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2026-07-16 - 11:21

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 Jul 16, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391640,5ptp4l0-21swapper/019:07:450
111391610,2ptp4l0-21swapper/119:05:201
715025948,7sleep20-21swapper/219:07:492
721725533,7sleep70-21swapper/719:08:437
146422550,0sleep40-21swapper/400:19:584
111391550,5ptp4l0-21swapper/419:08:154
111391510,5ptp4l0-21swapper/519:07:155
728924736,6sleep60-21swapper/619:09:386
715124736,7sleep30-21swapper/319:07:513
111391350,0ptp4l0-21swapper/422:40:134
111391340,0ptp4l0-21swapper/000:15:170
111391330,0ptp4l0-21swapper/423:55:164
111391330,0ptp4l0-21swapper/422:28:054
111391330,0ptp4l0-21swapper/400:37:274
111391330,0ptp4l0-21swapper/023:37:130
111391330,0ptp4l0-21swapper/023:37:120
111391330,0ptp4l0-21swapper/020:55:170
111391320,0ptp4l0-21swapper/722:42:277
111391320,0ptp4l0-21swapper/422:02:214
111391320,0ptp4l0-21swapper/420:00:204
111391310,0ptp4l0-21swapper/423:00:394
111391310,0ptp4l0-21swapper/421:16:294
111391310,0ptp4l0-21swapper/421:10:504
111391310,0ptp4l0-21swapper/022:48:090
111391310,0ptp4l0-21swapper/022:40:240
111391310,0ptp4l0-21swapper/021:40:200
111391300,0ptp4l0-21swapper/423:23:114
111391300,0ptp4l0-21swapper/422:45:154
111391300,0ptp4l0-21swapper/422:24:144
111391300,0ptp4l0-21swapper/421:47:344
111391300,0ptp4l0-21swapper/421:29:084
111391300,0ptp4l0-21swapper/400:25:134
111391300,0ptp4l0-21swapper/400:14:124
111391300,0ptp4l0-21swapper/400:08:024
111391300,0ptp4l0-21swapper/321:58:243
111391300,0ptp4l0-21swapper/023:51:400
111391300,0ptp4l0-21swapper/023:49:110
111391300,0ptp4l0-21swapper/023:30:530
111391300,0ptp4l0-21swapper/023:30:530
111391300,0ptp4l0-21swapper/022:53:100
111391300,0ptp4l0-21swapper/022:35:110
111391300,0ptp4l0-21swapper/021:15:500
111391300,0ptp4l0-21swapper/000:30:480
111391290,0ptp4l0-21swapper/423:38:104
111391290,0ptp4l0-21swapper/423:38:104
111391290,0ptp4l0-21swapper/423:15:024
111391290,0ptp4l0-21swapper/423:08:374
111391290,0ptp4l0-21swapper/422:59:184
111391290,0ptp4l0-21swapper/422:33:344
111391290,0ptp4l0-21swapper/022:34:160
111391290,0ptp4l0-21swapper/021:30:540
111391290,0ptp4l0-21swapper/021:29:260
111391290,0ptp4l0-21swapper/000:36:480
111391280,0ptp4l0-21swapper/422:50:214
111391280,0ptp4l0-21swapper/421:52:534
111391280,0ptp4l0-21swapper/421:24:514
111391280,0ptp4l0-21swapper/023:57:310
111391280,0ptp4l0-21swapper/023:03:520
111391280,0ptp4l0-21swapper/022:26:180
111391280,0ptp4l0-21swapper/021:50:050
111391280,0ptp4l0-21swapper/021:37:030
111391280,0ptp4l0-21swapper/021:10:140
111391280,0ptp4l0-21swapper/019:15:130
111391270,0ptp4l0-21swapper/721:55:567
111391270,0ptp4l0-21swapper/400:32:094
111391270,0ptp4l0-21swapper/023:18:300
111391270,0ptp4l0-21swapper/022:21:400
111391270,0ptp4l0-21swapper/022:09:310
111391270,0ptp4l0-21swapper/021:20:350
111391260,2ptp4l101ktimersoftd/019:10:140
111391260,0ptp4l0-21swapper/521:50:465
111391260,0ptp4l0-21swapper/421:59:464
111391260,0ptp4l0-21swapper/421:10:004
111391260,0ptp4l0-21swapper/022:19:290
111391260,0ptp4l0-21swapper/022:13:050
111391260,0ptp4l0-21swapper/019:30:200
111391260,0ptp4l0-21swapper/000:20:150
111391260,0ptp4l0-21swapper/000:10:340
111391260,0ptp4l0-21swapper/000:06:480
111391260,0ptp4l0-21swapper/000:04:460
111391250,3ptp4l321ktimersoftd/222:34:022
111391250,1ptp4l641ktimersoftd/600:05:406
111391250,1ptp4l0-21swapper/622:40:186
111391250,0ptp4l0-21swapper/523:53:045
111391250,0ptp4l0-21swapper/521:15:155
111391250,0ptp4l0-21swapper/423:13:014
111391250,0ptp4l0-21swapper/422:13:094
111391250,0ptp4l0-21swapper/420:50:174
111391250,0ptp4l0-21swapper/419:44:094
111391250,0ptp4l0-21swapper/419:10:194
111391250,0ptp4l0-21swapper/400:23:564
111391250,0ptp4l0-21swapper/322:25:513
111391250,0ptp4l0-21swapper/221:12:012
111391250,0ptp4l0-21swapper/123:40:121
111391250,0ptp4l0-21swapper/023:23:210
111391250,0ptp4l0-21swapper/020:00:130
111391240,2ptp4l0-21swapper/123:09:341
111391240,2ptp4l0-21swapper/122:34:531
111391240,1ptp4l49-21ksoftirqd/422:17:444
111391240,1ptp4l30691-21diskmemload00:28:510
111391240,1ptp4l29875-21latency_hist21:50:010
111391240,1ptp4l23354-21cat19:40:190
111391240,1ptp4l23257-21cpuspeed_turbos23:05:110
111391240,0ptp4l0-21swapper/723:27:477
111391240,0ptp4l0-21swapper/522:04:035
111391240,0ptp4l0-21swapper/521:05:145
111391240,0ptp4l0-21swapper/520:46:205
111391240,0ptp4l0-21swapper/519:40:125
111391240,0ptp4l0-21swapper/423:52:544
111391240,0ptp4l0-21swapper/423:40:414
111391240,0ptp4l0-21swapper/423:30:204
111391240,0ptp4l0-21swapper/423:30:194
111391240,0ptp4l0-21swapper/421:43:004
111391240,0ptp4l0-21swapper/421:38:054
111391240,0ptp4l0-21swapper/421:00:124
111391240,0ptp4l0-21swapper/421:00:124
111391240,0ptp4l0-21swapper/420:40:154
111391240,0ptp4l0-21swapper/420:25:114
111391240,0ptp4l0-21swapper/419:25:574
111391240,0ptp4l0-21swapper/323:28:113
111391240,0ptp4l0-21swapper/322:11:443
111391240,0ptp4l0-21swapper/319:20:123
111391240,0ptp4l0-21swapper/300:23:103
111391240,0ptp4l0-21swapper/123:25:201
111391240,0ptp4l0-21swapper/121:55:121
111391240,0ptp4l0-21swapper/120:30:181
111391240,0ptp4l0-21swapper/119:50:171
111391240,0ptp4l0-21swapper/023:40:340
111391240,0ptp4l0-21swapper/022:55:190
111391240,0ptp4l0-21swapper/022:00:210
111391240,0ptp4l0-21swapper/021:00:180
111391240,0ptp4l0-21swapper/021:00:180
111391240,0ptp4l0-21swapper/020:40:580
111391240,0ptp4l0-21swapper/020:25:190
111391230,1ptp4l28968-21ssh00:37:331
111391230,1ptp4l2786-21ssh00:02:195
111391230,0ptp4l0-21swapper/722:52:247
111391230,0ptp4l0-21swapper/722:19:247
111391230,0ptp4l0-21swapper/700:00:207
111391230,0ptp4l0-21swapper/600:25:166
111391230,0ptp4l0-21swapper/523:30:145
111391230,0ptp4l0-21swapper/523:30:145
111391230,0ptp4l0-21swapper/523:25:185
111391230,0ptp4l0-21swapper/521:47:205
111391230,0ptp4l0-21swapper/520:40:205
111391230,0ptp4l0-21swapper/520:29:595
111391230,0ptp4l0-21swapper/423:49:274
111391230,0ptp4l0-21swapper/422:35:114
111391230,0ptp4l0-21swapper/422:05:064
111391230,0ptp4l0-21swapper/421:31:284
111391230,0ptp4l0-21swapper/420:55:154
111391230,0ptp4l0-21swapper/420:45:054
111391230,0ptp4l0-21swapper/420:20:194
111391230,0ptp4l0-21swapper/420:15:204
111391230,0ptp4l0-21swapper/420:10:144
111391230,0ptp4l0-21swapper/420:05:154
111391230,0ptp4l0-21swapper/419:50:114
111391230,0ptp4l0-21swapper/419:45:114
111391230,0ptp4l0-21swapper/419:35:164
111391230,0ptp4l0-21swapper/400:04:144
111391230,0ptp4l0-21swapper/322:19:203
111391230,0ptp4l0-21swapper/300:00:183
111391230,0ptp4l0-21swapper/123:15:151
111391230,0ptp4l0-21swapper/122:55:161
111391230,0ptp4l0-21swapper/122:45:581
111391230,0ptp4l0-21swapper/122:18:541
111391230,0ptp4l0-21swapper/122:07:421
111391230,0ptp4l0-21swapper/121:40:581
111391230,0ptp4l0-21swapper/121:20:201
111391230,0ptp4l0-21swapper/121:15:171
111391230,0ptp4l0-21swapper/121:05:191
111391230,0ptp4l0-21swapper/120:40:201
111391230,0ptp4l0-21swapper/119:25:151
111391230,0ptp4l0-21swapper/023:25:110
111391230,0ptp4l0-21swapper/023:10:120
111391230,0ptp4l0-21swapper/021:55:160
111391230,0ptp4l0-21swapper/020:50:120
111391230,0ptp4l0-21swapper/020:35:170
111391230,0ptp4l0-21swapper/020:15:140
111391230,0ptp4l0-21swapper/019:55:120
111391230,0ptp4l0-21swapper/019:45:130
111391230,0ptp4l0-21swapper/019:35:210
111391230,0ptp4l0-21swapper/019:24:290
111391220,0ptp4l30691-21diskmemload23:10:365
111391220,0ptp4l25-21ksoftirqd/119:32:441
111391220,0ptp4l0-21swapper/723:48:407
111391220,0ptp4l0-21swapper/722:11:537
111391220,0ptp4l0-21swapper/720:35:587
111391220,0ptp4l0-21swapper/719:20:157
111391220,0ptp4l0-21swapper/700:21:557
111391220,0ptp4l0-21swapper/623:24:566
111391220,0ptp4l0-21swapper/623:05:056
111391220,0ptp4l0-21swapper/523:56:545
111391220,0ptp4l0-21swapper/523:42:595
111391220,0ptp4l0-21swapper/523:35:465
111391220,0ptp4l0-21swapper/523:35:455
111391220,0ptp4l0-21swapper/523:19:275
111391220,0ptp4l0-21swapper/523:00:015
111391220,0ptp4l0-21swapper/522:48:545
111391220,0ptp4l0-21swapper/522:22:565
111391220,0ptp4l0-21swapper/522:15:125
111391220,0ptp4l0-21swapper/522:10:515
111391220,0ptp4l0-21swapper/522:08:165
111391220,0ptp4l0-21swapper/521:55:135
111391220,0ptp4l0-21swapper/521:39:175
111391220,0ptp4l0-21swapper/521:34:095
111391220,0ptp4l0-21swapper/521:20:205
111391220,0ptp4l0-21swapper/520:56:445
111391220,0ptp4l0-21swapper/520:35:135
111391220,0ptp4l0-21swapper/520:30:125
111391220,0ptp4l0-21swapper/519:59:485
111391220,0ptp4l0-21swapper/519:50:445
111391220,0ptp4l0-21swapper/519:25:135
111391220,0ptp4l0-21swapper/500:27:025
111391220,0ptp4l0-21swapper/500:16:525
111391220,0ptp4l0-21swapper/423:25:404
111391220,0ptp4l0-21swapper/420:35:154
111391220,0ptp4l0-21swapper/420:32:174
111391220,0ptp4l0-21swapper/419:55:114
111391220,0ptp4l0-21swapper/419:30:124
111391220,0ptp4l0-21swapper/419:15:184
111391220,0ptp4l0-21swapper/322:52:093
111391220,0ptp4l0-21swapper/322:42:283
111391220,0ptp4l0-21swapper/321:24:363
111391220,0ptp4l0-21swapper/321:16:533
111391220,0ptp4l0-21swapper/223:05:002
111391220,0ptp4l0-21swapper/222:40:172
111391220,0ptp4l0-21swapper/200:25:172
111391220,0ptp4l0-21swapper/123:55:221
111391220,0ptp4l0-21swapper/123:50:001
111391220,0ptp4l0-21swapper/123:45:511
111391220,0ptp4l0-21swapper/123:30:171
111391220,0ptp4l0-21swapper/123:30:171
111391220,0ptp4l0-21swapper/123:20:071
111391220,0ptp4l0-21swapper/123:10:131
111391220,0ptp4l0-21swapper/122:50:361
111391220,0ptp4l0-21swapper/122:28:231
111391220,0ptp4l0-21swapper/122:22:331
111391220,0ptp4l0-21swapper/122:10:501
111391220,0ptp4l0-21swapper/122:00:141
111391220,0ptp4l0-21swapper/121:53:321
111391220,0ptp4l0-21swapper/121:46:571
111391220,0ptp4l0-21swapper/121:39:171
111391220,0ptp4l0-21swapper/121:32:511
111391220,0ptp4l0-21swapper/121:11:111
111391220,0ptp4l0-21swapper/120:56:171
111391220,0ptp4l0-21swapper/120:00:121
111391220,0ptp4l0-21swapper/119:36:441
111391220,0ptp4l0-21swapper/119:25:001
111391220,0ptp4l0-21swapper/100:27:111
111391220,0ptp4l0-21swapper/100:16:241
111391220,0ptp4l0-21swapper/020:45:120
111391220,0ptp4l0-21swapper/020:20:010
111391220,0ptp4l0-21swapper/020:10:100
111391220,0ptp4l0-21swapper/020:05:120
111391220,0ptp4l0-21swapper/019:50:140
111391220,0ptp4l0-21swapper/019:25:160
111391210,1ptp4l6983-21sshd00:08:455
111391210,0ptp4l0-21swapper/723:59:557
111391210,0ptp4l0-21swapper/721:31:417
111391210,0ptp4l0-21swapper/721:16:527
111391210,0ptp4l0-21swapper/622:48:246
111391210,0ptp4l0-21swapper/621:28:216
111391210,0ptp4l0-21swapper/600:10:086
111391210,0ptp4l0-21swapper/523:46:355
111391210,0ptp4l0-21swapper/523:20:415
111391210,0ptp4l0-21swapper/523:05:255
111391210,0ptp4l0-21swapper/522:55:555
111391210,0ptp4l0-21swapper/522:50:045
111391210,0ptp4l0-21swapper/522:41:245
111391210,0ptp4l0-21swapper/522:35:385
111391210,0ptp4l0-21swapper/522:31:585
111391210,0ptp4l0-21swapper/522:28:085
111391210,0ptp4l0-21swapper/521:40:475
111391210,0ptp4l0-21swapper/521:26:015
111391210,0ptp4l0-21swapper/521:10:405
111391210,0ptp4l0-21swapper/520:18:085
111391210,0ptp4l0-21swapper/520:14:235
111391210,0ptp4l0-21swapper/500:33:575
111391210,0ptp4l0-21swapper/500:14:355
111391210,0ptp4l0-21swapper/419:24:434
111391210,0ptp4l0-21swapper/221:28:192
111391210,0ptp4l0-21swapper/200:17:342
111391210,0ptp4l0-21swapper/200:02:352
111391210,0ptp4l0-21swapper/123:35:371
111391210,0ptp4l0-21swapper/123:35:371
111391210,0ptp4l0-21swapper/122:40:001
111391210,0ptp4l0-21swapper/121:25:071
111391210,0ptp4l0-21swapper/121:01:031
111391210,0ptp4l0-21swapper/121:01:031
111391210,0ptp4l0-21swapper/120:54:171
111391210,0ptp4l0-21swapper/120:46:161
111391210,0ptp4l0-21swapper/120:35:011
111391210,0ptp4l0-21swapper/120:20:541
111391210,0ptp4l0-21swapper/120:11:451
111391210,0ptp4l0-21swapper/119:48:151
111391210,0ptp4l0-21swapper/100:05:321
111391210,0ptp4l0-21swapper/100:01:141
111391200,0ptp4l0-21swapper/721:24:397
111391200,0ptp4l0-21swapper/720:28:007
111391200,0ptp4l0-21swapper/621:54:346
111391200,0ptp4l0-21swapper/621:39:246
111391200,0ptp4l0-21swapper/600:31:426
111391200,0ptp4l0-21swapper/519:22:165
111391200,0ptp4l0-21swapper/500:37:015
111391200,0ptp4l0-21swapper/321:31:373
111391200,0ptp4l0-21swapper/223:24:552
111391200,0ptp4l0-21swapper/223:05:032
111391200,0ptp4l0-21swapper/222:47:042
111391200,0ptp4l0-21swapper/221:39:252
111391200,0ptp4l0-21swapper/200:10:042
111391200,0ptp4l0-21swapper/100:24:331
111391200,0ptp4l0-21swapper/100:11:221
111391200,0ptp4l0-21swapper/020:31:300
111391190,0ptp4l0-21swapper/722:25:487
111391190,0ptp4l0-21swapper/521:02:115
111391190,0ptp4l0-21swapper/521:02:115
111391190,0ptp4l0-21swapper/520:23:445
111391190,0ptp4l0-21swapper/519:46:085
111391190,0ptp4l0-21swapper/519:39:165
111391190,0ptp4l0-21swapper/500:24:355
111391190,0ptp4l0-21swapper/323:48:333
111391190,0ptp4l0-21swapper/221:18:572
111391190,0ptp4l0-21swapper/221:03:492
111391190,0ptp4l0-21swapper/221:03:492
111391190,0ptp4l0-21swapper/200:31:352
111391190,0ptp4l0-21swapper/123:02:511
111391190,0ptp4l0-21swapper/122:41:061
111391190,0ptp4l0-21swapper/119:43:431
111391190,0ptp4l0-21swapper/100:33:531
111391180,0ptp4l0-21swapper/221:54:082
111391180,0ptp4l0-21swapper/220:15:112
111391180,0ptp4l0-21swapper/220:08:402
111391180,0ptp4l0-21swapper/120:29:551
111391180,0ptp4l0-21swapper/120:06:451
111391180,0ptp4l0-21swapper/119:57:441
111391170,0ptp4l0-21swapper/600:36:036
111391170,0ptp4l0-21swapper/520:01:045
111391170,0ptp4l0-21swapper/200:09:002
111391170,0ptp4l0-21swapper/021:06:560
111391160,0ptp4l0-21swapper/619:14:156
111391160,0ptp4l0-21swapper/520:54:155
111391160,0ptp4l0-21swapper/519:16:565
111391160,0ptp4l0-21swapper/320:57:263
111391160,0ptp4l0-21swapper/119:18:581
7633991513,1cyclictest0-21swapper/722:30:127
111391150,0ptp4l0-21swapper/621:18:566
111391150,0ptp4l0-21swapper/621:12:036
111391150,0ptp4l0-21swapper/621:03:476
111391150,0ptp4l0-21swapper/621:03:476
111391150,0ptp4l0-21swapper/620:57:176
111391150,0ptp4l0-21swapper/620:45:336
111391150,0ptp4l0-21swapper/619:42:106
111391150,0ptp4l0-21swapper/619:32:236
111391150,0ptp4l0-21swapper/619:26:086
111391150,0ptp4l0-21swapper/520:06:355
111391150,0ptp4l0-21swapper/519:31:005
111391150,0ptp4l0-21swapper/519:10:465
111391150,0ptp4l0-21swapper/323:59:583
111391150,0ptp4l0-21swapper/320:27:213
111391150,0ptp4l0-21swapper/220:57:142
111391150,0ptp4l0-21swapper/220:45:292
111391150,0ptp4l0-21swapper/220:31:252
111391150,0ptp4l0-21swapper/219:31:292
111391150,0ptp4l0-21swapper/219:26:102
111391150,0ptp4l0-21swapper/120:16:561
111391150,0ptp4l0-21swapper/119:10:441
111391140,0ptp4l0-21swapper/720:57:267
111391140,0ptp4l0-21swapper/720:24:117
111391140,0ptp4l0-21swapper/622:34:046
111391140,0ptp4l0-21swapper/620:36:326
111391140,0ptp4l0-21swapper/620:15:106
111391140,0ptp4l0-21swapper/620:08:416
111391140,0ptp4l0-21swapper/619:54:426
111391140,0ptp4l0-21swapper/619:23:296
111391140,0ptp4l0-21swapper/320:35:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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