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2026-06-28 - 20:53

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 Sun Jun 28, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242612980,0sleep50-21swapper/512:19:145
218902940,0sleep30-21swapper/308:10:163
1881916542,7phc2sys0-21swapper/707:06:537
111391610,5ptp4l0-21swapper/107:07:351
111391590,5ptp4l0-21swapper/507:09:065
111391590,28ptp4l0-21swapper/007:09:420
111391580,5ptp4l0-21swapper/407:05:314
2498124838,6sleep20-21swapper/207:07:522
2490324636,6sleep60-21swapper/607:06:516
2487124635,7sleep30-21swapper/307:06:243
111391330,0ptp4l0-21swapper/011:57:570
111391330,0ptp4l0-21swapper/010:55:220
111391330,0ptp4l0-21swapper/009:42:010
111391330,0ptp4l0-21swapper/009:31:430
111391320,0ptp4l0-21swapper/412:11:254
111391320,0ptp4l0-21swapper/009:50:240
111391320,0ptp4l0-21swapper/008:30:000
111391310,0ptp4l0-21swapper/709:34:017
111391310,0ptp4l0-21swapper/310:49:493
111391310,0ptp4l0-21swapper/009:59:180
111391300,2ptp4l0-21swapper/012:21:070
111391300,0ptp4l0-21swapper/412:30:364
111391300,0ptp4l0-21swapper/410:31:204
111391300,0ptp4l0-21swapper/410:25:204
111391300,0ptp4l0-21swapper/410:20:214
111391300,0ptp4l0-21swapper/311:12:483
111391300,0ptp4l0-21swapper/309:33:363
111391300,0ptp4l0-21swapper/110:03:121
111391300,0ptp4l0-21swapper/110:03:111
111391300,0ptp4l0-21swapper/012:09:470
111391300,0ptp4l0-21swapper/012:00:180
111391300,0ptp4l0-21swapper/011:42:340
111391300,0ptp4l0-21swapper/011:37:150
111391290,2ptp4l21926-21unixbench_multi09:15:200
111391290,0ptp4l0-21swapper/411:51:194
111391290,0ptp4l0-21swapper/411:21:104
111391290,0ptp4l0-21swapper/409:27:434
111391290,0ptp4l0-21swapper/309:21:433
111391290,0ptp4l0-21swapper/012:39:190
111391290,0ptp4l0-21swapper/012:30:370
111391290,0ptp4l0-21swapper/011:33:430
111391290,0ptp4l0-21swapper/011:08:430
111391290,0ptp4l0-21swapper/010:10:520
111391280,0ptp4l0-21swapper/011:45:220
111391280,0ptp4l0-21swapper/010:36:430
111391280,0ptp4l0-21swapper/010:21:000
111391280,0ptp4l0-21swapper/010:06:240
111391280,0ptp4l0-21swapper/010:04:000
111391280,0ptp4l0-21swapper/010:03:590
111391280,0ptp4l0-21swapper/009:27:580
111391270,3ptp4l0-21swapper/709:20:057
111391270,0ptp4l0-21swapper/611:04:356
111391270,0ptp4l0-21swapper/411:26:474
111391270,0ptp4l0-21swapper/410:38:464
111391270,0ptp4l0-21swapper/012:25:520
111391270,0ptp4l0-21swapper/011:22:070
111391260,2ptp4l0-21swapper/309:18:583
111391260,1ptp4l28450-21cut10:10:104
111391260,0ptp4l0-21swapper/412:19:264
111391260,0ptp4l0-21swapper/412:06:344
111391260,0ptp4l0-21swapper/412:04:194
111391260,0ptp4l0-21swapper/411:42:094
111391260,0ptp4l0-21swapper/411:33:314
111391260,0ptp4l0-21swapper/411:00:264
111391260,0ptp4l0-21swapper/408:40:144
111391260,0ptp4l0-21swapper/407:10:164
111391260,0ptp4l0-21swapper/012:13:420
111391260,0ptp4l0-21swapper/011:51:270
111391260,0ptp4l0-21swapper/011:26:410
111391260,0ptp4l0-21swapper/011:14:540
111391260,0ptp4l0-21swapper/010:49:060
111391260,0ptp4l0-21swapper/010:29:350
111391260,0ptp4l0-21swapper/010:16:290
111391260,0ptp4l0-21swapper/009:49:140
111391260,0ptp4l0-21swapper/009:10:190
111391260,0ptp4l0-21swapper/007:15:150
111391250,1ptp4l2546099cyclictest12:17:207
111391250,1ptp4l0-21swapper/011:16:450
111391250,0ptp4l0-21swapper/710:43:007
111391250,0ptp4l0-21swapper/411:37:244
111391250,0ptp4l0-21swapper/410:57:464
111391250,0ptp4l0-21swapper/410:15:124
111391250,0ptp4l0-21swapper/408:50:114
111391250,0ptp4l0-21swapper/408:05:174
111391250,0ptp4l0-21swapper/310:54:003
111391250,0ptp4l0-21swapper/011:00:590
111391250,0ptp4l0-21swapper/009:39:340
111391250,0ptp4l0-21swapper/009:22:390
111391250,0ptp4l0-21swapper/008:50:280
111391250,0ptp4l0-21swapper/008:40:040
111391250,0ptp4l0-21swapper/008:17:130
111391250,0ptp4l0-21swapper/008:14:520
111391250,0ptp4l0-21swapper/007:50:190
111391250,0ptp4l0-21swapper/007:25:150
111391240,1ptp4l4036-21irqstats12:35:164
111391240,1ptp4l3893-21irqstats11:05:164
111391240,1ptp4l27838-21latency_hist10:10:014
111391240,1ptp4l26274-21irqstats07:10:170
111391240,1ptp4l20801-21cat10:00:014
111391240,1ptp4l20411-21/usr/sbin/munin09:15:184
111391240,1ptp4l15145-21irqstats07:55:160
111391240,0ptp4l0-21swapper/709:17:517
111391240,0ptp4l0-21swapper/511:10:215
111391240,0ptp4l0-21swapper/411:45:134
111391240,0ptp4l0-21swapper/411:15:114
111391240,0ptp4l0-21swapper/411:11:544
111391240,0ptp4l0-21swapper/410:40:134
111391240,0ptp4l0-21swapper/409:50:064
111391240,0ptp4l0-21swapper/409:30:164
111391240,0ptp4l0-21swapper/409:05:164
111391240,0ptp4l0-21swapper/111:10:181
111391240,0ptp4l0-21swapper/010:51:460
111391240,0ptp4l0-21swapper/008:02:420
111391240,0ptp4l0-21swapper/007:45:570
111391230,1ptp4l12483-21df_inode07:50:124
111391230,0ptp4l0-21swapper/711:20:127
111391230,0ptp4l0-21swapper/710:50:157
111391230,0ptp4l0-21swapper/709:00:217
111391230,0ptp4l0-21swapper/612:10:166
111391230,0ptp4l0-21swapper/412:27:134
111391230,0ptp4l0-21swapper/412:21:434
111391230,0ptp4l0-21swapper/411:55:544
111391230,0ptp4l0-21swapper/410:52:144
111391230,0ptp4l0-21swapper/410:47:104
111391230,0ptp4l0-21swapper/410:02:394
111391230,0ptp4l0-21swapper/410:02:394
111391230,0ptp4l0-21swapper/409:45:024
111391230,0ptp4l0-21swapper/409:40:104
111391230,0ptp4l0-21swapper/409:38:144
111391230,0ptp4l0-21swapper/409:10:184
111391230,0ptp4l0-21swapper/409:02:044
111391230,0ptp4l0-21swapper/408:35:224
111391230,0ptp4l0-21swapper/408:10:124
111391230,0ptp4l0-21swapper/407:55:134
111391230,0ptp4l0-21swapper/310:42:203
111391230,0ptp4l0-21swapper/308:43:433
111391230,0ptp4l0-21swapper/212:40:002
111391230,0ptp4l0-21swapper/212:10:162
111391230,0ptp4l0-21swapper/211:51:512
111391230,0ptp4l0-21swapper/211:00:142
111391230,0ptp4l0-21swapper/208:30:162
111391230,0ptp4l0-21swapper/112:25:141
111391230,0ptp4l0-21swapper/112:08:331
111391230,0ptp4l0-21swapper/111:45:481
111391230,0ptp4l0-21swapper/110:30:171
111391230,0ptp4l0-21swapper/109:05:121
111391230,0ptp4l0-21swapper/012:15:160
111391230,0ptp4l0-21swapper/010:40:160
111391230,0ptp4l0-21swapper/010:30:150
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/009:04:420
111391230,0ptp4l0-21swapper/008:55:180
111391230,0ptp4l0-21swapper/008:50:000
111391230,0ptp4l0-21swapper/008:25:000
111391230,0ptp4l0-21swapper/008:05:140
48442220,1sleep14848-21unixbench_multi11:50:181
111391220,1ptp4l28268-21ksmtuned08:25:044
111391220,1ptp4l1068-21runrttasks11:45:495
111391220,0ptp4l0-21swapper/711:50:127
111391220,0ptp4l0-21swapper/711:49:347
111391220,0ptp4l0-21swapper/711:19:077
111391220,0ptp4l0-21swapper/711:12:137
111391220,0ptp4l0-21swapper/710:45:067
111391220,0ptp4l0-21swapper/709:50:117
111391220,0ptp4l0-21swapper/709:44:097
111391220,0ptp4l0-21swapper/708:45:187
111391220,0ptp4l0-21swapper/707:40:137
111391220,0ptp4l0-21swapper/612:17:406
111391220,0ptp4l0-21swapper/611:20:166
111391220,0ptp4l0-21swapper/611:07:426
111391220,0ptp4l0-21swapper/608:20:196
111391220,0ptp4l0-21swapper/512:25:185
111391220,0ptp4l0-21swapper/512:04:345
111391220,0ptp4l0-21swapper/511:37:355
111391220,0ptp4l0-21swapper/511:32:255
111391220,0ptp4l0-21swapper/511:00:125
111391220,0ptp4l0-21swapper/510:51:445
111391220,0ptp4l0-21swapper/510:37:355
111391220,0ptp4l0-21swapper/510:30:185
111391220,0ptp4l0-21swapper/509:15:175
111391220,0ptp4l0-21swapper/409:20:534
111391220,0ptp4l0-21swapper/408:55:194
111391220,0ptp4l0-21swapper/408:20:124
111391220,0ptp4l0-21swapper/408:15:144
111391220,0ptp4l0-21swapper/408:00:024
111391220,0ptp4l0-21swapper/407:45:114
111391220,0ptp4l0-21swapper/407:35:204
111391220,0ptp4l0-21swapper/407:30:134
111391220,0ptp4l0-21swapper/407:20:204
111391220,0ptp4l0-21swapper/407:20:194
111391220,0ptp4l0-21swapper/407:15:014
111391220,0ptp4l0-21swapper/312:17:223
111391220,0ptp4l0-21swapper/311:50:123
111391220,0ptp4l0-21swapper/311:50:003
111391220,0ptp4l0-21swapper/310:31:343
111391220,0ptp4l0-21swapper/309:50:133
111391220,0ptp4l0-21swapper/309:48:273
111391220,0ptp4l0-21swapper/309:43:463
111391220,0ptp4l0-21swapper/309:00:123
111391220,0ptp4l0-21swapper/308:45:143
111391220,0ptp4l0-21swapper/307:40:173
111391220,0ptp4l0-21swapper/211:20:162
111391220,0ptp4l0-21swapper/211:08:152
111391220,0ptp4l0-21swapper/112:18:451
111391220,0ptp4l0-21swapper/112:00:171
111391220,0ptp4l0-21swapper/111:40:011
111391220,0ptp4l0-21swapper/111:32:241
111391220,0ptp4l0-21swapper/111:06:071
111391220,0ptp4l0-21swapper/111:00:121
111391220,0ptp4l0-21swapper/110:59:351
111391220,0ptp4l0-21swapper/110:54:461
111391220,0ptp4l0-21swapper/110:35:291
111391220,0ptp4l0-21swapper/110:13:291
111391220,0ptp4l0-21swapper/109:57:371
111391220,0ptp4l0-21swapper/109:42:241
111391220,0ptp4l0-21swapper/109:32:201
111391220,0ptp4l0-21swapper/109:25:211
111391220,0ptp4l0-21swapper/108:35:241
111391220,0ptp4l0-21swapper/008:35:210
111391220,0ptp4l0-21swapper/008:25:130
111391220,0ptp4l0-21swapper/007:44:580
111391220,0ptp4l0-21swapper/007:36:120
111391220,0ptp4l0-21swapper/007:30:140
111391210,0ptp4l0-21swapper/712:05:477
111391210,0ptp4l0-21swapper/710:26:017
111391210,0ptp4l0-21swapper/709:48:297
111391210,0ptp4l0-21swapper/707:45:187
111391210,0ptp4l0-21swapper/612:28:446
111391210,0ptp4l0-21swapper/611:51:456
111391210,0ptp4l0-21swapper/512:08:045
111391210,0ptp4l0-21swapper/511:17:065
111391210,0ptp4l0-21swapper/511:08:415
111391210,0ptp4l0-21swapper/408:30:204
111391210,0ptp4l0-21swapper/407:25:164
111391210,0ptp4l0-21swapper/311:42:223
111391210,0ptp4l0-21swapper/311:20:393
111391210,0ptp4l0-21swapper/311:19:063
111391210,0ptp4l0-21swapper/212:17:372
111391210,0ptp4l0-21swapper/211:14:002
111391210,0ptp4l0-21swapper/209:33:152
111391210,0ptp4l0-21swapper/112:37:401
111391210,0ptp4l0-21swapper/112:24:111
111391210,0ptp4l0-21swapper/111:35:381
111391210,0ptp4l0-21swapper/110:45:241
111391210,0ptp4l0-21swapper/110:29:151
111391210,0ptp4l0-21swapper/110:22:341
111391210,0ptp4l0-21swapper/110:07:581
111391210,0ptp4l0-21swapper/109:50:411
111391210,0ptp4l0-21swapper/109:45:421
111391210,0ptp4l0-21swapper/109:20:571
111391210,0ptp4l0-21swapper/007:20:160
111391210,0ptp4l0-21swapper/007:20:150
111391200,0ptp4l0-21swapper/710:31:477
111391200,0ptp4l0-21swapper/611:14:006
111391200,0ptp4l0-21swapper/511:52:285
111391200,0ptp4l0-21swapper/510:57:235
111391200,0ptp4l0-21swapper/510:09:195
111391200,0ptp4l0-21swapper/510:01:345
111391200,0ptp4l0-21swapper/510:01:335
111391200,0ptp4l0-21swapper/408:49:254
111391200,0ptp4l0-21swapper/312:05:483
111391200,0ptp4l0-21swapper/212:28:442
111391200,0ptp4l0-21swapper/211:59:522
111391200,0ptp4l0-21swapper/211:49:172
111391200,0ptp4l0-21swapper/210:02:152
111391200,0ptp4l0-21swapper/210:02:142
111391200,0ptp4l0-21swapper/111:23:211
111391200,0ptp4l0-21swapper/110:18:511
111391200,0ptp4l0-21swapper/109:39:451
111391200,0ptp4l0-21swapper/108:43:251
25454991914,4cyclictest9869-21munin-run10:30:016
111391190,1ptp4l23265-21ssh10:02:156
111391190,1ptp4l23265-21ssh10:02:146
111391190,1ptp4l0-21swapper/207:54:242
111391190,0ptp4l0-21swapper/708:44:057
111391190,0ptp4l0-21swapper/611:55:196
111391190,0ptp4l0-21swapper/611:49:206
111391190,0ptp4l0-21swapper/610:57:546
111391190,0ptp4l0-21swapper/610:32:216
111391190,0ptp4l0-21swapper/609:33:126
111391190,0ptp4l0-21swapper/407:44:554
111391190,0ptp4l0-21swapper/312:02:253
111391190,0ptp4l0-21swapper/211:27:152
111391190,0ptp4l0-21swapper/210:54:092
111391190,0ptp4l0-21swapper/111:15:061
111391190,0ptp4l0-21swapper/109:15:161
111391190,0ptp4l0-21swapper/108:16:051
111391180,0ptp4l0-21swapper/712:02:237
111391180,0ptp4l0-21swapper/510:47:375
111391180,0ptp4l0-21swapper/509:50:405
111391180,0ptp4l0-21swapper/310:26:003
111391180,0ptp4l0-21swapper/308:36:263
111391180,0ptp4l0-21swapper/307:17:583
111391180,0ptp4l0-21swapper/211:37:002
111391170,2ptp4l0-21swapper/108:50:501
111391170,2ptp4l0-21swapper/108:00:471
111391170,2ptp4l0-21swapper/107:10:241
111391170,0ptp4l0-21swapper/611:37:026
111391170,0ptp4l0-21swapper/512:10:595
111391170,0ptp4l0-21swapper/510:17:415
111391170,0ptp4l0-21swapper/509:43:465
111391170,0ptp4l0-21swapper/509:26:185
111391170,0ptp4l0-21swapper/210:57:542
111391170,0ptp4l0-21swapper/210:24:582
111391170,0ptp4l0-21swapper/112:30:411
111391170,0ptp4l0-21swapper/111:25:441
111391170,0ptp4l0-21swapper/109:13:411
111391170,0ptp4l0-21swapper/108:10:441
111391170,0ptp4l0-21swapper/108:05:381
111391160,1ptp4l57-21ksoftirqd/508:54:195
111391160,0ptp4l0-21swapper/510:26:335
111391160,0ptp4l0-21swapper/510:10:165
111391160,0ptp4l0-21swapper/509:34:155
111391160,0ptp4l0-21swapper/509:21:245
111391160,0ptp4l0-21swapper/508:06:425
111391160,0ptp4l0-21swapper/311:33:173
111391160,0ptp4l0-21swapper/307:45:263
111391160,0ptp4l0-21swapper/208:38:362
111391160,0ptp4l0-21swapper/112:10:591
111391160,0ptp4l0-21swapper/111:57:081
111391160,0ptp4l0-21swapper/108:47:211
111391160,0ptp4l0-21swapper/108:27:461
111391160,0ptp4l0-21swapper/107:36:141
111391160,0ptp4l0-21swapper/107:25:501
111391160,0ptp4l0-21swapper/107:23:431
111391160,0ptp4l0-21swapper/107:23:431
111391160,0ptp4l0-21swapper/107:15:261
25454991513,1cyclictest0-21swapper/607:10:216
25431991513,1cyclictest0-21swapper/309:05:193
111391150,0ptp4l0-21swapper/711:42:237
111391150,0ptp4l0-21swapper/709:09:397
111391150,0ptp4l0-21swapper/708:36:297
111391150,0ptp4l0-21swapper/708:33:047
111391150,0ptp4l0-21swapper/708:22:537
111391150,0ptp4l0-21swapper/707:39:527
111391150,0ptp4l0-21swapper/707:17:597
111391150,0ptp4l0-21swapper/610:24:546
111391150,0ptp4l0-21swapper/609:36:366
111391150,0ptp4l0-21swapper/608:38:346
111391150,0ptp4l0-21swapper/608:07:036
111391150,0ptp4l0-21swapper/607:54:256
111391150,0ptp4l0-21swapper/607:43:136
111391150,0ptp4l0-21swapper/607:31:556
111391150,0ptp4l0-21swapper/607:29:466
111391150,0ptp4l0-21swapper/607:21:476
111391150,0ptp4l0-21swapper/607:21:466
111391150,0ptp4l0-21swapper/512:30:415
111391150,0ptp4l0-21swapper/509:06:425
111391150,0ptp4l0-21swapper/508:46:455
111391150,0ptp4l0-21swapper/508:20:315
111391150,0ptp4l0-21swapper/508:16:015
111391150,0ptp4l0-21swapper/507:46:125
111391150,0ptp4l0-21swapper/507:38:285
111391150,0ptp4l0-21swapper/507:23:455
111391150,0ptp4l0-21swapper/507:23:445
111391150,0ptp4l0-21swapper/507:10:265
111391150,0ptp4l0-21swapper/308:33:093
111391150,0ptp4l0-21swapper/308:22:473
111391150,0ptp4l0-21swapper/307:39:523
111391150,0ptp4l0-21swapper/210:32:222
111391150,0ptp4l0-21swapper/209:36:362
111391150,0ptp4l0-21swapper/208:07:022
111391150,0ptp4l0-21swapper/207:43:142
111391150,0ptp4l0-21swapper/207:31:512
111391150,0ptp4l0-21swapper/207:21:422
111391150,0ptp4l0-21swapper/207:21:412
111391150,0ptp4l0-21swapper/207:18:312
111391150,0ptp4l0-21swapper/207:11:542
111391150,0ptp4l0-21swapper/109:03:091
111391150,0ptp4l0-21swapper/108:31:111
111391150,0ptp4l0-21swapper/108:20:301
111391150,0ptp4l0-21swapper/107:57:351
111391150,0ptp4l0-21swapper/107:50:361
111391150,0ptp4l0-21swapper/107:46:341
111391150,0ptp4l0-21swapper/107:44:261
111391150,0ptp4l0-21swapper/107:30:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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