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2026-03-12 - 18:45

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 Mar 12, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288822670,0sleep60-21swapper/609:05:016
288822670,0sleep60-21swapper/609:05:016
111391660,30ptp4l0-21swapper/107:05:261
13322630,0sleep10-21swapper/109:12:321
111391600,29ptp4l0-21swapper/007:06:190
187932590,1sleep418796-21timerwakeupswit09:35:194
112982590,2sleep1776899cyclictest10:10:161
1881915848,6phc2sys0-21swapper/407:08:094
718825746,6sleep70-21swapper/707:06:017
734725544,7sleep20-21swapper/207:08:032
111391530,5ptp4l0-21swapper/507:06:065
719324635,7sleep30-21swapper/307:06:053
720524535,6sleep60-21swapper/607:06:166
111391350,0ptp4l0-21swapper/412:10:154
111391330,0ptp4l0-21swapper/411:47:444
111391330,0ptp4l0-21swapper/411:47:444
111391320,0ptp4l0-21swapper/411:10:344
111391320,0ptp4l0-21swapper/009:29:330
111391310,0ptp4l0-21swapper/110:53:521
111391310,0ptp4l0-21swapper/011:58:200
111391300,3ptp4l0-21swapper/409:42:374
111391300,0ptp4l0-21swapper/709:33:477
111391300,0ptp4l0-21swapper/511:00:155
111391300,0ptp4l0-21swapper/509:15:205
111391300,0ptp4l0-21swapper/411:37:304
111391300,0ptp4l0-21swapper/410:56:584
111391300,0ptp4l0-21swapper/410:44:214
111391300,0ptp4l0-21swapper/409:30:424
111391300,0ptp4l0-21swapper/408:20:124
111391300,0ptp4l0-21swapper/012:06:320
111391300,0ptp4l0-21swapper/011:39:480
111391300,0ptp4l0-21swapper/011:01:010
111391300,0ptp4l0-21swapper/009:40:180
111391300,0ptp4l0-21swapper/009:16:110
111391290,0ptp4l0-21swapper/610:46:326
111391290,0ptp4l0-21swapper/510:17:495
111391290,0ptp4l0-21swapper/412:27:404
111391290,0ptp4l0-21swapper/411:17:204
111391290,0ptp4l0-21swapper/410:54:174
111391290,0ptp4l0-21swapper/312:38:563
111391290,0ptp4l0-21swapper/210:13:412
111391290,0ptp4l0-21swapper/109:00:181
111391290,0ptp4l0-21swapper/109:00:171
111391290,0ptp4l0-21swapper/012:01:420
111391290,0ptp4l0-21swapper/011:42:230
111391290,0ptp4l0-21swapper/011:42:230
111391290,0ptp4l0-21swapper/011:27:310
111391290,0ptp4l0-21swapper/010:56:320
111391290,0ptp4l0-21swapper/010:00:120
111391290,0ptp4l0-21swapper/009:48:350
111391280,2ptp4l0-21swapper/010:33:560
111391280,0ptp4l8400-21ssh10:50:570
111391280,0ptp4l0-21swapper/710:11:587
111391280,0ptp4l0-21swapper/612:14:216
111391280,0ptp4l0-21swapper/412:03:464
111391280,0ptp4l0-21swapper/411:27:274
111391280,0ptp4l0-21swapper/410:37:574
111391280,0ptp4l0-21swapper/410:28:494
111391280,0ptp4l0-21swapper/409:25:354
111391280,0ptp4l0-21swapper/209:20:112
111391280,0ptp4l0-21swapper/112:09:311
111391280,0ptp4l0-21swapper/012:15:400
111391280,0ptp4l0-21swapper/010:37:040
111391280,0ptp4l0-21swapper/010:29:340
111391280,0ptp4l0-21swapper/009:22:460
111391280,0ptp4l0-21swapper/009:13:070
111391270,3ptp4l0-21swapper/010:08:250
111391270,2ptp4l0-21swapper/412:22:594
111391270,1ptp4l17740-21/usr/sbin/munin07:30:160
111391270,0ptp4l0-21swapper/412:32:474
111391270,0ptp4l0-21swapper/412:08:164
111391270,0ptp4l0-21swapper/111:58:331
111391270,0ptp4l0-21swapper/012:31:100
111391270,0ptp4l0-21swapper/012:23:410
111391270,0ptp4l0-21swapper/010:40:510
111391270,0ptp4l0-21swapper/010:17:160
111391260,3ptp4l0-21swapper/009:57:480
111391260,1ptp4l16405-21kworker/u16:011:23:194
111391260,0ptp4l0-21swapper/512:15:465
111391260,0ptp4l0-21swapper/410:15:134
111391260,0ptp4l0-21swapper/410:07:384
111391260,0ptp4l0-21swapper/409:58:184
111391260,0ptp4l0-21swapper/408:55:164
111391260,0ptp4l0-21swapper/010:45:130
111391260,0ptp4l0-21swapper/009:53:430
111391260,0ptp4l0-21swapper/009:37:050
111391250,1ptp4l7979-21/usr/sbin/munin07:10:114
111391250,1ptp4l20312-21fw_conntrack07:35:110
111391250,1ptp4l121rcu_preempt10:08:242
111391250,0ptp4l0-21swapper/710:20:037
111391250,0ptp4l0-21swapper/610:13:386
111391250,0ptp4l0-21swapper/511:40:195
111391250,0ptp4l0-21swapper/511:40:195
111391250,0ptp4l0-21swapper/412:35:424
111391250,0ptp4l0-21swapper/411:32:364
111391250,0ptp4l0-21swapper/410:20:154
111391250,0ptp4l0-21swapper/409:50:194
111391250,0ptp4l0-21swapper/409:45:154
111391250,0ptp4l0-21swapper/408:04:074
111391250,0ptp4l0-21swapper/311:42:153
111391250,0ptp4l0-21swapper/311:42:153
111391250,0ptp4l0-21swapper/212:25:122
111391250,0ptp4l0-21swapper/012:15:010
111391250,0ptp4l0-21swapper/011:23:490
111391250,0ptp4l0-21swapper/008:45:170
111391240,4ptp4l13579-21sh09:30:010
111391240,1ptp4l4871-21sed08:10:181
111391240,1ptp4l29029-21/usr/sbin/munin09:05:104
111391240,1ptp4l22582-21df07:40:110
111391240,1ptp4l20822-21cat10:25:001
111391240,1ptp4l11219-21/usr/sbin/munin10:55:165
111391240,0ptp4l30874-21diskmemload11:55:314
111391240,0ptp4l30874-21diskmemload11:15:270
111391240,0ptp4l0-21swapper/710:16:247
111391240,0ptp4l0-21swapper/710:09:517
111391240,0ptp4l0-21swapper/610:33:116
111391240,0ptp4l0-21swapper/511:05:135
111391240,0ptp4l0-21swapper/508:54:535
111391240,0ptp4l0-21swapper/411:40:164
111391240,0ptp4l0-21swapper/411:40:164
111391240,0ptp4l0-21swapper/411:04:534
111391240,0ptp4l0-21swapper/410:45:194
111391240,0ptp4l0-21swapper/410:14:004
111391240,0ptp4l0-21swapper/408:50:154
111391240,0ptp4l0-21swapper/408:45:294
111391240,0ptp4l0-21swapper/408:25:154
111391240,0ptp4l0-21swapper/408:17:504
111391240,0ptp4l0-21swapper/408:10:004
111391240,0ptp4l0-21swapper/407:20:124
111391240,0ptp4l0-21swapper/211:49:132
111391240,0ptp4l0-21swapper/211:49:132
111391240,0ptp4l0-21swapper/111:15:001
111391240,0ptp4l0-21swapper/109:17:011
111391240,0ptp4l0-21swapper/107:15:021
111391240,0ptp4l0-21swapper/012:35:110
111391240,0ptp4l0-21swapper/011:50:130
111391240,0ptp4l0-21swapper/011:12:420
111391240,0ptp4l0-21swapper/010:20:320
111391240,0ptp4l0-21swapper/008:50:190
111391240,0ptp4l0-21swapper/008:19:480
111391240,0ptp4l0-21swapper/007:50:180
111391240,0ptp4l0-21swapper/007:20:310
111391240,0ptp4l0-21swapper/007:20:000
111391240,0ptp4l0-21swapper/007:10:110
111391230,3ptp4l0-21swapper/410:32:454
111391230,2ptp4l0-21swapper/610:43:196
111391230,1ptp4l9875-21crond10:09:593
111391230,0ptp4l0-21swapper/712:20:177
111391230,0ptp4l0-21swapper/709:55:187
111391230,0ptp4l0-21swapper/612:30:196
111391230,0ptp4l0-21swapper/610:25:266
111391230,0ptp4l0-21swapper/609:14:026
111391230,0ptp4l0-21swapper/512:00:505
111391230,0ptp4l0-21swapper/511:10:105
111391230,0ptp4l0-21swapper/510:40:115
111391230,0ptp4l0-21swapper/510:35:155
111391230,0ptp4l0-21swapper/510:25:115
111391230,0ptp4l0-21swapper/510:05:145
111391230,0ptp4l0-21swapper/509:57:525
111391230,0ptp4l0-21swapper/509:37:255
111391230,0ptp4l0-21swapper/509:00:195
111391230,0ptp4l0-21swapper/509:00:185
111391230,0ptp4l0-21swapper/508:10:205
111391230,0ptp4l0-21swapper/507:44:555
111391230,0ptp4l0-21swapper/507:30:145
111391230,0ptp4l0-21swapper/507:20:165
111391230,0ptp4l0-21swapper/412:15:154
111391230,0ptp4l0-21swapper/411:52:194
111391230,0ptp4l0-21swapper/411:05:144
111391230,0ptp4l0-21swapper/410:00:164
111391230,0ptp4l0-21swapper/409:16:474
111391230,0ptp4l0-21swapper/409:10:204
111391230,0ptp4l0-21swapper/408:35:124
111391230,0ptp4l0-21swapper/408:30:124
111391230,0ptp4l0-21swapper/408:10:144
111391230,0ptp4l0-21swapper/407:55:194
111391230,0ptp4l0-21swapper/407:50:114
111391230,0ptp4l0-21swapper/407:45:124
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/407:30:194
111391230,0ptp4l0-21swapper/407:29:594
111391230,0ptp4l0-21swapper/311:48:343
111391230,0ptp4l0-21swapper/311:48:333
111391230,0ptp4l0-21swapper/311:29:003
111391230,0ptp4l0-21swapper/311:21:223
111391230,0ptp4l0-21swapper/309:55:193
111391230,0ptp4l0-21swapper/212:30:172
111391230,0ptp4l0-21swapper/212:05:192
111391230,0ptp4l0-21swapper/211:13:232
111391230,0ptp4l0-21swapper/208:30:142
111391230,0ptp4l0-21swapper/112:34:181
111391230,0ptp4l0-21swapper/112:00:181
111391230,0ptp4l0-21swapper/111:50:191
111391230,0ptp4l0-21swapper/111:30:151
111391230,0ptp4l0-21swapper/111:00:141
111391230,0ptp4l0-21swapper/110:55:121
111391230,0ptp4l0-21swapper/110:30:101
111391230,0ptp4l0-21swapper/110:05:171
111391230,0ptp4l0-21swapper/109:40:141
111391230,0ptp4l0-21swapper/109:20:171
111391230,0ptp4l0-21swapper/108:40:181
111391230,0ptp4l0-21swapper/108:35:191
111391230,0ptp4l0-21swapper/108:20:151
111391230,0ptp4l0-21swapper/107:25:131
111391230,0ptp4l0-21swapper/107:20:151
111391230,0ptp4l0-21swapper/012:25:160
111391230,0ptp4l0-21swapper/011:05:180
111391230,0ptp4l0-21swapper/009:02:360
111391230,0ptp4l0-21swapper/009:02:360
111391230,0ptp4l0-21swapper/008:55:110
111391230,0ptp4l0-21swapper/008:40:100
111391230,0ptp4l0-21swapper/008:25:190
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/008:04:160
111391230,0ptp4l0-21swapper/007:55:120
111391230,0ptp4l0-21swapper/007:45:200
111391230,0ptp4l0-21swapper/007:29:340
111391220,0ptp4l0-21swapper/712:39:057
111391220,0ptp4l0-21swapper/712:19:387
111391220,0ptp4l0-21swapper/711:42:087
111391220,0ptp4l0-21swapper/711:42:077
111391220,0ptp4l0-21swapper/711:28:307
111391220,0ptp4l0-21swapper/711:16:567
111391220,0ptp4l0-21swapper/711:08:017
111391220,0ptp4l0-21swapper/709:35:497
111391220,0ptp4l0-21swapper/709:26:237
111391220,0ptp4l0-21swapper/612:27:056
111391220,0ptp4l0-21swapper/612:19:166
111391220,0ptp4l0-21swapper/612:05:196
111391220,0ptp4l0-21swapper/611:54:566
111391220,0ptp4l0-21swapper/611:33:456
111391220,0ptp4l0-21swapper/611:22:386
111391220,0ptp4l0-21swapper/611:11:466
111391220,0ptp4l0-21swapper/610:51:586
111391220,0ptp4l0-21swapper/610:17:346
111391220,0ptp4l0-21swapper/609:54:306
111391220,0ptp4l0-21swapper/609:40:006
111391220,0ptp4l0-21swapper/609:20:126
111391220,0ptp4l0-21swapper/609:17:446
111391220,0ptp4l0-21swapper/607:34:086
111391220,0ptp4l0-21swapper/512:34:565
111391220,0ptp4l0-21swapper/512:25:065
111391220,0ptp4l0-21swapper/512:06:185
111391220,0ptp4l0-21swapper/511:50:195
111391220,0ptp4l0-21swapper/511:24:555
111391220,0ptp4l0-21swapper/511:19:425
111391220,0ptp4l0-21swapper/510:54:325
111391220,0ptp4l0-21swapper/510:45:175
111391220,0ptp4l0-21swapper/510:30:125
111391220,0ptp4l0-21swapper/510:23:545
111391220,0ptp4l0-21swapper/510:14:485
111391220,0ptp4l0-21swapper/510:02:205
111391220,0ptp4l0-21swapper/509:49:485
111391220,0ptp4l0-21swapper/509:40:125
111391220,0ptp4l0-21swapper/509:30:215
111391220,0ptp4l0-21swapper/509:27:315
111391220,0ptp4l0-21swapper/509:11:115
111391220,0ptp4l0-21swapper/508:05:175
111391220,0ptp4l0-21swapper/507:15:125
111391220,0ptp4l0-21swapper/409:20:164
111391220,0ptp4l0-21swapper/409:04:254
111391220,0ptp4l0-21swapper/409:04:244
111391220,0ptp4l0-21swapper/407:40:104
111391220,0ptp4l0-21swapper/407:15:164
111391220,0ptp4l0-21swapper/312:20:133
111391220,0ptp4l0-21swapper/311:12:083
111391220,0ptp4l0-21swapper/311:08:073
111391220,0ptp4l0-21swapper/310:20:143
111391220,0ptp4l0-21swapper/310:10:143
111391220,0ptp4l0-21swapper/309:26:173
111391220,0ptp4l0-21swapper/210:47:322
111391220,0ptp4l0-21swapper/210:30:392
111391220,0ptp4l0-21swapper/210:19:012
111391220,0ptp4l0-21swapper/210:03:162
111391220,0ptp4l0-21swapper/209:53:262
111391220,0ptp4l0-21swapper/209:44:022
111391220,0ptp4l0-21swapper/209:30:402
111391220,0ptp4l0-21swapper/209:14:042
111391220,0ptp4l0-21swapper/112:37:141
111391220,0ptp4l0-21swapper/112:26:021
111391220,0ptp4l0-21swapper/112:15:191
111391220,0ptp4l0-21swapper/112:11:261
111391220,0ptp4l0-21swapper/111:49:211
111391220,0ptp4l0-21swapper/111:49:211
111391220,0ptp4l0-21swapper/111:40:121
111391220,0ptp4l0-21swapper/111:40:121
111391220,0ptp4l0-21swapper/111:38:101
111391220,0ptp4l0-21swapper/111:27:121
111391220,0ptp4l0-21swapper/111:22:161
111391220,0ptp4l0-21swapper/111:17:281
111391220,0ptp4l0-21swapper/111:05:291
111391220,0ptp4l0-21swapper/110:46:101
111391220,0ptp4l0-21swapper/110:41:141
111391220,0ptp4l0-21swapper/110:35:141
111391220,0ptp4l0-21swapper/110:25:121
111391220,0ptp4l0-21swapper/110:18:351
111391220,0ptp4l0-21swapper/110:02:141
111391220,0ptp4l0-21swapper/109:50:501
111391220,0ptp4l0-21swapper/109:47:391
111391220,0ptp4l0-21swapper/109:36:221
111391220,0ptp4l0-21swapper/109:30:501
111391220,0ptp4l0-21swapper/109:28:281
111391220,0ptp4l0-21swapper/108:05:191
111391220,0ptp4l0-21swapper/107:40:171
111391220,0ptp4l0-21swapper/011:45:120
111391220,0ptp4l0-21swapper/011:45:110
111391220,0ptp4l0-21swapper/011:30:100
111391220,0ptp4l0-21swapper/009:05:120
111391220,0ptp4l0-21swapper/008:35:010
111391220,0ptp4l0-21swapper/008:09:560
111391210,0ptp4l30874-21diskmemload12:36:565
111391210,0ptp4l26510-21ssh11:16:323
111391210,0ptp4l0-21swapper/711:20:587
111391210,0ptp4l0-21swapper/711:12:197
111391210,0ptp4l0-21swapper/711:04:067
111391210,0ptp4l0-21swapper/611:58:106
111391210,0ptp4l0-21swapper/611:40:356
111391210,0ptp4l0-21swapper/611:40:346
111391210,0ptp4l0-21swapper/611:05:486
111391210,0ptp4l0-21swapper/610:39:476
111391210,0ptp4l0-21swapper/609:57:256
111391210,0ptp4l0-21swapper/609:40:016
111391210,0ptp4l0-21swapper/609:28:586
111391210,0ptp4l0-21swapper/512:23:035
111391210,0ptp4l0-21swapper/512:11:035
111391210,0ptp4l0-21swapper/511:56:215
111391210,0ptp4l0-21swapper/511:45:375
111391210,0ptp4l0-21swapper/511:45:375
111391210,0ptp4l0-21swapper/511:35:455
111391210,0ptp4l0-21swapper/511:33:325
111391210,0ptp4l0-21swapper/511:29:425
111391210,0ptp4l0-21swapper/509:50:505
111391210,0ptp4l0-21swapper/509:24:485
111391210,0ptp4l0-21swapper/508:40:195
111391210,0ptp4l0-21swapper/508:20:145
111391210,0ptp4l0-21swapper/508:02:565
111391210,0ptp4l0-21swapper/507:49:205
111391210,0ptp4l0-21swapper/507:25:155
111391210,0ptp4l0-21swapper/312:19:323
111391210,0ptp4l0-21swapper/310:28:373
111391210,0ptp4l0-21swapper/310:15:363
111391210,0ptp4l0-21swapper/309:37:433
111391210,0ptp4l0-21swapper/309:33:013
111391210,0ptp4l0-21swapper/211:56:432
111391210,0ptp4l0-21swapper/211:24:172
111391210,0ptp4l0-21swapper/211:06:282
111391210,0ptp4l0-21swapper/210:57:082
111391210,0ptp4l0-21swapper/210:52:002
111391210,0ptp4l0-21swapper/209:48:222
111391210,0ptp4l0-21swapper/209:29:172
111391210,0ptp4l0-21swapper/207:42:492
111391210,0ptp4l0-21swapper/112:23:471
111391210,0ptp4l0-21swapper/109:57:441
111391210,0ptp4l0-21swapper/109:05:211
111391210,0ptp4l0-21swapper/010:12:240
111391210,0ptp4l0-21swapper/008:30:090
111391210,0ptp4l0-21swapper/008:20:140
111391200,0ptp4l0-21swapper/711:48:007
111391200,0ptp4l0-21swapper/711:48:007
111391200,0ptp4l0-21swapper/707:37:297
111391200,0ptp4l0-21swapper/612:02:256
111391200,0ptp4l0-21swapper/611:37:136
111391200,0ptp4l0-21swapper/610:09:066
111391200,0ptp4l0-21swapper/610:02:316
111391200,0ptp4l0-21swapper/609:45:096
111391200,0ptp4l0-21swapper/609:30:376
111391200,0ptp4l0-21swapper/408:42:434
111391200,0ptp4l0-21swapper/211:50:232
111391200,0ptp4l0-21swapper/211:16:042
111391200,0ptp4l0-21swapper/210:43:222
111391200,0ptp4l0-21swapper/210:39:102
111391200,0ptp4l0-21swapper/210:25:232
111391200,0ptp4l0-21swapper/209:15:452
111391200,0ptp4l0-21swapper/208:48:192
111391200,0ptp4l0-21swapper/208:17:382
111391200,0ptp4l0-21swapper/108:52:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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