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2026-05-17 - 14:35

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 May 17, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,29ptp4l0-21swapper/119:05:191
111391640,30ptp4l0-21swapper/019:05:220
57482610,1sleep233-21ksoftirqd/223:56:282
111391610,5ptp4l0-21swapper/219:09:232
1919626049,7sleep70-21swapper/719:09:177
1910326037,7sleep40-21swapper/419:08:104
57192590,0sleep51068-21runrttasks23:56:235
267172590,0sleep226720-21missed_timers21:30:152
96842580,0sleep10-21swapper/121:50:171
1923725432,7sleep30-21swapper/319:09:533
111391530,5ptp4l0-21swapper/619:06:176
1917724837,6sleep50-21swapper/519:09:075
111391310,3ptp4l0-21swapper/400:31:114
111391310,0ptp4l0-21swapper/021:14:510
111391300,0ptp4l0-21swapper/521:29:535
111391300,0ptp4l0-21swapper/419:30:314
111391300,0ptp4l0-21swapper/122:14:481
111391300,0ptp4l0-21swapper/021:42:130
111391300,0ptp4l0-21swapper/021:42:130
111391290,3ptp4l25974-21ssh22:13:335
111391290,0ptp4l0-21swapper/622:53:316
111391290,0ptp4l0-21swapper/619:10:216
111391290,0ptp4l0-21swapper/619:10:216
111391290,0ptp4l0-21swapper/422:52:574
111391290,0ptp4l0-21swapper/422:23:324
111391290,0ptp4l0-21swapper/422:03:324
111391290,0ptp4l0-21swapper/421:57:144
111391290,0ptp4l0-21swapper/121:59:311
111391290,0ptp4l0-21swapper/023:09:480
111391290,0ptp4l0-21swapper/022:32:580
111391290,0ptp4l0-21swapper/000:05:130
111391280,3ptp4l0-21swapper/500:10:155
111391280,0ptp4l0-21swapper/522:31:595
111391280,0ptp4l0-21swapper/521:21:585
111391280,0ptp4l0-21swapper/521:12:055
111391280,0ptp4l0-21swapper/423:46:464
111391280,0ptp4l0-21swapper/423:08:054
111391280,0ptp4l0-21swapper/422:05:244
111391280,0ptp4l0-21swapper/400:18:414
111391280,0ptp4l0-21swapper/123:13:421
111391280,0ptp4l0-21swapper/121:25:131
111391280,0ptp4l0-21swapper/023:54:180
111391280,0ptp4l0-21swapper/023:39:240
111391280,0ptp4l0-21swapper/023:33:480
111391280,0ptp4l0-21swapper/022:42:180
111391280,0ptp4l0-21swapper/022:21:350
111391280,0ptp4l0-21swapper/000:00:190
111391270,2ptp4l0-21swapper/121:16:391
111391270,0ptp4l0-21swapper/523:41:085
111391270,0ptp4l0-21swapper/522:56:535
111391270,0ptp4l0-21swapper/423:54:104
111391270,0ptp4l0-21swapper/422:49:104
111391270,0ptp4l0-21swapper/422:43:274
111391270,0ptp4l0-21swapper/421:37:144
111391270,0ptp4l0-21swapper/421:16:294
111391270,0ptp4l0-21swapper/420:30:184
111391270,0ptp4l0-21swapper/123:40:041
111391270,0ptp4l0-21swapper/123:32:351
111391270,0ptp4l0-21swapper/123:19:101
111391270,0ptp4l0-21swapper/122:35:471
111391270,0ptp4l0-21swapper/122:21:541
111391270,0ptp4l0-21swapper/122:05:091
111391270,0ptp4l0-21swapper/121:00:141
111391270,0ptp4l0-21swapper/023:02:530
111391270,0ptp4l0-21swapper/021:47:380
111391270,0ptp4l0-21swapper/021:47:370
111391270,0ptp4l0-21swapper/000:35:110
111391270,0ptp4l0-21swapper/000:25:210
111391260,0ptp4l121rcu_preempt22:03:400
111391260,0ptp4l0-21swapper/522:26:405
111391260,0ptp4l0-21swapper/500:32:145
111391260,0ptp4l0-21swapper/423:43:524
111391260,0ptp4l0-21swapper/423:22:014
111391260,0ptp4l0-21swapper/422:25:094
111391260,0ptp4l0-21swapper/421:40:224
111391260,0ptp4l0-21swapper/421:40:214
111391260,0ptp4l0-21swapper/421:14:014
111391260,0ptp4l0-21swapper/419:40:164
111391260,0ptp4l0-21swapper/400:10:014
111391260,0ptp4l0-21swapper/221:25:362
111391260,0ptp4l0-21swapper/022:56:470
111391260,0ptp4l0-21swapper/022:48:040
111391260,0ptp4l0-21swapper/022:25:080
111391260,0ptp4l0-21swapper/021:56:530
111391260,0ptp4l0-21swapper/021:37:440
111391260,0ptp4l0-21swapper/019:30:260
111391260,0ptp4l0-21swapper/000:21:410
111391260,0ptp4l0-21swapper/000:21:400
111391250,5ptp4l0-21swapper/500:09:005
111391250,3ptp4l0-21swapper/023:57:040
111391250,2ptp4l23680-21ssh21:25:346
111391250,1ptp4l17194-21sh00:14:010
111391250,0ptp4l0-21swapper/520:40:195
111391250,0ptp4l0-21swapper/500:27:555
111391250,0ptp4l0-21swapper/423:32:534
111391250,0ptp4l0-21swapper/421:52:134
111391250,0ptp4l0-21swapper/421:47:584
111391250,0ptp4l0-21swapper/421:47:584
111391250,0ptp4l0-21swapper/421:32:514
111391250,0ptp4l0-21swapper/400:25:184
111391250,0ptp4l0-21swapper/323:16:303
111391250,0ptp4l0-21swapper/100:20:001
111391250,0ptp4l0-21swapper/022:54:420
111391250,0ptp4l0-21swapper/022:10:170
111391250,0ptp4l0-21swapper/022:06:440
111391250,0ptp4l0-21swapper/000:18:040
111391240,1ptp4l6850-21memory21:00:165
111391240,1ptp4l29917-21sensors23:45:180
111391240,1ptp4l1061-21snmpd22:10:204
111391240,0ptp4l0-21swapper/522:45:185
111391240,0ptp4l0-21swapper/521:37:575
111391240,0ptp4l0-21swapper/519:55:135
111391240,0ptp4l0-21swapper/423:39:584
111391240,0ptp4l0-21swapper/420:40:204
111391240,0ptp4l0-21swapper/419:20:194
111391240,0ptp4l0-21swapper/400:37:014
111391240,0ptp4l0-21swapper/400:05:124
111391240,0ptp4l0-21swapper/123:07:091
111391240,0ptp4l0-21swapper/122:31:261
111391240,0ptp4l0-21swapper/122:05:001
111391240,0ptp4l0-21swapper/121:31:131
111391240,0ptp4l0-21swapper/121:20:201
111391240,0ptp4l0-21swapper/121:05:121
111391240,0ptp4l0-21swapper/120:15:161
111391240,0ptp4l0-21swapper/023:25:400
111391240,0ptp4l0-21swapper/023:20:180
111391240,0ptp4l0-21swapper/023:10:150
111391240,0ptp4l0-21swapper/021:52:200
111391240,0ptp4l0-21swapper/020:25:160
111391240,0ptp4l0-21swapper/020:10:100
202692230,0sleep30-21swapper/319:10:163
202692230,0sleep30-21swapper/319:10:163
111391230,1ptp4l799-21NetworkManager22:36:080
111391230,1ptp4l27895-21/usr/sbin/munin23:00:194
111391230,1ptp4l26136-21ps23:40:180
111391230,1ptp4l19695-21sh20:20:000
111391230,0ptp4l10278-21diskmemload22:57:331
111391230,0ptp4l0-21swapper/523:35:005
111391230,0ptp4l0-21swapper/523:15:005
111391230,0ptp4l0-21swapper/523:04:345
111391230,0ptp4l0-21swapper/520:20:215
111391230,0ptp4l0-21swapper/519:45:125
111391230,0ptp4l0-21swapper/519:35:155
111391230,0ptp4l0-21swapper/423:25:114
111391230,0ptp4l0-21swapper/423:10:184
111391230,0ptp4l0-21swapper/422:30:194
111391230,0ptp4l0-21swapper/422:15:114
111391230,0ptp4l0-21swapper/421:30:004
111391230,0ptp4l0-21swapper/421:20:154
111391230,0ptp4l0-21swapper/420:50:204
111391230,0ptp4l0-21swapper/420:46:164
111391230,0ptp4l0-21swapper/420:25:114
111391230,0ptp4l0-21swapper/420:05:164
111391230,0ptp4l0-21swapper/419:25:194
111391230,0ptp4l0-21swapper/419:15:134
111391230,0ptp4l0-21swapper/400:20:174
111391230,0ptp4l0-21swapper/400:20:164
111391230,0ptp4l0-21swapper/400:01:504
111391230,0ptp4l0-21swapper/223:54:382
111391230,0ptp4l0-21swapper/219:10:012
111391230,0ptp4l0-21swapper/219:10:002
111391230,0ptp4l0-21swapper/122:40:121
111391230,0ptp4l0-21swapper/122:15:191
111391230,0ptp4l0-21swapper/121:12:081
111391230,0ptp4l0-21swapper/120:40:001
111391230,0ptp4l0-21swapper/120:20:111
111391230,0ptp4l0-21swapper/120:05:181
111391230,0ptp4l0-21swapper/119:55:141
111391230,0ptp4l0-21swapper/119:50:131
111391230,0ptp4l0-21swapper/119:15:171
111391230,0ptp4l0-21swapper/100:29:011
111391230,0ptp4l0-21swapper/100:10:171
111391230,0ptp4l0-21swapper/100:05:001
111391230,0ptp4l0-21swapper/022:15:130
111391230,0ptp4l0-21swapper/021:20:040
111391230,0ptp4l0-21swapper/021:15:140
111391230,0ptp4l0-21swapper/020:30:200
111391230,0ptp4l0-21swapper/019:40:120
111391230,0ptp4l0-21swapper/000:30:190
111391220,0ptp4l0-21swapper/721:45:147
111391220,0ptp4l0-21swapper/721:45:137
111391220,0ptp4l0-21swapper/622:35:506
111391220,0ptp4l0-21swapper/523:37:365
111391220,0ptp4l0-21swapper/523:27:385
111391220,0ptp4l0-21swapper/523:16:595
111391220,0ptp4l0-21swapper/523:05:435
111391220,0ptp4l0-21swapper/522:40:135
111391220,0ptp4l0-21swapper/522:35:215
111391220,0ptp4l0-21swapper/522:24:265
111391220,0ptp4l0-21swapper/522:05:125
111391220,0ptp4l0-21swapper/522:02:425
111391220,0ptp4l0-21swapper/521:57:185
111391220,0ptp4l0-21swapper/521:50:135
111391220,0ptp4l0-21swapper/521:42:495
111391220,0ptp4l0-21swapper/521:42:495
111391220,0ptp4l0-21swapper/521:30:155
111391220,0ptp4l0-21swapper/521:15:025
111391220,0ptp4l0-21swapper/520:15:145
111391220,0ptp4l0-21swapper/520:00:155
111391220,0ptp4l0-21swapper/519:50:125
111391220,0ptp4l0-21swapper/519:15:185
111391220,0ptp4l0-21swapper/500:36:295
111391220,0ptp4l0-21swapper/500:20:005
111391220,0ptp4l0-21swapper/423:55:124
111391220,0ptp4l0-21swapper/423:15:384
111391220,0ptp4l0-21swapper/422:55:124
111391220,0ptp4l0-21swapper/422:35:154
111391220,0ptp4l0-21swapper/420:35:014
111391220,0ptp4l0-21swapper/420:10:094
111391220,0ptp4l0-21swapper/321:45:183
111391220,0ptp4l0-21swapper/321:45:183
111391220,0ptp4l0-21swapper/300:28:193
111391220,0ptp4l0-21swapper/222:35:522
111391220,0ptp4l0-21swapper/123:56:071
111391220,0ptp4l0-21swapper/123:26:561
111391220,0ptp4l0-21swapper/123:04:391
111391220,0ptp4l0-21swapper/122:52:461
111391220,0ptp4l0-21swapper/122:46:481
111391220,0ptp4l0-21swapper/122:28:311
111391220,0ptp4l0-21swapper/121:35:581
111391220,0ptp4l0-21swapper/120:40:011
111391220,0ptp4l0-21swapper/119:45:121
111391220,0ptp4l0-21swapper/119:35:111
111391220,0ptp4l0-21swapper/100:39:221
111391220,0ptp4l0-21swapper/100:30:301
111391220,0ptp4l0-21swapper/023:18:250
111391220,0ptp4l0-21swapper/021:33:360
111391220,0ptp4l0-21swapper/021:25:160
111391220,0ptp4l0-21swapper/020:55:160
111391220,0ptp4l0-21swapper/020:50:180
111391220,0ptp4l0-21swapper/020:35:160
111391220,0ptp4l0-21swapper/020:00:190
111391220,0ptp4l0-21swapper/019:52:570
111391220,0ptp4l0-21swapper/019:35:190
111391220,0ptp4l0-21swapper/019:25:210
111391220,0ptp4l0-21swapper/019:20:130
111391220,0ptp4l0-21swapper/019:15:010
111391210,1ptp4l19317-21taskset20:15:204
111391210,0ptp4l0-21swapper/723:16:167
111391210,0ptp4l0-21swapper/723:12:587
111391210,0ptp4l0-21swapper/623:54:266
111391210,0ptp4l0-21swapper/622:32:426
111391210,0ptp4l0-21swapper/600:25:466
111391210,0ptp4l0-21swapper/522:52:505
111391210,0ptp4l0-21swapper/522:15:025
111391210,0ptp4l0-21swapper/521:45:455
111391210,0ptp4l0-21swapper/521:45:445
111391210,0ptp4l0-21swapper/521:05:185
111391210,0ptp4l0-21swapper/520:38:395
111391210,0ptp4l0-21swapper/500:01:235
111391210,0ptp4l0-21swapper/421:04:474
111391210,0ptp4l0-21swapper/420:01:034
111391210,0ptp4l0-21swapper/419:11:124
111391210,0ptp4l0-21swapper/419:11:124
111391210,0ptp4l0-21swapper/321:16:233
111391210,0ptp4l0-21swapper/300:17:543
111391210,0ptp4l0-21swapper/223:03:472
111391210,0ptp4l0-21swapper/222:53:342
111391210,0ptp4l0-21swapper/222:32:402
111391210,0ptp4l0-21swapper/221:55:042
111391210,0ptp4l0-21swapper/200:30:022
111391210,0ptp4l0-21swapper/123:53:191
111391210,0ptp4l0-21swapper/123:38:301
111391210,0ptp4l0-21swapper/121:45:461
111391210,0ptp4l0-21swapper/121:45:451
111391210,0ptp4l0-21swapper/120:45:121
111391210,0ptp4l0-21swapper/120:00:141
111391210,0ptp4l0-21swapper/119:27:121
111391210,0ptp4l0-21swapper/119:10:571
111391210,0ptp4l0-21swapper/119:10:571
111391210,0ptp4l0-21swapper/100:20:501
111391210,0ptp4l0-21swapper/100:20:501
111391210,0ptp4l0-21swapper/100:05:041
111391210,0ptp4l0-21swapper/021:04:420
111391210,0ptp4l0-21swapper/020:45:140
111391210,0ptp4l0-21swapper/019:59:370
111391200,0ptp4l0-21swapper/721:16:207
111391200,0ptp4l0-21swapper/719:13:277
111391200,0ptp4l0-21swapper/719:13:277
111391200,0ptp4l0-21swapper/623:03:466
111391200,0ptp4l0-21swapper/621:55:066
111391200,0ptp4l0-21swapper/620:01:576
111391200,0ptp4l0-21swapper/600:30:016
111391200,0ptp4l0-21swapper/523:21:165
111391200,0ptp4l0-21swapper/519:44:575
111391200,0ptp4l0-21swapper/519:22:575
111391200,0ptp4l0-21swapper/500:20:395
111391200,0ptp4l0-21swapper/500:20:385
111391200,0ptp4l0-21swapper/419:51:564
111391200,0ptp4l0-21swapper/419:46:554
111391200,0ptp4l0-21swapper/419:35:224
111391200,0ptp4l0-21swapper/323:12:553
111391200,0ptp4l0-21swapper/120:32:121
111391200,0ptp4l0-21swapper/119:43:121
111391200,0ptp4l0-21swapper/021:07:150
111391200,0ptp4l0-21swapper/020:06:370
111391200,0ptp4l0-21swapper/019:11:500
111391200,0ptp4l0-21swapper/019:11:500
111391190,3ptp4l0-21swapper/619:49:166
111391190,0ptp4l0-21swapper/700:24:597
111391190,0ptp4l0-21swapper/700:24:587
111391190,0ptp4l0-21swapper/620:47:136
111391190,0ptp4l0-21swapper/420:55:184
111391190,0ptp4l0-21swapper/420:20:574
111391190,0ptp4l0-21swapper/420:00:014
111391190,0ptp4l0-21swapper/200:08:402
111391190,0ptp4l0-21swapper/121:42:491
111391190,0ptp4l0-21swapper/121:42:481
111391190,0ptp4l0-21swapper/120:13:421
111391190,0ptp4l0-21swapper/119:32:531
111391190,0ptp4l0-21swapper/020:44:380
111391190,0ptp4l0-21swapper/019:48:550
111391180,0ptp4l0-21swapper/623:58:276
111391180,0ptp4l0-21swapper/520:13:475
111391180,0ptp4l0-21swapper/221:55:002
111391180,0ptp4l0-21swapper/020:22:080
111391170,0ptp4l0-21swapper/700:28:147
111391170,0ptp4l0-21swapper/520:32:345
111391170,0ptp4l0-21swapper/320:57:453
111391170,0ptp4l0-21swapper/220:02:032
111391170,0ptp4l0-21swapper/200:29:592
111391160,0ptp4l0-21swapper/600:08:456
111391160,0ptp4l0-21swapper/520:57:035
111391160,0ptp4l0-21swapper/520:27:345
111391160,0ptp4l0-21swapper/421:05:534
111391160,0ptp4l0-21swapper/222:17:392
111391160,0ptp4l0-21swapper/221:18:432
111391160,0ptp4l0-21swapper/220:47:122
111391160,0ptp4l0-21swapper/219:27:572
111391160,0ptp4l0-21swapper/123:45:431
111391160,0ptp4l0-21swapper/123:23:591
111391160,0ptp4l0-21swapper/120:28:081
111391150,0ptp4l0-21swapper/720:57:437
111391150,0ptp4l0-21swapper/720:21:257
111391150,0ptp4l0-21swapper/621:54:596
111391150,0ptp4l0-21swapper/621:02:126
111391150,0ptp4l0-21swapper/620:56:506
111391150,0ptp4l0-21swapper/619:51:366
111391150,0ptp4l0-21swapper/619:30:026
111391150,0ptp4l0-21swapper/619:27:586
111391150,0ptp4l0-21swapper/523:50:255
111391150,0ptp4l0-21swapper/520:52:065
111391150,0ptp4l0-21swapper/520:05:235
111391150,0ptp4l0-21swapper/519:32:405
111391150,0ptp4l0-21swapper/519:25:475
111391150,0ptp4l0-21swapper/519:10:365
111391150,0ptp4l0-21swapper/519:10:365
111391150,0ptp4l0-21swapper/320:21:303
111391150,0ptp4l0-21swapper/300:24:593
111391150,0ptp4l0-21swapper/300:24:593
111391150,0ptp4l0-21swapper/221:02:122
111391150,0ptp4l0-21swapper/220:56:502
111391150,0ptp4l0-21swapper/220:06:522
111391150,0ptp4l0-21swapper/219:47:562
111391150,0ptp4l0-21swapper/219:30:022
111391150,0ptp4l0-21swapper/120:57:011
111391150,0ptp4l0-21swapper/120:52:011
111391150,0ptp4l0-21swapper/119:21:521
19557991411,2cyclictest28867-21munin-run20:40:006
111391140,0ptp4l0-21swapper/622:23:166
111391140,0ptp4l0-21swapper/622:17:416
111391140,0ptp4l0-21swapper/620:51:186
111391140,0ptp4l0-21swapper/620:08:466
111391140,0ptp4l0-21swapper/619:36:046
111391140,0ptp4l0-21swapper/523:45:425
111391140,0ptp4l0-21swapper/220:51:232
111391140,0ptp4l0-21swapper/219:36:052
324992130,0sleep50-21swapper/520:45:185
1956599110,10cyclictest0-21swapper/723:00:127
1955799110,1cyclictest0-21swapper/600:35:226
1956599100,9cyclictest0-21swapper/700:38:547
1955799109,0cyclictest0-21swapper/621:33:416
1953799108,1cyclictest0-21swapper/322:10:133
195659998,0cyclictest0-21swapper/721:43:597
195659998,0cyclictest0-21swapper/721:43:597
195659990,0cyclictest0-21swapper/722:59:447
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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