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2026-05-21 - 23:09

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 Thu May 21, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,6ptp4l0-21swapper/307:05:183
132042600,1sleep10-21swapper/109:05:161
2301725848,6sleep20-21swapper/207:06:562
111391570,6ptp4l0-21swapper/707:09:317
2308425433,6sleep50-21swapper/507:07:485
1881915232,6phc2sys0-21swapper/007:09:370
2305324939,6sleep10-21swapper/107:07:201
2298324938,6sleep40-21swapper/407:06:264
2292124737,6sleep60-21swapper/607:05:396
111391360,1ptp4l2836-21sensors12:30:190
111391340,0ptp4l12015-21idleruntime-cro09:04:590
111391330,0ptp4l0-21swapper/511:42:125
111391330,0ptp4l0-21swapper/111:15:111
111391320,0ptp4l0-21swapper/507:35:125
111391320,0ptp4l0-21swapper/009:15:150
111391320,0ptp4l0-21swapper/008:30:110
111391310,0ptp4l14290-21diskmemload11:30:134
111391310,0ptp4l0-21swapper/111:05:041
111391310,0ptp4l0-21swapper/109:41:451
111391310,0ptp4l0-21swapper/108:15:131
111391310,0ptp4l0-21swapper/012:01:300
111391310,0ptp4l0-21swapper/011:50:200
111391310,0ptp4l0-21swapper/011:37:480
111391310,0ptp4l0-21swapper/009:24:100
111391300,0ptp4l13874-21ssh11:19:222
111391300,0ptp4l0-21swapper/211:55:402
111391300,0ptp4l0-21swapper/012:13:340
111391300,0ptp4l0-21swapper/010:27:450
111391300,0ptp4l0-21swapper/010:08:090
111391300,0ptp4l0-21swapper/008:45:210
111391290,0ptp4l0-21swapper/511:26:405
111391290,0ptp4l0-21swapper/107:35:111
111391290,0ptp4l0-21swapper/012:27:420
111391290,0ptp4l0-21swapper/011:58:520
111391290,0ptp4l0-21swapper/010:12:340
111391290,0ptp4l0-21swapper/009:50:300
111391290,0ptp4l0-21swapper/009:42:040
111391290,0ptp4l0-21swapper/009:29:510
111391290,0ptp4l0-21swapper/009:29:500
111391280,0ptp4l0-21swapper/512:25:285
111391280,0ptp4l0-21swapper/508:20:145
111391280,0ptp4l0-21swapper/412:34:544
111391280,0ptp4l0-21swapper/412:12:484
111391280,0ptp4l0-21swapper/411:05:214
111391280,0ptp4l0-21swapper/410:51:584
111391280,0ptp4l0-21swapper/409:17:404
111391280,0ptp4l0-21swapper/110:07:021
111391280,0ptp4l0-21swapper/011:25:520
111391280,0ptp4l0-21swapper/011:22:200
111391280,0ptp4l0-21swapper/011:18:130
111391280,0ptp4l0-21swapper/011:07:190
111391280,0ptp4l0-21swapper/010:31:290
111391280,0ptp4l0-21swapper/010:23:280
111391280,0ptp4l0-21swapper/010:01:210
111391270,0ptp4l0-21swapper/509:24:505
111391270,0ptp4l0-21swapper/411:27:284
111391270,0ptp4l0-21swapper/410:15:124
111391270,0ptp4l0-21swapper/111:42:181
111391270,0ptp4l0-21swapper/009:13:020
111391260,1ptp4l14290-21diskmemload10:23:151
111391260,0ptp4l25909-21ls07:15:010
111391260,0ptp4l0-21swapper/512:06:415
111391260,0ptp4l0-21swapper/512:06:415
111391260,0ptp4l0-21swapper/511:02:565
111391260,0ptp4l0-21swapper/411:46:324
111391260,0ptp4l0-21swapper/411:20:134
111391260,0ptp4l0-21swapper/410:58:124
111391260,0ptp4l0-21swapper/410:29:444
111391260,0ptp4l0-21swapper/409:49:154
111391260,0ptp4l0-21swapper/408:25:194
111391260,0ptp4l0-21swapper/110:57:001
111391260,0ptp4l0-21swapper/109:38:341
111391260,0ptp4l0-21swapper/009:36:130
111391260,0ptp4l0-21swapper/009:31:580
111391250,1ptp4l2102-21memory09:35:164
111391250,0ptp4l0-21swapper/511:54:045
111391250,0ptp4l0-21swapper/510:36:015
111391250,0ptp4l0-21swapper/412:05:154
111391250,0ptp4l0-21swapper/412:05:154
111391250,0ptp4l0-21swapper/411:53:444
111391250,0ptp4l0-21swapper/411:35:384
111391250,0ptp4l0-21swapper/410:35:194
111391250,0ptp4l0-21swapper/410:30:144
111391250,0ptp4l0-21swapper/409:30:384
111391250,0ptp4l0-21swapper/409:25:154
111391250,0ptp4l0-21swapper/409:25:154
111391250,0ptp4l0-21swapper/409:11:294
111391250,0ptp4l0-21swapper/312:32:403
111391250,0ptp4l0-21swapper/308:05:163
111391250,0ptp4l0-21swapper/111:46:081
111391250,0ptp4l0-21swapper/110:00:561
111391250,0ptp4l0-21swapper/109:25:161
111391250,0ptp4l0-21swapper/109:25:161
111391250,0ptp4l0-21swapper/011:45:160
111391250,0ptp4l0-21swapper/011:13:410
111391250,0ptp4l0-21swapper/009:55:170
111391250,0ptp4l0-21swapper/008:25:200
111391240,3ptp4l721ktimersoftd/710:06:217
111391240,2ptp4l0-21swapper/110:10:141
111391240,1ptp4l5376-21/usr/sbin/munin12:35:194
111391240,1ptp4l26883-21missed_timers09:25:155
111391240,1ptp4l26883-21missed_timers09:25:145
111391240,1ptp4l23060-21/usr/sbin/munin12:15:120
111391240,1ptp4l21707-21memory10:45:154
111391240,1ptp4l18855-21idleruntime-cro12:10:001
111391240,1ptp4l18855-21idleruntime-cro12:10:001
111391240,1ptp4l1865-21phc2sys-jitter08:40:174
111391240,1ptp4l16456-21/usr/sbin/munin09:55:104
111391240,1ptp4l13908-21users09:05:204
111391240,0ptp4l0-21swapper/512:18:075
111391240,0ptp4l0-21swapper/511:14:545
111391240,0ptp4l0-21swapper/510:50:165
111391240,0ptp4l0-21swapper/509:38:315
111391240,0ptp4l0-21swapper/412:20:114
111391240,0ptp4l0-21swapper/412:03:344
111391240,0ptp4l0-21swapper/410:20:174
111391240,0ptp4l0-21swapper/410:06:484
111391240,0ptp4l0-21swapper/407:40:124
111391240,0ptp4l0-21swapper/407:30:154
111391240,0ptp4l0-21swapper/407:20:124
111391240,0ptp4l0-21swapper/112:25:441
111391240,0ptp4l0-21swapper/111:25:171
111391240,0ptp4l0-21swapper/109:10:121
111391240,0ptp4l0-21swapper/107:15:161
111391240,0ptp4l0-21swapper/012:20:330
111391240,0ptp4l0-21swapper/011:30:140
111391240,0ptp4l0-21swapper/010:55:070
111391240,0ptp4l0-21swapper/010:50:220
111391240,0ptp4l0-21swapper/010:40:100
111391240,0ptp4l0-21swapper/010:15:210
111391240,0ptp4l0-21swapper/009:46:070
111391240,0ptp4l0-21swapper/009:10:000
111391240,0ptp4l0-21swapper/008:55:100
111391240,0ptp4l0-21swapper/008:00:200
111391240,0ptp4l0-21swapper/007:55:170
111391240,0ptp4l0-21swapper/007:25:160
111391230,1ptp4l7757-21ssh12:37:301
111391230,1ptp4l19987-21ssh10:43:394
111391230,1ptp4l10218-21ssh11:14:181
111391230,0ptp4l0-21swapper/712:32:047
111391230,0ptp4l0-21swapper/712:25:147
111391230,0ptp4l0-21swapper/708:05:127
111391230,0ptp4l0-21swapper/708:05:007
111391230,0ptp4l0-21swapper/707:10:127
111391230,0ptp4l0-21swapper/612:05:196
111391230,0ptp4l0-21swapper/612:05:196
111391230,0ptp4l0-21swapper/512:21:405
111391230,0ptp4l0-21swapper/512:10:145
111391230,0ptp4l0-21swapper/511:15:115
111391230,0ptp4l0-21swapper/510:14:245
111391230,0ptp4l0-21swapper/510:00:165
111391230,0ptp4l0-21swapper/509:45:175
111391230,0ptp4l0-21swapper/509:40:185
111391230,0ptp4l0-21swapper/509:10:175
111391230,0ptp4l0-21swapper/508:15:135
111391230,0ptp4l0-21swapper/412:28:164
111391230,0ptp4l0-21swapper/412:15:014
111391230,0ptp4l0-21swapper/411:55:114
111391230,0ptp4l0-21swapper/411:18:224
111391230,0ptp4l0-21swapper/411:10:194
111391230,0ptp4l0-21swapper/411:00:124
111391230,0ptp4l0-21swapper/410:10:174
111391230,0ptp4l0-21swapper/410:02:524
111391230,0ptp4l0-21swapper/409:50:124
111391230,0ptp4l0-21swapper/409:40:104
111391230,0ptp4l0-21swapper/409:20:104
111391230,0ptp4l0-21swapper/409:00:184
111391230,0ptp4l0-21swapper/408:55:194
111391230,0ptp4l0-21swapper/408:50:194
111391230,0ptp4l0-21swapper/408:35:204
111391230,0ptp4l0-21swapper/408:30:124
111391230,0ptp4l0-21swapper/408:10:134
111391230,0ptp4l0-21swapper/407:55:154
111391230,0ptp4l0-21swapper/407:25:114
111391230,0ptp4l0-21swapper/312:25:143
111391230,0ptp4l0-21swapper/112:31:081
111391230,0ptp4l0-21swapper/112:16:441
111391230,0ptp4l0-21swapper/111:55:201
111391230,0ptp4l0-21swapper/110:50:161
111391230,0ptp4l0-21swapper/109:45:211
111391230,0ptp4l0-21swapper/108:36:181
111391230,0ptp4l0-21swapper/108:20:111
111391230,0ptp4l0-21swapper/107:50:171
111391230,0ptp4l0-21swapper/107:40:201
111391230,0ptp4l0-21swapper/012:35:120
111391230,0ptp4l0-21swapper/010:45:580
111391230,0ptp4l0-21swapper/010:35:120
111391230,0ptp4l0-21swapper/008:10:210
111391230,0ptp4l0-21swapper/008:08:250
111391230,0ptp4l0-21swapper/007:35:170
111391220,3ptp4l0-21swapper/508:57:165
111391220,1ptp4l29065-21expr07:20:110
111391220,1ptp4l2355999cyclictest10:58:505
111391220,0ptp4l2239-21smart_sda07:30:180
111391220,0ptp4l0-21swapper/707:20:207
111391220,0ptp4l0-21swapper/611:55:336
111391220,0ptp4l0-21swapper/610:39:266
111391220,0ptp4l0-21swapper/609:42:466
111391220,0ptp4l0-21swapper/512:34:045
111391220,0ptp4l0-21swapper/512:02:525
111391220,0ptp4l0-21swapper/511:55:185
111391220,0ptp4l0-21swapper/511:36:345
111391220,0ptp4l0-21swapper/511:20:525
111391220,0ptp4l0-21swapper/511:08:225
111391220,0ptp4l0-21swapper/510:34:505
111391220,0ptp4l0-21swapper/510:07:235
111391220,0ptp4l0-21swapper/507:15:135
111391220,0ptp4l0-21swapper/411:40:244
111391220,0ptp4l0-21swapper/408:00:114
111391220,0ptp4l0-21swapper/407:50:214
111391220,0ptp4l0-21swapper/407:45:124
111391220,0ptp4l0-21swapper/212:05:212
111391220,0ptp4l0-21swapper/212:05:202
111391220,0ptp4l0-21swapper/210:50:072
111391220,0ptp4l0-21swapper/210:27:162
111391220,0ptp4l0-21swapper/209:42:502
111391220,0ptp4l0-21swapper/112:21:141
111391220,0ptp4l0-21swapper/111:38:201
111391220,0ptp4l0-21swapper/111:20:461
111391220,0ptp4l0-21swapper/111:04:551
111391220,0ptp4l0-21swapper/110:36:361
111391220,0ptp4l0-21swapper/109:52:201
111391220,0ptp4l0-21swapper/109:33:361
111391220,0ptp4l0-21swapper/109:21:081
111391220,0ptp4l0-21swapper/107:35:011
111391220,0ptp4l0-21swapper/012:05:250
111391220,0ptp4l0-21swapper/012:05:250
111391220,0ptp4l0-21swapper/011:43:000
111391220,0ptp4l0-21swapper/011:00:110
111391220,0ptp4l0-21swapper/008:50:130
111391220,0ptp4l0-21swapper/008:40:120
111391220,0ptp4l0-21swapper/008:35:130
111391220,0ptp4l0-21swapper/007:50:010
111391220,0ptp4l0-21swapper/007:45:130
23573992118,1cyclictest14293-21turbostat09:10:007
111391210,0ptp4l0-21swapper/712:25:007
111391210,0ptp4l0-21swapper/710:18:087
111391210,0ptp4l0-21swapper/612:37:046
111391210,0ptp4l0-21swapper/611:22:006
111391210,0ptp4l0-21swapper/610:32:246
111391210,0ptp4l0-21swapper/610:27:186
111391210,0ptp4l0-21swapper/609:32:536
111391210,0ptp4l0-21swapper/512:36:345
111391210,0ptp4l0-21swapper/511:30:575
111391210,0ptp4l0-21swapper/510:22:435
111391210,0ptp4l0-21swapper/509:52:205
111391210,0ptp4l0-21swapper/509:33:025
111391210,0ptp4l0-21swapper/509:16:325
111391210,0ptp4l0-21swapper/508:49:095
111391210,0ptp4l0-21swapper/407:39:524
111391210,0ptp4l0-21swapper/407:16:104
111391210,0ptp4l0-21swapper/407:14:094
111391210,0ptp4l0-21swapper/312:24:473
111391210,0ptp4l0-21swapper/310:18:313
111391210,0ptp4l0-21swapper/310:06:283
111391210,0ptp4l0-21swapper/309:22:383
111391210,0ptp4l0-21swapper/212:37:022
111391210,0ptp4l0-21swapper/209:54:502
111391210,0ptp4l0-21swapper/209:32:522
111391210,0ptp4l0-21swapper/209:22:162
111391210,0ptp4l0-21swapper/112:01:101
111391210,0ptp4l0-21swapper/111:30:281
111391210,0ptp4l0-21swapper/110:47:391
111391210,0ptp4l0-21swapper/110:33:201
111391210,0ptp4l0-21swapper/110:29:381
111391210,0ptp4l0-21swapper/109:57:301
111391210,0ptp4l0-21swapper/109:18:211
111391210,0ptp4l0-21swapper/108:11:191
111391210,0ptp4l0-21swapper/107:55:211
111391210,0ptp4l0-21swapper/008:23:190
111391210,0ptp4l0-21swapper/007:40:100
111391210,0ptp4l0-21swapper/007:17:010
111391200,0ptp4l6497-21ssh11:51:411
111391200,0ptp4l0-21swapper/611:45:066
111391200,0ptp4l0-21swapper/610:49:246
111391200,0ptp4l0-21swapper/610:42:456
111391200,0ptp4l0-21swapper/609:54:596
111391200,0ptp4l0-21swapper/511:47:375
111391200,0ptp4l0-21swapper/510:29:395
111391200,0ptp4l0-21swapper/509:58:275
111391200,0ptp4l0-21swapper/508:02:185
111391200,0ptp4l0-21swapper/507:56:085
111391200,0ptp4l0-21swapper/507:54:185
111391200,0ptp4l0-21swapper/308:27:193
111391200,0ptp4l0-21swapper/211:21:502
111391200,0ptp4l0-21swapper/211:03:062
111391200,0ptp4l0-21swapper/210:41:272
111391200,0ptp4l0-21swapper/209:38:002
111391200,0ptp4l0-21swapper/208:37:092
111391200,0ptp4l0-21swapper/110:40:351
111391200,0ptp4l0-21swapper/109:01:101
111391200,0ptp4l0-21swapper/108:34:101
111391200,0ptp4l0-21swapper/107:47:561
111391190,0ptp4l14290-21diskmemload10:49:232
111391190,0ptp4l0-21swapper/611:19:166
111391190,0ptp4l0-21swapper/610:51:386
111391190,0ptp4l0-21swapper/510:46:205
111391190,0ptp4l0-21swapper/408:45:054
111391190,0ptp4l0-21swapper/211:52:452
111391190,0ptp4l0-21swapper/210:39:272
111391190,0ptp4l0-21swapper/210:32:222
111391190,0ptp4l0-21swapper/207:34:482
111391190,0ptp4l0-21swapper/207:13:182
111391190,0ptp4l0-21swapper/112:10:071
111391190,0ptp4l0-21swapper/110:17:271
111391190,0ptp4l0-21swapper/108:58:181
111391180,0ptp4l0-21swapper/709:22:387
111391180,0ptp4l0-21swapper/609:37:596
111391180,0ptp4l0-21swapper/608:45:196
111391180,0ptp4l0-21swapper/508:54:275
111391180,0ptp4l0-21swapper/408:22:164
111391180,0ptp4l0-21swapper/211:38:042
111391170,0ptp4l0-21swapper/611:03:066
111391170,0ptp4l0-21swapper/510:17:255
111391170,0ptp4l0-21swapper/507:48:145
111391170,0ptp4l0-21swapper/307:10:123
111391170,0ptp4l0-21swapper/209:13:312
111391170,0ptp4l0-21swapper/107:26:121
111391160,0ptp4l0-21swapper/508:33:105
111391160,0ptp4l0-21swapper/508:09:385
111391160,0ptp4l0-21swapper/507:33:365
111391160,0ptp4l0-21swapper/208:45:202
111391160,0ptp4l0-21swapper/108:29:351
111391160,0ptp4l0-21swapper/108:07:201
23573991513,1cyclictest0-21swapper/710:55:127
23573991513,1cyclictest0-21swapper/710:25:127
2356799150,0cyclictest0-21swapper/610:05:156
111391150,0ptp4l0-21swapper/708:26:467
111391150,0ptp4l0-21swapper/707:39:517
111391150,0ptp4l0-21swapper/611:52:446
111391150,0ptp4l0-21swapper/611:38:056
111391150,0ptp4l0-21swapper/609:46:576
111391150,0ptp4l0-21swapper/609:13:326
111391150,0ptp4l0-21swapper/608:37:026
111391150,0ptp4l0-21swapper/608:27:306
111391150,0ptp4l0-21swapper/608:05:306
111391150,0ptp4l0-21swapper/607:34:436
111391150,0ptp4l0-21swapper/607:24:256
111391150,0ptp4l0-21swapper/607:13:236
111391150,0ptp4l0-21swapper/510:43:005
111391150,0ptp4l0-21swapper/508:43:315
111391150,0ptp4l0-21swapper/508:35:295
111391150,0ptp4l0-21swapper/508:25:045
111391150,0ptp4l0-21swapper/508:10:575
111391150,0ptp4l0-21swapper/507:40:215
111391150,0ptp4l0-21swapper/507:22:235
111391150,0ptp4l0-21swapper/507:11:035
111391150,0ptp4l0-21swapper/408:18:594
111391150,0ptp4l0-21swapper/408:05:234
111391150,0ptp4l0-21swapper/308:04:383
111391150,0ptp4l0-21swapper/307:39:503
111391150,0ptp4l0-21swapper/307:20:213
111391150,0ptp4l0-21swapper/208:43:402
111391150,0ptp4l0-21swapper/208:05:292
111391150,0ptp4l0-21swapper/207:24:232
111391150,0ptp4l0-21swapper/108:50:061
111391150,0ptp4l0-21swapper/108:48:191
111391150,0ptp4l0-21swapper/108:41:411
111391150,0ptp4l0-21swapper/108:01:391
111391150,0ptp4l0-21swapper/107:22:221
111391150,0ptp4l0-21swapper/107:11:021
111391150,0ptp4l0-21swapper/008:18:570
111391140,0ptp4l0-21swapper/509:06:075
111391140,0ptp4l0-21swapper/509:01:095
111391140,0ptp4l0-21swapper/507:26:155
111391140,0ptp4l0-21swapper/211:45:052
111391140,0ptp4l0-21swapper/209:08:282
111391140,0ptp4l0-21swapper/208:27:272
111391140,0ptp4l0-21swapper/208:22:052
111391140,0ptp4l0-21swapper/207:37:032
2357399128,3cyclictest0-21swapper/709:16:017
2357399110,1cyclictest5668-21fw_conntrack12:35:117
2357399110,1cyclictest26011-21/usr/sbin/munin09:25:127
2357399110,1cyclictest26011-21/usr/sbin/munin09:25:127
2357399110,1cyclictest21523-21ssh11:29:517
2357399110,1cyclictest18021-21ssh12:07:557
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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