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2026-05-30 - 21:03

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 May 30, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
905821050,2sleep31209499cyclictest10:45:113
90432660,0sleep40-21swapper/412:13:484
1154426636,16sleep70-21swapper/707:06:327
111391640,5ptp4l0-21swapper/007:09:560
111391620,5ptp4l0-21swapper/407:09:054
111391600,29ptp4l0-21swapper/107:06:341
96102590,0sleep50-21swapper/512:15:005
1162625736,6sleep50-21swapper/507:07:345
1881915635,6phc2sys0-21swapper/207:09:082
1180025534,6sleep60-21swapper/607:09:526
1146724836,7sleep30-21swapper/307:05:323
104502480,1sleep41068-21runrttasks10:45:194
111391320,3ptp4l0-21swapper/709:15:217
111391320,0ptp4l0-21swapper/409:30:174
111391320,0ptp4l0-21swapper/008:20:200
111391310,0ptp4l0-21swapper/410:44:304
111391300,3ptp4l0-21swapper/511:15:175
111391300,3ptp4l0-21swapper/012:25:190
111391300,0ptp4l0-21swapper/412:35:374
111391300,0ptp4l0-21swapper/308:35:163
111391300,0ptp4l0-21swapper/112:05:151
111391300,0ptp4l0-21swapper/010:00:170
111391300,0ptp4l0-21swapper/009:47:320
111391300,0ptp4l0-21swapper/009:40:170
111391290,3ptp4l0-21swapper/010:55:170
111391290,1ptp4l18327-21smart_sda08:30:185
111391290,0ptp4l0-21swapper/412:26:204
111391290,0ptp4l0-21swapper/412:00:484
111391290,0ptp4l0-21swapper/411:35:224
111391290,0ptp4l0-21swapper/410:06:544
111391290,0ptp4l0-21swapper/111:54:121
111391290,0ptp4l0-21swapper/011:18:570
111391290,0ptp4l0-21swapper/011:14:440
111391280,2ptp4l0-21swapper/410:27:344
111391280,0ptp4l0-21swapper/511:01:115
111391280,0ptp4l0-21swapper/411:46:474
111391280,0ptp4l0-21swapper/411:22:454
111391280,0ptp4l0-21swapper/411:22:454
111391280,0ptp4l0-21swapper/410:20:484
111391280,0ptp4l0-21swapper/409:41:164
111391280,0ptp4l0-21swapper/309:15:143
111391280,0ptp4l0-21swapper/111:03:141
111391280,0ptp4l0-21swapper/011:00:120
111391280,0ptp4l0-21swapper/009:37:400
111391270,0ptp4l0-21swapper/512:33:135
111391270,0ptp4l0-21swapper/511:32:375
111391270,0ptp4l0-21swapper/510:31:465
111391270,0ptp4l0-21swapper/509:50:195
111391270,0ptp4l0-21swapper/509:22:195
111391270,0ptp4l0-21swapper/412:33:424
111391270,0ptp4l0-21swapper/412:06:074
111391270,0ptp4l0-21swapper/411:30:234
111391270,0ptp4l0-21swapper/410:18:244
111391270,0ptp4l0-21swapper/410:01:434
111391270,0ptp4l0-21swapper/409:29:094
111391270,0ptp4l0-21swapper/311:36:433
111391270,0ptp4l0-21swapper/111:37:251
111391270,0ptp4l0-21swapper/111:18:211
111391270,0ptp4l0-21swapper/109:00:011
111391270,0ptp4l0-21swapper/107:34:301
111391270,0ptp4l0-21swapper/012:38:190
111391260,7ptp4l0-21swapper/411:41:134
111391260,3ptp4l0-21swapper/011:20:490
111391260,3ptp4l0-21swapper/011:20:480
111391260,1ptp4l0-21swapper/711:29:107
111391260,1ptp4l0-21swapper/711:29:097
111391260,0ptp4l0-21swapper/510:49:005
111391260,0ptp4l0-21swapper/507:25:155
111391260,0ptp4l0-21swapper/412:23:564
111391260,0ptp4l0-21swapper/411:07:104
111391260,0ptp4l0-21swapper/409:55:164
111391260,0ptp4l0-21swapper/309:53:473
111391260,0ptp4l0-21swapper/112:33:221
111391260,0ptp4l0-21swapper/112:17:461
111391260,0ptp4l0-21swapper/109:31:011
111391260,0ptp4l0-21swapper/109:13:411
111391260,0ptp4l0-21swapper/011:09:350
111391260,0ptp4l0-21swapper/010:53:220
111391260,0ptp4l0-21swapper/010:41:130
111391260,0ptp4l0-21swapper/009:51:050
111391250,4ptp4l0-21swapper/011:42:400
111391250,3ptp4l401ktimersoftd/311:42:003
111391250,1ptp4l561ktimersoftd/509:12:295
111391250,0ptp4l0-21swapper/709:52:317
111391250,0ptp4l0-21swapper/511:47:005
111391250,0ptp4l0-21swapper/509:37:145
111391250,0ptp4l0-21swapper/411:52:284
111391250,0ptp4l0-21swapper/410:37:254
111391250,0ptp4l0-21swapper/410:10:204
111391250,0ptp4l0-21swapper/409:23:104
111391250,0ptp4l0-21swapper/111:12:211
111391250,0ptp4l0-21swapper/110:21:291
111391250,0ptp4l0-21swapper/110:05:191
111391250,0ptp4l0-21swapper/110:01:261
111391250,0ptp4l0-21swapper/109:58:251
111391250,0ptp4l0-21swapper/109:54:481
111391250,0ptp4l0-21swapper/109:35:081
111391250,0ptp4l0-21swapper/012:20:470
111391250,0ptp4l0-21swapper/010:38:270
111391250,0ptp4l0-21swapper/009:58:200
111391250,0ptp4l0-21swapper/009:13:390
111391240,1ptp4l6861-21smartctl08:05:201
111391240,1ptp4l444-21turbostat09:05:014
111391240,1ptp4l12590-21ssh11:34:511
111391240,0ptp4l0-21swapper/509:45:145
111391240,0ptp4l0-21swapper/411:56:294
111391240,0ptp4l0-21swapper/411:11:174
111391240,0ptp4l0-21swapper/411:03:564
111391240,0ptp4l0-21swapper/410:53:194
111391240,0ptp4l0-21swapper/409:10:104
111391240,0ptp4l0-21swapper/407:40:114
111391240,0ptp4l0-21swapper/407:15:204
111391240,0ptp4l0-21swapper/112:29:191
111391240,0ptp4l0-21swapper/112:14:131
111391240,0ptp4l0-21swapper/112:00:371
111391240,0ptp4l0-21swapper/108:45:201
111391240,0ptp4l0-21swapper/108:45:191
111391240,0ptp4l0-21swapper/011:53:350
111391240,0ptp4l0-21swapper/011:45:490
111391240,0ptp4l0-21swapper/010:24:060
111391240,0ptp4l0-21swapper/009:17:070
111391240,0ptp4l0-21swapper/008:40:120
111391240,0ptp4l0-21swapper/007:40:180
111391240,0ptp4l0-21swapper/007:10:190
111391230,2ptp4l0-21swapper/709:14:587
111391230,1ptp4l9181-21/usr/sbin/munin10:45:130
111391230,1ptp4l57-21ksoftirqd/512:15:595
111391230,1ptp4l31158-21taskset09:45:421
111391230,1ptp4l20814-21sed08:35:197
111391230,1ptp4l1939-21idleruntime10:35:151
111391230,0ptp4l2842-21diskmemload10:50:125
111391230,0ptp4l0-21swapper/709:30:017
111391230,0ptp4l0-21swapper/707:45:137
111391230,0ptp4l0-21swapper/611:56:536
111391230,0ptp4l0-21swapper/512:05:195
111391230,0ptp4l0-21swapper/511:28:455
111391230,0ptp4l0-21swapper/511:28:455
111391230,0ptp4l0-21swapper/510:35:165
111391230,0ptp4l0-21swapper/510:05:125
111391230,0ptp4l0-21swapper/509:28:425
111391230,0ptp4l0-21swapper/509:00:185
111391230,0ptp4l0-21swapper/508:50:205
111391230,0ptp4l0-21swapper/508:45:125
111391230,0ptp4l0-21swapper/508:45:115
111391230,0ptp4l0-21swapper/508:10:165
111391230,0ptp4l0-21swapper/508:05:195
111391230,0ptp4l0-21swapper/412:15:154
111391230,0ptp4l0-21swapper/411:25:134
111391230,0ptp4l0-21swapper/411:25:124
111391230,0ptp4l0-21swapper/410:55:204
111391230,0ptp4l0-21swapper/410:30:194
111391230,0ptp4l0-21swapper/409:46:594
111391230,0ptp4l0-21swapper/409:37:404
111391230,0ptp4l0-21swapper/409:19:534
111391230,0ptp4l0-21swapper/408:55:184
111391230,0ptp4l0-21swapper/408:40:194
111391230,0ptp4l0-21swapper/408:15:124
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:10:184
111391230,0ptp4l0-21swapper/209:40:402
111391230,0ptp4l0-21swapper/111:46:571
111391230,0ptp4l0-21swapper/111:05:311
111391230,0ptp4l0-21swapper/110:50:401
111391230,0ptp4l0-21swapper/110:48:081
111391230,0ptp4l0-21swapper/110:12:051
111391230,0ptp4l0-21swapper/109:25:161
111391230,0ptp4l0-21swapper/108:50:171
111391230,0ptp4l0-21swapper/108:35:021
111391230,0ptp4l0-21swapper/108:10:161
111391230,0ptp4l0-21swapper/108:00:181
111391230,0ptp4l0-21swapper/107:25:181
111391230,0ptp4l0-21swapper/012:30:100
111391230,0ptp4l0-21swapper/012:10:200
111391230,0ptp4l0-21swapper/012:09:300
111391230,0ptp4l0-21swapper/011:55:160
111391230,0ptp4l0-21swapper/011:35:150
111391230,0ptp4l0-21swapper/011:31:280
111391230,0ptp4l0-21swapper/011:26:330
111391230,0ptp4l0-21swapper/011:26:320
111391230,0ptp4l0-21swapper/010:30:380
111391230,0ptp4l0-21swapper/010:19:180
111391230,0ptp4l0-21swapper/009:25:380
111391230,0ptp4l0-21swapper/009:23:460
111391230,0ptp4l0-21swapper/009:05:160
111391230,0ptp4l0-21swapper/007:50:180
111391220,0ptp4l0-21swapper/707:55:007
111391220,0ptp4l0-21swapper/609:40:216
111391220,0ptp4l0-21swapper/511:35:385
111391220,0ptp4l0-21swapper/511:12:205
111391220,0ptp4l0-21swapper/511:05:095
111391220,0ptp4l0-21swapper/510:26:075
111391220,0ptp4l0-21swapper/510:22:285
111391220,0ptp4l0-21swapper/510:20:005
111391220,0ptp4l0-21swapper/510:12:195
111391220,0ptp4l0-21swapper/510:04:145
111391220,0ptp4l0-21swapper/509:58:585
111391220,0ptp4l0-21swapper/509:44:325
111391220,0ptp4l0-21swapper/509:17:585
111391220,0ptp4l0-21swapper/508:30:015
111391220,0ptp4l0-21swapper/508:01:315
111391220,0ptp4l0-21swapper/507:35:105
111391220,0ptp4l0-21swapper/507:30:195
111391220,0ptp4l0-21swapper/507:22:495
111391220,0ptp4l0-21swapper/411:15:064
111391220,0ptp4l0-21swapper/409:05:154
111391220,0ptp4l0-21swapper/408:25:114
111391220,0ptp4l0-21swapper/408:10:004
111391220,0ptp4l0-21swapper/407:30:154
111391220,0ptp4l0-21swapper/310:08:073
111391220,0ptp4l0-21swapper/309:30:073
111391220,0ptp4l0-21swapper/309:14:083
111391220,0ptp4l0-21swapper/307:45:153
111391220,0ptp4l0-21swapper/212:32:212
111391220,0ptp4l0-21swapper/212:12:162
111391220,0ptp4l0-21swapper/211:48:072
111391220,0ptp4l0-21swapper/210:20:092
111391220,0ptp4l0-21swapper/209:30:122
111391220,0ptp4l0-21swapper/110:31:341
111391220,0ptp4l0-21swapper/110:27:551
111391220,0ptp4l0-21swapper/110:19:591
111391220,0ptp4l0-21swapper/109:20:151
111391220,0ptp4l0-21swapper/109:17:561
111391220,0ptp4l0-21swapper/108:30:151
111391220,0ptp4l0-21swapper/107:35:161
111391220,0ptp4l0-21swapper/107:20:171
111391220,0ptp4l0-21swapper/012:15:190
111391220,0ptp4l0-21swapper/012:00:210
111391220,0ptp4l0-21swapper/010:25:100
111391220,0ptp4l0-21swapper/010:10:300
111391220,0ptp4l0-21swapper/009:30:120
111391220,0ptp4l0-21swapper/008:55:160
111391220,0ptp4l0-21swapper/008:53:500
111391220,0ptp4l0-21swapper/008:47:010
111391220,0ptp4l0-21swapper/008:47:010
111391220,0ptp4l0-21swapper/008:25:150
111391220,0ptp4l0-21swapper/008:15:180
111391220,0ptp4l0-21swapper/008:10:190
111391220,0ptp4l0-21swapper/008:00:120
111391210,0ptp4l0-21swapper/712:34:367
111391210,0ptp4l0-21swapper/712:19:517
111391210,0ptp4l0-21swapper/708:58:317
111391210,0ptp4l0-21swapper/612:08:046
111391210,0ptp4l0-21swapper/611:48:046
111391210,0ptp4l0-21swapper/610:35:346
111391210,0ptp4l0-21swapper/610:20:116
111391210,0ptp4l0-21swapper/610:08:416
111391210,0ptp4l0-21swapper/512:38:365
111391210,0ptp4l0-21swapper/512:25:055
111391210,0ptp4l0-21swapper/512:00:345
111391210,0ptp4l0-21swapper/511:59:375
111391210,0ptp4l0-21swapper/511:54:285
111391210,0ptp4l0-21swapper/510:56:125
111391210,0ptp4l0-21swapper/510:41:295
111391210,0ptp4l0-21swapper/509:30:185
111391210,0ptp4l0-21swapper/508:44:315
111391210,0ptp4l0-21swapper/507:58:135
111391210,0ptp4l0-21swapper/507:19:285
111391210,0ptp4l0-21swapper/507:12:185
111391210,0ptp4l0-21swapper/408:20:124
111391210,0ptp4l0-21swapper/408:00:004
111391210,0ptp4l0-21swapper/407:50:154
111391210,0ptp4l0-21swapper/407:39:324
111391210,0ptp4l0-21swapper/407:25:164
111391210,0ptp4l0-21swapper/312:34:283
111391210,0ptp4l0-21swapper/312:07:413
111391210,0ptp4l0-21swapper/309:57:303
111391210,0ptp4l0-21swapper/307:54:573
111391210,0ptp4l0-21swapper/210:35:322
111391210,0ptp4l0-21swapper/209:47:252
111391210,0ptp4l0-21swapper/209:16:282
111391210,0ptp4l0-21swapper/208:23:282
111391210,0ptp4l0-21swapper/112:38:381
111391210,0ptp4l0-21swapper/111:21:301
111391210,0ptp4l0-21swapper/111:21:291
111391210,0ptp4l0-21swapper/110:41:401
111391210,0ptp4l0-21swapper/109:44:201
111391210,0ptp4l0-21swapper/010:06:490
111391210,0ptp4l0-21swapper/007:55:140
111391210,0ptp4l0-21swapper/007:33:490
111391200,0ptp4l2842-21diskmemload09:50:044
111391200,0ptp4l0-21swapper/711:36:447
111391200,0ptp4l0-21swapper/707:44:127
111391200,0ptp4l0-21swapper/612:38:036
111391200,0ptp4l0-21swapper/612:12:336
111391200,0ptp4l0-21swapper/611:43:436
111391200,0ptp4l0-21swapper/609:16:266
111391200,0ptp4l0-21swapper/607:54:326
111391200,0ptp4l0-21swapper/512:22:585
111391200,0ptp4l0-21swapper/511:21:195
111391200,0ptp4l0-21swapper/511:21:185
111391200,0ptp4l0-21swapper/408:37:404
111391200,0ptp4l0-21swapper/408:33:314
111391200,0ptp4l0-21swapper/408:06:324
111391200,0ptp4l0-21swapper/309:29:233
111391200,0ptp4l0-21swapper/308:57:573
111391200,0ptp4l0-21swapper/308:28:313
111391200,0ptp4l0-21swapper/307:44:333
111391200,0ptp4l0-21swapper/211:34:002
111391200,0ptp4l0-21swapper/210:47:362
111391200,0ptp4l0-21swapper/207:53:092
111391200,0ptp4l0-21swapper/112:22:551
111391200,0ptp4l0-21swapper/111:58:441
111391200,0ptp4l0-21swapper/111:43:361
111391200,0ptp4l0-21swapper/111:26:381
111391200,0ptp4l0-21swapper/111:26:381
111391200,0ptp4l0-21swapper/110:56:361
111391200,0ptp4l0-21swapper/108:56:231
111391200,0ptp4l0-21swapper/008:06:290
111391200,0ptp4l0-21swapper/007:38:220
111391200,0ptp4l0-21swapper/007:27:310
111391190,0ptp4l0-21swapper/710:08:047
111391190,0ptp4l0-21swapper/709:57:267
111391190,0ptp4l0-21swapper/709:30:117
111391190,0ptp4l0-21swapper/708:27:327
111391190,0ptp4l0-21swapper/609:20:406
111391190,0ptp4l0-21swapper/511:43:395
111391190,0ptp4l0-21swapper/408:51:144
111391190,0ptp4l0-21swapper/407:46:324
111391190,0ptp4l0-21swapper/407:21:304
111391190,0ptp4l0-21swapper/312:19:513
111391190,0ptp4l0-21swapper/308:18:093
111391190,0ptp4l0-21swapper/307:20:473
111391190,0ptp4l0-21swapper/212:38:012
111391190,0ptp4l0-21swapper/212:08:062
111391190,0ptp4l0-21swapper/212:01:562
111391190,0ptp4l0-21swapper/210:08:362
111391190,0ptp4l0-21swapper/209:20:382
111391190,0ptp4l0-21swapper/108:20:321
111391190,0ptp4l0-21swapper/107:47:231
111391190,0ptp4l0-21swapper/107:11:541
111391190,0ptp4l0-21swapper/009:04:240
111391190,0ptp4l0-21swapper/008:37:320
111391190,0ptp4l0-21swapper/008:32:330
111391190,0ptp4l0-21swapper/007:48:550
111391190,0ptp4l0-21swapper/007:20:300
111391190,0ptp4l0-21swapper/007:15:160
111391180,0ptp4l0-21swapper/712:07:377
111391180,0ptp4l0-21swapper/711:42:047
111391180,0ptp4l0-21swapper/612:20:106
111391180,0ptp4l0-21swapper/611:12:556
111391180,0ptp4l0-21swapper/610:47:386
111391180,0ptp4l0-21swapper/609:47:186
111391180,0ptp4l0-21swapper/311:26:423
111391180,0ptp4l0-21swapper/311:26:423
111391180,0ptp4l0-21swapper/211:56:512
111391180,0ptp4l0-21swapper/211:43:422
111391180,0ptp4l0-21swapper/209:36:142
111391180,0ptp4l0-21swapper/108:40:321
111391180,0ptp4l0-21swapper/108:15:221
111391180,0ptp4l0-21swapper/107:19:301
111391170,2ptp4l0-21swapper/109:06:221
111391170,0ptp4l0-21swapper/612:01:596
111391170,0ptp4l0-21swapper/611:34:026
111391170,0ptp4l0-21swapper/212:20:092
111391170,0ptp4l0-21swapper/207:41:462
111391170,0ptp4l0-21swapper/107:51:531
111391160,0ptp4l0-21swapper/708:17:177
111391160,0ptp4l0-21swapper/612:32:196
111391160,0ptp4l0-21swapper/609:38:126
111391160,0ptp4l0-21swapper/509:08:025
111391160,0ptp4l0-21swapper/508:57:335
111391160,0ptp4l0-21swapper/508:20:015
111391160,0ptp4l0-21swapper/508:15:365
111391160,0ptp4l0-21swapper/307:55:023
111391160,0ptp4l0-21swapper/210:14:142
111391160,0ptp4l0-21swapper/107:42:541
1208899150,1cyclictest0-21swapper/211:10:142
111391150,0ptp4l0-21swapper/707:20:477
111391150,0ptp4l0-21swapper/610:14:146
111391150,0ptp4l0-21swapper/608:59:206
111391150,0ptp4l0-21swapper/608:44:086
111391150,0ptp4l0-21swapper/608:32:446
111391150,0ptp4l0-21swapper/608:23:256
111391150,0ptp4l0-21swapper/608:05:366
111391150,0ptp4l0-21swapper/607:41:506
111391150,0ptp4l0-21swapper/508:35:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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