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2026-04-09 - 07:44

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 Apr 09, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391610,5ptp4l0-21swapper/119:09:041
146862600,1sleep61068-21runrttasks00:35:166
111391600,6ptp4l0-21swapper/519:05:185
644025847,7sleep20-21swapper/219:09:442
219362570,0sleep40-21swapper/422:28:254
219362570,0sleep40-21swapper/422:28:254
172542550,0sleep00-21swapper/023:53:050
237122540,0sleep20-21swapper/223:15:182
635925342,6sleep70-21swapper/719:08:457
626525240,7sleep40-21swapper/419:07:304
627924937,7sleep00-21swapper/019:07:420
624424736,7sleep30-21swapper/319:07:213
609224636,6sleep60-21swapper/619:05:236
111391340,0ptp4l0-21swapper/421:05:144
111391320,0ptp4l0-21swapper/422:56:504
111391300,0ptp4l0-21swapper/523:48:065
111391300,0ptp4l0-21swapper/523:15:015
111391300,0ptp4l0-21swapper/021:34:030
111391290,1ptp4l26379-21strings00:05:171
111391290,0ptp4l0-21swapper/722:57:247
111391290,0ptp4l0-21swapper/423:38:514
111391290,0ptp4l0-21swapper/122:31:361
111391290,0ptp4l0-21swapper/023:30:220
111391280,2ptp4l0-21swapper/523:59:345
111391280,2ptp4l0-21swapper/000:34:590
111391280,1ptp4l3853-21sh22:02:240
111391280,0ptp4l0-21swapper/023:55:060
111391280,0ptp4l0-21swapper/023:07:340
111391280,0ptp4l0-21swapper/020:27:270
111391270,0ptp4l0-21swapper/423:08:264
111391270,0ptp4l0-21swapper/100:34:341
111391270,0ptp4l0-21swapper/023:12:120
111391270,0ptp4l0-21swapper/021:51:440
111391270,0ptp4l0-21swapper/021:29:560
111391260,4ptp4l0-21swapper/021:23:010
111391260,0ptp4l0-21swapper/522:56:225
111391260,0ptp4l0-21swapper/423:49:184
111391260,0ptp4l0-21swapper/422:38:504
111391260,0ptp4l0-21swapper/400:24:594
111391260,0ptp4l0-21swapper/122:45:171
111391260,0ptp4l0-21swapper/122:29:291
111391260,0ptp4l0-21swapper/122:29:291
111391260,0ptp4l0-21swapper/023:35:480
111391260,0ptp4l0-21swapper/020:55:190
111391260,0ptp4l0-21swapper/019:30:170
111391260,0ptp4l0-21swapper/000:38:540
111391250,1ptp4l3473-21memory20:10:157
111391250,1ptp4l32447-21latency_hist20:05:014
111391250,0ptp4l0-21swapper/723:21:397
111391250,0ptp4l0-21swapper/722:24:537
111391250,0ptp4l0-21swapper/522:23:375
111391250,0ptp4l0-21swapper/522:06:515
111391250,0ptp4l0-21swapper/519:45:105
111391250,0ptp4l0-21swapper/519:45:105
111391250,0ptp4l0-21swapper/423:54:534
111391250,0ptp4l0-21swapper/423:45:004
111391250,0ptp4l0-21swapper/423:14:474
111391250,0ptp4l0-21swapper/422:48:534
111391250,0ptp4l0-21swapper/422:18:314
111391250,0ptp4l0-21swapper/419:15:144
111391250,0ptp4l0-21swapper/123:05:131
111391250,0ptp4l0-21swapper/122:24:261
111391250,0ptp4l0-21swapper/100:13:251
111391250,0ptp4l0-21swapper/023:42:290
111391250,0ptp4l0-21swapper/022:40:300
111391250,0ptp4l0-21swapper/022:38:520
111391250,0ptp4l0-21swapper/022:28:250
111391250,0ptp4l0-21swapper/022:28:250
111391250,0ptp4l0-21swapper/021:38:430
111391250,0ptp4l0-21swapper/019:35:130
111391250,0ptp4l0-21swapper/000:24:140
111391240,2ptp4l0-21swapper/121:38:051
111391240,1ptp4l7239-21latency_hist20:20:015
111391240,1ptp4l4947-21/usr/sbin/munin22:50:130
111391240,1ptp4l30543-21diskstats21:10:111
111391240,1ptp4l2969-21/usr/sbin/munin20:10:114
111391240,1ptp4l2594-21latency_hist20:10:014
111391240,1ptp4l15667-21timerandwakeup19:25:190
111391240,0ptp4l0-21swapper/522:49:015
111391240,0ptp4l0-21swapper/521:00:115
111391240,0ptp4l0-21swapper/500:05:195
111391240,0ptp4l0-21swapper/423:57:474
111391240,0ptp4l0-21swapper/421:57:404
111391240,0ptp4l0-21swapper/421:51:014
111391240,0ptp4l0-21swapper/421:46:204
111391240,0ptp4l0-21swapper/421:42:184
111391240,0ptp4l0-21swapper/421:35:574
111391240,0ptp4l0-21swapper/420:55:134
111391240,0ptp4l0-21swapper/420:15:154
111391240,0ptp4l0-21swapper/400:10:114
111391240,0ptp4l0-21swapper/323:20:133
111391240,0ptp4l0-21swapper/322:30:363
111391240,0ptp4l0-21swapper/322:14:423
111391240,0ptp4l0-21swapper/319:40:103
111391240,0ptp4l0-21swapper/122:36:461
111391240,0ptp4l0-21swapper/122:04:581
111391240,0ptp4l0-21swapper/100:20:291
111391240,0ptp4l0-21swapper/023:30:000
111391240,0ptp4l0-21swapper/022:55:270
111391240,0ptp4l0-21swapper/022:50:010
111391240,0ptp4l0-21swapper/022:22:390
111391240,0ptp4l0-21swapper/022:10:510
111391240,0ptp4l0-21swapper/021:11:430
111391240,0ptp4l0-21swapper/020:35:180
111391240,0ptp4l0-21swapper/019:15:000
111391240,0ptp4l0-21swapper/000:15:010
111391240,0ptp4l0-21swapper/000:05:470
6745992318,4cyclictest7140-21fw_conntrack00:25:134
111391230,3ptp4l0-21swapper/100:29:071
111391230,0ptp4l0-21swapper/723:00:177
111391230,0ptp4l0-21swapper/722:30:157
111391230,0ptp4l0-21swapper/522:40:125
111391230,0ptp4l0-21swapper/521:50:195
111391230,0ptp4l0-21swapper/521:20:185
111391230,0ptp4l0-21swapper/521:15:235
111391230,0ptp4l0-21swapper/520:30:115
111391230,0ptp4l0-21swapper/519:50:105
111391230,0ptp4l0-21swapper/500:25:135
111391230,0ptp4l0-21swapper/423:30:204
111391230,0ptp4l0-21swapper/423:25:124
111391230,0ptp4l0-21swapper/423:24:474
111391230,0ptp4l0-21swapper/423:15:114
111391230,0ptp4l0-21swapper/422:40:114
111391230,0ptp4l0-21swapper/422:20:114
111391230,0ptp4l0-21swapper/422:13:114
111391230,0ptp4l0-21swapper/422:08:444
111391230,0ptp4l0-21swapper/422:01:004
111391230,0ptp4l0-21swapper/421:30:294
111391230,0ptp4l0-21swapper/421:25:124
111391230,0ptp4l0-21swapper/421:20:484
111391230,0ptp4l0-21swapper/420:45:194
111391230,0ptp4l0-21swapper/420:35:014
111391230,0ptp4l0-21swapper/420:20:144
111391230,0ptp4l0-21swapper/419:30:164
111391230,0ptp4l0-21swapper/419:25:194
111391230,0ptp4l0-21swapper/400:33:024
111391230,0ptp4l0-21swapper/323:00:193
111391230,0ptp4l0-21swapper/200:15:152
111391230,0ptp4l0-21swapper/123:25:111
111391230,0ptp4l0-21swapper/123:15:201
111391230,0ptp4l0-21swapper/122:56:061
111391230,0ptp4l0-21swapper/122:05:111
111391230,0ptp4l0-21swapper/121:30:051
111391230,0ptp4l0-21swapper/121:00:001
111391230,0ptp4l0-21swapper/120:30:191
111391230,0ptp4l0-21swapper/119:55:131
111391230,0ptp4l0-21swapper/119:50:151
111391230,0ptp4l0-21swapper/100:03:381
111391230,0ptp4l0-21swapper/023:15:110
111391230,0ptp4l0-21swapper/023:03:420
111391230,0ptp4l0-21swapper/022:15:150
111391230,0ptp4l0-21swapper/022:08:210
111391230,0ptp4l0-21swapper/021:55:140
111391230,0ptp4l0-21swapper/021:45:200
111391230,0ptp4l0-21swapper/021:40:120
111391230,0ptp4l0-21swapper/021:16:550
111391230,0ptp4l0-21swapper/021:05:190
111391230,0ptp4l0-21swapper/021:05:000
111391230,0ptp4l0-21swapper/020:05:120
111391230,0ptp4l0-21swapper/020:00:160
111391230,0ptp4l0-21swapper/019:55:150
111391230,0ptp4l0-21swapper/019:15:180
111391230,0ptp4l0-21swapper/000:25:150
111391230,0ptp4l0-21swapper/000:00:180
111391220,1ptp4l1725-21cat21:15:121
111391220,1ptp4l12896-21missed_timers19:20:154
111391220,1ptp4l1068-21runrttasks23:39:215
111391220,0ptp4l0-21swapper/723:58:157
111391220,0ptp4l0-21swapper/722:25:007
111391220,0ptp4l0-21swapper/722:25:007
111391220,0ptp4l0-21swapper/719:40:117
111391220,0ptp4l0-21swapper/623:13:176
111391220,0ptp4l0-21swapper/622:21:296
111391220,0ptp4l0-21swapper/621:59:176
111391220,0ptp4l0-21swapper/621:29:336
111391220,0ptp4l0-21swapper/619:15:406
111391220,0ptp4l0-21swapper/600:15:136
111391220,0ptp4l0-21swapper/600:14:396
111391220,0ptp4l0-21swapper/523:52:595
111391220,0ptp4l0-21swapper/523:30:455
111391220,0ptp4l0-21swapper/523:26:505
111391220,0ptp4l0-21swapper/523:05:015
111391220,0ptp4l0-21swapper/523:01:385
111391220,0ptp4l0-21swapper/522:35:595
111391220,0ptp4l0-21swapper/522:26:445
111391220,0ptp4l0-21swapper/522:26:435
111391220,0ptp4l0-21swapper/522:15:295
111391220,0ptp4l0-21swapper/522:04:455
111391220,0ptp4l0-21swapper/521:59:575
111391220,0ptp4l0-21swapper/521:43:595
111391220,0ptp4l0-21swapper/521:30:065
111391220,0ptp4l0-21swapper/521:11:395
111391220,0ptp4l0-21swapper/520:45:115
111391220,0ptp4l0-21swapper/519:55:015
111391220,0ptp4l0-21swapper/519:44:475
111391220,0ptp4l0-21swapper/519:10:105
111391220,0ptp4l0-21swapper/500:21:095
111391220,0ptp4l0-21swapper/500:19:285
111391220,0ptp4l0-21swapper/500:13:145
111391220,0ptp4l0-21swapper/500:03:195
111391220,0ptp4l0-21swapper/423:01:594
111391220,0ptp4l0-21swapper/422:50:184
111391220,0ptp4l0-21swapper/422:30:524
111391220,0ptp4l0-21swapper/421:16:404
111391220,0ptp4l0-21swapper/421:11:454
111391220,0ptp4l0-21swapper/420:50:144
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:25:154
111391220,0ptp4l0-21swapper/419:10:144
111391220,0ptp4l0-21swapper/400:36:154
111391220,0ptp4l0-21swapper/400:17:014
111391220,0ptp4l0-21swapper/400:05:074
111391220,0ptp4l0-21swapper/400:00:144
111391220,0ptp4l0-21swapper/323:58:093
111391220,0ptp4l0-21swapper/323:19:413
111391220,0ptp4l0-21swapper/322:25:143
111391220,0ptp4l0-21swapper/322:25:133
111391220,0ptp4l0-21swapper/320:10:173
111391220,0ptp4l0-21swapper/221:29:372
111391220,0ptp4l0-21swapper/220:20:122
111391220,0ptp4l0-21swapper/123:59:301
111391220,0ptp4l0-21swapper/123:50:101
111391220,0ptp4l0-21swapper/123:45:211
111391220,0ptp4l0-21swapper/123:42:201
111391220,0ptp4l0-21swapper/123:35:201
111391220,0ptp4l0-21swapper/123:30:371
111391220,0ptp4l0-21swapper/123:10:121
111391220,0ptp4l0-21swapper/122:54:571
111391220,0ptp4l0-21swapper/122:40:131
111391220,0ptp4l0-21swapper/122:16:481
111391220,0ptp4l0-21swapper/121:26:291
111391220,0ptp4l0-21swapper/121:20:151
111391220,0ptp4l0-21swapper/120:40:111
111391220,0ptp4l0-21swapper/120:38:461
111391220,0ptp4l0-21swapper/120:25:191
111391220,0ptp4l0-21swapper/119:45:121
111391220,0ptp4l0-21swapper/119:45:111
111391220,0ptp4l0-21swapper/119:11:371
111391220,0ptp4l0-21swapper/100:36:511
111391220,0ptp4l0-21swapper/023:45:120
111391220,0ptp4l0-21swapper/022:33:040
111391220,0ptp4l0-21swapper/020:50:130
111391220,0ptp4l0-21swapper/020:20:160
111391220,0ptp4l0-21swapper/019:20:010
111391220,0ptp4l0-21swapper/000:15:190
111391210,0ptp4l0-21swapper/720:17:537
111391210,0ptp4l0-21swapper/523:23:055
111391210,0ptp4l0-21swapper/523:10:135
111391210,0ptp4l0-21swapper/522:31:275
111391210,0ptp4l0-21swapper/521:47:355
111391210,0ptp4l0-21swapper/521:26:075
111391210,0ptp4l0-21swapper/520:59:235
111391210,0ptp4l0-21swapper/520:52:315
111391210,0ptp4l0-21swapper/520:44:315
111391210,0ptp4l0-21swapper/520:39:035
111391210,0ptp4l0-21swapper/520:20:295
111391210,0ptp4l0-21swapper/519:35:175
111391210,0ptp4l0-21swapper/419:59:504
111391210,0ptp4l0-21swapper/323:53:233
111391210,0ptp4l0-21swapper/323:25:233
111391210,0ptp4l0-21swapper/322:15:053
111391210,0ptp4l0-21swapper/223:57:012
111391210,0ptp4l0-21swapper/223:29:252
111391210,0ptp4l0-21swapper/222:20:352
111391210,0ptp4l0-21swapper/123:01:371
111391210,0ptp4l0-21swapper/121:44:231
111391210,0ptp4l0-21swapper/121:00:011
111391210,0ptp4l0-21swapper/120:45:121
111391210,0ptp4l0-21swapper/120:11:401
111391210,0ptp4l0-21swapper/119:35:141
111391210,0ptp4l0-21swapper/020:45:150
111391210,0ptp4l0-21swapper/020:10:100
111391200,1ptp4l25480-21ssh22:33:406
111391200,0ptp4l0-21swapper/723:25:387
111391200,0ptp4l0-21swapper/722:14:107
111391200,0ptp4l0-21swapper/719:27:367
111391200,0ptp4l0-21swapper/719:16:267
111391200,0ptp4l0-21swapper/623:09:186
111391200,0ptp4l0-21swapper/523:42:235
111391200,0ptp4l0-21swapper/521:36:045
111391200,0ptp4l0-21swapper/520:25:165
111391200,0ptp4l0-21swapper/500:37:475
111391200,0ptp4l0-21swapper/500:30:025
111391200,0ptp4l0-21swapper/419:53:264
111391200,0ptp4l0-21swapper/419:39:274
111391200,0ptp4l0-21swapper/322:57:203
111391200,0ptp4l0-21swapper/322:24:573
111391200,0ptp4l0-21swapper/319:27:263
111391200,0ptp4l0-21swapper/223:13:182
111391200,0ptp4l0-21swapper/222:53:152
111391200,0ptp4l0-21swapper/221:17:422
111391200,0ptp4l0-21swapper/219:15:192
111391200,0ptp4l0-21swapper/122:12:421
111391200,0ptp4l0-21swapper/121:56:511
111391200,0ptp4l0-21swapper/121:07:251
111391200,0ptp4l0-21swapper/120:18:271
111391200,0ptp4l0-21swapper/120:06:151
111391200,0ptp4l0-21swapper/119:44:041
111391200,0ptp4l0-21swapper/023:23:020
111391200,0ptp4l0-21swapper/020:15:140
111391190,2ptp4l0-21swapper/121:47:311
111391190,1ptp4l12901-21ssh23:45:422
111391190,0ptp4l0-21swapper/623:57:026
111391190,0ptp4l0-21swapper/622:00:436
111391190,0ptp4l0-21swapper/621:17:416
111391190,0ptp4l0-21swapper/522:52:105
111391190,0ptp4l0-21swapper/522:12:165
111391190,0ptp4l0-21swapper/319:16:253
111391190,0ptp4l0-21swapper/223:50:022
111391190,0ptp4l0-21swapper/222:33:382
111391190,0ptp4l0-21swapper/221:47:072
111391190,0ptp4l0-21swapper/219:21:592
111391190,0ptp4l0-21swapper/123:23:121
111391190,0ptp4l0-21swapper/121:53:211
111391190,0ptp4l0-21swapper/120:20:331
111391190,0ptp4l0-21swapper/100:16:441
111391190,0ptp4l0-21swapper/020:40:160
111391190,0ptp4l0-21swapper/020:34:260
111391190,0ptp4l0-21swapper/019:52:400
111391190,0ptp4l0-21swapper/019:42:130
111391180,2ptp4l0-21swapper/120:52:091
111391180,0ptp4l33-21ksoftirqd/200:14:372
111391180,0ptp4l0-21swapper/723:19:297
111391180,0ptp4l0-21swapper/722:15:027
111391180,0ptp4l0-21swapper/623:50:036
111391180,0ptp4l0-21swapper/622:53:146
111391180,0ptp4l0-21swapper/621:21:226
111391180,0ptp4l0-21swapper/620:56:166
111391180,0ptp4l0-21swapper/620:02:246
111391180,0ptp4l0-21swapper/520:14:365
111391180,0ptp4l0-21swapper/519:30:265
111391180,0ptp4l0-21swapper/421:02:284
111391180,0ptp4l0-21swapper/419:43:284
111391180,0ptp4l0-21swapper/320:43:533
111391180,0ptp4l0-21swapper/320:17:273
111391180,0ptp4l0-21swapper/220:52:592
111391180,0ptp4l0-21swapper/119:25:451
111391180,0ptp4l0-21swapper/119:20:111
111391170,0ptp4l0-21swapper/723:53:237
111391170,0ptp4l0-21swapper/623:45:436
111391170,0ptp4l0-21swapper/621:54:286
111391170,0ptp4l0-21swapper/621:32:046
111391170,0ptp4l0-21swapper/319:38:403
111391170,0ptp4l0-21swapper/223:09:172
111391170,0ptp4l0-21swapper/221:32:042
111391170,0ptp4l0-21swapper/119:19:421
111391160,1ptp4l9-21ksoftirqd/019:49:570
111391160,1ptp4l9-21ksoftirqd/019:49:570
111391160,0ptp4l0-21swapper/621:47:126
111391160,0ptp4l0-21swapper/620:20:106
111391160,0ptp4l0-21swapper/519:21:495
111391160,0ptp4l0-21swapper/420:40:214
111391160,0ptp4l0-21swapper/221:54:272
111391160,0ptp4l0-21swapper/221:06:342
111391150,0ptp4l0-21swapper/720:43:467
111391150,0ptp4l0-21swapper/719:37:417
111391150,0ptp4l0-21swapper/621:08:136
111391150,0ptp4l0-21swapper/620:52:586
111391150,0ptp4l0-21swapper/619:46:316
111391150,0ptp4l0-21swapper/619:46:306
111391150,0ptp4l0-21swapper/619:30:336
111391150,0ptp4l0-21swapper/619:29:396
111391150,0ptp4l0-21swapper/619:22:056
111391150,0ptp4l0-21swapper/521:07:085
111391150,0ptp4l0-21swapper/520:07:445
111391150,0ptp4l0-21swapper/520:00:415
111391150,0ptp4l0-21swapper/519:25:505
111391150,0ptp4l0-21swapper/519:18:015
111391150,0ptp4l0-21swapper/419:45:474
111391150,0ptp4l0-21swapper/419:45:474
111391150,0ptp4l0-21swapper/320:01:143
111391150,0ptp4l0-21swapper/220:55:082
111391150,0ptp4l0-21swapper/219:30:282
111391150,0ptp4l0-21swapper/120:00:391
111391150,0ptp4l0-21swapper/119:30:221
673899140,1cyclictest0-21swapper/321:55:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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