l31264-21/usr/sbin/munin07:50:210
111391240,1ptp4l28270-21if_eno112:05:134
111391240,1ptp4l19316-21if_enp0s2511:05:150
111391240,1ptp4l18936-21/usr/sbin/munin11:05:234
111391240,1ptp4l17971-21awk08:35:014
111391240,1ptp4l13185-21munin-node07:15:011
111391240,1ptp4l1091099cyclictest11:10:131
111391240,1ptp4l10274-21needreboot10:05:185
111391240,0ptp4l1645-21diskmemload12:00:101
111391240,0ptp4l0-21swapper/712:15:197
111391240,0ptp4l0-21swapper/512:39:505
111391240,0ptp4l0-21swapper/511:27:015
111391240,0ptp4l0-21swapper/511:01:425
111391240,0ptp4l0-21swapper/510:45:205
111391240,0ptp4l0-21swapper/508:57:575
111391240,0ptp4l0-21swapper/508:31:385
111391240,0ptp4l0-21swapper/507:59:155
111391240,0ptp4l0-21swapper/507:36:305
111391240,0ptp4l0-21swapper/411:49:374
111391240,0ptp4l0-21swapper/411:37:264
111391240,0ptp4l0-21swapper/410:33:504
111391240,0ptp4l0-21swapper/410:29:164
111391240,0ptp4l0-21swapper/410:06:464
111391240,0ptp4l0-21swapper/409:35:164
111391240,0ptp4l0-21swapper/408:40:144
111391240,0ptp4l0-21swapper/408:25:304
111391240,0ptp4l0-21swapper/408:10:244
111391240,0ptp4l0-21swapper/408:03:434
111391240,0ptp4l0-21swapper/312:14:473
111391240,0ptp4l0-21swapper/111:09:491
111391240,0ptp4l0-21swapper/110:35:111
111391240,0ptp4l0-21swapper/110:09:371
111391240,0ptp4l0-21swapper/109:43:211
111391240,0ptp4l0-21swapper/108:57:561
111391240,0ptp4l0-21swapper/108:10:141
111391240,0ptp4l0-21swapper/012:33:360
111391240,0ptp4l0-21swapper/010:55:180
111391240,0ptp4l0-21swapper/010:08:130
111391240,0ptp4l0-21swapper/010:01:300
111391240,0ptp4l0-21swapper/009:01:220
111391240,0ptp4l0-21swapper/008:55:160
111391240,0ptp4l0-21swapper/008:30:190
111391240,0ptp4l0-21swapper/008:25:190
111391240,0ptp4l0-21swapper/008:01:130
111391230,1ptp4l1934-21sed08:00:010
111391230,0ptp4l9892-21/usr/sbin/munin12:25:164
111391230,0ptp4l1645-21diskmemload11:59:455
111391230,0ptp4l0-21swapper/710:00:197
111391230,0ptp4l0-21swapper/709:38:067
111391230,0ptp4l0-21swapper/709:10:197
111391230,0ptp4l0-21swapper/708:50:187
111391230,0ptp4l0-21swapper/512:12:225
111391230,0ptp4l0-21swapper/512:05:205
111391230,0ptp4l0-21swapper/511:40:175
111391230,0ptp4l0-21swapper/511:15:435
111391230,0ptp4l0-21swapper/511:06:065
111391230,0ptp4l0-21swapper/510:05:005
111391230,0ptp4l0-21swapper/509:45:235
111391230,0ptp4l0-21swapper/509:33:005
111391230,0ptp4l0-21swapper/509:20:345
111391230,0ptp4l0-21swapper/509:05:145
111391230,0ptp4l0-21swapper/508:42:475
111391230,0ptp4l0-21swapper/508:18:545
111391230,0ptp4l0-21swapper/508:10:155
111391230,0ptp4l0-21swapper/507:45:125
111391230,0ptp4l0-21swapper/411:50:114
111391230,0ptp4l0-21swapper/409:51:244
111391230,0ptp4l0-21swapper/409:12:364
111391230,0ptp4l0-21swapper/409:05:214
111391230,0ptp4l0-21swapper/408:05:204
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:50:154
111391230,0ptp4l0-21swapper/407:35:154
111391230,0ptp4l0-21swapper/407:15:324
111391230,0ptp4l0-21swapper/310:00:183
111391230,0ptp4l0-21swapper/112:25:111
111391230,0ptp4l0-21swapper/110:56:161
111391230,0ptp4l0-21swapper/110:40:481
111391230,0ptp4l0-21swapper/110:34:281
111391230,0ptp4l0-21swapper/110:25:231
111391230,0ptp4l0-21swapper/110:15:191
111391230,0ptp4l0-21swapper/109:36:121
111391230,0ptp4l0-21swapper/109:34:351
111391230,0ptp4l0-21swapper/109:11:291
111391230,0ptp4l0-21swapper/109:09:041
111391230,0ptp4l0-21swapper/108:35:371
111391230,0ptp4l0-21swapper/108:01:581
111391230,0ptp4l0-21swapper/107:45:201
111391230,0ptp4l0-21swapper/107:40:211
111391230,0ptp4l0-21swapper/107:37:391
111391230,0ptp4l0-21swapper/107:31:501
111391230,0ptp4l0-21swapper/012:09:470
111391230,0ptp4l0-21swapper/012:00:190
111391230,0ptp4l0-21swapper/011:15:170
111391230,0ptp4l0-21swapper/010:25:140
111391230,0ptp4l0-21swapper/010:19:590
111391230,0ptp4l0-21swapper/009:20:160
111391230,0ptp4l0-21swapper/009:09:380
111391230,0ptp4l0-21swapper/008:40:200
111391230,0ptp4l0-21swapper/008:35:200
111391230,0ptp4l0-21swapper/008:23:040
111391230,0ptp4l0-21swapper/007:45:140
111391230,0ptp4l0-21swapper/007:30:210
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:20:140
111391230,0ptp4l0-21swapper/007:10:170
111391220,2ptp4l0-21swapper/507:53:505
111391220,0ptp4l0-21swapper/712:13:517
111391220,0ptp4l0-21swapper/512:00:165
111391220,0ptp4l0-21swapper/511:47:025
111391220,0ptp4l0-21swapper/511:38:055
111391220,0ptp4l0-21swapper/510:34:505
111391220,0ptp4l0-21swapper/510:28:515
111391220,0ptp4l0-21swapper/509:55:315
111391220,0ptp4l0-21swapper/509:00:205
111391220,0ptp4l0-21swapper/508:47:115
111391220,0ptp4l0-21swapper/508:47:115
111391220,0ptp4l0-21swapper/408:55:134
111391220,0ptp4l0-21swapper/408:15:144
111391220,0ptp4l0-21swapper/407:44:074
111391220,0ptp4l0-21swapper/407:10:134
111391220,0ptp4l0-21swapper/309:37:593
111391220,0ptp4l0-21swapper/112:05:141
111391220,0ptp4l0-21swapper/111:36:341
111391220,0ptp4l0-21swapper/110:10:091
111391220,0ptp4l0-21swapper/110:02:071
111391220,0ptp4l0-21swapper/109:56:041
111391220,0ptp4l0-21swapper/109:53:311
111391220,0ptp4l0-21swapper/109:45:171
111391220,0ptp4l0-21swapper/109:15:201
111391220,0ptp4l0-21swapper/108:46:441
111391220,0ptp4l0-21swapper/108:46:441
111391220,0ptp4l0-21swapper/108:42:341
111391220,0ptp4l0-21swapper/012:10:120
111391220,0ptp4l0-21swapper/011:25:010
111391220,0ptp4l0-21swapper/010:36:240
111391220,0ptp4l0-21swapper/009:35:170
111391220,0ptp4l0-21swapper/008:50:480
111391220,0ptp4l0-21swapper/008:45:130
111391220,0ptp4l0-21swapper/008:45:120
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/008:05:190
111391220,0ptp4l0-21swapper/007:35:110
111391210,1ptp4l29403-21kworker/3:109:46:203
111391210,0ptp4l0-21swapper/511:20:125
111391210,0ptp4l0-21swapper/511:20:115
111391210,0ptp4l0-21swapper/510:23:175
111391210,0ptp4l0-21swapper/507:31:375
111391210,0ptp4l0-21swapper/408:51:594
111391210,0ptp4l0-21swapper/112:16:111
111391210,0ptp4l0-21swapper/109:27:011
111391210,0ptp4l0-21swapper/108:08:591
111391210,0ptp4l0-21swapper/010:48:100
111391210,0ptp4l0-21swapper/007:40:160
111391200,0ptp4l0-21swapper/711:04:247
111391200,0ptp4l0-21swapper/708:33:307
111391200,0ptp4l0-21swapper/707:21:587
111391200,0ptp4l0-21swapper/612:39:036
111391200,0ptp4l0-21swapper/509:26:595
111391200,0ptp4l0-21swapper/508:28:585
111391200,0ptp4l0-21swapper/210:21:212
111391200,0ptp4l0-21swapper/108:51:311
111391200,0ptp4l0-21swapper/108:29:151
111391200,0ptp4l0-21swapper/107:51:571
111391190,0ptp4l20789-21cat07:30:011
111391190,0ptp4l0-21swapper/709:46:237
111391190,0ptp4l0-21swapper/609:26:166
111391190,0ptp4l0-21swapper/510:43:385
111391190,0ptp4l0-21swapper/508:38:065
111391190,0ptp4l0-21swapper/508:21:585
111391190,0ptp4l0-21swapper/111:22:251
111391190,0ptp4l0-21swapper/111:22:241
111391190,0ptp4l0-21swapper/111:19:171
111391190,0ptp4l0-21swapper/107:57:581
111391190,0ptp4l0-21swapper/008:13:300
111391180,0ptp4l0-21swapper/610:08:256
111391180,0ptp4l0-21swapper/609:13:406
111391180,0ptp4l0-21swapper/510:53:445
111391180,0ptp4l0-21swapper/311:04:193
111391180,0ptp4l0-21swapper/210:11:052
111391170,0ptp4l0-21swapper/212:39:032
111391170,0ptp4l0-21swapper/212:06:442
111391170,0ptp4l0-21swapper/210:08:252
111391170,0ptp4l0-21swapper/110:51:151
111391170,0ptp4l0-21swapper/108:32:391
111391170,0ptp4l0-21swapper/108:20:311
111391160,0ptp4l0-21swapper/508:09:355
111391160,0ptp4l0-21swapper/508:01:495
111391160,0ptp4l0-21swapper/507:15:015
111391160,0ptp4l0-21swapper/507:14:325
111391160,0ptp4l0-21swapper/307:21:523
111391160,0ptp4l0-21swapper/209:13:402
111391160,0ptp4l0-21swapper/107:21:101
111391160,0ptp4l0-21swapper/107:15:261
111391150,0ptp4l0-21swapper/708:59:277
111391150,0ptp4l0-21swapper/708:24:177
111391150,0ptp4l0-21swapper/608:49:416
111391150,0ptp4l0-21swapper/608:49:416
111391150,0ptp4l0-21swapper/607:19:086
111391150,0ptp4l0-21swapper/512:16:135
111391150,0ptp4l0-21swapper/508:50:585
111391150,0ptp4l0-21swapper/507:27:295
111391150,0ptp4l0-21swapper/507:21:495
111391150,0ptp4l0-21swapper/308:59:323
111391150,0ptp4l0-21swapper/209:00:092
111391140,0ptp4l0-21swapper/612:06:446
111391140,0ptp4l0-21swapper/608:25:256
111391140,0ptp4l0-21swapper/308:33:293
111391140,0ptp4l0-21swapper/308:24:163
111391140,0ptp4l0-21swapper/209:26:142
111391140,0ptp4l0-21swapper/208:49:382
111391140,0ptp4l0-21swapper/208:49:372
111391140,0ptp4l0-21swapper/208:35:462
111391140,0ptp4l0-21swapper/208:24:292
111391140,0ptp4l0-21swapper/208:10:232
111391140,0ptp4l0-21swapper/208:08:152
111391140,0ptp4l0-21swapper/207:28:142
111391140,0ptp4l0-21swapper/207:16:332
111391130,0ptp4l0-21swapper/208:25:262
1095299119,1cyclictest0-21swapper/710:35:187
1095299119,1cyclictest0-21swapper/709:29:277
1095299119,0cyclictest0-21swapper/711:16:237
1095299112,0cyclictest0-21swapper/712:04:357
1095299111,9cyclictest0-21swapper/712:09:247
1095299111,0cyclictest0-21swapper/710:43:207
10952991110,0cyclictest0-21swapper/710:50:547
10952991110,0cyclictest0-21swapper/710:48:267
10952991110,0cyclictest0-21swapper/709:32:557
1095299110,10cyclictest0-21swapper/711:14:527
1094499119,1cyclictest7329-21ssh10:47:036
1092399110,10cyclictest0-21swapper/310:15:233
199942100,0sleep20-21swapper/209:35:002
1095299109,0cyclictest0-21swapper/710:31:227
1095299100,9cyclictest0-21swapper/712:31:267
1095299100,9cyclictest0-21swapper/710:20:047
1095299100,9cyclictest0-21swapper/710:16:177
1095299100,9cyclictest0-21swapper/709:50:317
1095299100,8cyclictest110891getstats08:16:097
1095299100,0cyclictest0-21swapper/711:29:227
1094499109,0cyclictest0-21swapper/612:25:186
1094499109,0cyclictest0-21swapper/611:49:366
1094499109,0cyclictest0-21swapper/611:25:536
1094499109,0cyclictest0-21swapper/611:21:576
1094499109,0cyclictest0-21swapper/611:21:576
1094499109,0cyclictest0-21swapper/611:02:276
1094499109,0cyclictest0-21swapper/610:34:586
1094499109,0cyclictest0-21swapper/609:21:066
1094499108,1cyclictest28115-21ssh11:18:026
1094499100,9cyclictest0-21swapper/610:50:596
1094499100,9cyclictest0-21swapper/610:39:026
1094499100,9cyclictest0-21swapper/610:11:426
1094499100,0cyclictest0-21swapper/612:13:396
1092399109,0cyclictest0-21swapper/310:07:513
1092399109,0cyclictest0-21swapper/309:53:043
1092399100,9cyclictest0-21swapper/311:17:383
1092399100,9cyclictest0-21swapper/310:58:173
1091899109,0cyclictest0-21swapper/211:56:112
1091899109,0cyclictest0-21swapper/211:19:062
1091899100,9cyclictest0-21swapper/211:43:382
1091899100,9cyclictest0-21swapper/211:39:312
109529998,0cyclictest0-21swapper/712:35:147
109529998,0cyclictest0-21swapper/711:48:437
109529998,0cyclictest0-21swapper/711:44:467
109529998,0cyclictest0-21swapper/710:58:347
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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