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2026-08-07 - 16:24

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 Fri Aug 07, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391690,2ptp4l0-21swapper/407:05:154
111391650,31ptp4l0-21swapper/107:05:251
111391630,3ptp4l0-21swapper/507:05:355
80772610,0sleep50-21swapper/509:40:175
111391610,29ptp4l0-21swapper/007:05:100
29822590,0sleep30-21swapper/311:45:203
2499125646,6sleep20-21swapper/207:06:212
137042560,0sleep70-21swapper/711:15:207
2523725544,6sleep70-21swapper/707:09:297
2517625231,7sleep30-21swapper/307:08:453
2525625040,6sleep60-21swapper/607:09:456
111391340,1ptp4l0-21swapper/409:00:114
111391320,0ptp4l0-21swapper/410:20:114
111391320,0ptp4l0-21swapper/410:05:204
111391320,0ptp4l0-21swapper/009:43:310
111391310,0ptp4l0-21swapper/410:59:354
111391310,0ptp4l0-21swapper/109:50:061
111391310,0ptp4l0-21swapper/010:07:550
111391300,1ptp4l17425-21ssh11:20:370
111391300,0ptp4l0-21swapper/412:23:024
111391300,0ptp4l0-21swapper/412:15:234
111391300,0ptp4l0-21swapper/409:16:084
111391300,0ptp4l0-21swapper/010:50:230
111391290,0ptp4l16313-21diskmemload10:50:584
111391290,0ptp4l0-21swapper/412:06:054
111391290,0ptp4l0-21swapper/411:45:194
111391290,0ptp4l0-21swapper/411:23:304
111391290,0ptp4l0-21swapper/410:36:204
111391290,0ptp4l0-21swapper/410:34:084
111391290,0ptp4l0-21swapper/410:34:074
111391290,0ptp4l0-21swapper/410:15:144
111391290,0ptp4l0-21swapper/410:12:144
111391290,0ptp4l0-21swapper/409:41:534
111391290,0ptp4l0-21swapper/409:32:074
111391290,0ptp4l0-21swapper/409:22:054
111391290,0ptp4l0-21swapper/311:59:173
111391290,0ptp4l0-21swapper/310:17:473
111391290,0ptp4l0-21swapper/112:34:301
111391290,0ptp4l0-21swapper/012:31:510
111391290,0ptp4l0-21swapper/012:04:340
111391290,0ptp4l0-21swapper/011:44:270
111391290,0ptp4l0-21swapper/011:39:480
111391280,0ptp4l0-21swapper/511:48:285
111391280,0ptp4l0-21swapper/510:20:015
111391280,0ptp4l0-21swapper/509:05:205
111391280,0ptp4l0-21swapper/412:29:434
111391280,0ptp4l0-21swapper/411:31:334
111391280,0ptp4l0-21swapper/411:28:424
111391280,0ptp4l0-21swapper/409:38:204
111391280,0ptp4l0-21swapper/111:02:251
111391280,0ptp4l0-21swapper/110:28:161
111391280,0ptp4l0-21swapper/110:12:181
111391280,0ptp4l0-21swapper/109:59:581
111391280,0ptp4l0-21swapper/109:45:181
111391280,0ptp4l0-21swapper/012:29:040
111391280,0ptp4l0-21swapper/011:48:560
111391280,0ptp4l0-21swapper/011:29:000
111391280,0ptp4l0-21swapper/010:39:560
111391280,0ptp4l0-21swapper/010:25:230
111391280,0ptp4l0-21swapper/009:59:340
111391280,0ptp4l0-21swapper/009:49:370
111391280,0ptp4l0-21swapper/007:45:140
111391270,0ptp4l16313-21diskmemload11:57:456
111391270,0ptp4l0-21swapper/711:59:307
111391270,0ptp4l0-21swapper/412:30:524
111391270,0ptp4l0-21swapper/412:00:374
111391270,0ptp4l0-21swapper/411:37:064
111391270,0ptp4l0-21swapper/411:05:254
111391270,0ptp4l0-21swapper/411:04:584
111391270,0ptp4l0-21swapper/410:41:234
111391270,0ptp4l0-21swapper/112:39:171
111391270,0ptp4l0-21swapper/112:21:481
111391270,0ptp4l0-21swapper/109:35:541
111391270,0ptp4l0-21swapper/011:12:590
111391270,0ptp4l0-21swapper/011:06:150
111391270,0ptp4l0-21swapper/010:59:360
111391270,0ptp4l0-21swapper/010:14:030
111391270,0ptp4l0-21swapper/009:11:160
111391260,0ptp4l0-21swapper/611:19:156
111391260,0ptp4l0-21swapper/511:38:235
111391260,0ptp4l0-21swapper/410:28:384
111391260,0ptp4l0-21swapper/409:29:134
111391260,0ptp4l0-21swapper/407:40:174
111391260,0ptp4l0-21swapper/109:15:361
111391260,0ptp4l0-21swapper/012:36:380
111391260,0ptp4l0-21swapper/012:20:490
111391260,0ptp4l0-21swapper/012:11:100
111391260,0ptp4l0-21swapper/012:06:100
111391260,0ptp4l0-21swapper/010:48:340
111391260,0ptp4l0-21swapper/009:35:000
111391250,1ptp4l26400-21latency_hist11:35:001
111391250,0ptp4l0-21swapper/511:31:035
111391250,0ptp4l0-21swapper/509:45:095
111391250,0ptp4l0-21swapper/412:14:584
111391250,0ptp4l0-21swapper/409:48:184
111391250,0ptp4l0-21swapper/111:19:471
111391250,0ptp4l0-21swapper/012:17:540
111391250,0ptp4l0-21swapper/011:31:460
111391250,0ptp4l0-21swapper/010:32:440
111391250,0ptp4l0-21swapper/010:32:440
111391250,0ptp4l0-21swapper/010:16:070
111391250,0ptp4l0-21swapper/010:01:380
111391250,0ptp4l0-21swapper/008:55:190
111391240,2ptp4l0-21swapper/110:22:121
111391240,1ptp4l4086-21/usr/sbin/munin10:20:190
111391240,1ptp4l19422-21irqstats10:40:170
111391240,1ptp4l12408-21df11:15:100
111391240,0ptp4l0-21swapper/512:03:435
111391240,0ptp4l0-21swapper/511:53:555
111391240,0ptp4l0-21swapper/511:14:395
111391240,0ptp4l0-21swapper/508:10:145
111391240,0ptp4l0-21swapper/507:30:175
111391240,0ptp4l0-21swapper/411:55:064
111391240,0ptp4l0-21swapper/411:51:044
111391240,0ptp4l0-21swapper/411:18:344
111391240,0ptp4l0-21swapper/408:37:244
111391240,0ptp4l0-21swapper/208:15:132
111391240,0ptp4l0-21swapper/112:09:431
111391240,0ptp4l0-21swapper/112:00:111
111391240,0ptp4l0-21swapper/111:35:511
111391240,0ptp4l0-21swapper/111:20:131
111391240,0ptp4l0-21swapper/110:46:361
111391240,0ptp4l0-21swapper/110:00:191
111391240,0ptp4l0-21swapper/108:40:181
111391240,0ptp4l0-21swapper/108:16:131
111391240,0ptp4l0-21swapper/009:35:200
111391240,0ptp4l0-21swapper/009:21:590
111391240,0ptp4l0-21swapper/008:25:170
111391240,0ptp4l0-21swapper/008:05:210
111391240,0ptp4l0-21swapper/008:02:410
111391230,4ptp4l0-21swapper/109:00:231
111391230,0ptp4l0-21swapper/610:50:116
111391230,0ptp4l0-21swapper/512:35:195
111391230,0ptp4l0-21swapper/512:25:415
111391230,0ptp4l0-21swapper/512:10:185
111391230,0ptp4l0-21swapper/511:09:435
111391230,0ptp4l0-21swapper/510:59:145
111391230,0ptp4l0-21swapper/510:54:205
111391230,0ptp4l0-21swapper/510:46:225
111391230,0ptp4l0-21swapper/510:29:135
111391230,0ptp4l0-21swapper/510:14:335
111391230,0ptp4l0-21swapper/510:00:205
111391230,0ptp4l0-21swapper/509:50:065
111391230,0ptp4l0-21swapper/509:20:185
111391230,0ptp4l0-21swapper/509:15:105
111391230,0ptp4l0-21swapper/509:10:125
111391230,0ptp4l0-21swapper/508:51:565
111391230,0ptp4l0-21swapper/411:42:354
111391230,0ptp4l0-21swapper/411:10:184
111391230,0ptp4l0-21swapper/410:45:174
111391230,0ptp4l0-21swapper/409:58:354
111391230,0ptp4l0-21swapper/409:50:234
111391230,0ptp4l0-21swapper/409:10:174
111391230,0ptp4l0-21swapper/408:55:114
111391230,0ptp4l0-21swapper/408:20:194
111391230,0ptp4l0-21swapper/408:15:204
111391230,0ptp4l0-21swapper/408:05:194
111391230,0ptp4l0-21swapper/408:00:174
111391230,0ptp4l0-21swapper/407:45:124
111391230,0ptp4l0-21swapper/407:35:134
111391230,0ptp4l0-21swapper/407:30:004
111391230,0ptp4l0-21swapper/407:20:184
111391230,0ptp4l0-21swapper/210:50:012
111391230,0ptp4l0-21swapper/207:50:162
111391230,0ptp4l0-21swapper/111:11:431
111391230,0ptp4l0-21swapper/110:52:181
111391230,0ptp4l0-21swapper/110:16:321
111391230,0ptp4l0-21swapper/109:31:181
111391230,0ptp4l0-21swapper/109:20:111
111391230,0ptp4l0-21swapper/108:50:111
111391230,0ptp4l0-21swapper/108:30:131
111391230,0ptp4l0-21swapper/107:39:161
111391230,0ptp4l0-21swapper/107:30:131
111391230,0ptp4l0-21swapper/107:12:441
111391230,0ptp4l0-21swapper/011:55:120
111391230,0ptp4l0-21swapper/011:50:120
111391230,0ptp4l0-21swapper/011:00:360
111391230,0ptp4l0-21swapper/009:50:210
111391230,0ptp4l0-21swapper/009:25:160
111391230,0ptp4l0-21swapper/009:16:180
111391230,0ptp4l0-21swapper/008:46:400
111391230,0ptp4l0-21swapper/008:40:170
111391230,0ptp4l0-21swapper/008:35:210
111391230,0ptp4l0-21swapper/008:20:150
111391230,0ptp4l0-21swapper/008:18:580
111391230,0ptp4l0-21swapper/007:55:130
111391230,0ptp4l0-21swapper/007:55:120
111391230,0ptp4l0-21swapper/007:50:110
111391230,0ptp4l0-21swapper/007:40:140
111391230,0ptp4l0-21swapper/007:30:010
111391230,0ptp4l0-21swapper/007:20:120
111391230,0ptp4l0-21swapper/007:15:120
111391220,0ptp4l24448-21ssh10:03:483
111391220,0ptp4l0-21swapper/711:51:447
111391220,0ptp4l0-21swapper/710:03:427
111391220,0ptp4l0-21swapper/709:44:407
111391220,0ptp4l0-21swapper/708:07:337
111391220,0ptp4l0-21swapper/607:55:176
111391220,0ptp4l0-21swapper/607:55:166
111391220,0ptp4l0-21swapper/607:50:196
111391220,0ptp4l0-21swapper/512:30:145
111391220,0ptp4l0-21swapper/512:21:235
111391220,0ptp4l0-21swapper/512:19:545
111391220,0ptp4l0-21swapper/511:40:145
111391220,0ptp4l0-21swapper/511:27:505
111391220,0ptp4l0-21swapper/511:15:415
111391220,0ptp4l0-21swapper/511:01:435
111391220,0ptp4l0-21swapper/510:30:415
111391220,0ptp4l0-21swapper/510:30:415
111391220,0ptp4l0-21swapper/510:16:315
111391220,0ptp4l0-21swapper/510:06:195
111391220,0ptp4l0-21swapper/509:56:315
111391220,0ptp4l0-21swapper/509:35:145
111391220,0ptp4l0-21swapper/509:31:045
111391220,0ptp4l0-21swapper/509:27:335
111391220,0ptp4l0-21swapper/507:44:375
111391220,0ptp4l0-21swapper/412:36:094
111391220,0ptp4l0-21swapper/410:01:084
111391220,0ptp4l0-21swapper/408:45:014
111391220,0ptp4l0-21swapper/408:25:004
111391220,0ptp4l0-21swapper/408:15:014
111391220,0ptp4l0-21swapper/407:15:104
111391220,0ptp4l0-21swapper/407:10:124
111391220,0ptp4l0-21swapper/311:52:073
111391220,0ptp4l0-21swapper/311:23:473
111391220,0ptp4l0-21swapper/309:44:353
111391220,0ptp4l0-21swapper/210:37:482
111391220,0ptp4l0-21swapper/209:11:202
111391220,0ptp4l0-21swapper/207:55:152
111391220,0ptp4l0-21swapper/207:55:142
111391220,0ptp4l0-21swapper/112:26:401
111391220,0ptp4l0-21swapper/112:19:531
111391220,0ptp4l0-21swapper/112:10:171
111391220,0ptp4l0-21swapper/111:56:121
111391220,0ptp4l0-21swapper/111:53:501
111391220,0ptp4l0-21swapper/111:48:241
111391220,0ptp4l0-21swapper/111:40:111
111391220,0ptp4l0-21swapper/111:27:401
111391220,0ptp4l0-21swapper/111:08:551
111391220,0ptp4l0-21swapper/110:58:441
111391220,0ptp4l0-21swapper/110:41:531
111391220,0ptp4l0-21swapper/110:07:441
111391220,0ptp4l0-21swapper/109:27:261
111391220,0ptp4l0-21swapper/109:10:011
111391220,0ptp4l0-21swapper/109:05:161
111391220,0ptp4l0-21swapper/108:21:121
111391220,0ptp4l0-21swapper/108:10:121
111391220,0ptp4l0-21swapper/107:49:351
111391220,0ptp4l0-21swapper/107:20:511
111391220,0ptp4l0-21swapper/009:00:160
111391220,0ptp4l0-21swapper/008:50:240
111391220,0ptp4l0-21swapper/007:35:150
111391220,0ptp4l0-21swapper/007:25:130
111391220,0ptp4l0-21swapper/007:10:110
111391210,2ptp4l0-21swapper/108:38:361
111391210,0ptp4l0-21swapper/710:17:227
111391210,0ptp4l0-21swapper/612:38:326
111391210,0ptp4l0-21swapper/607:35:466
111391210,0ptp4l0-21swapper/512:08:445
111391210,0ptp4l0-21swapper/511:56:005
111391210,0ptp4l0-21swapper/511:20:015
111391210,0ptp4l0-21swapper/510:43:285
111391210,0ptp4l0-21swapper/508:57:305
111391210,0ptp4l0-21swapper/508:49:435
111391210,0ptp4l0-21swapper/508:41:495
111391210,0ptp4l0-21swapper/508:39:005
111391210,0ptp4l0-21swapper/508:30:015
111391210,0ptp4l0-21swapper/508:09:405
111391210,0ptp4l0-21swapper/507:47:575
111391210,0ptp4l0-21swapper/507:20:365
111391210,0ptp4l0-21swapper/507:18:365
111391210,0ptp4l0-21swapper/408:51:394
111391210,0ptp4l0-21swapper/408:40:184
111391210,0ptp4l0-21swapper/407:59:534
111391210,0ptp4l0-21swapper/407:59:524
111391210,0ptp4l0-21swapper/407:54:364
111391210,0ptp4l0-21swapper/212:38:312
111391210,0ptp4l0-21swapper/211:57:432
111391210,0ptp4l0-21swapper/211:40:232
111391210,0ptp4l0-21swapper/210:41:012
111391210,0ptp4l0-21swapper/109:43:111
111391210,0ptp4l0-21swapper/108:48:321
111391210,0ptp4l0-21swapper/108:26:241
111391210,0ptp4l0-21swapper/107:43:491
111391210,0ptp4l0-21swapper/008:30:150
111391200,0ptp4l0-21swapper/710:14:207
111391200,0ptp4l0-21swapper/612:02:096
111391200,0ptp4l0-21swapper/610:49:516
111391200,0ptp4l0-21swapper/610:40:406
111391200,0ptp4l0-21swapper/610:37:276
111391200,0ptp4l0-21swapper/608:15:126
111391200,0ptp4l0-21swapper/608:13:416
111391200,0ptp4l0-21swapper/607:34:096
111391200,0ptp4l0-21swapper/508:17:135
111391200,0ptp4l0-21swapper/507:29:355
111391200,0ptp4l0-21swapper/507:14:295
111391200,0ptp4l0-21swapper/408:30:174
111391200,0ptp4l0-21swapper/407:33:274
111391200,0ptp4l0-21swapper/310:14:143
111391200,0ptp4l0-21swapper/211:19:212
111391200,0ptp4l0-21swapper/110:33:551
111391200,0ptp4l0-21swapper/110:33:541
111391200,0ptp4l0-21swapper/108:57:201
111391200,0ptp4l0-21swapper/107:17:391
111391190,0ptp4l0-21swapper/708:02:207
111391190,0ptp4l0-21swapper/611:29:556
111391190,0ptp4l0-21swapper/609:53:116
111391190,0ptp4l0-21swapper/409:08:494
111391190,0ptp4l0-21swapper/309:21:093
111391190,0ptp4l0-21swapper/308:05:473
111391190,0ptp4l0-21swapper/212:29:092
111391190,0ptp4l0-21swapper/211:29:572
111391190,0ptp4l0-21swapper/110:37:441
111391190,0ptp4l0-21swapper/008:13:480
111391180,0ptp4l0-21swapper/612:29:126
111391180,0ptp4l0-21swapper/611:14:576
111391180,0ptp4l0-21swapper/609:57:366
111391180,0ptp4l0-21swapper/508:28:285
111391180,0ptp4l0-21swapper/507:35:285
25573991714,2cyclictest0-21swapper/509:01:225
111391170,0ptp4l0-21swapper/709:21:117
111391170,0ptp4l0-21swapper/608:55:466
111391170,0ptp4l0-21swapper/510:36:515
111391170,0ptp4l0-21swapper/508:20:415
111391170,0ptp4l0-21swapper/211:14:552
111391170,0ptp4l0-21swapper/210:30:072
111391170,0ptp4l0-21swapper/210:30:072
111391160,0ptp4l0-21swapper/711:23:477
111391160,0ptp4l0-21swapper/611:40:226
111391160,0ptp4l0-21swapper/507:57:285
111391160,0ptp4l0-21swapper/507:57:275
111391160,0ptp4l0-21swapper/507:53:195
111391160,0ptp4l0-21swapper/212:02:072
111391160,0ptp4l0-21swapper/210:49:532
111391160,0ptp4l0-21swapper/108:05:311
111391160,0ptp4l0-21swapper/107:57:531
111391160,0ptp4l0-21swapper/107:57:531
111391160,0ptp4l0-21swapper/107:27:071
111391150,0ptp4l0-21swapper/707:33:487
111391150,0ptp4l0-21swapper/608:26:416
111391150,0ptp4l0-21swapper/607:10:366
111391150,0ptp4l0-21swapper/508:03:115
111391150,0ptp4l0-21swapper/308:00:333
111391150,0ptp4l0-21swapper/307:33:523
111391150,0ptp4l0-21swapper/209:57:362
111391150,0ptp4l0-21swapper/209:53:092
111391150,0ptp4l0-21swapper/208:55:412
111391150,0ptp4l0-21swapper/208:26:412
111391150,0ptp4l0-21swapper/208:13:392
111391150,0ptp4l0-21swapper/207:35:442
111391150,0ptp4l0-21swapper/108:03:081
111391150,0ptp4l0-21swapper/107:51:451
111391150,0ptp4l0-21swapper/009:05:210
25580991412,1cyclictest0-21swapper/609:20:196
111391140,0ptp4l0-21swapper/609:02:266
111391140,0ptp4l0-21swapper/608:21:496
111391140,0ptp4l0-21swapper/607:22:266
111391140,0ptp4l0-21swapper/210:57:032
111391140,0ptp4l0-21swapper/209:02:282
111391140,0ptp4l0-21swapper/208:21:472
111391140,0ptp4l0-21swapper/207:34:082
111391140,0ptp4l0-21swapper/207:22:292
111391140,0ptp4l0-21swapper/207:10:372
25586991210,1cyclictest0-21swapper/711:40:137
2558699110,10cyclictest0-21swapper/709:50:237
2558099110,1cyclictest0-21swapper/608:50:136
2558099110,10cyclictest0-21swapper/610:13:596
2558699109,0cyclictest0-21swapper/710:25:157
2558699100,9cyclictest0-21swapper/712:38:427
2558699100,9cyclictest0-21swapper/711:46:317
2558699100,9cyclictest0-21swapper/711:14:467
2558699100,9cyclictest0-21swapper/711:06:367
2558699100,9cyclictest0-21swapper/710:33:087
2558699100,9cyclictest0-21swapper/710:33:087
2558699100,0cyclictest0-21swapper/710:57:567
2558099109,0cyclictest0-21swapper/610:00:186
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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