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2026-01-10 - 03:04

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 Jan 09, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
205582850,2sleep420563-21unixbench_singl07:05:204
2085827947,17sleep70-21swapper/707:08:457
111391720,32ptp4l0-21swapper/107:05:101
80162700,0sleep20-21swapper/211:10:132
290182610,0sleep10-21swapper/110:12:441
269452560,0sleep70-21swapper/708:30:147
2097025434,6sleep20-21swapper/207:10:002
2074625433,6sleep60-21swapper/607:07:166
111391510,5ptp4l0-21swapper/507:09:075
2074324837,7sleep30-21swapper/307:07:133
2074024736,6sleep00-21swapper/007:07:090
111391320,0ptp4l0-21swapper/411:13:104
111391310,0ptp4l0-21swapper/410:56:534
111391310,0ptp4l0-21swapper/012:30:000
111391310,0ptp4l0-21swapper/011:40:190
111391310,0ptp4l0-21swapper/007:25:170
111391300,0ptp4l0-21swapper/611:00:146
111391300,0ptp4l0-21swapper/608:45:166
111391300,0ptp4l0-21swapper/411:59:534
111391300,0ptp4l0-21swapper/410:26:154
111391300,0ptp4l0-21swapper/209:50:382
111391300,0ptp4l0-21swapper/010:50:010
111391300,0ptp4l0-21swapper/010:34:150
111391300,0ptp4l0-21swapper/008:25:160
111391290,2ptp4l0-21swapper/411:33:234
111391290,1ptp4l6059-21ssh11:07:112
111391290,1ptp4l351-21ssh10:18:030
111391290,0ptp4l12119-21diskmemload11:42:184
111391290,0ptp4l0-21swapper/710:07:447
111391290,0ptp4l0-21swapper/412:30:134
111391290,0ptp4l0-21swapper/411:28:144
111391290,0ptp4l0-21swapper/411:17:094
111391290,0ptp4l0-21swapper/411:00:274
111391290,0ptp4l0-21swapper/409:46:364
111391290,0ptp4l0-21swapper/409:36:204
111391290,0ptp4l0-21swapper/409:21:324
111391290,0ptp4l0-21swapper/208:45:142
111391290,0ptp4l0-21swapper/111:12:271
111391290,0ptp4l0-21swapper/011:58:110
111391290,0ptp4l0-21swapper/010:00:430
111391290,0ptp4l0-21swapper/009:30:410
111391280,6ptp4l0-21swapper/009:59:570
111391280,0ptp4l0-21swapper/611:59:336
111391280,0ptp4l0-21swapper/412:20:164
111391280,0ptp4l0-21swapper/412:03:184
111391280,0ptp4l0-21swapper/411:06:414
111391280,0ptp4l0-21swapper/410:53:264
111391280,0ptp4l0-21swapper/409:17:174
111391280,0ptp4l0-21swapper/110:29:581
111391280,0ptp4l0-21swapper/109:26:511
111391280,0ptp4l0-21swapper/012:37:250
111391280,0ptp4l0-21swapper/011:16:140
111391280,0ptp4l0-21swapper/011:10:470
111391280,0ptp4l0-21swapper/010:52:560
111391280,0ptp4l0-21swapper/010:05:130
111391270,6ptp4l0-21swapper/009:20:520
111391270,0ptp4l0-21swapper/510:15:355
111391270,0ptp4l0-21swapper/410:35:344
111391270,0ptp4l0-21swapper/409:57:224
111391270,0ptp4l0-21swapper/409:51:244
111391270,0ptp4l0-21swapper/409:41:434
111391270,0ptp4l0-21swapper/112:23:341
111391270,0ptp4l0-21swapper/110:42:301
111391270,0ptp4l0-21swapper/012:13:570
111391270,0ptp4l0-21swapper/011:35:190
111391270,0ptp4l0-21swapper/011:27:270
111391270,0ptp4l0-21swapper/011:01:320
111391270,0ptp4l0-21swapper/010:28:130
111391260,0ptp4l0-21swapper/511:08:375
111391260,0ptp4l0-21swapper/412:25:484
111391260,0ptp4l0-21swapper/412:19:194
111391260,0ptp4l0-21swapper/410:41:324
111391260,0ptp4l0-21swapper/410:24:404
111391260,0ptp4l0-21swapper/111:52:011
111391260,0ptp4l0-21swapper/011:31:170
111391260,0ptp4l0-21swapper/011:06:380
111391260,0ptp4l0-21swapper/009:51:450
111391250,3ptp4l321ktimersoftd/211:33:292
111391250,1ptp4l8588-21sensors12:35:164
111391250,1ptp4l10481-21fw_conntrack09:05:120
111391250,1ptp4l10481-21fw_conntrack09:05:110
111391250,0ptp4l0-21swapper/612:06:026
111391250,0ptp4l0-21swapper/609:14:536
111391250,0ptp4l0-21swapper/609:14:536
111391250,0ptp4l0-21swapper/411:21:164
111391250,0ptp4l0-21swapper/410:45:134
111391250,0ptp4l0-21swapper/410:03:044
111391250,0ptp4l0-21swapper/409:25:444
111391250,0ptp4l0-21swapper/112:37:201
111391250,0ptp4l0-21swapper/011:49:140
111391250,0ptp4l0-21swapper/011:49:130
111391250,0ptp4l0-21swapper/010:55:180
111391250,0ptp4l0-21swapper/010:37:250
111391250,0ptp4l0-21swapper/009:49:230
111391250,0ptp4l0-21swapper/009:43:500
111391250,0ptp4l0-21swapper/009:15:420
111391240,7ptp4l0-21swapper/411:47:454
111391240,7ptp4l0-21swapper/411:47:444
111391240,1ptp4l6032-21diskstats07:45:115
111391240,1ptp4l5184-21sed12:30:192
111391240,1ptp4l4520-21sendmail_mailst09:40:186
111391240,1ptp4l30025-21sensors07:25:204
111391240,1ptp4l26199-21uptime10:50:212
111391240,1ptp4l24968-21irqstats07:15:142
111391240,1ptp4l23323-21kernelversion10:05:271
111391240,1ptp4l12878-21hwlatdetect09:10:134
111391240,1ptp4l12878-21hwlatdetect09:10:124
111391240,0ptp4l0-21swapper/610:44:416
111391240,0ptp4l0-21swapper/512:23:285
111391240,0ptp4l0-21swapper/511:18:175
111391240,0ptp4l0-21swapper/412:07:124
111391240,0ptp4l0-21swapper/411:53:594
111391240,0ptp4l0-21swapper/410:15:184
111391240,0ptp4l0-21swapper/409:30:204
111391240,0ptp4l0-21swapper/407:30:164
111391240,0ptp4l0-21swapper/211:57:502
111391240,0ptp4l0-21swapper/210:01:522
111391240,0ptp4l0-21swapper/209:42:142
111391240,0ptp4l0-21swapper/111:44:341
111391240,0ptp4l0-21swapper/110:56:061
111391240,0ptp4l0-21swapper/110:50:171
111391240,0ptp4l0-21swapper/107:45:111
111391240,0ptp4l0-21swapper/012:34:240
111391240,0ptp4l0-21swapper/012:20:590
111391240,0ptp4l0-21swapper/010:40:110
111391240,0ptp4l0-21swapper/010:23:120
111391240,0ptp4l0-21swapper/010:14:140
111391240,0ptp4l0-21swapper/008:20:200
111391240,0ptp4l0-21swapper/007:55:150
111391230,1ptp4l7231-21cpuspeed_turbos09:45:105
111391230,1ptp4l28748-21/usr/sbin/munin08:35:150
111391230,1ptp4l1958-21ssh11:45:115
111391230,1ptp4l1958-21ssh11:45:115
111391230,1ptp4l12748-21sh09:50:436
111391230,0ptp4l0-21swapper/610:57:416
111391230,0ptp4l0-21swapper/610:50:196
111391230,0ptp4l0-21swapper/609:15:146
111391230,0ptp4l0-21swapper/607:15:166
111391230,0ptp4l0-21swapper/607:10:186
111391230,0ptp4l0-21swapper/511:43:255
111391230,0ptp4l0-21swapper/511:31:455
111391230,0ptp4l0-21swapper/510:42:175
111391230,0ptp4l0-21swapper/510:05:275
111391230,0ptp4l0-21swapper/510:00:295
111391230,0ptp4l0-21swapper/509:35:015
111391230,0ptp4l0-21swapper/507:58:475
111391230,0ptp4l0-21swapper/411:35:144
111391230,0ptp4l0-21swapper/410:32:504
111391230,0ptp4l0-21swapper/410:13:574
111391230,0ptp4l0-21swapper/410:05:114
111391230,0ptp4l0-21swapper/408:50:134
111391230,0ptp4l0-21swapper/408:30:204
111391230,0ptp4l0-21swapper/408:00:164
111391230,0ptp4l0-21swapper/407:45:174
111391230,0ptp4l0-21swapper/407:40:154
111391230,0ptp4l0-21swapper/407:15:024
111391230,0ptp4l0-21swapper/407:13:474
111391230,0ptp4l0-21swapper/310:06:503
111391230,0ptp4l0-21swapper/212:10:162
111391230,0ptp4l0-21swapper/211:47:182
111391230,0ptp4l0-21swapper/211:47:172
111391230,0ptp4l0-21swapper/211:29:182
111391230,0ptp4l0-21swapper/210:57:442
111391230,0ptp4l0-21swapper/111:45:151
111391230,0ptp4l0-21swapper/111:45:141
111391230,0ptp4l0-21swapper/111:20:171
111391230,0ptp4l0-21swapper/111:00:371
111391230,0ptp4l0-21swapper/109:59:221
111391230,0ptp4l0-21swapper/109:40:201
111391230,0ptp4l0-21swapper/108:55:121
111391230,0ptp4l0-21swapper/012:05:460
111391230,0ptp4l0-21swapper/012:03:570
111391230,0ptp4l0-21swapper/011:50:160
111391230,0ptp4l0-21swapper/011:20:130
111391230,0ptp4l0-21swapper/009:35:190
111391230,0ptp4l0-21swapper/009:26:390
111391230,0ptp4l0-21swapper/008:40:110
111391230,0ptp4l0-21swapper/008:05:130
111391230,0ptp4l0-21swapper/007:50:190
111391230,0ptp4l0-21swapper/007:40:120
111391220,0ptp4l19695-21ssh12:07:552
111391220,0ptp4l0-21swapper/709:26:557
111391220,0ptp4l0-21swapper/709:12:257
111391220,0ptp4l0-21swapper/709:12:247
111391220,0ptp4l0-21swapper/612:36:406
111391220,0ptp4l0-21swapper/612:32:076
111391220,0ptp4l0-21swapper/612:28:306
111391220,0ptp4l0-21swapper/612:23:406
111391220,0ptp4l0-21swapper/612:16:026
111391220,0ptp4l0-21swapper/612:10:176
111391220,0ptp4l0-21swapper/612:00:126
111391220,0ptp4l0-21swapper/611:45:186
111391220,0ptp4l0-21swapper/611:45:176
111391220,0ptp4l0-21swapper/611:32:016
111391220,0ptp4l0-21swapper/611:18:146
111391220,0ptp4l0-21swapper/611:11:566
111391220,0ptp4l0-21swapper/611:07:096
111391220,0ptp4l0-21swapper/610:38:246
111391220,0ptp4l0-21swapper/610:01:146
111391220,0ptp4l0-21swapper/609:57:136
111391220,0ptp4l0-21swapper/609:46:186
111391220,0ptp4l0-21swapper/609:33:186
111391220,0ptp4l0-21swapper/607:45:156
111391220,0ptp4l0-21swapper/607:35:156
111391220,0ptp4l0-21swapper/512:35:505
111391220,0ptp4l0-21swapper/512:29:525
111391220,0ptp4l0-21swapper/512:15:365
111391220,0ptp4l0-21swapper/512:10:135
111391220,0ptp4l0-21swapper/512:01:475
111391220,0ptp4l0-21swapper/511:38:375
111391220,0ptp4l0-21swapper/511:29:135
111391220,0ptp4l0-21swapper/511:00:095
111391220,0ptp4l0-21swapper/510:56:155
111391220,0ptp4l0-21swapper/510:49:295
111391220,0ptp4l0-21swapper/510:35:205
111391220,0ptp4l0-21swapper/510:29:475
111391220,0ptp4l0-21swapper/510:12:175
111391220,0ptp4l0-21swapper/509:43:145
111391220,0ptp4l0-21swapper/509:39:205
111391220,0ptp4l0-21swapper/509:21:445
111391220,0ptp4l0-21swapper/508:55:155
111391220,0ptp4l0-21swapper/507:30:105
111391220,0ptp4l0-21swapper/412:12:264
111391220,0ptp4l0-21swapper/409:05:114
111391220,0ptp4l0-21swapper/409:05:104
111391220,0ptp4l0-21swapper/409:04:324
111391220,0ptp4l0-21swapper/408:55:204
111391220,0ptp4l0-21swapper/408:40:124
111391220,0ptp4l0-21swapper/408:35:164
111391220,0ptp4l0-21swapper/408:25:204
111391220,0ptp4l0-21swapper/408:20:154
111391220,0ptp4l0-21swapper/408:15:134
111391220,0ptp4l0-21swapper/408:10:144
111391220,0ptp4l0-21swapper/408:05:134
111391220,0ptp4l0-21swapper/407:55:174
111391220,0ptp4l0-21swapper/407:50:174
111391220,0ptp4l0-21swapper/407:20:114
111391220,0ptp4l0-21swapper/212:36:462
111391220,0ptp4l0-21swapper/212:24:252
111391220,0ptp4l0-21swapper/212:15:532
111391220,0ptp4l0-21swapper/212:00:102
111391220,0ptp4l0-21swapper/211:16:582
111391220,0ptp4l0-21swapper/210:40:372
111391220,0ptp4l0-21swapper/210:35:532
111391220,0ptp4l0-21swapper/210:34:092
111391220,0ptp4l0-21swapper/210:28:452
111391220,0ptp4l0-21swapper/210:05:512
111391220,0ptp4l0-21swapper/209:56:242
111391220,0ptp4l0-21swapper/209:37:272
111391220,0ptp4l0-21swapper/209:33:142
111391220,0ptp4l0-21swapper/209:15:102
111391220,0ptp4l0-21swapper/209:11:522
111391220,0ptp4l0-21swapper/209:11:512
111391220,0ptp4l0-21swapper/207:45:142
111391220,0ptp4l0-21swapper/207:35:132
111391220,0ptp4l0-21swapper/207:30:132
111391220,0ptp4l0-21swapper/112:31:551
111391220,0ptp4l0-21swapper/112:09:121
111391220,0ptp4l0-21swapper/112:04:451
111391220,0ptp4l0-21swapper/111:36:021
111391220,0ptp4l0-21swapper/111:25:551
111391220,0ptp4l0-21swapper/111:15:121
111391220,0ptp4l0-21swapper/111:05:101
111391220,0ptp4l0-21swapper/110:46:231
111391220,0ptp4l0-21swapper/110:36:391
111391220,0ptp4l0-21swapper/110:33:501
111391220,0ptp4l0-21swapper/110:20:581
111391220,0ptp4l0-21swapper/110:17:351
111391220,0ptp4l0-21swapper/109:45:091
111391220,0ptp4l0-21swapper/109:35:001
111391220,0ptp4l0-21swapper/109:21:501
111391220,0ptp4l0-21swapper/109:12:491
111391220,0ptp4l0-21swapper/109:12:481
111391220,0ptp4l0-21swapper/108:45:101
111391220,0ptp4l0-21swapper/107:45:001
111391220,0ptp4l0-21swapper/107:30:111
111391220,0ptp4l0-21swapper/012:16:530
111391220,0ptp4l0-21swapper/009:10:110
111391220,0ptp4l0-21swapper/009:10:100
111391220,0ptp4l0-21swapper/008:55:110
111391220,0ptp4l0-21swapper/008:15:150
111391220,0ptp4l0-21swapper/008:10:130
111391220,0ptp4l0-21swapper/008:00:130
111391220,0ptp4l0-21swapper/007:20:100
111391220,0ptp4l0-21swapper/007:15:020
111391220,0ptp4l0-21swapper/007:15:000
111391210,1ptp4l2124199cyclictest09:23:022
111391210,0ptp4l0-21swapper/711:32:287
111391210,0ptp4l0-21swapper/709:47:517
111391210,0ptp4l0-21swapper/611:36:186
111391210,0ptp4l0-21swapper/611:26:076
111391210,0ptp4l0-21swapper/610:30:556
111391210,0ptp4l0-21swapper/610:28:456
111391210,0ptp4l0-21swapper/610:10:376
111391210,0ptp4l0-21swapper/609:21:536
111391210,0ptp4l0-21swapper/609:09:236
111391210,0ptp4l0-21swapper/609:09:236
111391210,0ptp4l0-21swapper/608:58:516
111391210,0ptp4l0-21swapper/608:28:246
111391210,0ptp4l0-21swapper/512:31:065
111391210,0ptp4l0-21swapper/512:05:525
111391210,0ptp4l0-21swapper/511:54:515
111391210,0ptp4l0-21swapper/511:20:195
111391210,0ptp4l0-21swapper/511:12:175
111391210,0ptp4l0-21swapper/510:50:145
111391210,0ptp4l0-21swapper/510:30:515
111391210,0ptp4l0-21swapper/509:56:575
111391210,0ptp4l0-21swapper/509:52:255
111391210,0ptp4l0-21swapper/509:17:465
111391210,0ptp4l0-21swapper/509:12:395
111391210,0ptp4l0-21swapper/509:12:385
111391210,0ptp4l0-21swapper/508:06:465
111391210,0ptp4l0-21swapper/507:28:415
111391210,0ptp4l0-21swapper/408:50:004
111391210,0ptp4l0-21swapper/311:42:103
111391210,0ptp4l0-21swapper/311:32:253
111391210,0ptp4l0-21swapper/311:09:513
111391210,0ptp4l0-21swapper/309:47:443
111391210,0ptp4l0-21swapper/309:12:233
111391210,0ptp4l0-21swapper/309:12:233
111391210,0ptp4l0-21swapper/212:28:092
111391210,0ptp4l0-21swapper/211:43:272
111391210,0ptp4l0-21swapper/211:39:402
111391210,0ptp4l0-21swapper/211:02:442
111391210,0ptp4l0-21swapper/210:46:022
111391210,0ptp4l0-21swapper/210:23:382
111391210,0ptp4l0-21swapper/210:15:372
111391210,0ptp4l0-21swapper/209:46:092
111391210,0ptp4l0-21swapper/112:26:051
111391210,0ptp4l0-21swapper/112:15:011
111391210,0ptp4l0-21swapper/112:10:141
111391210,0ptp4l0-21swapper/111:59:281
111391210,0ptp4l0-21swapper/111:31:511
111391210,0ptp4l0-21swapper/109:51:471
111391210,0ptp4l0-21swapper/109:35:021
111391210,0ptp4l0-21swapper/109:17:371
111391210,0ptp4l0-21swapper/109:08:461
111391210,0ptp4l0-21swapper/109:08:451
111391210,0ptp4l0-21swapper/108:21:361
111391210,0ptp4l0-21swapper/107:15:101
111391210,0ptp4l0-21swapper/008:50:110
111391210,0ptp4l0-21swapper/008:30:180
111391210,0ptp4l0-21swapper/007:30:140
111391200,0ptp4l0-21swapper/711:09:497
111391200,0ptp4l0-21swapper/611:52:086
111391200,0ptp4l0-21swapper/611:43:296
111391200,0ptp4l0-21swapper/609:39:226
111391200,0ptp4l0-21swapper/609:01:356
111391200,0ptp4l0-21swapper/510:21:055
111391200,0ptp4l0-21swapper/508:43:475
111391200,0ptp4l0-21swapper/508:03:405
111391200,0ptp4l0-21swapper/507:44:015
111391200,0ptp4l0-21swapper/507:15:465
111391200,0ptp4l0-21swapper/407:39:474
111391200,0ptp4l0-21swapper/310:56:223
111391200,0ptp4l0-21swapper/307:17:443
111391200,0ptp4l0-21swapper/209:28:162
111391200,0ptp4l0-21swapper/207:10:162
111391200,0ptp4l0-21swapper/108:33:421
111391200,0ptp4l0-21swapper/108:28:111
111391200,0ptp4l0-21swapper/108:18:251
111391200,0ptp4l0-21swapper/108:02:381
111391200,0ptp4l0-21swapper/107:39:301
111391200,0ptp4l0-21swapper/008:45:580
111391200,0ptp4l0-21swapper/007:47:440
111391190,0ptp4l0-21swapper/711:42:117
111391190,0ptp4l0-21swapper/710:56:227
111391190,0ptp4l0-21swapper/610:46:056
111391190,0ptp4l0-21swapper/610:23:366
111391190,0ptp4l0-21swapper/610:08:536
111391190,0ptp4l0-21swapper/608:03:526
111391190,0ptp4l0-21swapper/508:39:445
111391190,0ptp4l0-21swapper/508:33:555
111391190,0ptp4l0-21swapper/507:53:445
111391190,0ptp4l0-21swapper/309:26:573
111391190,0ptp4l0-21swapper/208:51:492
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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