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2026-06-19 - 00:27

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 Jun 18, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1186926535,6sleep70-21swapper/707:09:277
318692640,1sleep125-21ksoftirqd/111:16:401
46872630,0sleep50-21swapper/509:10:185
111391620,31ptp4l0-21swapper/107:08:491
111391600,29ptp4l0-21swapper/007:08:230
1174725949,6sleep20-21swapper/207:07:542
111391590,5ptp4l0-21swapper/507:07:585
200532580,1sleep720050-21grep07:25:127
303522570,1sleep3391rcuc/311:15:133
294132570,0sleep30-21swapper/309:45:093
1184025645,6sleep40-21swapper/407:09:094
1187925533,7sleep60-21swapper/607:09:346
1160225334,7sleep30-21swapper/307:06:033
111391340,0ptp4l0-21swapper/507:50:175
111391310,2ptp4l0-21swapper/411:40:164
111391300,1ptp4l28108-21ssh09:43:025
111391300,1ptp4l18564-21latency_hist11:00:000
111391300,1ptp4l1217699cyclictest10:34:360
111391300,0ptp4l0-21swapper/512:22:545
111391290,0ptp4l0-21swapper/412:09:394
111391290,0ptp4l0-21swapper/410:11:344
111391290,0ptp4l0-21swapper/109:59:351
111391290,0ptp4l0-21swapper/107:10:091
111391290,0ptp4l0-21swapper/010:51:050
111391280,0ptp4l0-21swapper/607:20:126
111391280,0ptp4l0-21swapper/607:20:116
111391280,0ptp4l0-21swapper/409:50:214
111391280,0ptp4l0-21swapper/112:25:241
111391280,0ptp4l0-21swapper/112:24:591
111391280,0ptp4l0-21swapper/012:04:470
111391280,0ptp4l0-21swapper/011:02:440
111391280,0ptp4l0-21swapper/009:27:170
111391280,0ptp4l0-21swapper/009:23:380
111391270,2ptp4l0-21swapper/010:45:190
111391270,1ptp4l0-21swapper/407:55:184
111391270,0ptp4l0-21swapper/712:39:377
111391270,0ptp4l0-21swapper/712:39:367
111391270,0ptp4l0-21swapper/411:35:194
111391270,0ptp4l0-21swapper/411:20:334
111391270,0ptp4l0-21swapper/411:07:204
111391270,0ptp4l0-21swapper/409:21:444
111391270,0ptp4l0-21swapper/208:55:122
111391270,0ptp4l0-21swapper/111:45:441
111391270,0ptp4l0-21swapper/012:30:400
111391270,0ptp4l0-21swapper/010:35:220
111391270,0ptp4l0-21swapper/010:21:560
111391270,0ptp4l0-21swapper/009:39:480
111391270,0ptp4l0-21swapper/009:05:130
111391260,0ptp4l0-21swapper/709:12:397
111391260,0ptp4l0-21swapper/511:50:165
111391260,0ptp4l0-21swapper/511:22:445
111391260,0ptp4l0-21swapper/510:35:435
111391260,0ptp4l0-21swapper/509:57:175
111391260,0ptp4l0-21swapper/509:30:305
111391260,0ptp4l0-21swapper/411:30:134
111391260,0ptp4l0-21swapper/411:02:314
111391260,0ptp4l0-21swapper/410:47:504
111391260,0ptp4l0-21swapper/409:45:244
111391260,0ptp4l0-21swapper/409:43:074
111391260,0ptp4l0-21swapper/409:13:564
111391260,0ptp4l0-21swapper/308:25:003
111391260,0ptp4l0-21swapper/110:23:141
111391260,0ptp4l0-21swapper/012:20:120
111391260,0ptp4l0-21swapper/011:22:230
111391260,0ptp4l0-21swapper/011:11:230
111391260,0ptp4l0-21swapper/009:43:550
111391260,0ptp4l0-21swapper/009:30:360
111391250,1ptp4l6356-21ssh09:57:060
111391250,1ptp4l14454-21munin-node07:15:005
111391250,0ptp4l0-21swapper/512:36:375
111391250,0ptp4l0-21swapper/512:36:365
111391250,0ptp4l0-21swapper/512:12:415
111391250,0ptp4l0-21swapper/412:16:134
111391250,0ptp4l0-21swapper/411:13:114
111391250,0ptp4l0-21swapper/410:50:574
111391250,0ptp4l0-21swapper/410:07:194
111391250,0ptp4l0-21swapper/409:32:564
111391250,0ptp4l0-21swapper/409:15:064
111391250,0ptp4l0-21swapper/408:40:154
111391250,0ptp4l0-21swapper/011:58:470
111391250,0ptp4l0-21swapper/011:33:160
111391250,0ptp4l0-21swapper/009:45:360
111391250,0ptp4l0-21swapper/009:19:580
111391250,0ptp4l0-21swapper/009:11:490
111391240,3ptp4l18886-21kworker/1:012:38:541
111391240,3ptp4l18886-21kworker/1:012:38:541
111391240,2ptp4l321ktimersoftd/209:45:482
111391240,1ptp4l6378-21irqrtprio08:05:145
111391240,1ptp4l561ktimersoftd/510:40:595
111391240,1ptp4l30018-21/usr/sbin/munin10:30:134
111391240,1ptp4l27838-21smartctl07:40:194
111391240,1ptp4l26793-21smartctl08:50:115
111391240,1ptp4l20786-21cat08:35:181
111391240,1ptp4l20630-21grep07:25:174
111391240,1ptp4l18801-21timerandwakeup07:20:190
111391240,1ptp4l18801-21timerandwakeup07:20:180
111391240,1ptp4l17179-21unixbench_singl11:40:190
111391240,1ptp4l10063-21munin-run08:15:001
111391240,1ptp4l0-21swapper/111:55:101
111391240,0ptp4l0-21swapper/512:19:125
111391240,0ptp4l0-21swapper/511:30:435
111391240,0ptp4l0-21swapper/509:00:115
111391240,0ptp4l0-21swapper/412:30:314
111391240,0ptp4l0-21swapper/412:00:194
111391240,0ptp4l0-21swapper/411:25:094
111391240,0ptp4l0-21swapper/409:40:004
111391240,0ptp4l0-21swapper/408:20:124
111391240,0ptp4l0-21swapper/408:00:174
111391240,0ptp4l0-21swapper/309:13:163
111391240,0ptp4l0-21swapper/112:19:451
111391240,0ptp4l0-21swapper/111:28:491
111391240,0ptp4l0-21swapper/109:53:111
111391240,0ptp4l0-21swapper/109:16:491
111391240,0ptp4l0-21swapper/108:05:191
111391240,0ptp4l0-21swapper/107:55:161
111391240,0ptp4l0-21swapper/107:30:151
111391240,0ptp4l0-21swapper/012:05:020
111391240,0ptp4l0-21swapper/011:48:210
111391240,0ptp4l0-21swapper/011:35:170
111391240,0ptp4l0-21swapper/010:40:130
111391240,0ptp4l0-21swapper/008:30:170
111391240,0ptp4l0-21swapper/007:40:170
111391230,2ptp4l0-21swapper/510:49:465
111391230,2ptp4l0-21swapper/012:27:170
111391230,1ptp4l12015-21diskstats10:50:115
111391230,0ptp4l0-21swapper/708:25:127
111391230,0ptp4l0-21swapper/609:38:246
111391230,0ptp4l0-21swapper/512:33:325
111391230,0ptp4l0-21swapper/511:45:125
111391230,0ptp4l0-21swapper/511:10:165
111391230,0ptp4l0-21swapper/510:05:585
111391230,0ptp4l0-21swapper/510:00:355
111391230,0ptp4l0-21swapper/510:00:345
111391230,0ptp4l0-21swapper/509:52:045
111391230,0ptp4l0-21swapper/509:05:115
111391230,0ptp4l0-21swapper/508:55:195
111391230,0ptp4l0-21swapper/508:45:015
111391230,0ptp4l0-21swapper/508:35:145
111391230,0ptp4l0-21swapper/507:30:115
111391230,0ptp4l0-21swapper/412:10:124
111391230,0ptp4l0-21swapper/411:56:214
111391230,0ptp4l0-21swapper/410:55:204
111391230,0ptp4l0-21swapper/410:42:184
111391230,0ptp4l0-21swapper/410:35:144
111391230,0ptp4l0-21swapper/409:25:054
111391230,0ptp4l0-21swapper/408:45:134
111391230,0ptp4l0-21swapper/408:30:194
111391230,0ptp4l0-21swapper/407:50:124
111391230,0ptp4l0-21swapper/407:45:184
111391230,0ptp4l0-21swapper/407:35:194
111391230,0ptp4l0-21swapper/407:32:354
111391230,0ptp4l0-21swapper/308:25:153
111391230,0ptp4l0-21swapper/211:21:532
111391230,0ptp4l0-21swapper/111:50:201
111391230,0ptp4l0-21swapper/109:41:021
111391230,0ptp4l0-21swapper/109:30:161
111391230,0ptp4l0-21swapper/109:25:181
111391230,0ptp4l0-21swapper/109:00:181
111391230,0ptp4l0-21swapper/108:55:181
111391230,0ptp4l0-21swapper/108:50:101
111391230,0ptp4l0-21swapper/108:29:591
111391230,0ptp4l0-21swapper/107:50:171
111391230,0ptp4l0-21swapper/012:35:200
111391230,0ptp4l0-21swapper/012:35:190
111391230,0ptp4l0-21swapper/012:15:090
111391230,0ptp4l0-21swapper/011:17:460
111391230,0ptp4l0-21swapper/010:15:060
111391230,0ptp4l0-21swapper/010:10:110
111391230,0ptp4l0-21swapper/010:05:120
111391230,0ptp4l0-21swapper/009:50:110
111391230,0ptp4l0-21swapper/008:40:150
111391230,0ptp4l0-21swapper/007:45:120
111391230,0ptp4l0-21swapper/007:35:180
111391230,0ptp4l0-21swapper/007:35:000
111391230,0ptp4l0-21swapper/007:25:170
111391230,0ptp4l0-21swapper/007:15:150
111391220,1ptp4l1221399cyclictest11:18:155
111391220,0ptp4l49-21ksoftirqd/411:15:144
111391220,0ptp4l0-21swapper/709:26:157
111391220,0ptp4l0-21swapper/708:20:177
111391220,0ptp4l0-21swapper/607:55:216
111391220,0ptp4l0-21swapper/512:25:175
111391220,0ptp4l0-21swapper/511:55:095
111391220,0ptp4l0-21swapper/511:37:575
111391220,0ptp4l0-21swapper/511:07:315
111391220,0ptp4l0-21swapper/510:29:485
111391220,0ptp4l0-21swapper/510:22:525
111391220,0ptp4l0-21swapper/509:25:145
111391220,0ptp4l0-21swapper/509:16:525
111391220,0ptp4l0-21swapper/508:15:155
111391220,0ptp4l0-21swapper/508:10:125
111391220,0ptp4l0-21swapper/507:45:115
111391220,0ptp4l0-21swapper/412:35:114
111391220,0ptp4l0-21swapper/412:35:104
111391220,0ptp4l0-21swapper/412:25:344
111391220,0ptp4l0-21swapper/412:20:014
111391220,0ptp4l0-21swapper/411:51:504
111391220,0ptp4l0-21swapper/411:46:284
111391220,0ptp4l0-21swapper/410:25:144
111391220,0ptp4l0-21swapper/410:20:164
111391220,0ptp4l0-21swapper/410:15:154
111391220,0ptp4l0-21swapper/410:00:174
111391220,0ptp4l0-21swapper/410:00:164
111391220,0ptp4l0-21swapper/409:55:134
111391220,0ptp4l0-21swapper/409:05:124
111391220,0ptp4l0-21swapper/409:05:004
111391220,0ptp4l0-21swapper/408:55:144
111391220,0ptp4l0-21swapper/408:54:594
111391220,0ptp4l0-21swapper/408:25:194
111391220,0ptp4l0-21swapper/408:05:124
111391220,0ptp4l0-21swapper/407:20:194
111391220,0ptp4l0-21swapper/407:20:194
111391220,0ptp4l0-21swapper/407:15:124
111391220,0ptp4l0-21swapper/312:37:213
111391220,0ptp4l0-21swapper/312:37:203
111391220,0ptp4l0-21swapper/212:17:262
111391220,0ptp4l0-21swapper/210:03:462
111391220,0ptp4l0-21swapper/210:03:452
111391220,0ptp4l0-21swapper/209:42:402
111391220,0ptp4l0-21swapper/111:37:061
111391220,0ptp4l0-21swapper/111:24:221
111391220,0ptp4l0-21swapper/111:10:121
111391220,0ptp4l0-21swapper/111:05:161
111391220,0ptp4l0-21swapper/110:50:081
111391220,0ptp4l0-21swapper/110:49:241
111391220,0ptp4l0-21swapper/110:35:111
111391220,0ptp4l0-21swapper/110:28:271
111391220,0ptp4l0-21swapper/110:06:141
111391220,0ptp4l0-21swapper/110:01:461
111391220,0ptp4l0-21swapper/110:01:451
111391220,0ptp4l0-21swapper/109:05:111
111391220,0ptp4l0-21swapper/108:30:101
111391220,0ptp4l0-21swapper/107:25:221
111391220,0ptp4l0-21swapper/107:15:011
111391220,0ptp4l0-21swapper/012:10:130
111391220,0ptp4l0-21swapper/011:50:000
111391220,0ptp4l0-21swapper/011:25:510
111391220,0ptp4l0-21swapper/011:05:130
111391220,0ptp4l0-21swapper/010:25:160
111391220,0ptp4l0-21swapper/009:01:250
111391220,0ptp4l0-21swapper/008:35:000
111391220,0ptp4l0-21swapper/008:25:270
111391220,0ptp4l0-21swapper/008:10:190
111391220,0ptp4l0-21swapper/008:10:010
111391220,0ptp4l0-21swapper/008:00:140
111391220,0ptp4l0-21swapper/007:50:120
111391220,0ptp4l0-21swapper/007:11:540
111391210,1ptp4l17525-21ssh10:56:541
111391210,0ptp4l0-21swapper/711:56:527
111391210,0ptp4l0-21swapper/711:33:137
111391210,0ptp4l0-21swapper/612:16:256
111391210,0ptp4l0-21swapper/611:57:106
111391210,0ptp4l0-21swapper/608:55:116
111391210,0ptp4l0-21swapper/512:06:235
111391210,0ptp4l0-21swapper/511:41:055
111391210,0ptp4l0-21swapper/510:56:455
111391210,0ptp4l0-21swapper/510:18:245
111391210,0ptp4l0-21swapper/510:14:215
111391210,0ptp4l0-21swapper/508:30:115
111391210,0ptp4l0-21swapper/508:02:105
111391210,0ptp4l0-21swapper/407:13:474
111391210,0ptp4l0-21swapper/311:43:373
111391210,0ptp4l0-21swapper/309:26:273
111391210,0ptp4l0-21swapper/212:12:142
111391210,0ptp4l0-21swapper/211:35:412
111391210,0ptp4l0-21swapper/209:51:342
111391210,0ptp4l0-21swapper/207:55:182
111391210,0ptp4l0-21swapper/112:32:511
111391210,0ptp4l0-21swapper/112:11:321
111391210,0ptp4l0-21swapper/111:44:541
111391210,0ptp4l0-21swapper/111:31:471
111391210,0ptp4l0-21swapper/110:41:131
111391210,0ptp4l0-21swapper/110:14:221
111391210,0ptp4l0-21swapper/109:48:561
111391210,0ptp4l0-21swapper/109:35:151
111391210,0ptp4l0-21swapper/109:11:251
111391210,0ptp4l0-21swapper/010:00:030
111391210,0ptp4l0-21swapper/010:00:020
111391210,0ptp4l0-21swapper/008:55:120
111391210,0ptp4l0-21swapper/008:45:190
111391210,0ptp4l0-21swapper/008:16:230
111391210,0ptp4l0-21swapper/007:59:230
111391200,0ptp4l0-21swapper/712:34:047
111391200,0ptp4l0-21swapper/709:38:507
111391200,0ptp4l0-21swapper/611:41:306
111391200,0ptp4l0-21swapper/608:27:176
111391200,0ptp4l0-21swapper/512:02:515
111391200,0ptp4l0-21swapper/511:28:175
111391200,0ptp4l0-21swapper/509:48:545
111391200,0ptp4l0-21swapper/508:45:025
111391200,0ptp4l0-21swapper/507:55:115
111391200,0ptp4l0-21swapper/507:43:185
111391200,0ptp4l0-21swapper/507:28:595
111391200,0ptp4l0-21swapper/507:22:315
111391200,0ptp4l0-21swapper/507:22:315
111391200,0ptp4l0-21swapper/507:18:235
111391200,0ptp4l0-21swapper/408:38:314
111391200,0ptp4l0-21swapper/408:16:254
111391200,0ptp4l0-21swapper/312:33:583
111391200,0ptp4l0-21swapper/311:56:583
111391200,0ptp4l0-21swapper/207:17:362
111391200,0ptp4l0-21swapper/112:06:241
111391200,0ptp4l0-21swapper/110:17:221
111391200,0ptp4l0-21swapper/108:15:141
111391200,0ptp4l0-21swapper/108:04:231
111391200,0ptp4l0-21swapper/107:24:231
111391200,0ptp4l0-21swapper/107:24:231
111391190,0ptp4l0-21swapper/711:43:327
111391190,0ptp4l0-21swapper/708:32:547
111391190,0ptp4l0-21swapper/611:49:436
111391190,0ptp4l0-21swapper/610:20:276
111391190,0ptp4l0-21swapper/610:03:436
111391190,0ptp4l0-21swapper/610:03:436
111391190,0ptp4l0-21swapper/609:12:086
111391190,0ptp4l0-21swapper/509:37:185
111391190,0ptp4l0-21swapper/509:24:445
111391190,0ptp4l0-21swapper/309:38:493
111391190,0ptp4l0-21swapper/308:32:233
111391190,0ptp4l0-21swapper/211:49:482
111391190,0ptp4l0-21swapper/210:20:292
111391190,0ptp4l0-21swapper/210:00:002
111391190,0ptp4l0-21swapper/209:38:292
111391190,0ptp4l0-21swapper/209:12:072
111391190,0ptp4l0-21swapper/207:20:112
111391190,0ptp4l0-21swapper/207:20:112
111391190,0ptp4l0-21swapper/111:02:081
111391190,0ptp4l0-21swapper/108:49:541
111391190,0ptp4l0-21swapper/108:41:061
111391190,0ptp4l0-21swapper/107:44:511
111391190,0ptp4l0-21swapper/107:36:251
111391190,0ptp4l0-21swapper/008:20:130
111391180,0ptp4l0-21swapper/611:36:196
111391180,0ptp4l0-21swapper/611:34:236
111391180,0ptp4l0-21swapper/609:51:316
111391180,0ptp4l0-21swapper/311:33:043
111391180,0ptp4l0-21swapper/211:58:582
111391180,0ptp4l0-21swapper/211:41:292
111391180,0ptp4l0-21swapper/112:01:451
111391180,0ptp4l0-21swapper/109:24:511
111391180,0ptp4l0-21swapper/008:52:550
111391170,0ptp4l0-21swapper/609:45:496
111391170,0ptp4l0-21swapper/511:04:565
111391170,0ptp4l0-21swapper/110:30:301
111391170,0ptp4l0-21swapper/108:22:491
111391160,0ptp4l0-21swapper/610:25:046
111391160,0ptp4l0-21swapper/609:57:456
111391160,0ptp4l0-21swapper/508:27:065
111391160,0ptp4l0-21swapper/508:23:105
111391160,0ptp4l0-21swapper/507:36:025
111391160,0ptp4l0-21swapper/211:34:232
111391160,0ptp4l0-21swapper/210:25:032
111391160,0ptp4l0-21swapper/107:46:021
111391150,0ptp4l0-21swapper/607:54:406
111391150,0ptp4l0-21swapper/408:11:274
111391150,0ptp4l0-21swapper/211:52:392
111391150,0ptp4l0-21swapper/208:39:592
111391140,0ptp4l0-21swapper/611:21:566
111391140,0ptp4l0-21swapper/607:17:376
111391140,0ptp4l0-21swapper/208:27:182
111391140,0ptp4l0-21swapper/207:54:402
12191991310,1cyclictest14778-21munin-run10:10:012
1222099119,1cyclictest0-21swapper/611:50:126
1219899119,1cyclictest0-21swapper/311:27:573
1222799109,0cyclictest0-21swapper/712:25:497
1222799109,0cyclictest0-21swapper/712:05:437
1222799100,9cyclictest0-21swapper/712:21:457
1222799100,9cyclictest0-21swapper/712:01:467
1222799100,9cyclictest0-21swapper/709:51:317
1222799100,0cyclictest0-21swapper/711:49:517
1222799100,0cyclictest0-21swapper/711:20:467
1222799100,0cyclictest0-21swapper/710:59:337
1222799100,0cyclictest0-21swapper/710:10:497
1222099109,0cyclictest0-21swapper/612:10:016
1222099108,1cyclictest25085-1kworker/u17:210:17:406
1222099100,3cyclictest0-21swapper/610:40:146
1219899109,0cyclictest0-21swapper/310:26:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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