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2025-12-16 - 16:07

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 Tue Dec 16, 2025 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391610,30ptp4l0-21swapper/107:07:211
193202600,0sleep20-21swapper/208:25:172
111391600,29ptp4l0-21swapper/007:05:580
111391590,5ptp4l0-21swapper/407:06:384
1881915747,6phc2sys0-21swapper/707:05:417
1517325634,7sleep30-21swapper/307:07:263
111391490,5ptp4l0-21swapper/507:05:185
1533524838,6sleep60-21swapper/607:09:306
1517224736,6sleep20-21swapper/207:07:252
111391320,0ptp4l0-21swapper/507:45:195
111391320,0ptp4l0-21swapper/110:55:181
111391290,0ptp4l0-21swapper/108:00:161
111391290,0ptp4l0-21swapper/108:00:161
111391290,0ptp4l0-21swapper/011:40:000
1570899280,4cyclictest0-21swapper/509:23:115
111391260,0ptp4l0-21swapper/509:25:145
111391260,0ptp4l0-21swapper/010:18:550
111391250,1ptp4l6642-21munin-run08:00:005
111391250,1ptp4l6642-21munin-run08:00:005
111391250,1ptp4l25-21ksoftirqd/108:50:001
111391250,1ptp4l18999-21cut07:15:135
111391250,0ptp4l0-21swapper/607:30:166
111391250,0ptp4l0-21swapper/508:50:125
111391250,0ptp4l0-21swapper/112:12:581
111391250,0ptp4l0-21swapper/011:20:170
111391240,7ptp4l0-21swapper/109:24:391
111391240,1ptp4l956-21smart_sda08:55:191
111391240,1ptp4l9378-21fw_forwarded_lo09:15:144
111391240,1ptp4l19028-21fw_conntrack07:15:141
111391240,1ptp4l18904-21uname09:35:154
111391240,1ptp4l15743-21latency_hist09:30:000
111391240,1ptp4l14800-21grep08:15:185
111391240,1ptp4l12249-21irqstats08:10:157
111391240,0ptp4l0-21swapper/708:25:177
111391240,0ptp4l0-21swapper/512:30:425
111391240,0ptp4l0-21swapper/512:26:515
111391240,0ptp4l0-21swapper/511:10:165
111391240,0ptp4l0-21swapper/510:55:185
111391240,0ptp4l0-21swapper/509:56:455
111391240,0ptp4l0-21swapper/509:13:505
111391240,0ptp4l0-21swapper/411:05:184
111391240,0ptp4l0-21swapper/410:35:174
111391240,0ptp4l0-21swapper/410:35:174
111391240,0ptp4l0-21swapper/408:35:154
111391240,0ptp4l0-21swapper/407:35:214
111391240,0ptp4l0-21swapper/111:35:151
111391240,0ptp4l0-21swapper/109:15:201
111391240,0ptp4l0-21swapper/010:35:150
111391240,0ptp4l0-21swapper/010:35:140
111391230,4ptp4l0-21swapper/511:31:265
111391230,2ptp4l0-21swapper/111:10:261
111391230,1ptp4l733-21dbus-daemon10:15:010
111391230,1ptp4l724-21sed10:05:211
111391230,1ptp4l25192-21hddtemp_smartct11:00:131
111391230,1ptp4l23099-21df09:45:111
111391230,0ptp4l0-21swapper/709:55:147
111391230,0ptp4l0-21swapper/611:05:206
111391230,0ptp4l0-21swapper/512:35:115
111391230,0ptp4l0-21swapper/512:06:085
111391230,0ptp4l0-21swapper/511:55:185
111391230,0ptp4l0-21swapper/511:25:185
111391230,0ptp4l0-21swapper/510:12:195
111391230,0ptp4l0-21swapper/509:45:205
111391230,0ptp4l0-21swapper/509:38:595
111391230,0ptp4l0-21swapper/508:55:175
111391230,0ptp4l0-21swapper/508:32:075
111391230,0ptp4l0-21swapper/508:12:175
111391230,0ptp4l0-21swapper/412:35:184
111391230,0ptp4l0-21swapper/411:15:004
111391230,0ptp4l0-21swapper/410:40:204
111391230,0ptp4l0-21swapper/409:30:154
111391230,0ptp4l0-21swapper/308:10:053
111391230,0ptp4l0-21swapper/210:46:362
111391230,0ptp4l0-21swapper/112:20:131
111391230,0ptp4l0-21swapper/111:59:591
111391230,0ptp4l0-21swapper/111:25:131
111391230,0ptp4l0-21swapper/110:34:481
111391230,0ptp4l0-21swapper/110:19:061
111391230,0ptp4l0-21swapper/108:30:191
111391230,0ptp4l0-21swapper/108:12:151
111391230,0ptp4l0-21swapper/107:40:181
111391230,0ptp4l0-21swapper/107:14:531
111391230,0ptp4l0-21swapper/012:15:420
111391230,0ptp4l0-21swapper/012:10:120
111391230,0ptp4l0-21swapper/010:50:160
111391230,0ptp4l0-21swapper/010:45:000
111391230,0ptp4l0-21swapper/010:40:220
111391230,0ptp4l0-21swapper/009:51:240
111391230,0ptp4l0-21swapper/009:44:420
111391230,0ptp4l0-21swapper/009:33:240
111391230,0ptp4l0-21swapper/008:20:160
111391230,0ptp4l0-21swapper/007:50:210
111391230,0ptp4l0-21swapper/007:30:120
111391230,0ptp4l0-21swapper/007:25:130
1570899224,0cyclictest0-21swapper/509:15:295
111391220,1ptp4l26388-21unixbench_singl11:00:205
111391220,1ptp4l25-21ksoftirqd/109:13:491
111391220,1ptp4l13450-21diskstats11:45:121
111391220,0ptp4l0-21swapper/707:29:117
111391220,0ptp4l0-21swapper/512:20:155
111391220,0ptp4l0-21swapper/512:15:125
111391220,0ptp4l0-21swapper/512:13:465
111391220,0ptp4l0-21swapper/512:00:195
111391220,0ptp4l0-21swapper/511:46:035
111391220,0ptp4l0-21swapper/511:35:165
111391220,0ptp4l0-21swapper/510:54:305
111391220,0ptp4l0-21swapper/510:20:155
111391220,0ptp4l0-21swapper/510:16:485
111391220,0ptp4l0-21swapper/510:05:235
111391220,0ptp4l0-21swapper/509:40:195
111391220,0ptp4l0-21swapper/508:40:195
111391220,0ptp4l0-21swapper/508:21:365
111391220,0ptp4l0-21swapper/507:40:195
111391220,0ptp4l0-21swapper/507:35:135
111391220,0ptp4l0-21swapper/507:25:205
111391220,0ptp4l0-21swapper/412:25:134
111391220,0ptp4l0-21swapper/412:05:124
111391220,0ptp4l0-21swapper/411:35:004
111391220,0ptp4l0-21swapper/411:20:214
111391220,0ptp4l0-21swapper/410:50:194
111391220,0ptp4l0-21swapper/410:45:204
111391220,0ptp4l0-21swapper/410:30:014
111391220,0ptp4l0-21swapper/410:25:174
111391220,0ptp4l0-21swapper/410:15:194
111391220,0ptp4l0-21swapper/410:00:184
111391220,0ptp4l0-21swapper/409:50:174
111391220,0ptp4l0-21swapper/409:00:164
111391220,0ptp4l0-21swapper/408:50:184
111391220,0ptp4l0-21swapper/408:45:124
111391220,0ptp4l0-21swapper/408:40:164
111391220,0ptp4l0-21swapper/408:20:134
111391220,0ptp4l0-21swapper/407:50:194
111391220,0ptp4l0-21swapper/407:40:154
111391220,0ptp4l0-21swapper/407:30:144
111391220,0ptp4l0-21swapper/407:20:194
111391220,0ptp4l0-21swapper/407:10:214
111391220,0ptp4l0-21swapper/308:26:243
111391220,0ptp4l0-21swapper/208:22:052
111391220,0ptp4l0-21swapper/112:15:151
111391220,0ptp4l0-21swapper/112:00:131
111391220,0ptp4l0-21swapper/111:50:171
111391220,0ptp4l0-21swapper/111:07:331
111391220,0ptp4l0-21swapper/110:25:211
111391220,0ptp4l0-21swapper/109:25:211
111391220,0ptp4l0-21swapper/109:05:201
111391220,0ptp4l0-21swapper/108:50:131
111391220,0ptp4l0-21swapper/108:15:181
111391220,0ptp4l0-21swapper/107:45:131
111391220,0ptp4l0-21swapper/107:35:141
111391220,0ptp4l0-21swapper/107:30:191
111391220,0ptp4l0-21swapper/012:35:000
111391220,0ptp4l0-21swapper/012:25:150
111391220,0ptp4l0-21swapper/011:35:210
111391220,0ptp4l0-21swapper/011:32:510
111391220,0ptp4l0-21swapper/011:05:130
111391220,0ptp4l0-21swapper/010:59:100
111391220,0ptp4l0-21swapper/010:30:190
111391220,0ptp4l0-21swapper/010:00:120
111391220,0ptp4l0-21swapper/009:35:180
111391220,0ptp4l0-21swapper/009:20:300
111391220,0ptp4l0-21swapper/009:15:130
111391220,0ptp4l0-21swapper/009:00:120
111391220,0ptp4l0-21swapper/008:45:130
111391220,0ptp4l0-21swapper/008:40:140
111391220,0ptp4l0-21swapper/008:35:160
111391220,0ptp4l0-21swapper/008:33:070
111391220,0ptp4l0-21swapper/008:20:010
111391220,0ptp4l0-21swapper/007:55:120
111391220,0ptp4l0-21swapper/007:55:120
111391220,0ptp4l0-21swapper/007:50:000
111391220,0ptp4l0-21swapper/007:20:190
111391210,3ptp4l401ktimersoftd/310:25:323
111391210,1ptp4l1476-21cpu12:30:114
111391210,0ptp4l0-21swapper/511:54:355
111391210,0ptp4l0-21swapper/511:08:555
111391210,0ptp4l0-21swapper/510:25:185
111391210,0ptp4l0-21swapper/509:05:145
111391210,0ptp4l0-21swapper/508:50:015
111391210,0ptp4l0-21swapper/508:06:165
111391210,0ptp4l0-21swapper/508:00:155
111391210,0ptp4l0-21swapper/508:00:155
111391210,0ptp4l0-21swapper/507:50:165
111391210,0ptp4l0-21swapper/412:15:214
111391210,0ptp4l0-21swapper/412:10:144
111391210,0ptp4l0-21swapper/411:50:214
111391210,0ptp4l0-21swapper/411:30:024
111391210,0ptp4l0-21swapper/409:49:554
111391210,0ptp4l0-21swapper/409:10:164
111391210,0ptp4l0-21swapper/408:25:144
111391210,0ptp4l0-21swapper/408:05:134
111391210,0ptp4l0-21swapper/407:25:124
111391210,0ptp4l0-21swapper/309:55:123
111391210,0ptp4l0-21swapper/210:15:172
111391210,0ptp4l0-21swapper/207:30:142
111391210,0ptp4l0-21swapper/112:35:101
111391210,0ptp4l0-21swapper/112:30:201
111391210,0ptp4l0-21swapper/110:10:121
111391210,0ptp4l0-21swapper/109:40:181
111391210,0ptp4l0-21swapper/109:37:311
111391210,0ptp4l0-21swapper/108:40:171
111391210,0ptp4l0-21swapper/108:36:191
111391210,0ptp4l0-21swapper/107:25:181
111391210,0ptp4l0-21swapper/012:35:170
111391210,0ptp4l0-21swapper/012:21:110
111391210,0ptp4l0-21swapper/012:05:190
111391210,0ptp4l0-21swapper/011:15:210
111391210,0ptp4l0-21swapper/010:29:530
111391210,0ptp4l0-21swapper/010:20:200
111391210,0ptp4l0-21swapper/009:10:160
111391210,0ptp4l0-21swapper/009:07:150
111391210,0ptp4l0-21swapper/008:57:180
111391210,0ptp4l0-21swapper/008:52:350
111391210,0ptp4l0-21swapper/008:05:010
111391210,0ptp4l0-21swapper/007:35:160
111391210,0ptp4l0-21swapper/007:18:140
111391210,0ptp4l0-21swapper/007:10:140
111391200,0ptp4l25-21ksoftirqd/112:09:021
111391200,0ptp4l0-21swapper/511:44:565
111391200,0ptp4l0-21swapper/508:39:255
111391200,0ptp4l0-21swapper/507:21:315
111391200,0ptp4l0-21swapper/411:45:214
111391200,0ptp4l0-21swapper/411:40:184
111391200,0ptp4l0-21swapper/411:26:544
111391200,0ptp4l0-21swapper/411:15:214
111391200,0ptp4l0-21swapper/411:04:124
111391200,0ptp4l0-21swapper/410:20:184
111391200,0ptp4l0-21swapper/409:40:144
111391200,0ptp4l0-21swapper/407:55:174
111391200,0ptp4l0-21swapper/407:55:174
111391200,0ptp4l0-21swapper/211:16:542
111391200,0ptp4l0-21swapper/110:22:551
111391200,0ptp4l0-21swapper/108:08:221
111391200,0ptp4l0-21swapper/107:50:181
111391200,0ptp4l0-21swapper/011:50:190
111391200,0ptp4l0-21swapper/011:26:560
111391200,0ptp4l0-21swapper/010:06:530
111391190,0ptp4l0-21swapper/612:34:066
111391190,0ptp4l0-21swapper/608:55:596
111391190,0ptp4l0-21swapper/507:31:455
111391190,0ptp4l0-21swapper/410:56:544
111391190,0ptp4l0-21swapper/211:52:542
111391190,0ptp4l0-21swapper/110:54:091
111391190,0ptp4l0-21swapper/110:40:111
111391190,0ptp4l0-21swapper/110:36:541
111391190,0ptp4l0-21swapper/110:36:541
111391190,0ptp4l0-21swapper/109:32:541
111391190,0ptp4l0-21swapper/011:03:550
111391190,0ptp4l0-21swapper/009:49:320
111391190,0ptp4l0-21swapper/008:04:550
111391190,0ptp4l0-21swapper/008:04:550
111391190,0ptp4l0-21swapper/007:43:550
111391180,0ptp4l31697-21latency_hist11:15:010
111391180,0ptp4l0-21swapper/708:09:387
111391180,0ptp4l0-21swapper/611:18:016
111391180,0ptp4l0-21swapper/610:09:556
111391180,0ptp4l0-21swapper/509:33:525
111391180,0ptp4l0-21swapper/509:05:005
111391180,0ptp4l0-21swapper/507:11:405
111391180,0ptp4l0-21swapper/410:10:214
111391180,0ptp4l0-21swapper/409:27:324
111391180,0ptp4l0-21swapper/408:18:374
111391180,0ptp4l0-21swapper/212:12:022
111391180,0ptp4l0-21swapper/209:48:002
111391180,0ptp4l0-21swapper/110:45:541
111391180,0ptp4l0-21swapper/109:58:001
111391180,0ptp4l0-21swapper/109:52:261
111391180,0ptp4l0-21swapper/109:01:591
111391180,0ptp4l0-21swapper/108:28:461
111391180,0ptp4l0-21swapper/107:23:261
111391180,0ptp4l0-21swapper/012:00:270
15702991715,1cyclictest481ktimersoftd/408:31:094
1568799171,1cyclictest0-21swapper/211:20:152
111391170,0ptp4l0-21swapper/609:51:136
111391170,0ptp4l0-21swapper/608:47:476
111391170,0ptp4l0-21swapper/510:45:255
111391170,0ptp4l0-21swapper/510:30:525
111391170,0ptp4l0-21swapper/509:54:545
111391170,0ptp4l0-21swapper/410:07:394
111391170,0ptp4l0-21swapper/409:21:214
111391170,0ptp4l0-21swapper/409:05:594
111391170,0ptp4l0-21swapper/408:58:594
111391170,0ptp4l0-21swapper/408:13:544
111391170,0ptp4l0-21swapper/407:18:574
111391170,0ptp4l0-21swapper/209:57:372
111391170,0ptp4l0-21swapper/008:14:100
111391160,0ptp4l25-21ksoftirqd/111:30:361
111391160,0ptp4l0-21swapper/610:20:326
111391160,0ptp4l0-21swapper/511:17:465
111391160,0ptp4l0-21swapper/510:43:315
111391160,0ptp4l0-21swapper/412:24:394
111391160,0ptp4l0-21swapper/412:03:024
111391160,0ptp4l0-21swapper/407:48:294
111391160,0ptp4l0-21swapper/312:02:253
111391160,0ptp4l0-21swapper/112:26:171
111391160,0ptp4l0-21swapper/111:21:191
111391160,0ptp4l0-21swapper/107:57:581
111391160,0ptp4l0-21swapper/107:57:581
111391160,0ptp4l0-21swapper/008:29:080
111391150,0ptp4l0-21swapper/708:19:057
111391150,0ptp4l0-21swapper/612:36:316
111391150,0ptp4l0-21swapper/612:12:036
111391150,0ptp4l0-21swapper/611:50:346
111391150,0ptp4l0-21swapper/611:29:446
111391150,0ptp4l0-21swapper/611:13:216
111391150,0ptp4l0-21swapper/610:46:366
111391150,0ptp4l0-21swapper/610:27:016
111391150,0ptp4l0-21swapper/609:48:006
111391150,0ptp4l0-21swapper/608:42:146
111391150,0ptp4l0-21swapper/608:22:076
111391150,0ptp4l0-21swapper/607:37:296
111391150,0ptp4l0-21swapper/511:21:295
111391150,0ptp4l0-21swapper/510:36:125
111391150,0ptp4l0-21swapper/510:36:125
111391150,0ptp4l0-21swapper/510:04:235
111391150,0ptp4l0-21swapper/508:27:405
111391150,0ptp4l0-21swapper/411:57:174
111391150,0ptp4l0-21swapper/409:55:264
111391150,0ptp4l0-21swapper/408:01:574
111391150,0ptp4l0-21swapper/408:01:574
111391150,0ptp4l0-21swapper/308:20:263
111391150,0ptp4l0-21swapper/308:19:063
111391150,0ptp4l0-21swapper/307:28:283
111391150,0ptp4l0-21swapper/212:31:232
111391150,0ptp4l0-21swapper/212:18:402
111391150,0ptp4l0-21swapper/211:26:372
111391150,0ptp4l0-21swapper/211:05:182
111391150,0ptp4l0-21swapper/211:04:572
111391150,0ptp4l0-21swapper/210:42:522
111391150,0ptp4l0-21swapper/210:26:572
111391150,0ptp4l0-21swapper/208:56:042
111391150,0ptp4l0-21swapper/208:42:202
111391150,0ptp4l0-21swapper/207:12:592
111391150,0ptp4l0-21swapper/111:40:151
111391150,0ptp4l0-21swapper/111:17:451
111391150,0ptp4l0-21swapper/110:00:021
111391150,0ptp4l0-21swapper/108:21:311
111391150,0ptp4l0-21swapper/011:57:180
111391150,0ptp4l0-21swapper/011:45:220
111391150,0ptp4l0-21swapper/009:55:060
111391140,0ptp4l0-21swapper/712:27:307
111391140,0ptp4l0-21swapper/712:02:267
111391140,0ptp4l0-21swapper/710:25:337
111391140,0ptp4l0-21swapper/612:18:416
111391140,0ptp4l0-21swapper/610:42:506
111391140,0ptp4l0-21swapper/609:57:376
111391140,0ptp4l0-21swapper/609:03:246
111391140,0ptp4l0-21swapper/608:52:406
111391140,0ptp4l0-21swapper/608:17:566
111391140,0ptp4l0-21swapper/607:51:506
111391140,0ptp4l0-21swapper/312:27:313
111391140,0ptp4l0-21swapper/308:09:253
111391140,0ptp4l0-21swapper/212:36:292
111391140,0ptp4l0-21swapper/212:04:202
111391140,0ptp4l0-21swapper/211:38:262
111391140,0ptp4l0-21swapper/211:11:182
111391140,0ptp4l0-21swapper/210:57:562
111391140,0ptp4l0-21swapper/210:20:292
111391140,0ptp4l0-21swapper/210:09:542
111391140,0ptp4l0-21swapper/209:51:082
111391140,0ptp4l0-21swapper/209:33:252
111391140,0ptp4l0-21swapper/209:03:242
111391140,0ptp4l0-21swapper/208:50:262
111391140,0ptp4l0-21swapper/208:47:422
111391140,0ptp4l0-21swapper/208:17:562
111391140,0ptp4l0-21swapper/207:50:322
111391140,0ptp4l0-21swapper/207:37:242
1572699100,0cyclictest0-21swapper/707:10:147
1571999109,0cyclictest0-21swapper/611:35:186
1569599109,0cyclictest0-21swapper/312:15:213
1569599100,9cyclictest0-21swapper/309:00:003
1568799105,4cyclictest1051-21munin-run12:30:002
1568799100,0cyclictest0-21swapper/207:15:212
18819190,4phc2sys0-21swapper/709:32:367
157269998,0cyclictest0-21swapper/710:10:017
157269998,0cyclictest0-21swapper/708:37:557
157269997,1cyclictest0-21swapper/708:20:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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