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2026-07-23 - 19:37

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 Thu Jul 23, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391790,29ptp4l0-21swapper/007:09:490
111391630,5ptp4l0-21swapper/107:08:481
1071825949,6sleep20-21swapper/207:05:462
1084925848,6sleep40-21swapper/407:07:334
222672570,0sleep10-21swapper/112:30:091
111391570,5ptp4l0-21swapper/507:07:185
1099825140,6sleep70-21swapper/707:09:297
1082225039,7sleep60-21swapper/607:07:116
1085724837,7sleep30-21swapper/307:07:403
111391470,1ptp4l481ktimersoftd/409:56:224
111391470,1ptp4l481ktimersoftd/409:56:214
111391360,0ptp4l0-21swapper/412:12:034
111391350,0ptp4l0-21swapper/411:35:194
111391330,0ptp4l0-21swapper/412:15:164
111391330,0ptp4l0-21swapper/410:14:044
111391320,0ptp4l0-21swapper/411:10:114
111391310,2ptp4l0-21swapper/410:19:054
111391310,0ptp4l0-21swapper/411:53:024
111391310,0ptp4l0-21swapper/411:41:214
111391310,0ptp4l0-21swapper/411:24:124
111391310,0ptp4l0-21swapper/411:18:294
111391310,0ptp4l0-21swapper/410:56:464
111391310,0ptp4l0-21swapper/410:20:124
111391310,0ptp4l0-21swapper/410:02:334
111391310,0ptp4l0-21swapper/311:05:493
111391310,0ptp4l0-21swapper/309:19:393
111391300,0ptp4l0-21swapper/510:05:475
111391300,0ptp4l0-21swapper/412:01:474
111391300,0ptp4l0-21swapper/411:45:164
111391300,0ptp4l0-21swapper/411:30:134
111391300,0ptp4l0-21swapper/411:03:234
111391300,0ptp4l0-21swapper/410:25:394
111391300,0ptp4l0-21swapper/309:28:493
111391300,0ptp4l0-21swapper/010:00:130
111391290,3ptp4l0-21swapper/011:50:130
111391290,1ptp4l2046-21diskmemload11:04:330
111391290,0ptp4l0-21swapper/709:13:197
111391290,0ptp4l0-21swapper/512:26:405
111391290,0ptp4l0-21swapper/412:06:104
111391290,0ptp4l0-21swapper/411:57:104
111391290,0ptp4l0-21swapper/410:51:504
111391290,0ptp4l0-21swapper/410:41:334
111391290,0ptp4l0-21swapper/408:30:194
111391290,0ptp4l0-21swapper/011:26:040
111391290,0ptp4l0-21swapper/011:20:120
111391280,1ptp4l32125-21latency_hist09:05:004
111391280,0ptp4l2046-21diskmemload09:46:150
111391280,0ptp4l0-21swapper/709:19:387
111391280,0ptp4l0-21swapper/412:27:574
111391280,0ptp4l0-21swapper/411:27:284
111391280,0ptp4l0-21swapper/409:46:284
111391280,0ptp4l0-21swapper/409:27:594
111391280,0ptp4l0-21swapper/407:55:144
111391270,0ptp4l2046-21diskmemload11:32:511
111391270,0ptp4l2046-21diskmemload09:21:441
111391270,0ptp4l0-21swapper/712:22:347
111391270,0ptp4l0-21swapper/412:35:424
111391270,0ptp4l0-21swapper/412:35:414
111391270,0ptp4l0-21swapper/312:23:373
111391270,0ptp4l0-21swapper/310:34:113
111391270,0ptp4l0-21swapper/110:22:521
111391260,1ptp4l0-21swapper/109:30:131
111391260,0ptp4l0-21swapper/711:05:027
111391260,0ptp4l0-21swapper/512:17:215
111391260,0ptp4l0-21swapper/512:05:175
111391260,0ptp4l0-21swapper/408:25:194
111391260,0ptp4l0-21swapper/009:30:530
111391250,0ptp4l11848-21date08:20:000
111391250,0ptp4l0-21swapper/512:30:275
111391250,0ptp4l0-21swapper/412:24:124
111391250,0ptp4l0-21swapper/410:33:394
111391250,0ptp4l0-21swapper/408:50:174
111391250,0ptp4l0-21swapper/407:16:454
111391250,0ptp4l0-21swapper/407:16:454
111391250,0ptp4l0-21swapper/112:25:191
111391250,0ptp4l0-21swapper/012:00:150
111391250,0ptp4l0-21swapper/011:08:210
111391250,0ptp4l0-21swapper/009:50:190
111391250,0ptp4l0-21swapper/009:45:000
111391250,0ptp4l0-21swapper/008:50:150
111391240,1ptp4l6041-21cut08:05:193
111391240,1ptp4l32705-21latency_hist07:55:015
111391240,1ptp4l22460-21cat07:30:184
111391240,1ptp4l19341-21df10:15:125
111391240,1ptp4l18669-21fw_conntrack12:25:120
111391240,1ptp4l13788-21turbostat08:24:590
111391240,1ptp4l12625-21sensors_temp10:05:170
111391240,1ptp4l12561-21ps07:10:175
111391240,1ptp4l1-21systemd09:10:000
111391240,0ptp4l2046-21diskmemload11:06:464
111391240,0ptp4l0-21swapper/710:34:167
111391240,0ptp4l0-21swapper/511:35:015
111391240,0ptp4l0-21swapper/510:45:145
111391240,0ptp4l0-21swapper/509:28:135
111391240,0ptp4l0-21swapper/509:15:405
111391240,0ptp4l0-21swapper/410:35:194
111391240,0ptp4l0-21swapper/409:44:214
111391240,0ptp4l0-21swapper/409:20:114
111391240,0ptp4l0-21swapper/407:20:194
111391240,0ptp4l0-21swapper/112:18:111
111391240,0ptp4l0-21swapper/109:58:401
111391240,0ptp4l0-21swapper/109:58:391
111391240,0ptp4l0-21swapper/109:52:471
111391240,0ptp4l0-21swapper/109:05:201
111391240,0ptp4l0-21swapper/012:35:150
111391240,0ptp4l0-21swapper/012:35:140
111391240,0ptp4l0-21swapper/011:31:160
111391240,0ptp4l0-21swapper/010:32:200
111391240,0ptp4l0-21swapper/010:22:130
111391240,0ptp4l0-21swapper/010:10:170
111391240,0ptp4l0-21swapper/009:25:140
111391240,0ptp4l0-21swapper/007:25:170
111391240,0ptp4l0-21swapper/007:15:000
111391230,1ptp4l4546-21ssh09:11:275
111391230,1ptp4l3563-21ps09:10:184
111391230,1ptp4l24831-21unixbench_singl08:45:184
111391230,1ptp4l2046-21diskmemload10:19:270
111391230,1ptp4l13092-21find08:20:184
111391230,0ptp4l30555-21cpuspeed_turbos07:50:114
111391230,0ptp4l0-21swapper/712:10:147
111391230,0ptp4l0-21swapper/707:56:427
111391230,0ptp4l0-21swapper/707:35:007
111391230,0ptp4l0-21swapper/512:35:205
111391230,0ptp4l0-21swapper/512:35:205
111391230,0ptp4l0-21swapper/511:41:495
111391230,0ptp4l0-21swapper/509:55:185
111391230,0ptp4l0-21swapper/509:55:185
111391230,0ptp4l0-21swapper/508:09:045
111391230,0ptp4l0-21swapper/412:30:124
111391230,0ptp4l0-21swapper/410:08:444
111391230,0ptp4l0-21swapper/409:50:154
111391230,0ptp4l0-21swapper/409:31:364
111391230,0ptp4l0-21swapper/409:20:004
111391230,0ptp4l0-21swapper/409:05:164
111391230,0ptp4l0-21swapper/408:00:164
111391230,0ptp4l0-21swapper/407:45:144
111391230,0ptp4l0-21swapper/312:15:003
111391230,0ptp4l0-21swapper/309:14:593
111391230,0ptp4l0-21swapper/112:35:101
111391230,0ptp4l0-21swapper/112:35:091
111391230,0ptp4l0-21swapper/111:18:581
111391230,0ptp4l0-21swapper/111:12:251
111391230,0ptp4l0-21swapper/110:46:311
111391230,0ptp4l0-21swapper/110:10:331
111391230,0ptp4l0-21swapper/110:05:381
111391230,0ptp4l0-21swapper/110:04:021
111391230,0ptp4l0-21swapper/109:00:201
111391230,0ptp4l0-21swapper/107:55:001
111391230,0ptp4l0-21swapper/107:45:011
111391230,0ptp4l0-21swapper/012:30:090
111391230,0ptp4l0-21swapper/012:20:120
111391230,0ptp4l0-21swapper/012:11:580
111391230,0ptp4l0-21swapper/010:50:150
111391230,0ptp4l0-21swapper/010:45:150
111391230,0ptp4l0-21swapper/010:40:130
111391230,0ptp4l0-21swapper/010:25:000
111391230,0ptp4l0-21swapper/009:35:120
111391230,0ptp4l0-21swapper/009:20:110
111391230,0ptp4l0-21swapper/008:40:100
111391230,0ptp4l0-21swapper/007:55:180
111391230,0ptp4l0-21swapper/007:45:220
111391230,0ptp4l0-21swapper/007:35:190
111391230,0ptp4l0-21swapper/007:30:130
111391230,0ptp4l0-21swapper/007:20:200
1135099220,21cyclictest561ktimersoftd/510:22:315
111391220,1ptp4l0-21swapper/308:04:503
111391220,0ptp4l0-21swapper/712:09:507
111391220,0ptp4l0-21swapper/711:30:397
111391220,0ptp4l0-21swapper/709:28:407
111391220,0ptp4l0-21swapper/708:05:187
111391220,0ptp4l0-21swapper/707:35:117
111391220,0ptp4l0-21swapper/512:21:045
111391220,0ptp4l0-21swapper/512:03:165
111391220,0ptp4l0-21swapper/511:58:005
111391220,0ptp4l0-21swapper/511:45:065
111391220,0ptp4l0-21swapper/511:21:205
111391220,0ptp4l0-21swapper/511:18:105
111391220,0ptp4l0-21swapper/510:58:195
111391220,0ptp4l0-21swapper/510:51:265
111391220,0ptp4l0-21swapper/510:40:165
111391220,0ptp4l0-21swapper/510:35:135
111391220,0ptp4l0-21swapper/510:30:185
111391220,0ptp4l0-21swapper/510:11:165
111391220,0ptp4l0-21swapper/510:04:465
111391220,0ptp4l0-21swapper/509:52:285
111391220,0ptp4l0-21swapper/509:46:145
111391220,0ptp4l0-21swapper/509:36:545
111391220,0ptp4l0-21swapper/509:30:155
111391220,0ptp4l0-21swapper/509:21:465
111391220,0ptp4l0-21swapper/509:05:135
111391220,0ptp4l0-21swapper/508:48:345
111391220,0ptp4l0-21swapper/508:04:465
111391220,0ptp4l0-21swapper/507:57:365
111391220,0ptp4l0-21swapper/410:45:164
111391220,0ptp4l0-21swapper/409:35:104
111391220,0ptp4l0-21swapper/408:55:164
111391220,0ptp4l0-21swapper/408:40:124
111391220,0ptp4l0-21swapper/408:35:164
111391220,0ptp4l0-21swapper/408:15:164
111391220,0ptp4l0-21swapper/408:10:114
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:35:174
111391220,0ptp4l0-21swapper/407:25:114
111391220,0ptp4l0-21swapper/407:10:134
111391220,0ptp4l0-21swapper/312:15:033
111391220,0ptp4l0-21swapper/312:09:513
111391220,0ptp4l0-21swapper/311:03:343
111391220,0ptp4l0-21swapper/307:40:163
111391220,0ptp4l0-21swapper/307:35:153
111391220,0ptp4l0-21swapper/211:43:482
111391220,0ptp4l0-21swapper/210:36:292
111391220,0ptp4l0-21swapper/111:55:101
111391220,0ptp4l0-21swapper/111:45:191
111391220,0ptp4l0-21swapper/111:40:181
111391220,0ptp4l0-21swapper/111:37:491
111391220,0ptp4l0-21swapper/111:25:131
111391220,0ptp4l0-21swapper/111:23:181
111391220,0ptp4l0-21swapper/111:00:121
111391220,0ptp4l0-21swapper/110:52:281
111391220,0ptp4l0-21swapper/110:40:161
111391220,0ptp4l0-21swapper/110:35:021
111391220,0ptp4l0-21swapper/110:30:191
111391220,0ptp4l0-21swapper/110:15:141
111391220,0ptp4l0-21swapper/109:43:351
111391220,0ptp4l0-21swapper/109:35:181
111391220,0ptp4l0-21swapper/109:15:201
111391220,0ptp4l0-21swapper/108:10:151
111391220,0ptp4l0-21swapper/107:35:221
111391220,0ptp4l0-21swapper/107:10:171
111391220,0ptp4l0-21swapper/012:15:190
111391220,0ptp4l0-21swapper/012:05:130
111391220,0ptp4l0-21swapper/011:55:150
111391220,0ptp4l0-21swapper/011:45:130
111391220,0ptp4l0-21swapper/011:40:120
111391220,0ptp4l0-21swapper/011:35:130
111391220,0ptp4l0-21swapper/011:15:180
111391220,0ptp4l0-21swapper/011:14:590
111391220,0ptp4l0-21swapper/010:55:110
111391220,0ptp4l0-21swapper/010:35:180
111391220,0ptp4l0-21swapper/009:16:480
111391220,0ptp4l0-21swapper/009:10:200
111391220,0ptp4l0-21swapper/009:00:160
111391220,0ptp4l0-21swapper/008:55:180
111391220,0ptp4l0-21swapper/008:45:130
111391220,0ptp4l0-21swapper/008:35:150
111391220,0ptp4l0-21swapper/008:30:170
111391220,0ptp4l0-21swapper/008:25:120
111391220,0ptp4l0-21swapper/008:00:110
111391220,0ptp4l0-21swapper/007:50:210
111391220,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l0-21swapper/007:15:130
111391220,0ptp4l0-21swapper/007:15:130
111391210,0ptp4l0-21swapper/712:15:027
111391210,0ptp4l0-21swapper/712:00:397
111391210,0ptp4l0-21swapper/711:26:237
111391210,0ptp4l0-21swapper/711:03:307
111391210,0ptp4l0-21swapper/710:45:377
111391210,0ptp4l0-21swapper/707:40:177
111391210,0ptp4l0-21swapper/611:51:156
111391210,0ptp4l0-21swapper/512:13:285
111391210,0ptp4l0-21swapper/511:52:145
111391210,0ptp4l0-21swapper/511:27:405
111391210,0ptp4l0-21swapper/511:11:085
111391210,0ptp4l0-21swapper/511:02:115
111391210,0ptp4l0-21swapper/510:26:485
111391210,0ptp4l0-21swapper/508:10:015
111391210,0ptp4l0-21swapper/507:39:255
111391210,0ptp4l0-21swapper/312:00:293
111391210,0ptp4l0-21swapper/311:26:163
111391210,0ptp4l0-21swapper/310:45:463
111391210,0ptp4l0-21swapper/211:29:502
111391210,0ptp4l0-21swapper/209:35:522
111391210,0ptp4l0-21swapper/112:21:041
111391210,0ptp4l0-21swapper/112:05:361
111391210,0ptp4l0-21swapper/112:02:021
111391210,0ptp4l0-21swapper/111:50:141
111391210,0ptp4l0-21swapper/110:57:461
111391210,0ptp4l0-21swapper/110:27:451
111391210,0ptp4l0-21swapper/109:26:491
111391210,0ptp4l0-21swapper/109:10:481
111391210,0ptp4l0-21swapper/108:55:201
111391210,0ptp4l0-21swapper/108:09:071
111391210,0ptp4l0-21swapper/009:56:410
111391210,0ptp4l0-21swapper/009:56:410
111391210,0ptp4l0-21swapper/008:10:190
111391200,0ptp4l0-21swapper/511:37:205
111391200,0ptp4l0-21swapper/511:06:535
111391200,0ptp4l0-21swapper/509:41:485
111391200,0ptp4l0-21swapper/509:00:155
111391200,0ptp4l0-21swapper/508:24:465
111391200,0ptp4l0-21swapper/311:30:553
111391200,0ptp4l0-21swapper/307:34:253
111391200,0ptp4l0-21swapper/112:14:431
111391200,0ptp4l0-21swapper/111:08:161
111391200,0ptp4l0-21swapper/109:49:221
111391200,0ptp4l0-21swapper/108:45:001
111391200,0ptp4l0-21swapper/108:44:551
111391200,0ptp4l0-21swapper/108:28:471
111391200,0ptp4l0-21swapper/108:18:251
111391200,0ptp4l0-21swapper/008:09:250
111391190,0ptp4l0-21swapper/611:29:496
111391190,0ptp4l0-21swapper/508:16:265
111391190,0ptp4l0-21swapper/507:16:205
111391190,0ptp4l0-21swapper/507:16:205
111391190,0ptp4l0-21swapper/408:08:264
111391190,0ptp4l0-21swapper/209:15:162
111391190,0ptp4l0-21swapper/107:25:211
111391180,0ptp4l0-21swapper/508:53:425
111391180,0ptp4l0-21swapper/507:44:595
111391180,0ptp4l0-21swapper/211:51:152
111391180,0ptp4l0-21swapper/209:29:542
111391170,0ptp4l0-21swapper/609:29:566
111391170,0ptp4l0-21swapper/508:25:365
111391170,0ptp4l0-21swapper/108:04:251
5262160,0sleep20-21swapper/209:50:142
11364991613,1cyclictest30072-21turbostat07:50:007
11335991612,2cyclictest21654-21turbostat12:30:003
111391160,0ptp4l0-21swapper/508:59:185
111391160,0ptp4l0-21swapper/508:41:165
111391160,0ptp4l0-21swapper/507:45:015
111391160,0ptp4l0-21swapper/212:39:462
111391160,0ptp4l0-21swapper/212:39:462
111391160,0ptp4l0-21swapper/108:24:441
111391160,0ptp4l0-21swapper/107:55:491
111391160,0ptp4l0-21swapper/107:33:251
111391160,0ptp4l0-21swapper/107:18:311
111391160,0ptp4l0-21swapper/107:18:301
11364991512,2cyclictest2053-21turbostat11:19:597
111391150,0ptp4l0-21swapper/708:04:587
111391150,0ptp4l0-21swapper/707:16:517
111391150,0ptp4l0-21swapper/707:16:517
111391150,0ptp4l0-21swapper/611:43:486
111391150,0ptp4l0-21swapper/609:02:486
111391150,0ptp4l0-21swapper/608:58:326
111391150,0ptp4l0-21swapper/608:22:526
111391150,0ptp4l0-21swapper/607:15:396
111391150,0ptp4l0-21swapper/607:15:396
111391150,0ptp4l0-21swapper/508:31:505
111391150,0ptp4l0-21swapper/507:30:265
111391150,0ptp4l0-21swapper/507:27:505
111391150,0ptp4l0-21swapper/507:21:345
111391150,0ptp4l0-21swapper/310:08:003
111391150,0ptp4l0-21swapper/307:16:533
111391150,0ptp4l0-21swapper/307:16:533
111391150,0ptp4l0-21swapper/208:22:522
111391150,0ptp4l0-21swapper/208:16:352
111391150,0ptp4l0-21swapper/108:50:321
111391150,0ptp4l0-21swapper/108:37:521
111391150,0ptp4l0-21swapper/108:30:341
111391150,0ptp4l0-21swapper/107:42:331
111391150,0ptp4l0-21swapper/107:21:331
111391140,0ptp4l0-21swapper/707:22:097
111391140,0ptp4l0-21swapper/508:38:165
111391140,0ptp4l0-21swapper/307:56:273
111391140,0ptp4l0-21swapper/307:22:103
111391140,0ptp4l0-21swapper/210:42:112
111391140,0ptp4l0-21swapper/209:58:242
111391140,0ptp4l0-21swapper/209:58:242
111391140,0ptp4l0-21swapper/209:02:462
111391140,0ptp4l0-21swapper/208:58:302
111391140,0ptp4l0-21swapper/207:50:282
111391140,0ptp4l0-21swapper/207:26:582
111391140,0ptp4l0-21swapper/207:15:382
111391140,0ptp4l0-21swapper/207:15:382
111391140,0ptp4l0-21swapper/207:10:532
111391130,0ptp4l0-21swapper/207:49:012
1136499120,11cyclictest31232-21/usr/sbin/munin07:50:167
1133099120,1cyclictest0-21swapper/211:45:162
1133099120,11cyclictest32571-21df_inode12:00:112
1136499110,10cyclictest0-21swapper/709:24:437
1133599119,1cyclictest0-21swapper/308:20:183
1133599116,4cyclictest31867-21munin-run12:00:003
1133099110,10cyclictest0-21swapper/211:05:492
188191100,0phc2sys0-21swapper/710:21:137
1136499109,0cyclictest0-21swapper/711:42:427
1136499109,0cyclictest0-21swapper/710:03:047
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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