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2026-08-03 - 17:07

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 Mon Aug 03, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1675227644,7sleep20-21swapper/207:05:222
111391690,32ptp4l0-21swapper/007:05:140
111391620,5ptp4l0-21swapper/407:07:284
111391610,5ptp4l0-21swapper/507:09:315
111391610,30ptp4l0-21swapper/107:09:301
77402580,1sleep125-21ksoftirqd/109:50:281
1689625332,6sleep60-21swapper/607:07:026
1692424836,7sleep70-21swapper/707:07:277
1676324634,7sleep30-21swapper/307:05:223
111391350,0ptp4l0-21swapper/012:20:200
111391350,0ptp4l0-21swapper/011:39:440
111391350,0ptp4l0-21swapper/009:47:010
111391340,0ptp4l13927-21ssh11:27:580
111391340,0ptp4l0-21swapper/010:50:120
111391330,0ptp4l0-21swapper/309:14:033
111391320,3ptp4l0-21swapper/011:20:100
111391320,0ptp4l0-21swapper/409:59:154
111391320,0ptp4l0-21swapper/312:33:593
111391320,0ptp4l0-21swapper/012:29:130
111391320,0ptp4l0-21swapper/010:12:440
111391320,0ptp4l0-21swapper/008:29:590
17419993027,1cyclictest7245-21turbostat11:20:003
111391300,3ptp4l0-21swapper/612:02:026
111391300,0ptp4l22908-21ssh12:24:474
111391300,0ptp4l0-21swapper/411:24:294
111391300,0ptp4l0-21swapper/010:34:290
111391300,0ptp4l0-21swapper/010:28:380
111391300,0ptp4l0-21swapper/010:20:210
111391300,0ptp4l0-21swapper/010:04:440
111391300,0ptp4l0-21swapper/009:55:010
111391290,0ptp4l0-21swapper/709:38:147
111391290,0ptp4l0-21swapper/412:29:194
111391290,0ptp4l0-21swapper/412:14:584
111391290,0ptp4l0-21swapper/409:30:084
111391290,0ptp4l0-21swapper/311:52:213
111391290,0ptp4l0-21swapper/311:14:043
111391280,0ptp4l0-21swapper/409:41:304
111391280,0ptp4l0-21swapper/409:22:164
111391280,0ptp4l0-21swapper/309:35:203
111391280,0ptp4l0-21swapper/012:06:300
111391280,0ptp4l0-21swapper/012:02:120
111391280,0ptp4l0-21swapper/011:41:590
111391280,0ptp4l0-21swapper/010:47:580
111391280,0ptp4l0-21swapper/009:41:260
111391270,0ptp4l0-21swapper/411:59:154
111391270,0ptp4l0-21swapper/112:32:401
111391270,0ptp4l0-21swapper/010:06:400
111391270,0ptp4l0-21swapper/010:06:390
111391270,0ptp4l0-21swapper/009:33:170
111391270,0ptp4l0-21swapper/007:57:430
111391270,0ptp4l0-21swapper/007:19:390
111391260,1ptp4l31909-21cpuspeed_turbos08:50:110
111391260,0ptp4l0-21swapper/409:01:574
111391260,0ptp4l0-21swapper/012:32:210
111391260,0ptp4l0-21swapper/010:43:000
111391260,0ptp4l0-21swapper/010:17:210
111391260,0ptp4l0-21swapper/009:15:500
111391260,0ptp4l0-21swapper/009:00:130
111391260,0ptp4l0-21swapper/007:44:120
111391260,0ptp4l0-21swapper/007:30:220
111391260,0ptp4l0-21swapper/007:30:210
33862250,0sleep40-21swapper/410:30:124
111391250,2ptp4l0-21swapper/007:11:560
111391250,1ptp4l18231-21diskstats08:20:130
111391250,0ptp4l0-21swapper/712:13:437
111391250,0ptp4l0-21swapper/709:35:007
111391250,0ptp4l0-21swapper/612:16:186
111391250,0ptp4l0-21swapper/607:10:486
111391250,0ptp4l0-21swapper/412:05:104
111391250,0ptp4l0-21swapper/411:39:254
111391250,0ptp4l0-21swapper/411:11:564
111391250,0ptp4l0-21swapper/410:11:504
111391250,0ptp4l0-21swapper/410:04:284
111391250,0ptp4l0-21swapper/408:43:414
111391250,0ptp4l0-21swapper/408:05:174
111391250,0ptp4l0-21swapper/011:54:320
111391250,0ptp4l0-21swapper/011:49:430
111391250,0ptp4l0-21swapper/011:00:140
111391250,0ptp4l0-21swapper/010:35:400
111391250,0ptp4l0-21swapper/009:50:320
111391250,0ptp4l0-21swapper/009:20:480
111391250,0ptp4l0-21swapper/009:12:460
111391250,0ptp4l0-21swapper/008:15:000
111391250,0ptp4l0-21swapper/007:50:190
111391240,3ptp4l321ktimersoftd/212:31:192
111391240,1ptp4l8161-21diskmemload09:15:131
111391240,1ptp4l4508-21/usr/sbin/munin11:15:154
111391240,1ptp4l32374-21munin-run11:09:594
111391240,1ptp4l32074-21timerandwakeup12:35:204
111391240,1ptp4l25605-21ssh11:00:134
111391240,1ptp4l24679-21latency_hist08:35:001
111391240,1ptp4l13789-21if_err_enp0s2508:10:134
111391240,1ptp4l13051-21sh11:25:304
111391240,1ptp4l10274-21hddtemp_smartct09:55:145
111391240,0ptp4l0-21swapper/411:44:304
111391240,0ptp4l0-21swapper/410:42:394
111391240,0ptp4l0-21swapper/410:35:094
111391240,0ptp4l0-21swapper/410:15:124
111391240,0ptp4l0-21swapper/409:25:154
111391240,0ptp4l0-21swapper/407:40:144
111391240,0ptp4l0-21swapper/407:35:164
111391240,0ptp4l0-21swapper/407:20:184
111391240,0ptp4l0-21swapper/112:05:191
111391240,0ptp4l0-21swapper/111:40:041
111391240,0ptp4l0-21swapper/107:45:161
111391240,0ptp4l0-21swapper/012:17:470
111391240,0ptp4l0-21swapper/008:57:520
111391240,0ptp4l0-21swapper/008:39:190
111391240,0ptp4l0-21swapper/008:33:550
111391240,0ptp4l0-21swapper/007:45:140
111391230,1ptp4l32260-21ssh11:52:467
111391230,1ptp4l17894-21ssh12:16:232
111391230,1ptp4l15966-21hostname08:15:140
111391230,0ptp4l0-21swapper/712:30:127
111391230,0ptp4l0-21swapper/710:30:247
111391230,0ptp4l0-21swapper/610:00:196
111391230,0ptp4l0-21swapper/509:51:345
111391230,0ptp4l0-21swapper/412:30:364
111391230,0ptp4l0-21swapper/412:15:214
111391230,0ptp4l0-21swapper/412:00:134
111391230,0ptp4l0-21swapper/411:50:204
111391230,0ptp4l0-21swapper/411:45:214
111391230,0ptp4l0-21swapper/410:45:184
111391230,0ptp4l0-21swapper/410:25:204
111391230,0ptp4l0-21swapper/410:20:154
111391230,0ptp4l0-21swapper/410:05:124
111391230,0ptp4l0-21swapper/410:05:114
111391230,0ptp4l0-21swapper/409:49:104
111391230,0ptp4l0-21swapper/409:18:534
111391230,0ptp4l0-21swapper/409:10:144
111391230,0ptp4l0-21swapper/408:55:214
111391230,0ptp4l0-21swapper/408:50:134
111391230,0ptp4l0-21swapper/408:35:104
111391230,0ptp4l0-21swapper/408:25:144
111391230,0ptp4l0-21swapper/407:45:204
111391230,0ptp4l0-21swapper/309:40:193
111391230,0ptp4l0-21swapper/210:00:122
111391230,0ptp4l0-21swapper/208:52:382
111391230,0ptp4l0-21swapper/208:05:392
111391230,0ptp4l0-21swapper/112:18:111
111391230,0ptp4l0-21swapper/110:57:181
111391230,0ptp4l0-21swapper/108:00:141
111391230,0ptp4l0-21swapper/012:35:160
111391230,0ptp4l0-21swapper/012:12:090
111391230,0ptp4l0-21swapper/011:55:110
111391230,0ptp4l0-21swapper/011:32:570
111391230,0ptp4l0-21swapper/011:15:130
111391230,0ptp4l0-21swapper/011:06:200
111391230,0ptp4l0-21swapper/009:39:560
111391230,0ptp4l0-21swapper/009:05:140
111391230,0ptp4l0-21swapper/008:45:230
111391230,0ptp4l0-21swapper/008:40:200
111391230,0ptp4l0-21swapper/008:05:160
111391230,0ptp4l0-21swapper/007:35:400
111391220,0ptp4l0-21swapper/711:13:517
111391220,0ptp4l0-21swapper/711:04:357
111391220,0ptp4l0-21swapper/710:43:327
111391220,0ptp4l0-21swapper/710:25:017
111391220,0ptp4l0-21swapper/709:13:497
111391220,0ptp4l0-21swapper/708:40:507
111391220,0ptp4l0-21swapper/612:37:126
111391220,0ptp4l0-21swapper/611:33:546
111391220,0ptp4l0-21swapper/611:27:516
111391220,0ptp4l0-21swapper/611:20:046
111391220,0ptp4l0-21swapper/611:12:266
111391220,0ptp4l0-21swapper/610:59:086
111391220,0ptp4l0-21swapper/610:05:386
111391220,0ptp4l0-21swapper/610:05:386
111391220,0ptp4l0-21swapper/607:40:096
111391220,0ptp4l0-21swapper/607:25:146
111391220,0ptp4l0-21swapper/512:32:025
111391220,0ptp4l0-21swapper/512:18:575
111391220,0ptp4l0-21swapper/512:14:455
111391220,0ptp4l0-21swapper/512:05:195
111391220,0ptp4l0-21swapper/512:04:505
111391220,0ptp4l0-21swapper/511:50:515
111391220,0ptp4l0-21swapper/511:37:205
111391220,0ptp4l0-21swapper/511:30:595
111391220,0ptp4l0-21swapper/511:20:475
111391220,0ptp4l0-21swapper/511:15:135
111391220,0ptp4l0-21swapper/511:06:325
111391220,0ptp4l0-21swapper/511:04:505
111391220,0ptp4l0-21swapper/510:59:035
111391220,0ptp4l0-21swapper/510:48:125
111391220,0ptp4l0-21swapper/510:37:385
111391220,0ptp4l0-21swapper/510:10:145
111391220,0ptp4l0-21swapper/510:09:585
111391220,0ptp4l0-21swapper/510:09:575
111391220,0ptp4l0-21swapper/509:45:145
111391220,0ptp4l0-21swapper/509:34:295
111391220,0ptp4l0-21swapper/509:15:165
111391220,0ptp4l0-21swapper/509:10:435
111391220,0ptp4l0-21swapper/508:04:545
111391220,0ptp4l0-21swapper/507:50:195
111391220,0ptp4l0-21swapper/411:32:194
111391220,0ptp4l0-21swapper/410:55:144
111391220,0ptp4l0-21swapper/410:50:134
111391220,0ptp4l0-21swapper/409:50:164
111391220,0ptp4l0-21swapper/409:39:304
111391220,0ptp4l0-21swapper/408:45:184
111391220,0ptp4l0-21swapper/408:31:494
111391220,0ptp4l0-21swapper/408:20:154
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/407:30:014
111391220,0ptp4l0-21swapper/407:30:014
111391220,0ptp4l0-21swapper/407:15:164
111391220,0ptp4l0-21swapper/310:53:023
111391220,0ptp4l0-21swapper/212:26:322
111391220,0ptp4l0-21swapper/209:10:212
111391220,0ptp4l0-21swapper/207:40:092
111391220,0ptp4l0-21swapper/207:25:142
111391220,0ptp4l0-21swapper/112:35:131
111391220,0ptp4l0-21swapper/112:24:061
111391220,0ptp4l0-21swapper/112:14:461
111391220,0ptp4l0-21swapper/111:56:521
111391220,0ptp4l0-21swapper/111:47:271
111391220,0ptp4l0-21swapper/111:37:441
111391220,0ptp4l0-21swapper/111:24:061
111391220,0ptp4l0-21swapper/111:15:141
111391220,0ptp4l0-21swapper/110:48:361
111391220,0ptp4l0-21swapper/110:13:161
111391220,0ptp4l0-21swapper/110:09:581
111391220,0ptp4l0-21swapper/110:09:571
111391220,0ptp4l0-21swapper/109:55:151
111391220,0ptp4l0-21swapper/109:49:231
111391220,0ptp4l0-21swapper/107:50:161
111391220,0ptp4l0-21swapper/011:10:170
111391220,0ptp4l0-21swapper/010:56:170
111391220,0ptp4l0-21swapper/009:25:140
111391220,0ptp4l0-21swapper/007:20:140
111391210,1ptp4l31611-21ls07:40:012
111391210,0ptp4l41-21ksoftirqd/312:13:393
111391210,0ptp4l0-21swapper/712:30:007
111391210,0ptp4l0-21swapper/710:52:547
111391210,0ptp4l0-21swapper/710:17:187
111391210,0ptp4l0-21swapper/709:40:207
111391210,0ptp4l0-21swapper/709:17:237
111391210,0ptp4l0-21swapper/611:55:106
111391210,0ptp4l0-21swapper/611:42:326
111391210,0ptp4l0-21swapper/609:50:586
111391210,0ptp4l0-21swapper/512:26:485
111391210,0ptp4l0-21swapper/512:21:085
111391210,0ptp4l0-21swapper/511:56:485
111391210,0ptp4l0-21swapper/511:40:055
111391210,0ptp4l0-21swapper/511:27:295
111391210,0ptp4l0-21swapper/510:51:575
111391210,0ptp4l0-21swapper/510:30:575
111391210,0ptp4l0-21swapper/509:43:425
111391210,0ptp4l0-21swapper/509:27:575
111391210,0ptp4l0-21swapper/509:20:085
111391210,0ptp4l0-21swapper/508:49:555
111391210,0ptp4l0-21swapper/409:05:144
111391210,0ptp4l0-21swapper/408:00:594
111391210,0ptp4l0-21swapper/407:51:554
111391210,0ptp4l0-21swapper/407:27:554
111391210,0ptp4l0-21swapper/407:10:184
111391210,0ptp4l0-21swapper/312:29:433
111391210,0ptp4l0-21swapper/310:30:313
111391210,0ptp4l0-21swapper/309:17:303
111391210,0ptp4l0-21swapper/212:00:002
111391210,0ptp4l0-21swapper/211:47:472
111391210,0ptp4l0-21swapper/211:42:342
111391210,0ptp4l0-21swapper/211:02:542
111391210,0ptp4l0-21swapper/210:52:312
111391210,0ptp4l0-21swapper/209:51:032
111391210,0ptp4l0-21swapper/209:44:242
111391210,0ptp4l0-21swapper/209:20:462
111391210,0ptp4l0-21swapper/209:17:202
111391210,0ptp4l0-21swapper/208:00:162
111391210,0ptp4l0-21swapper/112:26:061
111391210,0ptp4l0-21swapper/112:03:341
111391210,0ptp4l0-21swapper/111:31:551
111391210,0ptp4l0-21swapper/111:27:331
111391210,0ptp4l0-21swapper/110:31:041
111391210,0ptp4l0-21swapper/110:22:281
111391210,0ptp4l0-21swapper/110:18:461
111391210,0ptp4l0-21swapper/109:20:301
111391210,0ptp4l0-21swapper/109:10:431
111391210,0ptp4l0-21swapper/107:40:551
111391210,0ptp4l0-21swapper/107:10:221
111391210,0ptp4l0-21swapper/007:25:010
111391200,1ptp4l7627-21ssh11:20:032
111391200,0ptp4l0-21swapper/711:21:227
111391200,0ptp4l0-21swapper/710:24:577
111391200,0ptp4l0-21swapper/611:48:576
111391200,0ptp4l0-21swapper/609:10:226
111391200,0ptp4l0-21swapper/512:37:035
111391200,0ptp4l0-21swapper/510:28:305
111391200,0ptp4l0-21swapper/510:22:225
111391200,0ptp4l0-21swapper/510:15:575
111391200,0ptp4l0-21swapper/310:41:403
111391200,0ptp4l0-21swapper/310:37:303
111391200,0ptp4l0-21swapper/310:24:573
111391200,0ptp4l0-21swapper/211:27:472
111391200,0ptp4l0-21swapper/211:12:322
111391200,0ptp4l0-21swapper/210:56:462
111391200,0ptp4l0-21swapper/210:17:012
111391200,0ptp4l0-21swapper/208:34:302
111391200,0ptp4l0-21swapper/111:53:361
111391200,0ptp4l0-21swapper/111:01:321
111391200,0ptp4l0-21swapper/110:36:271
111391200,0ptp4l0-21swapper/110:28:281
111391200,0ptp4l0-21swapper/109:43:451
111391200,0ptp4l0-21swapper/109:31:201
111391200,0ptp4l0-21swapper/109:26:241
111391200,0ptp4l0-21swapper/107:35:211
111391200,0ptp4l0-21swapper/008:00:220
111391190,0ptp4l0-21swapper/711:33:377
111391190,0ptp4l0-21swapper/610:13:456
111391190,0ptp4l0-21swapper/608:27:546
111391190,0ptp4l0-21swapper/608:00:166
111391190,0ptp4l0-21swapper/510:04:165
111391190,0ptp4l0-21swapper/508:54:575
111391190,0ptp4l0-21swapper/309:34:523
111391190,0ptp4l0-21swapper/211:06:052
111391190,0ptp4l0-21swapper/210:05:532
111391190,0ptp4l0-21swapper/210:05:532
111391190,0ptp4l0-21swapper/111:05:401
111391190,0ptp4l0-21swapper/110:54:511
111391190,0ptp4l0-21swapper/110:04:141
111391190,0ptp4l0-21swapper/108:44:551
111391190,0ptp4l0-21swapper/108:07:561
111391190,0ptp4l0-21swapper/107:18:541
111391180,0ptp4l0-21swapper/611:02:556
111391180,0ptp4l0-21swapper/610:52:336
111391180,0ptp4l0-21swapper/610:17:066
111391180,0ptp4l0-21swapper/609:44:186
111391180,0ptp4l0-21swapper/609:20:456
111391180,0ptp4l0-21swapper/511:47:265
111391180,0ptp4l0-21swapper/310:25:013
111391180,0ptp4l0-21swapper/310:17:163
111391180,0ptp4l0-21swapper/212:37:082
111391180,0ptp4l0-21swapper/209:47:202
111391180,0ptp4l0-21swapper/109:02:581
111391180,0ptp4l0-21swapper/108:19:431
111391170,2ptp4l0-21swapper/107:20:511
111391170,0ptp4l0-21swapper/710:37:277
111391170,0ptp4l0-21swapper/612:26:326
111391170,0ptp4l0-21swapper/611:06:076
111391170,0ptp4l0-21swapper/609:25:286
111391170,0ptp4l0-21swapper/511:12:515
111391170,0ptp4l0-21swapper/211:19:582
111391170,0ptp4l0-21swapper/209:25:242
111391160,0ptp4l41-21ksoftirqd/311:04:353
111391160,0ptp4l0-21swapper/612:31:226
111391160,0ptp4l0-21swapper/609:47:236
111391160,0ptp4l0-21swapper/608:13:206
111391160,0ptp4l0-21swapper/508:43:435
111391160,0ptp4l0-21swapper/508:35:375
111391160,0ptp4l0-21swapper/508:32:075
111391160,0ptp4l0-21swapper/508:21:445
111391160,0ptp4l0-21swapper/508:19:075
111391160,0ptp4l0-21swapper/508:08:045
111391160,0ptp4l0-21swapper/507:20:525
111391160,0ptp4l0-21swapper/308:41:343
111391160,0ptp4l0-21swapper/211:33:482
111391160,0ptp4l0-21swapper/111:12:481
111391160,0ptp4l0-21swapper/110:42:471
111391160,0ptp4l0-21swapper/108:52:021
111391160,0ptp4l0-21swapper/108:49:541
111391160,0ptp4l0-21swapper/108:37:101
111391160,0ptp4l0-21swapper/108:25:591
111391160,0ptp4l0-21swapper/108:14:071
111391160,0ptp4l0-21swapper/107:31:161
111391160,0ptp4l0-21swapper/107:31:151
111391150,1ptp4l73-21ksoftirqd/708:04:027
111391150,0ptp4l0-21swapper/609:02:386
111391150,0ptp4l0-21swapper/608:34:336
111391150,0ptp4l0-21swapper/608:23:506
111391150,0ptp4l0-21swapper/608:06:396
111391150,0ptp4l0-21swapper/607:54:126
111391150,0ptp4l0-21swapper/607:49:026
111391150,0ptp4l0-21swapper/607:36:306
111391150,0ptp4l0-21swapper/607:23:126
111391150,0ptp4l0-21swapper/607:16:286
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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