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2026-08-17 - 19:26

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 17, 2026 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2791926443,6sleep20-21swapper/207:07:182
111391610,5ptp4l0-21swapper/007:05:370
104412610,1sleep5561ktimersoftd/508:50:125
111391600,5ptp4l0-21swapper/407:07:274
34252580,0sleep70-21swapper/708:35:007
2801725342,7sleep10-21swapper/107:08:291
2786725333,6sleep60-21swapper/607:06:336
2804324735,7sleep70-21swapper/707:08:517
2800424635,7sleep50-21swapper/507:08:255
2786424635,7sleep30-21swapper/307:06:303
240522400,0sleep70-21swapper/711:34:287
111391340,1ptp4l5943-21grep10:20:204
111391340,0ptp4l0-21swapper/407:15:014
111391340,0ptp4l0-21swapper/407:15:004
111391330,0ptp4l0-21swapper/409:54:204
111391320,0ptp4l0-21swapper/011:15:020
111391300,0ptp4l0-21swapper/410:16:304
111391300,0ptp4l0-21swapper/011:30:190
111391300,0ptp4l0-21swapper/008:10:110
111391290,0ptp4l0-21swapper/108:05:141
111391290,0ptp4l0-21swapper/012:04:260
111391290,0ptp4l0-21swapper/011:05:190
111391290,0ptp4l0-21swapper/009:34:410
111391280,0ptp4l0-21swapper/511:33:135
111391280,0ptp4l0-21swapper/410:28:284
111391280,0ptp4l0-21swapper/410:12:314
111391280,0ptp4l0-21swapper/410:05:254
111391280,0ptp4l0-21swapper/111:36:431
111391280,0ptp4l0-21swapper/012:16:300
111391280,0ptp4l0-21swapper/012:08:200
111391280,0ptp4l0-21swapper/009:56:080
111391280,0ptp4l0-21swapper/009:56:080
111391280,0ptp4l0-21swapper/009:24:210
111391280,0ptp4l0-21swapper/007:57:270
111391270,1ptp4l101ktimersoftd/010:55:110
111391270,0ptp4l0-21swapper/412:37:514
111391270,0ptp4l0-21swapper/412:37:514
111391270,0ptp4l0-21swapper/412:25:144
111391270,0ptp4l0-21swapper/412:11:004
111391270,0ptp4l0-21swapper/411:45:024
111391270,0ptp4l0-21swapper/411:10:344
111391270,0ptp4l0-21swapper/410:38:294
111391270,0ptp4l0-21swapper/410:01:574
111391270,0ptp4l0-21swapper/409:45:154
111391270,0ptp4l0-21swapper/409:37:374
111391270,0ptp4l0-21swapper/409:22:454
111391270,0ptp4l0-21swapper/407:45:154
111391270,0ptp4l0-21swapper/012:11:370
111391270,0ptp4l0-21swapper/010:36:250
111391270,0ptp4l0-21swapper/010:12:510
111391270,0ptp4l0-21swapper/009:51:030
111391270,0ptp4l0-21swapper/009:44:480
111391260,3ptp4l0-21swapper/012:26:330
111391260,2ptp4l0-21swapper/407:10:014
111391260,0ptp4l0-21swapper/509:27:165
111391260,0ptp4l0-21swapper/509:15:195
111391260,0ptp4l0-21swapper/411:29:314
111391260,0ptp4l0-21swapper/411:15:584
111391260,0ptp4l0-21swapper/410:34:404
111391260,0ptp4l0-21swapper/110:27:281
111391260,0ptp4l0-21swapper/109:46:561
111391260,0ptp4l0-21swapper/109:38:191
111391260,0ptp4l0-21swapper/109:10:151
111391260,0ptp4l0-21swapper/012:33:380
111391260,0ptp4l0-21swapper/012:23:510
111391260,0ptp4l0-21swapper/011:48:570
111391260,0ptp4l0-21swapper/011:41:270
111391260,0ptp4l0-21swapper/011:27:030
111391260,0ptp4l0-21swapper/009:07:300
111391250,2ptp4l0-21swapper/011:52:200
111391250,1ptp4l15313-21diskstats10:35:111
111391250,0ptp4l0-21swapper/609:17:516
111391250,0ptp4l0-21swapper/510:35:115
111391250,0ptp4l0-21swapper/510:29:115
111391250,0ptp4l0-21swapper/412:05:134
111391250,0ptp4l0-21swapper/412:04:344
111391250,0ptp4l0-21swapper/411:34:474
111391250,0ptp4l0-21swapper/409:05:114
111391250,0ptp4l0-21swapper/112:35:521
111391250,0ptp4l0-21swapper/112:35:521
111391250,0ptp4l0-21swapper/112:20:371
111391250,0ptp4l0-21swapper/111:05:201
111391250,0ptp4l0-21swapper/109:55:061
111391250,0ptp4l0-21swapper/109:55:061
111391250,0ptp4l0-21swapper/109:15:481
111391250,0ptp4l0-21swapper/010:28:520
111391250,0ptp4l0-21swapper/009:26:380
111391250,0ptp4l0-21swapper/008:40:150
111391250,0ptp4l0-21swapper/008:30:180
111391250,0ptp4l0-21swapper/007:19:200
111391250,0ptp4l0-21swapper/007:19:190
111391240,1ptp4l9940-21switchtime09:40:244
111391240,1ptp4l30265-21fw_forwarded_lo10:10:165
111391240,1ptp4l26216-21users11:35:200
111391240,0ptp4l0-21swapper/711:00:447
111391240,0ptp4l0-21swapper/610:27:546
111391240,0ptp4l0-21swapper/512:21:305
111391240,0ptp4l0-21swapper/512:10:135
111391240,0ptp4l0-21swapper/509:48:405
111391240,0ptp4l0-21swapper/509:36:205
111391240,0ptp4l0-21swapper/509:10:185
111391240,0ptp4l0-21swapper/507:50:165
111391240,0ptp4l0-21swapper/412:15:164
111391240,0ptp4l0-21swapper/411:51:314
111391240,0ptp4l0-21swapper/411:24:504
111391240,0ptp4l0-21swapper/410:40:244
111391240,0ptp4l0-21swapper/409:31:244
111391240,0ptp4l0-21swapper/409:25:174
111391240,0ptp4l0-21swapper/407:20:174
111391240,0ptp4l0-21swapper/407:20:164
111391240,0ptp4l0-21swapper/210:42:562
111391240,0ptp4l0-21swapper/111:57:411
111391240,0ptp4l0-21swapper/110:25:011
111391240,0ptp4l0-21swapper/107:55:171
111391240,0ptp4l0-21swapper/012:40:000
111391240,0ptp4l0-21swapper/012:39:590
111391240,0ptp4l0-21swapper/010:21:480
111391240,0ptp4l0-21swapper/010:07:000
111391240,0ptp4l0-21swapper/010:02:200
111391240,0ptp4l0-21swapper/007:45:010
111391240,0ptp4l0-21swapper/007:30:180
111391230,1ptp4l49-21ksoftirqd/410:55:314
111391230,1ptp4l32541-21/usr/sbin/munin11:00:191
111391230,1ptp4l2843799cyclictest12:32:047
111391230,1ptp4l26635-21awk12:24:324
111391230,1ptp4l23868-21rm11:33:541
111391230,0ptp4l11913-21ssh10:30:140
111391230,0ptp4l0-21swapper/710:42:127
111391230,0ptp4l0-21swapper/511:50:135
111391230,0ptp4l0-21swapper/511:38:375
111391230,0ptp4l0-21swapper/511:05:215
111391230,0ptp4l0-21swapper/510:07:295
111391230,0ptp4l0-21swapper/510:00:215
111391230,0ptp4l0-21swapper/508:25:215
111391230,0ptp4l0-21swapper/507:25:185
111391230,0ptp4l0-21swapper/411:55:144
111391230,0ptp4l0-21swapper/411:40:114
111391230,0ptp4l0-21swapper/411:35:114
111391230,0ptp4l0-21swapper/411:00:174
111391230,0ptp4l0-21swapper/410:50:204
111391230,0ptp4l0-21swapper/410:45:154
111391230,0ptp4l0-21swapper/409:55:174
111391230,0ptp4l0-21swapper/409:55:164
111391230,0ptp4l0-21swapper/408:40:154
111391230,0ptp4l0-21swapper/408:37:224
111391230,0ptp4l0-21swapper/408:25:134
111391230,0ptp4l0-21swapper/408:20:164
111391230,0ptp4l0-21swapper/408:15:144
111391230,0ptp4l0-21swapper/408:10:134
111391230,0ptp4l0-21swapper/408:08:064
111391230,0ptp4l0-21swapper/408:00:184
111391230,0ptp4l0-21swapper/407:35:204
111391230,0ptp4l0-21swapper/407:30:124
111391230,0ptp4l0-21swapper/308:55:173
111391230,0ptp4l0-21swapper/210:56:062
111391230,0ptp4l0-21swapper/112:30:201
111391230,0ptp4l0-21swapper/111:16:081
111391230,0ptp4l0-21swapper/111:13:181
111391230,0ptp4l0-21swapper/110:11:281
111391230,0ptp4l0-21swapper/109:40:121
111391230,0ptp4l0-21swapper/109:29:081
111391230,0ptp4l0-21swapper/109:00:131
111391230,0ptp4l0-21swapper/108:25:201
111391230,0ptp4l0-21swapper/107:35:131
111391230,0ptp4l0-21swapper/107:25:151
111391230,0ptp4l0-21swapper/011:20:190
111391230,0ptp4l0-21swapper/010:50:210
111391230,0ptp4l0-21swapper/010:49:420
111391230,0ptp4l0-21swapper/010:40:140
111391230,0ptp4l0-21swapper/010:15:160
111391230,0ptp4l0-21swapper/009:45:150
111391230,0ptp4l0-21swapper/009:35:210
111391230,0ptp4l0-21swapper/009:20:000
111391230,0ptp4l0-21swapper/008:52:500
111391230,0ptp4l0-21swapper/008:15:160
111391230,0ptp4l0-21swapper/008:00:160
111391230,0ptp4l0-21swapper/007:50:140
111391230,0ptp4l0-21swapper/007:35:190
111391230,0ptp4l0-21swapper/007:10:190
111391220,3ptp4l0-21swapper/008:49:490
111391220,2ptp4l0-21swapper/409:11:184
111391220,0ptp4l25-21ksoftirqd/110:03:581
111391220,0ptp4l0-21swapper/708:55:197
111391220,0ptp4l0-21swapper/611:53:066
111391220,0ptp4l0-21swapper/609:45:506
111391220,0ptp4l0-21swapper/608:35:466
111391220,0ptp4l0-21swapper/512:30:295
111391220,0ptp4l0-21swapper/512:07:115
111391220,0ptp4l0-21swapper/511:55:345
111391220,0ptp4l0-21swapper/511:25:155
111391220,0ptp4l0-21swapper/511:17:215
111391220,0ptp4l0-21swapper/511:10:005
111391220,0ptp4l0-21swapper/511:00:205
111391220,0ptp4l0-21swapper/510:44:425
111391220,0ptp4l0-21swapper/510:31:465
111391220,0ptp4l0-21swapper/510:24:555
111391220,0ptp4l0-21swapper/509:55:015
111391220,0ptp4l0-21swapper/509:55:005
111391220,0ptp4l0-21swapper/509:40:155
111391220,0ptp4l0-21swapper/509:00:165
111391220,0ptp4l0-21swapper/508:45:135
111391220,0ptp4l0-21swapper/508:05:125
111391220,0ptp4l0-21swapper/507:35:135
111391220,0ptp4l0-21swapper/412:30:124
111391220,0ptp4l0-21swapper/411:05:154
111391220,0ptp4l0-21swapper/409:16:574
111391220,0ptp4l0-21swapper/408:58:494
111391220,0ptp4l0-21swapper/408:50:204
111391220,0ptp4l0-21swapper/407:40:144
111391220,0ptp4l0-21swapper/312:08:013
111391220,0ptp4l0-21swapper/311:00:393
111391220,0ptp4l0-21swapper/211:02:172
111391220,0ptp4l0-21swapper/209:48:022
111391220,0ptp4l0-21swapper/112:27:491
111391220,0ptp4l0-21swapper/112:10:131
111391220,0ptp4l0-21swapper/111:50:161
111391220,0ptp4l0-21swapper/111:25:211
111391220,0ptp4l0-21swapper/110:52:581
111391220,0ptp4l0-21swapper/110:47:271
111391220,0ptp4l0-21swapper/110:41:051
111391220,0ptp4l0-21swapper/108:45:131
111391220,0ptp4l0-21swapper/108:35:121
111391220,0ptp4l0-21swapper/108:31:061
111391220,0ptp4l0-21swapper/108:20:121
111391220,0ptp4l0-21swapper/107:50:191
111391220,0ptp4l0-21swapper/107:35:001
111391220,0ptp4l0-21swapper/011:55:170
111391220,0ptp4l0-21swapper/011:14:580
111391220,0ptp4l0-21swapper/011:00:110
111391220,0ptp4l0-21swapper/009:11:230
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/008:27:500
111391220,0ptp4l0-21swapper/008:21:350
111391220,0ptp4l0-21swapper/007:20:100
111391220,0ptp4l0-21swapper/007:20:090
111391210,3ptp4l0-21swapper/107:16:441
111391210,3ptp4l0-21swapper/107:16:441
111391210,2ptp4l0-21swapper/107:11:491
111391210,0ptp4l16530-21ssh11:22:581
111391210,0ptp4l0-21swapper/609:36:376
111391210,0ptp4l0-21swapper/512:25:335
111391210,0ptp4l0-21swapper/512:17:035
111391210,0ptp4l0-21swapper/512:00:015
111391210,0ptp4l0-21swapper/511:22:525
111391210,0ptp4l0-21swapper/510:47:115
111391210,0ptp4l0-21swapper/509:52:075
111391210,0ptp4l0-21swapper/507:55:195
111391210,0ptp4l0-21swapper/507:31:355
111391210,0ptp4l0-21swapper/408:30:114
111391210,0ptp4l0-21swapper/407:59:424
111391210,0ptp4l0-21swapper/312:32:143
111391210,0ptp4l0-21swapper/310:42:173
111391210,0ptp4l0-21swapper/210:25:402
111391210,0ptp4l0-21swapper/112:06:161
111391210,0ptp4l0-21swapper/111:41:241
111391210,0ptp4l0-21swapper/110:31:011
111391210,0ptp4l0-21swapper/110:09:111
111391210,0ptp4l0-21swapper/109:54:581
111391210,0ptp4l0-21swapper/108:03:431
111391210,0ptp4l0-21swapper/107:42:561
111391210,0ptp4l0-21swapper/009:03:410
111391210,0ptp4l0-21swapper/008:55:110
111391210,0ptp4l0-21swapper/007:45:120
111391200,2ptp4l0-21swapper/207:38:482
111391200,1ptp4l0-21swapper/507:49:135
111391200,0ptp4l0-21swapper/609:32:206
111391200,0ptp4l0-21swapper/607:38:386
111391200,0ptp4l0-21swapper/511:40:595
111391200,0ptp4l0-21swapper/510:50:415
111391200,0ptp4l0-21swapper/509:32:035
111391200,0ptp4l0-21swapper/509:21:315
111391200,0ptp4l0-21swapper/508:20:075
111391200,0ptp4l0-21swapper/508:15:385
111391200,0ptp4l0-21swapper/508:12:405
111391200,0ptp4l0-21swapper/409:03:574
111391200,0ptp4l0-21swapper/408:49:384
111391200,0ptp4l0-21swapper/407:28:254
111391200,0ptp4l0-21swapper/212:15:072
111391200,0ptp4l0-21swapper/211:06:112
111391200,0ptp4l0-21swapper/208:41:192
111391200,0ptp4l0-21swapper/112:16:421
111391200,0ptp4l0-21swapper/111:47:191
111391200,0ptp4l0-21swapper/110:56:501
111391200,0ptp4l0-21swapper/108:15:381
111391200,0ptp4l0-21swapper/007:28:150
111391190,0ptp4l0-21swapper/712:08:117
111391190,0ptp4l0-21swapper/711:18:107
111391190,0ptp4l0-21swapper/612:30:366
111391190,0ptp4l0-21swapper/612:15:086
111391190,0ptp4l0-21swapper/611:06:106
111391190,0ptp4l0-21swapper/608:15:066
111391190,0ptp4l0-21swapper/508:59:545
111391190,0ptp4l0-21swapper/407:53:284
111391190,0ptp4l0-21swapper/210:30:062
111391190,0ptp4l0-21swapper/208:35:472
111391190,0ptp4l0-21swapper/112:00:041
111391190,0ptp4l0-21swapper/109:32:111
2843799180,16cyclictest0-21swapper/709:29:457
111391180,0ptp4l0-21swapper/611:02:196
111391180,0ptp4l0-21swapper/610:56:066
111391180,0ptp4l0-21swapper/610:42:576
111391180,0ptp4l0-21swapper/610:30:086
111391180,0ptp4l0-21swapper/512:35:515
111391180,0ptp4l0-21swapper/512:35:515
111391180,0ptp4l0-21swapper/510:56:465
111391180,0ptp4l0-21swapper/311:18:083
111391180,0ptp4l0-21swapper/211:53:042
111391180,0ptp4l0-21swapper/209:36:392
111391180,0ptp4l0-21swapper/209:32:202
111391180,0ptp4l0-21swapper/208:15:052
111391180,0ptp4l0-21swapper/109:21:291
111391180,0ptp4l0-21swapper/108:54:291
111391170,0ptp4l0-21swapper/210:02:382
111391170,0ptp4l0-21swapper/209:17:512
111391170,0ptp4l0-21swapper/110:15:031
111391170,0ptp4l0-21swapper/108:57:541
111391170,0ptp4l0-21swapper/107:49:591
132592160,0sleep70-21swapper/709:45:177
111391160,0ptp4l0-21swapper/611:59:226
111391160,0ptp4l0-21swapper/610:18:406
111391160,0ptp4l0-21swapper/511:47:165
111391160,0ptp4l0-21swapper/508:35:095
111391160,0ptp4l0-21swapper/508:31:405
111391160,0ptp4l0-21swapper/507:11:595
111391160,0ptp4l0-21swapper/212:35:462
111391160,0ptp4l0-21swapper/212:35:462
111391160,0ptp4l0-21swapper/212:30:382
111391160,0ptp4l0-21swapper/109:07:451
111391160,0ptp4l0-21swapper/108:44:271
111391160,0ptp4l0-21swapper/107:22:341
111391160,0ptp4l0-21swapper/107:22:331
111391150,0ptp4l0-21swapper/612:35:456
111391150,0ptp4l0-21swapper/612:35:456
111391150,0ptp4l0-21swapper/608:53:416
111391150,0ptp4l0-21swapper/608:41:166
111391150,0ptp4l0-21swapper/608:21:266
111391150,0ptp4l0-21swapper/608:13:296
111391150,0ptp4l0-21swapper/607:46:256
111391150,0ptp4l0-21swapper/607:17:406
111391150,0ptp4l0-21swapper/607:17:396
111391150,0ptp4l0-21swapper/510:15:025
111391150,0ptp4l0-21swapper/508:44:345
111391150,0ptp4l0-21swapper/508:03:005
111391150,0ptp4l0-21swapper/507:40:325
111391150,0ptp4l0-21swapper/507:21:485
111391150,0ptp4l0-21swapper/507:21:485
111391150,0ptp4l0-21swapper/507:16:105
111391150,0ptp4l0-21swapper/507:16:095
111391150,0ptp4l0-21swapper/208:53:432
111391150,0ptp4l0-21swapper/208:32:392
111391150,0ptp4l0-21swapper/208:21:192
111391150,0ptp4l0-21swapper/208:13:302
111391150,0ptp4l0-21swapper/207:46:242
111391150,0ptp4l0-21swapper/207:17:392
111391150,0ptp4l0-21swapper/207:17:382
111391150,0ptp4l0-21swapper/108:11:351
111391150,0ptp4l0-21swapper/008:05:030
2840999140,13cyclictest0-21swapper/309:55:153
2840999140,13cyclictest0-21swapper/309:55:153
111391140,0ptp4l0-21swapper/608:56:176
111391140,0ptp4l0-21swapper/608:32:396
111391140,0ptp4l0-21swapper/509:07:405
111391140,0ptp4l0-21swapper/211:59:202
111391140,0ptp4l0-21swapper/208:56:162
111391140,0ptp4l0-21swapper/207:21:012
111391140,0ptp4l0-21swapper/207:21:012
2840999130,0cyclictest0-21swapper/309:22:433
2840999129,2cyclictest0-21swapper/312:18:063
2840999128,3cyclictest0-21swapper/312:12:173
2840999126,4cyclictest6703-21turbostat11:10:003
2843799110,10cyclictest0-21swapper/712:22:507
2840999119,1cyclictest0-21swapper/309:50:133
2840999117,0cyclictest0-21swapper/311:35:303
2840999116,1cyclictest0-21swapper/310:16:083
2840999115,1cyclictest32627-21sh10:13:553
2840999115,1cyclictest27320-21open_inodes10:05:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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