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2025-11-17 - 23:36

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 Mon Nov 17, 2025 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091640,33ptp4l0-21swapper/107:09:561
114091640,33ptp4l0-21swapper/107:09:561
114091630,31ptp4l0-21swapper/007:07:370
114091630,31ptp4l0-21swapper/007:07:370
114091610,6ptp4l0-21swapper/407:08:304
114091610,6ptp4l0-21swapper/407:08:304
103126050,6sleep20-21swapper/207:09:102
103126050,6sleep20-21swapper/207:09:102
114091580,5ptp4l0-21swapper/507:05:575
114091580,5ptp4l0-21swapper/507:05:575
71425746,6sleep30-21swapper/307:05:353
71425746,6sleep30-21swapper/307:05:353
82572560,0sleep10-21swapper/109:30:051
3158425443,7sleep60-21swapper/607:05:066
3158425443,7sleep60-21swapper/607:05:066
275542510,0sleep70-21swapper/708:05:137
100024837,6sleep70-21swapper/707:08:437
100024837,6sleep70-21swapper/707:08:437
114091360,0ptp4l0-21swapper/608:45:006
114091320,0ptp4l0-21swapper/511:07:315
114091320,0ptp4l0-21swapper/312:16:323
114091310,0ptp4l0-21swapper/210:45:182
114091300,0ptp4l0-21swapper/511:12:485
114091300,0ptp4l0-21swapper/508:25:225
114091300,0ptp4l0-21swapper/212:09:232
114091300,0ptp4l0-21swapper/110:15:211
114091300,0ptp4l0-21swapper/109:57:391
114091290,0ptp4l0-21swapper/610:43:056
114091290,0ptp4l0-21swapper/512:25:065
114091290,0ptp4l0-21swapper/512:19:085
114091290,0ptp4l0-21swapper/511:51:325
114091290,0ptp4l0-21swapper/511:38:585
114091290,0ptp4l0-21swapper/510:56:545
114091290,0ptp4l0-21swapper/510:53:045
114091290,0ptp4l0-21swapper/509:21:265
114091290,0ptp4l0-21swapper/409:26:464
114091290,0ptp4l0-21swapper/212:22:352
114091290,0ptp4l0-21swapper/210:26:092
114091290,0ptp4l0-21swapper/210:20:122
114091290,0ptp4l0-21swapper/209:17:012
114091290,0ptp4l0-21swapper/111:22:161
114091280,0ptp4l0-21swapper/612:38:446
114091280,0ptp4l0-21swapper/611:36:026
114091280,0ptp4l0-21swapper/512:12:595
114091280,0ptp4l0-21swapper/512:12:585
114091280,0ptp4l0-21swapper/512:01:155
114091280,0ptp4l0-21swapper/511:44:245
114091280,0ptp4l0-21swapper/509:10:545
114091280,0ptp4l0-21swapper/410:47:464
114091280,0ptp4l0-21swapper/410:34:564
114091280,0ptp4l0-21swapper/209:23:462
114091280,0ptp4l0-21swapper/112:20:181
114091280,0ptp4l0-21swapper/111:53:531
114091280,0ptp4l0-21swapper/111:37:471
114091270,4ptp4l0-21swapper/112:19:231
114091270,0ptp4l0-21swapper/611:33:516
114091270,0ptp4l0-21swapper/511:46:565
114091270,0ptp4l0-21swapper/510:10:075
114091270,0ptp4l0-21swapper/509:28:325
114091270,0ptp4l0-21swapper/111:46:431
114091270,0ptp4l0-21swapper/111:27:171
114091270,0ptp4l0-21swapper/110:08:181
114091270,0ptp4l0-21swapper/107:21:361
114091270,0ptp4l0-21swapper/012:23:560
114091260,0ptp4l0-21swapper/612:14:596
114091260,0ptp4l0-21swapper/612:14:596
114091260,0ptp4l0-21swapper/610:26:266
114091260,0ptp4l0-21swapper/509:30:135
114091260,0ptp4l0-21swapper/412:30:214
114091260,0ptp4l0-21swapper/410:07:364
114091260,0ptp4l0-21swapper/409:42:224
114091260,0ptp4l0-21swapper/409:42:224
114091260,0ptp4l0-21swapper/110:49:131
114091260,0ptp4l0-21swapper/109:12:421
114091260,0ptp4l0-21swapper/012:06:350
114091250,3ptp4l0-21swapper/109:21:181
114091250,1ptp4l24006-21hddtemp_smartct09:50:144
114091250,1ptp4l14572-21sh09:37:200
114091250,1ptp4l14572-21sh09:37:190
114091250,1ptp4l11417-21df_inode12:25:131
114091250,1ptp4l0-21swapper/110:30:221
114091250,0ptp4l0-21swapper/610:48:256
114091250,0ptp4l0-21swapper/609:54:196
114091250,0ptp4l0-21swapper/608:30:156
114091250,0ptp4l0-21swapper/608:15:236
114091250,0ptp4l0-21swapper/512:20:185
114091250,0ptp4l0-21swapper/510:44:475
114091250,0ptp4l0-21swapper/510:29:585
114091250,0ptp4l0-21swapper/510:05:225
114091250,0ptp4l0-21swapper/509:35:125
114091250,0ptp4l0-21swapper/509:35:125
114091250,0ptp4l0-21swapper/509:20:005
114091250,0ptp4l0-21swapper/508:20:175
114091250,0ptp4l0-21swapper/508:00:145
114091250,0ptp4l0-21swapper/409:48:124
114091250,0ptp4l0-21swapper/409:39:294
114091250,0ptp4l0-21swapper/409:39:294
114091250,0ptp4l0-21swapper/212:31:422
114091250,0ptp4l0-21swapper/211:36:192
114091250,0ptp4l0-21swapper/209:42:292
114091250,0ptp4l0-21swapper/209:42:292
114091250,0ptp4l0-21swapper/112:35:341
114091250,0ptp4l0-21swapper/111:56:111
114091250,0ptp4l0-21swapper/110:57:321
114091250,0ptp4l0-21swapper/110:50:141
114091250,0ptp4l0-21swapper/110:23:291
114091250,0ptp4l0-21swapper/109:45:161
114091250,0ptp4l0-21swapper/109:01:011
114091250,0ptp4l0-21swapper/108:57:551
114091250,0ptp4l0-21swapper/107:30:141
114091250,0ptp4l0-21swapper/107:25:141
114091240,2ptp4l0-21swapper/411:43:594
114091240,1ptp4l6592-21/usr/sbin/munin10:10:210
114091240,1ptp4l3907-21sed07:15:015
114091240,1ptp4l29056-21timerwakeupswit11:20:206
114091240,1ptp4l23007-21fw_forwarded_lo09:05:155
114091240,1ptp4l19179-21needreboot07:45:196
114091240,1ptp4l11680-21df_inode07:30:135
114091240,0ptp4l0-21swapper/612:27:146
114091240,0ptp4l0-21swapper/609:18:296
114091240,0ptp4l0-21swapper/512:36:555
114091240,0ptp4l0-21swapper/511:58:455
114091240,0ptp4l0-21swapper/511:02:135
114091240,0ptp4l0-21swapper/510:47:305
114091240,0ptp4l0-21swapper/510:35:165
114091240,0ptp4l0-21swapper/510:30:175
114091240,0ptp4l0-21swapper/510:00:255
114091240,0ptp4l0-21swapper/509:55:375
114091240,0ptp4l0-21swapper/508:05:195
114091240,0ptp4l0-21swapper/411:35:184
114091240,0ptp4l0-21swapper/411:01:154
114091240,0ptp4l0-21swapper/410:24:444
114091240,0ptp4l0-21swapper/210:16:322
114091240,0ptp4l0-21swapper/112:10:221
114091240,0ptp4l0-21swapper/112:10:211
114091240,0ptp4l0-21swapper/112:00:211
114091240,0ptp4l0-21swapper/111:15:351
114091240,0ptp4l0-21swapper/110:41:331
114091240,0ptp4l0-21swapper/110:25:201
114091240,0ptp4l0-21swapper/109:40:111
114091240,0ptp4l0-21swapper/109:40:101
114091240,0ptp4l0-21swapper/108:35:181
114091240,0ptp4l0-21swapper/107:10:131
114091240,0ptp4l0-21swapper/011:35:160
114091240,0ptp4l0-21swapper/011:11:080
114091240,0ptp4l0-21swapper/008:10:170
96052230,0sleep0111rcuc/009:30:200
114091230,2ptp4l0-21swapper/609:42:256
114091230,2ptp4l0-21swapper/609:42:256
114091230,1ptp4l29527-21ssh11:21:125
114091230,1ptp4l26719-21ssh11:18:464
114091230,1ptp4l24632-21diskmemload11:11:154
114091230,1ptp4l13954-21if_err_virbr008:45:162
114091230,1ptp4l1367-21cyclictest10:35:131
114091230,0ptp4l0-21swapper/612:15:056
114091230,0ptp4l0-21swapper/611:05:466
114091230,0ptp4l0-21swapper/610:20:146
114091230,0ptp4l0-21swapper/610:19:586
114091230,0ptp4l0-21swapper/607:40:176
114091230,0ptp4l0-21swapper/607:20:166
114091230,0ptp4l0-21swapper/512:30:165
114091230,0ptp4l0-21swapper/511:30:145
114091230,0ptp4l0-21swapper/511:25:065
114091230,0ptp4l0-21swapper/510:15:165
114091230,0ptp4l0-21swapper/509:50:125
114091230,0ptp4l0-21swapper/509:40:145
114091230,0ptp4l0-21swapper/509:40:145
114091230,0ptp4l0-21swapper/508:55:145
114091230,0ptp4l0-21swapper/508:40:205
114091230,0ptp4l0-21swapper/508:35:175
114091230,0ptp4l0-21swapper/508:30:135
114091230,0ptp4l0-21swapper/508:10:215
114091230,0ptp4l0-21swapper/507:50:135
114091230,0ptp4l0-21swapper/507:25:145
114091230,0ptp4l0-21swapper/507:15:125
114091230,0ptp4l0-21swapper/410:40:144
114091230,0ptp4l0-21swapper/410:40:014
114091230,0ptp4l0-21swapper/409:00:144
114091230,0ptp4l0-21swapper/408:50:144
114091230,0ptp4l0-21swapper/407:40:244
114091230,0ptp4l0-21swapper/407:25:174
114091230,0ptp4l0-21swapper/310:08:443
114091230,0ptp4l0-21swapper/212:15:172
114091230,0ptp4l0-21swapper/212:10:142
114091230,0ptp4l0-21swapper/212:10:142
114091230,0ptp4l0-21swapper/211:30:222
114091230,0ptp4l0-21swapper/211:00:012
114091230,0ptp4l0-21swapper/209:02:362
114091230,0ptp4l0-21swapper/208:30:192
114091230,0ptp4l0-21swapper/208:15:192
114091230,0ptp4l0-21swapper/207:35:142
114091230,0ptp4l0-21swapper/207:20:162
114091230,0ptp4l0-21swapper/112:30:151
114091230,0ptp4l0-21swapper/111:40:211
114091230,0ptp4l0-21swapper/111:30:001
114091230,0ptp4l0-21swapper/111:13:081
114091230,0ptp4l0-21swapper/111:05:181
114091230,0ptp4l0-21swapper/111:00:141
114091230,0ptp4l0-21swapper/110:10:241
114091230,0ptp4l0-21swapper/109:51:251
114091230,0ptp4l0-21swapper/109:37:061
114091230,0ptp4l0-21swapper/109:37:061
114091230,0ptp4l0-21swapper/109:25:141
114091230,0ptp4l0-21swapper/109:15:141
114091230,0ptp4l0-21swapper/108:50:161
114091230,0ptp4l0-21swapper/108:40:151
114091230,0ptp4l0-21swapper/108:25:201
114091230,0ptp4l0-21swapper/108:10:221
114091230,0ptp4l0-21swapper/108:00:131
114091230,0ptp4l0-21swapper/107:55:161
114091230,0ptp4l0-21swapper/107:51:081
114091230,0ptp4l0-21swapper/107:15:011
114091230,0ptp4l0-21swapper/011:55:190
114091230,0ptp4l0-21swapper/011:45:170
114091230,0ptp4l0-21swapper/010:47:520
114091230,0ptp4l0-21swapper/010:32:290
114091230,0ptp4l0-21swapper/010:00:160
114091230,0ptp4l0-21swapper/009:27:020
114091230,0ptp4l0-21swapper/008:00:160
114091230,0ptp4l0-21swapper/008:00:000
114091220,1ptp4l28130-21ssh09:13:500
114091220,0ptp4l0-21swapper/612:33:336
114091220,0ptp4l0-21swapper/612:06:476
114091220,0ptp4l0-21swapper/610:56:016
114091220,0ptp4l0-21swapper/609:23:106
114091220,0ptp4l0-21swapper/608:45:146
114091220,0ptp4l0-21swapper/608:25:006
114091220,0ptp4l0-21swapper/607:35:016
114091220,0ptp4l0-21swapper/512:05:025
114091220,0ptp4l0-21swapper/511:15:025
114091220,0ptp4l0-21swapper/510:21:365
114091220,0ptp4l0-21swapper/509:45:185
114091220,0ptp4l0-21swapper/508:50:135
114091220,0ptp4l0-21swapper/508:19:305
114091220,0ptp4l0-21swapper/507:55:225
114091220,0ptp4l0-21swapper/507:35:215
114091220,0ptp4l0-21swapper/507:23:015
114091220,0ptp4l0-21swapper/412:36:054
114091220,0ptp4l0-21swapper/412:11:004
114091220,0ptp4l0-21swapper/412:11:004
114091220,0ptp4l0-21swapper/412:05:164
114091220,0ptp4l0-21swapper/412:00:174
114091220,0ptp4l0-21swapper/411:55:204
114091220,0ptp4l0-21swapper/411:50:134
114091220,0ptp4l0-21swapper/411:46:294
114091220,0ptp4l0-21swapper/411:27:284
114091220,0ptp4l0-21swapper/411:24:074
114091220,0ptp4l0-21swapper/411:05:004
114091220,0ptp4l0-21swapper/410:56:364
114091220,0ptp4l0-21swapper/410:53:524
114091220,0ptp4l0-21swapper/410:25:354
114091220,0ptp4l0-21swapper/410:10:184
114091220,0ptp4l0-21swapper/410:00:214
114091220,0ptp4l0-21swapper/409:31:364
114091220,0ptp4l0-21swapper/409:22:404
114091220,0ptp4l0-21swapper/409:16:004
114091220,0ptp4l0-21swapper/409:14:044
114091220,0ptp4l0-21swapper/408:55:164
114091220,0ptp4l0-21swapper/408:10:154
114091220,0ptp4l0-21swapper/407:35:174
114091220,0ptp4l0-21swapper/407:15:164
114091220,0ptp4l0-21swapper/407:10:224
114091220,0ptp4l0-21swapper/212:38:322
114091220,0ptp4l0-21swapper/212:26:362
114091220,0ptp4l0-21swapper/211:20:172
114091220,0ptp4l0-21swapper/211:06:052
114091220,0ptp4l0-21swapper/210:56:192
114091220,0ptp4l0-21swapper/210:00:162
114091220,0ptp4l0-21swapper/208:23:142
114091220,0ptp4l0-21swapper/207:45:202
114091220,0ptp4l0-21swapper/207:40:152
114091220,0ptp4l0-21swapper/112:05:031
114091220,0ptp4l0-21swapper/110:00:381
114091220,0ptp4l0-21swapper/109:05:171
114091220,0ptp4l0-21swapper/108:20:221
114091220,0ptp4l0-21swapper/108:05:171
114091220,0ptp4l0-21swapper/107:35:191
114091220,0ptp4l0-21swapper/012:30:190
114091220,0ptp4l0-21swapper/012:14:290
114091220,0ptp4l0-21swapper/012:14:280
114091220,0ptp4l0-21swapper/012:00:150
114091220,0ptp4l0-21swapper/011:40:140
114091220,0ptp4l0-21swapper/011:15:170
114091220,0ptp4l0-21swapper/011:05:130
114091220,0ptp4l0-21swapper/010:17:490
114091220,0ptp4l0-21swapper/010:06:220
114091220,0ptp4l0-21swapper/009:55:450
114091220,0ptp4l0-21swapper/009:52:540
114091220,0ptp4l0-21swapper/009:45:160
114091220,0ptp4l0-21swapper/009:22:220
114091220,0ptp4l0-21swapper/009:15:300
114091220,0ptp4l0-21swapper/009:00:190
114091220,0ptp4l0-21swapper/008:55:150
114091220,0ptp4l0-21swapper/008:40:000
114091220,0ptp4l0-21swapper/007:40:230
114091220,0ptp4l0-21swapper/007:25:150
114091220,0ptp4l0-21swapper/007:15:140
114091210,2ptp4l0-21swapper/011:20:570
114091210,0ptp4l0-21swapper/712:16:067
114091210,0ptp4l0-21swapper/709:54:407
114091210,0ptp4l0-21swapper/608:07:256
114091210,0ptp4l0-21swapper/509:02:445
114091210,0ptp4l0-21swapper/508:49:505
114091210,0ptp4l0-21swapper/507:43:255
114091210,0ptp4l0-21swapper/412:29:014
114091210,0ptp4l0-21swapper/412:20:314
114091210,0ptp4l0-21swapper/411:31:184
114091210,0ptp4l0-21swapper/410:15:014
114091210,0ptp4l0-21swapper/409:57:194
114091210,0ptp4l0-21swapper/409:06:274
114091210,0ptp4l0-21swapper/408:47:354
114091210,0ptp4l0-21swapper/408:41:364
114091210,0ptp4l0-21swapper/408:33:444
114091210,0ptp4l0-21swapper/309:54:503
114091210,0ptp4l0-21swapper/210:43:092
114091210,0ptp4l0-21swapper/209:54:142
114091210,0ptp4l0-21swapper/208:07:472
114091210,0ptp4l0-21swapper/207:31:362
114091210,0ptp4l0-21swapper/108:45:411
114091210,0ptp4l0-21swapper/108:17:091
114091210,0ptp4l0-21swapper/012:35:040
114091210,0ptp4l0-21swapper/012:27:470
114091210,0ptp4l0-21swapper/012:19:010
114091210,0ptp4l0-21swapper/011:50:090
114091210,0ptp4l0-21swapper/011:25:400
114091210,0ptp4l0-21swapper/011:00:200
114091210,0ptp4l0-21swapper/010:58:270
114091210,0ptp4l0-21swapper/010:53:540
114091210,0ptp4l0-21swapper/010:40:150
114091210,0ptp4l0-21swapper/010:36:040
114091210,0ptp4l0-21swapper/010:25:410
114091210,0ptp4l0-21swapper/010:24:160
114091210,0ptp4l0-21swapper/009:40:430
114091210,0ptp4l0-21swapper/009:40:420
114091210,0ptp4l0-21swapper/007:53:270
114091210,0ptp4l0-21swapper/007:35:150
114091210,0ptp4l0-21swapper/007:10:210
114091200,0ptp4l0-21swapper/710:09:007
114091200,0ptp4l0-21swapper/612:22:456
114091200,0ptp4l0-21swapper/611:00:026
114091200,0ptp4l0-21swapper/507:45:465
114091200,0ptp4l0-21swapper/412:17:084
114091200,0ptp4l0-21swapper/407:59:564
114091200,0ptp4l0-21swapper/211:45:592
114091200,0ptp4l0-21swapper/208:43:272
114091200,0ptp4l0-21swapper/207:54:362
114091200,0ptp4l0-21swapper/107:45:361
114091200,0ptp4l0-21swapper/008:48:360
114091200,0ptp4l0-21swapper/008:35:240
209592190,0sleep7711rcuc/712:38:057
114091190,0ptp4l0-21swapper/209:10:022
114091190,0ptp4l0-21swapper/208:38:002
114091190,0ptp4l0-21swapper/011:31:160
114091190,0ptp4l0-21swapper/008:08:360
114091180,1ptp4l0-21swapper/208:03:352
114091180,0ptp4l5264-21ssh10:07:512
114091180,0ptp4l0-21swapper/611:46:066
114091180,0ptp4l0-21swapper/610:34:526
114091180,0ptp4l0-21swapper/610:04:386
114091180,0ptp4l0-21swapper/408:04:024
114091180,0ptp4l0-21swapper/207:27:112
114091180,0ptp4l0-21swapper/207:19:552
114091170,0ptp4l0-21swapper/610:07:436
114091170,0ptp4l0-21swapper/408:18:274
114091170,0ptp4l0-21swapper/008:16:310
114091160,0ptp4l0-21swapper/609:10:016
114091160,0ptp4l0-21swapper/609:02:096
114091160,0ptp4l0-21swapper/408:05:234
114091160,0ptp4l0-21swapper/108:34:241
114091160,0ptp4l0-21swapper/009:06:060
114091160,0ptp4l0-21swapper/008:50:140
114091160,0ptp4l0-21swapper/008:21:560
114091160,0ptp4l0-21swapper/007:45:250
114091160,0ptp4l0-21swapper/007:33:460
286062150,0sleep30-21swapper/312:05:003
1432991513,1cyclictest0-21swapper/712:10:147
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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