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2026-09-12 - 16:53

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 Sep 12, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391610,30ptp4l0-21swapper/107:06:381
2932026039,16sleep70-21swapper/707:09:257
2905126039,6sleep20-21swapper/207:05:502
111391600,5ptp4l0-21swapper/407:06:084
111391600,3ptp4l0-21swapper/007:05:130
92742560,0sleep60-21swapper/611:11:216
111391550,3ptp4l0-21swapper/507:09:375
2902624735,7sleep30-21swapper/307:05:353
2746824635,7sleep60-21swapper/607:05:066
219932460,0sleep50-21swapper/512:17:375
111391330,0ptp4l0-21swapper/709:50:167
111391330,0ptp4l0-21swapper/411:23:154
111391320,0ptp4l0-21swapper/507:20:015
111391320,0ptp4l0-21swapper/507:20:005
111391320,0ptp4l0-21swapper/008:30:140
111391310,3ptp4l0-21swapper/411:50:414
111391310,3ptp4l0-21swapper/409:45:204
111391310,0ptp4l0-21swapper/510:53:545
111391300,0ptp4l27118-21ssh09:18:276
111391300,0ptp4l0-21swapper/611:08:226
111391300,0ptp4l0-21swapper/511:40:205
111391300,0ptp4l0-21swapper/509:39:015
111391300,0ptp4l0-21swapper/008:40:190
111391290,0ptp4l0-21swapper/711:24:407
111391290,0ptp4l0-21swapper/612:19:256
111391290,0ptp4l0-21swapper/512:05:045
111391290,0ptp4l0-21swapper/411:43:404
111391290,0ptp4l0-21swapper/411:01:554
111391290,0ptp4l0-21swapper/409:55:454
111391290,0ptp4l0-21swapper/409:55:444
111391290,0ptp4l0-21swapper/111:39:211
111391290,0ptp4l0-21swapper/011:19:550
111391290,0ptp4l0-21swapper/011:10:160
111391290,0ptp4l0-21swapper/010:52:100
111391290,0ptp4l0-21swapper/010:00:150
111391290,0ptp4l0-21swapper/009:45:140
111391280,2ptp4l0-21swapper/409:53:054
111391280,0ptp4l0-21swapper/711:26:107
111391280,0ptp4l0-21swapper/009:23:580
111391280,0ptp4l0-21swapper/009:10:520
111391270,0ptp4l0-21swapper/512:32:005
111391270,0ptp4l0-21swapper/512:32:005
111391270,0ptp4l0-21swapper/510:28:225
111391270,0ptp4l0-21swapper/409:35:204
111391270,0ptp4l0-21swapper/409:32:354
111391270,0ptp4l0-21swapper/407:36:254
111391270,0ptp4l0-21swapper/407:25:174
111391270,0ptp4l0-21swapper/309:12:253
111391270,0ptp4l0-21swapper/111:00:531
111391270,0ptp4l0-21swapper/110:30:211
111391270,0ptp4l0-21swapper/012:35:250
111391270,0ptp4l0-21swapper/012:17:320
111391270,0ptp4l0-21swapper/012:04:200
111391270,0ptp4l0-21swapper/010:22:040
111391270,0ptp4l0-21swapper/010:18:020
111391270,0ptp4l0-21swapper/010:06:000
111391260,3ptp4l0-21swapper/312:06:503
111391260,0ptp4l0-21swapper/608:05:206
111391260,0ptp4l0-21swapper/511:30:005
111391260,0ptp4l0-21swapper/412:02:314
111391260,0ptp4l0-21swapper/411:58:324
111391260,0ptp4l0-21swapper/411:48:044
111391260,0ptp4l0-21swapper/410:52:084
111391260,0ptp4l0-21swapper/410:10:324
111391260,0ptp4l0-21swapper/408:35:234
111391260,0ptp4l0-21swapper/011:47:390
111391260,0ptp4l0-21swapper/007:14:250
111391250,3ptp4l0-21swapper/610:05:176
111391250,3ptp4l0-21swapper/410:39:594
111391250,3ptp4l0-21swapper/409:23:054
111391250,0ptp4l0-21swapper/509:44:135
111391250,0ptp4l0-21swapper/412:38:594
111391250,0ptp4l0-21swapper/412:12:004
111391250,0ptp4l0-21swapper/412:08:234
111391250,0ptp4l0-21swapper/411:09:214
111391250,0ptp4l0-21swapper/410:24:184
111391250,0ptp4l0-21swapper/409:10:164
111391250,0ptp4l0-21swapper/407:20:204
111391250,0ptp4l0-21swapper/311:46:433
111391250,0ptp4l0-21swapper/311:12:163
111391250,0ptp4l0-21swapper/209:52:462
111391250,0ptp4l0-21swapper/010:45:140
111391250,0ptp4l0-21swapper/009:57:430
111391250,0ptp4l0-21swapper/009:57:420
111391250,0ptp4l0-21swapper/009:17:030
111391240,1ptp4l2686-21/usr/sbin/munin07:20:190
111391240,1ptp4l19114-21unixbench_multi11:25:223
111391240,0ptp4l0-21swapper/712:30:147
111391240,0ptp4l0-21swapper/712:30:137
111391240,0ptp4l0-21swapper/711:12:137
111391240,0ptp4l0-21swapper/709:13:197
111391240,0ptp4l0-21swapper/707:20:147
111391240,0ptp4l0-21swapper/612:26:116
111391240,0ptp4l0-21swapper/511:45:455
111391240,0ptp4l0-21swapper/511:39:585
111391240,0ptp4l0-21swapper/511:17:275
111391240,0ptp4l0-21swapper/412:26:064
111391240,0ptp4l0-21swapper/412:19:594
111391240,0ptp4l0-21swapper/410:58:564
111391240,0ptp4l0-21swapper/410:41:564
111391240,0ptp4l0-21swapper/410:15:154
111391240,0ptp4l0-21swapper/409:18:384
111391240,0ptp4l0-21swapper/408:50:214
111391240,0ptp4l0-21swapper/307:45:103
111391240,0ptp4l0-21swapper/307:40:203
111391240,0ptp4l0-21swapper/210:54:332
111391240,0ptp4l0-21swapper/112:20:581
111391240,0ptp4l0-21swapper/112:05:161
111391240,0ptp4l0-21swapper/110:53:351
111391240,0ptp4l0-21swapper/110:15:111
111391240,0ptp4l0-21swapper/110:04:461
111391240,0ptp4l0-21swapper/107:50:171
111391240,0ptp4l0-21swapper/012:23:480
111391240,0ptp4l0-21swapper/011:59:210
111391240,0ptp4l0-21swapper/011:30:400
111391240,0ptp4l0-21swapper/011:26:360
111391240,0ptp4l0-21swapper/011:20:170
111391240,0ptp4l0-21swapper/010:57:500
111391240,0ptp4l0-21swapper/010:35:210
111391240,0ptp4l0-21swapper/010:12:300
111391240,0ptp4l0-21swapper/009:26:030
111391240,0ptp4l0-21swapper/008:47:150
111391240,0ptp4l0-21swapper/008:20:000
111391240,0ptp4l0-21swapper/008:00:220
111391240,0ptp4l0-21swapper/007:28:070
111391230,1ptp4l9052-21interrupts10:25:161
111391230,1ptp4l8483-21sendmail_mailst11:10:194
111391230,1ptp4l33-21ksoftirqd/211:54:552
111391230,1ptp4l23825-21irqrtprio08:05:152
111391230,1ptp4l1784-21cat11:00:220
111391230,0ptp4l49-21ksoftirqd/408:10:154
111391230,0ptp4l0-21swapper/709:15:147
111391230,0ptp4l0-21swapper/707:44:147
111391230,0ptp4l0-21swapper/610:20:136
111391230,0ptp4l0-21swapper/511:30:165
111391230,0ptp4l0-21swapper/510:45:595
111391230,0ptp4l0-21swapper/510:34:145
111391230,0ptp4l0-21swapper/509:16:155
111391230,0ptp4l0-21swapper/508:31:525
111391230,0ptp4l0-21swapper/507:35:005
111391230,0ptp4l0-21swapper/412:20:064
111391230,0ptp4l0-21swapper/411:33:404
111391230,0ptp4l0-21swapper/409:10:014
111391230,0ptp4l0-21swapper/408:25:184
111391230,0ptp4l0-21swapper/408:19:594
111391230,0ptp4l0-21swapper/408:07:004
111391230,0ptp4l0-21swapper/407:57:324
111391230,0ptp4l0-21swapper/312:30:453
111391230,0ptp4l0-21swapper/312:30:453
111391230,0ptp4l0-21swapper/311:50:113
111391230,0ptp4l0-21swapper/210:05:132
111391230,0ptp4l0-21swapper/208:27:402
111391230,0ptp4l0-21swapper/111:40:221
111391230,0ptp4l0-21swapper/110:37:251
111391230,0ptp4l0-21swapper/109:40:171
111391230,0ptp4l0-21swapper/109:35:151
111391230,0ptp4l0-21swapper/109:16:071
111391230,0ptp4l0-21swapper/109:05:201
111391230,0ptp4l0-21swapper/108:45:001
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:10:151
111391230,0ptp4l0-21swapper/012:05:000
111391230,0ptp4l0-21swapper/011:52:430
111391230,0ptp4l0-21swapper/011:43:210
111391230,0ptp4l0-21swapper/011:38:480
111391230,0ptp4l0-21swapper/011:05:130
111391230,0ptp4l0-21swapper/010:31:310
111391230,0ptp4l0-21swapper/008:55:160
111391220,1ptp4l20408-21diskmemload11:18:093
111391220,1ptp4l13538-21ssh11:19:187
111391220,0ptp4l28094-21expr08:15:115
111391220,0ptp4l20408-21diskmemload10:06:525
111391220,0ptp4l16261-21latency_hist07:50:011
111391220,0ptp4l0-21swapper/712:24:147
111391220,0ptp4l0-21swapper/712:06:427
111391220,0ptp4l0-21swapper/711:50:097
111391220,0ptp4l0-21swapper/711:46:127
111391220,0ptp4l0-21swapper/711:41:397
111391220,0ptp4l0-21swapper/709:49:547
111391220,0ptp4l0-21swapper/708:25:557
111391220,0ptp4l0-21swapper/707:45:107
111391220,0ptp4l0-21swapper/707:40:007
111391220,0ptp4l0-21swapper/611:20:206
111391220,0ptp4l0-21swapper/611:16:316
111391220,0ptp4l0-21swapper/609:50:206
111391220,0ptp4l0-21swapper/512:35:145
111391220,0ptp4l0-21swapper/512:27:005
111391220,0ptp4l0-21swapper/512:21:005
111391220,0ptp4l0-21swapper/512:10:185
111391220,0ptp4l0-21swapper/511:02:255
111391220,0ptp4l0-21swapper/510:55:235
111391220,0ptp4l0-21swapper/510:24:375
111391220,0ptp4l0-21swapper/510:15:135
111391220,0ptp4l0-21swapper/509:47:115
111391220,0ptp4l0-21swapper/508:40:005
111391220,0ptp4l0-21swapper/508:20:145
111391220,0ptp4l0-21swapper/508:00:135
111391220,0ptp4l0-21swapper/507:35:165
111391220,0ptp4l0-21swapper/507:10:185
111391220,0ptp4l0-21swapper/412:32:444
111391220,0ptp4l0-21swapper/412:32:434
111391220,0ptp4l0-21swapper/411:15:174
111391220,0ptp4l0-21swapper/410:34:284
111391220,0ptp4l0-21swapper/410:26:574
111391220,0ptp4l0-21swapper/410:06:024
111391220,0ptp4l0-21swapper/410:00:244
111391220,0ptp4l0-21swapper/409:40:474
111391220,0ptp4l0-21swapper/409:25:174
111391220,0ptp4l0-21swapper/409:00:174
111391220,0ptp4l0-21swapper/408:55:174
111391220,0ptp4l0-21swapper/408:40:154
111391220,0ptp4l0-21swapper/408:00:214
111391220,0ptp4l0-21swapper/407:10:204
111391220,0ptp4l0-21swapper/312:29:543
111391220,0ptp4l0-21swapper/311:56:143
111391220,0ptp4l0-21swapper/311:41:373
111391220,0ptp4l0-21swapper/309:50:153
111391220,0ptp4l0-21swapper/309:49:383
111391220,0ptp4l0-21swapper/309:15:133
111391220,0ptp4l0-21swapper/308:41:573
111391220,0ptp4l0-21swapper/307:20:133
111391220,0ptp4l0-21swapper/212:05:212
111391220,0ptp4l0-21swapper/211:36:322
111391220,0ptp4l0-21swapper/211:20:192
111391220,0ptp4l0-21swapper/211:05:142
111391220,0ptp4l0-21swapper/210:20:132
111391220,0ptp4l0-21swapper/112:34:381
111391220,0ptp4l0-21swapper/112:34:381
111391220,0ptp4l0-21swapper/112:27:161
111391220,0ptp4l0-21swapper/112:10:131
111391220,0ptp4l0-21swapper/112:00:211
111391220,0ptp4l0-21swapper/111:57:301
111391220,0ptp4l0-21swapper/111:30:151
111391220,0ptp4l0-21swapper/110:55:441
111391220,0ptp4l0-21swapper/110:45:181
111391220,0ptp4l0-21swapper/110:12:041
111391220,0ptp4l0-21swapper/109:54:451
111391220,0ptp4l0-21swapper/109:48:581
111391220,0ptp4l0-21swapper/109:34:571
111391220,0ptp4l0-21swapper/109:29:311
111391220,0ptp4l0-21swapper/108:20:151
111391220,0ptp4l0-21swapper/107:35:181
111391220,0ptp4l0-21swapper/107:30:171
111391220,0ptp4l0-21swapper/012:32:480
111391220,0ptp4l0-21swapper/012:32:470
111391220,0ptp4l0-21swapper/012:25:150
111391220,0ptp4l0-21swapper/012:10:060
111391220,0ptp4l0-21swapper/010:41:350
111391220,0ptp4l0-21swapper/010:27:200
111391220,0ptp4l0-21swapper/009:50:260
111391220,0ptp4l0-21swapper/009:42:230
111391220,0ptp4l0-21swapper/009:35:010
111391220,0ptp4l0-21swapper/009:30:180
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:50:190
111391220,0ptp4l0-21swapper/008:25:140
111391220,0ptp4l0-21swapper/008:05:120
111391220,0ptp4l0-21swapper/007:55:110
111391220,0ptp4l0-21swapper/007:35:130
111391210,1ptp4l0-21swapper/511:51:585
111391210,0ptp4l20408-21diskmemload10:12:476
111391210,0ptp4l0-21swapper/712:29:487
111391210,0ptp4l0-21swapper/711:56:197
111391210,0ptp4l0-21swapper/709:22:437
111391210,0ptp4l0-21swapper/612:05:206
111391210,0ptp4l0-21swapper/611:36:416
111391210,0ptp4l0-21swapper/610:26:176
111391210,0ptp4l0-21swapper/609:36:226
111391210,0ptp4l0-21swapper/511:57:215
111391210,0ptp4l0-21swapper/511:21:495
111391210,0ptp4l0-21swapper/510:43:105
111391210,0ptp4l0-21swapper/510:37:035
111391210,0ptp4l0-21swapper/510:14:525
111391210,0ptp4l0-21swapper/510:04:465
111391210,0ptp4l0-21swapper/509:55:045
111391210,0ptp4l0-21swapper/509:55:035
111391210,0ptp4l0-21swapper/509:28:245
111391210,0ptp4l0-21swapper/507:50:185
111391210,0ptp4l0-21swapper/411:36:054
111391210,0ptp4l0-21swapper/411:26:244
111391210,0ptp4l0-21swapper/410:45:134
111391210,0ptp4l0-21swapper/408:45:124
111391210,0ptp4l0-21swapper/407:31:354
111391210,0ptp4l0-21swapper/407:15:204
111391210,0ptp4l0-21swapper/407:15:204
111391210,0ptp4l0-21swapper/312:24:413
111391210,0ptp4l0-21swapper/311:24:343
111391210,0ptp4l0-21swapper/310:42:273
111391210,0ptp4l0-21swapper/309:22:383
111391210,0ptp4l0-21swapper/308:30:013
111391210,0ptp4l0-21swapper/210:16:332
111391210,0ptp4l0-21swapper/210:12:472
111391210,0ptp4l0-21swapper/209:58:322
111391210,0ptp4l0-21swapper/209:58:312
111391210,0ptp4l0-21swapper/209:36:172
111391210,0ptp4l0-21swapper/209:18:302
111391210,0ptp4l0-21swapper/208:10:372
111391210,0ptp4l0-21swapper/112:35:161
111391210,0ptp4l0-21swapper/112:15:411
111391210,0ptp4l0-21swapper/111:51:251
111391210,0ptp4l0-21swapper/111:29:491
111391210,0ptp4l0-21swapper/111:17:531
111391210,0ptp4l0-21swapper/111:05:101
111391210,0ptp4l0-21swapper/110:43:101
111391210,0ptp4l0-21swapper/110:09:111
111391210,0ptp4l0-21swapper/109:56:231
111391210,0ptp4l0-21swapper/109:56:221
111391210,0ptp4l0-21swapper/109:22:221
111391210,0ptp4l0-21swapper/008:35:170
111391210,0ptp4l0-21swapper/008:10:200
111391210,0ptp4l0-21swapper/007:34:240
111391210,0ptp4l0-21swapper/007:15:160
111391210,0ptp4l0-21swapper/007:15:150
111391200,3ptp4l0-21swapper/208:37:572
111391200,2ptp4l0-21swapper/508:41:015
111391200,0ptp4l0-21swapper/708:30:017
111391200,0ptp4l0-21swapper/707:12:247
111391200,0ptp4l0-21swapper/611:04:496
111391200,0ptp4l0-21swapper/610:16:316
111391200,0ptp4l0-21swapper/609:27:476
111391200,0ptp4l0-21swapper/509:50:525
111391200,0ptp4l0-21swapper/509:34:495
111391200,0ptp4l0-21swapper/508:50:335
111391200,0ptp4l0-21swapper/508:08:365
111391200,0ptp4l0-21swapper/408:30:194
111391200,0ptp4l0-21swapper/212:35:462
111391200,0ptp4l0-21swapper/211:04:512
111391200,0ptp4l0-21swapper/209:27:442
111391200,0ptp4l0-21swapper/208:15:362
111391200,0ptp4l0-21swapper/111:45:061
111391200,0ptp4l0-21swapper/111:21:441
111391200,0ptp4l0-21swapper/110:20:441
111391200,0ptp4l0-21swapper/108:31:361
111391200,0ptp4l0-21swapper/107:27:361
111391200,0ptp4l0-21swapper/107:17:251
111391200,0ptp4l0-21swapper/107:17:241
111391200,0ptp4l0-21swapper/009:09:250
111391200,0ptp4l0-21swapper/008:20:000
111391200,0ptp4l0-21swapper/007:53:250
111391190,1ptp4l25502-21ssh10:01:412
111391190,0ptp4l25507-21ssh10:01:426
111391190,0ptp4l0-21swapper/610:55:296
111391190,0ptp4l0-21swapper/609:58:286
111391190,0ptp4l0-21swapper/609:58:286
111391190,0ptp4l0-21swapper/607:36:356
111391190,0ptp4l0-21swapper/509:24:195
111391190,0ptp4l0-21swapper/407:54:554
111391190,0ptp4l0-21swapper/308:58:373
111391190,0ptp4l0-21swapper/308:28:233
111391190,0ptp4l0-21swapper/212:26:132
111391190,0ptp4l0-21swapper/212:24:592
111391190,0ptp4l0-21swapper/212:18:052
111391190,0ptp4l0-21swapper/211:16:332
111391190,0ptp4l0-21swapper/211:14:472
111391190,0ptp4l0-21swapper/209:20:022
111391190,0ptp4l0-21swapper/007:43:250
111391180,0ptp4l0-21swapper/710:42:247
111391180,0ptp4l0-21swapper/709:41:597
111391180,0ptp4l0-21swapper/610:54:286
111391180,0ptp4l0-21swapper/609:32:116
111391180,0ptp4l0-21swapper/512:01:385
111391180,0ptp4l0-21swapper/511:07:285
111391180,0ptp4l0-21swapper/507:57:425
111391180,0ptp4l0-21swapper/407:48:504
111391180,0ptp4l0-21swapper/108:50:371
111391180,0ptp4l0-21swapper/108:19:541
111391180,0ptp4l0-21swapper/007:49:520
111391170,2ptp4l0-21swapper/107:58:051
111391170,0ptp4l0-21swapper/707:59:247
111391170,0ptp4l0-21swapper/612:35:386
111391170,0ptp4l0-21swapper/611:54:566
111391170,0ptp4l0-21swapper/610:33:456
111391170,0ptp4l0-21swapper/210:33:432
111391170,0ptp4l0-21swapper/210:26:162
111391170,0ptp4l0-21swapper/209:32:102
111391170,0ptp4l0-21swapper/108:56:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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