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2026-08-20 - 22:43

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 Aug 20, 2026 12:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391730,5ptp4l0-21swapper/407:09:554
223992690,1sleep773-21ksoftirqd/709:00:177
111391680,2ptp4l0-21swapper/507:05:155
111391620,30ptp4l0-21swapper/007:06:390
167452610,0sleep70-21swapper/708:50:007
111391610,30ptp4l0-21swapper/107:08:101
185926050,6sleep70-21swapper/707:06:067
181725837,6sleep20-21swapper/207:05:362
312752560,0sleep00-21swapper/010:50:010
189324736,7sleep30-21swapper/307:06:333
201524636,6sleep60-21swapper/607:08:046
111391340,1ptp4l28239-21cpuspeed_turbos10:45:124
111391340,0ptp4l0-21swapper/111:25:161
111391340,0ptp4l0-21swapper/009:57:220
111391340,0ptp4l0-21swapper/009:57:210
111391310,0ptp4l0-21swapper/512:39:345
111391310,0ptp4l0-21swapper/512:39:335
111391310,0ptp4l0-21swapper/412:03:044
111391300,0ptp4l0-21swapper/411:21:014
111391300,0ptp4l0-21swapper/410:34:324
111391300,0ptp4l0-21swapper/012:10:570
111391300,0ptp4l0-21swapper/010:28:550
111391300,0ptp4l0-21swapper/009:14:550
111391290,0ptp4l0-21swapper/410:59:274
111391290,0ptp4l0-21swapper/410:27:494
111391290,0ptp4l0-21swapper/409:43:174
111391290,0ptp4l0-21swapper/007:55:120
111391280,3ptp4l0-21swapper/408:45:124
111391280,2ptp4l0-21swapper/407:15:154
111391280,0ptp4l25574-21diskmemload12:33:574
111391280,0ptp4l25574-21diskmemload10:05:164
111391280,0ptp4l0-21swapper/410:35:224
111391280,0ptp4l0-21swapper/012:20:400
111391280,0ptp4l0-21swapper/012:19:430
111391280,0ptp4l0-21swapper/011:51:430
111391280,0ptp4l0-21swapper/011:32:230
111391270,1ptp4l49-21ksoftirqd/409:50:284
111391270,0ptp4l0-21swapper/710:23:217
111391270,0ptp4l0-21swapper/412:29:464
111391270,0ptp4l0-21swapper/412:21:324
111391270,0ptp4l0-21swapper/412:12:504
111391270,0ptp4l0-21swapper/411:48:074
111391270,0ptp4l0-21swapper/411:41:284
111391270,0ptp4l0-21swapper/411:00:294
111391270,0ptp4l0-21swapper/409:11:014
111391270,0ptp4l0-21swapper/309:49:273
111391270,0ptp4l0-21swapper/110:15:241
111391270,0ptp4l0-21swapper/012:02:210
111391270,0ptp4l0-21swapper/011:20:010
111391270,0ptp4l0-21swapper/011:13:290
111391270,0ptp4l0-21swapper/010:51:080
111391260,1ptp4l32524-21chrt08:12:574
111391260,1ptp4l0-21swapper/511:44:555
111391260,0ptp4l0-21swapper/710:56:297
111391260,0ptp4l0-21swapper/509:47:205
111391260,0ptp4l0-21swapper/411:56:124
111391260,0ptp4l0-21swapper/411:52:124
111391260,0ptp4l0-21swapper/411:37:134
111391260,0ptp4l0-21swapper/411:32:474
111391260,0ptp4l0-21swapper/411:29:474
111391260,0ptp4l0-21swapper/410:19:074
111391260,0ptp4l0-21swapper/410:00:004
111391260,0ptp4l0-21swapper/409:59:594
111391260,0ptp4l0-21swapper/409:37:444
111391260,0ptp4l0-21swapper/408:55:204
111391260,0ptp4l0-21swapper/407:45:214
111391260,0ptp4l0-21swapper/310:56:533
111391260,0ptp4l0-21swapper/111:12:051
111391260,0ptp4l0-21swapper/110:37:321
111391260,0ptp4l0-21swapper/109:22:291
111391260,0ptp4l0-21swapper/012:26:170
111391260,0ptp4l0-21swapper/011:03:120
111391260,0ptp4l0-21swapper/009:45:130
111391260,0ptp4l0-21swapper/009:34:550
111391260,0ptp4l0-21swapper/009:28:560
111391250,2ptp4l0-21swapper/411:18:324
111391250,0ptp4l0-21swapper/712:35:467
111391250,0ptp4l0-21swapper/712:35:467
111391250,0ptp4l0-21swapper/511:12:505
111391250,0ptp4l0-21swapper/509:25:555
111391250,0ptp4l0-21swapper/412:05:144
111391250,0ptp4l0-21swapper/409:34:194
111391250,0ptp4l0-21swapper/409:00:124
111391250,0ptp4l0-21swapper/312:36:023
111391250,0ptp4l0-21swapper/312:36:013
111391250,0ptp4l0-21swapper/310:25:183
111391250,0ptp4l0-21swapper/209:45:292
111391250,0ptp4l0-21swapper/112:39:111
111391250,0ptp4l0-21swapper/112:39:101
111391250,0ptp4l0-21swapper/112:27:091
111391250,0ptp4l0-21swapper/110:30:301
111391250,0ptp4l0-21swapper/108:30:011
111391250,0ptp4l0-21swapper/012:37:300
111391250,0ptp4l0-21swapper/012:37:300
111391250,0ptp4l0-21swapper/010:56:020
111391250,0ptp4l0-21swapper/010:38:010
111391250,0ptp4l0-21swapper/010:05:170
111391250,0ptp4l0-21swapper/009:44:220
111391250,0ptp4l0-21swapper/008:10:200
111391250,0ptp4l0-21swapper/007:10:180
111391240,2ptp4l0-21swapper/510:39:545
111391240,1ptp4l5688-21ls11:45:151
111391240,1ptp4l4099-21if_err_virbr0-n10:10:144
111391240,1ptp4l26470-21missed_timers12:15:144
111391240,1ptp4l26446-21ssh11:29:590
111391240,1ptp4l1611-21df_inode11:40:121
111391240,0ptp4l0-21swapper/712:31:277
111391240,0ptp4l0-21swapper/710:07:097
111391240,0ptp4l0-21swapper/512:35:005
111391240,0ptp4l0-21swapper/511:50:165
111391240,0ptp4l0-21swapper/509:05:125
111391240,0ptp4l0-21swapper/507:45:185
111391240,0ptp4l0-21swapper/412:38:004
111391240,0ptp4l0-21swapper/412:37:594
111391240,0ptp4l0-21swapper/411:14:274
111391240,0ptp4l0-21swapper/410:04:264
111391240,0ptp4l0-21swapper/409:45:164
111391240,0ptp4l0-21swapper/409:26:294
111391240,0ptp4l0-21swapper/409:21:394
111391240,0ptp4l0-21swapper/409:17:024
111391240,0ptp4l0-21swapper/407:50:174
111391240,0ptp4l0-21swapper/407:35:004
111391240,0ptp4l0-21swapper/110:42:271
111391240,0ptp4l0-21swapper/110:26:291
111391240,0ptp4l0-21swapper/108:40:131
111391240,0ptp4l0-21swapper/012:07:010
111391240,0ptp4l0-21swapper/011:44:490
111391240,0ptp4l0-21swapper/011:35:100
111391240,0ptp4l0-21swapper/011:15:150
111391240,0ptp4l0-21swapper/010:20:110
111391240,0ptp4l0-21swapper/010:01:450
111391240,0ptp4l0-21swapper/009:53:560
111391240,0ptp4l0-21swapper/009:16:200
111391240,0ptp4l0-21swapper/007:30:110
111391230,1ptp4l6221-21grep08:25:154
111391230,1ptp4l25-21ksoftirqd/110:54:431
111391230,0ptp4l3316-21fw_forwarded_lo08:20:114
111391230,0ptp4l23552-21uptime09:50:201
111391230,0ptp4l0-21swapper/511:45:115
111391230,0ptp4l0-21swapper/510:40:125
111391230,0ptp4l0-21swapper/510:30:005
111391230,0ptp4l0-21swapper/510:29:595
111391230,0ptp4l0-21swapper/510:21:315
111391230,0ptp4l0-21swapper/509:55:215
111391230,0ptp4l0-21swapper/509:55:215
111391230,0ptp4l0-21swapper/509:50:195
111391230,0ptp4l0-21swapper/509:35:535
111391230,0ptp4l0-21swapper/509:20:205
111391230,0ptp4l0-21swapper/508:40:175
111391230,0ptp4l0-21swapper/410:50:314
111391230,0ptp4l0-21swapper/410:40:414
111391230,0ptp4l0-21swapper/408:35:204
111391230,0ptp4l0-21swapper/408:00:124
111391230,0ptp4l0-21swapper/407:55:124
111391230,0ptp4l0-21swapper/407:35:154
111391230,0ptp4l0-21swapper/407:25:204
111391230,0ptp4l0-21swapper/112:05:021
111391230,0ptp4l0-21swapper/111:50:221
111391230,0ptp4l0-21swapper/111:24:591
111391230,0ptp4l0-21swapper/111:08:551
111391230,0ptp4l0-21swapper/109:59:021
111391230,0ptp4l0-21swapper/109:59:011
111391230,0ptp4l0-21swapper/109:31:021
111391230,0ptp4l0-21swapper/109:25:171
111391230,0ptp4l0-21swapper/109:13:571
111391230,0ptp4l0-21swapper/109:05:171
111391230,0ptp4l0-21swapper/108:05:181
111391230,0ptp4l0-21swapper/107:40:191
111391230,0ptp4l0-21swapper/010:40:450
111391230,0ptp4l0-21swapper/010:10:180
111391230,0ptp4l0-21swapper/009:36:500
111391230,0ptp4l0-21swapper/009:24:160
111391230,0ptp4l0-21swapper/009:00:120
111391230,0ptp4l0-21swapper/008:55:120
111391230,0ptp4l0-21swapper/008:45:180
111391230,0ptp4l0-21swapper/008:35:160
111391230,0ptp4l0-21swapper/008:00:140
111391230,0ptp4l0-21swapper/007:50:160
111391230,0ptp4l0-21swapper/007:45:200
111391220,0ptp4l0-21swapper/712:21:577
111391220,0ptp4l0-21swapper/710:25:137
111391220,0ptp4l0-21swapper/710:12:357
111391220,0ptp4l0-21swapper/709:49:277
111391220,0ptp4l0-21swapper/707:32:447
111391220,0ptp4l0-21swapper/512:26:485
111391220,0ptp4l0-21swapper/512:15:455
111391220,0ptp4l0-21swapper/512:10:005
111391220,0ptp4l0-21swapper/512:06:195
111391220,0ptp4l0-21swapper/512:04:585
111391220,0ptp4l0-21swapper/511:28:345
111391220,0ptp4l0-21swapper/511:23:275
111391220,0ptp4l0-21swapper/511:16:315
111391220,0ptp4l0-21swapper/511:05:135
111391220,0ptp4l0-21swapper/510:50:115
111391220,0ptp4l0-21swapper/510:15:015
111391220,0ptp4l0-21swapper/510:07:555
111391220,0ptp4l0-21swapper/510:03:555
111391220,0ptp4l0-21swapper/509:30:525
111391220,0ptp4l0-21swapper/509:17:105
111391220,0ptp4l0-21swapper/509:14:095
111391220,0ptp4l0-21swapper/508:35:015
111391220,0ptp4l0-21swapper/508:05:215
111391220,0ptp4l0-21swapper/507:40:015
111391220,0ptp4l0-21swapper/507:15:015
111391220,0ptp4l0-21swapper/507:10:145
111391220,0ptp4l0-21swapper/411:08:034
111391220,0ptp4l0-21swapper/410:20:134
111391220,0ptp4l0-21swapper/408:50:154
111391220,0ptp4l0-21swapper/408:30:124
111391220,0ptp4l0-21swapper/408:15:164
111391220,0ptp4l0-21swapper/407:20:114
111391220,0ptp4l0-21swapper/407:20:114
111391220,0ptp4l0-21swapper/407:10:114
111391220,0ptp4l0-21swapper/312:30:163
111391220,0ptp4l0-21swapper/310:13:513
111391220,0ptp4l0-21swapper/309:51:213
111391220,0ptp4l0-21swapper/210:14:402
111391220,0ptp4l0-21swapper/209:29:472
111391220,0ptp4l0-21swapper/112:31:371
111391220,0ptp4l0-21swapper/112:16:271
111391220,0ptp4l0-21swapper/112:12:341
111391220,0ptp4l0-21swapper/111:17:101
111391220,0ptp4l0-21swapper/110:21:511
111391220,0ptp4l0-21swapper/110:10:541
111391220,0ptp4l0-21swapper/110:08:181
111391220,0ptp4l0-21swapper/110:03:331
111391220,0ptp4l0-21swapper/109:46:511
111391220,0ptp4l0-21swapper/109:40:221
111391220,0ptp4l0-21swapper/109:35:571
111391220,0ptp4l0-21swapper/109:17:071
111391220,0ptp4l0-21swapper/109:00:521
111391220,0ptp4l0-21swapper/108:15:191
111391220,0ptp4l0-21swapper/107:20:511
111391220,0ptp4l0-21swapper/107:20:511
111391220,0ptp4l0-21swapper/107:15:011
111391220,0ptp4l0-21swapper/011:55:120
111391220,0ptp4l0-21swapper/011:45:540
111391220,0ptp4l0-21swapper/011:05:220
111391220,0ptp4l0-21swapper/010:31:550
111391220,0ptp4l0-21swapper/010:19:310
111391220,0ptp4l0-21swapper/008:50:220
111391220,0ptp4l0-21swapper/008:30:150
111391220,0ptp4l0-21swapper/008:25:130
111391220,0ptp4l0-21swapper/008:20:190
111391220,0ptp4l0-21swapper/008:15:120
111391220,0ptp4l0-21swapper/007:35:140
111391220,0ptp4l0-21swapper/007:20:190
111391220,0ptp4l0-21swapper/007:20:190
111391220,0ptp4l0-21swapper/007:15:120
111391210,0ptp4l2205-21ssh10:07:043
111391210,0ptp4l0-21swapper/710:54:317
111391210,0ptp4l0-21swapper/609:39:596
111391210,0ptp4l0-21swapper/512:24:135
111391210,0ptp4l0-21swapper/511:56:275
111391210,0ptp4l0-21swapper/511:35:355
111391210,0ptp4l0-21swapper/511:32:005
111391210,0ptp4l0-21swapper/510:10:595
111391210,0ptp4l0-21swapper/509:40:255
111391210,0ptp4l0-21swapper/509:01:005
111391210,0ptp4l0-21swapper/508:25:175
111391210,0ptp4l0-21swapper/508:16:555
111391210,0ptp4l0-21swapper/507:39:555
111391210,0ptp4l0-21swapper/312:22:063
111391210,0ptp4l0-21swapper/311:02:383
111391210,0ptp4l0-21swapper/310:22:473
111391210,0ptp4l0-21swapper/212:05:252
111391210,0ptp4l0-21swapper/211:39:382
111391210,0ptp4l0-21swapper/112:24:111
111391210,0ptp4l0-21swapper/111:56:311
111391210,0ptp4l0-21swapper/111:04:571
111391210,0ptp4l0-21swapper/110:45:401
111391210,0ptp4l0-21swapper/107:45:171
111391210,0ptp4l0-21swapper/012:34:120
111391210,0ptp4l0-21swapper/007:25:110
111391200,0ptp4l0-21swapper/711:16:507
111391200,0ptp4l0-21swapper/711:02:367
111391200,0ptp4l0-21swapper/710:49:557
111391200,0ptp4l0-21swapper/709:51:427
111391200,0ptp4l0-21swapper/708:13:527
111391200,0ptp4l0-21swapper/511:04:195
111391200,0ptp4l0-21swapper/510:45:355
111391200,0ptp4l0-21swapper/409:07:114
111391200,0ptp4l0-21swapper/408:43:094
111391200,0ptp4l0-21swapper/310:50:043
111391200,0ptp4l0-21swapper/310:49:593
111391200,0ptp4l0-21swapper/210:09:152
111391200,0ptp4l0-21swapper/111:34:271
111391200,0ptp4l0-21swapper/108:45:011
111391200,0ptp4l0-21swapper/108:34:551
111391200,0ptp4l0-21swapper/107:53:551
111391200,0ptp4l0-21swapper/107:12:551
111391200,0ptp4l0-21swapper/009:09:260
155572190,0sleep20-21swapper/212:00:132
111391190,0ptp4l0-21swapper/508:52:085
111391190,0ptp4l0-21swapper/507:22:555
111391190,0ptp4l0-21swapper/507:22:555
111391190,0ptp4l0-21swapper/408:07:224
111391190,0ptp4l0-21swapper/309:44:283
111391190,0ptp4l0-21swapper/210:46:082
111391190,0ptp4l0-21swapper/112:02:381
111391190,0ptp4l0-21swapper/111:35:381
111391190,0ptp4l0-21swapper/008:43:550
111391190,0ptp4l0-21swapper/008:07:030
192332180,0sleep60-21swapper/608:55:116
111391180,0ptp4l0-21swapper/712:27:367
111391180,0ptp4l0-21swapper/610:20:296
111391180,0ptp4l0-21swapper/508:47:555
111391180,0ptp4l0-21swapper/312:27:353
111391180,0ptp4l0-21swapper/311:55:283
111391180,0ptp4l0-21swapper/311:33:303
111391180,0ptp4l0-21swapper/108:13:311
111391180,0ptp4l0-21swapper/108:02:511
111391170,0ptp4l0-21swapper/711:33:297
111391170,0ptp4l0-21swapper/311:16:503
111391170,0ptp4l0-21swapper/209:39:582
111391170,0ptp4l0-21swapper/110:55:521
111391170,0ptp4l0-21swapper/108:21:011
111391160,0ptp4l0-21swapper/711:48:527
111391160,0ptp4l0-21swapper/510:55:525
111391160,0ptp4l0-21swapper/508:01:355
111391160,0ptp4l0-21swapper/507:50:065
111391160,0ptp4l0-21swapper/309:18:343
111391160,0ptp4l0-21swapper/209:02:292
111391160,0ptp4l0-21swapper/108:59:151
111391160,0ptp4l0-21swapper/108:36:401
111391160,0ptp4l0-21swapper/107:57:421
111391160,0ptp4l0-21swapper/107:39:511
111391150,0ptp4l0-21swapper/712:08:167
111391150,0ptp4l0-21swapper/707:26:237
111391150,0ptp4l0-21swapper/610:14:416
111391150,0ptp4l0-21swapper/608:53:346
111391150,0ptp4l0-21swapper/608:03:316
111391150,0ptp4l0-21swapper/607:52:126
111391150,0ptp4l0-21swapper/607:24:336
111391150,0ptp4l0-21swapper/607:24:326
111391150,0ptp4l0-21swapper/508:58:215
111391150,0ptp4l0-21swapper/508:31:195
111391150,0ptp4l0-21swapper/508:21:075
111391150,0ptp4l0-21swapper/508:13:125
111391150,0ptp4l0-21swapper/507:57:225
111391150,0ptp4l0-21swapper/507:34:205
111391150,0ptp4l0-21swapper/507:27:025
111391150,0ptp4l0-21swapper/407:40:494
111391150,0ptp4l0-21swapper/307:32:403
111391150,0ptp4l0-21swapper/307:26:283
111391150,0ptp4l0-21swapper/210:44:562
111391150,0ptp4l0-21swapper/209:57:092
111391150,0ptp4l0-21swapper/209:57:092
111391150,0ptp4l0-21swapper/207:28:152
111391150,0ptp4l0-21swapper/108:50:321
111391150,0ptp4l0-21swapper/107:34:461
111391150,0ptp4l0-21swapper/107:26:591
111391150,0ptp4l0-21swapper/007:40:210
111391140,0ptp4l0-21swapper/711:55:277
111391140,0ptp4l0-21swapper/709:44:297
111391140,0ptp4l0-21swapper/709:18:357
111391140,0ptp4l0-21swapper/607:48:136
111391140,0ptp4l0-21swapper/607:35:036
111391140,0ptp4l0-21swapper/312:08:173
111391140,0ptp4l0-21swapper/311:48:523
111391140,0ptp4l0-21swapper/211:30:142
111391140,0ptp4l0-21swapper/210:20:282
111391140,0ptp4l0-21swapper/210:01:052
111391140,0ptp4l0-21swapper/209:40:592
111391140,0ptp4l0-21swapper/209:07:512
111391140,0ptp4l0-21swapper/208:53:342
111391140,0ptp4l0-21swapper/208:42:122
111391140,0ptp4l0-21swapper/208:28:442
111391140,0ptp4l0-21swapper/208:03:302
111391140,0ptp4l0-21swapper/207:52:122
111391140,0ptp4l0-21swapper/207:48:122
111391140,0ptp4l0-21swapper/207:35:022
111391140,0ptp4l0-21swapper/207:24:302
111391140,0ptp4l0-21swapper/207:24:302
2484991210,1cyclictest0-21swapper/711:05:197
244899120,1cyclictest0-21swapper/208:30:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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