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2026-07-25 - 14:08

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 Sat Jul 25, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
128192650,0sleep70-21swapper/722:50:157
206602620,0sleep00-21swapper/020:40:010
111391620,5ptp4l0-21swapper/019:09:440
149832610,0sleep60-21swapper/622:54:246
111391610,30ptp4l0-21swapper/119:05:081
111391610,15ptp4l0-21swapper/419:06:274
9152600,0sleep60-21swapper/622:35:016
887226039,6sleep20-21swapper/219:05:032
210912600,0sleep41068-21runrttasks20:40:124
1045626048,7sleep70-21swapper/719:05:507
175592590,0sleep11068-21runrttasks22:56:271
1881915532,7phc2sys0-21swapper/519:06:055
887324736,7sleep30-21swapper/319:05:043
1071524736,6sleep60-21swapper/619:09:086
111391330,0ptp4l0-21swapper/423:15:004
111391330,0ptp4l0-21swapper/019:10:190
111391330,0ptp4l0-21swapper/019:10:190
111391320,1ptp4l12902-21sh22:05:450
111391320,0ptp4l0-21swapper/023:59:120
111391310,0ptp4l0-21swapper/021:18:280
111391300,0ptp4l0-21swapper/721:35:457
111391300,0ptp4l0-21swapper/423:50:524
111391300,0ptp4l0-21swapper/400:05:214
111391300,0ptp4l0-21swapper/123:18:291
111391300,0ptp4l0-21swapper/121:15:161
111391300,0ptp4l0-21swapper/100:04:251
111391300,0ptp4l0-21swapper/023:18:020
111391300,0ptp4l0-21swapper/023:03:110
111391300,0ptp4l0-21swapper/022:59:400
111391300,0ptp4l0-21swapper/021:32:460
111391290,0ptp4l0-21swapper/423:40:594
111391290,0ptp4l0-21swapper/423:26:464
111391290,0ptp4l0-21swapper/423:14:154
111391290,0ptp4l0-21swapper/422:48:024
111391290,0ptp4l0-21swapper/421:34:334
111391290,0ptp4l0-21swapper/023:54:010
111391290,0ptp4l0-21swapper/022:40:170
111391290,0ptp4l0-21swapper/021:47:410
111391290,0ptp4l0-21swapper/021:47:410
111391290,0ptp4l0-21swapper/019:15:160
111391280,0ptp4l0-21swapper/722:02:057
111391280,0ptp4l0-21swapper/422:43:284
111391280,0ptp4l0-21swapper/421:45:204
111391280,0ptp4l0-21swapper/421:45:194
111391280,0ptp4l0-21swapper/421:29:284
111391280,0ptp4l0-21swapper/421:13:114
111391280,0ptp4l0-21swapper/400:02:524
111391280,0ptp4l0-21swapper/121:14:311
111391280,0ptp4l0-21swapper/023:46:500
111391280,0ptp4l0-21swapper/023:40:470
111391280,0ptp4l0-21swapper/023:35:530
111391280,0ptp4l0-21swapper/022:34:200
111391280,0ptp4l0-21swapper/022:11:070
111391280,0ptp4l0-21swapper/022:01:060
111391280,0ptp4l0-21swapper/021:13:520
111391280,0ptp4l0-21swapper/000:31:230
111391270,0ptp4l0-21swapper/422:35:564
111391270,0ptp4l0-21swapper/422:28:104
111391270,0ptp4l0-21swapper/422:12:434
111391270,0ptp4l0-21swapper/421:40:054
111391270,0ptp4l0-21swapper/421:21:044
111391270,0ptp4l0-21swapper/421:17:484
111391270,0ptp4l0-21swapper/419:29:284
111391270,0ptp4l0-21swapper/400:34:324
111391270,0ptp4l0-21swapper/400:21:394
111391270,0ptp4l0-21swapper/400:21:384
111391270,0ptp4l0-21swapper/022:26:030
111391270,0ptp4l0-21swapper/021:26:410
111391270,0ptp4l0-21swapper/000:35:530
111391260,1ptp4l25-21ksoftirqd/119:35:201
111391260,0ptp4l0-21swapper/500:20:545
111391260,0ptp4l0-21swapper/500:20:535
111391260,0ptp4l0-21swapper/423:36:354
111391260,0ptp4l0-21swapper/423:05:594
111391260,0ptp4l0-21swapper/422:20:204
111391260,0ptp4l0-21swapper/420:29:284
111391260,0ptp4l0-21swapper/400:38:344
111391260,0ptp4l0-21swapper/400:26:184
111391260,0ptp4l0-21swapper/400:14:584
111391260,0ptp4l0-21swapper/122:27:321
111391260,0ptp4l0-21swapper/122:21:121
111391260,0ptp4l0-21swapper/022:52:090
111391260,0ptp4l0-21swapper/022:16:160
111391260,0ptp4l0-21swapper/021:20:150
111391260,0ptp4l0-21swapper/019:50:110
111391250,4ptp4l0-21swapper/421:37:544
111391250,0ptp4l0-21swapper/422:55:324
111391250,0ptp4l0-21swapper/422:05:084
111391250,0ptp4l0-21swapper/422:00:224
111391250,0ptp4l0-21swapper/419:50:174
111391250,0ptp4l0-21swapper/419:10:134
111391250,0ptp4l0-21swapper/419:10:124
111391250,0ptp4l0-21swapper/122:37:381
111391250,0ptp4l0-21swapper/121:54:111
111391250,0ptp4l0-21swapper/120:55:171
111391250,0ptp4l0-21swapper/022:21:020
111391250,0ptp4l0-21swapper/021:37:430
111391250,0ptp4l0-21swapper/020:35:000
111391250,0ptp4l0-21swapper/000:08:350
111391240,2ptp4l0-21swapper/123:04:201
111391240,1ptp4l32263-21cpu21:05:104
111391240,1ptp4l26826-21timerandwakeup19:40:184
111391240,1ptp4l14436-21fw_conntrack19:15:124
111391240,1ptp4l14160-21df20:25:105
111391240,0ptp4l0-21swapper/721:42:487
111391240,0ptp4l0-21swapper/519:35:135
111391240,0ptp4l0-21swapper/422:15:064
111391240,0ptp4l0-21swapper/421:53:484
111391240,0ptp4l0-21swapper/420:45:144
111391240,0ptp4l0-21swapper/420:20:154
111391240,0ptp4l0-21swapper/419:20:184
111391240,0ptp4l0-21swapper/222:57:282
111391240,0ptp4l0-21swapper/122:00:341
111391240,0ptp4l0-21swapper/121:36:421
111391240,0ptp4l0-21swapper/120:51:091
111391240,0ptp4l0-21swapper/021:58:580
111391240,0ptp4l0-21swapper/021:50:130
111391240,0ptp4l0-21swapper/021:40:360
111391240,0ptp4l0-21swapper/021:05:150
111391240,0ptp4l0-21swapper/021:00:000
111391240,0ptp4l0-21swapper/020:05:110
111391240,0ptp4l0-21swapper/019:40:180
111391240,0ptp4l0-21swapper/000:19:180
111391240,0ptp4l0-21swapper/000:19:170
111391230,1ptp4l25-21ksoftirqd/122:05:491
111391230,1ptp4l2044-21systemd-cgroups20:00:010
111391230,1ptp4l20304-21/usr/sbin/munin23:45:154
111391230,1ptp4l1104599cyclictest20:50:200
111391230,0ptp4l1779-21diskmemload00:15:124
111391230,0ptp4l1779-21diskmemload00:15:124
111391230,0ptp4l0-21swapper/723:06:297
111391230,0ptp4l0-21swapper/700:25:137
111391230,0ptp4l0-21swapper/620:30:156
111391230,0ptp4l0-21swapper/523:15:495
111391230,0ptp4l0-21swapper/522:05:545
111391230,0ptp4l0-21swapper/521:48:025
111391230,0ptp4l0-21swapper/521:48:015
111391230,0ptp4l0-21swapper/521:25:155
111391230,0ptp4l0-21swapper/521:15:145
111391230,0ptp4l0-21swapper/521:10:205
111391230,0ptp4l0-21swapper/423:55:454
111391230,0ptp4l0-21swapper/423:33:044
111391230,0ptp4l0-21swapper/423:21:424
111391230,0ptp4l0-21swapper/422:30:134
111391230,0ptp4l0-21swapper/421:00:024
111391230,0ptp4l0-21swapper/420:50:164
111391230,0ptp4l0-21swapper/420:35:194
111391230,0ptp4l0-21swapper/420:15:124
111391230,0ptp4l0-21swapper/419:55:124
111391230,0ptp4l0-21swapper/300:25:203
111391230,0ptp4l0-21swapper/222:16:312
111391230,0ptp4l0-21swapper/123:55:131
111391230,0ptp4l0-21swapper/122:12:141
111391230,0ptp4l0-21swapper/121:55:151
111391230,0ptp4l0-21swapper/121:30:411
111391230,0ptp4l0-21swapper/121:24:391
111391230,0ptp4l0-21swapper/121:00:181
111391230,0ptp4l0-21swapper/120:35:201
111391230,0ptp4l0-21swapper/100:34:241
111391230,0ptp4l0-21swapper/100:20:291
111391230,0ptp4l0-21swapper/100:20:291
111391230,0ptp4l0-21swapper/023:30:130
111391230,0ptp4l0-21swapper/023:27:180
111391230,0ptp4l0-21swapper/023:20:130
111391230,0ptp4l0-21swapper/023:10:520
111391230,0ptp4l0-21swapper/022:35:170
111391230,0ptp4l0-21swapper/021:00:140
111391230,0ptp4l0-21swapper/020:45:160
111391230,0ptp4l0-21swapper/020:25:140
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:15:190
111391230,0ptp4l0-21swapper/020:00:100
111391230,0ptp4l0-21swapper/000:23:330
111391230,0ptp4l0-21swapper/000:23:320
111391230,0ptp4l0-21swapper/000:10:210
111391230,0ptp4l0-21swapper/000:02:230
111391220,3ptp4l0-21swapper/123:40:171
111391220,1ptp4l7797-21memory20:10:154
111391220,1ptp4l65-21ksoftirqd/600:08:156
111391220,0ptp4l0-21swapper/621:47:216
111391220,0ptp4l0-21swapper/621:47:206
111391220,0ptp4l0-21swapper/523:55:155
111391220,0ptp4l0-21swapper/523:55:005
111391220,0ptp4l0-21swapper/523:40:205
111391220,0ptp4l0-21swapper/523:35:445
111391220,0ptp4l0-21swapper/523:24:565
111391220,0ptp4l0-21swapper/522:50:005
111391220,0ptp4l0-21swapper/522:47:275
111391220,0ptp4l0-21swapper/522:42:005
111391220,0ptp4l0-21swapper/522:27:335
111391220,0ptp4l0-21swapper/521:55:135
111391220,0ptp4l0-21swapper/521:50:115
111391220,0ptp4l0-21swapper/521:30:435
111391220,0ptp4l0-21swapper/521:22:425
111391220,0ptp4l0-21swapper/520:55:195
111391220,0ptp4l0-21swapper/519:35:005
111391220,0ptp4l0-21swapper/519:20:115
111391220,0ptp4l0-21swapper/500:37:135
111391220,0ptp4l0-21swapper/500:32:175
111391220,0ptp4l0-21swapper/500:07:205
111391220,0ptp4l0-21swapper/500:00:205
111391220,0ptp4l0-21swapper/423:00:154
111391220,0ptp4l0-21swapper/422:50:124
111391220,0ptp4l0-21swapper/421:55:574
111391220,0ptp4l0-21swapper/420:30:204
111391220,0ptp4l0-21swapper/420:09:204
111391220,0ptp4l0-21swapper/420:00:164
111391220,0ptp4l0-21swapper/419:45:014
111391220,0ptp4l0-21swapper/419:40:004
111391220,0ptp4l0-21swapper/419:30:164
111391220,0ptp4l0-21swapper/321:35:453
111391220,0ptp4l0-21swapper/123:51:531
111391220,0ptp4l0-21swapper/123:27:051
111391220,0ptp4l0-21swapper/123:13:181
111391220,0ptp4l0-21swapper/122:51:021
111391220,0ptp4l0-21swapper/122:47:501
111391220,0ptp4l0-21swapper/122:42:211
111391220,0ptp4l0-21swapper/122:31:471
111391220,0ptp4l0-21swapper/121:25:141
111391220,0ptp4l0-21swapper/121:09:001
111391220,0ptp4l0-21swapper/120:43:201
111391220,0ptp4l0-21swapper/120:25:131
111391220,0ptp4l0-21swapper/119:51:401
111391220,0ptp4l0-21swapper/119:20:061
111391220,0ptp4l0-21swapper/100:39:271
111391220,0ptp4l0-21swapper/100:07:481
111391220,0ptp4l0-21swapper/023:05:130
111391220,0ptp4l0-21swapper/022:45:120
111391220,0ptp4l0-21swapper/020:40:130
111391220,0ptp4l0-21swapper/020:10:130
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:25:150
111391220,0ptp4l0-21swapper/019:24:100
111391220,0ptp4l0-21swapper/000:25:020
111391210,1ptp4l0-21swapper/100:17:521
111391210,1ptp4l0-21swapper/100:17:511
111391210,0ptp4l0-21swapper/723:15:357
111391210,0ptp4l0-21swapper/622:57:236
111391210,0ptp4l0-21swapper/622:45:006
111391210,0ptp4l0-21swapper/523:34:225
111391210,0ptp4l0-21swapper/523:29:015
111391210,0ptp4l0-21swapper/523:01:565
111391210,0ptp4l0-21swapper/522:55:355
111391210,0ptp4l0-21swapper/522:31:005
111391210,0ptp4l0-21swapper/522:18:425
111391210,0ptp4l0-21swapper/522:12:555
111391210,0ptp4l0-21swapper/520:23:295
111391210,0ptp4l0-21swapper/500:17:515
111391210,0ptp4l0-21swapper/500:17:505
111391210,0ptp4l0-21swapper/500:11:325
111391210,0ptp4l0-21swapper/323:06:123
111391210,0ptp4l0-21swapper/322:02:043
111391210,0ptp4l0-21swapper/321:42:213
111391210,0ptp4l0-21swapper/223:46:392
111391210,0ptp4l0-21swapper/222:44:522
111391210,0ptp4l0-21swapper/222:37:592
111391210,0ptp4l0-21swapper/221:45:232
111391210,0ptp4l0-21swapper/221:45:222
111391210,0ptp4l0-21swapper/221:37:112
111391210,0ptp4l0-21swapper/220:25:452
111391210,0ptp4l0-21swapper/123:35:371
111391210,0ptp4l0-21swapper/123:31:421
111391210,0ptp4l0-21swapper/122:15:221
111391210,0ptp4l0-21swapper/120:14:181
111391210,0ptp4l0-21swapper/100:28:561
111391210,0ptp4l0-21swapper/100:11:071
111391210,0ptp4l0-21swapper/019:39:350
111391210,0ptp4l0-21swapper/019:30:120
111391200,0ptp4l0-21swapper/623:46:376
111391200,0ptp4l0-21swapper/622:37:506
111391200,0ptp4l0-21swapper/622:16:416
111391200,0ptp4l0-21swapper/621:37:016
111391200,0ptp4l0-21swapper/621:31:146
111391200,0ptp4l0-21swapper/523:13:105
111391200,0ptp4l0-21swapper/522:37:125
111391200,0ptp4l0-21swapper/521:43:575
111391200,0ptp4l0-21swapper/520:35:215
111391200,0ptp4l0-21swapper/500:27:505
111391200,0ptp4l0-21swapper/319:58:273
111391200,0ptp4l0-21swapper/221:31:122
111391200,0ptp4l0-21swapper/221:18:582
111391200,0ptp4l0-21swapper/123:24:391
111391200,0ptp4l0-21swapper/121:47:581
111391200,0ptp4l0-21swapper/121:47:571
111391200,0ptp4l0-21swapper/121:43:521
111391200,0ptp4l0-21swapper/120:15:491
111391190,0ptp4l0-21swapper/600:37:596
111391190,0ptp4l0-21swapper/521:35:205
111391190,0ptp4l0-21swapper/521:09:565
111391190,0ptp4l0-21swapper/520:10:105
111391190,0ptp4l0-21swapper/420:56:294
111391190,0ptp4l0-21swapper/323:15:343
111391190,0ptp4l0-21swapper/220:52:302
111391190,0ptp4l0-21swapper/220:30:142
111391190,0ptp4l0-21swapper/200:02:122
111391190,0ptp4l0-21swapper/119:19:531
94982180,0sleep20-21swapper/200:15:102
94982180,0sleep20-21swapper/200:15:092
111391180,2ptp4l0-21swapper/119:34:281
111391180,0ptp4l0-21swapper/600:02:076
111391180,0ptp4l0-21swapper/519:28:285
111391180,0ptp4l0-21swapper/222:32:472
111391180,0ptp4l0-21swapper/200:37:582
111391180,0ptp4l0-21swapper/120:45:571
111391180,0ptp4l0-21swapper/120:21:281
76292170,0sleep20-21swapper/220:10:142
111391170,2ptp4l0-21swapper/119:29:281
111391170,0ptp4l0-21swapper/621:18:566
111391170,0ptp4l0-21swapper/520:50:315
111391170,0ptp4l0-21swapper/223:19:332
111391170,0ptp4l0-21swapper/123:46:341
111391170,0ptp4l0-21swapper/120:06:191
111391170,0ptp4l0-21swapper/119:47:131
111391160,0ptp4l0-21swapper/522:21:585
111391160,0ptp4l0-21swapper/522:00:405
111391160,0ptp4l0-21swapper/520:05:385
111391160,0ptp4l0-21swapper/319:53:293
111391160,0ptp4l0-21swapper/221:53:102
111391160,0ptp4l0-21swapper/219:12:402
111391160,0ptp4l0-21swapper/219:12:392
111391160,0ptp4l0-21swapper/200:08:132
111391160,0ptp4l0-21swapper/120:31:481
111391160,0ptp4l0-21swapper/119:41:451
1109099160,1cyclictest0-21swapper/622:00:146
287212150,0sleep773-21ksoftirqd/723:11:237
111391150,0ptp4l0-21swapper/720:43:527
111391150,0ptp4l0-21swapper/719:58:047
111391150,0ptp4l0-21swapper/719:53:277
111391150,0ptp4l0-21swapper/621:09:326
111391150,0ptp4l0-21swapper/620:51:266
111391150,0ptp4l0-21swapper/620:37:586
111391150,0ptp4l0-21swapper/620:20:356
111391150,0ptp4l0-21swapper/620:12:226
111391150,0ptp4l0-21swapper/619:24:346
111391150,0ptp4l0-21swapper/619:13:016
111391150,0ptp4l0-21swapper/619:13:006
111391150,0ptp4l0-21swapper/523:46:355
111391150,0ptp4l0-21swapper/521:00:445
111391150,0ptp4l0-21swapper/520:46:265
111391150,0ptp4l0-21swapper/520:41:185
111391150,0ptp4l0-21swapper/520:30:005
111391150,0ptp4l0-21swapper/520:15:135
111391150,0ptp4l0-21swapper/520:01:095
111391150,0ptp4l0-21swapper/519:57:095
111391150,0ptp4l0-21swapper/519:50:325
111391150,0ptp4l0-21swapper/519:45:445
111391150,0ptp4l0-21swapper/519:40:395
111391150,0ptp4l0-21swapper/519:16:495
111391150,0ptp4l0-21swapper/519:13:355
111391150,0ptp4l0-21swapper/519:13:355
111391150,0ptp4l0-21swapper/320:43:533
111391150,0ptp4l0-21swapper/221:09:352
111391150,0ptp4l0-21swapper/220:39:082
111391150,0ptp4l0-21swapper/219:30:102
111391150,0ptp4l0-21swapper/219:25:512
111391150,0ptp4l0-21swapper/120:01:061
111391150,0ptp4l0-21swapper/119:58:551
111391150,0ptp4l0-21swapper/119:13:361
111391150,0ptp4l0-21swapper/119:13:351
1106999150,1cyclictest0-21swapper/323:25:143
111391140,0ptp4l0-21swapper/623:32:126
111391140,0ptp4l0-21swapper/620:25:446
111391140,0ptp4l0-21swapper/619:48:286
111391140,0ptp4l0-21swapper/619:25:536
111391140,0ptp4l0-21swapper/223:32:122
111391140,0ptp4l0-21swapper/219:48:272
111391140,0ptp4l0-21swapper/219:24:362
111391140,0ptp4l0-21swapper/219:18:522
1109099140,13cyclictest0-21swapper/621:25:146
1106999140,13cyclictest0-21swapper/322:32:333
1106999140,13cyclictest0-21swapper/300:33:453
1106199149,4cyclictest6422-21fw_forwarded_lo00:10:142
11061991413,0cyclictest0-21swapper/219:40:012
1109099130,8cyclictest0-21swapper/600:29:106
1106999130,12cyclictest0-21swapper/323:52:483
1106999130,12cyclictest0-21swapper/322:39:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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