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2026-07-19 - 06:49

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 Sun Jul 19, 2026 00:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391670,5ptp4l0-21swapper/419:05:004
1303726140,6sleep70-21swapper/719:07:027
111391600,5ptp4l0-21swapper/619:09:246
111391590,5ptp4l0-21swapper/019:06:260
111391590,28ptp4l0-21swapper/219:07:052
1314225735,7sleep10-21swapper/119:08:241
1299924938,7sleep50-21swapper/519:06:375
1290024836,7sleep30-21swapper/319:05:223
111391390,1ptp4l14022-21grep00:10:124
111391370,1ptp4l4373-21df23:15:130
111391340,0ptp4l0-21swapper/423:30:004
111391340,0ptp4l0-21swapper/421:53:314
111391330,7ptp4l0-21swapper/423:34:274
111391320,0ptp4l4311-21diskmemload22:40:550
111391320,0ptp4l0-21swapper/023:29:250
111391310,7ptp4l4311-21diskmemload22:02:271
111391310,0ptp4l0-21swapper/421:20:174
111391310,0ptp4l0-21swapper/400:02:594
111391310,0ptp4l0-21swapper/000:12:180
111391300,4ptp4l0-21swapper/423:51:204
111391300,3ptp4l0-21swapper/422:02:354
111391300,0ptp4l0-21swapper/723:28:127
111391300,0ptp4l0-21swapper/519:20:145
111391300,0ptp4l0-21swapper/500:35:355
111391300,0ptp4l0-21swapper/423:40:184
111391300,0ptp4l0-21swapper/423:17:104
111391300,0ptp4l0-21swapper/421:57:004
111391300,0ptp4l0-21swapper/100:22:541
111391300,0ptp4l0-21swapper/023:46:320
111391290,4ptp4l0-21swapper/400:08:264
111391290,0ptp4l0-21swapper/623:13:496
111391290,0ptp4l0-21swapper/500:11:295
111391290,0ptp4l0-21swapper/422:11:224
111391290,0ptp4l0-21swapper/022:57:210
111391290,0ptp4l0-21swapper/022:57:210
111391290,0ptp4l0-21swapper/021:17:060
111391290,0ptp4l0-21swapper/000:39:300
111391280,4ptp4l22517-21ssh00:21:524
111391280,3ptp4l0-21swapper/421:17:504
111391280,1ptp4l4311-21diskmemload22:41:451
111391280,0ptp4l0-21swapper/423:00:014
111391280,0ptp4l0-21swapper/423:00:014
111391280,0ptp4l0-21swapper/422:39:534
111391280,0ptp4l0-21swapper/422:25:344
111391280,0ptp4l0-21swapper/421:41:044
111391280,0ptp4l0-21swapper/121:35:381
111391280,0ptp4l0-21swapper/121:20:361
111391280,0ptp4l0-21swapper/121:19:041
111391280,0ptp4l0-21swapper/100:15:161
111391280,0ptp4l0-21swapper/023:55:240
111391280,0ptp4l0-21swapper/023:36:340
111391280,0ptp4l0-21swapper/022:48:170
111391280,0ptp4l0-21swapper/020:30:130
111391270,0ptp4l0-21swapper/523:46:205
111391270,0ptp4l0-21swapper/523:14:455
111391270,0ptp4l0-21swapper/522:03:365
111391270,0ptp4l0-21swapper/423:35:164
111391270,0ptp4l0-21swapper/423:03:384
111391270,0ptp4l0-21swapper/423:03:374
111391270,0ptp4l0-21swapper/422:44:384
111391270,0ptp4l0-21swapper/422:30:464
111391270,0ptp4l0-21swapper/421:39:124
111391270,0ptp4l0-21swapper/421:15:014
111391270,0ptp4l0-21swapper/419:35:164
111391270,0ptp4l0-21swapper/322:51:343
111391270,0ptp4l0-21swapper/100:11:221
111391270,0ptp4l0-21swapper/023:20:350
111391270,0ptp4l0-21swapper/020:00:200
111391270,0ptp4l0-21swapper/000:27:230
111391260,2ptp4l0-21swapper/122:22:151
111391260,0ptp4l0-21swapper/722:51:337
111391260,0ptp4l0-21swapper/722:22:077
111391260,0ptp4l0-21swapper/522:20:565
111391260,0ptp4l0-21swapper/421:48:034
111391260,0ptp4l0-21swapper/419:10:204
111391260,0ptp4l0-21swapper/323:27:243
111391260,0ptp4l0-21swapper/022:32:170
111391260,0ptp4l0-21swapper/000:24:100
111391250,0ptp4l0-21swapper/721:21:297
111391250,0ptp4l0-21swapper/523:23:195
111391250,0ptp4l0-21swapper/520:10:235
111391250,0ptp4l0-21swapper/500:20:175
111391250,0ptp4l0-21swapper/423:55:124
111391250,0ptp4l0-21swapper/423:45:574
111391250,0ptp4l0-21swapper/423:10:194
111391250,0ptp4l0-21swapper/423:05:224
111391250,0ptp4l0-21swapper/422:50:184
111391250,0ptp4l0-21swapper/421:35:004
111391250,0ptp4l0-21swapper/400:27:124
111391250,0ptp4l0-21swapper/123:50:011
111391250,0ptp4l0-21swapper/121:32:031
111391250,0ptp4l0-21swapper/119:55:121
111391250,0ptp4l0-21swapper/023:30:090
111391250,0ptp4l0-21swapper/023:11:210
111391250,0ptp4l0-21swapper/023:01:530
111391250,0ptp4l0-21swapper/023:01:530
111391250,0ptp4l0-21swapper/022:54:320
111391250,0ptp4l0-21swapper/022:06:280
111391250,0ptp4l0-21swapper/022:05:000
111391250,0ptp4l0-21swapper/021:55:210
111391250,0ptp4l0-21swapper/021:40:170
111391250,0ptp4l0-21swapper/021:32:560
111391250,0ptp4l0-21swapper/020:50:120
111391250,0ptp4l0-21swapper/019:25:150
111391240,3ptp4l561ktimersoftd/500:15:595
111391240,1ptp4l32543-21users23:50:225
111391240,1ptp4l27324-21users19:35:190
111391240,1ptp4l16805-21fw_packets21:25:150
111391240,1ptp4l14107-21/usr/sbin/munin20:20:214
111391240,1ptp4l14107-21/usr/sbin/munin20:20:204
111391240,0ptp4l0-21swapper/521:50:455
111391240,0ptp4l0-21swapper/521:18:505
111391240,0ptp4l0-21swapper/520:55:155
111391240,0ptp4l0-21swapper/422:49:324
111391240,0ptp4l0-21swapper/421:29:584
111391240,0ptp4l0-21swapper/420:40:134
111391240,0ptp4l0-21swapper/420:30:174
111391240,0ptp4l0-21swapper/420:29:154
111391240,0ptp4l0-21swapper/400:35:124
111391240,0ptp4l0-21swapper/400:17:454
111391240,0ptp4l0-21swapper/320:15:163
111391240,0ptp4l0-21swapper/320:15:153
111391240,0ptp4l0-21swapper/223:55:142
111391240,0ptp4l0-21swapper/121:47:521
111391240,0ptp4l0-21swapper/120:15:111
111391240,0ptp4l0-21swapper/120:15:101
111391240,0ptp4l0-21swapper/023:54:540
111391240,0ptp4l0-21swapper/023:40:130
111391240,0ptp4l0-21swapper/022:24:120
111391240,0ptp4l0-21swapper/021:55:000
111391240,0ptp4l0-21swapper/021:39:160
111391240,0ptp4l0-21swapper/021:20:170
111391240,0ptp4l0-21swapper/020:45:170
111391240,0ptp4l0-21swapper/020:27:060
111391240,0ptp4l0-21swapper/019:50:140
111391240,0ptp4l0-21swapper/000:33:250
111391230,1ptp4l30146-21/usr/sbin/munin20:55:201
111391230,1ptp4l27713-21latency_hist19:40:015
111391230,1ptp4l1584-21/usr/sbin/munin21:00:204
111391230,0ptp4l33-21ksoftirqd/221:30:422
111391230,0ptp4l0-21swapper/722:46:417
111391230,0ptp4l0-21swapper/720:15:197
111391230,0ptp4l0-21swapper/720:15:187
111391230,0ptp4l0-21swapper/623:23:496
111391230,0ptp4l0-21swapper/623:08:546
111391230,0ptp4l0-21swapper/621:13:046
111391230,0ptp4l0-21swapper/619:10:006
111391230,0ptp4l0-21swapper/523:40:245
111391230,0ptp4l0-21swapper/523:38:035
111391230,0ptp4l0-21swapper/523:00:215
111391230,0ptp4l0-21swapper/523:00:205
111391230,0ptp4l0-21swapper/522:10:005
111391230,0ptp4l0-21swapper/521:30:135
111391230,0ptp4l0-21swapper/521:02:515
111391230,0ptp4l0-21swapper/520:40:175
111391230,0ptp4l0-21swapper/520:20:195
111391230,0ptp4l0-21swapper/520:20:185
111391230,0ptp4l0-21swapper/519:52:025
111391230,0ptp4l0-21swapper/500:00:125
111391230,0ptp4l0-21swapper/423:25:014
111391230,0ptp4l0-21swapper/422:15:114
111391230,0ptp4l0-21swapper/421:05:144
111391230,0ptp4l0-21swapper/420:50:184
111391230,0ptp4l0-21swapper/420:45:114
111391230,0ptp4l0-21swapper/420:35:124
111391230,0ptp4l0-21swapper/419:50:154
111391230,0ptp4l0-21swapper/419:40:124
111391230,0ptp4l0-21swapper/419:30:154
111391230,0ptp4l0-21swapper/419:15:214
111391230,0ptp4l0-21swapper/400:30:454
111391230,0ptp4l0-21swapper/223:25:192
111391230,0ptp4l0-21swapper/222:30:112
111391230,0ptp4l0-21swapper/222:10:392
111391230,0ptp4l0-21swapper/221:59:362
111391230,0ptp4l0-21swapper/221:13:032
111391230,0ptp4l0-21swapper/200:06:292
111391230,0ptp4l0-21swapper/123:50:141
111391230,0ptp4l0-21swapper/123:40:231
111391230,0ptp4l0-21swapper/122:47:261
111391230,0ptp4l0-21swapper/121:50:301
111391230,0ptp4l0-21swapper/120:40:151
111391230,0ptp4l0-21swapper/120:39:011
111391230,0ptp4l0-21swapper/119:40:191
111391230,0ptp4l0-21swapper/119:35:001
111391230,0ptp4l0-21swapper/100:35:331
111391230,0ptp4l0-21swapper/100:05:381
111391230,0ptp4l0-21swapper/100:00:201
111391230,0ptp4l0-21swapper/022:35:170
111391230,0ptp4l0-21swapper/022:25:550
111391230,0ptp4l0-21swapper/022:12:480
111391230,0ptp4l0-21swapper/021:45:150
111391230,0ptp4l0-21swapper/021:10:140
111391230,0ptp4l0-21swapper/021:05:000
111391230,0ptp4l0-21swapper/021:00:010
111391230,0ptp4l0-21swapper/020:20:130
111391230,0ptp4l0-21swapper/020:20:120
111391230,0ptp4l0-21swapper/020:18:490
111391230,0ptp4l0-21swapper/020:18:480
111391230,0ptp4l0-21swapper/019:24:210
111391230,0ptp4l0-21swapper/019:15:010
111391230,0ptp4l0-21swapper/000:06:290
111391220,1ptp4l17813-21ssh23:32:021
111391220,0ptp4l4311-21diskmemload22:34:421
111391220,0ptp4l0-21swapper/623:43:166
111391220,0ptp4l0-21swapper/623:25:206
111391220,0ptp4l0-21swapper/622:54:036
111391220,0ptp4l0-21swapper/622:45:546
111391220,0ptp4l0-21swapper/622:16:216
111391220,0ptp4l0-21swapper/622:10:456
111391220,0ptp4l0-21swapper/621:59:356
111391220,0ptp4l0-21swapper/600:19:456
111391220,0ptp4l0-21swapper/600:07:466
111391220,0ptp4l0-21swapper/523:58:485
111391220,0ptp4l0-21swapper/523:16:055
111391220,0ptp4l0-21swapper/523:06:055
111391220,0ptp4l0-21swapper/522:42:315
111391220,0ptp4l0-21swapper/522:26:545
111391220,0ptp4l0-21swapper/522:16:525
111391220,0ptp4l0-21swapper/522:11:305
111391220,0ptp4l0-21swapper/521:49:245
111391220,0ptp4l0-21swapper/521:40:295
111391220,0ptp4l0-21swapper/521:35:475
111391220,0ptp4l0-21swapper/521:20:125
111391220,0ptp4l0-21swapper/521:11:485
111391220,0ptp4l0-21swapper/519:55:205
111391220,0ptp4l0-21swapper/519:35:005
111391220,0ptp4l0-21swapper/500:30:185
111391220,0ptp4l0-21swapper/500:28:265
111391220,0ptp4l0-21swapper/422:20:004
111391220,0ptp4l0-21swapper/422:05:034
111391220,0ptp4l0-21swapper/420:10:154
111391220,0ptp4l0-21swapper/420:05:114
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:25:184
111391220,0ptp4l0-21swapper/322:46:433
111391220,0ptp4l0-21swapper/322:21:183
111391220,0ptp4l0-21swapper/321:29:213
111391220,0ptp4l0-21swapper/321:21:313
111391220,0ptp4l0-21swapper/223:43:132
111391220,0ptp4l0-21swapper/223:37:552
111391220,0ptp4l0-21swapper/223:22:202
111391220,0ptp4l0-21swapper/222:45:592
111391220,0ptp4l0-21swapper/221:46:422
111391220,0ptp4l0-21swapper/221:44:522
111391220,0ptp4l0-21swapper/123:58:061
111391220,0ptp4l0-21swapper/123:23:051
111391220,0ptp4l0-21swapper/123:02:101
111391220,0ptp4l0-21swapper/123:02:101
111391220,0ptp4l0-21swapper/122:55:431
111391220,0ptp4l0-21swapper/122:55:431
111391220,0ptp4l0-21swapper/122:26:531
111391220,0ptp4l0-21swapper/122:18:231
111391220,0ptp4l0-21swapper/122:11:331
111391220,0ptp4l0-21swapper/122:08:461
111391220,0ptp4l0-21swapper/121:58:251
111391220,0ptp4l0-21swapper/121:43:141
111391220,0ptp4l0-21swapper/121:25:481
111391220,0ptp4l0-21swapper/121:10:401
111391220,0ptp4l0-21swapper/120:26:311
111391220,0ptp4l0-21swapper/120:20:181
111391220,0ptp4l0-21swapper/120:20:171
111391220,0ptp4l0-21swapper/120:10:181
111391220,0ptp4l0-21swapper/120:05:291
111391220,0ptp4l0-21swapper/119:20:211
111391220,0ptp4l0-21swapper/100:30:191
111391220,0ptp4l0-21swapper/100:28:181
111391220,0ptp4l0-21swapper/023:05:160
111391220,0ptp4l0-21swapper/022:15:130
111391220,0ptp4l0-21swapper/021:05:090
111391220,0ptp4l0-21swapper/020:35:180
111391220,0ptp4l0-21swapper/020:05:130
111391220,0ptp4l0-21swapper/019:45:120
111391220,0ptp4l0-21swapper/019:30:130
111391220,0ptp4l0-21swapper/019:10:150
111391220,0ptp4l0-21swapper/000:15:010
111391220,0ptp4l0-21swapper/000:01:180
111391210,2ptp4l0-21swapper/520:38:525
111391210,1ptp4l4311-21diskmemload00:05:015
111391210,0ptp4l4311-21diskmemload23:14:202
111391210,0ptp4l0-21swapper/723:09:097
111391210,0ptp4l0-21swapper/623:37:476
111391210,0ptp4l0-21swapper/622:40:016
111391210,0ptp4l0-21swapper/622:30:076
111391210,0ptp4l0-21swapper/621:44:566
111391210,0ptp4l0-21swapper/621:21:506
111391210,0ptp4l0-21swapper/600:13:376
111391210,0ptp4l0-21swapper/600:01:456
111391210,0ptp4l0-21swapper/523:31:515
111391210,0ptp4l0-21swapper/523:25:455
111391210,0ptp4l0-21swapper/522:47:295
111391210,0ptp4l0-21swapper/521:56:355
111391210,0ptp4l0-21swapper/521:25:545
111391210,0ptp4l0-21swapper/520:48:465
111391210,0ptp4l0-21swapper/520:15:005
111391210,0ptp4l0-21swapper/520:15:005
111391210,0ptp4l0-21swapper/519:40:395
111391210,0ptp4l0-21swapper/420:59:524
111391210,0ptp4l0-21swapper/420:00:134
111391210,0ptp4l0-21swapper/419:58:294
111391210,0ptp4l0-21swapper/323:36:523
111391210,0ptp4l0-21swapper/323:09:143
111391210,0ptp4l0-21swapper/219:23:302
111391210,0ptp4l0-21swapper/200:01:472
111391210,0ptp4l0-21swapper/123:35:431
111391210,0ptp4l0-21swapper/123:25:481
111391210,0ptp4l0-21swapper/123:19:051
111391210,0ptp4l0-21swapper/123:12:081
111391210,0ptp4l0-21swapper/123:05:521
111391210,0ptp4l0-21swapper/121:01:581
111391210,0ptp4l0-21swapper/119:16:521
111391210,0ptp4l0-21swapper/020:40:130
111391210,0ptp4l0-21swapper/019:40:190
111391200,0ptp4l0-21swapper/721:29:197
111391200,0ptp4l0-21swapper/621:46:426
111391200,0ptp4l0-21swapper/619:55:356
111391200,0ptp4l0-21swapper/522:34:035
111391200,0ptp4l0-21swapper/520:01:295
111391200,0ptp4l0-21swapper/519:16:395
111391200,0ptp4l0-21swapper/420:18:074
111391200,0ptp4l0-21swapper/420:18:064
111391200,0ptp4l0-21swapper/419:24:544
111391200,0ptp4l0-21swapper/223:08:582
111391200,0ptp4l0-21swapper/223:02:372
111391200,0ptp4l0-21swapper/223:02:372
111391200,0ptp4l0-21swapper/222:55:172
111391200,0ptp4l0-21swapper/222:55:172
111391200,0ptp4l0-21swapper/222:53:562
111391200,0ptp4l0-21swapper/222:43:542
111391200,0ptp4l0-21swapper/221:21:582
111391200,0ptp4l0-21swapper/200:14:072
111391200,0ptp4l0-21swapper/122:36:211
111391200,0ptp4l0-21swapper/120:34:301
111391200,0ptp4l0-21swapper/120:01:411
111391200,0ptp4l0-21swapper/020:11:290
111391190,0ptp4l0-21swapper/623:31:166
111391190,0ptp4l0-21swapper/522:57:355
111391190,0ptp4l0-21swapper/522:57:355
111391190,0ptp4l0-21swapper/522:36:215
111391190,0ptp4l0-21swapper/222:16:212
111391190,0ptp4l0-21swapper/222:04:512
111391190,0ptp4l0-21swapper/119:52:261
111391180,0ptp4l0-21swapper/623:02:396
111391180,0ptp4l0-21swapper/623:02:396
111391180,0ptp4l0-21swapper/622:04:516
111391180,0ptp4l0-21swapper/519:26:305
111391180,0ptp4l0-21swapper/223:31:152
111391180,0ptp4l0-21swapper/222:39:572
111391180,0ptp4l0-21swapper/119:29:361
111391170,0ptp4l0-21swapper/623:56:126
111391170,0ptp4l0-21swapper/622:55:196
111391170,0ptp4l0-21swapper/622:55:196
111391170,0ptp4l0-21swapper/619:30:126
111391170,0ptp4l0-21swapper/600:37:086
111391170,0ptp4l0-21swapper/319:58:513
111391160,0ptp4l0-21swapper/619:19:316
111391160,0ptp4l0-21swapper/520:54:505
111391160,0ptp4l0-21swapper/520:34:395
111391160,0ptp4l0-21swapper/519:46:035
111391160,0ptp4l0-21swapper/220:33:402
111391160,0ptp4l0-21swapper/120:54:571
111391160,0ptp4l0-21swapper/119:10:501
111391150,0ptp4l0-21swapper/720:52:467
111391150,0ptp4l0-21swapper/719:58:487
111391150,0ptp4l0-21swapper/622:37:406
111391150,0ptp4l0-21swapper/620:46:216
111391150,0ptp4l0-21swapper/620:33:456
111391150,0ptp4l0-21swapper/620:28:206
111391150,0ptp4l0-21swapper/620:07:116
111391150,0ptp4l0-21swapper/620:00:566
111391150,0ptp4l0-21swapper/619:50:516
111391150,0ptp4l0-21swapper/619:38:246
111391150,0ptp4l0-21swapper/619:23:316
111391150,0ptp4l0-21swapper/600:33:206
111391150,0ptp4l0-21swapper/520:26:035
111391150,0ptp4l0-21swapper/520:06:085
111391150,0ptp4l0-21swapper/519:10:375
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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