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2026-04-06 - 13:25

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 Mon Apr 06, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,32ptp4l0-21swapper/119:05:401
111391630,5ptp4l0-21swapper/019:07:290
111391600,29ptp4l0-21swapper/219:05:382
111391590,6ptp4l0-21swapper/419:08:314
146702560,0sleep50-21swapper/521:20:455
76952540,0sleep20-21swapper/223:29:402
1881915431,6phc2sys0-21swapper/519:08:415
1396525444,6sleep70-21swapper/719:08:327
1404624938,6sleep60-21swapper/619:09:366
1386124836,7sleep30-21swapper/319:07:093
111391460,0ptp4l12752-21ssh00:21:191
111391360,0ptp4l0-21swapper/523:05:015
111391340,0ptp4l0-21swapper/423:50:134
111391330,0ptp4l0-21swapper/420:40:184
111391330,0ptp4l0-21swapper/023:03:120
111391320,0ptp4l0-21swapper/521:50:115
111391320,0ptp4l0-21swapper/020:20:140
111391310,0ptp4l0-21swapper/522:57:465
111391310,0ptp4l0-21swapper/522:27:025
111391310,0ptp4l0-21swapper/500:00:575
111391310,0ptp4l0-21swapper/420:10:214
111391310,0ptp4l0-21swapper/022:49:280
111391310,0ptp4l0-21swapper/022:23:400
111391300,0ptp4l0-21swapper/423:30:214
111391300,0ptp4l0-21swapper/023:39:160
111391300,0ptp4l0-21swapper/021:26:480
111391290,0ptp4l0-21swapper/523:59:525
111391290,0ptp4l0-21swapper/522:18:365
111391290,0ptp4l0-21swapper/423:45:134
111391290,0ptp4l0-21swapper/421:51:044
111391290,0ptp4l0-21swapper/400:06:144
111391290,0ptp4l0-21swapper/322:37:123
111391290,0ptp4l0-21swapper/322:37:113
111391290,0ptp4l0-21swapper/321:48:383
111391290,0ptp4l0-21swapper/023:30:180
111391290,0ptp4l0-21swapper/022:32:000
111391290,0ptp4l0-21swapper/021:51:060
111391290,0ptp4l0-21swapper/021:16:540
111391290,0ptp4l0-21swapper/019:35:150
111391290,0ptp4l0-21swapper/000:38:450
111391280,3ptp4l0-21swapper/422:46:134
111391280,1ptp4l5110-21diskmemload23:55:130
111391280,0ptp4l0-21swapper/523:43:525
111391280,0ptp4l0-21swapper/522:32:025
111391280,0ptp4l0-21swapper/423:25:014
111391280,0ptp4l0-21swapper/423:12:294
111391280,0ptp4l0-21swapper/422:52:024
111391280,0ptp4l0-21swapper/422:35:524
111391280,0ptp4l0-21swapper/422:35:524
111391280,0ptp4l0-21swapper/421:15:054
111391280,0ptp4l0-21swapper/421:13:534
111391280,0ptp4l0-21swapper/023:15:180
111391280,0ptp4l0-21swapper/022:25:410
111391280,0ptp4l0-21swapper/022:11:310
111391280,0ptp4l0-21swapper/021:22:180
111391280,0ptp4l0-21swapper/000:28:190
111391270,3ptp4l0-21swapper/422:14:434
111391270,2ptp4l0-21swapper/423:44:404
111391270,0ptp4l0-21swapper/622:00:186
111391270,0ptp4l0-21swapper/522:08:375
111391270,0ptp4l0-21swapper/423:02:004
111391270,0ptp4l0-21swapper/422:33:384
111391270,0ptp4l0-21swapper/422:04:204
111391270,0ptp4l0-21swapper/421:42:054
111391270,0ptp4l0-21swapper/421:22:244
111391270,0ptp4l0-21swapper/321:53:533
111391270,0ptp4l0-21swapper/123:14:401
111391270,0ptp4l0-21swapper/122:43:061
111391270,0ptp4l0-21swapper/122:16:531
111391270,0ptp4l0-21swapper/120:50:201
111391270,0ptp4l0-21swapper/100:00:081
111391270,0ptp4l0-21swapper/023:48:000
111391270,0ptp4l0-21swapper/023:23:440
111391270,0ptp4l0-21swapper/023:13:300
111391270,0ptp4l0-21swapper/022:50:150
111391270,0ptp4l0-21swapper/000:21:580
111391270,0ptp4l0-21swapper/000:08:170
111391260,1ptp4l5132-21basename21:10:001
111391260,0ptp4l0-21swapper/523:28:165
111391260,0ptp4l0-21swapper/521:29:555
111391260,0ptp4l0-21swapper/520:25:045
111391260,0ptp4l0-21swapper/422:07:124
111391260,0ptp4l0-21swapper/419:20:204
111391260,0ptp4l0-21swapper/122:31:191
111391260,0ptp4l0-21swapper/023:41:560
111391260,0ptp4l0-21swapper/019:15:160
111391260,0ptp4l0-21swapper/019:13:020
111391260,0ptp4l0-21swapper/000:02:500
111391250,1ptp4l32470-21timerandwakeup19:45:190
111391250,0ptp4l20400-21if_err_enp1s022:15:140
111391250,0ptp4l0-21swapper/523:14:315
111391250,0ptp4l0-21swapper/521:55:135
111391250,0ptp4l0-21swapper/520:30:115
111391250,0ptp4l0-21swapper/423:39:084
111391250,0ptp4l0-21swapper/423:23:314
111391250,0ptp4l0-21swapper/422:29:224
111391250,0ptp4l0-21swapper/422:15:364
111391250,0ptp4l0-21swapper/420:20:024
111391250,0ptp4l0-21swapper/420:05:184
111391250,0ptp4l0-21swapper/419:45:164
111391250,0ptp4l0-21swapper/419:39:254
111391250,0ptp4l0-21swapper/400:18:344
111391250,0ptp4l0-21swapper/400:15:004
111391250,0ptp4l0-21swapper/400:03:484
111391250,0ptp4l0-21swapper/223:23:452
111391250,0ptp4l0-21swapper/120:55:181
111391250,0ptp4l0-21swapper/120:35:211
111391250,0ptp4l0-21swapper/023:52:230
111391250,0ptp4l0-21swapper/022:40:120
111391250,0ptp4l0-21swapper/022:35:150
111391250,0ptp4l0-21swapper/022:35:150
111391240,1ptp4l26270-21diskstats23:55:124
111391240,1ptp4l24609-21fw_conntrack19:30:110
111391240,1ptp4l24102-21sed23:05:190
111391240,1ptp4l1399-21sed21:00:155
111391240,1ptp4l1141-21df_inode21:00:130
111391240,0ptp4l0-21swapper/721:36:027
111391240,0ptp4l0-21swapper/623:34:246
111391240,0ptp4l0-21swapper/522:53:285
111391240,0ptp4l0-21swapper/421:59:594
111391240,0ptp4l0-21swapper/421:33:194
111391240,0ptp4l0-21swapper/419:50:184
111391240,0ptp4l0-21swapper/419:15:164
111391240,0ptp4l0-21swapper/419:10:174
111391240,0ptp4l0-21swapper/400:29:464
111391240,0ptp4l0-21swapper/400:22:264
111391240,0ptp4l0-21swapper/320:35:513
111391240,0ptp4l0-21swapper/123:43:041
111391240,0ptp4l0-21swapper/121:44:081
111391240,0ptp4l0-21swapper/119:20:131
111391240,0ptp4l0-21swapper/022:05:310
111391240,0ptp4l0-21swapper/022:02:260
111391240,0ptp4l0-21swapper/021:45:110
111391240,0ptp4l0-21swapper/021:30:100
111391240,0ptp4l0-21swapper/020:10:200
111391240,0ptp4l0-21swapper/019:50:190
111391240,0ptp4l0-21swapper/019:25:170
111391230,0ptp4l49-21ksoftirqd/420:00:204
111391230,0ptp4l49-21ksoftirqd/420:00:194
111391230,0ptp4l0-21swapper/700:36:227
111391230,0ptp4l0-21swapper/622:23:446
111391230,0ptp4l0-21swapper/522:45:105
111391230,0ptp4l0-21swapper/521:10:165
111391230,0ptp4l0-21swapper/520:55:115
111391230,0ptp4l0-21swapper/520:50:135
111391230,0ptp4l0-21swapper/520:35:145
111391230,0ptp4l0-21swapper/520:12:565
111391230,0ptp4l0-21swapper/519:55:175
111391230,0ptp4l0-21swapper/519:40:175
111391230,0ptp4l0-21swapper/519:20:125
111391230,0ptp4l0-21swapper/500:25:155
111391230,0ptp4l0-21swapper/500:15:205
111391230,0ptp4l0-21swapper/423:15:164
111391230,0ptp4l0-21swapper/422:55:154
111391230,0ptp4l0-21swapper/422:20:194
111391230,0ptp4l0-21swapper/421:46:024
111391230,0ptp4l0-21swapper/421:35:104
111391230,0ptp4l0-21swapper/421:27:094
111391230,0ptp4l0-21swapper/420:15:134
111391230,0ptp4l0-21swapper/419:40:184
111391230,0ptp4l0-21swapper/419:25:164
111391230,0ptp4l0-21swapper/400:35:214
111391230,0ptp4l0-21swapper/400:30:124
111391230,0ptp4l0-21swapper/321:38:033
111391230,0ptp4l0-21swapper/222:00:162
111391230,0ptp4l0-21swapper/123:25:171
111391230,0ptp4l0-21swapper/122:45:081
111391230,0ptp4l0-21swapper/121:55:151
111391230,0ptp4l0-21swapper/121:50:151
111391230,0ptp4l0-21swapper/121:46:241
111391230,0ptp4l0-21swapper/121:20:201
111391230,0ptp4l0-21swapper/121:00:151
111391230,0ptp4l0-21swapper/120:30:181
111391230,0ptp4l0-21swapper/120:15:211
111391230,0ptp4l0-21swapper/119:55:011
111391230,0ptp4l0-21swapper/119:45:011
111391230,0ptp4l0-21swapper/100:25:131
111391230,0ptp4l0-21swapper/100:15:191
111391230,0ptp4l0-21swapper/023:26:470
111391230,0ptp4l0-21swapper/022:55:200
111391230,0ptp4l0-21swapper/021:55:110
111391230,0ptp4l0-21swapper/021:35:130
111391230,0ptp4l0-21swapper/020:40:160
111391230,0ptp4l0-21swapper/020:25:010
111391230,0ptp4l0-21swapper/020:05:150
111391230,0ptp4l0-21swapper/020:00:190
111391230,0ptp4l0-21swapper/020:00:190
111391230,0ptp4l0-21swapper/019:40:190
111391230,0ptp4l0-21swapper/019:23:220
111391230,0ptp4l0-21swapper/000:19:280
111391220,1ptp4l6540-21sh00:13:581
111391220,0ptp4l0-21swapper/722:40:527
111391220,0ptp4l0-21swapper/721:47:527
111391220,0ptp4l0-21swapper/622:27:116
111391220,0ptp4l0-21swapper/621:43:026
111391220,0ptp4l0-21swapper/620:24:436
111391220,0ptp4l0-21swapper/523:38:345
111391220,0ptp4l0-21swapper/523:15:065
111391220,0ptp4l0-21swapper/522:40:155
111391220,0ptp4l0-21swapper/522:35:015
111391220,0ptp4l0-21swapper/522:35:015
111391220,0ptp4l0-21swapper/522:24:285
111391220,0ptp4l0-21swapper/521:46:165
111391220,0ptp4l0-21swapper/521:39:065
111391220,0ptp4l0-21swapper/521:18:565
111391220,0ptp4l0-21swapper/521:05:125
111391220,0ptp4l0-21swapper/520:15:225
111391220,0ptp4l0-21swapper/500:38:525
111391220,0ptp4l0-21swapper/500:34:135
111391220,0ptp4l0-21swapper/500:21:075
111391220,0ptp4l0-21swapper/500:13:205
111391220,0ptp4l0-21swapper/500:05:135
111391220,0ptp4l0-21swapper/423:05:134
111391220,0ptp4l0-21swapper/420:45:104
111391220,0ptp4l0-21swapper/420:31:044
111391220,0ptp4l0-21swapper/419:30:164
111391220,0ptp4l0-21swapper/323:18:163
111391220,0ptp4l0-21swapper/322:40:513
111391220,0ptp4l0-21swapper/322:31:283
111391220,0ptp4l0-21swapper/300:36:103
111391220,0ptp4l0-21swapper/223:34:062
111391220,0ptp4l0-21swapper/223:17:062
111391220,0ptp4l0-21swapper/222:27:122
111391220,0ptp4l0-21swapper/123:56:121
111391220,0ptp4l0-21swapper/123:32:501
111391220,0ptp4l0-21swapper/123:07:381
111391220,0ptp4l0-21swapper/123:04:171
111391220,0ptp4l0-21swapper/122:59:321
111391220,0ptp4l0-21swapper/122:10:111
111391220,0ptp4l0-21swapper/122:07:321
111391220,0ptp4l0-21swapper/121:17:391
111391220,0ptp4l0-21swapper/121:10:041
111391220,0ptp4l0-21swapper/120:25:161
111391220,0ptp4l0-21swapper/120:10:141
111391220,0ptp4l0-21swapper/119:55:111
111391220,0ptp4l0-21swapper/119:40:141
111391220,0ptp4l0-21swapper/119:35:011
111391220,0ptp4l0-21swapper/021:40:120
111391220,0ptp4l0-21swapper/021:10:120
111391220,0ptp4l0-21swapper/020:15:130
111391220,0ptp4l0-21swapper/000:31:430
111391220,0ptp4l0-21swapper/000:10:160
111391210,0ptp4l0-21swapper/723:18:107
111391210,0ptp4l0-21swapper/722:37:127
111391210,0ptp4l0-21swapper/722:37:127
111391210,0ptp4l0-21swapper/720:35:537
111391210,0ptp4l0-21swapper/719:56:567
111391210,0ptp4l0-21swapper/623:49:256
111391210,0ptp4l0-21swapper/600:35:326
111391210,0ptp4l0-21swapper/600:18:186
111391210,0ptp4l0-21swapper/523:20:495
111391210,0ptp4l0-21swapper/523:07:405
111391210,0ptp4l0-21swapper/522:10:045
111391210,0ptp4l0-21swapper/521:44:205
111391210,0ptp4l0-21swapper/521:32:485
111391210,0ptp4l0-21swapper/520:49:005
111391210,0ptp4l0-21swapper/519:46:565
111391210,0ptp4l0-21swapper/519:36:455
111391210,0ptp4l0-21swapper/519:18:225
111391210,0ptp4l0-21swapper/422:41:144
111391210,0ptp4l0-21swapper/421:00:124
111391210,0ptp4l0-21swapper/420:54:014
111391210,0ptp4l0-21swapper/319:27:553
111391210,0ptp4l0-21swapper/221:42:502
111391210,0ptp4l0-21swapper/200:38:422
111391210,0ptp4l0-21swapper/200:18:172
111391210,0ptp4l0-21swapper/123:48:221
111391210,0ptp4l0-21swapper/123:38:031
111391210,0ptp4l0-21swapper/122:38:201
111391210,0ptp4l0-21swapper/122:38:191
111391210,0ptp4l0-21swapper/122:25:561
111391210,0ptp4l0-21swapper/121:38:361
111391210,0ptp4l0-21swapper/121:32:151
111391210,0ptp4l0-21swapper/121:25:311
111391210,0ptp4l0-21swapper/120:40:531
111391210,0ptp4l0-21swapper/100:07:111
111391210,0ptp4l0-21swapper/020:54:070
111391210,0ptp4l0-21swapper/020:45:180
111391210,0ptp4l0-21swapper/020:37:440
111391200,0ptp4l0-21swapper/722:31:317
111391200,0ptp4l0-21swapper/721:18:137
111391200,0ptp4l0-21swapper/623:44:506
111391200,0ptp4l0-21swapper/623:16:446
111391200,0ptp4l0-21swapper/621:08:026
111391200,0ptp4l0-21swapper/620:27:046
111391200,0ptp4l0-21swapper/619:25:376
111391200,0ptp4l0-21swapper/523:48:065
111391200,0ptp4l0-21swapper/523:31:365
111391200,0ptp4l0-21swapper/421:08:334
111391200,0ptp4l0-21swapper/223:41:282
111391200,0ptp4l0-21swapper/223:39:332
111391200,0ptp4l0-21swapper/223:02:152
111391200,0ptp4l0-21swapper/123:52:341
111391200,0ptp4l0-21swapper/123:15:021
111391200,0ptp4l0-21swapper/122:52:071
111391200,0ptp4l0-21swapper/122:22:391
111391200,0ptp4l0-21swapper/122:02:101
111391200,0ptp4l0-21swapper/100:33:111
111391200,0ptp4l0-21swapper/021:05:550
111391200,0ptp4l0-21swapper/020:32:550
111391190,0ptp4l0-21swapper/622:50:286
111391190,0ptp4l0-21swapper/600:09:386
111391190,0ptp4l0-21swapper/523:52:395
111391190,0ptp4l0-21swapper/419:59:574
111391190,0ptp4l0-21swapper/321:18:153
111391190,0ptp4l0-21swapper/320:59:033
111391190,0ptp4l0-21swapper/223:45:022
111391190,0ptp4l0-21swapper/221:27:242
111391190,0ptp4l0-21swapper/221:15:092
111391190,0ptp4l0-21swapper/123:20:511
193502180,0sleep30-21swapper/323:00:013
111391180,0ptp4l0-21swapper/623:39:386
111391180,0ptp4l0-21swapper/623:23:506
111391180,0ptp4l0-21swapper/600:24:596
111391180,0ptp4l0-21swapper/522:02:085
111391180,0ptp4l0-21swapper/220:05:102
111391180,0ptp4l0-21swapper/200:24:582
111391180,0ptp4l0-21swapper/019:55:340
111391170,0ptp4l0-21swapper/721:53:577
111391170,0ptp4l0-21swapper/621:27:176
111391170,0ptp4l0-21swapper/420:38:114
111391170,0ptp4l0-21swapper/200:25:022
111391170,0ptp4l0-21swapper/200:09:412
111391170,0ptp4l0-21swapper/120:23:061
111391160,0ptp4l0-21swapper/600:25:046
111391160,0ptp4l0-21swapper/519:54:555
111391160,0ptp4l0-21swapper/420:25:214
111391160,0ptp4l0-21swapper/319:56:203
111391160,0ptp4l0-21swapper/222:23:412
111391160,0ptp4l0-21swapper/120:47:491
111391160,0ptp4l0-21swapper/120:05:251
111391160,0ptp4l0-21swapper/119:27:221
111391160,0ptp4l0-21swapper/119:17:081
111391160,0ptp4l0-21swapper/100:38:501
111391160,0ptp4l0-21swapper/020:55:430
111391150,0ptp4l0-21swapper/721:00:017
111391150,0ptp4l0-21swapper/720:58:297
111391150,0ptp4l0-21swapper/719:53:077
111391150,0ptp4l0-21swapper/719:36:567
111391150,0ptp4l0-21swapper/719:33:087
111391150,0ptp4l0-21swapper/719:27:237
111391150,0ptp4l0-21swapper/620:45:436
111391150,0ptp4l0-21swapper/620:38:576
111391150,0ptp4l0-21swapper/620:19:346
111391150,0ptp4l0-21swapper/620:05:066
111391150,0ptp4l0-21swapper/619:54:186
111391150,0ptp4l0-21swapper/619:21:426
111391150,0ptp4l0-21swapper/619:15:446
111391150,0ptp4l0-21swapper/520:40:555
111391150,0ptp4l0-21swapper/520:21:245
111391150,0ptp4l0-21swapper/520:05:265
111391150,0ptp4l0-21swapper/520:00:355
111391150,0ptp4l0-21swapper/520:00:345
111391150,0ptp4l0-21swapper/519:34:405
111391150,0ptp4l0-21swapper/519:26:205
111391150,0ptp4l0-21swapper/519:12:355
111391150,0ptp4l0-21swapper/319:53:083
111391150,0ptp4l0-21swapper/319:36:513
111391150,0ptp4l0-21swapper/319:33:033
111391150,0ptp4l0-21swapper/221:07:542
111391150,0ptp4l0-21swapper/219:45:342
111391150,0ptp4l0-21swapper/219:25:352
111391150,0ptp4l0-21swapper/219:21:482
111391150,0ptp4l0-21swapper/219:15:072
111391150,0ptp4l0-21swapper/200:10:352
111391150,0ptp4l0-21swapper/120:00:061
111391150,0ptp4l0-21swapper/120:00:061
111391150,0ptp4l0-21swapper/119:34:401
111391150,0ptp4l0-21swapper/119:12:271
111391140,0ptp4l0-21swapper/621:15:086
111391140,0ptp4l0-21swapper/620:00:256
111391140,0ptp4l0-21swapper/620:00:256
111391140,0ptp4l0-21swapper/619:45:326
111391140,0ptp4l0-21swapper/420:55:534
111391140,0ptp4l0-21swapper/321:00:013
111391140,0ptp4l0-21swapper/222:50:272
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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