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2025-11-20 - 03:45

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 Nov 20, 2025 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091650,2ptp4l0-21swapper/219:05:192
50772630,0sleep50-21swapper/521:47:175
3112026050,6sleep70-21swapper/719:08:377
114091600,0ptp4l2492-21kworker/1:123:45:191
3097425443,6sleep30-21swapper/319:06:413
114091530,45ptp4l0-21swapper/619:05:186
3112324937,7sleep10-21swapper/119:08:391
2932124937,7sleep00-21swapper/019:05:010
3112724636,6sleep50-21swapper/519:08:425
2932524534,7sleep40-21swapper/419:05:054
114091400,0ptp4l0-21swapper/523:20:385
114091340,0ptp4l0-21swapper/523:10:155
114091340,0ptp4l0-21swapper/523:10:155
114091330,0ptp4l0-21swapper/521:15:105
114091330,0ptp4l0-21swapper/100:20:171
114091320,0ptp4l0-21swapper/721:54:437
114091320,0ptp4l0-21swapper/522:15:555
114091310,4ptp4l0-21swapper/121:52:481
114091310,0ptp4l0-21swapper/523:06:315
114091310,0ptp4l0-21swapper/523:06:315
114091310,0ptp4l0-21swapper/522:41:285
114091310,0ptp4l0-21swapper/520:20:235
114091310,0ptp4l0-21swapper/200:03:482
114091310,0ptp4l0-21swapper/123:14:111
114091310,0ptp4l0-21swapper/123:14:111
114091300,0ptp4l0-21swapper/721:55:017
114091300,0ptp4l0-21swapper/623:46:316
114091300,0ptp4l0-21swapper/522:25:415
114091300,0ptp4l0-21swapper/222:20:182
114091300,0ptp4l0-21swapper/122:30:211
114091300,0ptp4l0-21swapper/122:01:431
114091300,0ptp4l0-21swapper/100:32:421
114091290,3ptp4l0-21swapper/122:43:011
114091290,0ptp4l0-21swapper/623:53:466
114091290,0ptp4l0-21swapper/522:49:435
114091290,0ptp4l0-21swapper/500:35:185
114091290,0ptp4l0-21swapper/323:55:173
114091290,0ptp4l0-21swapper/223:27:052
114091290,0ptp4l0-21swapper/121:31:111
114091290,0ptp4l0-21swapper/121:11:451
114091290,0ptp4l0-21swapper/100:26:461
114091280,0ptp4l13273-21ssh00:15:131
114091280,0ptp4l0-21swapper/621:58:426
114091280,0ptp4l0-21swapper/621:46:166
114091280,0ptp4l0-21swapper/600:00:296
114091280,0ptp4l0-21swapper/523:34:075
114091280,0ptp4l0-21swapper/519:17:025
114091280,0ptp4l0-21swapper/500:02:355
114091280,0ptp4l0-21swapper/421:12:274
114091280,0ptp4l0-21swapper/321:55:233
114091280,0ptp4l0-21swapper/223:40:132
114091280,0ptp4l0-21swapper/223:15:102
114091280,0ptp4l0-21swapper/122:49:441
114091280,0ptp4l0-21swapper/121:38:461
114091280,0ptp4l0-21swapper/100:07:241
114091270,0ptp4l8433-21ssh22:35:571
114091270,0ptp4l0-21swapper/723:57:307
114091270,0ptp4l0-21swapper/621:43:506
114091270,0ptp4l0-21swapper/621:30:526
114091270,0ptp4l0-21swapper/621:28:156
114091270,0ptp4l0-21swapper/522:06:435
114091270,0ptp4l0-21swapper/521:35:215
114091270,0ptp4l0-21swapper/223:12:482
114091270,0ptp4l0-21swapper/223:12:472
114091270,0ptp4l0-21swapper/123:30:481
114091270,0ptp4l0-21swapper/122:57:531
114091270,0ptp4l0-21swapper/121:19:381
114091270,0ptp4l0-21swapper/023:00:150
114091270,0ptp4l0-21swapper/021:25:010
114091260,7ptp4l0-21swapper/223:50:462
114091260,0ptp4l0-21swapper/621:05:126
114091260,0ptp4l0-21swapper/522:50:175
114091260,0ptp4l0-21swapper/522:35:355
114091260,0ptp4l0-21swapper/522:32:085
114091260,0ptp4l0-21swapper/522:21:085
114091260,0ptp4l0-21swapper/521:11:315
114091260,0ptp4l0-21swapper/519:15:005
114091260,0ptp4l0-21swapper/221:44:502
114091260,0ptp4l0-21swapper/123:17:311
114091260,0ptp4l0-21swapper/100:37:581
114091250,1ptp4l24958-21irqstats21:30:145
114091250,1ptp4l24885-21diskstats22:15:131
114091250,1ptp4l16853-21sed21:20:012
114091250,0ptp4l0-21swapper/523:38:425
114091250,0ptp4l0-21swapper/522:59:455
114091250,0ptp4l0-21swapper/521:50:175
114091250,0ptp4l0-21swapper/520:35:125
114091250,0ptp4l0-21swapper/500:25:165
114091250,0ptp4l0-21swapper/500:20:245
114091250,0ptp4l0-21swapper/421:57:264
114091250,0ptp4l0-21swapper/400:38:464
114091250,0ptp4l0-21swapper/123:04:181
114091250,0ptp4l0-21swapper/122:06:551
114091250,0ptp4l0-21swapper/121:29:541
114091250,0ptp4l0-21swapper/120:37:141
114091250,0ptp4l0-21swapper/000:22:350
114091240,2ptp4l0-21swapper/221:27:252
114091240,1ptp4l9807-21cat00:10:002
114091240,1ptp4l32595-21memory22:25:141
114091240,1ptp4l17744-21df22:50:111
114091240,0ptp4l0-21swapper/723:54:297
114091240,0ptp4l0-21swapper/622:00:206
114091240,0ptp4l0-21swapper/522:10:145
114091240,0ptp4l0-21swapper/521:40:125
114091240,0ptp4l0-21swapper/520:45:015
114091240,0ptp4l0-21swapper/500:32:195
114091240,0ptp4l0-21swapper/500:05:195
114091240,0ptp4l0-21swapper/421:25:144
114091240,0ptp4l0-21swapper/320:30:453
114091240,0ptp4l0-21swapper/320:30:453
114091240,0ptp4l0-21swapper/223:46:232
114091240,0ptp4l0-21swapper/123:22:371
114091240,0ptp4l0-21swapper/122:10:101
114091240,0ptp4l0-21swapper/121:45:161
114091240,0ptp4l0-21swapper/121:42:231
114091240,0ptp4l0-21swapper/121:00:131
114091240,0ptp4l0-21swapper/120:25:161
114091240,0ptp4l0-21swapper/100:02:061
114091240,0ptp4l0-21swapper/022:38:520
114091240,0ptp4l0-21swapper/021:39:180
114091230,3ptp4l0-21swapper/523:04:575
114091230,3ptp4l0-21swapper/221:04:442
114091230,3ptp4l0-21swapper/119:14:311
114091230,1ptp4l9324-21diskmemload21:22:011
114091230,1ptp4l17204-21ssh23:35:011
114091230,1ptp4l15873-21sh00:19:335
114091230,1ptp4l12264-21ssh22:41:544
114091230,0ptp4l0-21swapper/623:44:566
114091230,0ptp4l0-21swapper/623:28:596
114091230,0ptp4l0-21swapper/623:24:076
114091230,0ptp4l0-21swapper/623:15:136
114091230,0ptp4l0-21swapper/622:20:116
114091230,0ptp4l0-21swapper/621:20:136
114091230,0ptp4l0-21swapper/621:03:206
114091230,0ptp4l0-21swapper/620:30:166
114091230,0ptp4l0-21swapper/620:30:166
114091230,0ptp4l0-21swapper/600:10:206
114091230,0ptp4l0-21swapper/523:45:235
114091230,0ptp4l0-21swapper/523:40:105
114091230,0ptp4l0-21swapper/523:25:205
114091230,0ptp4l0-21swapper/522:03:585
114091230,0ptp4l0-21swapper/521:30:005
114091230,0ptp4l0-21swapper/521:21:295
114091230,0ptp4l0-21swapper/521:00:125
114091230,0ptp4l0-21swapper/520:55:115
114091230,0ptp4l0-21swapper/520:50:165
114091230,0ptp4l0-21swapper/520:25:215
114091230,0ptp4l0-21swapper/520:15:375
114091230,0ptp4l0-21swapper/520:05:145
114091230,0ptp4l0-21swapper/520:00:335
114091230,0ptp4l0-21swapper/519:55:115
114091230,0ptp4l0-21swapper/519:35:005
114091230,0ptp4l0-21swapper/423:25:234
114091230,0ptp4l0-21swapper/423:00:144
114091230,0ptp4l0-21swapper/420:40:134
114091230,0ptp4l0-21swapper/400:05:514
114091230,0ptp4l0-21swapper/321:53:043
114091230,0ptp4l0-21swapper/223:23:542
114091230,0ptp4l0-21swapper/222:00:162
114091230,0ptp4l0-21swapper/221:59:322
114091230,0ptp4l0-21swapper/221:20:122
114091230,0ptp4l0-21swapper/221:05:182
114091230,0ptp4l0-21swapper/200:10:122
114091230,0ptp4l0-21swapper/123:40:081
114091230,0ptp4l0-21swapper/123:05:111
114091230,0ptp4l0-21swapper/123:05:111
114091230,0ptp4l0-21swapper/120:55:141
114091230,0ptp4l0-21swapper/120:50:151
114091230,0ptp4l0-21swapper/120:45:131
114091230,0ptp4l0-21swapper/120:20:191
114091230,0ptp4l0-21swapper/120:02:261
114091230,0ptp4l0-21swapper/120:00:001
114091230,0ptp4l0-21swapper/119:51:301
114091230,0ptp4l0-21swapper/119:40:221
114091230,0ptp4l0-21swapper/119:15:011
114091230,0ptp4l0-21swapper/100:10:221
114091230,0ptp4l0-21swapper/023:59:450
114091230,0ptp4l0-21swapper/023:45:170
114091230,0ptp4l0-21swapper/023:35:120
114091230,0ptp4l0-21swapper/023:25:180
114091230,0ptp4l0-21swapper/023:20:100
114091230,0ptp4l0-21swapper/022:40:230
114091230,0ptp4l0-21swapper/022:10:130
114091230,0ptp4l0-21swapper/022:05:000
114091230,0ptp4l0-21swapper/021:25:170
114091230,0ptp4l0-21swapper/021:00:170
114091230,0ptp4l0-21swapper/019:55:070
114091230,0ptp4l0-21swapper/000:11:350
114091230,0ptp4l0-21swapper/000:01:220
114091220,1ptp4l29880-21ssh22:20:430
114091220,0ptp4l9324-21diskmemload21:51:190
114091220,0ptp4l0-21swapper/623:12:036
114091220,0ptp4l0-21swapper/623:12:036
114091220,0ptp4l0-21swapper/621:10:106
114091220,0ptp4l0-21swapper/620:29:376
114091220,0ptp4l0-21swapper/600:09:486
114091220,0ptp4l0-21swapper/523:59:325
114091220,0ptp4l0-21swapper/523:51:565
114091220,0ptp4l0-21swapper/523:16:305
114091220,0ptp4l0-21swapper/521:57:455
114091220,0ptp4l0-21swapper/520:40:195
114091220,0ptp4l0-21swapper/519:51:045
114091220,0ptp4l0-21swapper/519:41:365
114091220,0ptp4l0-21swapper/519:39:545
114091220,0ptp4l0-21swapper/500:12:585
114091220,0ptp4l0-21swapper/423:59:464
114091220,0ptp4l0-21swapper/423:41:364
114091220,0ptp4l0-21swapper/423:39:064
114091220,0ptp4l0-21swapper/423:10:174
114091220,0ptp4l0-21swapper/423:10:174
114091220,0ptp4l0-21swapper/422:57:444
114091220,0ptp4l0-21swapper/422:46:274
114091220,0ptp4l0-21swapper/422:37:204
114091220,0ptp4l0-21swapper/422:26:344
114091220,0ptp4l0-21swapper/422:20:554
114091220,0ptp4l0-21swapper/422:11:294
114091220,0ptp4l0-21swapper/422:05:134
114091220,0ptp4l0-21swapper/421:51:384
114091220,0ptp4l0-21swapper/421:35:484
114091220,0ptp4l0-21swapper/421:33:404
114091220,0ptp4l0-21swapper/421:20:534
114091220,0ptp4l0-21swapper/421:15:534
114091220,0ptp4l0-21swapper/420:10:154
114091220,0ptp4l0-21swapper/419:50:004
114091220,0ptp4l0-21swapper/400:34:244
114091220,0ptp4l0-21swapper/400:23:484
114091220,0ptp4l0-21swapper/400:00:594
114091220,0ptp4l0-21swapper/323:54:183
114091220,0ptp4l0-21swapper/223:30:102
114091220,0ptp4l0-21swapper/221:46:102
114091220,0ptp4l0-21swapper/221:30:462
114091220,0ptp4l0-21swapper/221:10:012
114091220,0ptp4l0-21swapper/220:30:152
114091220,0ptp4l0-21swapper/220:30:152
114091220,0ptp4l0-21swapper/219:50:282
114091220,0ptp4l0-21swapper/123:59:201
114091220,0ptp4l0-21swapper/123:51:321
114091220,0ptp4l0-21swapper/123:27:411
114091220,0ptp4l0-21swapper/122:21:411
114091220,0ptp4l0-21swapper/121:58:321
114091220,0ptp4l0-21swapper/120:40:011
114091220,0ptp4l0-21swapper/120:15:141
114091220,0ptp4l0-21swapper/120:10:201
114091220,0ptp4l0-21swapper/120:05:191
114091220,0ptp4l0-21swapper/119:49:361
114091220,0ptp4l0-21swapper/119:22:411
114091220,0ptp4l0-21swapper/023:30:160
114091220,0ptp4l0-21swapper/023:17:460
114091220,0ptp4l0-21swapper/023:10:120
114091220,0ptp4l0-21swapper/023:10:120
114091220,0ptp4l0-21swapper/022:47:290
114091220,0ptp4l0-21swapper/022:17:540
114091220,0ptp4l0-21swapper/022:05:160
114091220,0ptp4l0-21swapper/021:57:380
114091220,0ptp4l0-21swapper/021:31:450
114091220,0ptp4l0-21swapper/021:19:030
114091220,0ptp4l0-21swapper/020:15:220
114091220,0ptp4l0-21swapper/000:37:390
114091220,0ptp4l0-21swapper/000:30:460
114091210,0ptp4l0-21swapper/721:21:127
114091210,0ptp4l0-21swapper/721:16:297
114091210,0ptp4l0-21swapper/622:52:116
114091210,0ptp4l0-21swapper/622:18:406
114091210,0ptp4l0-21swapper/622:06:226
114091210,0ptp4l0-21swapper/621:50:586
114091210,0ptp4l0-21swapper/621:19:516
114091210,0ptp4l0-21swapper/620:46:286
114091210,0ptp4l0-21swapper/521:06:275
114091210,0ptp4l0-21swapper/520:10:245
114091210,0ptp4l0-21swapper/423:51:074
114091210,0ptp4l0-21swapper/423:45:154
114091210,0ptp4l0-21swapper/423:31:364
114091210,0ptp4l0-21swapper/423:20:304
114091210,0ptp4l0-21swapper/422:30:354
114091210,0ptp4l0-21swapper/422:19:464
114091210,0ptp4l0-21swapper/422:01:384
114091210,0ptp4l0-21swapper/421:44:594
114091210,0ptp4l0-21swapper/420:39:024
114091210,0ptp4l0-21swapper/400:11:344
114091210,0ptp4l0-21swapper/321:15:573
114091210,0ptp4l0-21swapper/222:52:102
114091210,0ptp4l0-21swapper/222:06:192
114091210,0ptp4l0-21swapper/219:43:272
114091210,0ptp4l0-21swapper/219:29:592
114091210,0ptp4l0-21swapper/121:08:171
114091210,0ptp4l0-21swapper/120:33:441
114091210,0ptp4l0-21swapper/120:33:441
114091210,0ptp4l0-21swapper/119:34:101
114091210,0ptp4l0-21swapper/119:26:141
114091210,0ptp4l0-21swapper/023:41:290
114091210,0ptp4l0-21swapper/023:07:590
114091210,0ptp4l0-21swapper/023:07:580
114091210,0ptp4l0-21swapper/022:57:060
114091210,0ptp4l0-21swapper/022:52:310
114091210,0ptp4l0-21swapper/022:34:200
114091210,0ptp4l0-21swapper/022:26:320
114091210,0ptp4l0-21swapper/021:11:120
114091210,0ptp4l0-21swapper/020:40:140
114091210,0ptp4l0-21swapper/020:00:170
114091210,0ptp4l0-21swapper/000:26:100
114091210,0ptp4l0-21swapper/000:06:420
114091200,0ptp4l0-21swapper/722:52:217
114091200,0ptp4l0-21swapper/620:53:386
114091200,0ptp4l0-21swapper/619:30:006
114091200,0ptp4l0-21swapper/600:39:486
114091200,0ptp4l0-21swapper/519:45:215
114091200,0ptp4l0-21swapper/519:25:135
114091200,0ptp4l0-21swapper/519:21:365
114091200,0ptp4l0-21swapper/423:16:484
114091200,0ptp4l0-21swapper/423:05:074
114091200,0ptp4l0-21swapper/423:05:074
114091200,0ptp4l0-21swapper/422:53:324
114091200,0ptp4l0-21swapper/421:48:054
114091200,0ptp4l0-21swapper/400:27:494
114091200,0ptp4l0-21swapper/400:15:594
114091200,0ptp4l0-21swapper/222:56:042
114091200,0ptp4l0-21swapper/222:18:352
114091200,0ptp4l0-21swapper/222:10:272
114091200,0ptp4l0-21swapper/021:45:050
114091200,0ptp4l0-21swapper/021:40:490
114091200,0ptp4l0-21swapper/000:15:580
114091190,0ptp4l0-21swapper/720:30:247
114091190,0ptp4l0-21swapper/720:30:237
114091190,0ptp4l0-21swapper/619:46:066
114091190,0ptp4l0-21swapper/520:31:295
114091190,0ptp4l0-21swapper/520:31:295
114091190,0ptp4l0-21swapper/421:09:594
114091190,0ptp4l0-21swapper/223:38:082
114091190,0ptp4l0-21swapper/221:50:562
114091190,0ptp4l0-21swapper/200:29:432
114091190,0ptp4l0-21swapper/019:39:550
31489991816,1cyclictest32504-21kworker/0:221:09:190
114091180,0ptp4l0-21swapper/621:39:276
114091180,0ptp4l0-21swapper/600:29:416
114091180,0ptp4l0-21swapper/420:57:004
114091180,0ptp4l0-21swapper/420:47:254
114091180,0ptp4l0-21swapper/321:21:083
114091180,0ptp4l0-21swapper/221:39:282
114091180,0ptp4l0-21swapper/200:39:522
31489991715,1cyclictest2599-21kworker/0:219:33:490
114091170,2ptp4l0-21swapper/020:31:230
114091170,2ptp4l0-21swapper/020:31:230
114091170,0ptp4l0-21swapper/623:30:086
114091170,0ptp4l0-21swapper/622:56:056
114091170,0ptp4l0-21swapper/419:13:284
114091170,0ptp4l0-21swapper/219:48:392
114091170,0ptp4l0-21swapper/019:52:050
114091170,0ptp4l0-21swapper/019:11:560
114091160,0ptp4l0-21swapper/620:41:116
114091160,0ptp4l0-21swapper/620:03:106
114091160,0ptp4l0-21swapper/420:54:024
114091160,0ptp4l0-21swapper/420:24:144
114091160,0ptp4l0-21swapper/420:00:254
114091160,0ptp4l0-21swapper/419:36:104
114091160,0ptp4l0-21swapper/322:52:143
114091160,0ptp4l0-21swapper/220:29:562
114091160,0ptp4l0-21swapper/119:35:291
114091160,0ptp4l0-21swapper/020:58:510
114091160,0ptp4l0-21swapper/020:53:570
114091160,0ptp4l0-21swapper/020:13:510
114091160,0ptp4l0-21swapper/019:41:090
114091160,0ptp4l0-21swapper/019:28:200
114091150,0ptp4l0-21swapper/623:38:066
114091150,0ptp4l0-21swapper/622:10:286
114091150,0ptp4l0-21swapper/620:58:066
114091150,0ptp4l0-21swapper/620:36:456
114091150,0ptp4l0-21swapper/620:09:256
114091150,0ptp4l0-21swapper/619:42:556
114091150,0ptp4l0-21swapper/619:38:086
114091150,0ptp4l0-21swapper/619:10:016
114091150,0ptp4l0-21swapper/421:01:014
114091150,0ptp4l0-21swapper/420:33:384
114091150,0ptp4l0-21swapper/420:33:384
114091150,0ptp4l0-21swapper/420:26:494
114091150,0ptp4l0-21swapper/420:16:394
114091150,0ptp4l0-21swapper/420:05:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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