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2026-04-17 - 07:49

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 Fri Apr 17, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1672926151,6sleep70-21swapper/719:06:307
111391610,29ptp4l0-21swapper/119:09:271
158152600,0sleep60-21swapper/623:35:186
198322590,0sleep60-21swapper/619:15:006
252042540,0sleep00-21swapper/021:32:230
1881915432,6phc2sys0-21swapper/519:05:245
111391530,5ptp4l0-21swapper/019:08:340
1675125241,7sleep20-21swapper/219:06:482
111391520,11ptp4l0-21swapper/419:05:174
1665724837,7sleep30-21swapper/319:05:383
1676424535,6sleep60-21swapper/619:07:016
111391310,0ptp4l0-21swapper/522:31:245
111391310,0ptp4l0-21swapper/521:48:405
111391310,0ptp4l0-21swapper/122:29:131
111391300,3ptp4l0-21swapper/400:05:114
111391300,0ptp4l0-21swapper/522:07:455
111391300,0ptp4l0-21swapper/422:10:124
111391300,0ptp4l0-21swapper/421:55:194
111391300,0ptp4l0-21swapper/421:51:364
111391300,0ptp4l0-21swapper/420:35:124
111391300,0ptp4l0-21swapper/000:38:020
111391290,0ptp4l0-21swapper/722:17:387
111391290,0ptp4l0-21swapper/522:23:555
111391290,0ptp4l0-21swapper/423:08:154
111391290,0ptp4l0-21swapper/422:27:074
111391290,0ptp4l0-21swapper/421:13:094
111391290,0ptp4l0-21swapper/322:55:163
111391290,0ptp4l0-21swapper/100:33:331
111391290,0ptp4l0-21swapper/020:35:120
111391280,0ptp4l0-21swapper/521:24:415
111391280,0ptp4l0-21swapper/121:35:251
111391280,0ptp4l0-21swapper/121:00:151
111391280,0ptp4l0-21swapper/121:00:141
111391280,0ptp4l0-21swapper/021:17:460
111391280,0ptp4l0-21swapper/000:21:500
111391270,2ptp4l0-21swapper/621:44:016
111391270,1ptp4l25014-21taskset23:03:440
111391270,0ptp4l0-21swapper/720:05:017
111391270,0ptp4l0-21swapper/423:41:124
111391270,0ptp4l0-21swapper/423:41:124
111391270,0ptp4l0-21swapper/422:51:314
111391270,0ptp4l0-21swapper/421:26:564
111391270,0ptp4l0-21swapper/421:05:164
111391270,0ptp4l0-21swapper/420:40:214
111391270,0ptp4l0-21swapper/419:15:154
111391270,0ptp4l0-21swapper/123:02:271
111391270,0ptp4l0-21swapper/122:39:331
111391270,0ptp4l0-21swapper/022:58:480
111391270,0ptp4l0-21swapper/022:43:130
111391270,0ptp4l0-21swapper/021:20:180
111391260,2ptp4l0-21swapper/400:32:334
111391260,0ptp4l0-21swapper/423:51:094
111391260,0ptp4l0-21swapper/423:38:454
111391260,0ptp4l0-21swapper/423:22:374
111391260,0ptp4l0-21swapper/421:32:194
111391260,0ptp4l0-21swapper/421:22:354
111391260,0ptp4l0-21swapper/420:45:174
111391260,0ptp4l0-21swapper/400:29:544
111391260,0ptp4l0-21swapper/322:54:023
111391260,0ptp4l0-21swapper/121:23:561
111391260,0ptp4l0-21swapper/023:55:220
111391260,0ptp4l0-21swapper/023:15:100
111391260,0ptp4l0-21swapper/023:07:120
111391260,0ptp4l0-21swapper/022:45:520
111391260,0ptp4l0-21swapper/022:37:020
111391260,0ptp4l0-21swapper/022:08:430
111391260,0ptp4l0-21swapper/021:55:460
111391260,0ptp4l0-21swapper/021:53:350
111391260,0ptp4l0-21swapper/021:43:120
111391260,0ptp4l0-21swapper/021:14:080
111391260,0ptp4l0-21swapper/020:20:220
1729299251,18cyclictest0-21swapper/500:20:025
111391250,1ptp4l29437-21sed23:55:154
111391250,1ptp4l16143-21ssh22:50:180
111391250,0ptp4l0-21swapper/523:48:245
111391250,0ptp4l0-21swapper/522:45:135
111391250,0ptp4l0-21swapper/423:15:134
111391250,0ptp4l0-21swapper/422:47:014
111391250,0ptp4l0-21swapper/422:44:074
111391250,0ptp4l0-21swapper/421:35:104
111391250,0ptp4l0-21swapper/420:20:154
111391250,0ptp4l0-21swapper/122:23:581
111391250,0ptp4l0-21swapper/122:06:021
111391250,0ptp4l0-21swapper/121:48:351
111391250,0ptp4l0-21swapper/121:15:151
111391250,0ptp4l0-21swapper/120:08:231
111391250,0ptp4l0-21swapper/023:40:160
111391250,0ptp4l0-21swapper/023:40:160
111391250,0ptp4l0-21swapper/022:00:150
111391250,0ptp4l0-21swapper/021:28:150
111391250,0ptp4l0-21swapper/020:54:230
111391240,3ptp4l561ktimersoftd/522:02:035
111391240,1ptp4l27509-21df19:30:120
111391240,1ptp4l22129-21cut23:00:004
111391240,1ptp4l14397-21munin-run23:35:004
111391240,0ptp4l0-21swapper/721:45:017
111391240,0ptp4l0-21swapper/600:02:266
111391240,0ptp4l0-21swapper/523:37:275
111391240,0ptp4l0-21swapper/423:46:264
111391240,0ptp4l0-21swapper/422:32:134
111391240,0ptp4l0-21swapper/400:15:134
111391240,0ptp4l0-21swapper/321:44:323
111391240,0ptp4l0-21swapper/123:45:341
111391240,0ptp4l0-21swapper/122:12:071
111391240,0ptp4l0-21swapper/121:51:421
111391240,0ptp4l0-21swapper/023:48:570
111391240,0ptp4l0-21swapper/023:22:590
111391240,0ptp4l0-21swapper/022:10:460
111391240,0ptp4l0-21swapper/020:10:150
111391240,0ptp4l0-21swapper/019:55:150
111391240,0ptp4l0-21swapper/019:25:000
111391240,0ptp4l0-21swapper/000:11:230
111391240,0ptp4l0-21swapper/000:07:010
111391230,3ptp4l721ktimersoftd/721:44:307
111391230,3ptp4l401ktimersoftd/323:26:433
111391230,2ptp4l0-21swapper/122:30:071
111391230,1ptp4l8975-21sort20:00:120
111391230,1ptp4l1208-21sensors00:00:160
111391230,0ptp4l32730-21strings19:40:152
111391230,0ptp4l0-21swapper/722:55:137
111391230,0ptp4l0-21swapper/722:53:007
111391230,0ptp4l0-21swapper/522:58:325
111391230,0ptp4l0-21swapper/522:40:175
111391230,0ptp4l0-21swapper/522:35:105
111391230,0ptp4l0-21swapper/521:34:555
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/521:16:325
111391230,0ptp4l0-21swapper/519:36:165
111391230,0ptp4l0-21swapper/500:37:045
111391230,0ptp4l0-21swapper/423:00:154
111391230,0ptp4l0-21swapper/422:20:094
111391230,0ptp4l0-21swapper/422:00:024
111391230,0ptp4l0-21swapper/421:00:094
111391230,0ptp4l0-21swapper/421:00:084
111391230,0ptp4l0-21swapper/420:26:154
111391230,0ptp4l0-21swapper/419:55:164
111391230,0ptp4l0-21swapper/419:45:004
111391230,0ptp4l0-21swapper/419:25:144
111391230,0ptp4l0-21swapper/400:35:154
111391230,0ptp4l0-21swapper/400:20:174
111391230,0ptp4l0-21swapper/400:10:124
111391230,0ptp4l0-21swapper/400:00:164
111391230,0ptp4l0-21swapper/321:45:143
111391230,0ptp4l0-21swapper/320:05:153
111391230,0ptp4l0-21swapper/123:50:181
111391230,0ptp4l0-21swapper/123:38:511
111391230,0ptp4l0-21swapper/123:13:241
111391230,0ptp4l0-21swapper/122:40:161
111391230,0ptp4l0-21swapper/120:15:191
111391230,0ptp4l0-21swapper/119:35:141
111391230,0ptp4l0-21swapper/119:10:171
111391230,0ptp4l0-21swapper/100:38:361
111391230,0ptp4l0-21swapper/023:30:160
111391230,0ptp4l0-21swapper/023:10:130
111391230,0ptp4l0-21swapper/022:27:260
111391230,0ptp4l0-21swapper/022:15:130
111391230,0ptp4l0-21swapper/020:55:130
111391230,0ptp4l0-21swapper/020:25:110
111391230,0ptp4l0-21swapper/019:15:010
111391230,0ptp4l0-21swapper/000:25:170
1729299220,21cyclictest0-21swapper/500:25:015
111391220,0ptp4l0-21swapper/619:40:176
111391220,0ptp4l0-21swapper/523:50:185
111391220,0ptp4l0-21swapper/523:20:455
111391220,0ptp4l0-21swapper/523:12:105
111391220,0ptp4l0-21swapper/523:02:305
111391220,0ptp4l0-21swapper/522:14:065
111391220,0ptp4l0-21swapper/521:58:185
111391220,0ptp4l0-21swapper/521:53:085
111391220,0ptp4l0-21swapper/521:35:175
111391220,0ptp4l0-21swapper/521:00:145
111391220,0ptp4l0-21swapper/521:00:145
111391220,0ptp4l0-21swapper/520:58:365
111391220,0ptp4l0-21swapper/520:09:455
111391220,0ptp4l0-21swapper/519:50:145
111391220,0ptp4l0-21swapper/519:45:205
111391220,0ptp4l0-21swapper/519:15:205
111391220,0ptp4l0-21swapper/519:10:185
111391220,0ptp4l0-21swapper/500:33:385
111391220,0ptp4l0-21swapper/500:06:215
111391220,0ptp4l0-21swapper/500:02:165
111391220,0ptp4l0-21swapper/423:25:134
111391220,0ptp4l0-21swapper/423:10:144
111391220,0ptp4l0-21swapper/422:15:164
111391220,0ptp4l0-21swapper/422:05:004
111391220,0ptp4l0-21swapper/421:47:124
111391220,0ptp4l0-21swapper/421:40:204
111391220,0ptp4l0-21swapper/421:15:124
111391220,0ptp4l0-21swapper/420:50:114
111391220,0ptp4l0-21swapper/420:30:204
111391220,0ptp4l0-21swapper/420:15:114
111391220,0ptp4l0-21swapper/420:10:134
111391220,0ptp4l0-21swapper/419:50:124
111391220,0ptp4l0-21swapper/419:45:134
111391220,0ptp4l0-21swapper/419:20:194
111391220,0ptp4l0-21swapper/323:54:023
111391220,0ptp4l0-21swapper/320:40:123
111391220,0ptp4l0-21swapper/123:57:201
111391220,0ptp4l0-21swapper/123:20:541
111391220,0ptp4l0-21swapper/122:45:151
111391220,0ptp4l0-21swapper/121:40:161
111391220,0ptp4l0-21swapper/121:25:091
111391220,0ptp4l0-21swapper/120:00:201
111391220,0ptp4l0-21swapper/119:45:181
111391220,0ptp4l0-21swapper/119:20:131
111391220,0ptp4l0-21swapper/100:00:111
111391220,0ptp4l0-21swapper/023:50:140
111391220,0ptp4l0-21swapper/023:35:120
111391220,0ptp4l0-21swapper/023:25:160
111391220,0ptp4l0-21swapper/022:30:000
111391220,0ptp4l0-21swapper/022:20:360
111391220,0ptp4l0-21swapper/021:47:060
111391220,0ptp4l0-21swapper/021:35:110
111391220,0ptp4l0-21swapper/021:05:130
111391220,0ptp4l0-21swapper/020:45:150
111391220,0ptp4l0-21swapper/020:40:150
111391220,0ptp4l0-21swapper/020:30:150
111391220,0ptp4l0-21swapper/020:15:120
111391220,0ptp4l0-21swapper/019:50:120
111391220,0ptp4l0-21swapper/019:45:140
111391220,0ptp4l0-21swapper/019:40:120
111391220,0ptp4l0-21swapper/019:25:140
111391220,0ptp4l0-21swapper/000:30:140
111391220,0ptp4l0-21swapper/000:15:090
111391210,0ptp4l0-21swapper/723:38:247
111391210,0ptp4l0-21swapper/723:27:137
111391210,0ptp4l0-21swapper/720:40:137
111391210,0ptp4l0-21swapper/623:31:556
111391210,0ptp4l0-21swapper/523:59:365
111391210,0ptp4l0-21swapper/523:44:225
111391210,0ptp4l0-21swapper/523:44:225
111391210,0ptp4l0-21swapper/523:33:405
111391210,0ptp4l0-21swapper/523:09:165
111391210,0ptp4l0-21swapper/521:40:145
111391210,0ptp4l0-21swapper/519:31:315
111391210,0ptp4l0-21swapper/519:20:155
111391210,0ptp4l0-21swapper/422:36:324
111391210,0ptp4l0-21swapper/420:55:014
111391210,0ptp4l0-21swapper/420:00:134
111391210,0ptp4l0-21swapper/419:39:114
111391210,0ptp4l0-21swapper/419:30:174
111391210,0ptp4l0-21swapper/323:38:283
111391210,0ptp4l0-21swapper/222:59:182
111391210,0ptp4l0-21swapper/221:33:312
111391210,0ptp4l0-21swapper/200:02:252
111391210,0ptp4l0-21swapper/123:44:021
111391210,0ptp4l0-21swapper/123:44:021
111391210,0ptp4l0-21swapper/123:33:531
111391210,0ptp4l0-21swapper/123:28:001
111391210,0ptp4l0-21swapper/123:19:101
111391210,0ptp4l0-21swapper/122:58:301
111391210,0ptp4l0-21swapper/121:30:181
111391210,0ptp4l0-21swapper/119:59:011
111391210,0ptp4l0-21swapper/119:50:131
111391210,0ptp4l0-21swapper/119:41:161
111391210,0ptp4l0-21swapper/100:25:351
111391210,0ptp4l0-21swapper/100:24:131
111391210,0ptp4l0-21swapper/100:08:521
111391210,0ptp4l0-21swapper/021:01:320
111391210,0ptp4l0-21swapper/021:01:310
111391200,0ptp4l0-21swapper/621:47:046
111391200,0ptp4l0-21swapper/621:33:306
111391200,0ptp4l0-21swapper/621:20:326
111391200,0ptp4l0-21swapper/522:29:235
111391200,0ptp4l0-21swapper/521:10:365
111391200,0ptp4l0-21swapper/521:05:115
111391200,0ptp4l0-21swapper/520:34:245
111391200,0ptp4l0-21swapper/520:23:005
111391200,0ptp4l0-21swapper/520:15:245
111391200,0ptp4l0-21swapper/519:41:445
111391200,0ptp4l0-21swapper/500:16:075
111391200,0ptp4l0-21swapper/323:23:193
111391200,0ptp4l0-21swapper/123:06:521
111391200,0ptp4l0-21swapper/122:15:521
111391200,0ptp4l0-21swapper/120:38:271
111391200,0ptp4l0-21swapper/119:32:471
111391200,0ptp4l0-21swapper/019:14:240
111391190,2ptp4l0-21swapper/121:59:451
111391190,0ptp4l0-21swapper/723:54:107
111391190,0ptp4l0-21swapper/523:29:025
111391190,0ptp4l0-21swapper/520:54:565
111391190,0ptp4l0-21swapper/520:46:225
111391190,0ptp4l0-21swapper/520:26:245
111391190,0ptp4l0-21swapper/223:31:292
111391190,0ptp4l0-21swapper/221:44:012
111391190,0ptp4l0-21swapper/122:51:111
111391190,0ptp4l0-21swapper/121:10:351
111391190,0ptp4l0-21swapper/120:43:131
111391190,0ptp4l0-21swapper/120:22:221
111391190,0ptp4l0-21swapper/119:15:111
111391190,0ptp4l0-21swapper/100:16:051
111391190,0ptp4l0-21swapper/100:11:551
111391190,0ptp4l0-21swapper/019:39:100
111391180,2ptp4l0-21swapper/120:56:351
111391180,0ptp4l0-21swapper/522:15:595
111391180,0ptp4l0-21swapper/520:40:265
111391180,0ptp4l0-21swapper/500:11:455
111391180,0ptp4l0-21swapper/221:47:032
111391180,0ptp4l0-21swapper/221:20:362
111391180,0ptp4l0-21swapper/219:47:542
111391180,0ptp4l0-21swapper/200:29:422
111391180,0ptp4l0-21swapper/200:21:302
111391180,0ptp4l0-21swapper/121:05:121
111391180,0ptp4l0-21swapper/020:09:550
111391170,0ptp4l0-21swapper/723:23:137
111391170,0ptp4l0-21swapper/622:59:196
111391170,0ptp4l0-21swapper/600:29:436
111391170,0ptp4l0-21swapper/600:21:376
111391170,0ptp4l0-21swapper/520:01:195
111391170,0ptp4l0-21swapper/519:27:495
111391170,0ptp4l0-21swapper/322:17:343
111391170,0ptp4l0-21swapper/220:48:542
111391170,0ptp4l0-21swapper/122:04:301
111391170,0ptp4l0-21swapper/120:50:271
111391160,0ptp4l0-21swapper/523:19:095
111391160,0ptp4l0-21swapper/223:14:132
111391160,0ptp4l0-21swapper/120:49:511
111391160,0ptp4l0-21swapper/120:26:231
17307991513,1cyclictest0-21swapper/721:00:167
17307991513,1cyclictest0-21swapper/721:00:167
17299991513,1cyclictest0-21swapper/600:35:186
1727199150,1cyclictest0-21swapper/222:35:182
111391150,0ptp4l0-21swapper/720:39:507
111391150,0ptp4l0-21swapper/720:04:487
111391150,0ptp4l0-21swapper/621:09:416
111391150,0ptp4l0-21swapper/620:55:596
111391150,0ptp4l0-21swapper/620:45:056
111391150,0ptp4l0-21swapper/620:07:216
111391150,0ptp4l0-21swapper/620:01:556
111391150,0ptp4l0-21swapper/619:48:436
111391150,0ptp4l0-21swapper/619:38:036
111391150,0ptp4l0-21swapper/520:38:125
111391150,0ptp4l0-21swapper/520:13:105
111391150,0ptp4l0-21swapper/519:57:085
111391150,0ptp4l0-21swapper/420:06:474
111391150,0ptp4l0-21swapper/419:12:424
111391150,0ptp4l0-21swapper/320:39:483
111391150,0ptp4l0-21swapper/320:04:483
111391150,0ptp4l0-21swapper/220:01:562
111391150,0ptp4l0-21swapper/219:38:052
111391150,0ptp4l0-21swapper/219:31:472
111391150,0ptp4l0-21swapper/120:32:131
111391150,0ptp4l0-21swapper/120:10:341
111391150,0ptp4l0-21swapper/119:25:491
111391140,0ptp4l0-21swapper/623:14:136
111391140,0ptp4l0-21swapper/619:31:496
111391140,0ptp4l0-21swapper/221:05:552
111391140,0ptp4l0-21swapper/220:55:552
111391140,0ptp4l0-21swapper/220:07:202
1730799139,3cyclictest14745-21munin-run22:50:007
1729999130,1cyclictest0-21swapper/622:10:166
17299991210,1cyclictest0-21swapper/622:15:216
1727999120,1cyclictest8027-21diskmemload22:00:163
1730799110,10cyclictest0-21swapper/721:59:507
1729999110,10cyclictest0-21swapper/623:46:116
1729999110,10cyclictest0-21swapper/622:41:266
1730799109,0cyclictest0-21swapper/723:15:357
1730799109,0cyclictest0-21swapper/700:39:497
1730799100,9cyclictest0-21swapper/722:43:127
1730799100,9cyclictest0-21swapper/700:21:557
1730799100,0cyclictest0-21swapper/723:05:327
1730799100,0cyclictest0-21swapper/722:35:127
1729999109,0cyclictest0-21swapper/623:58:366
1729999109,0cyclictest0-21swapper/622:23:126
1729999109,0cyclictest0-21swapper/621:52:516
1729999109,0cyclictest0-21swapper/621:14:416
1729999109,0cyclictest0-21swapper/600:31:556
1729999100,9cyclictest0-21swapper/623:23:146
1729999100,9cyclictest0-21swapper/623:02:306
1729999100,9cyclictest0-21swapper/621:26:276
1729999100,9cyclictest0-21swapper/600:12:356
1727999100,1cyclictest0-21swapper/321:15:133
1727199109,0cyclictest0-21swapper/223:40:222
1727199109,0cyclictest0-21swapper/223:40:222
1727199100,0cyclictest0-21swapper/222:53:182
18819190,7phc2sys0-21swapper/222:40:042
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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