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2026-08-02 - 21:37

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 Sun Aug 02, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1690421040,4sleep40-21swapper/407:05:164
286732670,1sleep11068-21runrttasks10:17:371
111391650,5ptp4l0-21swapper/007:07:390
111391620,5ptp4l0-21swapper/107:09:171
1825526049,6sleep70-21swapper/707:07:287
1822525433,7sleep30-21swapper/307:07:083
1881915038,7phc2sys0-21swapper/507:08:285
1834025038,7sleep60-21swapper/607:08:326
1816024838,6sleep20-21swapper/207:06:192
1875199448,12cyclictest0-21swapper/508:10:165
111391320,1ptp4l17743-21/usr/sbin/munin12:15:131
111391320,0ptp4l0-21swapper/411:42:304
111391320,0ptp4l0-21swapper/409:45:164
111391320,0ptp4l0-21swapper/408:35:214
111391310,4ptp4l0-21swapper/510:45:185
111391310,3ptp4l2902-21ssh11:55:071
111391310,0ptp4l0-21swapper/411:20:164
111391310,0ptp4l0-21swapper/409:57:134
111391310,0ptp4l0-21swapper/110:36:561
111391300,1ptp4l20433-21ssh10:05:371
111391300,0ptp4l0-21swapper/510:31:535
111391300,0ptp4l0-21swapper/509:35:565
111391300,0ptp4l0-21swapper/412:19:204
111391300,0ptp4l0-21swapper/411:59:134
111391300,0ptp4l0-21swapper/410:52:324
111391300,0ptp4l0-21swapper/111:34:281
111391300,0ptp4l0-21swapper/109:15:491
111391300,0ptp4l0-21swapper/109:15:481
111391300,0ptp4l0-21swapper/010:15:200
111391290,3ptp4l0-21swapper/112:36:191
111391290,0ptp4l0-21swapper/412:37:044
111391290,0ptp4l0-21swapper/412:27:424
111391290,0ptp4l0-21swapper/412:08:464
111391290,0ptp4l0-21swapper/411:09:004
111391290,0ptp4l0-21swapper/410:56:254
111391290,0ptp4l0-21swapper/410:11:544
111391290,0ptp4l0-21swapper/409:32:264
111391290,0ptp4l0-21swapper/409:29:254
111391290,0ptp4l0-21swapper/111:08:171
111391290,0ptp4l0-21swapper/110:22:471
111391290,0ptp4l0-21swapper/109:36:241
111391290,0ptp4l0-21swapper/109:21:081
111391290,0ptp4l0-21swapper/107:40:111
111391290,0ptp4l0-21swapper/011:37:120
111391290,0ptp4l0-21swapper/010:00:020
111391280,3ptp4l0-21swapper/511:14:555
111391280,2ptp4l0-21swapper/511:16:425
111391280,2ptp4l0-21swapper/011:28:150
111391280,0ptp4l23846-21ssh12:22:371
111391280,0ptp4l0-21swapper/611:10:476
111391280,0ptp4l0-21swapper/611:09:166
111391280,0ptp4l0-21swapper/511:48:335
111391280,0ptp4l0-21swapper/510:43:335
111391280,0ptp4l0-21swapper/510:06:025
111391280,0ptp4l0-21swapper/509:20:195
111391280,0ptp4l0-21swapper/111:49:451
111391280,0ptp4l0-21swapper/110:43:431
111391280,0ptp4l0-21swapper/110:33:501
111391280,0ptp4l0-21swapper/012:04:040
111391280,0ptp4l0-21swapper/009:21:330
111391270,3ptp4l561ktimersoftd/512:09:325
111391270,3ptp4l0-21swapper/012:21:300
111391270,2ptp4l0-21swapper/510:51:005
111391270,0ptp4l0-21swapper/511:26:015
111391270,0ptp4l0-21swapper/509:43:515
111391270,0ptp4l0-21swapper/411:47:134
111391270,0ptp4l0-21swapper/411:04:124
111391270,0ptp4l0-21swapper/410:04:544
111391270,0ptp4l0-21swapper/409:23:214
111391270,0ptp4l0-21swapper/112:30:071
111391270,0ptp4l0-21swapper/112:12:531
111391260,2ptp4l0-21swapper/109:58:161
111391260,2ptp4l0-21swapper/010:28:160
111391260,0ptp4l0-21swapper/612:33:366
111391260,0ptp4l0-21swapper/609:31:146
111391260,0ptp4l0-21swapper/410:27:044
111391260,0ptp4l0-21swapper/111:44:481
111391260,0ptp4l0-21swapper/110:59:191
111391260,0ptp4l0-21swapper/108:29:551
111391250,7ptp4l0-21swapper/408:14:284
111391250,2ptp4l481ktimersoftd/410:40:444
111391250,2ptp4l0-21swapper/111:14:081
111391250,1ptp4l3504-21fw_conntrack07:45:131
111391250,0ptp4l0-21swapper/511:52:295
111391250,0ptp4l0-21swapper/511:52:295
111391250,0ptp4l0-21swapper/509:05:225
111391250,0ptp4l0-21swapper/412:20:124
111391250,0ptp4l0-21swapper/412:02:594
111391250,0ptp4l0-21swapper/411:10:014
111391250,0ptp4l0-21swapper/410:07:084
111391250,0ptp4l0-21swapper/409:39:244
111391250,0ptp4l0-21swapper/409:18:154
111391250,0ptp4l0-21swapper/409:18:144
111391250,0ptp4l0-21swapper/408:18:074
111391250,0ptp4l0-21swapper/407:54:384
111391250,0ptp4l0-21swapper/112:09:451
111391250,0ptp4l0-21swapper/111:50:151
111391250,0ptp4l0-21swapper/111:50:151
111391250,0ptp4l0-21swapper/110:49:131
111391250,0ptp4l0-21swapper/109:50:151
111391250,0ptp4l0-21swapper/012:25:140
111391250,0ptp4l0-21swapper/011:15:150
111391250,0ptp4l0-21swapper/010:05:150
111391250,0ptp4l0-21swapper/009:30:120
111391250,0ptp4l0-21swapper/009:15:180
111391250,0ptp4l0-21swapper/009:15:180
111391240,1ptp4l8981-21diskstats10:35:120
111391240,1ptp4l6484-21ls09:00:204
111391240,1ptp4l3485-21threads11:10:210
111391240,1ptp4l32583-21/usr/sbin/munin09:40:194
111391240,1ptp4l24567-21fw_conntrack11:40:135
111391240,1ptp4l19103-21cpuspeed_turbos07:10:125
111391240,1ptp4l13080-21cat10:40:150
111391240,0ptp4l481ktimersoftd/412:30:584
111391240,0ptp4l0-21swapper/612:25:356
111391240,0ptp4l0-21swapper/512:30:175
111391240,0ptp4l0-21swapper/509:50:155
111391240,0ptp4l0-21swapper/508:42:285
111391240,0ptp4l0-21swapper/507:36:125
111391240,0ptp4l0-21swapper/411:20:004
111391240,0ptp4l0-21swapper/410:15:114
111391240,0ptp4l0-21swapper/409:51:554
111391240,0ptp4l0-21swapper/409:10:004
111391240,0ptp4l0-21swapper/407:33:584
111391240,0ptp4l0-21swapper/407:20:174
111391240,0ptp4l0-21swapper/407:13:084
111391240,0ptp4l0-21swapper/109:27:251
111391240,0ptp4l0-21swapper/107:54:311
111391240,0ptp4l0-21swapper/011:56:300
111391240,0ptp4l0-21swapper/010:50:230
111391240,0ptp4l0-21swapper/010:14:120
111391240,0ptp4l0-21swapper/009:37:370
111391240,0ptp4l0-21swapper/009:25:180
111391240,0ptp4l0-21swapper/009:05:000
111391240,0ptp4l0-21swapper/007:50:000
111391240,0ptp4l0-21swapper/007:15:160
111391230,2ptp4l0-21swapper/607:12:276
111391230,1ptp4l591-21/usr/sbin/munin08:50:111
111391230,1ptp4l2128-21sh09:41:151
111391230,0ptp4l0-21swapper/611:22:006
111391230,0ptp4l0-21swapper/512:20:205
111391230,0ptp4l0-21swapper/511:24:105
111391230,0ptp4l0-21swapper/511:02:505
111391230,0ptp4l0-21swapper/510:39:525
111391230,0ptp4l0-21swapper/510:23:215
111391230,0ptp4l0-21swapper/510:15:185
111391230,0ptp4l0-21swapper/509:18:555
111391230,0ptp4l0-21swapper/509:18:555
111391230,0ptp4l0-21swapper/508:58:405
111391230,0ptp4l0-21swapper/508:45:105
111391230,0ptp4l0-21swapper/508:30:135
111391230,0ptp4l0-21swapper/508:00:155
111391230,0ptp4l0-21swapper/507:45:155
111391230,0ptp4l0-21swapper/507:30:195
111391230,0ptp4l0-21swapper/412:11:074
111391230,0ptp4l0-21swapper/411:25:204
111391230,0ptp4l0-21swapper/410:47:084
111391230,0ptp4l0-21swapper/410:35:144
111391230,0ptp4l0-21swapper/408:46:514
111391230,0ptp4l0-21swapper/408:42:164
111391230,0ptp4l0-21swapper/408:29:344
111391230,0ptp4l0-21swapper/408:20:214
111391230,0ptp4l0-21swapper/408:05:234
111391230,0ptp4l0-21swapper/408:00:244
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:25:164
111391230,0ptp4l0-21swapper/407:15:174
111391230,0ptp4l0-21swapper/212:25:152
111391230,0ptp4l0-21swapper/210:44:592
111391230,0ptp4l0-21swapper/208:40:122
111391230,0ptp4l0-21swapper/110:51:061
111391230,0ptp4l0-21swapper/109:45:521
111391230,0ptp4l0-21swapper/109:34:491
111391230,0ptp4l0-21swapper/109:05:181
111391230,0ptp4l0-21swapper/108:59:031
111391230,0ptp4l0-21swapper/108:45:131
111391230,0ptp4l0-21swapper/108:40:211
111391230,0ptp4l0-21swapper/108:10:001
111391230,0ptp4l0-21swapper/108:00:141
111391230,0ptp4l0-21swapper/107:35:151
111391230,0ptp4l0-21swapper/107:23:201
111391230,0ptp4l0-21swapper/107:10:181
111391230,0ptp4l0-21swapper/012:18:480
111391230,0ptp4l0-21swapper/011:20:160
111391230,0ptp4l0-21swapper/010:30:020
111391230,0ptp4l0-21swapper/009:55:160
111391230,0ptp4l0-21swapper/009:12:010
111391230,0ptp4l0-21swapper/008:40:000
111391230,0ptp4l0-21swapper/008:35:120
111391230,0ptp4l0-21swapper/008:25:210
111391230,0ptp4l0-21swapper/008:20:180
111391230,0ptp4l0-21swapper/008:05:220
111391230,0ptp4l0-21swapper/008:00:160
111391230,0ptp4l0-21swapper/007:55:230
111391230,0ptp4l0-21swapper/007:50:180
111391230,0ptp4l0-21swapper/007:40:090
111391230,0ptp4l0-21swapper/007:30:140
111391230,0ptp4l0-21swapper/007:25:180
111391230,0ptp4l0-21swapper/007:20:140
111391230,0ptp4l0-21swapper/007:15:010
111391220,4ptp4l0-21swapper/007:35:530
111391220,1ptp4l9490-21diskmemload11:01:201
111391220,0ptp4l0-21swapper/610:54:106
111391220,0ptp4l0-21swapper/610:29:396
111391220,0ptp4l0-21swapper/608:40:136
111391220,0ptp4l0-21swapper/608:20:526
111391220,0ptp4l0-21swapper/512:35:105
111391220,0ptp4l0-21swapper/512:18:395
111391220,0ptp4l0-21swapper/512:01:585
111391220,0ptp4l0-21swapper/511:59:225
111391220,0ptp4l0-21swapper/510:00:565
111391220,0ptp4l0-21swapper/509:10:145
111391220,0ptp4l0-21swapper/508:50:005
111391220,0ptp4l0-21swapper/508:30:015
111391220,0ptp4l0-21swapper/508:23:405
111391220,0ptp4l0-21swapper/507:40:115
111391220,0ptp4l0-21swapper/507:29:085
111391220,0ptp4l0-21swapper/507:18:575
111391220,0ptp4l0-21swapper/411:35:014
111391220,0ptp4l0-21swapper/411:30:194
111391220,0ptp4l0-21swapper/410:30:044
111391220,0ptp4l0-21swapper/410:21:344
111391220,0ptp4l0-21swapper/409:10:594
111391220,0ptp4l0-21swapper/408:55:164
111391220,0ptp4l0-21swapper/408:55:004
111391220,0ptp4l0-21swapper/407:45:444
111391220,0ptp4l0-21swapper/211:10:432
111391220,0ptp4l0-21swapper/211:09:182
111391220,0ptp4l0-21swapper/210:29:382
111391220,0ptp4l0-21swapper/208:20:512
111391220,0ptp4l0-21swapper/207:25:202
111391220,0ptp4l0-21swapper/111:40:011
111391220,0ptp4l0-21swapper/111:26:271
111391220,0ptp4l0-21swapper/111:16:301
111391220,0ptp4l0-21swapper/110:12:531
111391220,0ptp4l0-21swapper/110:00:011
111391220,0ptp4l0-21swapper/109:10:131
111391220,0ptp4l0-21swapper/109:02:221
111391220,0ptp4l0-21swapper/108:30:011
111391220,0ptp4l0-21swapper/108:22:461
111391220,0ptp4l0-21swapper/108:15:141
111391220,0ptp4l0-21swapper/107:30:191
111391220,0ptp4l0-21swapper/012:37:140
111391220,0ptp4l0-21swapper/012:33:380
111391220,0ptp4l0-21swapper/012:10:180
111391220,0ptp4l0-21swapper/012:05:120
111391220,0ptp4l0-21swapper/011:45:130
111391220,0ptp4l0-21swapper/011:40:210
111391220,0ptp4l0-21swapper/011:30:140
111391220,0ptp4l0-21swapper/011:05:200
111391220,0ptp4l0-21swapper/011:00:200
111391220,0ptp4l0-21swapper/010:55:590
111391220,0ptp4l0-21swapper/010:45:480
111391220,0ptp4l0-21swapper/010:20:210
111391220,0ptp4l0-21swapper/009:51:330
111391220,0ptp4l0-21swapper/009:45:050
111391220,0ptp4l0-21swapper/009:40:060
111391220,0ptp4l0-21swapper/009:05:130
111391220,0ptp4l0-21swapper/008:55:170
111391220,0ptp4l0-21swapper/008:45:020
111391210,0ptp4l0-21swapper/612:17:286
111391210,0ptp4l0-21swapper/612:09:296
111391210,0ptp4l0-21swapper/611:56:106
111391210,0ptp4l0-21swapper/611:43:536
111391210,0ptp4l0-21swapper/610:02:286
111391210,0ptp4l0-21swapper/511:34:055
111391210,0ptp4l0-21swapper/511:06:565
111391210,0ptp4l0-21swapper/510:57:275
111391210,0ptp4l0-21swapper/509:55:545
111391210,0ptp4l0-21swapper/509:49:195
111391210,0ptp4l0-21swapper/509:30:565
111391210,0ptp4l0-21swapper/509:25:055
111391210,0ptp4l0-21swapper/509:03:345
111391210,0ptp4l0-21swapper/411:52:514
111391210,0ptp4l0-21swapper/411:52:504
111391210,0ptp4l0-21swapper/407:40:004
111391210,0ptp4l0-21swapper/212:39:402
111391210,0ptp4l0-21swapper/211:43:302
111391210,0ptp4l0-21swapper/211:22:012
111391210,0ptp4l0-21swapper/210:48:472
111391210,0ptp4l0-21swapper/210:21:132
111391210,0ptp4l0-21swapper/209:46:252
111391210,0ptp4l0-21swapper/209:35:022
111391210,0ptp4l0-21swapper/209:31:142
111391210,0ptp4l0-21swapper/111:22:371
111391210,0ptp4l0-21swapper/107:59:581
111391210,0ptp4l0-21swapper/011:51:100
111391210,0ptp4l0-21swapper/011:51:090
111391210,0ptp4l0-21swapper/008:15:000
266372200,0sleep20-21swapper/210:15:142
111391200,3ptp4l721ktimersoftd/711:42:247
111391200,0ptp4l0-21swapper/612:24:146
111391200,0ptp4l0-21swapper/611:27:156
111391200,0ptp4l0-21swapper/609:46:206
111391200,0ptp4l0-21swapper/511:38:225
111391200,0ptp4l0-21swapper/510:27:435
111391200,0ptp4l0-21swapper/407:35:334
111391200,0ptp4l0-21swapper/212:09:262
111391200,0ptp4l0-21swapper/211:26:162
111391200,0ptp4l0-21swapper/211:04:482
111391200,0ptp4l0-21swapper/209:13:152
111391200,0ptp4l0-21swapper/112:02:041
111391200,0ptp4l0-21swapper/110:26:191
111391200,0ptp4l0-21swapper/008:51:280
111391200,0ptp4l0-21swapper/008:14:270
111391190,0ptp4l0-21swapper/512:14:425
111391190,0ptp4l0-21swapper/212:17:252
111391190,0ptp4l0-21swapper/210:36:002
111391190,0ptp4l0-21swapper/210:02:452
111391190,0ptp4l0-21swapper/008:34:330
111391180,0ptp4l0-21swapper/612:39:386
111391180,0ptp4l0-21swapper/610:48:496
111391180,0ptp4l0-21swapper/610:44:566
111391180,0ptp4l0-21swapper/610:39:206
111391180,0ptp4l0-21swapper/610:21:126
111391180,0ptp4l0-21swapper/609:13:206
111391180,0ptp4l0-21swapper/508:38:285
111391180,0ptp4l0-21swapper/507:22:115
111391180,0ptp4l0-21swapper/211:56:132
111391170,0ptp4l0-21swapper/510:11:085
111391170,0ptp4l0-21swapper/212:33:332
111391170,0ptp4l0-21swapper/212:24:112
111391170,0ptp4l0-21swapper/210:59:482
111391170,0ptp4l0-21swapper/107:29:401
326622160,0sleep30-21swapper/310:23:483
111391160,0ptp4l0-21swapper/611:04:466
111391160,0ptp4l0-21swapper/610:59:476
111391160,0ptp4l0-21swapper/607:46:046
111391160,0ptp4l0-21swapper/512:26:275
111391160,0ptp4l0-21swapper/508:15:145
111391160,0ptp4l0-21swapper/210:53:522
111391160,0ptp4l0-21swapper/112:26:241
111391160,0ptp4l0-21swapper/107:16:381
18751991513,1cyclictest0-21swapper/507:55:225
111391150,0ptp4l0-21swapper/608:46:466
111391150,0ptp4l0-21swapper/608:26:176
111391150,0ptp4l0-21swapper/608:17:306
111391150,0ptp4l0-21swapper/608:08:206
111391150,0ptp4l0-21swapper/608:01:006
111391150,0ptp4l0-21swapper/607:57:306
111391150,0ptp4l0-21swapper/607:25:296
111391150,0ptp4l0-21swapper/508:08:035
111391150,0ptp4l0-21swapper/507:50:375
111391150,0ptp4l0-21swapper/408:31:584
111391150,0ptp4l0-21swapper/212:11:202
111391150,0ptp4l0-21swapper/209:02:262
111391150,0ptp4l0-21swapper/208:17:332
111391150,0ptp4l0-21swapper/208:00:582
111391150,0ptp4l0-21swapper/207:59:102
111391150,0ptp4l0-21swapper/207:46:012
111391150,0ptp4l0-21swapper/207:11:302
111391150,0ptp4l0-21swapper/108:35:431
111391150,0ptp4l0-21swapper/108:10:371
1873799140,4cyclictest0-21swapper/309:52:303
1873799140,13cyclictest0-21swapper/312:39:203
1873799140,13cyclictest0-21swapper/312:13:253
1873799140,13cyclictest0-21swapper/310:41:323
1873799140,13cyclictest0-21swapper/309:21:553
111391140,0ptp4l0-21swapper/612:11:196
111391140,0ptp4l0-21swapper/609:02:256
111391140,0ptp4l0-21swapper/608:13:066
111391140,0ptp4l0-21swapper/607:50:486
111391140,0ptp4l0-21swapper/607:24:106
111391140,0ptp4l0-21swapper/607:15:416
111391140,0ptp4l0-21swapper/208:46:452
111391140,0ptp4l0-21swapper/208:26:162
111391140,0ptp4l0-21swapper/208:13:062
111391140,0ptp4l0-21swapper/208:05:442
111391140,0ptp4l0-21swapper/207:50:462
111391140,0ptp4l0-21swapper/207:24:082
111391140,0ptp4l0-21swapper/207:15:392
1873799130,4cyclictest0-21swapper/309:11:103
1873799130,12cyclictest0-21swapper/311:34:043
1873799130,12cyclictest0-21swapper/311:21:333
1873799130,12cyclictest0-21swapper/309:15:413
1873799130,12cyclictest0-21swapper/309:15:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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