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2026-07-16 - 20:02

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 Jul 16, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
134882610,0sleep60-21swapper/610:35:146
111391600,5ptp4l0-21swapper/407:07:344
2034625949,6sleep70-21swapper/707:07:137
179422580,0sleep50-21swapper/510:40:175
108552560,0sleep70-21swapper/707:55:197
108552560,0sleep70-21swapper/707:55:197
1881915432,7phc2sys0-21swapper/107:09:071
2023525331,7sleep50-21swapper/507:05:445
111391530,5ptp4l0-21swapper/007:05:160
2056825241,6sleep20-21swapper/207:09:582
1867025130,7sleep30-21swapper/307:05:093
2027224635,6sleep60-21swapper/607:06:166
111391350,0ptp4l0-21swapper/012:15:160
111391340,0ptp4l0-21swapper/009:05:200
111391330,1ptp4l32647-21ssh11:41:181
2086999320,0cyclictest0-21swapper/512:10:355
111391320,0ptp4l0-21swapper/510:32:475
111391320,0ptp4l0-21swapper/510:32:475
111391300,0ptp4l0-21swapper/510:23:555
111391300,0ptp4l0-21swapper/509:35:235
111391300,0ptp4l0-21swapper/012:10:220
111391290,5ptp4l0-21swapper/510:57:135
111391290,0ptp4l0-21swapper/712:20:577
111391290,0ptp4l0-21swapper/411:26:164
111391290,0ptp4l0-21swapper/409:47:114
111391290,0ptp4l0-21swapper/311:24:393
111391290,0ptp4l0-21swapper/212:17:182
111391290,0ptp4l0-21swapper/110:41:331
111391290,0ptp4l0-21swapper/108:35:171
111391290,0ptp4l0-21swapper/012:21:300
111391290,0ptp4l0-21swapper/011:28:330
111391290,0ptp4l0-21swapper/011:12:400
111391290,0ptp4l0-21swapper/010:40:470
111391290,0ptp4l0-21swapper/009:24:210
111391280,3ptp4l0-21swapper/009:40:190
111391280,1ptp4l16181-21latency11:20:150
111391280,0ptp4l0-21swapper/509:46:565
111391280,0ptp4l0-21swapper/412:13:564
111391280,0ptp4l0-21swapper/409:10:544
111391280,0ptp4l0-21swapper/111:34:311
111391280,0ptp4l0-21swapper/107:55:211
111391280,0ptp4l0-21swapper/107:55:201
111391280,0ptp4l0-21swapper/011:53:090
111391280,0ptp4l0-21swapper/011:31:480
111391280,0ptp4l0-21swapper/010:49:540
111391280,0ptp4l0-21swapper/010:30:160
111391280,0ptp4l0-21swapper/010:30:160
111391280,0ptp4l0-21swapper/007:24:190
111391270,0ptp4l0-21swapper/612:17:206
111391270,0ptp4l0-21swapper/511:50:085
111391270,0ptp4l0-21swapper/412:35:484
111391270,0ptp4l0-21swapper/411:48:254
111391270,0ptp4l0-21swapper/411:35:084
111391270,0ptp4l0-21swapper/410:59:004
111391270,0ptp4l0-21swapper/410:44:184
111391270,0ptp4l0-21swapper/311:25:183
111391270,0ptp4l0-21swapper/109:54:431
111391270,0ptp4l0-21swapper/012:30:160
111391270,0ptp4l0-21swapper/011:55:150
111391270,0ptp4l0-21swapper/011:49:170
111391270,0ptp4l0-21swapper/009:35:420
111391270,0ptp4l0-21swapper/009:29:030
111391260,1ptp4l25-21ksoftirqd/107:45:011
111391260,1ptp4l18296-21sh11:23:527
111391260,1ptp4l0-21swapper/010:53:240
111391260,0ptp4l11594-21diskmemload10:04:350
111391260,0ptp4l0-21swapper/511:21:255
111391260,0ptp4l0-21swapper/510:06:215
111391260,0ptp4l0-21swapper/412:31:344
111391260,0ptp4l0-21swapper/412:02:514
111391260,0ptp4l0-21swapper/411:50:454
111391260,0ptp4l0-21swapper/411:05:044
111391260,0ptp4l0-21swapper/410:49:094
111391260,0ptp4l0-21swapper/409:16:144
111391260,0ptp4l0-21swapper/408:30:134
111391260,0ptp4l0-21swapper/112:22:451
111391260,0ptp4l0-21swapper/111:21:141
111391260,0ptp4l0-21swapper/111:18:181
111391260,0ptp4l0-21swapper/012:37:050
111391260,0ptp4l0-21swapper/008:00:210
111391250,1ptp4l2139-21irqrtprio10:20:164
111391250,1ptp4l12330-21fw_forwarded_lo09:10:110
111391250,0ptp4l0-21swapper/511:34:335
111391250,0ptp4l0-21swapper/510:04:115
111391250,0ptp4l0-21swapper/507:20:195
111391250,0ptp4l0-21swapper/409:50:114
111391250,0ptp4l0-21swapper/409:23:534
111391250,0ptp4l0-21swapper/212:32:362
111391250,0ptp4l0-21swapper/012:05:260
111391250,0ptp4l0-21swapper/011:35:470
111391250,0ptp4l0-21swapper/011:05:550
111391250,0ptp4l0-21swapper/011:04:490
111391250,0ptp4l0-21swapper/010:59:140
111391250,0ptp4l0-21swapper/010:20:380
111391250,0ptp4l0-21swapper/009:59:470
111391250,0ptp4l0-21swapper/007:30:090
111391240,5ptp4l6544-21kworker/0:010:19:560
111391240,2ptp4l0-21swapper/109:17:401
111391240,1ptp4l6426-21sensors07:45:191
111391240,1ptp4l31459-21latency11:40:160
111391240,1ptp4l24570-21irqstats07:15:140
111391240,1ptp4l21214-21expr07:10:127
111391240,1ptp4l20042-21/usr/sbin/munin09:20:126
111391240,1ptp4l0-21swapper/509:14:365
111391240,0ptp4l430-21/usr/sbin/munin12:25:144
111391240,0ptp4l30011-21vmstat10:55:211
111391240,0ptp4l0-21swapper/709:55:177
111391240,0ptp4l0-21swapper/512:23:065
111391240,0ptp4l0-21swapper/511:46:295
111391240,0ptp4l0-21swapper/511:16:325
111391240,0ptp4l0-21swapper/510:39:205
111391240,0ptp4l0-21swapper/510:25:195
111391240,0ptp4l0-21swapper/510:10:155
111391240,0ptp4l0-21swapper/507:40:135
111391240,0ptp4l0-21swapper/412:06:114
111391240,0ptp4l0-21swapper/411:17:594
111391240,0ptp4l0-21swapper/411:10:134
111391240,0ptp4l0-21swapper/410:51:584
111391240,0ptp4l0-21swapper/409:40:184
111391240,0ptp4l0-21swapper/409:30:044
111391240,0ptp4l0-21swapper/408:50:194
111391240,0ptp4l0-21swapper/408:25:134
111391240,0ptp4l0-21swapper/408:20:294
111391240,0ptp4l0-21swapper/408:00:144
111391240,0ptp4l0-21swapper/309:55:193
111391240,0ptp4l0-21swapper/112:35:111
111391240,0ptp4l0-21swapper/111:06:341
111391240,0ptp4l0-21swapper/012:29:490
111391240,0ptp4l0-21swapper/011:15:540
111391240,0ptp4l0-21swapper/010:35:240
111391240,0ptp4l0-21swapper/010:27:370
111391240,0ptp4l0-21swapper/008:45:120
111391240,0ptp4l0-21swapper/007:35:130
2086999230,1cyclictest0-21swapper/512:01:535
2086999230,0cyclictest0-21swapper/512:18:015
111391230,1ptp4l33-21ksoftirqd/211:52:542
111391230,1ptp4l21857-21ssh09:20:515
111391230,1ptp4l19275-21memory10:00:161
111391230,0ptp4l25-21ksoftirqd/109:00:191
111391230,0ptp4l0-21swapper/712:33:287
111391230,0ptp4l0-21swapper/711:25:167
111391230,0ptp4l0-21swapper/512:35:135
111391230,0ptp4l0-21swapper/512:30:135
111391230,0ptp4l0-21swapper/512:26:575
111391230,0ptp4l0-21swapper/511:13:215
111391230,0ptp4l0-21swapper/511:09:065
111391230,0ptp4l0-21swapper/510:15:115
111391230,0ptp4l0-21swapper/509:05:005
111391230,0ptp4l0-21swapper/507:55:235
111391230,0ptp4l0-21swapper/507:55:225
111391230,0ptp4l0-21swapper/507:50:085
111391230,0ptp4l0-21swapper/507:25:115
111391230,0ptp4l0-21swapper/507:15:125
111391230,0ptp4l0-21swapper/412:21:584
111391230,0ptp4l0-21swapper/412:15:114
111391230,0ptp4l0-21swapper/411:55:114
111391230,0ptp4l0-21swapper/411:40:214
111391230,0ptp4l0-21swapper/411:31:394
111391230,0ptp4l0-21swapper/411:20:054
111391230,0ptp4l0-21swapper/411:00:164
111391230,0ptp4l0-21swapper/410:35:184
111391230,0ptp4l0-21swapper/410:30:594
111391230,0ptp4l0-21swapper/410:30:584
111391230,0ptp4l0-21swapper/410:25:134
111391230,0ptp4l0-21swapper/410:13:034
111391230,0ptp4l0-21swapper/410:01:034
111391230,0ptp4l0-21swapper/409:59:324
111391230,0ptp4l0-21swapper/409:35:164
111391230,0ptp4l0-21swapper/409:28:004
111391230,0ptp4l0-21swapper/409:05:184
111391230,0ptp4l0-21swapper/408:55:134
111391230,0ptp4l0-21swapper/408:40:154
111391230,0ptp4l0-21swapper/408:15:184
111391230,0ptp4l0-21swapper/408:10:194
111391230,0ptp4l0-21swapper/407:55:184
111391230,0ptp4l0-21swapper/407:55:184
111391230,0ptp4l0-21swapper/407:50:134
111391230,0ptp4l0-21swapper/407:15:154
111391230,0ptp4l0-21swapper/312:33:523
111391230,0ptp4l0-21swapper/312:19:543
111391230,0ptp4l0-21swapper/307:10:143
111391230,0ptp4l0-21swapper/210:59:292
111391230,0ptp4l0-21swapper/112:30:211
111391230,0ptp4l0-21swapper/112:27:041
111391230,0ptp4l0-21swapper/112:02:181
111391230,0ptp4l0-21swapper/111:50:151
111391230,0ptp4l0-21swapper/111:25:471
111391230,0ptp4l0-21swapper/110:39:101
111391230,0ptp4l0-21swapper/110:26:151
111391230,0ptp4l0-21swapper/110:15:181
111391230,0ptp4l0-21swapper/110:07:311
111391230,0ptp4l0-21swapper/109:45:121
111391230,0ptp4l0-21swapper/109:35:191
111391230,0ptp4l0-21swapper/109:34:261
111391230,0ptp4l0-21swapper/108:55:171
111391230,0ptp4l0-21swapper/108:40:001
111391230,0ptp4l0-21swapper/108:25:181
111391230,0ptp4l0-21swapper/107:35:131
111391230,0ptp4l0-21swapper/107:30:101
111391230,0ptp4l0-21swapper/107:25:131
111391230,0ptp4l0-21swapper/107:20:151
111391230,0ptp4l0-21swapper/012:00:140
111391230,0ptp4l0-21swapper/010:10:110
111391230,0ptp4l0-21swapper/010:05:180
111391230,0ptp4l0-21swapper/009:45:160
111391230,0ptp4l0-21swapper/009:30:190
111391230,0ptp4l0-21swapper/009:15:160
111391230,0ptp4l0-21swapper/008:50:190
111391230,0ptp4l0-21swapper/008:40:170
111391230,0ptp4l0-21swapper/008:30:100
111391230,0ptp4l0-21swapper/008:25:120
111391230,0ptp4l0-21swapper/008:25:010
111391230,0ptp4l0-21swapper/008:10:210
111391220,0ptp4l0-21swapper/712:19:547
111391220,0ptp4l0-21swapper/612:12:586
111391220,0ptp4l0-21swapper/611:44:266
111391220,0ptp4l0-21swapper/611:02:176
111391220,0ptp4l0-21swapper/512:08:515
111391220,0ptp4l0-21swapper/511:55:345
111391220,0ptp4l0-21swapper/511:41:285
111391220,0ptp4l0-21swapper/511:37:385
111391220,0ptp4l0-21swapper/511:27:425
111391220,0ptp4l0-21swapper/509:52:485
111391220,0ptp4l0-21swapper/509:41:245
111391220,0ptp4l0-21swapper/509:33:455
111391220,0ptp4l0-21swapper/509:27:005
111391220,0ptp4l0-21swapper/509:15:055
111391220,0ptp4l0-21swapper/509:00:005
111391220,0ptp4l0-21swapper/508:55:175
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/508:35:195
111391220,0ptp4l0-21swapper/507:45:205
111391220,0ptp4l0-21swapper/507:35:195
111391220,0ptp4l0-21swapper/410:17:304
111391220,0ptp4l0-21swapper/410:05:154
111391220,0ptp4l0-21swapper/409:00:134
111391220,0ptp4l0-21swapper/408:45:194
111391220,0ptp4l0-21swapper/408:05:174
111391220,0ptp4l0-21swapper/407:35:154
111391220,0ptp4l0-21swapper/407:30:174
111391220,0ptp4l0-21swapper/407:21:524
111391220,0ptp4l0-21swapper/312:20:183
111391220,0ptp4l0-21swapper/311:05:333
111391220,0ptp4l0-21swapper/211:44:232
111391220,0ptp4l0-21swapper/209:32:382
111391220,0ptp4l0-21swapper/209:20:202
111391220,0ptp4l0-21swapper/112:11:451
111391220,0ptp4l0-21swapper/112:07:451
111391220,0ptp4l0-21swapper/111:55:331
111391220,0ptp4l0-21swapper/111:45:111
111391220,0ptp4l0-21swapper/111:12:141
111391220,0ptp4l0-21swapper/111:00:521
111391220,0ptp4l0-21swapper/110:54:561
111391220,0ptp4l0-21swapper/110:33:061
111391220,0ptp4l0-21swapper/110:33:061
111391220,0ptp4l0-21swapper/110:23:451
111391220,0ptp4l0-21swapper/110:10:141
111391220,0ptp4l0-21swapper/109:58:411
111391220,0ptp4l0-21swapper/109:41:531
111391220,0ptp4l0-21swapper/109:25:381
111391220,0ptp4l0-21swapper/109:20:551
111391220,0ptp4l0-21swapper/109:10:201
111391220,0ptp4l0-21swapper/109:05:101
111391220,0ptp4l0-21swapper/108:20:031
111391220,0ptp4l0-21swapper/108:00:181
111391220,0ptp4l0-21swapper/009:50:090
111391220,0ptp4l0-21swapper/008:55:170
111391220,0ptp4l0-21swapper/008:15:000
111391220,0ptp4l0-21swapper/008:05:120
111391220,0ptp4l0-21swapper/007:55:170
111391220,0ptp4l0-21swapper/007:55:160
111391220,0ptp4l0-21swapper/007:50:140
111391210,1ptp4l8605-21ssh10:29:056
111391210,0ptp4l5474-21ssh11:05:427
111391210,0ptp4l0-21swapper/612:32:376
111391210,0ptp4l0-21swapper/611:52:566
111391210,0ptp4l0-21swapper/610:34:106
111391210,0ptp4l0-21swapper/610:34:096
111391210,0ptp4l0-21swapper/610:21:086
111391210,0ptp4l0-21swapper/609:32:406
111391210,0ptp4l0-21swapper/511:02:025
111391210,0ptp4l0-21swapper/508:00:195
111391210,0ptp4l0-21swapper/210:21:032
111391210,0ptp4l0-21swapper/209:46:002
111391210,0ptp4l0-21swapper/112:16:011
111391210,0ptp4l0-21swapper/111:39:061
111391210,0ptp4l0-21swapper/108:53:271
111391210,0ptp4l0-21swapper/108:47:281
111391210,0ptp4l0-21swapper/108:16:281
111391210,0ptp4l0-21swapper/107:54:201
111391210,0ptp4l0-21swapper/107:17:281
111391210,0ptp4l0-21swapper/009:00:120
111391200,0ptp4l0-21swapper/610:59:286
111391200,0ptp4l0-21swapper/608:04:186
111391200,0ptp4l0-21swapper/510:48:075
111391200,0ptp4l0-21swapper/509:58:395
111391200,0ptp4l0-21swapper/508:53:535
111391200,0ptp4l0-21swapper/507:13:185
111391200,0ptp4l0-21swapper/408:38:234
111391200,0ptp4l0-21swapper/407:49:004
111391200,0ptp4l0-21swapper/407:41:284
111391200,0ptp4l0-21swapper/210:29:042
111391200,0ptp4l0-21swapper/209:52:522
111391200,0ptp4l0-21swapper/209:41:152
111391200,0ptp4l0-21swapper/108:11:301
111391200,0ptp4l0-21swapper/008:35:020
111391200,0ptp4l0-21swapper/007:48:400
111391190,0ptp4l0-21swapper/608:23:296
111391190,0ptp4l0-21swapper/508:29:355
111391190,0ptp4l0-21swapper/307:57:283
111391190,0ptp4l0-21swapper/307:57:273
111391190,0ptp4l0-21swapper/212:13:082
111391190,0ptp4l0-21swapper/210:30:312
111391190,0ptp4l0-21swapper/210:30:312
111391190,0ptp4l0-21swapper/210:06:432
111391180,0ptp4l0-21swapper/508:22:305
111391180,0ptp4l0-21swapper/407:14:144
111391180,0ptp4l0-21swapper/110:48:091
111391180,0ptp4l0-21swapper/007:13:290
111391170,0ptp4l0-21swapper/211:09:432
111391170,0ptp4l0-21swapper/211:01:162
111391170,0ptp4l0-21swapper/007:29:430
111391160,0ptp4l0-21swapper/610:06:446
111391160,0ptp4l0-21swapper/508:19:435
111391160,0ptp4l0-21swapper/508:12:395
111391160,0ptp4l0-21swapper/407:27:474
111391160,0ptp4l0-21swapper/208:49:302
111391150,1ptp4l65-21ksoftirqd/611:09:426
111391150,0ptp4l0-21swapper/609:40:516
111391150,0ptp4l0-21swapper/609:01:316
111391150,0ptp4l0-21swapper/608:52:496
111391150,0ptp4l0-21swapper/608:45:546
111391150,0ptp4l0-21swapper/608:41:596
111391150,0ptp4l0-21swapper/608:39:296
111391150,0ptp4l0-21swapper/608:31:026
111391150,0ptp4l0-21swapper/608:08:426
111391150,0ptp4l0-21swapper/607:14:046
111391150,0ptp4l0-21swapper/510:54:575
111391150,0ptp4l0-21swapper/508:47:295
111391150,0ptp4l0-21swapper/508:06:265
111391150,0ptp4l0-21swapper/507:30:225
111391150,0ptp4l0-21swapper/210:19:032
111391150,0ptp4l0-21swapper/209:01:342
111391150,0ptp4l0-21swapper/208:39:302
111391150,0ptp4l0-21swapper/208:23:252
111391150,0ptp4l0-21swapper/208:04:142
111391150,0ptp4l0-21swapper/207:33:262
111391150,0ptp4l0-21swapper/207:15:572
111391150,0ptp4l0-21swapper/108:06:241
111391150,0ptp4l0-21swapper/107:13:491
111391150,0ptp4l0-21swapper/007:40:580
111391140,0ptp4l0-21swapper/610:19:036
111391140,0ptp4l0-21swapper/609:07:476
111391140,0ptp4l0-21swapper/608:17:376
111391140,0ptp4l0-21swapper/607:52:216
111391140,0ptp4l0-21swapper/607:32:296
111391140,0ptp4l0-21swapper/607:15:506
111391140,0ptp4l0-21swapper/210:01:002
111391140,0ptp4l0-21swapper/209:07:462
111391140,0ptp4l0-21swapper/208:52:492
111391140,0ptp4l0-21swapper/208:41:562
111391140,0ptp4l0-21swapper/208:31:032
111391140,0ptp4l0-21swapper/208:08:392
111391140,0ptp4l0-21swapper/207:52:192
111391140,0ptp4l0-21swapper/207:14:032
2088499110,10cyclictest811-21rm09:35:207
2087699119,1cyclictest18033-21turbostat10:00:006
2087699111,2cyclictest0-21swapper/607:45:136
2086999111,0cyclictest0-21swapper/508:31:595
2085699119,1cyclictest0-21swapper/309:48:323
2085699119,1cyclictest0-21swapper/309:25:183
2085699110,10cyclictest0-21swapper/312:25:043
2085699110,10cyclictest0-21swapper/311:01:463
2085699110,10cyclictest0-21swapper/310:21:143
2087699109,0cyclictest0-21swapper/611:32:366
2087699109,0cyclictest0-21swapper/609:47:576
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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