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2026-07-11 - 22:25

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 Sat Jul 11, 2026 12:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391740,11ptp4l0-21swapper/107:05:151
146352660,0sleep00-21swapper/009:30:160
648326333,16sleep70-21swapper/707:10:017
153842630,2sleep7681499cyclictest11:35:127
627926050,6sleep20-21swapper/207:07:222
210092600,1sleep4481ktimersoftd/409:39:034
111391560,5ptp4l0-21swapper/507:06:195
637225342,6sleep40-21swapper/407:08:364
646524735,7sleep60-21swapper/607:09:516
639524735,7sleep00-21swapper/007:08:570
623324736,7sleep30-21swapper/307:06:513
202722470,0sleep4471rcuc/411:40:234
28232430,2sleep4679299cyclictest10:37:184
111391340,0ptp4l0-21swapper/509:17:395
111391330,0ptp4l0-21swapper/010:35:130
111391320,0ptp4l0-21swapper/108:40:171
111391310,1ptp4l0-21swapper/107:55:011
111391310,0ptp4l0-21swapper/109:40:141
111391310,0ptp4l0-21swapper/109:32:391
111391310,0ptp4l0-21swapper/109:19:481
111391310,0ptp4l0-21swapper/010:51:270
111391300,3ptp4l0-21swapper/110:39:171
111391300,0ptp4l0-21swapper/512:18:225
111391300,0ptp4l0-21swapper/511:25:095
111391300,0ptp4l0-21swapper/511:17:165
111391300,0ptp4l0-21swapper/510:34:345
111391300,0ptp4l0-21swapper/510:02:165
111391300,0ptp4l0-21swapper/112:05:211
111391300,0ptp4l0-21swapper/112:04:071
111391300,0ptp4l0-21swapper/111:07:151
111391290,2ptp4l0-21swapper/509:10:155
111391290,2ptp4l0-21swapper/107:25:201
111391290,0ptp4l0-21swapper/512:00:315
111391290,0ptp4l0-21swapper/511:39:155
111391290,0ptp4l0-21swapper/510:08:355
111391290,0ptp4l0-21swapper/509:20:575
111391290,0ptp4l0-21swapper/507:35:165
111391290,0ptp4l0-21swapper/110:31:551
111391290,0ptp4l0-21swapper/110:08:211
111391290,0ptp4l0-21swapper/009:18:560
111391280,1ptp4l0-21swapper/011:54:150
111391280,0ptp4l0-21swapper/512:28:025
111391280,0ptp4l0-21swapper/512:28:015
111391280,0ptp4l0-21swapper/511:22:205
111391280,0ptp4l0-21swapper/510:20:355
111391280,0ptp4l0-21swapper/509:35:295
111391280,0ptp4l0-21swapper/112:37:361
111391280,0ptp4l0-21swapper/112:26:201
111391280,0ptp4l0-21swapper/112:26:191
111391280,0ptp4l0-21swapper/112:16:591
111391280,0ptp4l0-21swapper/111:36:271
111391280,0ptp4l0-21swapper/110:04:251
111391270,3ptp4l241ktimersoftd/111:50:101
111391270,2ptp4l0-21swapper/110:40:361
111391270,0ptp4l10563-21ssh10:47:134
111391270,0ptp4l0-21swapper/511:59:505
111391270,0ptp4l0-21swapper/511:54:105
111391270,0ptp4l0-21swapper/511:48:405
111391270,0ptp4l0-21swapper/510:53:305
111391270,0ptp4l0-21swapper/509:49:535
111391270,0ptp4l0-21swapper/409:32:104
111391270,0ptp4l0-21swapper/111:40:521
111391270,0ptp4l0-21swapper/111:20:131
111391270,0ptp4l0-21swapper/111:11:331
111391270,0ptp4l0-21swapper/111:04:261
111391270,0ptp4l0-21swapper/110:16:141
111391270,0ptp4l0-21swapper/109:37:501
111391270,0ptp4l0-21swapper/108:30:171
111391270,0ptp4l0-21swapper/107:30:221
111391270,0ptp4l0-21swapper/012:11:410
111391260,0ptp4l0-21swapper/512:38:565
111391260,0ptp4l0-21swapper/511:06:485
111391260,0ptp4l0-21swapper/510:17:575
111391260,0ptp4l0-21swapper/509:58:375
111391260,0ptp4l0-21swapper/509:58:375
111391260,0ptp4l0-21swapper/509:43:325
111391260,0ptp4l0-21swapper/508:55:175
111391260,0ptp4l0-21swapper/507:45:155
111391260,0ptp4l0-21swapper/209:53:272
111391260,0ptp4l0-21swapper/209:53:272
111391260,0ptp4l0-21swapper/112:20:501
111391260,0ptp4l0-21swapper/110:50:131
111391260,0ptp4l0-21swapper/110:29:251
111391260,0ptp4l0-21swapper/108:15:201
111391260,0ptp4l0-21swapper/009:27:300
111391250,1ptp4l8178-21missed_timers08:20:165
111391250,1ptp4l23603-21grep08:55:131
111391250,0ptp4l0-21swapper/707:20:207
111391250,0ptp4l0-21swapper/512:22:055
111391250,0ptp4l0-21swapper/512:12:415
111391250,0ptp4l0-21swapper/511:10:195
111391250,0ptp4l0-21swapper/509:51:375
111391250,0ptp4l0-21swapper/509:51:375
111391250,0ptp4l0-21swapper/509:29:485
111391250,0ptp4l0-21swapper/508:30:105
111391250,0ptp4l0-21swapper/508:09:095
111391250,0ptp4l0-21swapper/412:20:234
111391250,0ptp4l0-21swapper/407:42:474
111391250,0ptp4l0-21swapper/112:34:181
111391250,0ptp4l0-21swapper/112:34:181
111391250,0ptp4l0-21swapper/109:49:541
111391250,0ptp4l0-21swapper/109:20:191
111391250,0ptp4l0-21swapper/108:50:111
111391250,0ptp4l0-21swapper/108:05:131
111391250,0ptp4l0-21swapper/107:15:011
111391250,0ptp4l0-21swapper/107:15:001
111391250,0ptp4l0-21swapper/011:55:140
111391250,0ptp4l0-21swapper/007:40:180
111391240,2ptp4l0-21swapper/109:28:581
111391240,1ptp4l29858-21diskmemload12:10:131
111391240,1ptp4l25938-21fw_conntrack09:00:130
111391240,1ptp4l19414-21irqstats08:45:174
111391240,1ptp4l19383-21smartctl11:40:155
111391240,0ptp4l0-21swapper/709:10:227
111391240,0ptp4l0-21swapper/511:04:305
111391240,0ptp4l0-21swapper/510:55:385
111391240,0ptp4l0-21swapper/510:25:165
111391240,0ptp4l0-21swapper/510:10:195
111391240,0ptp4l0-21swapper/509:30:195
111391240,0ptp4l0-21swapper/509:05:175
111391240,0ptp4l0-21swapper/508:50:215
111391240,0ptp4l0-21swapper/508:35:135
111391240,0ptp4l0-21swapper/507:30:225
111391240,0ptp4l0-21swapper/507:12:225
111391240,0ptp4l0-21swapper/507:12:225
111391240,0ptp4l0-21swapper/412:25:194
111391240,0ptp4l0-21swapper/412:25:194
111391240,0ptp4l0-21swapper/111:45:141
111391240,0ptp4l0-21swapper/111:30:131
111391240,0ptp4l0-21swapper/111:15:231
111391240,0ptp4l0-21swapper/110:55:161
111391240,0ptp4l0-21swapper/110:47:081
111391240,0ptp4l0-21swapper/110:12:051
111391240,0ptp4l0-21swapper/109:50:191
111391240,0ptp4l0-21swapper/109:50:191
111391240,0ptp4l0-21swapper/109:15:001
111391240,0ptp4l0-21swapper/108:25:171
111391240,0ptp4l0-21swapper/012:28:180
111391240,0ptp4l0-21swapper/012:28:180
111391240,0ptp4l0-21swapper/010:15:210
111391230,1ptp4l32327-21ssh09:11:190
111391230,1ptp4l31034-21taskset09:10:173
111391230,0ptp4l9733-21cpuspeed_turbos08:25:110
111391230,0ptp4l0-21swapper/512:05:135
111391230,0ptp4l0-21swapper/511:30:145
111391230,0ptp4l0-21swapper/510:45:195
111391230,0ptp4l0-21swapper/510:40:125
111391230,0ptp4l0-21swapper/509:00:155
111391230,0ptp4l0-21swapper/508:47:465
111391230,0ptp4l0-21swapper/508:40:145
111391230,0ptp4l0-21swapper/508:00:135
111391230,0ptp4l0-21swapper/507:55:165
111391230,0ptp4l0-21swapper/507:50:195
111391230,0ptp4l0-21swapper/507:40:205
111391230,0ptp4l0-21swapper/507:25:185
111391230,0ptp4l0-21swapper/507:21:415
111391230,0ptp4l0-21swapper/507:15:175
111391230,0ptp4l0-21swapper/507:15:175
111391230,0ptp4l0-21swapper/412:11:414
111391230,0ptp4l0-21swapper/411:25:114
111391230,0ptp4l0-21swapper/411:06:404
111391230,0ptp4l0-21swapper/410:50:204
111391230,0ptp4l0-21swapper/307:20:133
111391230,0ptp4l0-21swapper/111:55:141
111391230,0ptp4l0-21swapper/111:25:171
111391230,0ptp4l0-21swapper/110:21:041
111391230,0ptp4l0-21swapper/109:55:201
111391230,0ptp4l0-21swapper/109:55:201
111391230,0ptp4l0-21swapper/108:45:211
111391230,0ptp4l0-21swapper/108:39:221
111391230,0ptp4l0-21swapper/108:20:181
111391230,0ptp4l0-21swapper/108:10:211
111391230,0ptp4l0-21swapper/108:00:171
111391230,0ptp4l0-21swapper/107:55:131
111391230,0ptp4l0-21swapper/107:45:181
111391230,0ptp4l0-21swapper/107:40:131
111391230,0ptp4l0-21swapper/107:15:141
111391230,0ptp4l0-21swapper/107:15:141
111391230,0ptp4l0-21swapper/012:20:210
111391230,0ptp4l0-21swapper/011:23:110
111391230,0ptp4l0-21swapper/011:17:350
111391230,0ptp4l0-21swapper/010:21:430
111391230,0ptp4l0-21swapper/010:10:220
111391230,0ptp4l0-21swapper/010:09:350
111391230,0ptp4l0-21swapper/009:50:210
111391230,0ptp4l0-21swapper/009:50:210
111391230,0ptp4l0-21swapper/008:20:200
111391230,0ptp4l0-21swapper/007:30:130
111391220,1ptp4l20914-21crond07:40:004
111391220,0ptp4l1737-21ssh11:17:124
111391220,0ptp4l0-21swapper/611:14:076
111391220,0ptp4l0-21swapper/610:47:406
111391220,0ptp4l0-21swapper/512:30:155
111391220,0ptp4l0-21swapper/512:30:145
111391220,0ptp4l0-21swapper/510:36:125
111391220,0ptp4l0-21swapper/508:25:165
111391220,0ptp4l0-21swapper/508:15:115
111391220,0ptp4l0-21swapper/508:10:165
111391220,0ptp4l0-21swapper/412:34:044
111391220,0ptp4l0-21swapper/412:34:034
111391220,0ptp4l0-21swapper/411:55:134
111391220,0ptp4l0-21swapper/411:46:394
111391220,0ptp4l0-21swapper/411:35:354
111391220,0ptp4l0-21swapper/411:32:014
111391220,0ptp4l0-21swapper/411:20:164
111391220,0ptp4l0-21swapper/411:00:314
111391220,0ptp4l0-21swapper/410:41:124
111391220,0ptp4l0-21swapper/410:31:094
111391220,0ptp4l0-21swapper/410:27:034
111391220,0ptp4l0-21swapper/410:21:224
111391220,0ptp4l0-21swapper/409:52:124
111391220,0ptp4l0-21swapper/409:52:114
111391220,0ptp4l0-21swapper/409:45:014
111391220,0ptp4l0-21swapper/409:44:174
111391220,0ptp4l0-21swapper/409:06:084
111391220,0ptp4l0-21swapper/408:20:014
111391220,0ptp4l0-21swapper/408:15:154
111391220,0ptp4l0-21swapper/407:30:144
111391220,0ptp4l0-21swapper/210:56:202
111391220,0ptp4l0-21swapper/109:05:001
111391220,0ptp4l0-21swapper/107:35:191
111391220,0ptp4l0-21swapper/012:34:510
111391220,0ptp4l0-21swapper/012:34:500
111391220,0ptp4l0-21swapper/012:16:510
111391220,0ptp4l0-21swapper/012:08:030
111391220,0ptp4l0-21swapper/012:00:160
111391220,0ptp4l0-21swapper/011:45:200
111391220,0ptp4l0-21swapper/011:30:410
111391220,0ptp4l0-21swapper/011:25:180
111391220,0ptp4l0-21swapper/011:14:030
111391220,0ptp4l0-21swapper/011:08:280
111391220,0ptp4l0-21swapper/011:02:330
111391220,0ptp4l0-21swapper/010:44:080
111391220,0ptp4l0-21swapper/010:30:170
111391220,0ptp4l0-21swapper/010:01:150
111391220,0ptp4l0-21swapper/009:55:500
111391220,0ptp4l0-21swapper/009:55:490
111391220,0ptp4l0-21swapper/009:44:170
111391220,0ptp4l0-21swapper/009:36:050
111391220,0ptp4l0-21swapper/007:15:210
111391220,0ptp4l0-21swapper/007:15:210
111391210,0ptp4l0-21swapper/711:21:177
111391210,0ptp4l0-21swapper/612:34:066
111391210,0ptp4l0-21swapper/612:34:066
111391210,0ptp4l0-21swapper/611:56:536
111391210,0ptp4l0-21swapper/610:56:226
111391210,0ptp4l0-21swapper/610:01:006
111391210,0ptp4l0-21swapper/609:52:076
111391210,0ptp4l0-21swapper/609:52:066
111391210,0ptp4l0-21swapper/609:31:516
111391210,0ptp4l0-21swapper/412:15:194
111391210,0ptp4l0-21swapper/412:00:184
111391210,0ptp4l0-21swapper/410:15:014
111391210,0ptp4l0-21swapper/410:13:494
111391210,0ptp4l0-21swapper/410:01:014
111391210,0ptp4l0-21swapper/409:26:344
111391210,0ptp4l0-21swapper/409:19:034
111391210,0ptp4l0-21swapper/409:11:204
111391210,0ptp4l0-21swapper/212:26:272
111391210,0ptp4l0-21swapper/212:26:262
111391210,0ptp4l0-21swapper/210:47:392
111391210,0ptp4l0-21swapper/107:22:091
111391210,0ptp4l0-21swapper/009:22:250
111391210,0ptp4l0-21swapper/008:15:150
111391200,0ptp4l0-21swapper/412:35:184
111391200,0ptp4l0-21swapper/412:06:574
111391200,0ptp4l0-21swapper/411:51:214
111391200,0ptp4l0-21swapper/410:59:584
111391200,0ptp4l0-21swapper/410:06:504
111391200,0ptp4l0-21swapper/409:59:274
111391200,0ptp4l0-21swapper/409:59:274
111391200,0ptp4l0-21swapper/409:21:174
111391200,0ptp4l0-21swapper/212:34:062
111391200,0ptp4l0-21swapper/212:34:052
111391200,0ptp4l0-21swapper/211:14:122
111391200,0ptp4l0-21swapper/209:31:462
111391200,0ptp4l0-21swapper/109:00:131
111391200,0ptp4l0-21swapper/012:37:490
111391200,0ptp4l0-21swapper/011:40:080
111391200,0ptp4l0-21swapper/011:35:250
111391200,0ptp4l0-21swapper/010:56:030
111391200,0ptp4l0-21swapper/010:47:490
111391200,0ptp4l0-21swapper/009:45:020
111391200,0ptp4l0-21swapper/008:45:170
111391190,0ptp4l0-21swapper/610:31:236
111391190,0ptp4l0-21swapper/408:25:124
111391190,0ptp4l0-21swapper/008:00:090
111391180,0ptp4l0-21swapper/612:26:306
111391180,0ptp4l0-21swapper/612:26:296
111391180,0ptp4l0-21swapper/611:43:126
111391180,0ptp4l0-21swapper/411:11:054
111391180,0ptp4l0-21swapper/409:02:454
111391180,0ptp4l0-21swapper/408:40:174
111391180,0ptp4l0-21swapper/209:12:422
111391180,0ptp4l0-21swapper/010:25:530
111391180,0ptp4l0-21swapper/009:05:140
111391180,0ptp4l0-21swapper/008:13:550
111391170,2ptp4l0-21swapper/007:20:290
6787991611,4cyclictest21400-21munin-run09:40:003
678799160,15cyclictest0-21swapper/311:01:083
138192160,0sleep20-21swapper/208:35:002
111391160,0ptp4l0-21swapper/709:06:147
111391160,0ptp4l0-21swapper/407:55:244
111391160,0ptp4l0-21swapper/407:45:474
111391160,0ptp4l0-21swapper/407:15:214
111391160,0ptp4l0-21swapper/407:15:214
111391160,0ptp4l0-21swapper/211:56:492
111391160,0ptp4l0-21swapper/210:31:222
111391160,0ptp4l0-21swapper/008:55:130
111391160,0ptp4l0-21swapper/008:05:430
111391160,0ptp4l0-21swapper/007:27:080
6807991513,1cyclictest0-21swapper/610:05:206
678799150,1cyclictest0-21swapper/311:35:143
678799150,14cyclictest0-21swapper/312:24:393
678799150,14cyclictest0-21swapper/310:57:223
6779991512,2cyclictest2313-21munin-run08:10:002
111391150,0ptp4l0-21swapper/708:50:437
111391150,0ptp4l0-21swapper/609:12:436
111391150,0ptp4l0-21swapper/607:52:416
111391150,0ptp4l0-21swapper/408:55:064
111391150,0ptp4l0-21swapper/408:51:074
111391150,0ptp4l0-21swapper/408:36:174
111391150,0ptp4l0-21swapper/408:34:424
111391150,0ptp4l0-21swapper/408:13:524
111391150,0ptp4l0-21swapper/408:05:544
111391150,0ptp4l0-21swapper/408:04:554
111391150,0ptp4l0-21swapper/407:50:074
111391150,0ptp4l0-21swapper/407:27:084
111391150,0ptp4l0-21swapper/407:21:314
111391150,0ptp4l0-21swapper/407:10:324
111391150,0ptp4l0-21swapper/407:10:324
111391150,0ptp4l0-21swapper/309:06:143
111391150,0ptp4l0-21swapper/308:50:423
111391150,0ptp4l0-21swapper/211:26:412
111391150,0ptp4l0-21swapper/210:38:132
111391150,0ptp4l0-21swapper/207:52:392
111391150,0ptp4l0-21swapper/008:51:090
111391150,0ptp4l0-21swapper/008:41:460
111391150,0ptp4l0-21swapper/008:36:120
111391150,0ptp4l0-21swapper/008:31:430
111391150,0ptp4l0-21swapper/007:55:240
111391150,0ptp4l0-21swapper/007:51:100
111391150,0ptp4l0-21swapper/007:45:470
111391150,0ptp4l0-21swapper/007:35:450
111391150,0ptp4l0-21swapper/007:11:570
111391150,0ptp4l0-21swapper/007:11:570
678799142,7cyclictest30976-21sendmail_mailst09:50:193
678799142,7cyclictest30976-21sendmail_mailst09:50:193
678799140,13cyclictest0-21swapper/310:04:573
111391140,0ptp4l0-21swapper/307:30:253
111391140,0ptp4l0-21swapper/210:01:002
680799130,1cyclictest0-21swapper/609:45:186
678799130,3cyclictest0-21swapper/311:51:593
678799130,12cyclictest0-21swapper/312:16:223
678799130,12cyclictest0-21swapper/312:03:573
678799130,12cyclictest0-21swapper/310:33:253
678799130,12cyclictest0-21swapper/309:30:523
680799120,1cyclictest0-21swapper/611:30:126
678799129,2cyclictest0-21swapper/312:36:183
678799120,11cyclictest0-21swapper/311:14:543
678799120,11cyclictest0-21swapper/310:52:273
678799120,11cyclictest0-21swapper/308:00:163
680799119,1cyclictest0-21swapper/609:18:316
680799110,10cyclictest0-21swapper/610:21:036
680799110,10cyclictest0-21swapper/609:25:166
678799118,2cyclictest0-21swapper/311:40:033
678799110,7cyclictest0-21swapper/311:55:143
678799110,1cyclictest0-21swapper/312:05:213
678799110,10cyclictest0-21swapper/309:22:003
678799110,10cyclictest0-21swapper/308:15:223
677999119,1cyclictest9880-21diskstats08:25:122
681499109,0cyclictest0-21swapper/711:48:377
681499109,0cyclictest0-21swapper/711:09:487
681499100,9cyclictest0-21swapper/712:04:477
681499100,9cyclictest0-21swapper/711:19:337
681499100,9cyclictest0-21swapper/710:31:267
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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