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2026-09-08 - 20:36

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 Sep 08, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391750,33ptp4l0-21swapper/007:05:160
111391670,30ptp4l0-21swapper/107:05:131
111391620,5ptp4l0-21swapper/407:07:344
240552600,0sleep00-21swapper/010:55:200
49362590,0sleep00-21swapper/010:29:480
1881915847,7phc2sys0-21swapper/207:06:412
2234725443,6sleep70-21swapper/707:08:447
2216825432,7sleep50-21swapper/507:06:335
2209624735,7sleep60-21swapper/607:05:396
2216624634,7sleep30-21swapper/307:06:323
220582460,0sleep40-21swapper/410:05:574
111391350,4ptp4l1061-21snmpd09:22:240
111391350,0ptp4l0-21swapper/012:00:150
111391330,0ptp4l0-21swapper/412:30:464
111391320,0ptp4l0-21swapper/409:35:224
111391320,0ptp4l0-21swapper/011:32:430
111391320,0ptp4l0-21swapper/009:40:160
111391310,0ptp4l0-21swapper/509:14:095
111391310,0ptp4l0-21swapper/012:26:160
111391310,0ptp4l0-21swapper/011:59:490
111391300,2ptp4l0-21swapper/410:45:484
111391300,0ptp4l0-21swapper/510:25:275
111391300,0ptp4l0-21swapper/509:22:105
111391300,0ptp4l0-21swapper/011:39:350
111391300,0ptp4l0-21swapper/009:25:180
111391290,0ptp4l0-21swapper/510:04:335
111391290,0ptp4l0-21swapper/412:28:484
111391290,0ptp4l0-21swapper/411:58:134
111391290,0ptp4l0-21swapper/411:23:344
111391290,0ptp4l0-21swapper/012:39:340
111391280,0ptp4l0-21swapper/412:12:004
111391280,0ptp4l0-21swapper/410:00:534
111391280,0ptp4l0-21swapper/012:22:010
111391280,0ptp4l0-21swapper/011:52:230
111391280,0ptp4l0-21swapper/011:52:230
111391280,0ptp4l0-21swapper/010:05:330
111391280,0ptp4l0-21swapper/007:25:170
111391270,1ptp4l9-21ksoftirqd/010:35:220
111391270,1ptp4l27516-21sh11:48:030
111391270,0ptp4l0-21swapper/511:18:335
111391270,0ptp4l0-21swapper/510:22:225
111391270,0ptp4l0-21swapper/411:48:494
111391270,0ptp4l0-21swapper/411:37:064
111391270,0ptp4l0-21swapper/411:34:114
111391270,0ptp4l0-21swapper/411:27:424
111391270,0ptp4l0-21swapper/410:28:574
111391270,0ptp4l0-21swapper/409:53:414
111391270,0ptp4l0-21swapper/409:48:254
111391270,0ptp4l0-21swapper/012:30:210
111391270,0ptp4l0-21swapper/010:18:460
111391270,0ptp4l0-21swapper/009:31:020
111391260,0ptp4l0-21swapper/710:06:437
111391260,0ptp4l0-21swapper/707:58:177
111391260,0ptp4l0-21swapper/509:52:195
111391260,0ptp4l0-21swapper/411:54:524
111391260,0ptp4l0-21swapper/411:54:514
111391260,0ptp4l0-21swapper/411:13:434
111391260,0ptp4l0-21swapper/410:30:154
111391260,0ptp4l0-21swapper/410:12:504
111391260,0ptp4l0-21swapper/409:22:504
111391260,0ptp4l0-21swapper/311:34:353
111391260,0ptp4l0-21swapper/111:06:531
111391260,0ptp4l0-21swapper/011:15:480
111391260,0ptp4l0-21swapper/011:11:400
111391260,0ptp4l0-21swapper/011:09:480
111391260,0ptp4l0-21swapper/010:33:130
111391260,0ptp4l0-21swapper/009:39:230
111391250,3ptp4l0-21swapper/009:57:070
111391250,2ptp4l0-21swapper/011:21:550
111391250,0ptp4l11233-21systemd-cgroups11:25:010
111391250,0ptp4l0-21swapper/711:16:547
111391250,0ptp4l0-21swapper/512:20:025
111391250,0ptp4l0-21swapper/511:21:165
111391250,0ptp4l0-21swapper/510:15:335
111391250,0ptp4l0-21swapper/509:34:185
111391250,0ptp4l0-21swapper/508:20:225
111391250,0ptp4l0-21swapper/508:05:205
111391250,0ptp4l0-21swapper/412:03:484
111391250,0ptp4l0-21swapper/410:57:494
111391250,0ptp4l0-21swapper/409:13:054
111391250,0ptp4l0-21swapper/407:15:224
111391250,0ptp4l0-21swapper/011:42:260
111391250,0ptp4l0-21swapper/010:44:590
111391250,0ptp4l0-21swapper/009:49:210
111391240,1ptp4l7741-21memory08:55:135
111391240,1ptp4l3050-21cpuspeed_turbos09:40:114
111391240,1ptp4l23192-21diskstats07:10:114
111391240,1ptp4l19538-21/usr/sbin/munin10:50:131
111391240,1ptp4l10981-21grep07:50:180
111391240,0ptp4l0-21swapper/709:23:517
111391240,0ptp4l0-21swapper/511:55:215
111391240,0ptp4l0-21swapper/511:48:555
111391240,0ptp4l0-21swapper/511:03:455
111391240,0ptp4l0-21swapper/508:40:225
111391240,0ptp4l0-21swapper/412:21:404
111391240,0ptp4l0-21swapper/410:23:514
111391240,0ptp4l0-21swapper/409:00:104
111391240,0ptp4l0-21swapper/407:50:094
111391240,0ptp4l0-21swapper/212:27:582
111391240,0ptp4l0-21swapper/111:48:351
111391240,0ptp4l0-21swapper/109:54:361
111391240,0ptp4l0-21swapper/109:46:051
111391240,0ptp4l0-21swapper/107:40:141
111391240,0ptp4l0-21swapper/010:55:000
111391240,0ptp4l0-21swapper/009:00:100
111391240,0ptp4l0-21swapper/007:39:590
111391230,1ptp4l27617-21cpuspeed_turbos12:35:115
111391230,1ptp4l16743-21munin-node10:00:101
111391230,1ptp4l16635-21idleruntime-cro12:20:015
111391230,1ptp4l13016-21cat07:55:196
111391230,0ptp4l33-21ksoftirqd/210:11:182
111391230,0ptp4l25088-21grep10:10:230
111391230,0ptp4l0-21swapper/711:35:207
111391230,0ptp4l0-21swapper/708:00:137
111391230,0ptp4l0-21swapper/512:29:265
111391230,0ptp4l0-21swapper/511:30:145
111391230,0ptp4l0-21swapper/509:46:105
111391230,0ptp4l0-21swapper/508:54:225
111391230,0ptp4l0-21swapper/508:30:115
111391230,0ptp4l0-21swapper/507:54:555
111391230,0ptp4l0-21swapper/507:40:135
111391230,0ptp4l0-21swapper/411:40:124
111391230,0ptp4l0-21swapper/410:40:084
111391230,0ptp4l0-21swapper/410:35:154
111391230,0ptp4l0-21swapper/410:15:034
111391230,0ptp4l0-21swapper/409:32:424
111391230,0ptp4l0-21swapper/408:40:164
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/309:18:013
111391230,0ptp4l0-21swapper/309:18:003
111391230,0ptp4l0-21swapper/308:00:163
111391230,0ptp4l0-21swapper/112:24:201
111391230,0ptp4l0-21swapper/112:15:141
111391230,0ptp4l0-21swapper/111:55:161
111391230,0ptp4l0-21swapper/111:30:141
111391230,0ptp4l0-21swapper/110:20:151
111391230,0ptp4l0-21swapper/110:15:141
111391230,0ptp4l0-21swapper/110:09:511
111391230,0ptp4l0-21swapper/109:14:501
111391230,0ptp4l0-21swapper/108:55:181
111391230,0ptp4l0-21swapper/108:25:171
111391230,0ptp4l0-21swapper/108:05:151
111391230,0ptp4l0-21swapper/012:05:200
111391230,0ptp4l0-21swapper/010:02:140
111391230,0ptp4l0-21swapper/009:50:190
111391230,0ptp4l0-21swapper/008:45:170
111391230,0ptp4l0-21swapper/007:15:210
111391220,1ptp4l27497-21/usr/sbin/munin12:35:121
111391220,1ptp4l22739-21ssh09:20:262
111391220,0ptp4l0-21swapper/709:45:007
111391220,0ptp4l0-21swapper/709:43:487
111391220,0ptp4l0-21swapper/709:17:297
111391220,0ptp4l0-21swapper/709:17:297
111391220,0ptp4l0-21swapper/612:28:056
111391220,0ptp4l0-21swapper/512:32:545
111391220,0ptp4l0-21swapper/511:51:435
111391220,0ptp4l0-21swapper/511:51:435
111391220,0ptp4l0-21swapper/510:50:165
111391220,0ptp4l0-21swapper/510:14:465
111391220,0ptp4l0-21swapper/509:38:255
111391220,0ptp4l0-21swapper/509:15:425
111391220,0ptp4l0-21swapper/509:15:415
111391220,0ptp4l0-21swapper/509:08:515
111391220,0ptp4l0-21swapper/508:39:195
111391220,0ptp4l0-21swapper/508:15:185
111391220,0ptp4l0-21swapper/508:10:135
111391220,0ptp4l0-21swapper/507:45:125
111391220,0ptp4l0-21swapper/507:30:165
111391220,0ptp4l0-21swapper/507:27:265
111391220,0ptp4l0-21swapper/412:35:154
111391220,0ptp4l0-21swapper/412:05:134
111391220,0ptp4l0-21swapper/411:15:154
111391220,0ptp4l0-21swapper/411:05:114
111391220,0ptp4l0-21swapper/411:00:144
111391220,0ptp4l0-21swapper/410:50:134
111391220,0ptp4l0-21swapper/409:55:134
111391220,0ptp4l0-21swapper/409:25:134
111391220,0ptp4l0-21swapper/409:15:104
111391220,0ptp4l0-21swapper/409:15:094
111391220,0ptp4l0-21swapper/409:05:164
111391220,0ptp4l0-21swapper/408:50:114
111391220,0ptp4l0-21swapper/408:35:164
111391220,0ptp4l0-21swapper/408:08:214
111391220,0ptp4l0-21swapper/407:43:304
111391220,0ptp4l0-21swapper/407:35:154
111391220,0ptp4l0-21swapper/407:30:234
111391220,0ptp4l0-21swapper/407:25:194
111391220,0ptp4l0-21swapper/407:23:184
111391220,0ptp4l0-21swapper/311:35:183
111391220,0ptp4l0-21swapper/311:17:183
111391220,0ptp4l0-21swapper/309:43:413
111391220,0ptp4l0-21swapper/112:29:281
111391220,0ptp4l0-21swapper/112:10:201
111391220,0ptp4l0-21swapper/112:05:031
111391220,0ptp4l0-21swapper/111:51:261
111391220,0ptp4l0-21swapper/111:51:251
111391220,0ptp4l0-21swapper/111:30:001
111391220,0ptp4l0-21swapper/111:20:571
111391220,0ptp4l0-21swapper/111:15:191
111391220,0ptp4l0-21swapper/110:58:421
111391220,0ptp4l0-21swapper/110:41:061
111391220,0ptp4l0-21swapper/110:12:121
111391220,0ptp4l0-21swapper/109:55:001
111391220,0ptp4l0-21swapper/109:38:181
111391220,0ptp4l0-21swapper/109:30:131
111391220,0ptp4l0-21swapper/109:30:001
111391220,0ptp4l0-21swapper/109:20:461
111391220,0ptp4l0-21swapper/109:15:041
111391220,0ptp4l0-21swapper/109:15:031
111391220,0ptp4l0-21swapper/108:45:111
111391220,0ptp4l0-21swapper/108:40:231
111391220,0ptp4l0-21swapper/108:30:121
111391220,0ptp4l0-21swapper/108:20:211
111391220,0ptp4l0-21swapper/107:30:151
111391220,0ptp4l0-21swapper/012:17:380
111391220,0ptp4l0-21swapper/012:10:120
111391220,0ptp4l0-21swapper/011:00:120
111391220,0ptp4l0-21swapper/010:45:110
111391220,0ptp4l0-21swapper/010:20:140
111391220,0ptp4l0-21swapper/009:15:140
111391220,0ptp4l0-21swapper/009:15:140
111391220,0ptp4l0-21swapper/009:10:140
111391220,0ptp4l0-21swapper/009:05:020
111391220,0ptp4l0-21swapper/008:50:140
111391220,0ptp4l0-21swapper/008:40:150
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/008:14:110
111391220,0ptp4l0-21swapper/007:55:170
111391220,0ptp4l0-21swapper/007:45:200
111391220,0ptp4l0-21swapper/007:30:220
111391220,0ptp4l0-21swapper/007:20:180
111391220,0ptp4l0-21swapper/007:10:180
111391210,0ptp4l0-21swapper/711:31:227
111391210,0ptp4l0-21swapper/610:42:546
111391210,0ptp4l0-21swapper/610:32:076
111391210,0ptp4l0-21swapper/512:10:325
111391210,0ptp4l0-21swapper/512:07:535
111391210,0ptp4l0-21swapper/511:44:095
111391210,0ptp4l0-21swapper/511:36:295
111391210,0ptp4l0-21swapper/511:30:015
111391210,0ptp4l0-21swapper/511:05:445
111391210,0ptp4l0-21swapper/510:47:575
111391210,0ptp4l0-21swapper/510:44:265
111391210,0ptp4l0-21swapper/509:41:065
111391210,0ptp4l0-21swapper/509:28:475
111391210,0ptp4l0-21swapper/508:48:135
111391210,0ptp4l0-21swapper/508:25:155
111391210,0ptp4l0-21swapper/508:04:515
111391210,0ptp4l0-21swapper/412:16:144
111391210,0ptp4l0-21swapper/408:10:184
111391210,0ptp4l0-21swapper/408:02:554
111391210,0ptp4l0-21swapper/407:47:104
111391210,0ptp4l0-21swapper/310:06:123
111391210,0ptp4l0-21swapper/210:31:512
111391210,0ptp4l0-21swapper/111:44:541
111391210,0ptp4l0-21swapper/111:10:401
111391210,0ptp4l0-21swapper/110:37:291
111391210,0ptp4l0-21swapper/110:25:361
111391210,0ptp4l0-21swapper/107:54:161
111391210,0ptp4l0-21swapper/107:45:101
111391210,0ptp4l0-21swapper/107:25:151
111391210,0ptp4l0-21swapper/107:15:161
111391200,2ptp4l0-21swapper/208:21:382
111391200,0ptp4l0-21swapper/612:11:426
111391200,0ptp4l0-21swapper/610:53:226
111391200,0ptp4l0-21swapper/609:29:096
111391200,0ptp4l0-21swapper/607:24:386
111391200,0ptp4l0-21swapper/512:02:285
111391200,0ptp4l0-21swapper/511:10:385
111391200,0ptp4l0-21swapper/510:34:085
111391200,0ptp4l0-21swapper/510:07:595
111391200,0ptp4l0-21swapper/509:55:535
111391200,0ptp4l0-21swapper/509:04:455
111391200,0ptp4l0-21swapper/507:18:215
111391200,0ptp4l0-21swapper/307:58:393
111391200,0ptp4l0-21swapper/212:11:392
111391200,0ptp4l0-21swapper/211:54:592
111391200,0ptp4l0-21swapper/211:54:582
111391200,0ptp4l0-21swapper/211:03:072
111391200,0ptp4l0-21swapper/210:52:122
111391200,0ptp4l0-21swapper/210:42:532
111391200,0ptp4l0-21swapper/209:29:102
111391200,0ptp4l0-21swapper/207:55:172
111391200,0ptp4l0-21swapper/207:53:362
111391200,0ptp4l0-21swapper/112:32:381
111391200,0ptp4l0-21swapper/111:37:281
111391200,0ptp4l0-21swapper/111:02:151
111391200,0ptp4l0-21swapper/110:47:511
111391200,0ptp4l0-21swapper/110:33:481
111391200,0ptp4l0-21swapper/108:19:171
111391200,0ptp4l0-21swapper/108:10:151
111391200,0ptp4l0-21swapper/008:59:540
111391200,0ptp4l0-21swapper/008:09:110
111391190,0ptp4l0-21swapper/611:55:066
111391190,0ptp4l0-21swapper/510:56:115
111391190,0ptp4l0-21swapper/510:37:265
111391190,0ptp4l0-21swapper/408:47:444
111391190,0ptp4l0-21swapper/408:22:434
111391190,0ptp4l0-21swapper/309:23:543
111391190,0ptp4l0-21swapper/211:06:162
111391190,0ptp4l0-21swapper/209:13:302
111391190,0ptp4l0-21swapper/207:10:462
111391190,0ptp4l0-21swapper/112:00:381
111391190,0ptp4l0-21swapper/109:41:001
111391190,0ptp4l0-21swapper/108:53:081
111391190,0ptp4l0-21swapper/107:36:431
111391190,0ptp4l0-21swapper/107:24:551
111391190,0ptp4l0-21swapper/107:12:171
111391190,0ptp4l0-21swapper/008:26:190
111391190,0ptp4l0-21swapper/008:02:200
111391180,0ptp4l0-21swapper/612:30:066
111391180,0ptp4l0-21swapper/610:11:346
111391180,0ptp4l0-21swapper/609:20:246
111391180,0ptp4l0-21swapper/408:33:264
111391180,0ptp4l0-21swapper/212:30:052
111391180,0ptp4l0-21swapper/212:18:152
111391180,0ptp4l0-21swapper/210:01:552
111391180,0ptp4l0-21swapper/109:09:201
111391170,0ptp4l0-21swapper/611:03:116
111391170,0ptp4l0-21swapper/607:33:326
111391170,0ptp4l0-21swapper/211:55:042
111391170,0ptp4l0-21swapper/008:19:220
111391160,0ptp4l0-21swapper/707:20:307
111391160,0ptp4l0-21swapper/609:57:296
111391160,0ptp4l0-21swapper/507:37:235
111391160,0ptp4l0-21swapper/408:19:374
111391160,0ptp4l0-21swapper/109:01:481
111391160,0ptp4l0-21swapper/008:33:280
111391160,0ptp4l0-21swapper/008:23:030
111391150,0ptp4l0-21swapper/611:54:566
111391150,0ptp4l0-21swapper/611:54:556
111391150,0ptp4l0-21swapper/611:08:056
111391150,0ptp4l0-21swapper/610:37:146
111391150,0ptp4l0-21swapper/610:01:556
111391150,0ptp4l0-21swapper/609:00:416
111391150,0ptp4l0-21swapper/608:46:206
111391150,0ptp4l0-21swapper/608:21:286
111391150,0ptp4l0-21swapper/608:18:216
111391150,0ptp4l0-21swapper/607:53:346
111391150,0ptp4l0-21swapper/607:10:456
111391150,0ptp4l0-21swapper/507:55:335
111391150,0ptp4l0-21swapper/507:24:595
111391150,0ptp4l0-21swapper/507:10:295
111391150,0ptp4l0-21swapper/408:58:404
111391150,0ptp4l0-21swapper/408:28:244
111391150,0ptp4l0-21swapper/308:17:493
111391150,0ptp4l0-21swapper/307:26:143
111391150,0ptp4l0-21swapper/209:57:282
111391150,0ptp4l0-21swapper/208:29:212
111391150,0ptp4l0-21swapper/208:02:312
111391150,0ptp4l0-21swapper/207:48:562
111391150,0ptp4l0-21swapper/207:21:442
111391150,0ptp4l0-21swapper/108:36:071
111391150,0ptp4l0-21swapper/108:03:451
111391150,0ptp4l0-21swapper/107:55:331
111391150,0ptp4l0-21swapper/007:40:020
111391140,0ptp4l0-21swapper/708:17:437
111391140,0ptp4l0-21swapper/707:48:137
111391140,0ptp4l0-21swapper/707:26:127
111391140,0ptp4l0-21swapper/612:18:166
111391140,0ptp4l0-21swapper/609:13:296
111391140,0ptp4l0-21swapper/608:29:106
111391140,0ptp4l0-21swapper/608:02:296
111391140,0ptp4l0-21swapper/607:48:566
111391140,0ptp4l0-21swapper/607:39:196
111391140,0ptp4l0-21swapper/607:19:476
111391140,0ptp4l0-21swapper/307:48:153
111391140,0ptp4l0-21swapper/307:20:323
111391140,0ptp4l0-21swapper/209:00:422
111391140,0ptp4l0-21swapper/208:46:132
111391140,0ptp4l0-21swapper/208:18:192
111391140,0ptp4l0-21swapper/208:06:092
111391140,0ptp4l0-21swapper/207:39:162
111391140,0ptp4l0-21swapper/207:30:332
111391140,0ptp4l0-21swapper/207:19:462
22725991311,1cyclictest27626-21munin-run09:30:013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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