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2025-11-23 - 20:21

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 Sun Nov 23, 2025 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3130126333,25sleep30-21swapper/307:09:153
3125626252,6sleep70-21swapper/707:08:397
114091620,5ptp4l0-21swapper/107:07:201
114091620,30ptp4l0-21swapper/007:05:340
3100326050,6sleep60-21swapper/607:05:256
171942590,2sleep33165299cyclictest07:45:183
3132625747,6sleep20-21swapper/207:09:312
114091560,5ptp4l0-21swapper/407:06:124
192562540,0sleep30-21swapper/311:55:193
114091500,4ptp4l0-21swapper/507:07:045
114091340,0ptp4l0-21swapper/012:00:200
3166699330,3cyclictest0-21swapper/508:34:135
3166699330,3cyclictest0-21swapper/508:34:125
114091330,0ptp4l12070-21irqrtprio07:35:141
114091310,4ptp4l0-21swapper/207:20:002
114091310,0ptp4l14863-21ssh12:35:152
114091310,0ptp4l0-21swapper/512:10:155
114091310,0ptp4l0-21swapper/511:20:185
114091310,0ptp4l0-21swapper/410:00:114
114091310,0ptp4l0-21swapper/107:40:131
114091300,0ptp4l0-21swapper/610:40:186
114091300,0ptp4l0-21swapper/609:35:196
114091300,0ptp4l0-21swapper/509:25:205
114091300,0ptp4l0-21swapper/011:31:300
114091290,4ptp4l0-21swapper/510:55:085
114091290,4ptp4l0-21swapper/112:14:161
114091290,2ptp4l0-21swapper/009:40:140
114091290,0ptp4l22496-21diskmemload10:54:271
114091290,0ptp4l0-21swapper/511:15:145
114091290,0ptp4l0-21swapper/511:14:185
114091290,0ptp4l0-21swapper/509:58:095
114091290,0ptp4l0-21swapper/509:15:165
114091290,0ptp4l0-21swapper/411:55:104
114091290,0ptp4l0-21swapper/411:23:324
114091290,0ptp4l0-21swapper/209:52:102
114091290,0ptp4l0-21swapper/110:10:011
114091280,0ptp4l0-21swapper/612:08:416
114091280,0ptp4l0-21swapper/610:34:296
114091280,0ptp4l0-21swapper/512:31:225
114091280,0ptp4l0-21swapper/511:44:535
114091280,0ptp4l0-21swapper/510:47:155
114091280,0ptp4l0-21swapper/509:46:545
114091280,0ptp4l0-21swapper/508:37:165
114091280,0ptp4l0-21swapper/411:29:134
114091280,0ptp4l0-21swapper/409:45:254
114091280,0ptp4l0-21swapper/409:27:494
114091280,0ptp4l0-21swapper/210:08:472
114091280,0ptp4l0-21swapper/112:15:581
114091280,0ptp4l0-21swapper/111:08:211
114091280,0ptp4l0-21swapper/111:08:201
114091280,0ptp4l0-21swapper/109:49:001
114091280,0ptp4l0-21swapper/010:28:170
114091280,0ptp4l0-21swapper/009:10:180
114091270,0ptp4l0-21swapper/609:51:346
114091270,0ptp4l0-21swapper/511:01:005
114091270,0ptp4l0-21swapper/409:54:434
114091270,0ptp4l0-21swapper/112:07:281
114091270,0ptp4l0-21swapper/112:00:561
114091270,0ptp4l0-21swapper/109:31:431
114091270,0ptp4l0-21swapper/011:51:550
114091270,0ptp4l0-21swapper/010:36:220
114091270,0ptp4l0-21swapper/009:53:510
114091260,4ptp4l0-21swapper/512:02:085
114091260,1ptp4l26863-21/usr/sbin/munin09:15:191
114091260,0ptp4l0-21swapper/709:23:567
114091260,0ptp4l0-21swapper/511:50:015
114091260,0ptp4l0-21swapper/507:45:185
114091260,0ptp4l0-21swapper/412:39:594
114091260,0ptp4l0-21swapper/310:02:013
114091260,0ptp4l0-21swapper/211:32:012
114091260,0ptp4l0-21swapper/208:25:162
114091260,0ptp4l0-21swapper/112:20:411
114091260,0ptp4l0-21swapper/111:59:091
114091260,0ptp4l0-21swapper/111:39:191
114091260,0ptp4l0-21swapper/110:55:101
114091260,0ptp4l0-21swapper/110:27:271
114091260,0ptp4l0-21swapper/109:58:421
114091260,0ptp4l0-21swapper/109:10:141
114091260,0ptp4l0-21swapper/011:10:560
114091260,0ptp4l0-21swapper/009:36:020
114091260,0ptp4l0-21swapper/009:21:180
114091250,2ptp4l0-21swapper/511:58:535
114091250,1ptp4l2626-21ssh10:50:205
114091250,0ptp4l0-21swapper/709:56:417
114091250,0ptp4l0-21swapper/612:16:366
114091250,0ptp4l0-21swapper/610:38:346
114091250,0ptp4l0-21swapper/610:27:366
114091250,0ptp4l0-21swapper/610:08:546
114091250,0ptp4l0-21swapper/607:30:166
114091250,0ptp4l0-21swapper/512:38:585
114091250,0ptp4l0-21swapper/510:31:445
114091250,0ptp4l0-21swapper/510:26:115
114091250,0ptp4l0-21swapper/510:07:285
114091250,0ptp4l0-21swapper/509:31:545
114091250,0ptp4l0-21swapper/410:21:554
114091250,0ptp4l0-21swapper/409:41:084
114091250,0ptp4l0-21swapper/409:15:124
114091250,0ptp4l0-21swapper/210:03:512
114091250,0ptp4l0-21swapper/209:34:592
114091250,0ptp4l0-21swapper/111:53:151
114091250,0ptp4l0-21swapper/111:40:451
114091250,0ptp4l0-21swapper/108:55:011
114091250,0ptp4l0-21swapper/010:15:070
114091250,0ptp4l0-21swapper/010:00:110
114091250,0ptp4l0-21swapper/009:30:210
114091240,2ptp4l12139-21cat08:45:171
114091240,1ptp4l7541-21fw_forwarded_lo12:25:100
114091240,1ptp4l31004-21fw_conntrack09:20:115
114091240,1ptp4l28873-21find08:10:205
114091240,1ptp4l19378-21sensors09:00:191
114091240,0ptp4l0-21swapper/512:21:285
114091240,0ptp4l0-21swapper/511:09:525
114091240,0ptp4l0-21swapper/511:09:515
114091240,0ptp4l0-21swapper/510:35:175
114091240,0ptp4l0-21swapper/509:10:495
114091240,0ptp4l0-21swapper/412:25:194
114091240,0ptp4l0-21swapper/410:12:134
114091240,0ptp4l0-21swapper/210:34:442
114091240,0ptp4l0-21swapper/208:15:002
114091240,0ptp4l0-21swapper/111:20:191
114091240,0ptp4l0-21swapper/111:19:391
114091240,0ptp4l0-21swapper/111:12:181
114091240,0ptp4l0-21swapper/111:03:491
114091240,0ptp4l0-21swapper/011:39:370
114091240,0ptp4l0-21swapper/007:40:170
114091230,3ptp4l0-21swapper/509:00:335
114091230,1ptp4l1260-21/usr/sbin/munin12:15:194
114091230,0ptp4l4213-21ssh09:26:590
114091230,0ptp4l0-21swapper/711:25:127
114091230,0ptp4l0-21swapper/611:35:156
114091230,0ptp4l0-21swapper/610:47:526
114091230,0ptp4l0-21swapper/609:34:336
114091230,0ptp4l0-21swapper/608:20:156
114091230,0ptp4l0-21swapper/607:10:136
114091230,0ptp4l0-21swapper/512:05:125
114091230,0ptp4l0-21swapper/511:50:155
114091230,0ptp4l0-21swapper/511:30:175
114091230,0ptp4l0-21swapper/510:23:515
114091230,0ptp4l0-21swapper/510:10:135
114091230,0ptp4l0-21swapper/510:00:485
114091230,0ptp4l0-21swapper/509:36:305
114091230,0ptp4l0-21swapper/508:50:135
114091230,0ptp4l0-21swapper/508:40:125
114091230,0ptp4l0-21swapper/507:15:005
114091230,0ptp4l0-21swapper/412:32:204
114091230,0ptp4l0-21swapper/411:05:124
114091230,0ptp4l0-21swapper/411:05:124
114091230,0ptp4l0-21swapper/410:17:394
114091230,0ptp4l0-21swapper/408:15:154
114091230,0ptp4l0-21swapper/408:05:154
114091230,0ptp4l0-21swapper/407:55:174
114091230,0ptp4l0-21swapper/212:04:172
114091230,0ptp4l0-21swapper/211:35:202
114091230,0ptp4l0-21swapper/209:35:132
114091230,0ptp4l0-21swapper/208:20:202
114091230,0ptp4l0-21swapper/207:10:142
114091230,0ptp4l0-21swapper/112:30:011
114091230,0ptp4l0-21swapper/111:45:051
114091230,0ptp4l0-21swapper/110:45:191
114091230,0ptp4l0-21swapper/110:40:131
114091230,0ptp4l0-21swapper/110:35:161
114091230,0ptp4l0-21swapper/110:15:141
114091230,0ptp4l0-21swapper/109:41:351
114091230,0ptp4l0-21swapper/109:38:421
114091230,0ptp4l0-21swapper/109:20:151
114091230,0ptp4l0-21swapper/108:40:121
114091230,0ptp4l0-21swapper/108:35:161
114091230,0ptp4l0-21swapper/108:10:141
114091230,0ptp4l0-21swapper/108:00:191
114091230,0ptp4l0-21swapper/107:50:191
114091230,0ptp4l0-21swapper/107:45:121
114091230,0ptp4l0-21swapper/107:27:151
114091230,0ptp4l0-21swapper/012:05:200
114091230,0ptp4l0-21swapper/010:48:530
114091230,0ptp4l0-21swapper/010:41:580
114091230,0ptp4l0-21swapper/007:55:210
114091220,1ptp4l57-21ksoftirqd/511:36:545
114091220,0ptp4l2142-21ssh10:07:061
114091220,0ptp4l0-21swapper/710:01:217
114091220,0ptp4l0-21swapper/612:35:126
114091220,0ptp4l0-21swapper/612:04:196
114091220,0ptp4l0-21swapper/610:21:176
114091220,0ptp4l0-21swapper/610:00:206
114091220,0ptp4l0-21swapper/608:25:076
114091220,0ptp4l0-21swapper/512:25:015
114091220,0ptp4l0-21swapper/512:15:135
114091220,0ptp4l0-21swapper/511:25:325
114091220,0ptp4l0-21swapper/510:42:285
114091220,0ptp4l0-21swapper/510:15:135
114091220,0ptp4l0-21swapper/509:50:245
114091220,0ptp4l0-21swapper/509:05:145
114091220,0ptp4l0-21swapper/508:55:115
114091220,0ptp4l0-21swapper/508:00:205
114091220,0ptp4l0-21swapper/507:50:185
114091220,0ptp4l0-21swapper/507:35:105
114091220,0ptp4l0-21swapper/507:25:175
114091220,0ptp4l0-21swapper/507:13:285
114091220,0ptp4l0-21swapper/412:06:524
114091220,0ptp4l0-21swapper/412:04:464
114091220,0ptp4l0-21swapper/411:51:134
114091220,0ptp4l0-21swapper/411:47:064
114091220,0ptp4l0-21swapper/411:32:064
114091220,0ptp4l0-21swapper/411:19:194
114091220,0ptp4l0-21swapper/411:11:104
114091220,0ptp4l0-21swapper/411:00:124
114091220,0ptp4l0-21swapper/410:52:264
114091220,0ptp4l0-21swapper/410:32:174
114091220,0ptp4l0-21swapper/410:25:174
114091220,0ptp4l0-21swapper/409:55:214
114091220,0ptp4l0-21swapper/409:39:444
114091220,0ptp4l0-21swapper/409:30:154
114091220,0ptp4l0-21swapper/409:20:204
114091220,0ptp4l0-21swapper/409:10:044
114091220,0ptp4l0-21swapper/408:55:204
114091220,0ptp4l0-21swapper/407:20:124
114091220,0ptp4l0-21swapper/310:52:573
114091220,0ptp4l0-21swapper/309:24:073
114091220,0ptp4l0-21swapper/308:04:093
114091220,0ptp4l0-21swapper/212:34:452
114091220,0ptp4l0-21swapper/211:57:442
114091220,0ptp4l0-21swapper/211:21:122
114091220,0ptp4l0-21swapper/211:17:312
114091220,0ptp4l0-21swapper/210:47:492
114091220,0ptp4l0-21swapper/210:40:142
114091220,0ptp4l0-21swapper/210:39:082
114091220,0ptp4l0-21swapper/210:29:172
114091220,0ptp4l0-21swapper/210:13:032
114091220,0ptp4l0-21swapper/208:57:162
114091220,0ptp4l0-21swapper/207:30:112
114091220,0ptp4l0-21swapper/112:37:311
114091220,0ptp4l0-21swapper/112:26:031
114091220,0ptp4l0-21swapper/111:30:161
114091220,0ptp4l0-21swapper/111:25:541
114091220,0ptp4l0-21swapper/110:31:371
114091220,0ptp4l0-21swapper/110:20:041
114091220,0ptp4l0-21swapper/110:02:491
114091220,0ptp4l0-21swapper/109:50:221
114091220,0ptp4l0-21swapper/109:25:191
114091220,0ptp4l0-21swapper/109:05:171
114091220,0ptp4l0-21swapper/108:55:131
114091220,0ptp4l0-21swapper/108:30:121
114091220,0ptp4l0-21swapper/108:30:121
114091220,0ptp4l0-21swapper/108:05:111
114091220,0ptp4l0-21swapper/107:15:121
114091220,0ptp4l0-21swapper/012:37:400
114091220,0ptp4l0-21swapper/012:24:170
114091220,0ptp4l0-21swapper/011:46:000
114091220,0ptp4l0-21swapper/011:40:570
114091220,0ptp4l0-21swapper/011:25:190
114091220,0ptp4l0-21swapper/011:21:420
114091220,0ptp4l0-21swapper/011:15:160
114091220,0ptp4l0-21swapper/010:54:080
114091220,0ptp4l0-21swapper/010:14:080
114091220,0ptp4l0-21swapper/010:07:590
114091220,0ptp4l0-21swapper/009:45:150
114091220,0ptp4l0-21swapper/009:15:120
114091220,0ptp4l0-21swapper/008:55:170
114091220,0ptp4l0-21swapper/008:51:370
114091220,0ptp4l0-21swapper/008:36:190
114091220,0ptp4l0-21swapper/008:26:320
114091220,0ptp4l0-21swapper/008:15:130
114091220,0ptp4l0-21swapper/008:10:540
114091220,0ptp4l0-21swapper/007:45:220
114091220,0ptp4l0-21swapper/007:20:160
114091210,0ptp4l0-21swapper/709:25:017
114091210,0ptp4l0-21swapper/612:34:496
114091210,0ptp4l0-21swapper/611:57:456
114091210,0ptp4l0-21swapper/611:34:426
114091210,0ptp4l0-21swapper/611:21:186
114091210,0ptp4l0-21swapper/610:12:446
114091210,0ptp4l0-21swapper/607:56:266
114091210,0ptp4l0-21swapper/607:39:036
114091210,0ptp4l0-21swapper/509:40:435
114091210,0ptp4l0-21swapper/508:45:225
114091210,0ptp4l0-21swapper/508:26:505
114091210,0ptp4l0-21swapper/508:08:325
114091210,0ptp4l0-21swapper/507:55:005
114091210,0ptp4l0-21swapper/507:44:235
114091210,0ptp4l0-21swapper/412:20:334
114091210,0ptp4l0-21swapper/411:40:354
114091210,0ptp4l0-21swapper/411:37:534
114091210,0ptp4l0-21swapper/410:55:504
114091210,0ptp4l0-21swapper/410:45:414
114091210,0ptp4l0-21swapper/410:40:114
114091210,0ptp4l0-21swapper/410:38:304
114091210,0ptp4l0-21swapper/410:06:574
114091210,0ptp4l0-21swapper/408:41:164
114091210,0ptp4l0-21swapper/408:39:194
114091210,0ptp4l0-21swapper/407:38:164
114091210,0ptp4l0-21swapper/407:15:184
114091210,0ptp4l0-21swapper/311:25:143
114091210,0ptp4l0-21swapper/309:55:343
114091210,0ptp4l0-21swapper/212:16:572
114091210,0ptp4l0-21swapper/212:07:572
114091210,0ptp4l0-21swapper/210:58:102
114091210,0ptp4l0-21swapper/210:20:542
114091210,0ptp4l0-21swapper/210:16:182
114091210,0ptp4l0-21swapper/209:41:352
114091210,0ptp4l0-21swapper/108:26:071
114091210,0ptp4l0-21swapper/107:59:531
114091210,0ptp4l0-21swapper/107:33:221
114091210,0ptp4l0-21swapper/107:13:201
114091210,0ptp4l0-21swapper/012:31:380
114091210,0ptp4l0-21swapper/011:55:130
114091210,0ptp4l0-21swapper/011:06:100
114091210,0ptp4l0-21swapper/011:06:100
114091210,0ptp4l0-21swapper/011:00:440
114091210,0ptp4l0-21swapper/010:55:530
114091210,0ptp4l0-21swapper/010:31:110
114091210,0ptp4l0-21swapper/010:22:450
114091210,0ptp4l0-21swapper/009:55:240
114091210,0ptp4l0-21swapper/008:46:050
114091200,1ptp4l6837-21ls07:25:005
114091200,1ptp4l5808-21sh12:21:556
114091200,1ptp4l31392-21ssh12:12:526
114091200,0ptp4l0-21swapper/707:22:537
114091200,0ptp4l0-21swapper/611:17:216
114091200,0ptp4l0-21swapper/610:58:246
114091200,0ptp4l0-21swapper/609:41:456
114091200,0ptp4l0-21swapper/608:19:556
114091200,0ptp4l0-21swapper/608:14:046
114091200,0ptp4l0-21swapper/508:22:165
114091200,0ptp4l0-21swapper/412:10:304
114091200,0ptp4l0-21swapper/409:04:344
114091200,0ptp4l0-21swapper/407:41:364
114091200,0ptp4l0-21swapper/309:27:323
114091200,0ptp4l0-21swapper/308:30:203
114091200,0ptp4l0-21swapper/308:30:193
114091200,0ptp4l0-21swapper/212:22:072
114091200,0ptp4l0-21swapper/212:12:482
114091200,0ptp4l0-21swapper/108:15:161
114091200,0ptp4l0-21swapper/012:17:330
114091200,0ptp4l0-21swapper/012:10:310
114091200,0ptp4l0-21swapper/008:42:170
114091200,0ptp4l0-21swapper/007:37:570
114091200,0ptp4l0-21swapper/007:12:400
317722190,0sleep70-21swapper/712:13:577
114091190,2ptp4l0-21swapper/708:04:517
114091190,0ptp4l0-21swapper/608:58:196
114091190,0ptp4l0-21swapper/607:41:396
114091190,0ptp4l0-21swapper/508:18:515
114091190,0ptp4l0-21swapper/507:33:595
114091190,0ptp4l0-21swapper/407:45:214
114091190,0ptp4l0-21swapper/207:29:492
114091190,0ptp4l0-21swapper/107:20:581
114091190,0ptp4l0-21swapper/008:00:380
114091190,0ptp4l0-21swapper/007:18:340
114091180,2ptp4l0-21swapper/009:00:070
114091180,0ptp4l0-21swapper/610:16:256
114091180,0ptp4l0-21swapper/408:46:074
114091180,0ptp4l0-21swapper/212:25:352
114091180,0ptp4l0-21swapper/207:56:272
114091180,0ptp4l0-21swapper/207:38:572
114091180,0ptp4l0-21swapper/008:05:200
114091170,2ptp4l0-21swapper/008:33:400
114091170,2ptp4l0-21swapper/008:33:390
114091170,0ptp4l0-21swapper/607:28:596
114091170,0ptp4l0-21swapper/307:22:503
114091170,0ptp4l0-21swapper/208:12:342
114091170,0ptp4l0-21swapper/007:31:210
31658991613,1cyclictest1405-21kworker/4:107:25:204
114091160,0ptp4l0-21swapper/408:11:194
114091160,0ptp4l0-21swapper/312:38:153
114091160,0ptp4l0-21swapper/207:20:292
114091160,0ptp4l0-21swapper/009:07:330
114091160,0ptp4l0-21swapper/008:20:450
114091160,0ptp4l0-21swapper/007:25:140
114091150,0ptp4l0-21swapper/708:30:227
114091150,0ptp4l0-21swapper/708:30:217
114091150,0ptp4l0-21swapper/612:25:286
114091150,0ptp4l0-21swapper/608:33:326
114091150,0ptp4l0-21swapper/608:33:326
114091150,0ptp4l0-21swapper/607:20:046
114091150,0ptp4l0-21swapper/607:19:006
114091150,0ptp4l0-21swapper/409:05:264
114091150,0ptp4l0-21swapper/408:50:494
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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