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2025-11-22 - 05:43

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 22, 2025 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
181682770,0sleep00-21swapper/023:45:130
65142730,1sleep10-21swapper/120:05:181
294932650,0sleep10-21swapper/122:30:161
114091630,30ptp4l0-21swapper/119:05:141
200602620,0sleep60-21swapper/620:35:186
1132526252,6sleep70-21swapper/719:06:537
2120915937,7phc2sys0-21swapper/019:08:530
114091590,5ptp4l0-21swapper/519:08:235
1122125332,7sleep20-21swapper/219:05:362
1126625139,7sleep30-21swapper/319:06:093
1151724938,6sleep60-21swapper/619:09:256
1127624635,7sleep40-21swapper/419:06:184
114091350,0ptp4l0-21swapper/421:00:194
114091350,0ptp4l0-21swapper/419:15:154
114091330,0ptp4l0-21swapper/423:57:584
114091330,0ptp4l0-21swapper/423:40:374
114091330,0ptp4l0-21swapper/422:28:484
114091330,0ptp4l0-21swapper/421:21:584
114091310,0ptp4l0-21swapper/723:38:207
114091300,0ptp4l0-21swapper/523:29:245
114091300,0ptp4l0-21swapper/522:28:555
114091300,0ptp4l0-21swapper/521:39:265
114091300,0ptp4l0-21swapper/122:37:001
114091290,2ptp4l0-21swapper/100:34:421
114091290,0ptp4l0-21swapper/523:18:415
114091290,0ptp4l0-21swapper/223:13:272
114091290,0ptp4l0-21swapper/122:08:041
114091290,0ptp4l0-21swapper/122:00:001
114091290,0ptp4l0-21swapper/100:18:281
114091280,3ptp4l0-21swapper/123:50:081
114091280,0ptp4l0-21swapper/622:29:396
114091280,0ptp4l0-21swapper/500:34:405
114091280,0ptp4l0-21swapper/421:44:104
114091280,0ptp4l0-21swapper/023:06:570
114091270,0ptp4l0-21swapper/621:34:526
114091270,0ptp4l0-21swapper/422:00:144
114091270,0ptp4l0-21swapper/421:39:214
114091270,0ptp4l0-21swapper/421:28:124
114091270,0ptp4l0-21swapper/400:34:504
114091270,0ptp4l0-21swapper/121:19:091
114091260,7ptp4l0-21swapper/420:08:434
114091260,7ptp4l0-21swapper/119:15:351
114091260,2ptp4l0-21swapper/423:46:404
114091260,0ptp4l0-21swapper/522:18:135
114091260,0ptp4l0-21swapper/423:39:564
114091260,0ptp4l0-21swapper/221:34:392
114091260,0ptp4l0-21swapper/121:41:191
114091260,0ptp4l0-21swapper/100:36:231
114091260,0ptp4l0-21swapper/022:20:110
114091260,0ptp4l0-21swapper/021:30:120
114091260,0ptp4l0-21swapper/021:26:140
114091260,0ptp4l0-21swapper/021:20:430
114091250,3ptp4l481ktimersoftd/400:21:224
114091250,2ptp4l0-21swapper/121:57:151
114091250,0ptp4l0-21swapper/522:30:445
114091250,0ptp4l0-21swapper/522:01:175
114091250,0ptp4l0-21swapper/423:23:524
114091250,0ptp4l0-21swapper/421:15:434
114091250,0ptp4l0-21swapper/419:35:144
114091250,0ptp4l0-21swapper/122:50:141
114091250,0ptp4l0-21swapper/122:50:141
114091250,0ptp4l0-21swapper/121:00:121
114091250,0ptp4l0-21swapper/022:00:130
114091250,0ptp4l0-21swapper/021:59:250
114091250,0ptp4l0-21swapper/000:19:190
114091240,1ptp4l4325-21find20:00:201
114091240,1ptp4l4051-21ps23:25:174
114091240,1ptp4l30720-21cut21:00:011
114091240,1ptp4l28254-21latency_hist22:30:001
114091240,1ptp4l26741-21ps20:50:141
114091240,1ptp4l22073-21if_err_virbr020:40:121
114091240,1ptp4l21506-21/usr/sbin/munin23:50:204
114091240,1ptp4l2114-21cat19:55:190
114091240,1ptp4l19993-21if_virbr019:25:172
114091240,1ptp4l14860-21interrupts22:55:150
114091240,1ptp4l12121-21users22:05:200
114091240,1ptp4l11888-21timerandwakeup21:20:201
114091240,0ptp4l0-21swapper/722:46:347
114091240,0ptp4l0-21swapper/600:20:156
114091240,0ptp4l0-21swapper/523:32:085
114091240,0ptp4l0-21swapper/523:05:175
114091240,0ptp4l0-21swapper/523:00:185
114091240,0ptp4l0-21swapper/522:50:185
114091240,0ptp4l0-21swapper/522:50:185
114091240,0ptp4l0-21swapper/522:47:055
114091240,0ptp4l0-21swapper/522:10:155
114091240,0ptp4l0-21swapper/522:08:045
114091240,0ptp4l0-21swapper/521:25:245
114091240,0ptp4l0-21swapper/520:50:155
114091240,0ptp4l0-21swapper/520:50:015
114091240,0ptp4l0-21swapper/520:05:195
114091240,0ptp4l0-21swapper/519:45:145
114091240,0ptp4l0-21swapper/519:35:185
114091240,0ptp4l0-21swapper/500:18:135
114091240,0ptp4l0-21swapper/500:05:135
114091240,0ptp4l0-21swapper/422:45:184
114091240,0ptp4l0-21swapper/422:39:444
114091240,0ptp4l0-21swapper/419:57:164
114091240,0ptp4l0-21swapper/400:25:144
114091240,0ptp4l0-21swapper/323:20:063
114091240,0ptp4l0-21swapper/221:46:402
114091240,0ptp4l0-21swapper/123:55:141
114091240,0ptp4l0-21swapper/121:45:191
114091240,0ptp4l0-21swapper/121:10:161
114091240,0ptp4l0-21swapper/120:45:131
114091240,0ptp4l0-21swapper/119:55:201
114091240,0ptp4l0-21swapper/119:45:111
114091240,0ptp4l0-21swapper/119:30:171
114091240,0ptp4l0-21swapper/023:19:280
114091240,0ptp4l0-21swapper/019:45:190
114091240,0ptp4l0-21swapper/019:15:220
114091230,1ptp4l9428-21ssh22:47:311
114091230,1ptp4l21502-21cpuspeed_turbos21:35:140
114091230,1ptp4l16865-21ssh22:58:151
114091230,0ptp4l0-21swapper/723:20:147
114091230,0ptp4l0-21swapper/622:35:136
114091230,0ptp4l0-21swapper/523:53:585
114091230,0ptp4l0-21swapper/523:45:185
114091230,0ptp4l0-21swapper/523:37:075
114091230,0ptp4l0-21swapper/522:40:005
114091230,0ptp4l0-21swapper/522:20:385
114091230,0ptp4l0-21swapper/521:58:285
114091230,0ptp4l0-21swapper/521:51:165
114091230,0ptp4l0-21swapper/521:40:105
114091230,0ptp4l0-21swapper/520:55:145
114091230,0ptp4l0-21swapper/520:40:155
114091230,0ptp4l0-21swapper/520:35:185
114091230,0ptp4l0-21swapper/520:15:195
114091230,0ptp4l0-21swapper/520:15:195
114091230,0ptp4l0-21swapper/520:10:155
114091230,0ptp4l0-21swapper/520:00:175
114091230,0ptp4l0-21swapper/519:30:145
114091230,0ptp4l0-21swapper/519:20:155
114091230,0ptp4l0-21swapper/519:10:155
114091230,0ptp4l0-21swapper/500:35:165
114091230,0ptp4l0-21swapper/500:25:155
114091230,0ptp4l0-21swapper/500:10:165
114091230,0ptp4l0-21swapper/423:34:314
114091230,0ptp4l0-21swapper/423:15:144
114091230,0ptp4l0-21swapper/422:10:114
114091230,0ptp4l0-21swapper/421:59:304
114091230,0ptp4l0-21swapper/420:45:204
114091230,0ptp4l0-21swapper/420:25:154
114091230,0ptp4l0-21swapper/420:15:114
114091230,0ptp4l0-21swapper/420:15:114
114091230,0ptp4l0-21swapper/419:40:244
114091230,0ptp4l0-21swapper/323:37:373
114091230,0ptp4l0-21swapper/322:45:223
114091230,0ptp4l0-21swapper/322:12:183
114091230,0ptp4l0-21swapper/319:25:203
114091230,0ptp4l0-21swapper/123:45:111
114091230,0ptp4l0-21swapper/123:40:181
114091230,0ptp4l0-21swapper/123:25:141
114091230,0ptp4l0-21swapper/123:25:001
114091230,0ptp4l0-21swapper/123:10:161
114091230,0ptp4l0-21swapper/123:05:141
114091230,0ptp4l0-21swapper/122:40:171
114091230,0ptp4l0-21swapper/121:30:171
114091230,0ptp4l0-21swapper/121:25:141
114091230,0ptp4l0-21swapper/120:15:161
114091230,0ptp4l0-21swapper/120:15:151
114091230,0ptp4l0-21swapper/120:10:111
114091230,0ptp4l0-21swapper/119:50:141
114091230,0ptp4l0-21swapper/119:40:161
114091230,0ptp4l0-21swapper/119:10:101
114091230,0ptp4l0-21swapper/100:21:131
114091230,0ptp4l0-21swapper/100:05:141
114091230,0ptp4l0-21swapper/100:00:111
114091230,0ptp4l0-21swapper/023:40:290
114091230,0ptp4l0-21swapper/023:30:150
114091230,0ptp4l0-21swapper/023:25:210
114091230,0ptp4l0-21swapper/023:22:320
114091230,0ptp4l0-21swapper/023:10:220
114091230,0ptp4l0-21swapper/023:00:170
114091230,0ptp4l0-21swapper/022:45:150
114091230,0ptp4l0-21swapper/022:16:280
114091230,0ptp4l0-21swapper/022:10:130
114091230,0ptp4l0-21swapper/021:15:230
114091230,0ptp4l0-21swapper/021:14:340
114091230,0ptp4l0-21swapper/021:05:120
114091230,0ptp4l0-21swapper/020:55:190
114091230,0ptp4l0-21swapper/020:30:120
114091230,0ptp4l0-21swapper/019:35:100
114091230,0ptp4l0-21swapper/000:37:110
114091230,0ptp4l0-21swapper/000:10:190
114091220,2ptp4l0-21swapper/400:16:274
114091220,0ptp4l0-21swapper/623:50:156
114091220,0ptp4l0-21swapper/623:47:406
114091220,0ptp4l0-21swapper/623:25:326
114091220,0ptp4l0-21swapper/622:45:146
114091220,0ptp4l0-21swapper/619:25:146
114091220,0ptp4l0-21swapper/600:29:366
114091220,0ptp4l0-21swapper/600:02:326
114091220,0ptp4l0-21swapper/523:56:045
114091220,0ptp4l0-21swapper/523:41:525
114091220,0ptp4l0-21swapper/523:22:395
114091220,0ptp4l0-21swapper/523:10:185
114091220,0ptp4l0-21swapper/522:56:105
114091220,0ptp4l0-21swapper/522:35:275
114091220,0ptp4l0-21swapper/521:45:105
114091220,0ptp4l0-21swapper/521:30:205
114091220,0ptp4l0-21swapper/521:20:025
114091220,0ptp4l0-21swapper/521:15:195
114091220,0ptp4l0-21swapper/521:10:135
114091220,0ptp4l0-21swapper/521:05:195
114091220,0ptp4l0-21swapper/520:23:325
114091220,0ptp4l0-21swapper/519:55:135
114091220,0ptp4l0-21swapper/519:50:165
114091220,0ptp4l0-21swapper/500:22:425
114091220,0ptp4l0-21swapper/500:00:145
114091220,0ptp4l0-21swapper/423:10:224
114091220,0ptp4l0-21swapper/423:00:024
114091220,0ptp4l0-21swapper/422:55:164
114091220,0ptp4l0-21swapper/422:50:264
114091220,0ptp4l0-21swapper/422:50:254
114091220,0ptp4l0-21swapper/422:41:084
114091220,0ptp4l0-21swapper/422:31:024
114091220,0ptp4l0-21swapper/422:20:214
114091220,0ptp4l0-21swapper/422:15:114
114091220,0ptp4l0-21swapper/422:05:184
114091220,0ptp4l0-21swapper/421:50:204
114091220,0ptp4l0-21swapper/421:30:134
114091220,0ptp4l0-21swapper/421:10:194
114091220,0ptp4l0-21swapper/421:05:124
114091220,0ptp4l0-21swapper/420:30:134
114091220,0ptp4l0-21swapper/400:10:184
114091220,0ptp4l0-21swapper/400:07:404
114091220,0ptp4l0-21swapper/323:48:343
114091220,0ptp4l0-21swapper/322:34:323
114091220,0ptp4l0-21swapper/223:50:142
114091220,0ptp4l0-21swapper/223:48:032
114091220,0ptp4l0-21swapper/220:55:342
114091220,0ptp4l0-21swapper/220:16:072
114091220,0ptp4l0-21swapper/220:16:072
114091220,0ptp4l0-21swapper/200:20:112
114091220,0ptp4l0-21swapper/123:35:101
114091220,0ptp4l0-21swapper/123:30:081
114091220,0ptp4l0-21swapper/123:15:151
114091220,0ptp4l0-21swapper/123:00:131
114091220,0ptp4l0-21swapper/122:20:061
114091220,0ptp4l0-21swapper/122:15:161
114091220,0ptp4l0-21swapper/122:10:141
114091220,0ptp4l0-21swapper/121:52:021
114091220,0ptp4l0-21swapper/121:35:181
114091220,0ptp4l0-21swapper/121:05:181
114091220,0ptp4l0-21swapper/120:35:201
114091220,0ptp4l0-21swapper/120:20:221
114091220,0ptp4l0-21swapper/119:26:001
114091220,0ptp4l0-21swapper/119:20:151
114091220,0ptp4l0-21swapper/100:25:031
114091220,0ptp4l0-21swapper/100:10:111
114091220,0ptp4l0-21swapper/023:57:430
114091220,0ptp4l0-21swapper/023:51:110
114091220,0ptp4l0-21swapper/022:51:010
114091220,0ptp4l0-21swapper/022:51:000
114091220,0ptp4l0-21swapper/022:35:140
114091220,0ptp4l0-21swapper/022:28:380
114091220,0ptp4l0-21swapper/021:50:120
114091220,0ptp4l0-21swapper/021:45:180
114091220,0ptp4l0-21swapper/021:00:180
114091220,0ptp4l0-21swapper/020:35:160
114091220,0ptp4l0-21swapper/020:25:110
114091220,0ptp4l0-21swapper/020:15:110
114091220,0ptp4l0-21swapper/020:15:110
114091220,0ptp4l0-21swapper/020:00:190
114091220,0ptp4l0-21swapper/019:40:190
114091220,0ptp4l0-21swapper/019:20:210
114091220,0ptp4l0-21swapper/000:31:390
114091220,0ptp4l0-21swapper/000:25:170
114091220,0ptp4l0-21swapper/000:22:200
114091220,0ptp4l0-21swapper/000:04:450
114091210,1ptp4l14310-21sshd20:24:210
114091210,0ptp4l0-21swapper/723:49:177
114091210,0ptp4l0-21swapper/722:34:557
114091210,0ptp4l0-21swapper/623:36:546
114091210,0ptp4l0-21swapper/623:11:146
114091210,0ptp4l0-21swapper/622:06:026
114091210,0ptp4l0-21swapper/621:46:386
114091210,0ptp4l0-21swapper/619:40:476
114091210,0ptp4l0-21swapper/520:25:015
114091210,0ptp4l0-21swapper/519:41:335
114091210,0ptp4l0-21swapper/519:15:005
114091210,0ptp4l0-21swapper/423:05:014
114091210,0ptp4l0-21swapper/421:47:584
114091210,0ptp4l0-21swapper/420:00:194
114091210,0ptp4l0-21swapper/419:30:034
114091210,0ptp4l0-21swapper/400:01:034
114091210,0ptp4l0-21swapper/223:36:562
114091210,0ptp4l0-21swapper/223:25:362
114091210,0ptp4l0-21swapper/222:19:202
114091210,0ptp4l0-21swapper/222:10:322
114091210,0ptp4l0-21swapper/221:35:062
114091210,0ptp4l0-21swapper/120:33:341
114091210,0ptp4l0-21swapper/023:39:540
114091210,0ptp4l0-21swapper/022:40:130
114091210,0ptp4l0-21swapper/022:32:030
114091210,0ptp4l0-21swapper/021:40:000
114091210,0ptp4l0-21swapper/000:06:030
114091200,0ptp4l0-21swapper/722:12:247
114091200,0ptp4l0-21swapper/719:25:207
114091200,0ptp4l0-21swapper/623:15:556
114091200,0ptp4l0-21swapper/622:31:286
114091200,0ptp4l0-21swapper/621:35:096
114091200,0ptp4l0-21swapper/521:00:135
114091200,0ptp4l0-21swapper/519:26:155
114091200,0ptp4l0-21swapper/419:11:594
114091200,0ptp4l0-21swapper/400:37:134
114091200,0ptp4l0-21swapper/323:19:583
114091200,0ptp4l0-21swapper/322:23:243
114091200,0ptp4l0-21swapper/223:15:542
114091200,0ptp4l0-21swapper/222:45:122
114091200,0ptp4l0-21swapper/222:41:182
114091200,0ptp4l0-21swapper/222:09:392
114091200,0ptp4l0-21swapper/200:02:222
114091200,0ptp4l0-21swapper/119:35:181
114091200,0ptp4l0-21swapper/020:50:070
114091200,0ptp4l0-21swapper/020:11:210
114091200,0ptp4l0-21swapper/020:08:460
114091200,0ptp4l0-21swapper/019:14:310
114091190,0ptp4l0-21swapper/723:19:597
114091190,0ptp4l0-21swapper/700:01:417
114091190,0ptp4l0-21swapper/622:41:166
114091190,0ptp4l0-21swapper/621:56:356
114091190,0ptp4l0-21swapper/621:23:336
114091190,0ptp4l0-21swapper/620:55:396
114091190,0ptp4l0-21swapper/600:18:536
114091190,0ptp4l0-21swapper/600:11:216
114091190,0ptp4l0-21swapper/520:33:235
114091190,0ptp4l0-21swapper/419:28:214
114091190,0ptp4l0-21swapper/322:35:013
114091190,0ptp4l0-21swapper/222:35:102
114091190,0ptp4l0-21swapper/221:55:542
114091190,0ptp4l0-21swapper/221:42:202
114091190,0ptp4l0-21swapper/200:28:082
114091190,0ptp4l0-21swapper/200:18:492
114091190,0ptp4l0-21swapper/120:29:341
114091190,0ptp4l0-21swapper/020:40:410
114091180,0ptp4l0-21swapper/622:19:276
114091180,0ptp4l0-21swapper/622:10:346
114091180,0ptp4l0-21swapper/621:42:216
114091180,0ptp4l0-21swapper/420:40:144
114091180,0ptp4l0-21swapper/300:01:413
114091180,0ptp4l0-21swapper/222:27:462
114091180,0ptp4l0-21swapper/220:38:012
114091180,0ptp4l0-21swapper/200:11:272
114091180,0ptp4l0-21swapper/019:50:220
11838991716,0cyclictest21470-21kworker/0:119:32:430
114091170,0ptp4l0-21swapper/722:35:037
114091170,0ptp4l0-21swapper/622:55:396
114091170,0ptp4l0-21swapper/419:24:104
114091170,0ptp4l0-21swapper/221:23:302
1185999160,1cyclictest0-21swapper/319:15:163
11838991615,0cyclictest30655-21kworker/0:220:48:590
114091160,0ptp4l0-21swapper/620:16:076
114091160,0ptp4l0-21swapper/620:16:076
114091160,0ptp4l0-21swapper/419:45:164
114091160,0ptp4l0-21swapper/222:31:302
114091160,0ptp4l0-21swapper/019:29:210
114091150,0ptp4l0-21swapper/620:20:016
114091150,0ptp4l0-21swapper/620:11:326
114091150,0ptp4l0-21swapper/619:49:526
114091150,0ptp4l0-21swapper/619:21:206
114091150,0ptp4l0-21swapper/619:18:386
114091150,0ptp4l0-21swapper/420:56:444
114091150,0ptp4l0-21swapper/420:50:224
114091150,0ptp4l0-21swapper/420:35:034
114091150,0ptp4l0-21swapper/420:20:284
114091150,0ptp4l0-21swapper/420:11:104
114091150,0ptp4l0-21swapper/419:50:264
114091150,0ptp4l0-21swapper/223:58:072
114091150,0ptp4l0-21swapper/221:02:432
114091150,0ptp4l0-21swapper/219:49:562
114091150,0ptp4l0-21swapper/219:40:562
114091150,0ptp4l0-21swapper/219:18:382
114091140,0ptp4l0-21swapper/722:23:247
114091140,0ptp4l0-21swapper/623:06:566
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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