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2026-01-03 - 22:45

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 Jan 03, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,32ptp4l0-21swapper/407:05:154
111391620,4ptp4l0-21swapper/007:09:020
92162610,0sleep50-21swapper/509:47:415
111391610,30ptp4l0-21swapper/107:05:191
197632580,0sleep50-21swapper/510:00:225
1975625735,7sleep30-21swapper/307:06:243
127732570,0sleep70-21swapper/712:00:017
127732570,0sleep70-21swapper/712:00:007
111391560,5ptp4l0-21swapper/707:09:547
30112550,0sleep50-21swapper/512:29:395
2002325545,6sleep20-21swapper/207:09:522
2001825341,7sleep60-21swapper/607:09:476
111391490,5ptp4l0-21swapper/507:05:385
111391310,0ptp4l0-21swapper/511:18:035
111391300,0ptp4l0-21swapper/412:02:184
111391300,0ptp4l0-21swapper/411:55:484
111391300,0ptp4l0-21swapper/411:55:484
111391300,0ptp4l0-21swapper/410:17:344
111391290,0ptp4l0-21swapper/510:22:195
111391290,0ptp4l0-21swapper/412:19:344
111391290,0ptp4l0-21swapper/411:38:494
111391290,0ptp4l0-21swapper/112:37:221
111391290,0ptp4l0-21swapper/010:25:170
111391280,0ptp4l0-21swapper/609:27:156
111391280,0ptp4l0-21swapper/411:54:344
111391280,0ptp4l0-21swapper/411:49:084
111391280,0ptp4l0-21swapper/410:58:574
111391280,0ptp4l0-21swapper/111:19:341
111391280,0ptp4l0-21swapper/011:46:260
111391280,0ptp4l0-21swapper/011:23:420
111391280,0ptp4l0-21swapper/010:15:440
111391280,0ptp4l0-21swapper/009:46:380
111391270,3ptp4l6169-21diskmemload09:44:511
111391270,2ptp4l0-21swapper/011:43:290
111391270,1ptp4l0-21swapper/109:35:131
111391270,0ptp4l0-21swapper/512:31:025
111391270,0ptp4l0-21swapper/411:30:364
111391270,0ptp4l0-21swapper/411:10:284
111391270,0ptp4l0-21swapper/409:36:564
111391270,0ptp4l0-21swapper/408:15:184
111391270,0ptp4l0-21swapper/012:33:290
111391270,0ptp4l0-21swapper/012:07:230
111391270,0ptp4l0-21swapper/011:27:280
111391270,0ptp4l0-21swapper/011:10:500
111391270,0ptp4l0-21swapper/010:54:240
111391270,0ptp4l0-21swapper/009:51:020
111391260,3ptp4l0-21swapper/010:42:460
111391260,0ptp4l0-21swapper/511:12:165
111391260,0ptp4l0-21swapper/511:04:265
111391260,0ptp4l0-21swapper/412:26:094
111391260,0ptp4l0-21swapper/411:25:434
111391260,0ptp4l0-21swapper/410:48:224
111391260,0ptp4l0-21swapper/410:11:324
111391260,0ptp4l0-21swapper/409:30:194
111391260,0ptp4l0-21swapper/409:20:324
111391260,0ptp4l0-21swapper/409:20:324
111391260,0ptp4l0-21swapper/408:40:164
111391260,0ptp4l0-21swapper/112:33:001
111391260,0ptp4l0-21swapper/111:07:101
111391260,0ptp4l0-21swapper/111:04:181
111391260,0ptp4l0-21swapper/109:29:321
111391260,0ptp4l0-21swapper/012:24:120
111391260,0ptp4l0-21swapper/011:17:520
111391260,0ptp4l0-21swapper/011:08:260
111391260,0ptp4l0-21swapper/010:38:380
111391260,0ptp4l0-21swapper/010:20:170
111391260,0ptp4l0-21swapper/010:14:300
111391260,0ptp4l0-21swapper/009:31:510
111391260,0ptp4l0-21swapper/008:05:110
111391250,1ptp4l401ktimersoftd/312:33:493
111391250,1ptp4l19044-21memory10:00:194
111391250,0ptp4l0-21swapper/511:20:105
111391250,0ptp4l0-21swapper/509:21:595
111391250,0ptp4l0-21swapper/509:21:595
111391250,0ptp4l0-21swapper/412:32:194
111391250,0ptp4l0-21swapper/410:35:054
111391250,0ptp4l0-21swapper/409:52:364
111391250,0ptp4l0-21swapper/409:27:094
111391250,0ptp4l0-21swapper/409:12:464
111391250,0ptp4l0-21swapper/408:25:164
111391250,0ptp4l0-21swapper/407:15:174
111391250,0ptp4l0-21swapper/012:27:390
111391250,0ptp4l0-21swapper/011:52:520
111391250,0ptp4l0-21swapper/010:55:270
111391250,0ptp4l0-21swapper/010:45:130
111391250,0ptp4l0-21swapper/009:25:570
111391250,0ptp4l0-21swapper/009:17:320
111391250,0ptp4l0-21swapper/008:45:160
111391250,0ptp4l0-21swapper/007:55:120
111391240,2ptp4l0-21swapper/210:50:212
111391240,1ptp4l57-21ksoftirqd/507:15:015
111391240,1ptp4l32691-21df_inode08:45:124
111391240,1ptp4l32671-21missed_timers11:00:170
111391240,1ptp4l32547-21sed07:35:010
111391240,1ptp4l28086-21df08:35:114
111391240,1ptp4l22985-21cat10:05:174
111391240,1ptp4l11184-21diskmemload12:00:590
111391240,0ptp4l0-21swapper/512:15:015
111391240,0ptp4l0-21swapper/511:33:305
111391240,0ptp4l0-21swapper/509:55:175
111391240,0ptp4l0-21swapper/509:15:195
111391240,0ptp4l0-21swapper/412:10:054
111391240,0ptp4l0-21swapper/411:41:164
111391240,0ptp4l0-21swapper/411:16:544
111391240,0ptp4l0-21swapper/410:40:494
111391240,0ptp4l0-21swapper/410:24:164
111391240,0ptp4l0-21swapper/407:40:114
111391240,0ptp4l0-21swapper/012:38:390
111391240,0ptp4l0-21swapper/009:23:560
111391240,0ptp4l0-21swapper/009:23:560
111391240,0ptp4l0-21swapper/007:40:000
111391240,0ptp4l0-21swapper/007:20:200
111391230,1ptp4l22106-21/usr/sbin/munin10:05:150
111391230,0ptp4l4908-21cpuspeed_turbos08:55:120
111391230,0ptp4l0-21swapper/707:15:017
111391230,0ptp4l0-21swapper/707:15:017
111391230,0ptp4l0-21swapper/512:06:355
111391230,0ptp4l0-21swapper/511:44:065
111391230,0ptp4l0-21swapper/509:40:115
111391230,0ptp4l0-21swapper/509:35:165
111391230,0ptp4l0-21swapper/507:56:295
111391230,0ptp4l0-21swapper/507:40:125
111391230,0ptp4l0-21swapper/412:35:174
111391230,0ptp4l0-21swapper/412:20:174
111391230,0ptp4l0-21swapper/412:07:364
111391230,0ptp4l0-21swapper/411:20:144
111391230,0ptp4l0-21swapper/411:10:014
111391230,0ptp4l0-21swapper/411:00:184
111391230,0ptp4l0-21swapper/410:25:164
111391230,0ptp4l0-21swapper/409:55:164
111391230,0ptp4l0-21swapper/409:45:154
111391230,0ptp4l0-21swapper/409:15:034
111391230,0ptp4l0-21swapper/409:05:184
111391230,0ptp4l0-21swapper/408:30:204
111391230,0ptp4l0-21swapper/408:20:004
111391230,0ptp4l0-21swapper/408:00:184
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:35:194
111391230,0ptp4l0-21swapper/407:30:204
111391230,0ptp4l0-21swapper/407:25:124
111391230,0ptp4l0-21swapper/307:15:013
111391230,0ptp4l0-21swapper/307:10:213
111391230,0ptp4l0-21swapper/212:15:132
111391230,0ptp4l0-21swapper/211:45:002
111391230,0ptp4l0-21swapper/211:15:172
111391230,0ptp4l0-21swapper/112:11:021
111391230,0ptp4l0-21swapper/111:20:101
111391230,0ptp4l0-21swapper/110:40:141
111391230,0ptp4l0-21swapper/109:20:261
111391230,0ptp4l0-21swapper/109:20:261
111391230,0ptp4l0-21swapper/108:30:141
111391230,0ptp4l0-21swapper/012:18:020
111391230,0ptp4l0-21swapper/011:35:190
111391230,0ptp4l0-21swapper/011:30:200
111391230,0ptp4l0-21swapper/010:30:140
111391230,0ptp4l0-21swapper/009:44:090
111391230,0ptp4l0-21swapper/009:05:170
111391230,0ptp4l0-21swapper/008:50:150
111391230,0ptp4l0-21swapper/008:30:190
111391230,0ptp4l0-21swapper/008:15:160
111391230,0ptp4l0-21swapper/008:10:130
111391230,0ptp4l0-21swapper/007:50:150
111391230,0ptp4l0-21swapper/007:45:150
111391230,0ptp4l0-21swapper/007:25:160
111391230,0ptp4l0-21swapper/007:15:150
111391220,1ptp4l24915-21ssh11:32:391
111391220,0ptp4l0-21swapper/709:51:427
111391220,0ptp4l0-21swapper/709:27:267
111391220,0ptp4l0-21swapper/707:50:137
111391220,0ptp4l0-21swapper/609:34:506
111391220,0ptp4l0-21swapper/512:38:165
111391220,0ptp4l0-21swapper/512:00:435
111391220,0ptp4l0-21swapper/511:25:035
111391220,0ptp4l0-21swapper/511:07:085
111391220,0ptp4l0-21swapper/510:40:235
111391220,0ptp4l0-21swapper/510:25:365
111391220,0ptp4l0-21swapper/510:10:015
111391220,0ptp4l0-21swapper/509:25:125
111391220,0ptp4l0-21swapper/410:50:154
111391220,0ptp4l0-21swapper/410:30:144
111391220,0ptp4l0-21swapper/409:41:204
111391220,0ptp4l0-21swapper/409:00:194
111391220,0ptp4l0-21swapper/408:55:164
111391220,0ptp4l0-21swapper/408:50:224
111391220,0ptp4l0-21swapper/408:13:394
111391220,0ptp4l0-21swapper/408:05:114
111391220,0ptp4l0-21swapper/407:50:174
111391220,0ptp4l0-21swapper/407:20:154
111391220,0ptp4l0-21swapper/207:45:112
111391220,0ptp4l0-21swapper/112:28:041
111391220,0ptp4l0-21swapper/112:01:531
111391220,0ptp4l0-21swapper/111:44:321
111391220,0ptp4l0-21swapper/111:12:121
111391220,0ptp4l0-21swapper/110:21:321
111391220,0ptp4l0-21swapper/109:45:091
111391220,0ptp4l0-21swapper/109:15:181
111391220,0ptp4l0-21swapper/109:06:161
111391220,0ptp4l0-21swapper/108:55:211
111391220,0ptp4l0-21swapper/107:46:261
111391220,0ptp4l0-21swapper/107:40:141
111391220,0ptp4l0-21swapper/107:30:191
111391220,0ptp4l0-21swapper/107:23:041
111391220,0ptp4l0-21swapper/107:15:021
111391220,0ptp4l0-21swapper/012:10:160
111391220,0ptp4l0-21swapper/011:55:130
111391220,0ptp4l0-21swapper/011:55:130
111391220,0ptp4l0-21swapper/010:00:130
111391220,0ptp4l0-21swapper/009:55:140
111391220,0ptp4l0-21swapper/009:37:110
111391220,0ptp4l0-21swapper/009:10:000
111391220,0ptp4l0-21swapper/008:40:140
111391220,0ptp4l0-21swapper/008:35:120
111391220,0ptp4l0-21swapper/008:25:130
111391220,0ptp4l0-21swapper/008:20:200
111391220,0ptp4l0-21swapper/008:00:150
111391210,0ptp4l0-21swapper/709:40:547
111391210,0ptp4l0-21swapper/611:45:006
111391210,0ptp4l0-21swapper/610:50:226
111391210,0ptp4l0-21swapper/609:22:066
111391210,0ptp4l0-21swapper/609:22:066
111391210,0ptp4l0-21swapper/512:22:415
111391210,0ptp4l0-21swapper/511:36:265
111391210,0ptp4l0-21swapper/510:49:145
111391210,0ptp4l0-21swapper/508:16:365
111391210,0ptp4l0-21swapper/407:55:164
111391210,0ptp4l0-21swapper/309:27:373
111391210,0ptp4l0-21swapper/211:37:412
111391210,0ptp4l0-21swapper/211:20:572
111391210,0ptp4l0-21swapper/211:04:572
111391210,0ptp4l0-21swapper/209:41:482
111391210,0ptp4l0-21swapper/209:18:192
111391210,0ptp4l0-21swapper/112:22:381
111391210,0ptp4l0-21swapper/112:15:011
111391210,0ptp4l0-21swapper/112:05:501
111391210,0ptp4l0-21swapper/111:37:081
111391210,0ptp4l0-21swapper/111:25:001
111391210,0ptp4l0-21swapper/110:58:511
111391210,0ptp4l0-21swapper/110:51:161
111391210,0ptp4l0-21swapper/110:34:441
111391210,0ptp4l0-21swapper/110:28:051
111391210,0ptp4l0-21swapper/110:18:161
111391210,0ptp4l0-21swapper/110:12:101
111391210,0ptp4l0-21swapper/110:05:471
111391210,0ptp4l0-21swapper/109:50:191
111391210,0ptp4l0-21swapper/108:12:441
111391210,0ptp4l0-21swapper/108:03:291
111391210,0ptp4l0-21swapper/107:55:201
111391210,0ptp4l0-21swapper/009:00:210
111391210,0ptp4l0-21swapper/007:42:310
111391200,1ptp4l17948-21sh11:24:476
111391200,0ptp4l0-21swapper/712:33:557
111391200,0ptp4l0-21swapper/711:53:297
111391200,0ptp4l0-21swapper/611:07:586
111391200,0ptp4l0-21swapper/609:53:396
111391200,0ptp4l0-21swapper/609:40:376
111391200,0ptp4l0-21swapper/609:04:036
111391200,0ptp4l0-21swapper/512:10:325
111391200,0ptp4l0-21swapper/510:58:535
111391200,0ptp4l0-21swapper/510:30:505
111391200,0ptp4l0-21swapper/509:06:255
111391200,0ptp4l0-21swapper/508:35:195
111391200,0ptp4l0-21swapper/508:30:125
111391200,0ptp4l0-21swapper/508:28:215
111391200,0ptp4l0-21swapper/508:04:555
111391200,0ptp4l0-21swapper/407:14:364
111391200,0ptp4l0-21swapper/310:46:023
111391200,0ptp4l0-21swapper/307:48:513
111391200,0ptp4l0-21swapper/212:21:592
111391200,0ptp4l0-21swapper/212:01:492
111391200,0ptp4l0-21swapper/211:31:112
111391200,0ptp4l0-21swapper/210:35:022
111391200,0ptp4l0-21swapper/209:39:352
111391200,0ptp4l0-21swapper/111:49:581
111391200,0ptp4l0-21swapper/110:49:131
111391200,0ptp4l0-21swapper/110:37:141
111391200,0ptp4l0-21swapper/109:14:071
111391200,0ptp4l0-21swapper/007:12:590
111391190,0ptp4l0-21swapper/708:39:197
111391190,0ptp4l0-21swapper/707:49:367
111391190,0ptp4l0-21swapper/610:32:076
111391190,0ptp4l0-21swapper/511:57:045
111391190,0ptp4l0-21swapper/511:57:045
111391190,0ptp4l0-21swapper/510:37:165
111391190,0ptp4l0-21swapper/510:10:065
111391190,0ptp4l0-21swapper/509:51:405
111391190,0ptp4l0-21swapper/508:58:135
111391190,0ptp4l0-21swapper/508:24:425
111391190,0ptp4l0-21swapper/508:13:025
111391190,0ptp4l0-21swapper/507:47:175
111391190,0ptp4l0-21swapper/311:53:283
111391190,0ptp4l0-21swapper/309:51:483
111391190,0ptp4l0-21swapper/307:50:143
111391190,0ptp4l0-21swapper/212:11:462
111391190,0ptp4l0-21swapper/209:25:362
111391190,0ptp4l0-21swapper/111:57:021
111391190,0ptp4l0-21swapper/111:57:021
111391190,0ptp4l0-21swapper/110:01:261
111391190,0ptp4l0-21swapper/109:31:381
111391180,0ptp4l0-21swapper/611:38:116
111391180,0ptp4l0-21swapper/610:38:426
111391180,0ptp4l0-21swapper/510:15:275
111391180,0ptp4l0-21swapper/509:31:375
111391180,0ptp4l0-21swapper/209:55:402
111391180,0ptp4l0-21swapper/108:51:451
111391180,0ptp4l0-21swapper/108:23:361
111391170,0ptp4l0-21swapper/609:55:386
111391170,0ptp4l0-21swapper/510:51:165
111391170,0ptp4l0-21swapper/211:10:042
111391170,0ptp4l0-21swapper/210:55:362
111391170,0ptp4l0-21swapper/210:31:122
111391160,1ptp4l29368-21chrt08:35:201
111391160,0ptp4l0-21swapper/608:18:026
111391160,0ptp4l0-21swapper/509:01:575
111391160,0ptp4l0-21swapper/508:53:075
111391160,0ptp4l0-21swapper/210:44:582
111391160,0ptp4l0-21swapper/109:58:341
111391160,0ptp4l0-21swapper/108:44:281
111391160,0ptp4l0-21swapper/107:50:301
111391160,0ptp4l0-21swapper/107:35:451
111391160,0ptp4l0-21swapper/107:12:421
111391150,0ptp4l0-21swapper/710:46:037
111391150,0ptp4l0-21swapper/708:41:327
111391150,0ptp4l0-21swapper/708:32:307
111391150,0ptp4l0-21swapper/611:04:576
111391150,0ptp4l0-21swapper/608:42:096
111391150,0ptp4l0-21swapper/607:46:446
111391150,0ptp4l0-21swapper/508:49:455
111391150,0ptp4l0-21swapper/508:43:335
111391150,0ptp4l0-21swapper/508:07:005
111391150,0ptp4l0-21swapper/507:50:325
111391150,0ptp4l0-21swapper/507:37:195
111391150,0ptp4l0-21swapper/507:31:145
111391150,0ptp4l0-21swapper/507:25:405
111391150,0ptp4l0-21swapper/507:22:085
111391150,0ptp4l0-21swapper/507:11:455
111391150,0ptp4l0-21swapper/308:39:183
111391150,0ptp4l0-21swapper/308:32:313
111391150,0ptp4l0-21swapper/210:06:582
111391150,0ptp4l0-21swapper/209:53:352
111391150,0ptp4l0-21swapper/209:00:102
111391150,0ptp4l0-21swapper/208:52:332
111391150,0ptp4l0-21swapper/208:40:102
111391150,0ptp4l0-21swapper/208:19:122
111391150,0ptp4l0-21swapper/208:05:262
111391150,0ptp4l0-21swapper/208:01:052
111391150,0ptp4l0-21swapper/207:58:042
111391150,0ptp4l0-21swapper/207:52:382
111391150,0ptp4l0-21swapper/109:01:021
111391150,0ptp4l0-21swapper/108:45:521
111391150,0ptp4l0-21swapper/108:26:431
111391150,0ptp4l0-21swapper/108:16:221
111391150,0ptp4l0-21swapper/108:06:581
111391150,0ptp4l0-21swapper/107:25:401
111391140,0ptp4l0-21swapper/608:56:266
111391140,0ptp4l0-21swapper/608:39:586
111391140,0ptp4l0-21swapper/608:31:136
111391140,0ptp4l0-21swapper/608:13:586
111391140,0ptp4l0-21swapper/608:06:206
111391140,0ptp4l0-21swapper/608:01:056
111391140,0ptp4l0-21swapper/607:55:416
111391140,0ptp4l0-21swapper/311:55:113
111391140,0ptp4l0-21swapper/311:55:113
111391140,0ptp4l0-21swapper/309:40:563
111391140,0ptp4l0-21swapper/308:41:313
111391140,0ptp4l0-21swapper/211:07:572
111391140,0ptp4l0-21swapper/210:47:262
111391140,0ptp4l0-21swapper/210:04:372
111391140,0ptp4l0-21swapper/209:34:502
111391140,0ptp4l0-21swapper/209:22:052
111391140,0ptp4l0-21swapper/209:22:052
111391140,0ptp4l0-21swapper/208:56:242
111391140,0ptp4l0-21swapper/208:38:312
111391140,0ptp4l0-21swapper/208:31:112
111391140,0ptp4l0-21swapper/208:13:582
111391140,0ptp4l0-21swapper/207:41:482
111391140,0ptp4l0-21swapper/207:15:352
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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