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2026-05-06 - 02:48

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 May 05, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391850,36ptp4l0-21swapper/207:05:182
111391620,31ptp4l0-21swapper/107:06:131
111391620,30ptp4l0-21swapper/007:05:540
111391580,5ptp4l0-21swapper/407:07:314
54332550,0sleep70-21swapper/710:55:107
506825241,7sleep70-21swapper/707:08:047
1881915037,7phc2sys0-21swapper/607:05:016
518824736,7sleep30-21swapper/307:09:363
502224634,7sleep50-21swapper/507:07:295
111391330,0ptp4l0-21swapper/412:05:164
111391320,0ptp4l0-21swapper/510:45:125
111391320,0ptp4l0-21swapper/508:25:135
111391320,0ptp4l0-21swapper/409:44:344
111391320,0ptp4l0-21swapper/409:44:334
111391320,0ptp4l0-21swapper/112:30:121
111391320,0ptp4l0-21swapper/110:19:351
111391310,1ptp4l0-21swapper/112:20:121
111391310,0ptp4l0-21swapper/511:05:195
111391310,0ptp4l0-21swapper/412:34:124
111391310,0ptp4l0-21swapper/009:47:530
111391300,2ptp4l0-21swapper/511:25:155
111391300,2ptp4l0-21swapper/511:17:155
111391300,0ptp4l0-21swapper/511:39:355
111391300,0ptp4l0-21swapper/509:16:235
111391300,0ptp4l0-21swapper/011:19:030
111391290,3ptp4l0-21swapper/109:56:371
111391290,0ptp4l28600-21diskmemload11:56:141
111391290,0ptp4l0-21swapper/512:12:345
111391290,0ptp4l0-21swapper/512:12:345
111391290,0ptp4l0-21swapper/510:52:185
111391290,0ptp4l0-21swapper/510:06:265
111391290,0ptp4l0-21swapper/509:32:205
111391290,0ptp4l0-21swapper/509:10:185
111391290,0ptp4l0-21swapper/411:20:124
111391290,0ptp4l0-21swapper/212:08:132
111391290,0ptp4l0-21swapper/112:38:501
111391290,0ptp4l0-21swapper/111:04:461
111391290,0ptp4l0-21swapper/108:11:261
111391280,0ptp4l0-21swapper/510:57:285
111391280,0ptp4l0-21swapper/509:27:185
111391280,0ptp4l0-21swapper/411:19:004
111391280,0ptp4l0-21swapper/410:08:524
111391280,0ptp4l0-21swapper/111:32:451
111391280,0ptp4l0-21swapper/109:49:161
111391280,0ptp4l0-21swapper/109:10:411
111391280,0ptp4l0-21swapper/012:33:080
111391280,0ptp4l0-21swapper/012:04:020
111391280,0ptp4l0-21swapper/011:32:380
111391270,1ptp4l9821-21irqstats11:00:154
111391270,0ptp4l0-21swapper/512:18:235
111391270,0ptp4l0-21swapper/512:18:235
111391270,0ptp4l0-21swapper/511:13:105
111391270,0ptp4l0-21swapper/509:22:175
111391270,0ptp4l0-21swapper/412:16:224
111391270,0ptp4l0-21swapper/412:16:214
111391270,0ptp4l0-21swapper/411:54:484
111391270,0ptp4l0-21swapper/409:13:144
111391270,0ptp4l0-21swapper/112:14:201
111391270,0ptp4l0-21swapper/112:14:201
111391270,0ptp4l0-21swapper/111:17:071
111391270,0ptp4l0-21swapper/110:35:541
111391270,0ptp4l0-21swapper/110:10:031
111391270,0ptp4l0-21swapper/109:16:541
111391270,0ptp4l0-21swapper/012:27:420
111391270,0ptp4l0-21swapper/012:17:520
111391270,0ptp4l0-21swapper/012:17:510
111391270,0ptp4l0-21swapper/009:41:250
111391270,0ptp4l0-21swapper/009:41:240
111391270,0ptp4l0-21swapper/009:19:040
111391270,0ptp4l0-21swapper/009:00:170
111391260,3ptp4l0-21swapper/107:10:131
111391260,0ptp4l0-21swapper/612:12:196
111391260,0ptp4l0-21swapper/612:12:186
111391260,0ptp4l0-21swapper/512:21:435
111391260,0ptp4l0-21swapper/411:45:184
111391260,0ptp4l0-21swapper/410:23:024
111391260,0ptp4l0-21swapper/409:32:544
111391260,0ptp4l0-21swapper/111:13:551
111391260,0ptp4l0-21swapper/110:55:171
111391260,0ptp4l0-21swapper/110:46:141
111391260,0ptp4l0-21swapper/110:41:301
111391260,0ptp4l0-21swapper/108:59:511
111391260,0ptp4l0-21swapper/107:20:151
111391260,0ptp4l0-21swapper/012:21:250
111391260,0ptp4l0-21swapper/011:54:250
111391260,0ptp4l0-21swapper/011:49:260
111391260,0ptp4l0-21swapper/010:57:090
111391260,0ptp4l0-21swapper/010:50:180
111391260,0ptp4l0-21swapper/010:25:170
111391260,0ptp4l0-21swapper/010:16:080
111391260,0ptp4l0-21swapper/007:35:130
5519992521,0cyclictest0-21swapper/512:06:005
111391250,2ptp4l0-21swapper/110:52:291
111391250,1ptp4l8876-21fw_forwarded_lo07:15:141
111391250,1ptp4l29562-21users09:55:210
111391250,0ptp4l0-21swapper/511:32:535
111391250,0ptp4l0-21swapper/511:24:595
111391250,0ptp4l0-21swapper/509:49:185
111391250,0ptp4l0-21swapper/508:30:125
111391250,0ptp4l0-21swapper/508:15:135
111391250,0ptp4l0-21swapper/507:30:155
111391250,0ptp4l0-21swapper/507:20:015
111391250,0ptp4l0-21swapper/412:27:424
111391250,0ptp4l0-21swapper/411:55:154
111391250,0ptp4l0-21swapper/410:57:354
111391250,0ptp4l0-21swapper/410:49:204
111391250,0ptp4l0-21swapper/409:55:134
111391250,0ptp4l0-21swapper/409:48:494
111391250,0ptp4l0-21swapper/409:00:124
111391250,0ptp4l0-21swapper/408:55:164
111391250,0ptp4l0-21swapper/112:19:501
111391250,0ptp4l0-21swapper/112:19:491
111391250,0ptp4l0-21swapper/111:35:191
111391250,0ptp4l0-21swapper/111:27:051
111391250,0ptp4l0-21swapper/108:07:231
111391250,0ptp4l0-21swapper/008:05:210
5519992420,0cyclictest0-21swapper/511:51:525
5519992416,4cyclictest0-21swapper/512:01:595
111391240,1ptp4l7062-21hddtemp_smartct11:40:135
111391240,1ptp4l26987-21cpu07:55:135
111391240,1ptp4l24476-21date07:50:005
111391240,1ptp4l21567-21users07:40:180
111391240,1ptp4l15694-21/usr/sbin/munin08:40:165
111391240,1ptp4l11765-21df_inode10:20:105
111391240,0ptp4l0-21swapper/712:20:487
111391240,0ptp4l0-21swapper/709:49:507
111391240,0ptp4l0-21swapper/510:00:075
111391240,0ptp4l0-21swapper/509:05:215
111391240,0ptp4l0-21swapper/507:20:125
111391240,0ptp4l0-21swapper/412:00:154
111391240,0ptp4l0-21swapper/411:06:594
111391240,0ptp4l0-21swapper/409:39:404
111391240,0ptp4l0-21swapper/409:39:394
111391240,0ptp4l0-21swapper/407:35:124
111391240,0ptp4l0-21swapper/207:50:162
111391240,0ptp4l0-21swapper/110:27:321
111391240,0ptp4l0-21swapper/110:03:231
111391240,0ptp4l0-21swapper/109:05:151
111391240,0ptp4l0-21swapper/108:29:591
111391240,0ptp4l0-21swapper/012:40:000
111391240,0ptp4l0-21swapper/011:35:060
111391240,0ptp4l0-21swapper/011:10:390
111391240,0ptp4l0-21swapper/011:00:150
111391240,0ptp4l0-21swapper/010:05:170
111391240,0ptp4l0-21swapper/010:03:540
111391240,0ptp4l0-21swapper/009:36:240
111391240,0ptp4l0-21swapper/009:36:230
111391240,0ptp4l0-21swapper/009:32:280
111391240,0ptp4l0-21swapper/008:45:000
111391240,0ptp4l0-21swapper/008:35:020
111391240,0ptp4l0-21swapper/007:50:160
111391230,3ptp4l22449-21kworker/0:111:09:090
111391230,1ptp4l27293-21sh09:54:240
111391230,0ptp4l0-21swapper/512:35:165
111391230,0ptp4l0-21swapper/511:58:545
111391230,0ptp4l0-21swapper/511:47:525
111391230,0ptp4l0-21swapper/511:00:215
111391230,0ptp4l0-21swapper/510:36:065
111391230,0ptp4l0-21swapper/510:34:595
111391230,0ptp4l0-21swapper/510:27:175
111391230,0ptp4l0-21swapper/509:43:465
111391230,0ptp4l0-21swapper/509:43:455
111391230,0ptp4l0-21swapper/508:35:105
111391230,0ptp4l0-21swapper/507:50:215
111391230,0ptp4l0-21swapper/507:10:145
111391230,0ptp4l0-21swapper/412:39:294
111391230,0ptp4l0-21swapper/412:23:164
111391230,0ptp4l0-21swapper/412:10:134
111391230,0ptp4l0-21swapper/412:10:134
111391230,0ptp4l0-21swapper/411:35:104
111391230,0ptp4l0-21swapper/411:30:084
111391230,0ptp4l0-21swapper/410:30:104
111391230,0ptp4l0-21swapper/410:25:204
111391230,0ptp4l0-21swapper/410:15:154
111391230,0ptp4l0-21swapper/409:51:034
111391230,0ptp4l0-21swapper/409:25:014
111391230,0ptp4l0-21swapper/409:20:214
111391230,0ptp4l0-21swapper/409:15:204
111391230,0ptp4l0-21swapper/408:50:134
111391230,0ptp4l0-21swapper/408:45:194
111391230,0ptp4l0-21swapper/408:40:214
111391230,0ptp4l0-21swapper/408:20:194
111391230,0ptp4l0-21swapper/408:15:154
111391230,0ptp4l0-21swapper/408:05:144
111391230,0ptp4l0-21swapper/408:00:114
111391230,0ptp4l0-21swapper/408:00:004
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/112:05:171
111391230,0ptp4l0-21swapper/111:40:591
111391230,0ptp4l0-21swapper/111:20:181
111391230,0ptp4l0-21swapper/110:20:111
111391230,0ptp4l0-21swapper/109:40:331
111391230,0ptp4l0-21swapper/109:40:321
111391230,0ptp4l0-21swapper/109:40:011
111391230,0ptp4l0-21swapper/109:40:011
111391230,0ptp4l0-21swapper/109:20:211
111391230,0ptp4l0-21swapper/108:40:161
111391230,0ptp4l0-21swapper/108:35:171
111391230,0ptp4l0-21swapper/108:30:201
111391230,0ptp4l0-21swapper/107:55:161
111391230,0ptp4l0-21swapper/107:45:131
111391230,0ptp4l0-21swapper/107:30:121
111391230,0ptp4l0-21swapper/107:25:151
111391230,0ptp4l0-21swapper/012:10:130
111391230,0ptp4l0-21swapper/012:10:120
111391230,0ptp4l0-21swapper/012:05:110
111391230,0ptp4l0-21swapper/011:41:420
111391230,0ptp4l0-21swapper/011:29:130
111391230,0ptp4l0-21swapper/011:20:110
111391230,0ptp4l0-21swapper/010:35:170
111391230,0ptp4l0-21swapper/010:31:540
111391230,0ptp4l0-21swapper/010:10:110
111391230,0ptp4l0-21swapper/009:29:380
111391230,0ptp4l0-21swapper/009:24:070
111391230,0ptp4l0-21swapper/009:10:130
111391230,0ptp4l0-21swapper/008:55:140
111391230,0ptp4l0-21swapper/008:20:120
111391230,0ptp4l0-21swapper/008:00:280
111391230,0ptp4l0-21swapper/007:35:010
111391230,0ptp4l0-21swapper/007:10:120
132742220,0sleep70-21swapper/711:05:117
111391220,3ptp4l0-21swapper/008:10:060
111391220,1ptp4l25095-21if_virbr007:50:146
111391220,0ptp4l0-21swapper/611:44:336
111391220,0ptp4l0-21swapper/610:21:516
111391220,0ptp4l0-21swapper/512:29:365
111391220,0ptp4l0-21swapper/510:40:125
111391220,0ptp4l0-21swapper/510:13:115
111391220,0ptp4l0-21swapper/509:56:115
111391220,0ptp4l0-21swapper/509:50:335
111391220,0ptp4l0-21swapper/509:39:095
111391220,0ptp4l0-21swapper/509:39:085
111391220,0ptp4l0-21swapper/508:54:365
111391220,0ptp4l0-21swapper/411:43:094
111391220,0ptp4l0-21swapper/411:25:194
111391220,0ptp4l0-21swapper/411:10:214
111391220,0ptp4l0-21swapper/410:50:164
111391220,0ptp4l0-21swapper/410:44:514
111391220,0ptp4l0-21swapper/410:35:114
111391220,0ptp4l0-21swapper/410:11:224
111391220,0ptp4l0-21swapper/410:01:374
111391220,0ptp4l0-21swapper/408:10:134
111391220,0ptp4l0-21swapper/407:40:114
111391220,0ptp4l0-21swapper/407:30:254
111391220,0ptp4l0-21swapper/212:12:182
111391220,0ptp4l0-21swapper/212:12:172
111391220,0ptp4l0-21swapper/211:44:322
111391220,0ptp4l0-21swapper/112:29:221
111391220,0ptp4l0-21swapper/112:00:101
111391220,0ptp4l0-21swapper/111:46:501
111391220,0ptp4l0-21swapper/111:05:181
111391220,0ptp4l0-21swapper/109:50:061
111391220,0ptp4l0-21swapper/109:30:511
111391220,0ptp4l0-21swapper/109:25:161
111391220,0ptp4l0-21swapper/107:42:371
111391220,0ptp4l0-21swapper/011:55:140
111391220,0ptp4l0-21swapper/010:45:470
111391220,0ptp4l0-21swapper/010:41:530
111391220,0ptp4l0-21swapper/010:20:440
111391220,0ptp4l0-21swapper/008:50:120
111391220,0ptp4l0-21swapper/008:48:050
111391220,0ptp4l0-21swapper/008:15:170
111391220,0ptp4l0-21swapper/007:45:180
111391220,0ptp4l0-21swapper/007:20:210
111391210,0ptp4l0-21swapper/712:01:107
111391210,0ptp4l0-21swapper/707:38:307
111391210,0ptp4l0-21swapper/612:08:216
111391210,0ptp4l0-21swapper/512:30:165
111391210,0ptp4l0-21swapper/507:25:195
111391210,0ptp4l0-21swapper/407:52:254
111391210,0ptp4l0-21swapper/407:21:344
111391210,0ptp4l0-21swapper/312:23:473
111391210,0ptp4l0-21swapper/210:24:092
111391210,0ptp4l0-21swapper/111:53:421
111391210,0ptp4l0-21swapper/110:31:311
111391210,0ptp4l0-21swapper/110:06:051
111391210,0ptp4l0-21swapper/008:25:490
111391200,0ptp4l0-21swapper/710:26:017
111391200,0ptp4l0-21swapper/709:35:247
111391200,0ptp4l0-21swapper/709:35:237
111391200,0ptp4l0-21swapper/610:10:486
111391200,0ptp4l0-21swapper/607:20:596
111391200,0ptp4l0-21swapper/510:19:525
111391200,0ptp4l0-21swapper/509:03:255
111391200,0ptp4l0-21swapper/508:59:275
111391200,0ptp4l0-21swapper/508:12:505
111391200,0ptp4l0-21swapper/508:07:525
111391200,0ptp4l0-21swapper/508:04:025
111391200,0ptp4l0-21swapper/408:28:534
111391200,0ptp4l0-21swapper/407:26:494
111391200,0ptp4l0-21swapper/212:27:492
111391200,0ptp4l0-21swapper/210:25:262
111391200,0ptp4l0-21swapper/210:10:512
111391200,0ptp4l0-21swapper/210:07:052
111391200,0ptp4l0-21swapper/107:35:491
111391200,0ptp4l0-21swapper/007:27:490
111391190,2ptp4l0-21swapper/108:52:081
111391190,0ptp4l0-21swapper/612:39:506
111391190,0ptp4l0-21swapper/611:08:006
111391190,0ptp4l0-21swapper/607:40:496
111391190,0ptp4l0-21swapper/312:01:103
111391190,0ptp4l0-21swapper/310:12:113
111391190,0ptp4l0-21swapper/309:49:523
111391190,0ptp4l0-21swapper/309:35:223
111391190,0ptp4l0-21swapper/309:35:223
111391190,0ptp4l0-21swapper/208:57:222
111391190,0ptp4l0-21swapper/109:02:511
111391190,0ptp4l0-21swapper/108:15:121
111391190,0ptp4l0-21swapper/007:58:150
111391190,0ptp4l0-21swapper/007:18:410
111391180,0ptp4l0-21swapper/610:52:366
111391180,0ptp4l0-21swapper/408:34:554
111391170,0ptp4l0-21swapper/409:06:584
111391170,0ptp4l0-21swapper/212:39:512
111391170,0ptp4l0-21swapper/207:20:572
111391170,0ptp4l0-21swapper/108:24:591
111391170,0ptp4l0-21swapper/107:50:191
111391160,0ptp4l0-21swapper/408:37:154
111391160,0ptp4l0-21swapper/407:13:004
111391160,0ptp4l0-21swapper/309:24:493
111391160,0ptp4l0-21swapper/108:02:201
111391160,0ptp4l0-21swapper/009:09:260
111391160,0ptp4l0-21swapper/008:32:140
111391150,0ptp4l0-21swapper/707:51:437
111391150,0ptp4l0-21swapper/608:57:236
111391150,0ptp4l0-21swapper/608:22:156
111391150,0ptp4l0-21swapper/607:58:396
111391150,0ptp4l0-21swapper/607:38:506
111391150,0ptp4l0-21swapper/607:27:026
111391150,0ptp4l0-21swapper/508:48:045
111391150,0ptp4l0-21swapper/507:42:305
111391150,0ptp4l0-21swapper/507:35:515
111391150,0ptp4l0-21swapper/407:15:344
111391150,0ptp4l0-21swapper/310:25:553
111391150,0ptp4l0-21swapper/307:38:253
111391150,0ptp4l0-21swapper/208:22:122
111391150,0ptp4l0-21swapper/207:58:422
111391150,0ptp4l0-21swapper/207:40:072
111391150,0ptp4l0-21swapper/207:38:502
111391150,0ptp4l0-21swapper/207:27:072
111391150,0ptp4l0-21swapper/207:15:422
111391150,0ptp4l0-21swapper/108:48:051
111391140,0ptp4l0-21swapper/707:55:457
111391140,0ptp4l0-21swapper/607:11:556
111391140,0ptp4l0-21swapper/309:10:553
111391140,0ptp4l0-21swapper/307:55:443
111391140,0ptp4l0-21swapper/307:51:433
111391140,0ptp4l0-21swapper/211:07:592
111391140,0ptp4l0-21swapper/207:47:112
111391140,0ptp4l0-21swapper/207:11:512
552699119,1cyclictest4939-21munin-run10:10:006
552699110,1cyclictest16485-21timerandwakeup08:40:216
550699110,10cyclictest0-21swapper/310:22:193
550699110,10cyclictest0-21swapper/310:03:193
549899110,10cyclictest0-21swapper/211:55:552
553499109,0cyclictest0-21swapper/711:45:197
553499100,9cyclictest0-21swapper/712:10:197
553499100,9cyclictest0-21swapper/712:10:187
552699109,0cyclictest0-21swapper/612:30:166
552699100,9cyclictest0-21swapper/611:13:536
552699100,9cyclictest0-21swapper/609:58:456
552699100,9cyclictest0-21swapper/609:51:236
552699100,9cyclictest0-21swapper/609:38:306
552699100,9cyclictest0-21swapper/609:38:296
552699100,9cyclictest0-21swapper/609:18:236
552699100,0cyclictest0-21swapper/610:47:296
552699100,0cyclictest0-21swapper/608:25:166
550699109,0cyclictest0-21swapper/312:26:373
550699109,0cyclictest0-21swapper/311:34:473
550699109,0cyclictest0-21swapper/310:35:123
550699100,9cyclictest0-21swapper/311:50:113
550699100,9cyclictest0-21swapper/310:49:593
550699100,9cyclictest0-21swapper/310:42:463
550699100,0cyclictest0-21swapper/309:29:313
550699100,0cyclictest0-21swapper/309:16:103
549899109,0cyclictest0-21swapper/211:02:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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