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2026-03-11 - 17:22

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 Wed Mar 11, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1234021060,5sleep60-21swapper/607:05:196
111391640,5ptp4l0-21swapper/407:06:444
302682620,0sleep60-21swapper/607:45:086
1881916150,6phc2sys0-21swapper/207:07:112
1281526142,6sleep70-21swapper/707:06:267
111391570,5ptp4l0-21swapper/007:07:380
1293125139,7sleep10-21swapper/107:07:561
1303425038,8sleep50-21swapper/507:09:135
1284724736,7sleep30-21swapper/307:06:543
111391370,0ptp4l0-21swapper/011:35:180
111391340,3ptp4l0-21swapper/408:35:114
111391330,0ptp4l4124-21diskmemload09:15:130
111391330,0ptp4l0-21swapper/011:45:150
111391320,0ptp4l0-21swapper/411:36:564
111391320,0ptp4l0-21swapper/411:16:524
111391310,0ptp4l0-21swapper/411:27:144
111391310,0ptp4l0-21swapper/409:15:114
111391310,0ptp4l0-21swapper/011:25:110
111391310,0ptp4l0-21swapper/010:02:180
111391300,3ptp4l0-21swapper/412:16:564
111391300,2ptp4l0-21swapper/407:10:194
111391300,0ptp4l0-21swapper/410:25:154
111391300,0ptp4l0-21swapper/109:41:251
111391300,0ptp4l0-21swapper/010:15:370
111391290,1ptp4l18169-21ssh10:57:444
111391290,1ptp4l18169-21ssh10:57:434
111391290,0ptp4l4124-21diskmemload09:44:314
111391290,0ptp4l0-21swapper/411:23:004
111391290,0ptp4l0-21swapper/410:18:294
111391290,0ptp4l0-21swapper/409:55:194
111391290,0ptp4l0-21swapper/409:53:224
111391290,0ptp4l0-21swapper/010:29:590
111391290,0ptp4l0-21swapper/009:37:310
111391290,0ptp4l0-21swapper/007:55:150
111391280,4ptp4l0-21swapper/010:08:330
111391280,0ptp4l0-21swapper/611:52:346
111391280,0ptp4l0-21swapper/509:23:085
111391280,0ptp4l0-21swapper/507:49:205
111391280,0ptp4l0-21swapper/412:09:304
111391280,0ptp4l0-21swapper/411:00:134
111391280,0ptp4l0-21swapper/411:00:134
111391280,0ptp4l0-21swapper/410:08:234
111391280,0ptp4l0-21swapper/407:35:014
111391280,0ptp4l0-21swapper/110:30:121
111391280,0ptp4l0-21swapper/012:14:140
111391280,0ptp4l0-21swapper/009:42:160
111391270,3ptp4l0-21swapper/410:01:404
111391270,0ptp4l0-21swapper/511:29:545
111391270,0ptp4l0-21swapper/412:31:544
111391270,0ptp4l0-21swapper/412:23:134
111391270,0ptp4l0-21swapper/411:30:364
111391270,0ptp4l0-21swapper/111:53:241
111391270,0ptp4l0-21swapper/110:44:581
111391270,0ptp4l0-21swapper/109:22:481
111391270,0ptp4l0-21swapper/011:42:150
111391270,0ptp4l0-21swapper/011:12:450
111391270,0ptp4l0-21swapper/010:58:410
111391270,0ptp4l0-21swapper/010:58:400
111391270,0ptp4l0-21swapper/010:38:340
111391270,0ptp4l0-21swapper/009:50:220
111391270,0ptp4l0-21swapper/009:49:210
111391260,1ptp4l2938-21grep09:05:174
111391260,0ptp4l0-21swapper/511:20:095
111391260,0ptp4l0-21swapper/411:45:094
111391260,0ptp4l0-21swapper/411:08:024
111391260,0ptp4l0-21swapper/410:31:404
111391260,0ptp4l0-21swapper/410:21:054
111391260,0ptp4l0-21swapper/408:33:104
111391260,0ptp4l0-21swapper/310:38:133
111391260,0ptp4l0-21swapper/309:51:363
111391260,0ptp4l0-21swapper/012:23:050
111391260,0ptp4l0-21swapper/011:54:030
111391260,0ptp4l0-21swapper/011:20:010
111391260,0ptp4l0-21swapper/010:34:230
111391260,0ptp4l0-21swapper/010:22:110
111391260,0ptp4l0-21swapper/009:25:270
111391250,1ptp4l23367-21diskstats08:40:111
111391250,1ptp4l19731-21grep11:45:115
111391250,1ptp4l16502-21irqstats10:55:151
111391250,1ptp4l16502-21irqstats10:55:151
111391250,0ptp4l0-21swapper/709:59:557
111391250,0ptp4l0-21swapper/610:01:176
111391250,0ptp4l0-21swapper/509:57:305
111391250,0ptp4l0-21swapper/507:40:145
111391250,0ptp4l0-21swapper/412:10:504
111391250,0ptp4l0-21swapper/411:57:214
111391250,0ptp4l0-21swapper/411:10:214
111391250,0ptp4l0-21swapper/410:45:594
111391250,0ptp4l0-21swapper/409:46:384
111391250,0ptp4l0-21swapper/409:20:194
111391250,0ptp4l0-21swapper/409:12:534
111391250,0ptp4l0-21swapper/408:20:204
111391250,0ptp4l0-21swapper/408:20:194
111391250,0ptp4l0-21swapper/407:15:124
111391250,0ptp4l0-21swapper/012:03:230
111391250,0ptp4l0-21swapper/010:44:220
111391250,0ptp4l0-21swapper/010:10:120
111391250,0ptp4l0-21swapper/007:35:130
111391250,0ptp4l0-21swapper/007:15:000
111391240,1ptp4l4124-21diskmemload10:31:035
111391240,1ptp4l41-21ksoftirqd/310:15:463
111391240,1ptp4l23624-21fw_forwarded_lo07:30:110
111391240,1ptp4l23524-21if_err_enp1s008:40:145
111391240,1ptp4l20006-21memory09:30:150
111391240,1ptp4l19014-21df07:20:134
111391240,1ptp4l1763-21cpuspeed_turbos12:05:101
111391240,1ptp4l16485-21df_inode08:25:101
111391240,1ptp4l15912-21grep12:25:105
111391240,1ptp4l10119-21cat10:45:190
111391240,0ptp4l0-21swapper/511:37:135
111391240,0ptp4l0-21swapper/411:43:314
111391240,0ptp4l0-21swapper/410:42:484
111391240,0ptp4l0-21swapper/410:13:224
111391240,0ptp4l0-21swapper/409:25:134
111391240,0ptp4l0-21swapper/408:25:174
111391240,0ptp4l0-21swapper/408:17:434
111391240,0ptp4l0-21swapper/408:17:424
111391240,0ptp4l0-21swapper/112:25:161
111391240,0ptp4l0-21swapper/111:39:081
111391240,0ptp4l0-21swapper/012:27:460
111391240,0ptp4l0-21swapper/010:52:560
111391230,2ptp4l0-21swapper/410:51:174
111391230,0ptp4l27996-21idleruntime08:50:114
111391230,0ptp4l0-21swapper/710:38:177
111391230,0ptp4l0-21swapper/710:16:187
111391230,0ptp4l0-21swapper/611:41:016
111391230,0ptp4l0-21swapper/609:43:276
111391230,0ptp4l0-21swapper/512:20:145
111391230,0ptp4l0-21swapper/511:40:125
111391230,0ptp4l0-21swapper/510:08:515
111391230,0ptp4l0-21swapper/509:15:235
111391230,0ptp4l0-21swapper/508:51:105
111391230,0ptp4l0-21swapper/508:35:385
111391230,0ptp4l0-21swapper/507:50:185
111391230,0ptp4l0-21swapper/507:15:145
111391230,0ptp4l0-21swapper/412:35:184
111391230,0ptp4l0-21swapper/412:25:164
111391230,0ptp4l0-21swapper/411:50:184
111391230,0ptp4l0-21swapper/410:35:204
111391230,0ptp4l0-21swapper/409:35:154
111391230,0ptp4l0-21swapper/409:34:094
111391230,0ptp4l0-21swapper/409:00:164
111391230,0ptp4l0-21swapper/408:55:114
111391230,0ptp4l0-21swapper/408:45:174
111391230,0ptp4l0-21swapper/408:40:154
111391230,0ptp4l0-21swapper/408:10:164
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/407:25:184
111391230,0ptp4l0-21swapper/309:59:083
111391230,0ptp4l0-21swapper/308:35:003
111391230,0ptp4l0-21swapper/112:22:361
111391230,0ptp4l0-21swapper/112:11:531
111391230,0ptp4l0-21swapper/112:05:001
111391230,0ptp4l0-21swapper/111:40:151
111391230,0ptp4l0-21swapper/111:28:231
111391230,0ptp4l0-21swapper/111:20:131
111391230,0ptp4l0-21swapper/111:05:151
111391230,0ptp4l0-21swapper/110:50:291
111391230,0ptp4l0-21swapper/110:35:121
111391230,0ptp4l0-21swapper/110:05:161
111391230,0ptp4l0-21swapper/109:55:121
111391230,0ptp4l0-21swapper/109:45:111
111391230,0ptp4l0-21swapper/108:55:171
111391230,0ptp4l0-21swapper/108:35:131
111391230,0ptp4l0-21swapper/107:50:121
111391230,0ptp4l0-21swapper/107:46:431
111391230,0ptp4l0-21swapper/012:35:150
111391230,0ptp4l0-21swapper/012:30:160
111391230,0ptp4l0-21swapper/012:15:160
111391230,0ptp4l0-21swapper/012:05:140
111391230,0ptp4l0-21swapper/011:55:140
111391230,0ptp4l0-21swapper/011:33:210
111391230,0ptp4l0-21swapper/011:20:170
111391230,0ptp4l0-21swapper/011:05:220
111391230,0ptp4l0-21swapper/011:05:010
111391230,0ptp4l0-21swapper/011:05:000
111391230,0ptp4l0-21swapper/009:10:010
111391230,0ptp4l0-21swapper/009:05:180
111391230,0ptp4l0-21swapper/008:40:150
111391230,0ptp4l0-21swapper/008:37:480
111391230,0ptp4l0-21swapper/008:30:120
111391230,0ptp4l0-21swapper/008:25:180
111391230,0ptp4l0-21swapper/008:20:120
111391230,0ptp4l0-21swapper/008:20:110
111391230,0ptp4l0-21swapper/008:10:140
111391230,0ptp4l0-21swapper/008:00:190
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:40:160
111391230,0ptp4l0-21swapper/007:20:140
111391220,0ptp4l0-21swapper/710:46:197
111391220,0ptp4l0-21swapper/611:21:156
111391220,0ptp4l0-21swapper/610:54:546
111391220,0ptp4l0-21swapper/610:31:556
111391220,0ptp4l0-21swapper/609:35:476
111391220,0ptp4l0-21swapper/512:35:045
111391220,0ptp4l0-21swapper/512:33:175
111391220,0ptp4l0-21swapper/512:15:335
111391220,0ptp4l0-21swapper/512:12:485
111391220,0ptp4l0-21swapper/512:05:115
111391220,0ptp4l0-21swapper/511:55:545
111391220,0ptp4l0-21swapper/511:53:105
111391220,0ptp4l0-21swapper/511:15:195
111391220,0ptp4l0-21swapper/511:05:175
111391220,0ptp4l0-21swapper/510:55:145
111391220,0ptp4l0-21swapper/510:55:145
111391220,0ptp4l0-21swapper/510:50:455
111391220,0ptp4l0-21swapper/510:48:345
111391220,0ptp4l0-21swapper/510:23:285
111391220,0ptp4l0-21swapper/510:12:495
111391220,0ptp4l0-21swapper/510:03:535
111391220,0ptp4l0-21swapper/509:53:275
111391220,0ptp4l0-21swapper/509:40:155
111391220,0ptp4l0-21swapper/509:36:085
111391220,0ptp4l0-21swapper/509:30:135
111391220,0ptp4l0-21swapper/509:29:195
111391220,0ptp4l0-21swapper/509:10:425
111391220,0ptp4l0-21swapper/508:25:125
111391220,0ptp4l0-21swapper/412:00:134
111391220,0ptp4l0-21swapper/408:00:174
111391220,0ptp4l0-21swapper/407:55:144
111391220,0ptp4l0-21swapper/407:45:174
111391220,0ptp4l0-21swapper/407:40:194
111391220,0ptp4l0-21swapper/407:30:154
111391220,0ptp4l0-21swapper/311:37:403
111391220,0ptp4l0-21swapper/310:46:233
111391220,0ptp4l0-21swapper/211:17:352
111391220,0ptp4l0-21swapper/211:07:352
111391220,0ptp4l0-21swapper/210:54:482
111391220,0ptp4l0-21swapper/112:33:011
111391220,0ptp4l0-21swapper/112:15:341
111391220,0ptp4l0-21swapper/111:45:111
111391220,0ptp4l0-21swapper/111:16:051
111391220,0ptp4l0-21swapper/111:11:261
111391220,0ptp4l0-21swapper/110:23:051
111391220,0ptp4l0-21swapper/110:19:231
111391220,0ptp4l0-21swapper/110:03:561
111391220,0ptp4l0-21swapper/109:53:251
111391220,0ptp4l0-21swapper/109:36:341
111391220,0ptp4l0-21swapper/109:30:121
111391220,0ptp4l0-21swapper/108:51:111
111391220,0ptp4l0-21swapper/108:10:111
111391220,0ptp4l0-21swapper/108:05:121
111391220,0ptp4l0-21swapper/107:15:011
111391220,0ptp4l0-21swapper/009:55:110
111391220,0ptp4l0-21swapper/009:20:200
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:55:120
111391220,0ptp4l0-21swapper/008:50:110
111391220,0ptp4l0-21swapper/008:45:190
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/008:05:180
111391220,0ptp4l0-21swapper/007:25:000
148322210,0sleep50-21swapper/508:20:165
148322210,0sleep50-21swapper/508:20:155
111391210,0ptp4l0-21swapper/712:08:047
111391210,0ptp4l0-21swapper/711:38:077
111391210,0ptp4l0-21swapper/709:51:387
111391210,0ptp4l0-21swapper/707:27:297
111391210,0ptp4l0-21swapper/611:17:306
111391210,0ptp4l0-21swapper/610:55:026
111391210,0ptp4l0-21swapper/610:55:026
111391210,0ptp4l0-21swapper/609:10:576
111391210,0ptp4l0-21swapper/511:31:235
111391210,0ptp4l0-21swapper/511:12:155
111391210,0ptp4l0-21swapper/511:03:385
111391210,0ptp4l0-21swapper/511:03:385
111391210,0ptp4l0-21swapper/510:44:345
111391210,0ptp4l0-21swapper/510:15:305
111391210,0ptp4l0-21swapper/509:46:085
111391210,0ptp4l0-21swapper/508:33:495
111391210,0ptp4l0-21swapper/312:08:003
111391210,0ptp4l0-21swapper/307:27:523
111391210,0ptp4l0-21swapper/210:55:292
111391210,0ptp4l0-21swapper/210:55:292
111391210,0ptp4l0-21swapper/210:00:592
111391210,0ptp4l0-21swapper/209:42:362
111391210,0ptp4l0-21swapper/209:11:012
111391210,0ptp4l0-21swapper/111:55:481
111391210,0ptp4l0-21swapper/111:31:061
111391210,0ptp4l0-21swapper/111:03:231
111391210,0ptp4l0-21swapper/111:03:231
111391210,0ptp4l0-21swapper/110:45:341
111391210,0ptp4l0-21swapper/110:26:011
111391210,0ptp4l0-21swapper/110:12:451
111391210,0ptp4l0-21swapper/109:29:161
111391210,0ptp4l0-21swapper/109:15:211
111391210,0ptp4l0-21swapper/109:12:271
111391210,0ptp4l0-21swapper/109:06:231
111391210,0ptp4l0-21swapper/107:57:001
111391210,0ptp4l0-21swapper/007:50:240
111391210,0ptp4l0-21swapper/007:10:010
111391200,0ptp4l0-21swapper/708:35:087
111391200,0ptp4l0-21swapper/612:02:166
111391200,0ptp4l0-21swapper/512:01:275
111391200,0ptp4l0-21swapper/510:26:035
111391200,0ptp4l0-21swapper/509:06:195
111391200,0ptp4l0-21swapper/508:16:195
111391200,0ptp4l0-21swapper/508:16:195
111391200,0ptp4l0-21swapper/508:04:155
111391200,0ptp4l0-21swapper/507:33:255
111391200,0ptp4l0-21swapper/507:12:095
111391200,0ptp4l0-21swapper/212:38:252
111391200,0ptp4l0-21swapper/211:52:172
111391200,0ptp4l0-21swapper/211:01:092
111391200,0ptp4l0-21swapper/211:01:092
111391200,0ptp4l0-21swapper/112:35:031
111391200,0ptp4l0-21swapper/107:39:561
111391190,0ptp4l0-21swapper/707:40:097
111391190,0ptp4l0-21swapper/612:35:586
111391190,0ptp4l0-21swapper/510:39:305
111391190,0ptp4l0-21swapper/509:04:175
111391190,0ptp4l0-21swapper/508:55:115
111391190,0ptp4l0-21swapper/508:07:575
111391190,0ptp4l0-21swapper/507:56:055
111391190,0ptp4l0-21swapper/507:27:095
111391190,0ptp4l0-21swapper/407:52:204
111391190,0ptp4l0-21swapper/211:40:582
111391190,0ptp4l0-21swapper/211:21:152
111391190,0ptp4l0-21swapper/211:14:392
111391190,0ptp4l0-21swapper/207:44:552
111391190,0ptp4l0-21swapper/207:26:092
111391190,0ptp4l0-21swapper/108:01:361
111391180,0ptp4l0-21swapper/508:45:065
111391180,0ptp4l0-21swapper/508:13:545
111391180,0ptp4l0-21swapper/507:38:375
111391180,0ptp4l0-21swapper/212:02:152
111391180,0ptp4l0-21swapper/108:30:181
98462170,0sleep60-21swapper/611:30:186
1339999170,15cyclictest0-21swapper/608:30:176
111391170,0ptp4l0-21swapper/707:19:567
111391160,0ptp4l0-21swapper/709:01:107
111391160,0ptp4l0-21swapper/610:25:056
111391160,0ptp4l0-21swapper/507:22:205
111391160,0ptp4l0-21swapper/307:40:133
111391160,0ptp4l0-21swapper/210:31:542
111391160,0ptp4l0-21swapper/210:25:072
111391160,0ptp4l0-21swapper/109:01:001
111391160,0ptp4l0-21swapper/108:48:421
111391160,0ptp4l0-21swapper/108:20:391
111391160,0ptp4l0-21swapper/108:20:391
111391160,0ptp4l0-21swapper/108:15:361
111391160,0ptp4l0-21swapper/108:15:351
111391160,0ptp4l0-21swapper/107:30:061
111391160,0ptp4l0-21swapper/107:22:201
111391160,0ptp4l0-21swapper/107:10:351
1340799150,1cyclictest0-21swapper/707:15:017
111391150,0ptp4l0-21swapper/708:31:567
111391150,0ptp4l0-21swapper/707:20:077
111391150,0ptp4l0-21swapper/611:45:056
111391150,0ptp4l0-21swapper/608:57:276
111391150,0ptp4l0-21swapper/608:43:186
111391150,0ptp4l0-21swapper/608:14:416
111391150,0ptp4l0-21swapper/607:42:046
111391150,0ptp4l0-21swapper/607:37:536
111391150,0ptp4l0-21swapper/607:34:576
111391150,0ptp4l0-21swapper/607:14:476
111391150,0ptp4l0-21swapper/308:35:083
111391150,0ptp4l0-21swapper/307:20:023
111391150,0ptp4l0-21swapper/307:19:593
111391150,0ptp4l0-21swapper/211:45:052
111391150,0ptp4l0-21swapper/208:57:262
111391150,0ptp4l0-21swapper/208:51:322
111391150,0ptp4l0-21swapper/208:43:212
111391150,0ptp4l0-21swapper/208:31:062
111391150,0ptp4l0-21swapper/207:37:472
111391150,0ptp4l0-21swapper/207:21:362
111391150,0ptp4l0-21swapper/207:14:482
111391150,0ptp4l0-21swapper/107:40:021
111391150,0ptp4l0-21swapper/107:25:081
111391140,0ptp4l0-21swapper/608:50:566
111391140,0ptp4l0-21swapper/608:21:556
111391140,0ptp4l0-21swapper/608:21:556
111391140,0ptp4l0-21swapper/607:26:096
111391140,0ptp4l0-21swapper/607:21:296
111391140,0ptp4l0-21swapper/309:01:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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