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2026-09-01 - 16:18

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 Tue Sep 01, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,30ptp4l0-21swapper/207:08:332
111391630,31ptp4l0-21swapper/107:09:261
111391610,30ptp4l0-21swapper/007:08:350
926025432,7sleep70-21swapper/707:09:217
152852540,0sleep50-21swapper/510:15:175
1881915332,6phc2sys0-21swapper/607:06:346
111391530,12ptp4l0-21swapper/507:07:275
926625039,6sleep40-21swapper/407:09:264
907724736,7sleep30-21swapper/307:07:013
111391350,6ptp4l0-21swapper/407:15:014
111391320,1ptp4l12633-21ssh10:58:544
111391310,0ptp4l0-21swapper/012:26:250
111391310,0ptp4l0-21swapper/009:29:220
111391300,0ptp4l0-21swapper/510:44:175
111391300,0ptp4l0-21swapper/509:13:475
111391300,0ptp4l0-21swapper/410:06:464
111391300,0ptp4l0-21swapper/010:35:160
9618992912,13cyclictest0-21swapper/512:05:265
111391290,0ptp4l0-21swapper/508:25:005
111391290,0ptp4l0-21swapper/412:07:244
111391290,0ptp4l0-21swapper/410:26:444
111391290,0ptp4l0-21swapper/409:15:504
111391290,0ptp4l0-21swapper/012:12:240
111391290,0ptp4l0-21swapper/011:56:190
111391290,0ptp4l0-21swapper/011:01:240
111391280,2ptp4l0-21swapper/412:25:064
111391280,0ptp4l23282-21ssh11:14:334
111391280,0ptp4l0-21swapper/711:48:107
111391280,0ptp4l0-21swapper/512:30:005
111391280,0ptp4l0-21swapper/509:40:505
111391280,0ptp4l0-21swapper/411:58:504
111391280,0ptp4l0-21swapper/411:04:084
111391280,0ptp4l0-21swapper/409:52:234
111391280,0ptp4l0-21swapper/409:48:334
111391280,0ptp4l0-21swapper/409:35:314
111391280,0ptp4l0-21swapper/409:28:094
111391280,0ptp4l0-21swapper/311:16:083
111391280,0ptp4l0-21swapper/011:34:220
111391280,0ptp4l0-21swapper/010:47:340
111391280,0ptp4l0-21swapper/010:23:100
111391280,0ptp4l0-21swapper/010:02:100
111391280,0ptp4l0-21swapper/009:55:170
111391270,0ptp4l0-21swapper/708:55:117
111391270,0ptp4l0-21swapper/511:47:065
111391270,0ptp4l0-21swapper/511:24:455
111391270,0ptp4l0-21swapper/510:57:535
111391270,0ptp4l0-21swapper/412:35:294
111391270,0ptp4l0-21swapper/412:14:334
111391270,0ptp4l0-21swapper/411:40:174
111391270,0ptp4l0-21swapper/411:40:174
111391270,0ptp4l0-21swapper/410:43:314
111391270,0ptp4l0-21swapper/409:32:314
111391270,0ptp4l0-21swapper/409:11:484
111391270,0ptp4l0-21swapper/311:48:223
111391270,0ptp4l0-21swapper/112:10:171
111391270,0ptp4l0-21swapper/011:37:060
111391270,0ptp4l0-21swapper/010:34:430
111391270,0ptp4l0-21swapper/010:28:430
111391270,0ptp4l0-21swapper/008:32:280
111391260,3ptp4l0-21swapper/610:56:226
111391260,3ptp4l0-21swapper/411:52:534
111391260,1ptp4l391-21cut09:55:114
111391260,0ptp4l85250irq/31-eno1-rx-11:35:105
111391260,0ptp4l0-21swapper/609:17:436
111391260,0ptp4l0-21swapper/511:34:035
111391260,0ptp4l0-21swapper/411:33:244
111391260,0ptp4l0-21swapper/410:54:084
111391260,0ptp4l0-21swapper/410:36:454
111391260,0ptp4l0-21swapper/410:31:544
111391260,0ptp4l0-21swapper/409:23:064
111391260,0ptp4l0-21swapper/210:38:052
111391260,0ptp4l0-21swapper/112:21:101
111391260,0ptp4l0-21swapper/012:08:010
111391260,0ptp4l0-21swapper/011:17:110
111391260,0ptp4l0-21swapper/011:08:100
111391260,0ptp4l0-21swapper/010:59:490
111391260,0ptp4l0-21swapper/010:42:360
111391260,0ptp4l0-21swapper/009:41:280
111391260,0ptp4l0-21swapper/009:39:370
111391250,2ptp4l15617-21irqrtprio09:30:150
111391250,1ptp4l21881-21fw_conntrack08:45:114
111391250,0ptp4l0-21swapper/412:23:044
111391250,0ptp4l0-21swapper/411:25:204
111391250,0ptp4l0-21swapper/410:11:344
111391250,0ptp4l0-21swapper/410:04:564
111391250,0ptp4l0-21swapper/407:40:204
111391250,0ptp4l0-21swapper/012:23:460
111391250,0ptp4l0-21swapper/012:05:010
111391250,0ptp4l0-21swapper/011:41:050
111391250,0ptp4l0-21swapper/011:41:040
111391250,0ptp4l0-21swapper/010:53:580
111391250,0ptp4l0-21swapper/010:15:160
111391250,0ptp4l0-21swapper/009:18:540
961899240,19cyclictest0-21swapper/511:58:265
111391240,1ptp4l49-21ksoftirqd/409:40:104
111391240,1ptp4l27607-21sed07:45:215
111391240,1ptp4l25-21ksoftirqd/112:20:001
111391240,1ptp4l24272-21cpuspeed_turbos07:40:120
111391240,0ptp4l0-21swapper/612:05:366
111391240,0ptp4l0-21swapper/512:10:195
111391240,0ptp4l0-21swapper/511:26:315
111391240,0ptp4l0-21swapper/510:45:125
111391240,0ptp4l0-21swapper/508:38:135
111391240,0ptp4l0-21swapper/410:20:204
111391240,0ptp4l0-21swapper/408:51:194
111391240,0ptp4l0-21swapper/408:30:134
111391240,0ptp4l0-21swapper/310:25:173
111391240,0ptp4l0-21swapper/212:30:572
111391240,0ptp4l0-21swapper/209:27:482
111391240,0ptp4l0-21swapper/112:10:001
111391240,0ptp4l0-21swapper/110:57:481
111391240,0ptp4l0-21swapper/110:51:541
111391240,0ptp4l0-21swapper/110:45:131
111391240,0ptp4l0-21swapper/110:07:121
111391240,0ptp4l0-21swapper/107:45:211
111391240,0ptp4l0-21swapper/012:15:130
111391240,0ptp4l0-21swapper/011:13:330
111391240,0ptp4l0-21swapper/010:10:300
111391240,0ptp4l0-21swapper/009:51:240
111391240,0ptp4l0-21swapper/009:45:130
961299230,0cyclictest0-21swapper/408:13:054
111391230,1ptp4l29455-21ssh11:21:470
111391230,1ptp4l12990-21ssh12:30:210
111391230,1ptp4l1245-21df12:15:114
111391230,0ptp4l32686-21diskmemload10:25:161
111391230,0ptp4l0-21swapper/710:50:197
111391230,0ptp4l0-21swapper/608:15:226
111391230,0ptp4l0-21swapper/512:20:105
111391230,0ptp4l0-21swapper/511:40:035
111391230,0ptp4l0-21swapper/511:40:035
111391230,0ptp4l0-21swapper/510:26:175
111391230,0ptp4l0-21swapper/509:37:275
111391230,0ptp4l0-21swapper/412:00:214
111391230,0ptp4l0-21swapper/411:35:204
111391230,0ptp4l0-21swapper/411:15:164
111391230,0ptp4l0-21swapper/411:08:134
111391230,0ptp4l0-21swapper/410:45:184
111391230,0ptp4l0-21swapper/409:05:154
111391230,0ptp4l0-21swapper/409:05:144
111391230,0ptp4l0-21swapper/408:25:134
111391230,0ptp4l0-21swapper/408:05:154
111391230,0ptp4l0-21swapper/408:00:164
111391230,0ptp4l0-21swapper/407:50:204
111391230,0ptp4l0-21swapper/407:30:184
111391230,0ptp4l0-21swapper/310:50:123
111391230,0ptp4l0-21swapper/308:55:163
111391230,0ptp4l0-21swapper/211:45:142
111391230,0ptp4l0-21swapper/210:07:472
111391230,0ptp4l0-21swapper/209:47:362
111391230,0ptp4l0-21swapper/208:15:212
111391230,0ptp4l0-21swapper/111:58:241
111391230,0ptp4l0-21swapper/111:20:191
111391230,0ptp4l0-21swapper/108:40:121
111391230,0ptp4l0-21swapper/108:35:141
111391230,0ptp4l0-21swapper/108:20:161
111391230,0ptp4l0-21swapper/108:10:151
111391230,0ptp4l0-21swapper/012:35:120
111391230,0ptp4l0-21swapper/011:51:560
111391230,0ptp4l0-21swapper/011:49:370
111391230,0ptp4l0-21swapper/011:25:590
111391230,0ptp4l0-21swapper/010:05:120
111391230,0ptp4l0-21swapper/009:12:370
111391230,0ptp4l0-21swapper/008:50:120
111391230,0ptp4l0-21swapper/008:20:150
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/008:00:170
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:50:120
111391230,0ptp4l0-21swapper/007:25:190
111391230,0ptp4l0-21swapper/007:22:330
111391220,1ptp4l25-21ksoftirqd/110:16:061
111391220,1ptp4l20065-21ps07:30:165
111391220,1ptp4l10806-21processes07:10:170
111391220,0ptp4l32686-21diskmemload09:30:201
111391220,0ptp4l0-21swapper/711:16:077
111391220,0ptp4l0-21swapper/710:25:167
111391220,0ptp4l0-21swapper/612:26:526
111391220,0ptp4l0-21swapper/612:18:286
111391220,0ptp4l0-21swapper/612:14:556
111391220,0ptp4l0-21swapper/611:55:316
111391220,0ptp4l0-21swapper/611:45:126
111391220,0ptp4l0-21swapper/611:29:456
111391220,0ptp4l0-21swapper/610:35:146
111391220,0ptp4l0-21swapper/610:07:476
111391220,0ptp4l0-21swapper/607:10:016
111391220,0ptp4l0-21swapper/512:35:015
111391220,0ptp4l0-21swapper/512:30:035
111391220,0ptp4l0-21swapper/511:53:475
111391220,0ptp4l0-21swapper/511:19:325
111391220,0ptp4l0-21swapper/511:00:135
111391220,0ptp4l0-21swapper/510:50:475
111391220,0ptp4l0-21swapper/510:37:105
111391220,0ptp4l0-21swapper/510:12:265
111391220,0ptp4l0-21swapper/509:58:275
111391220,0ptp4l0-21swapper/509:07:435
111391220,0ptp4l0-21swapper/509:07:435
111391220,0ptp4l0-21swapper/508:50:175
111391220,0ptp4l0-21swapper/508:10:115
111391220,0ptp4l0-21swapper/508:08:305
111391220,0ptp4l0-21swapper/507:55:115
111391220,0ptp4l0-21swapper/507:29:415
111391220,0ptp4l0-21swapper/412:30:164
111391220,0ptp4l0-21swapper/411:49:304
111391220,0ptp4l0-21swapper/410:15:154
111391220,0ptp4l0-21swapper/409:00:134
111391220,0ptp4l0-21swapper/408:35:234
111391220,0ptp4l0-21swapper/408:20:134
111391220,0ptp4l0-21swapper/407:35:124
111391220,0ptp4l0-21swapper/407:25:134
111391220,0ptp4l0-21swapper/407:10:174
111391220,0ptp4l0-21swapper/310:18:083
111391220,0ptp4l0-21swapper/308:55:003
111391220,0ptp4l0-21swapper/212:12:462
111391220,0ptp4l0-21swapper/212:05:322
111391220,0ptp4l0-21swapper/211:39:342
111391220,0ptp4l0-21swapper/211:23:562
111391220,0ptp4l0-21swapper/210:04:402
111391220,0ptp4l0-21swapper/208:07:322
111391220,0ptp4l0-21swapper/112:32:311
111391220,0ptp4l0-21swapper/111:53:491
111391220,0ptp4l0-21swapper/111:35:131
111391220,0ptp4l0-21swapper/111:34:081
111391220,0ptp4l0-21swapper/111:17:051
111391220,0ptp4l0-21swapper/111:12:071
111391220,0ptp4l0-21swapper/110:42:091
111391220,0ptp4l0-21swapper/110:37:081
111391220,0ptp4l0-21swapper/110:24:361
111391220,0ptp4l0-21swapper/108:50:171
111391220,0ptp4l0-21swapper/108:45:161
111391220,0ptp4l0-21swapper/107:55:101
111391220,0ptp4l0-21swapper/107:30:161
111391220,0ptp4l0-21swapper/009:20:140
111391220,0ptp4l0-21swapper/009:00:090
111391220,0ptp4l0-21swapper/009:00:010
111391220,0ptp4l0-21swapper/008:45:130
111391220,0ptp4l0-21swapper/008:44:000
111391220,0ptp4l0-21swapper/008:35:210
111391220,0ptp4l0-21swapper/008:25:150
111391220,0ptp4l0-21swapper/008:11:310
111391220,0ptp4l0-21swapper/007:50:000
111391220,0ptp4l0-21swapper/007:35:130
111391220,0ptp4l0-21swapper/007:30:160
111391220,0ptp4l0-21swapper/007:15:180
111391210,0ptp4l7837-21ssh11:37:336
111391210,0ptp4l33-21ksoftirqd/209:11:182
111391210,0ptp4l0-21swapper/710:18:157
111391210,0ptp4l0-21swapper/708:54:497
111391210,0ptp4l0-21swapper/612:31:016
111391210,0ptp4l0-21swapper/610:26:556
111391210,0ptp4l0-21swapper/609:30:296
111391210,0ptp4l0-21swapper/609:28:326
111391210,0ptp4l0-21swapper/511:12:035
111391210,0ptp4l0-21swapper/510:21:495
111391210,0ptp4l0-21swapper/510:01:335
111391210,0ptp4l0-21swapper/509:34:525
111391210,0ptp4l0-21swapper/509:22:135
111391210,0ptp4l0-21swapper/509:16:375
111391210,0ptp4l0-21swapper/508:45:175
111391210,0ptp4l0-21swapper/507:10:115
111391210,0ptp4l0-21swapper/411:20:424
111391210,0ptp4l0-21swapper/408:55:194
111391210,0ptp4l0-21swapper/408:40:274
111391210,0ptp4l0-21swapper/211:29:362
111391210,0ptp4l0-21swapper/211:00:322
111391210,0ptp4l0-21swapper/210:31:032
111391210,0ptp4l0-21swapper/210:27:052
111391210,0ptp4l0-21swapper/209:56:542
111391210,0ptp4l0-21swapper/209:30:552
111391210,0ptp4l0-21swapper/209:17:412
111391210,0ptp4l0-21swapper/112:35:061
111391210,0ptp4l0-21swapper/112:27:031
111391210,0ptp4l0-21swapper/112:01:121
111391210,0ptp4l0-21swapper/111:47:231
111391210,0ptp4l0-21swapper/111:26:451
111391210,0ptp4l0-21swapper/111:03:271
111391210,0ptp4l0-21swapper/110:32:161
111391210,0ptp4l0-21swapper/110:11:421
111391210,0ptp4l0-21swapper/110:01:271
111391210,0ptp4l0-21swapper/109:57:591
111391210,0ptp4l0-21swapper/109:46:171
111391210,0ptp4l0-21swapper/109:37:291
111391210,0ptp4l0-21swapper/109:26:581
111391210,0ptp4l0-21swapper/109:23:041
111391210,0ptp4l0-21swapper/109:16:421
111391210,0ptp4l0-21swapper/109:12:011
111391210,0ptp4l0-21swapper/107:10:131
111391210,0ptp4l0-21swapper/009:05:130
111391210,0ptp4l0-21swapper/009:05:130
111391210,0ptp4l0-21swapper/008:17:590
111391200,0ptp4l0-21swapper/712:39:087
111391200,0ptp4l0-21swapper/710:49:577
111391200,0ptp4l0-21swapper/709:43:587
111391200,0ptp4l0-21swapper/610:54:126
111391200,0ptp4l0-21swapper/609:23:536
111391200,0ptp4l0-21swapper/609:11:196
111391200,0ptp4l0-21swapper/512:18:245
111391200,0ptp4l0-21swapper/512:00:055
111391200,0ptp4l0-21swapper/510:32:125
111391200,0ptp4l0-21swapper/510:07:135
111391200,0ptp4l0-21swapper/509:25:235
111391200,0ptp4l0-21swapper/508:40:225
111391200,0ptp4l0-21swapper/507:50:265
111391200,0ptp4l0-21swapper/408:19:064
111391200,0ptp4l0-21swapper/407:58:204
111391200,0ptp4l0-21swapper/407:23:284
111391200,0ptp4l0-21swapper/309:43:593
111391200,0ptp4l0-21swapper/212:15:012
111391200,0ptp4l0-21swapper/211:55:292
111391200,0ptp4l0-21swapper/211:53:062
111391200,0ptp4l0-21swapper/211:17:492
111391200,0ptp4l0-21swapper/210:56:202
111391200,0ptp4l0-21swapper/209:44:592
111391200,0ptp4l0-21swapper/209:23:522
111391200,0ptp4l0-21swapper/208:42:202
111391200,0ptp4l0-21swapper/109:51:581
111391200,0ptp4l0-21swapper/108:07:191
111391200,0ptp4l0-21swapper/107:52:271
111391190,1ptp4l33-21ksoftirqd/211:44:072
111391190,1ptp4l33-21ksoftirqd/211:44:062
111391190,0ptp4l0-21swapper/709:33:357
111391190,0ptp4l0-21swapper/612:21:236
111391190,0ptp4l0-21swapper/611:51:166
111391190,0ptp4l0-21swapper/611:31:136
111391190,0ptp4l0-21swapper/611:22:266
111391190,0ptp4l0-21swapper/610:31:056
111391190,0ptp4l0-21swapper/610:04:336
111391190,0ptp4l0-21swapper/511:09:585
111391190,0ptp4l0-21swapper/407:45:164
111391190,0ptp4l0-21swapper/312:39:063
111391190,0ptp4l0-21swapper/310:49:583
111391190,0ptp4l0-21swapper/309:33:393
111391190,0ptp4l0-21swapper/111:08:341
111391190,0ptp4l0-21swapper/109:40:351
111391190,0ptp4l0-21swapper/108:19:191
111391190,0ptp4l0-21swapper/107:42:271
111391180,0ptp4l0-21swapper/611:44:086
111391180,0ptp4l0-21swapper/611:44:076
111391180,0ptp4l0-21swapper/610:44:036
111391180,0ptp4l0-21swapper/509:46:205
111391180,0ptp4l0-21swapper/508:24:195
111391180,0ptp4l0-21swapper/508:01:165
111391180,0ptp4l0-21swapper/507:17:195
111391180,0ptp4l0-21swapper/212:26:572
111391180,0ptp4l0-21swapper/210:54:122
111391180,0ptp4l0-21swapper/210:44:022
111391180,0ptp4l0-21swapper/210:21:572
111391180,0ptp4l0-21swapper/207:31:552
111391180,0ptp4l0-21swapper/111:40:071
111391180,0ptp4l0-21swapper/111:40:071
111391170,0ptp4l27953-21rm09:47:376
111391170,0ptp4l0-21swapper/608:29:446
111391170,0ptp4l0-21swapper/311:09:173
111391170,0ptp4l0-21swapper/108:34:121
111391170,0ptp4l0-21swapper/107:18:571
111391160,1ptp4l33-21ksoftirqd/208:46:302
111391160,0ptp4l0-21swapper/711:09:187
111391160,0ptp4l0-21swapper/611:00:326
111391160,0ptp4l0-21swapper/509:52:155
111391160,0ptp4l0-21swapper/509:03:395
111391160,0ptp4l0-21swapper/508:18:505
111391160,0ptp4l0-21swapper/507:42:435
111391160,0ptp4l0-21swapper/109:07:081
111391160,0ptp4l0-21swapper/109:07:081
111391160,0ptp4l0-21swapper/108:55:571
285212150,0sleep20-21swapper/207:50:012
111391150,0ptp4l0-21swapper/708:15:327
111391150,0ptp4l0-21swapper/707:19:077
111391150,0ptp4l0-21swapper/612:00:256
111391150,0ptp4l0-21swapper/611:17:486
111391150,0ptp4l0-21swapper/610:21:586
111391150,0ptp4l0-21swapper/609:45:016
111391150,0ptp4l0-21swapper/609:09:456
111391150,0ptp4l0-21swapper/609:09:456
111391150,0ptp4l0-21swapper/608:46:326
111391150,0ptp4l0-21swapper/608:42:106
111391150,0ptp4l0-21swapper/608:12:536
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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