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2025-11-29 - 15:59

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 Nov 29, 2025 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
746426442,7sleep70-21swapper/707:07:297
114091640,30ptp4l0-21swapper/007:09:490
114091630,32ptp4l0-21swapper/107:06:061
114091630,14ptp4l0-21swapper/407:08:494
114091600,29ptp4l0-21swapper/207:05:022
114091590,2ptp4l0-21swapper/607:05:176
753325846,7sleep30-21swapper/307:08:213
36642570,0sleep10-21swapper/112:09:051
731625432,7sleep50-21swapper/507:05:355
179702430,0sleep60-21swapper/611:44:116
114091350,0ptp4l0-21swapper/509:55:065
114091340,0ptp4l0-21swapper/511:25:145
114091320,0ptp4l0-21swapper/511:47:115
114091320,0ptp4l0-21swapper/411:55:174
114091320,0ptp4l0-21swapper/010:57:230
114091310,0ptp4l0-21swapper/512:10:575
114091310,0ptp4l0-21swapper/511:34:495
114091310,0ptp4l0-21swapper/510:48:515
114091310,0ptp4l0-21swapper/508:45:135
114091310,0ptp4l0-21swapper/507:10:185
114091310,0ptp4l0-21swapper/210:40:212
114091300,2ptp4l0-21swapper/507:25:205
114091300,0ptp4l0-21swapper/512:18:025
114091300,0ptp4l0-21swapper/511:23:545
114091300,0ptp4l0-21swapper/510:25:425
114091300,0ptp4l0-21swapper/510:20:185
114091300,0ptp4l0-21swapper/510:11:475
114091300,0ptp4l0-21swapper/509:42:315
114091300,0ptp4l0-21swapper/110:19:261
114091300,0ptp4l0-21swapper/010:41:470
114091300,0ptp4l0-21swapper/007:45:000
114091290,1ptp4l7044-21ssh10:02:025
114091290,0ptp4l0-21swapper/512:31:095
114091290,0ptp4l0-21swapper/510:36:045
114091290,0ptp4l0-21swapper/509:05:235
114091290,0ptp4l0-21swapper/312:01:483
114091290,0ptp4l0-21swapper/309:37:153
114091290,0ptp4l0-21swapper/011:13:050
114091290,0ptp4l0-21swapper/009:49:120
114091280,0ptp4l0-21swapper/612:38:236
114091280,0ptp4l0-21swapper/610:38:216
114091280,0ptp4l0-21swapper/509:54:255
114091280,0ptp4l0-21swapper/111:07:591
114091280,0ptp4l0-21swapper/110:28:311
114091270,0ptp4l31138-21diskmemload11:44:364
114091270,0ptp4l0-21swapper/510:18:315
114091270,0ptp4l0-21swapper/211:23:102
114091270,0ptp4l0-21swapper/110:24:421
114091270,0ptp4l0-21swapper/109:40:051
114091270,0ptp4l0-21swapper/011:17:580
114091260,6ptp4l0-21swapper/510:33:055
114091260,0ptp4l31138-21diskmemload10:59:401
114091260,0ptp4l29289-21latency_hist09:50:005
114091260,0ptp4l0-21swapper/611:47:486
114091260,0ptp4l0-21swapper/510:55:145
114091260,0ptp4l0-21swapper/410:32:454
114091260,0ptp4l0-21swapper/211:53:522
114091260,0ptp4l0-21swapper/211:13:492
114091250,2ptp4l0-21swapper/511:44:185
114091250,1ptp4l17768-21diskstats11:00:130
114091250,1ptp4l11536-21irqstats09:25:154
114091250,0ptp4l0-21swapper/712:02:157
114091250,0ptp4l0-21swapper/709:37:187
114091250,0ptp4l0-21swapper/708:40:007
114091250,0ptp4l0-21swapper/610:30:126
114091250,0ptp4l0-21swapper/512:05:135
114091250,0ptp4l0-21swapper/511:51:005
114091250,0ptp4l0-21swapper/511:12:325
114091250,0ptp4l0-21swapper/509:32:485
114091250,0ptp4l0-21swapper/509:14:515
114091250,0ptp4l0-21swapper/411:24:334
114091250,0ptp4l0-21swapper/410:42:194
114091250,0ptp4l0-21swapper/211:44:592
114091250,0ptp4l0-21swapper/209:11:072
114091250,0ptp4l0-21swapper/208:55:192
114091250,0ptp4l0-21swapper/112:16:001
114091250,0ptp4l0-21swapper/111:49:401
114091250,0ptp4l0-21swapper/111:37:111
114091250,0ptp4l0-21swapper/109:30:131
114091250,0ptp4l0-21swapper/107:10:191
114091250,0ptp4l0-21swapper/009:55:170
114091250,0ptp4l0-21swapper/009:25:140
114091250,0ptp4l0-21swapper/008:50:210
114091240,1ptp4l811-21NetworkManager07:25:001
114091240,1ptp4l31138-21diskmemload10:11:531
114091240,1ptp4l29715-21phc2sys11:15:185
114091240,1ptp4l2621-21expr10:40:126
114091240,1ptp4l19866-21smart_sda11:45:222
114091240,1ptp4l12853-21ps10:10:160
114091240,1ptp4l11308-21/usr/sbin/munin07:15:132
114091240,1ptp4l0-21swapper/512:00:175
114091240,0ptp4l0-21swapper/612:28:296
114091240,0ptp4l0-21swapper/612:24:196
114091240,0ptp4l0-21swapper/611:54:536
114091240,0ptp4l0-21swapper/609:10:376
114091240,0ptp4l0-21swapper/608:15:216
114091240,0ptp4l0-21swapper/608:15:206
114091240,0ptp4l0-21swapper/511:38:315
114091240,0ptp4l0-21swapper/511:04:315
114091240,0ptp4l0-21swapper/509:27:385
114091240,0ptp4l0-21swapper/509:22:565
114091240,0ptp4l0-21swapper/509:15:135
114091240,0ptp4l0-21swapper/508:25:165
114091240,0ptp4l0-21swapper/508:05:215
114091240,0ptp4l0-21swapper/507:45:165
114091240,0ptp4l0-21swapper/507:30:135
114091240,0ptp4l0-21swapper/507:20:155
114091240,0ptp4l0-21swapper/411:35:174
114091240,0ptp4l0-21swapper/411:11:094
114091240,0ptp4l0-21swapper/409:50:204
114091240,0ptp4l0-21swapper/409:22:334
114091240,0ptp4l0-21swapper/409:18:234
114091240,0ptp4l0-21swapper/409:05:174
114091240,0ptp4l0-21swapper/408:25:174
114091240,0ptp4l0-21swapper/309:24:193
114091240,0ptp4l0-21swapper/212:29:082
114091240,0ptp4l0-21swapper/210:35:052
114091240,0ptp4l0-21swapper/210:30:012
114091240,0ptp4l0-21swapper/208:43:012
114091240,0ptp4l0-21swapper/208:15:202
114091240,0ptp4l0-21swapper/208:15:192
114091240,0ptp4l0-21swapper/207:10:202
114091240,0ptp4l0-21swapper/111:50:151
114091240,0ptp4l0-21swapper/111:30:151
114091240,0ptp4l0-21swapper/111:12:361
114091240,0ptp4l0-21swapper/111:01:341
114091240,0ptp4l0-21swapper/110:45:181
114091240,0ptp4l0-21swapper/109:49:031
114091240,0ptp4l0-21swapper/109:40:001
114091240,0ptp4l0-21swapper/108:35:171
114091240,0ptp4l0-21swapper/108:10:181
114091240,0ptp4l0-21swapper/108:10:171
114091240,0ptp4l0-21swapper/108:05:131
114091240,0ptp4l0-21swapper/107:30:131
114091240,0ptp4l0-21swapper/011:06:060
114091240,0ptp4l0-21swapper/009:05:140
114091230,0ptp4l0-21swapper/610:50:156
114091230,0ptp4l0-21swapper/610:50:146
114091230,0ptp4l0-21swapper/610:50:006
114091230,0ptp4l0-21swapper/609:52:376
114091230,0ptp4l0-21swapper/608:55:206
114091230,0ptp4l0-21swapper/608:30:136
114091230,0ptp4l0-21swapper/607:50:176
114091230,0ptp4l0-21swapper/607:40:136
114091230,0ptp4l0-21swapper/607:15:146
114091230,0ptp4l0-21swapper/607:10:366
114091230,0ptp4l0-21swapper/512:35:145
114091230,0ptp4l0-21swapper/512:20:045
114091230,0ptp4l0-21swapper/511:05:095
114091230,0ptp4l0-21swapper/510:53:135
114091230,0ptp4l0-21swapper/510:53:135
114091230,0ptp4l0-21swapper/510:05:185
114091230,0ptp4l0-21swapper/509:35:165
114091230,0ptp4l0-21swapper/508:57:055
114091230,0ptp4l0-21swapper/508:50:205
114091230,0ptp4l0-21swapper/508:37:445
114091230,0ptp4l0-21swapper/508:35:005
114091230,0ptp4l0-21swapper/508:20:145
114091230,0ptp4l0-21swapper/508:10:155
114091230,0ptp4l0-21swapper/508:10:145
114091230,0ptp4l0-21swapper/507:55:135
114091230,0ptp4l0-21swapper/507:53:485
114091230,0ptp4l0-21swapper/507:38:365
114091230,0ptp4l0-21swapper/507:20:005
114091230,0ptp4l0-21swapper/412:16:254
114091230,0ptp4l0-21swapper/411:32:124
114091230,0ptp4l0-21swapper/411:00:124
114091230,0ptp4l0-21swapper/410:55:154
114091230,0ptp4l0-21swapper/410:16:534
114091230,0ptp4l0-21swapper/410:10:144
114091230,0ptp4l0-21swapper/409:30:144
114091230,0ptp4l0-21swapper/408:00:204
114091230,0ptp4l0-21swapper/407:45:124
114091230,0ptp4l0-21swapper/309:53:203
114091230,0ptp4l0-21swapper/212:38:032
114091230,0ptp4l0-21swapper/210:56:092
114091230,0ptp4l0-21swapper/210:50:202
114091230,0ptp4l0-21swapper/210:50:192
114091230,0ptp4l0-21swapper/209:52:242
114091230,0ptp4l0-21swapper/208:30:172
114091230,0ptp4l0-21swapper/208:13:522
114091230,0ptp4l0-21swapper/208:13:512
114091230,0ptp4l0-21swapper/207:50:212
114091230,0ptp4l0-21swapper/112:35:181
114091230,0ptp4l0-21swapper/112:30:151
114091230,0ptp4l0-21swapper/112:26:261
114091230,0ptp4l0-21swapper/112:20:161
114091230,0ptp4l0-21swapper/112:10:171
114091230,0ptp4l0-21swapper/112:00:191
114091230,0ptp4l0-21swapper/111:40:231
114091230,0ptp4l0-21swapper/111:20:141
114091230,0ptp4l0-21swapper/111:15:171
114091230,0ptp4l0-21swapper/110:53:361
114091230,0ptp4l0-21swapper/110:53:361
114091230,0ptp4l0-21swapper/110:32:331
114091230,0ptp4l0-21swapper/110:05:131
114091230,0ptp4l0-21swapper/110:00:151
114091230,0ptp4l0-21swapper/109:50:211
114091230,0ptp4l0-21swapper/109:25:481
114091230,0ptp4l0-21swapper/109:20:201
114091230,0ptp4l0-21swapper/109:15:201
114091230,0ptp4l0-21swapper/109:10:191
114091230,0ptp4l0-21swapper/109:00:141
114091230,0ptp4l0-21swapper/108:50:131
114091230,0ptp4l0-21swapper/108:20:111
114091230,0ptp4l0-21swapper/108:20:011
114091230,0ptp4l0-21swapper/108:20:001
114091230,0ptp4l0-21swapper/108:05:011
114091230,0ptp4l0-21swapper/107:55:121
114091230,0ptp4l0-21swapper/011:55:160
114091230,0ptp4l0-21swapper/011:35:120
114091230,0ptp4l0-21swapper/011:29:140
114091230,0ptp4l0-21swapper/010:52:080
114091230,0ptp4l0-21swapper/010:52:080
114091230,0ptp4l0-21swapper/010:15:170
114091230,0ptp4l0-21swapper/009:50:170
114091230,0ptp4l0-21swapper/009:31:180
114091230,0ptp4l0-21swapper/009:20:090
114091230,0ptp4l0-21swapper/008:40:160
114091230,0ptp4l0-21swapper/008:35:220
114091230,0ptp4l0-21swapper/007:20:200
114091230,0ptp4l0-21swapper/007:15:190
114091220,0ptp4l31138-21diskmemload11:46:304
114091220,0ptp4l0-21swapper/709:24:247
114091220,0ptp4l0-21swapper/611:55:166
114091220,0ptp4l0-21swapper/611:21:336
114091220,0ptp4l0-21swapper/611:13:526
114091220,0ptp4l0-21swapper/610:55:456
114091220,0ptp4l0-21swapper/609:47:556
114091220,0ptp4l0-21swapper/609:43:456
114091220,0ptp4l0-21swapper/608:21:186
114091220,0ptp4l0-21swapper/511:56:435
114091220,0ptp4l0-21swapper/509:00:155
114091220,0ptp4l0-21swapper/508:40:165
114091220,0ptp4l0-21swapper/508:17:305
114091220,0ptp4l0-21swapper/508:17:295
114091220,0ptp4l0-21swapper/508:01:275
114091220,0ptp4l0-21swapper/412:26:284
114091220,0ptp4l0-21swapper/412:21:374
114091220,0ptp4l0-21swapper/412:13:024
114091220,0ptp4l0-21swapper/412:06:234
114091220,0ptp4l0-21swapper/412:00:094
114091220,0ptp4l0-21swapper/411:26:174
114091220,0ptp4l0-21swapper/411:16:584
114091220,0ptp4l0-21swapper/411:06:534
114091220,0ptp4l0-21swapper/410:28:484
114091220,0ptp4l0-21swapper/410:09:074
114091220,0ptp4l0-21swapper/410:01:154
114091220,0ptp4l0-21swapper/409:55:074
114091220,0ptp4l0-21swapper/409:43:004
114091220,0ptp4l0-21swapper/409:39:124
114091220,0ptp4l0-21swapper/409:12:574
114091220,0ptp4l0-21swapper/407:44:294
114091220,0ptp4l0-21swapper/407:20:254
114091220,0ptp4l0-21swapper/212:24:552
114091220,0ptp4l0-21swapper/211:55:142
114091220,0ptp4l0-21swapper/210:49:192
114091220,0ptp4l0-21swapper/210:30:122
114091220,0ptp4l0-21swapper/209:48:092
114091220,0ptp4l0-21swapper/209:40:322
114091220,0ptp4l0-21swapper/207:40:212
114091220,0ptp4l0-21swapper/111:55:541
114091220,0ptp4l0-21swapper/111:25:171
114091220,0ptp4l0-21swapper/110:41:411
114091220,0ptp4l0-21swapper/109:57:111
114091220,0ptp4l0-21swapper/109:05:241
114091220,0ptp4l0-21swapper/108:59:181
114091220,0ptp4l0-21swapper/108:45:131
114091220,0ptp4l0-21swapper/108:40:141
114091220,0ptp4l0-21swapper/108:33:061
114091220,0ptp4l0-21swapper/107:35:221
114091220,0ptp4l0-21swapper/107:20:171
114091220,0ptp4l0-21swapper/012:35:560
114091220,0ptp4l0-21swapper/012:26:030
114091220,0ptp4l0-21swapper/012:21:430
114091220,0ptp4l0-21swapper/012:00:130
114091220,0ptp4l0-21swapper/011:50:410
114091220,0ptp4l0-21swapper/011:47:300
114091220,0ptp4l0-21swapper/011:40:240
114091220,0ptp4l0-21swapper/011:32:230
114091220,0ptp4l0-21swapper/010:47:190
114091220,0ptp4l0-21swapper/010:30:230
114091220,0ptp4l0-21swapper/010:28:490
114091220,0ptp4l0-21swapper/010:20:460
114091220,0ptp4l0-21swapper/010:00:490
114091220,0ptp4l0-21swapper/009:40:170
114091220,0ptp4l0-21swapper/009:39:370
114091220,0ptp4l0-21swapper/009:15:160
114091220,0ptp4l0-21swapper/009:04:490
114091220,0ptp4l0-21swapper/008:55:120
114091220,0ptp4l0-21swapper/008:25:210
114091220,0ptp4l0-21swapper/008:00:150
114091220,0ptp4l0-21swapper/007:55:210
114091220,0ptp4l0-21swapper/007:37:290
7974992117,1cyclictest21979-21kworker/4:209:46:254
114091210,0ptp4l57-21ksoftirqd/512:27:355
114091210,0ptp4l0-21swapper/711:58:597
114091210,0ptp4l0-21swapper/709:53:037
114091210,0ptp4l0-21swapper/612:34:016
114091210,0ptp4l0-21swapper/612:11:366
114091210,0ptp4l0-21swapper/610:22:216
114091210,0ptp4l0-21swapper/608:28:066
114091210,0ptp4l0-21swapper/510:43:085
114091210,0ptp4l0-21swapper/412:33:434
114091210,0ptp4l0-21swapper/410:47:124
114091210,0ptp4l0-21swapper/410:23:374
114091210,0ptp4l0-21swapper/408:40:064
114091210,0ptp4l0-21swapper/407:59:404
114091210,0ptp4l0-21swapper/311:58:133
114091210,0ptp4l0-21swapper/308:36:163
114091210,0ptp4l0-21swapper/212:34:142
114091210,0ptp4l0-21swapper/212:11:262
114091210,0ptp4l0-21swapper/210:22:272
114091210,0ptp4l0-21swapper/110:36:081
114091210,0ptp4l0-21swapper/108:25:151
114091210,0ptp4l0-21swapper/107:42:291
114091210,0ptp4l0-21swapper/012:33:150
114091210,0ptp4l0-21swapper/012:13:470
114091210,0ptp4l0-21swapper/012:06:340
114091210,0ptp4l0-21swapper/011:20:010
114091210,0ptp4l0-21swapper/010:09:270
114091210,0ptp4l0-21swapper/009:12:090
114091210,0ptp4l0-21swapper/008:34:430
114091200,0ptp4l0-21swapper/610:10:126
114091200,0ptp4l0-21swapper/609:23:386
114091200,0ptp4l0-21swapper/609:07:576
114091200,0ptp4l0-21swapper/411:50:414
114091200,0ptp4l0-21swapper/410:52:164
114091200,0ptp4l0-21swapper/410:52:154
114091200,0ptp4l0-21swapper/408:56:154
114091200,0ptp4l0-21swapper/209:08:192
114091200,0ptp4l0-21swapper/208:28:252
114091200,0ptp4l0-21swapper/107:16:151
114091200,0ptp4l0-21swapper/012:15:020
114091200,0ptp4l0-21swapper/010:35:550
114091190,0ptp4l0-21swapper/412:35:424
114091190,0ptp4l0-21swapper/410:35:504
114091190,0ptp4l0-21swapper/409:00:534
114091190,0ptp4l0-21swapper/408:50:594
114091190,0ptp4l0-21swapper/408:18:174
114091190,0ptp4l0-21swapper/408:18:174
114091190,0ptp4l0-21swapper/208:08:232
114091190,0ptp4l0-21swapper/107:54:311
114091190,0ptp4l0-21swapper/008:09:510
114091180,2ptp4l0-21swapper/007:50:070
114091180,0ptp4l0-21swapper/407:16:594
114091180,0ptp4l0-21swapper/407:12:594
114091180,0ptp4l0-21swapper/210:09:192
114091180,0ptp4l0-21swapper/207:34:562
7974991714,1cyclictest49-21ksoftirqd/407:52:004
47362170,0sleep70-21swapper/710:42:197
223382170,0sleep3391rcuc/307:40:003
114091170,2ptp4l0-21swapper/008:21:210
114091170,0ptp4l0-21swapper/610:07:456
114091170,0ptp4l0-21swapper/407:28:264
114091160,0ptp4l0-21swapper/608:14:426
114091160,0ptp4l0-21swapper/608:14:426
114091160,0ptp4l0-21swapper/507:44:445
114091160,0ptp4l0-21swapper/408:45:044
114091160,0ptp4l0-21swapper/407:35:024
114091160,0ptp4l0-21swapper/209:23:392
114091160,0ptp4l0-21swapper/208:54:402
114091160,0ptp4l0-21swapper/208:38:282
114091160,0ptp4l0-21swapper/107:45:151
114091160,0ptp4l0-21swapper/008:49:450
114091160,0ptp4l0-21swapper/008:18:160
114091160,0ptp4l0-21swapper/008:18:160
114091160,0ptp4l0-21swapper/007:41:580
114091160,0ptp4l0-21swapper/007:31:500
114091160,0ptp4l0-21swapper/007:26:320
114091160,0ptp4l0-21swapper/007:11:580
114091150,0ptp4l0-21swapper/608:54:356
114091150,0ptp4l0-21swapper/608:48:556
114091150,0ptp4l0-21swapper/608:43:016
114091150,0ptp4l0-21swapper/608:38:236
114091150,0ptp4l0-21swapper/608:06:536
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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