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2026-07-29 - 05:52

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 Wed Jul 29, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391710,5ptp4l0-21swapper/119:05:161
111391710,5ptp4l0-21swapper/119:05:161
203912620,0sleep00-21swapper/021:40:170
111391620,5ptp4l0-21swapper/419:08:564
111391620,5ptp4l0-21swapper/419:08:564
111391620,28ptp4l0-21swapper/019:08:020
111391620,28ptp4l0-21swapper/019:08:010
298382610,0sleep30-21swapper/321:54:383
225992590,0sleep21068-21runrttasks21:45:012
201642590,0sleep20-21swapper/223:09:042
301482580,0sleep60-21swapper/623:21:266
521125646,6sleep20-21swapper/219:08:432
521125646,6sleep20-21swapper/219:08:422
519825534,6sleep70-21swapper/719:08:327
519825534,6sleep70-21swapper/719:08:317
111391530,5ptp4l0-21swapper/519:05:035
111391530,5ptp4l0-21swapper/519:05:035
519724635,7sleep60-21swapper/619:08:306
519724635,7sleep60-21swapper/619:08:306
508624635,7sleep30-21swapper/319:07:073
508624635,7sleep30-21swapper/319:07:073
20252450,0sleep00-21swapper/023:27:520
111391370,0ptp4l0-21swapper/400:02:034
111391330,1ptp4l21238-21fw_forwarded_lo23:10:130
111391330,0ptp4l0-21swapper/020:35:000
111391310,0ptp4l0-21swapper/400:31:434
111391310,0ptp4l0-21swapper/023:50:010
111391310,0ptp4l0-21swapper/023:38:130
111391310,0ptp4l0-21swapper/023:00:180
111391310,0ptp4l0-21swapper/022:11:170
111391300,1ptp4l0-21swapper/622:04:106
111391300,0ptp4l0-21swapper/422:39:084
111391300,0ptp4l0-21swapper/422:05:144
111391300,0ptp4l0-21swapper/120:55:211
111391290,3ptp4l0-21swapper/021:33:220
111391290,0ptp4l0-21swapper/422:19:134
111391290,0ptp4l0-21swapper/421:50:414
111391290,0ptp4l0-21swapper/421:36:424
111391290,0ptp4l0-21swapper/400:37:484
111391290,0ptp4l0-21swapper/121:29:311
111391290,0ptp4l0-21swapper/100:15:351
111391290,0ptp4l0-21swapper/023:58:320
111391290,0ptp4l0-21swapper/022:00:280
111391290,0ptp4l0-21swapper/021:50:210
111391290,0ptp4l0-21swapper/021:12:120
111391290,0ptp4l0-21swapper/000:03:550
111391280,3ptp4l0-21swapper/021:28:520
111391280,1ptp4l13302-21sh23:43:576
111391280,1ptp4l1068-21runrttasks00:17:120
111391280,0ptp4l0-21swapper/623:51:166
111391280,0ptp4l0-21swapper/521:32:275
111391280,0ptp4l0-21swapper/423:54:474
111391280,0ptp4l0-21swapper/423:09:254
111391280,0ptp4l0-21swapper/421:49:254
111391280,0ptp4l0-21swapper/421:49:244
111391280,0ptp4l0-21swapper/421:43:034
111391280,0ptp4l0-21swapper/421:20:014
111391280,0ptp4l0-21swapper/421:10:424
111391280,0ptp4l0-21swapper/023:19:590
111391280,0ptp4l0-21swapper/023:09:560
111391280,0ptp4l0-21swapper/022:34:150
111391280,0ptp4l0-21swapper/000:34:550
111391270,3ptp4l0-21swapper/419:35:164
111391270,2ptp4l0-21swapper/020:35:180
111391270,0ptp4l0-21swapper/721:23:007
111391270,0ptp4l0-21swapper/423:46:114
111391270,0ptp4l0-21swapper/423:27:254
111391270,0ptp4l0-21swapper/423:10:494
111391270,0ptp4l0-21swapper/422:47:344
111391270,0ptp4l0-21swapper/400:17:234
111391270,0ptp4l0-21swapper/123:22:091
111391270,0ptp4l0-21swapper/023:51:360
111391270,0ptp4l0-21swapper/022:21:240
111391260,0ptp4l0-21swapper/500:11:015
111391260,0ptp4l0-21swapper/421:28:014
111391260,0ptp4l0-21swapper/420:29:534
111391260,0ptp4l0-21swapper/023:30:510
111391260,0ptp4l0-21swapper/022:47:510
111391260,0ptp4l0-21swapper/021:57:560
111391260,0ptp4l0-21swapper/000:25:210
111391250,0ptp4l121rcu_preempt23:03:011
111391250,0ptp4l0-21swapper/520:50:155
111391250,0ptp4l0-21swapper/422:56:054
111391250,0ptp4l0-21swapper/422:30:124
111391250,0ptp4l0-21swapper/422:30:004
111391250,0ptp4l0-21swapper/400:26:214
111391250,0ptp4l0-21swapper/121:35:101
111391250,0ptp4l0-21swapper/120:55:001
111391250,0ptp4l0-21swapper/119:25:171
111391250,0ptp4l0-21swapper/023:44:490
111391250,0ptp4l0-21swapper/022:41:000
111391250,0ptp4l0-21swapper/021:18:140
111391250,0ptp4l0-21swapper/000:11:280
111391240,1ptp4l906-21/usr/sbin/munin21:15:154
111391240,1ptp4l27831-21ptp4l-jitter21:05:174
111391240,1ptp4l18659-21load00:35:161
111391240,1ptp4l18516-21/usr/sbin/munin00:35:155
111391240,1ptp4l18470-21irqstats19:35:130
111391240,1ptp4l16764-21smartctl22:20:144
111391240,1ptp4l11972-21ssh21:30:121
111391240,1ptp4l11478-21users22:55:211
111391240,1ptp4l0-21swapper/423:57:324
111391240,0ptp4l0-21swapper/700:06:457
111391240,0ptp4l0-21swapper/521:35:115
111391240,0ptp4l0-21swapper/521:06:425
111391240,0ptp4l0-21swapper/519:30:125
111391240,0ptp4l0-21swapper/500:15:155
111391240,0ptp4l0-21swapper/423:44:554
111391240,0ptp4l0-21swapper/423:17:304
111391240,0ptp4l0-21swapper/422:14:354
111391240,0ptp4l0-21swapper/422:01:124
111391240,0ptp4l0-21swapper/421:55:134
111391240,0ptp4l0-21swapper/420:19:224
111391240,0ptp4l0-21swapper/419:45:134
111391240,0ptp4l0-21swapper/400:20:034
111391240,0ptp4l0-21swapper/400:20:024
111391240,0ptp4l0-21swapper/321:24:563
111391240,0ptp4l0-21swapper/123:33:081
111391240,0ptp4l0-21swapper/122:49:171
111391240,0ptp4l0-21swapper/122:33:431
111391240,0ptp4l0-21swapper/122:08:591
111391240,0ptp4l0-21swapper/120:20:181
111391240,0ptp4l0-21swapper/119:55:121
111391240,0ptp4l0-21swapper/023:25:000
111391240,0ptp4l0-21swapper/022:58:530
111391240,0ptp4l0-21swapper/022:50:200
111391240,0ptp4l0-21swapper/022:35:440
111391240,0ptp4l0-21swapper/022:28:510
111391240,0ptp4l0-21swapper/022:17:550
111391240,0ptp4l0-21swapper/022:05:170
111391240,0ptp4l0-21swapper/021:37:200
111391240,0ptp4l0-21swapper/020:05:140
111391240,0ptp4l0-21swapper/000:39:210
111391240,0ptp4l0-21swapper/000:23:060
111391240,0ptp4l0-21swapper/000:23:050
111391230,3ptp4l321ktimersoftd/222:48:152
111391230,1ptp4l20417-21sh22:25:115
111391230,1ptp4l1454-21ssh00:10:384
111391230,1ptp4l13858-21ssh21:31:534
111391230,0ptp4l0-21swapper/722:18:327
111391230,0ptp4l0-21swapper/621:51:246
111391230,0ptp4l0-21swapper/523:25:165
111391230,0ptp4l0-21swapper/522:55:135
111391230,0ptp4l0-21swapper/522:00:165
111391230,0ptp4l0-21swapper/520:55:225
111391230,0ptp4l0-21swapper/520:40:195
111391230,0ptp4l0-21swapper/520:25:225
111391230,0ptp4l0-21swapper/520:20:115
111391230,0ptp4l0-21swapper/519:55:115
111391230,0ptp4l0-21swapper/519:25:205
111391230,0ptp4l0-21swapper/500:20:215
111391230,0ptp4l0-21swapper/500:20:205
111391230,0ptp4l0-21swapper/423:35:154
111391230,0ptp4l0-21swapper/423:23:444
111391230,0ptp4l0-21swapper/423:00:204
111391230,0ptp4l0-21swapper/422:51:324
111391230,0ptp4l0-21swapper/422:40:174
111391230,0ptp4l0-21swapper/420:00:104
111391230,0ptp4l0-21swapper/419:40:154
111391230,0ptp4l0-21swapper/419:20:164
111391230,0ptp4l0-21swapper/419:15:134
111391230,0ptp4l0-21swapper/419:10:164
111391230,0ptp4l0-21swapper/400:05:354
111391230,0ptp4l0-21swapper/323:38:233
111391230,0ptp4l0-21swapper/321:25:203
111391230,0ptp4l0-21swapper/300:25:133
111391230,0ptp4l0-21swapper/222:15:162
111391230,0ptp4l0-21swapper/123:47:241
111391230,0ptp4l0-21swapper/123:25:181
111391230,0ptp4l0-21swapper/123:12:301
111391230,0ptp4l0-21swapper/123:06:061
111391230,0ptp4l0-21swapper/122:43:131
111391230,0ptp4l0-21swapper/122:25:181
111391230,0ptp4l0-21swapper/122:21:571
111391230,0ptp4l0-21swapper/122:00:151
111391230,0ptp4l0-21swapper/120:05:161
111391230,0ptp4l0-21swapper/120:00:181
111391230,0ptp4l0-21swapper/119:10:201
111391230,0ptp4l0-21swapper/100:20:171
111391230,0ptp4l0-21swapper/100:20:161
111391230,0ptp4l0-21swapper/100:10:191
111391230,0ptp4l0-21swapper/021:45:130
111391230,0ptp4l0-21swapper/021:45:120
111391230,0ptp4l0-21swapper/021:20:130
111391230,0ptp4l0-21swapper/021:05:180
111391230,0ptp4l0-21swapper/021:00:120
111391230,0ptp4l0-21swapper/020:56:450
111391230,0ptp4l0-21swapper/020:10:120
111391230,0ptp4l0-21swapper/019:20:130
111391230,0ptp4l0-21swapper/000:07:510
111391220,0ptp4l0-21swapper/721:25:167
111391220,0ptp4l0-21swapper/700:25:017
111391220,0ptp4l0-21swapper/622:48:236
111391220,0ptp4l0-21swapper/622:15:136
111391220,0ptp4l0-21swapper/620:48:016
111391220,0ptp4l0-21swapper/523:54:315
111391220,0ptp4l0-21swapper/523:32:425
111391220,0ptp4l0-21swapper/523:12:555
111391220,0ptp4l0-21swapper/523:07:415
111391220,0ptp4l0-21swapper/523:01:355
111391220,0ptp4l0-21swapper/522:45:235
111391220,0ptp4l0-21swapper/522:41:415
111391220,0ptp4l0-21swapper/522:20:205
111391220,0ptp4l0-21swapper/522:19:575
111391220,0ptp4l0-21swapper/522:11:475
111391220,0ptp4l0-21swapper/522:07:425
111391220,0ptp4l0-21swapper/521:53:405
111391220,0ptp4l0-21swapper/521:42:555
111391220,0ptp4l0-21swapper/521:12:475
111391220,0ptp4l0-21swapper/520:05:175
111391220,0ptp4l0-21swapper/423:31:114
111391220,0ptp4l0-21swapper/421:00:114
111391220,0ptp4l0-21swapper/420:45:174
111391220,0ptp4l0-21swapper/420:35:114
111391220,0ptp4l0-21swapper/420:30:124
111391220,0ptp4l0-21swapper/420:10:144
111391220,0ptp4l0-21swapper/420:05:134
111391220,0ptp4l0-21swapper/419:50:134
111391220,0ptp4l0-21swapper/223:35:232
111391220,0ptp4l0-21swapper/223:02:252
111391220,0ptp4l0-21swapper/123:51:441
111391220,0ptp4l0-21swapper/122:12:171
111391220,0ptp4l0-21swapper/121:53:251
111391220,0ptp4l0-21swapper/121:46:151
111391220,0ptp4l0-21swapper/121:46:141
111391220,0ptp4l0-21swapper/121:20:191
111391220,0ptp4l0-21swapper/121:12:281
111391220,0ptp4l0-21swapper/120:40:131
111391220,0ptp4l0-21swapper/120:25:131
111391220,0ptp4l0-21swapper/119:30:111
111391220,0ptp4l0-21swapper/100:09:571
111391220,0ptp4l0-21swapper/100:02:371
111391220,0ptp4l0-21swapper/020:50:220
111391220,0ptp4l0-21swapper/020:15:230
111391220,0ptp4l0-21swapper/020:00:130
111391220,0ptp4l0-21swapper/019:45:130
111391220,0ptp4l0-21swapper/019:30:210
111391220,0ptp4l0-21swapper/019:15:210
111391220,0ptp4l0-21swapper/019:10:160
111391210,2ptp4l0-21swapper/123:41:361
111391210,1ptp4l17377-21sed20:45:014
111391210,0ptp4l0-21swapper/723:38:377
111391210,0ptp4l0-21swapper/700:24:577
111391210,0ptp4l0-21swapper/700:24:567
111391210,0ptp4l0-21swapper/623:46:316
111391210,0ptp4l0-21swapper/623:08:366
111391210,0ptp4l0-21swapper/622:14:166
111391210,0ptp4l0-21swapper/621:17:226
111391210,0ptp4l0-21swapper/619:15:026
111391210,0ptp4l0-21swapper/600:32:586
111391210,0ptp4l0-21swapper/600:14:146
111391210,0ptp4l0-21swapper/523:47:105
111391210,0ptp4l0-21swapper/523:18:025
111391210,0ptp4l0-21swapper/522:50:375
111391210,0ptp4l0-21swapper/522:30:385
111391210,0ptp4l0-21swapper/521:58:115
111391210,0ptp4l0-21swapper/521:46:115
111391210,0ptp4l0-21swapper/521:46:105
111391210,0ptp4l0-21swapper/500:09:285
111391210,0ptp4l0-21swapper/500:02:145
111391210,0ptp4l0-21swapper/421:00:014
111391210,0ptp4l0-21swapper/420:20:004
111391210,0ptp4l0-21swapper/419:31:004
111391210,0ptp4l0-21swapper/300:06:343
111391210,0ptp4l0-21swapper/222:37:232
111391210,0ptp4l0-21swapper/222:14:082
111391210,0ptp4l0-21swapper/222:04:062
111391210,0ptp4l0-21swapper/221:17:162
111391210,0ptp4l0-21swapper/200:14:112
111391210,0ptp4l0-21swapper/200:00:262
111391210,0ptp4l0-21swapper/122:52:031
111391210,0ptp4l0-21swapper/121:41:111
111391210,0ptp4l0-21swapper/121:18:311
111391210,0ptp4l0-21swapper/100:32:071
111391210,0ptp4l0-21swapper/100:28:131
111391210,0ptp4l0-21swapper/020:45:180
111391210,0ptp4l0-21swapper/020:44:390
111391210,0ptp4l0-21swapper/019:50:180
111391210,0ptp4l0-21swapper/019:40:130
111391200,2ptp4l0-21swapper/420:52:414
111391200,0ptp4l0-21swapper/622:37:256
111391200,0ptp4l0-21swapper/523:43:255
111391200,0ptp4l0-21swapper/523:20:155
111391200,0ptp4l0-21swapper/521:27:455
111391200,0ptp4l0-21swapper/521:24:305
111391200,0ptp4l0-21swapper/521:18:505
111391200,0ptp4l0-21swapper/520:49:215
111391200,0ptp4l0-21swapper/520:01:425
111391200,0ptp4l0-21swapper/500:32:085
111391200,0ptp4l0-21swapper/321:48:473
111391200,0ptp4l0-21swapper/321:48:463
111391200,0ptp4l0-21swapper/300:24:473
111391200,0ptp4l0-21swapper/300:24:473
111391200,0ptp4l0-21swapper/223:46:262
111391200,0ptp4l0-21swapper/223:43:572
111391200,0ptp4l0-21swapper/219:18:532
111391200,0ptp4l0-21swapper/200:17:182
111391200,0ptp4l0-21swapper/123:37:501
111391200,0ptp4l0-21swapper/123:17:551
111391200,0ptp4l0-21swapper/122:36:591
111391200,0ptp4l0-21swapper/122:15:361
111391200,0ptp4l0-21swapper/121:58:281
111391200,0ptp4l0-21swapper/020:26:210
111391200,0ptp4l0-21swapper/020:20:570
213362190,0sleep30-21swapper/320:50:223
111391190,0ptp4l0-21swapper/720:18:537
111391190,0ptp4l0-21swapper/621:33:476
111391190,0ptp4l0-21swapper/619:40:186
111391190,0ptp4l0-21swapper/522:37:125
111391190,0ptp4l0-21swapper/520:19:535
111391190,0ptp4l0-21swapper/519:41:535
111391190,0ptp4l0-21swapper/500:26:425
111391190,0ptp4l0-21swapper/320:18:043
111391190,0ptp4l0-21swapper/120:48:571
111391180,0ptp4l0-21swapper/623:02:276
111391180,0ptp4l0-21swapper/621:44:486
111391180,0ptp4l0-21swapper/619:28:456
111391180,0ptp4l0-21swapper/223:51:122
111391180,0ptp4l0-21swapper/221:33:562
111391180,0ptp4l0-21swapper/219:40:172
111391180,0ptp4l0-21swapper/121:07:201
111391180,0ptp4l0-21swapper/119:36:521
111391170,0ptp4l0-21swapper/621:29:356
111391170,0ptp4l0-21swapper/600:00:306
111391170,0ptp4l0-21swapper/519:38:215
111391170,0ptp4l0-21swapper/322:18:323
111391170,0ptp4l0-21swapper/222:40:132
111391170,0ptp4l0-21swapper/200:32:522
111391170,0ptp4l0-21swapper/121:04:431
111391170,0ptp4l0-21swapper/119:24:371
111391160,1ptp4l12737-21chrt19:23:195
111391160,0ptp4l0-21swapper/721:48:477
111391160,0ptp4l0-21swapper/721:48:467
111391160,0ptp4l0-21swapper/719:53:417
111391160,0ptp4l0-21swapper/620:07:496
111391160,0ptp4l0-21swapper/523:37:505
111391160,0ptp4l0-21swapper/519:12:125
111391160,0ptp4l0-21swapper/120:36:541
111391160,0ptp4l0-21swapper/120:15:471
111391160,0ptp4l0-21swapper/119:51:491
111391160,0ptp4l0-21swapper/119:42:421
111391160,0ptp4l0-21swapper/119:17:291
111391160,0ptp4l0-21swapper/019:59:220
111391150,0ptp4l0-21swapper/719:36:287
111391150,0ptp4l0-21swapper/623:35:266
111391150,0ptp4l0-21swapper/620:33:426
111391150,0ptp4l0-21swapper/620:29:096
111391150,0ptp4l0-21swapper/620:21:086
111391150,0ptp4l0-21swapper/619:58:376
111391150,0ptp4l0-21swapper/619:45:496
111391150,0ptp4l0-21swapper/619:30:346
111391150,0ptp4l0-21swapper/619:20:096
111391150,0ptp4l0-21swapper/600:17:166
111391150,0ptp4l0-21swapper/521:00:245
111391150,0ptp4l0-21swapper/520:36:375
111391150,0ptp4l0-21swapper/520:30:255
111391150,0ptp4l0-21swapper/519:46:475
111391150,0ptp4l0-21swapper/519:15:415
111391150,0ptp4l0-21swapper/419:55:364
111391150,0ptp4l0-21swapper/419:26:474
111391150,0ptp4l0-21swapper/319:53:533
111391150,0ptp4l0-21swapper/221:29:322
111391150,0ptp4l0-21swapper/220:48:032
111391150,0ptp4l0-21swapper/220:44:292
111391150,0ptp4l0-21swapper/220:33:412
111391150,0ptp4l0-21swapper/219:58:342
111391150,0ptp4l0-21swapper/219:30:332
111391150,0ptp4l0-21swapper/120:30:241
111391150,0ptp4l0-21swapper/019:26:420
111391140,0ptp4l0-21swapper/620:44:306
111391140,0ptp4l0-21swapper/619:53:156
111391140,0ptp4l0-21swapper/519:51:495
111391140,0ptp4l0-21swapper/322:37:143
111391140,0ptp4l0-21swapper/319:36:263
111391140,0ptp4l0-21swapper/220:29:092
111391140,0ptp4l0-21swapper/220:21:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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