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2026-03-15 - 17:24

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 Sun Mar 15, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,6ptp4l0-21swapper/107:06:121
111391610,5ptp4l0-21swapper/507:08:535
84832600,0sleep00-21swapper/009:10:590
225822570,0sleep50-21swapper/508:35:005
1505425646,6sleep20-21swapper/207:08:082
1518925342,6sleep40-21swapper/407:09:554
1330125140,6sleep00-21swapper/007:05:100
1489525040,6sleep70-21swapper/707:06:057
1517324837,6sleep60-21swapper/607:09:416
1490024837,7sleep30-21swapper/307:06:093
111391340,0ptp4l0-21swapper/309:05:203
111391340,0ptp4l0-21swapper/012:05:180
111391320,2ptp4l0-21swapper/012:22:310
111391320,0ptp4l0-21swapper/412:30:234
111391320,0ptp4l0-21swapper/409:31:344
111391320,0ptp4l0-21swapper/010:54:280
111391310,0ptp4l0-21swapper/412:10:164
111391310,0ptp4l0-21swapper/011:57:460
111391310,0ptp4l0-21swapper/011:31:420
111391300,0ptp4l0-21swapper/411:50:164
111391300,0ptp4l0-21swapper/411:39:334
111391300,0ptp4l0-21swapper/409:43:554
111391300,0ptp4l0-21swapper/308:15:003
111391290,2ptp4l0-21swapper/412:29:274
111391290,0ptp4l0-21swapper/411:41:554
111391290,0ptp4l0-21swapper/410:44:184
111391290,0ptp4l0-21swapper/112:07:521
111391290,0ptp4l0-21swapper/010:28:310
111391290,0ptp4l0-21swapper/009:46:300
111391280,2ptp4l0-21swapper/410:36:204
111391280,2ptp4l0-21swapper/012:19:530
111391280,1ptp4l0-21swapper/009:58:100
111391280,0ptp4l0-21swapper/411:28:514
111391280,0ptp4l0-21swapper/411:28:514
111391280,0ptp4l0-21swapper/311:35:193
111391280,0ptp4l0-21swapper/311:06:103
111391280,0ptp4l0-21swapper/210:23:432
111391280,0ptp4l0-21swapper/109:42:581
111391280,0ptp4l0-21swapper/012:34:350
111391280,0ptp4l0-21swapper/011:04:310
111391280,0ptp4l0-21swapper/010:36:410
111391280,0ptp4l0-21swapper/010:18:420
111391270,0ptp4l0-21swapper/611:12:416
111391270,0ptp4l0-21swapper/411:03:234
111391270,0ptp4l0-21swapper/409:37:454
111391270,0ptp4l0-21swapper/409:28:364
111391270,0ptp4l0-21swapper/312:33:543
111391270,0ptp4l0-21swapper/212:37:032
111391270,0ptp4l0-21swapper/010:45:370
111391270,0ptp4l0-21swapper/009:37:530
111391270,0ptp4l0-21swapper/009:24:330
111391260,0ptp4l0-21swapper/509:50:185
111391260,0ptp4l0-21swapper/412:03:274
111391260,0ptp4l0-21swapper/410:26:544
111391260,0ptp4l0-21swapper/409:53:574
111391260,0ptp4l0-21swapper/408:50:174
111391260,0ptp4l0-21swapper/408:50:174
111391260,0ptp4l0-21swapper/311:44:083
111391260,0ptp4l0-21swapper/012:27:480
111391260,0ptp4l0-21swapper/011:20:080
111391260,0ptp4l0-21swapper/010:06:330
111391260,0ptp4l0-21swapper/009:44:380
111391250,0ptp4l0-21swapper/711:35:197
111391250,0ptp4l0-21swapper/412:20:214
111391250,0ptp4l0-21swapper/411:06:254
111391250,0ptp4l0-21swapper/410:55:184
111391250,0ptp4l0-21swapper/408:25:174
111391250,0ptp4l0-21swapper/312:00:123
111391250,0ptp4l0-21swapper/110:45:191
111391250,0ptp4l0-21swapper/109:35:191
111391250,0ptp4l0-21swapper/012:35:150
111391250,0ptp4l0-21swapper/012:10:450
111391250,0ptp4l0-21swapper/010:34:450
111391250,0ptp4l0-21swapper/009:52:150
111391250,0ptp4l0-21swapper/009:26:440
111391250,0ptp4l0-21swapper/008:35:120
111391250,0ptp4l0-21swapper/007:50:180
111391250,0ptp4l0-21swapper/007:15:000
111391240,1ptp4l917-21sh11:15:214
111391240,1ptp4l8117-21sed09:10:194
111391240,1ptp4l6234-21diskmemload10:25:176
111391240,1ptp4l28772-21sh10:25:145
111391240,1ptp4l28767-21hddtemp_smartct10:25:141
111391240,1ptp4l20240-21munin-run08:30:000
111391240,1ptp4l18930-21sensors_fan10:10:170
111391240,1ptp4l14441-21rm10:05:111
111391240,1ptp4l0-21swapper/410:47:084
111391240,0ptp4l101ktimersoftd/011:10:200
111391240,0ptp4l0-21swapper/510:13:025
111391240,0ptp4l0-21swapper/412:35:574
111391240,0ptp4l0-21swapper/411:58:024
111391240,0ptp4l0-21swapper/411:49:354
111391240,0ptp4l0-21swapper/411:20:134
111391240,0ptp4l0-21swapper/410:17:344
111391240,0ptp4l0-21swapper/410:02:344
111391240,0ptp4l0-21swapper/409:03:464
111391240,0ptp4l0-21swapper/408:30:104
111391240,0ptp4l0-21swapper/308:05:213
111391240,0ptp4l0-21swapper/011:52:480
111391240,0ptp4l0-21swapper/011:06:120
111391240,0ptp4l0-21swapper/009:15:200
111391240,0ptp4l0-21swapper/008:55:130
111391240,0ptp4l0-21swapper/007:13:580
111391230,1ptp4l6019-21ssh11:24:562
111391230,1ptp4l1546699cyclictest09:57:521
111391230,1ptp4l13620-21sh09:19:474
111391230,0ptp4l0-21swapper/712:26:387
111391230,0ptp4l0-21swapper/712:00:127
111391230,0ptp4l0-21swapper/711:45:177
111391230,0ptp4l0-21swapper/709:05:127
111391230,0ptp4l0-21swapper/708:15:137
111391230,0ptp4l0-21swapper/512:11:295
111391230,0ptp4l0-21swapper/511:40:125
111391230,0ptp4l0-21swapper/510:56:345
111391230,0ptp4l0-21swapper/510:45:195
111391230,0ptp4l0-21swapper/510:25:005
111391230,0ptp4l0-21swapper/510:05:115
111391230,0ptp4l0-21swapper/509:15:305
111391230,0ptp4l0-21swapper/508:25:125
111391230,0ptp4l0-21swapper/508:20:005
111391230,0ptp4l0-21swapper/507:40:155
111391230,0ptp4l0-21swapper/412:15:144
111391230,0ptp4l0-21swapper/411:10:164
111391230,0ptp4l0-21swapper/410:30:114
111391230,0ptp4l0-21swapper/410:24:394
111391230,0ptp4l0-21swapper/410:15:004
111391230,0ptp4l0-21swapper/410:05:454
111391230,0ptp4l0-21swapper/408:55:164
111391230,0ptp4l0-21swapper/408:45:104
111391230,0ptp4l0-21swapper/408:45:104
111391230,0ptp4l0-21swapper/408:40:014
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:30:124
111391230,0ptp4l0-21swapper/407:25:184
111391230,0ptp4l0-21swapper/311:34:473
111391230,0ptp4l0-21swapper/309:15:123
111391230,0ptp4l0-21swapper/210:25:212
111391230,0ptp4l0-21swapper/209:55:162
111391230,0ptp4l0-21swapper/112:36:451
111391230,0ptp4l0-21swapper/109:00:111
111391230,0ptp4l0-21swapper/108:25:121
111391230,0ptp4l0-21swapper/108:10:151
111391230,0ptp4l0-21swapper/107:10:201
111391230,0ptp4l0-21swapper/012:03:300
111391230,0ptp4l0-21swapper/011:42:410
111391230,0ptp4l0-21swapper/011:25:130
111391230,0ptp4l0-21swapper/011:25:120
111391230,0ptp4l0-21swapper/010:55:150
111391230,0ptp4l0-21swapper/010:20:130
111391230,0ptp4l0-21swapper/009:30:100
111391230,0ptp4l0-21swapper/009:00:190
111391230,0ptp4l0-21swapper/008:55:000
111391230,0ptp4l0-21swapper/008:55:000
111391230,0ptp4l0-21swapper/008:40:180
111391230,0ptp4l0-21swapper/008:30:100
111391230,0ptp4l0-21swapper/008:00:160
111391230,0ptp4l0-21swapper/007:45:000
111391230,0ptp4l0-21swapper/007:35:220
111391220,3ptp4l0-21swapper/007:41:110
111391220,0ptp4l10043-21ssh12:15:111
111391220,0ptp4l0-21swapper/711:44:207
111391220,0ptp4l0-21swapper/711:05:127
111391220,0ptp4l0-21swapper/711:04:497
111391220,0ptp4l0-21swapper/710:52:547
111391220,0ptp4l0-21swapper/710:29:247
111391220,0ptp4l0-21swapper/710:20:187
111391220,0ptp4l0-21swapper/710:08:087
111391220,0ptp4l0-21swapper/709:15:087
111391220,0ptp4l0-21swapper/709:14:127
111391220,0ptp4l0-21swapper/512:28:175
111391220,0ptp4l0-21swapper/512:22:225
111391220,0ptp4l0-21swapper/511:51:305
111391220,0ptp4l0-21swapper/511:30:235
111391220,0ptp4l0-21swapper/511:25:355
111391220,0ptp4l0-21swapper/511:25:345
111391220,0ptp4l0-21swapper/511:12:585
111391220,0ptp4l0-21swapper/510:43:045
111391220,0ptp4l0-21swapper/509:55:215
111391220,0ptp4l0-21swapper/509:41:505
111391220,0ptp4l0-21swapper/509:35:195
111391220,0ptp4l0-21swapper/509:00:135
111391220,0ptp4l0-21swapper/507:25:125
111391220,0ptp4l0-21swapper/507:10:195
111391220,0ptp4l0-21swapper/412:05:064
111391220,0ptp4l0-21swapper/411:30:144
111391220,0ptp4l0-21swapper/410:50:004
111391220,0ptp4l0-21swapper/409:55:144
111391220,0ptp4l0-21swapper/409:45:054
111391220,0ptp4l0-21swapper/409:10:004
111391220,0ptp4l0-21swapper/408:35:114
111391220,0ptp4l0-21swapper/408:00:164
111391220,0ptp4l0-21swapper/407:55:174
111391220,0ptp4l0-21swapper/407:50:124
111391220,0ptp4l0-21swapper/407:35:004
111391220,0ptp4l0-21swapper/407:15:014
111391220,0ptp4l0-21swapper/312:26:443
111391220,0ptp4l0-21swapper/311:45:043
111391220,0ptp4l0-21swapper/311:05:003
111391220,0ptp4l0-21swapper/310:20:133
111391220,0ptp4l0-21swapper/310:08:003
111391220,0ptp4l0-21swapper/309:13:523
111391220,0ptp4l0-21swapper/212:06:162
111391220,0ptp4l0-21swapper/210:35:172
111391220,0ptp4l0-21swapper/209:37:582
111391220,0ptp4l0-21swapper/112:33:241
111391220,0ptp4l0-21swapper/112:23:401
111391220,0ptp4l0-21swapper/112:11:051
111391220,0ptp4l0-21swapper/111:59:591
111391220,0ptp4l0-21swapper/111:51:561
111391220,0ptp4l0-21swapper/111:40:121
111391220,0ptp4l0-21swapper/111:36:421
111391220,0ptp4l0-21swapper/111:31:051
111391220,0ptp4l0-21swapper/111:04:161
111391220,0ptp4l0-21swapper/110:53:341
111391220,0ptp4l0-21swapper/110:43:171
111391220,0ptp4l0-21swapper/110:21:511
111391220,0ptp4l0-21swapper/110:13:011
111391220,0ptp4l0-21swapper/109:50:201
111391220,0ptp4l0-21swapper/109:48:541
111391220,0ptp4l0-21swapper/109:20:171
111391220,0ptp4l0-21swapper/109:19:561
111391220,0ptp4l0-21swapper/107:20:001
111391220,0ptp4l0-21swapper/011:49:220
111391220,0ptp4l0-21swapper/011:38:200
111391220,0ptp4l0-21swapper/011:15:050
111391220,0ptp4l0-21swapper/010:40:280
111391220,0ptp4l0-21swapper/010:00:000
111391220,0ptp4l0-21swapper/008:45:110
111391220,0ptp4l0-21swapper/008:45:110
111391220,0ptp4l0-21swapper/008:20:120
111391220,0ptp4l0-21swapper/007:55:200
111391220,0ptp4l0-21swapper/007:30:140
111391220,0ptp4l0-21swapper/007:20:110
111391210,3ptp4l241ktimersoftd/107:54:201
111391210,1ptp4l25-21ksoftirqd/109:25:491
111391210,0ptp4l0-21swapper/711:17:167
111391210,0ptp4l0-21swapper/710:14:387
111391210,0ptp4l0-21swapper/612:36:206
111391210,0ptp4l0-21swapper/611:24:476
111391210,0ptp4l0-21swapper/512:35:495
111391210,0ptp4l0-21swapper/512:15:105
111391210,0ptp4l0-21swapper/511:56:255
111391210,0ptp4l0-21swapper/511:36:105
111391210,0ptp4l0-21swapper/511:16:225
111391210,0ptp4l0-21swapper/511:06:315
111391210,0ptp4l0-21swapper/511:04:185
111391210,0ptp4l0-21swapper/510:53:295
111391210,0ptp4l0-21swapper/510:03:165
111391210,0ptp4l0-21swapper/509:46:485
111391210,0ptp4l0-21swapper/509:11:275
111391210,0ptp4l0-21swapper/508:10:135
111391210,0ptp4l0-21swapper/409:20:234
111391210,0ptp4l0-21swapper/408:06:234
111391210,0ptp4l0-21swapper/407:43:584
111391210,0ptp4l0-21swapper/407:20:164
111391210,0ptp4l0-21swapper/407:10:214
111391210,0ptp4l0-21swapper/310:52:533
111391210,0ptp4l0-21swapper/310:30:043
111391210,0ptp4l0-21swapper/310:29:243
111391210,0ptp4l0-21swapper/211:08:482
111391210,0ptp4l0-21swapper/211:01:222
111391210,0ptp4l0-21swapper/210:57:202
111391210,0ptp4l0-21swapper/209:12:202
111391210,0ptp4l0-21swapper/208:35:162
111391210,0ptp4l0-21swapper/112:28:121
111391210,0ptp4l0-21swapper/112:02:091
111391210,0ptp4l0-21swapper/111:49:271
111391210,0ptp4l0-21swapper/111:25:211
111391210,0ptp4l0-21swapper/111:25:211
111391210,0ptp4l0-21swapper/111:20:351
111391210,0ptp4l0-21swapper/111:17:531
111391210,0ptp4l0-21swapper/111:09:211
111391210,0ptp4l0-21swapper/110:57:321
111391210,0ptp4l0-21swapper/110:38:461
111391210,0ptp4l0-21swapper/110:30:391
111391210,0ptp4l0-21swapper/110:17:451
111391210,0ptp4l0-21swapper/110:02:251
111391210,0ptp4l0-21swapper/109:11:261
111391210,0ptp4l0-21swapper/108:05:131
111391210,0ptp4l0-21swapper/107:40:121
111391210,0ptp4l0-21swapper/107:25:141
111391210,0ptp4l0-21swapper/009:09:390
111391200,0ptp4l0-21swapper/712:33:457
111391200,0ptp4l0-21swapper/710:32:127
111391200,0ptp4l0-21swapper/709:32:337
111391200,0ptp4l0-21swapper/708:05:237
111391200,0ptp4l0-21swapper/610:31:356
111391200,0ptp4l0-21swapper/610:23:456
111391200,0ptp4l0-21swapper/610:05:346
111391200,0ptp4l0-21swapper/609:55:176
111391200,0ptp4l0-21swapper/609:36:326
111391200,0ptp4l0-21swapper/608:56:226
111391200,0ptp4l0-21swapper/512:03:365
111391200,0ptp4l0-21swapper/511:46:195
111391200,0ptp4l0-21swapper/510:37:385
111391200,0ptp4l0-21swapper/510:33:275
111391200,0ptp4l0-21swapper/510:17:595
111391200,0ptp4l0-21swapper/509:28:565
111391200,0ptp4l0-21swapper/508:05:125
111391200,0ptp4l0-21swapper/408:11:224
111391200,0ptp4l0-21swapper/311:17:233
111391200,0ptp4l0-21swapper/309:32:323
111391200,0ptp4l0-21swapper/308:13:343
111391200,0ptp4l0-21swapper/209:33:052
111391200,0ptp4l0-21swapper/209:21:162
111391200,0ptp4l0-21swapper/111:12:241
111391200,0ptp4l0-21swapper/109:08:491
111391200,0ptp4l0-21swapper/008:10:470
111391200,0ptp4l0-21swapper/008:07:020
111391200,0ptp4l0-21swapper/007:25:160
111391190,2ptp4l0-21swapper/108:19:531
111391190,0ptp4l0-21swapper/711:34:497
111391190,0ptp4l0-21swapper/611:01:216
111391190,0ptp4l0-21swapper/610:57:236
111391190,0ptp4l0-21swapper/512:33:275
111391190,0ptp4l0-21swapper/512:08:005
111391190,0ptp4l0-21swapper/511:22:165
111391190,0ptp4l0-21swapper/509:20:055
111391190,0ptp4l0-21swapper/508:00:025
111391190,0ptp4l0-21swapper/507:20:015
111391190,0ptp4l0-21swapper/408:20:124
111391190,0ptp4l0-21swapper/207:55:022
111391190,0ptp4l0-21swapper/108:51:221
111391190,0ptp4l0-21swapper/108:51:221
111391190,0ptp4l0-21swapper/108:45:231
111391190,0ptp4l0-21swapper/108:45:231
111391190,0ptp4l0-21swapper/008:19:020
15480991813,1cyclictest5784-21munin-run12:10:013
111391180,0ptp4l0-21swapper/708:14:027
111391180,0ptp4l0-21swapper/611:16:286
111391180,0ptp4l0-21swapper/610:17:236
111391180,0ptp4l0-21swapper/508:58:475
111391180,0ptp4l0-21swapper/507:56:555
111391180,0ptp4l0-21swapper/108:58:031
15493991716,0cyclictest0-21swapper/509:31:365
111391170,2ptp4l0-21swapper/107:58:001
111391170,0ptp4l0-21swapper/508:24:555
111391170,0ptp4l0-21swapper/507:19:465
111391170,0ptp4l0-21swapper/310:14:423
111391170,0ptp4l0-21swapper/211:16:302
111391170,0ptp4l0-21swapper/210:05:322
111391170,0ptp4l0-21swapper/107:24:451
1550099160,0cyclictest0-21swapper/609:11:216
111391160,0ptp4l0-21swapper/607:36:566
111391160,0ptp4l0-21swapper/508:45:275
111391160,0ptp4l0-21swapper/508:45:275
111391160,0ptp4l0-21swapper/408:18:224
111391160,0ptp4l0-21swapper/211:12:322
111391160,0ptp4l0-21swapper/210:31:332
111391160,0ptp4l0-21swapper/108:37:021
111391160,0ptp4l0-21swapper/108:20:071
111391160,0ptp4l0-21swapper/108:00:001
111391150,0ptp4l0-21swapper/707:45:317
111391150,0ptp4l0-21swapper/707:31:547
111391150,0ptp4l0-21swapper/707:17:397
111391150,0ptp4l0-21swapper/610:35:186
111391150,0ptp4l0-21swapper/609:21:176
111391150,0ptp4l0-21swapper/609:00:266
111391150,0ptp4l0-21swapper/608:35:166
111391150,0ptp4l0-21swapper/608:21:286
111391150,0ptp4l0-21swapper/608:13:316
111391150,0ptp4l0-21swapper/608:07:456
111391150,0ptp4l0-21swapper/608:00:376
111391150,0ptp4l0-21swapper/607:50:016
111391150,0ptp4l0-21swapper/607:49:466
111391150,0ptp4l0-21swapper/607:18:076
111391150,0ptp4l0-21swapper/509:08:475
111391150,0ptp4l0-21swapper/508:50:535
111391150,0ptp4l0-21swapper/508:50:535
111391150,0ptp4l0-21swapper/508:41:335
111391150,0ptp4l0-21swapper/508:37:045
111391150,0ptp4l0-21swapper/507:54:215
111391150,0ptp4l0-21swapper/507:46:475
111391150,0ptp4l0-21swapper/507:38:105
111391150,0ptp4l0-21swapper/507:33:565
111391150,0ptp4l0-21swapper/307:45:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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