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2025-10-16 - 14:08

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 Oct 16, 2025 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091620,5ptp4l0-21swapper/219:07:582
114091620,5ptp4l0-21swapper/019:06:020
67626150,6sleep60-21swapper/619:05:536
100226150,6sleep30-21swapper/319:09:273
120862580,0sleep30-21swapper/319:30:173
120862580,0sleep30-21swapper/319:30:163
2120915734,14phc2sys0-21swapper/119:07:561
114091570,5ptp4l0-21swapper/419:05:394
96225645,7sleep70-21swapper/719:08:597
247962530,0sleep70-21swapper/720:00:007
165632470,0sleep10-21swapper/122:26:211
84024635,7sleep50-21swapper/519:07:305
114091340,0ptp4l0-21swapper/000:11:440
114091330,0ptp4l0-21swapper/522:55:495
114091330,0ptp4l0-21swapper/021:15:170
114091320,4ptp4l0-21swapper/522:43:425
114091320,3ptp4l0-21swapper/522:16:265
114091320,0ptp4l0-21swapper/520:20:005
114091320,0ptp4l0-21swapper/023:55:140
114091310,1ptp4l14902-21fw_forwarded_lo22:25:112
114091310,0ptp4l0-21swapper/523:05:005
114091310,0ptp4l0-21swapper/021:13:570
114091300,0ptp4l0-21swapper/622:53:156
114091300,0ptp4l0-21swapper/621:53:276
114091300,0ptp4l0-21swapper/221:32:022
114091290,0ptp4l0-21swapper/100:09:531
114091290,0ptp4l0-21swapper/023:34:480
114091280,5ptp4l22517-21kworker/1:223:20:151
114091280,0ptp4l0-21swapper/521:47:255
114091280,0ptp4l0-21swapper/521:20:475
114091280,0ptp4l0-21swapper/500:20:495
114091280,0ptp4l0-21swapper/400:10:204
114091280,0ptp4l0-21swapper/223:20:452
114091280,0ptp4l0-21swapper/221:20:202
114091280,0ptp4l0-21swapper/122:55:141
114091280,0ptp4l0-21swapper/121:46:471
114091280,0ptp4l0-21swapper/121:38:561
114091280,0ptp4l0-21swapper/022:58:040
114091280,0ptp4l0-21swapper/022:43:490
114091280,0ptp4l0-21swapper/021:37:470
114091270,3ptp4l0-21swapper/522:01:485
114091270,3ptp4l0-21swapper/522:01:475
114091270,0ptp4l14446-21ssh23:08:160
114091270,0ptp4l0-21swapper/623:22:496
114091270,0ptp4l0-21swapper/621:33:506
114091270,0ptp4l0-21swapper/422:59:134
114091270,0ptp4l0-21swapper/421:44:514
114091270,0ptp4l0-21swapper/421:24:294
114091270,0ptp4l0-21swapper/400:24:204
114091270,0ptp4l0-21swapper/223:13:372
114091270,0ptp4l0-21swapper/222:07:512
114091270,0ptp4l0-21swapper/222:07:502
114091270,0ptp4l0-21swapper/221:19:532
114091270,0ptp4l0-21swapper/121:10:051
114091270,0ptp4l0-21swapper/100:04:261
114091260,0ptp4l0-21swapper/623:03:026
114091260,0ptp4l0-21swapper/523:58:295
114091260,0ptp4l0-21swapper/423:22:034
114091260,0ptp4l0-21swapper/423:12:404
114091260,0ptp4l0-21swapper/421:13:114
114091260,0ptp4l0-21swapper/223:01:472
114091260,0ptp4l0-21swapper/200:13:512
114091260,0ptp4l0-21swapper/123:12:251
114091260,0ptp4l0-21swapper/122:38:351
114091260,0ptp4l0-21swapper/122:12:071
114091260,0ptp4l0-21swapper/122:10:011
114091260,0ptp4l0-21swapper/122:10:011
114091260,0ptp4l0-21swapper/121:17:531
114091260,0ptp4l0-21swapper/119:25:131
114091260,0ptp4l0-21swapper/119:25:121
114091260,0ptp4l0-21swapper/100:33:251
114091260,0ptp4l0-21swapper/022:30:310
114091260,0ptp4l0-21swapper/019:25:140
114091260,0ptp4l0-21swapper/019:25:140
114091250,2ptp4l0-21swapper/423:34:254
114091250,1ptp4l3908-21cat22:10:184
114091250,1ptp4l12879-21fw_conntrack23:50:133
114091250,1ptp4l12850-21df23:50:127
114091250,0ptp4l4769-21ssh00:24:081
114091250,0ptp4l0-21swapper/720:40:167
114091250,0ptp4l0-21swapper/523:20:145
114091250,0ptp4l0-21swapper/522:28:285
114091250,0ptp4l0-21swapper/522:20:155
114091250,0ptp4l0-21swapper/521:37:175
114091250,0ptp4l0-21swapper/521:34:415
114091250,0ptp4l0-21swapper/520:20:135
114091250,0ptp4l0-21swapper/519:40:185
114091250,0ptp4l0-21swapper/500:30:005
114091250,0ptp4l0-21swapper/500:03:225
114091250,0ptp4l0-21swapper/423:43:374
114091250,0ptp4l0-21swapper/423:07:564
114091250,0ptp4l0-21swapper/422:42:514
114091250,0ptp4l0-21swapper/422:34:434
114091250,0ptp4l0-21swapper/422:15:164
114091250,0ptp4l0-21swapper/422:04:374
114091250,0ptp4l0-21swapper/422:04:374
114091250,0ptp4l0-21swapper/420:35:104
114091250,0ptp4l0-21swapper/419:25:174
114091250,0ptp4l0-21swapper/419:25:164
114091250,0ptp4l0-21swapper/319:20:003
114091250,0ptp4l0-21swapper/222:37:002
114091250,0ptp4l0-21swapper/122:04:161
114091250,0ptp4l0-21swapper/122:04:151
114091250,0ptp4l0-21swapper/121:21:311
114091250,0ptp4l0-21swapper/023:43:540
114091250,0ptp4l0-21swapper/023:26:210
114091240,1ptp4l8784-21latency_hist20:34:595
114091240,1ptp4l4053-21munin-node19:15:015
114091240,1ptp4l26843-21smart_sda22:40:191
114091240,1ptp4l22718-21latency22:35:175
114091240,1ptp4l20462-21switchtime23:15:194
114091240,1ptp4l18348-21fw_forwarded_lo20:55:131
114091240,1ptp4l11440-21df_inode20:40:153
114091240,0ptp4l0-21swapper/722:39:567
114091240,0ptp4l0-21swapper/623:36:416
114091240,0ptp4l0-21swapper/622:28:336
114091240,0ptp4l0-21swapper/619:55:126
114091240,0ptp4l0-21swapper/619:45:156
114091240,0ptp4l0-21swapper/600:17:506
114091240,0ptp4l0-21swapper/523:54:475
114091240,0ptp4l0-21swapper/523:12:575
114091240,0ptp4l0-21swapper/522:13:455
114091240,0ptp4l0-21swapper/521:58:355
114091240,0ptp4l0-21swapper/521:25:215
114091240,0ptp4l0-21swapper/500:35:175
114091240,0ptp4l0-21swapper/422:46:404
114091240,0ptp4l0-21swapper/421:49:284
114091240,0ptp4l0-21swapper/421:28:524
114091240,0ptp4l0-21swapper/322:23:243
114091240,0ptp4l0-21swapper/319:20:123
114091240,0ptp4l0-21swapper/223:59:242
114091240,0ptp4l0-21swapper/223:35:472
114091240,0ptp4l0-21swapper/222:59:532
114091240,0ptp4l0-21swapper/221:11:172
114091240,0ptp4l0-21swapper/122:50:131
114091240,0ptp4l0-21swapper/122:30:211
114091240,0ptp4l0-21swapper/121:57:121
114091240,0ptp4l0-21swapper/121:29:201
114091240,0ptp4l0-21swapper/120:15:211
114091240,0ptp4l0-21swapper/100:12:151
114091240,0ptp4l0-21swapper/023:35:060
114091240,0ptp4l0-21swapper/023:14:220
114091240,0ptp4l0-21swapper/023:01:170
114091240,0ptp4l0-21swapper/022:15:170
114091240,0ptp4l0-21swapper/022:04:260
114091240,0ptp4l0-21swapper/022:04:250
114091230,2ptp4l0-21swapper/223:42:382
114091230,1ptp4l29495-21find22:45:115
114091230,1ptp4l20231-21fw_conntrack00:00:160
114091230,0ptp4l0-21swapper/719:20:197
114091230,0ptp4l0-21swapper/623:28:586
114091230,0ptp4l0-21swapper/620:50:126
114091230,0ptp4l0-21swapper/619:10:126
114091230,0ptp4l0-21swapper/600:15:006
114091230,0ptp4l0-21swapper/523:25:185
114091230,0ptp4l0-21swapper/523:15:105
114091230,0ptp4l0-21swapper/522:50:155
114091230,0ptp4l0-21swapper/522:30:225
114091230,0ptp4l0-21swapper/521:10:185
114091230,0ptp4l0-21swapper/520:05:155
114091230,0ptp4l0-21swapper/520:02:035
114091230,0ptp4l0-21swapper/519:25:205
114091230,0ptp4l0-21swapper/519:25:205
114091230,0ptp4l0-21swapper/500:15:155
114091230,0ptp4l0-21swapper/423:04:174
114091230,0ptp4l0-21swapper/421:55:224
114091230,0ptp4l0-21swapper/421:15:134
114091230,0ptp4l0-21swapper/420:20:204
114091230,0ptp4l0-21swapper/419:45:194
114091230,0ptp4l0-21swapper/400:39:544
114091230,0ptp4l0-21swapper/400:30:194
114091230,0ptp4l0-21swapper/400:15:124
114091230,0ptp4l0-21swapper/400:05:164
114091230,0ptp4l0-21swapper/323:45:003
114091230,0ptp4l0-21swapper/323:00:223
114091230,0ptp4l0-21swapper/321:55:013
114091230,0ptp4l0-21swapper/321:54:053
114091230,0ptp4l0-21swapper/220:50:152
114091230,0ptp4l0-21swapper/219:10:122
114091230,0ptp4l0-21swapper/200:35:112
114091230,0ptp4l0-21swapper/200:17:492
114091230,0ptp4l0-21swapper/123:40:211
114091230,0ptp4l0-21swapper/123:30:421
114091230,0ptp4l0-21swapper/123:25:001
114091230,0ptp4l0-21swapper/123:15:171
114091230,0ptp4l0-21swapper/123:05:191
114091230,0ptp4l0-21swapper/122:45:191
114091230,0ptp4l0-21swapper/122:20:221
114091230,0ptp4l0-21swapper/122:15:161
114091230,0ptp4l0-21swapper/121:50:201
114091230,0ptp4l0-21swapper/121:40:151
114091230,0ptp4l0-21swapper/120:45:001
114091230,0ptp4l0-21swapper/120:25:151
114091230,0ptp4l0-21swapper/120:20:171
114091230,0ptp4l0-21swapper/120:05:161
114091230,0ptp4l0-21swapper/119:50:141
114091230,0ptp4l0-21swapper/119:15:011
114091230,0ptp4l0-21swapper/100:35:131
114091230,0ptp4l0-21swapper/100:16:221
114091230,0ptp4l0-21swapper/022:10:190
114091230,0ptp4l0-21swapper/022:09:020
114091230,0ptp4l0-21swapper/022:09:010
114091230,0ptp4l0-21swapper/021:50:160
114091230,0ptp4l0-21swapper/021:45:210
114091230,0ptp4l0-21swapper/021:44:080
114091230,0ptp4l0-21swapper/021:05:090
114091230,0ptp4l0-21swapper/020:30:180
114091230,0ptp4l0-21swapper/000:30:170
114091230,0ptp4l0-21swapper/000:22:220
114091220,7ptp4l0-21swapper/520:59:585
114091220,1ptp4l13187-21ssh22:22:172
114091220,0ptp4l0-21swapper/723:45:127
114091220,0ptp4l0-21swapper/723:00:037
114091220,0ptp4l0-21swapper/722:40:117
114091220,0ptp4l0-21swapper/722:23:127
114091220,0ptp4l0-21swapper/721:53:537
114091220,0ptp4l0-21swapper/721:05:097
114091220,0ptp4l0-21swapper/719:30:137
114091220,0ptp4l0-21swapper/719:30:127
114091220,0ptp4l0-21swapper/623:31:066
114091220,0ptp4l0-21swapper/622:05:256
114091220,0ptp4l0-21swapper/622:05:256
114091220,0ptp4l0-21swapper/621:47:276
114091220,0ptp4l0-21swapper/621:20:096
114091220,0ptp4l0-21swapper/621:19:386
114091220,0ptp4l0-21swapper/621:11:096
114091220,0ptp4l0-21swapper/619:35:176
114091220,0ptp4l0-21swapper/600:25:186
114091220,0ptp4l0-21swapper/523:40:125
114091220,0ptp4l0-21swapper/523:39:255
114091220,0ptp4l0-21swapper/523:30:135
114091220,0ptp4l0-21swapper/523:00:495
114091220,0ptp4l0-21swapper/522:05:135
114091220,0ptp4l0-21swapper/522:05:125
114091220,0ptp4l0-21swapper/521:50:035
114091220,0ptp4l0-21swapper/521:40:135
114091220,0ptp4l0-21swapper/521:19:095
114091220,0ptp4l0-21swapper/521:05:115
114091220,0ptp4l0-21swapper/520:45:025
114091220,0ptp4l0-21swapper/519:55:175
114091220,0ptp4l0-21swapper/519:50:015
114091220,0ptp4l0-21swapper/500:30:135
114091220,0ptp4l0-21swapper/500:10:155
114091220,0ptp4l0-21swapper/500:05:225
114091220,0ptp4l0-21swapper/423:55:194
114091220,0ptp4l0-21swapper/423:53:234
114091220,0ptp4l0-21swapper/423:26:044
114091220,0ptp4l0-21swapper/422:35:114
114091220,0ptp4l0-21swapper/422:21:104
114091220,0ptp4l0-21swapper/422:05:224
114091220,0ptp4l0-21swapper/422:05:224
114091220,0ptp4l0-21swapper/421:50:084
114091220,0ptp4l0-21swapper/421:36:084
114091220,0ptp4l0-21swapper/421:10:004
114091220,0ptp4l0-21swapper/420:53:034
114091220,0ptp4l0-21swapper/420:45:114
114091220,0ptp4l0-21swapper/420:25:144
114091220,0ptp4l0-21swapper/420:10:144
114091220,0ptp4l0-21swapper/420:04:084
114091220,0ptp4l0-21swapper/419:35:174
114091220,0ptp4l0-21swapper/400:28:564
114091220,0ptp4l0-21swapper/400:00:154
114091220,0ptp4l0-21swapper/323:45:163
114091220,0ptp4l0-21swapper/322:40:143
114091220,0ptp4l0-21swapper/321:05:003
114091220,0ptp4l0-21swapper/222:51:112
114091220,0ptp4l0-21swapper/219:45:152
114091220,0ptp4l0-21swapper/200:34:582
114091220,0ptp4l0-21swapper/200:25:142
114091220,0ptp4l0-21swapper/200:24:332
114091220,0ptp4l0-21swapper/123:57:201
114091220,0ptp4l0-21swapper/123:35:131
114091220,0ptp4l0-21swapper/123:04:351
114091220,0ptp4l0-21swapper/121:05:161
114091220,0ptp4l0-21swapper/121:01:001
114091220,0ptp4l0-21swapper/120:45:101
114091220,0ptp4l0-21swapper/120:35:011
114091220,0ptp4l0-21swapper/120:10:561
114091220,0ptp4l0-21swapper/119:55:161
114091220,0ptp4l0-21swapper/119:35:121
114091220,0ptp4l0-21swapper/119:14:511
114091220,0ptp4l0-21swapper/100:27:271
114091220,0ptp4l0-21swapper/023:20:200
114091220,0ptp4l0-21swapper/022:35:200
114091220,0ptp4l0-21swapper/022:24:270
114091220,0ptp4l0-21swapper/021:55:120
114091220,0ptp4l0-21swapper/021:28:500
114091220,0ptp4l0-21swapper/021:20:370
114091220,0ptp4l0-21swapper/020:45:160
114091220,0ptp4l0-21swapper/020:35:120
114091220,0ptp4l0-21swapper/020:25:170
114091220,0ptp4l0-21swapper/020:10:120
114091220,0ptp4l0-21swapper/020:05:140
114091220,0ptp4l0-21swapper/019:55:150
114091220,0ptp4l0-21swapper/019:45:200
114091220,0ptp4l0-21swapper/019:40:170
114091220,0ptp4l0-21swapper/019:35:150
114091220,0ptp4l0-21swapper/000:35:120
114091220,0ptp4l0-21swapper/000:05:110
114091210,1ptp4l17605-21sshd20:54:131
114091210,0ptp4l0-21swapper/721:44:397
114091210,0ptp4l0-21swapper/623:43:216
114091210,0ptp4l0-21swapper/623:13:346
114091210,0ptp4l0-21swapper/622:59:476
114091210,0ptp4l0-21swapper/622:49:116
114091210,0ptp4l0-21swapper/622:36:386
114091210,0ptp4l0-21swapper/622:22:376
114091210,0ptp4l0-21swapper/621:27:056
114091210,0ptp4l0-21swapper/600:05:316
114091210,0ptp4l0-21swapper/520:42:385
114091210,0ptp4l0-21swapper/520:10:275
114091210,0ptp4l0-21swapper/519:13:515
114091210,0ptp4l0-21swapper/421:34:454
114091210,0ptp4l0-21swapper/420:56:144
114091210,0ptp4l0-21swapper/420:42:144
114091210,0ptp4l0-21swapper/420:30:194
114091210,0ptp4l0-21swapper/420:19:474
114091210,0ptp4l0-21swapper/420:05:154
114091210,0ptp4l0-21swapper/419:40:034
114091210,0ptp4l0-21swapper/323:32:333
114091210,0ptp4l0-21swapper/322:39:473
114091210,0ptp4l0-21swapper/321:44:443
114091210,0ptp4l0-21swapper/320:19:313
114091210,0ptp4l0-21swapper/223:53:572
114091210,0ptp4l0-21swapper/223:31:002
114091210,0ptp4l0-21swapper/223:28:402
114091210,0ptp4l0-21swapper/223:19:202
114091210,0ptp4l0-21swapper/221:52:572
114091210,0ptp4l0-21swapper/220:49:142
114091210,0ptp4l0-21swapper/219:26:082
114091210,0ptp4l0-21swapper/219:26:082
114091210,0ptp4l0-21swapper/123:54:091
114091210,0ptp4l0-21swapper/121:34:581
114091210,0ptp4l0-21swapper/120:00:161
114091210,0ptp4l0-21swapper/023:52:010
114091210,0ptp4l0-21swapper/023:15:510
114091210,0ptp4l0-21swapper/022:29:010
114091210,0ptp4l0-21swapper/021:34:130
114091210,0ptp4l0-21swapper/021:00:080
114091210,0ptp4l0-21swapper/019:15:060
114091210,0ptp4l0-21swapper/000:27:340
114091210,0ptp4l0-21swapper/000:18:490
114091200,4ptp4l0-21swapper/119:34:001
114091200,4ptp4l0-21swapper/119:33:591
114091200,0ptp4l0-21swapper/623:53:366
114091200,0ptp4l0-21swapper/623:19:296
114091200,0ptp4l0-21swapper/600:24:316
114091200,0ptp4l0-21swapper/521:00:045
114091200,0ptp4l0-21swapper/520:51:395
114091200,0ptp4l0-21swapper/520:39:145
114091200,0ptp4l0-21swapper/520:25:305
114091200,0ptp4l0-21swapper/519:50:245
114091200,0ptp4l0-21swapper/519:34:525
114091200,0ptp4l0-21swapper/519:34:525
114091200,0ptp4l0-21swapper/519:21:065
114091200,0ptp4l0-21swapper/423:38:044
114091200,0ptp4l0-21swapper/422:53:414
114091200,0ptp4l0-21swapper/422:28:234
114091200,0ptp4l0-21swapper/419:55:134
114091200,0ptp4l0-21swapper/419:20:444
114091200,0ptp4l0-21swapper/419:16:234
114091200,0ptp4l0-21swapper/321:05:073
114091200,0ptp4l0-21swapper/221:48:102
114091200,0ptp4l0-21swapper/221:27:092
114091200,0ptp4l0-21swapper/219:36:232
114091200,0ptp4l0-21swapper/120:33:421
114091200,0ptp4l0-21swapper/022:51:520
114091200,0ptp4l0-21swapper/022:46:150
114091200,0ptp4l0-21swapper/020:55:370
114091200,0ptp4l0-21swapper/020:51:320
114091200,0ptp4l0-21swapper/020:21:280
114091200,0ptp4l0-21swapper/020:01:060
114091200,0ptp4l0-21swapper/019:20:520
114091190,2ptp4l0-21swapper/519:39:215
114091190,0ptp4l0-21swapper/723:44:577
114091190,0ptp4l0-21swapper/723:32:217
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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