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2026-05-03 - 01:55

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 May 02, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139732740,1sleep413977-21timerandwakeup11:40:214
479426251,6sleep70-21swapper/707:06:547
111391620,31ptp4l0-21swapper/107:06:111
111391620,28ptp4l0-21swapper/007:05:580
111391610,5ptp4l0-21swapper/407:09:054
501225836,7sleep60-21swapper/607:09:426
473525735,7sleep30-21swapper/307:06:103
469625432,7sleep20-21swapper/207:05:372
111391530,7ptp4l0-21swapper/507:06:255
162262500,0sleep60-21swapper/610:17:496
111391380,0ptp4l0-21swapper/008:45:190
111391370,0ptp4l0-21swapper/011:27:310
111391330,0ptp4l0-21swapper/011:10:120
111391320,0ptp4l0-21swapper/409:45:094
111391320,0ptp4l0-21swapper/409:25:144
111391320,0ptp4l0-21swapper/009:26:240
111391310,2ptp4l0-21swapper/009:18:170
111391310,0ptp4l0-21swapper/510:30:165
111391310,0ptp4l0-21swapper/412:19:594
111391310,0ptp4l0-21swapper/111:47:301
111391310,0ptp4l0-21swapper/010:47:520
111391310,0ptp4l0-21swapper/009:20:130
111391300,0ptp4l0-21swapper/512:31:015
111391300,0ptp4l0-21swapper/509:39:395
111391300,0ptp4l0-21swapper/411:56:394
111391300,0ptp4l0-21swapper/410:07:024
111391300,0ptp4l0-21swapper/410:07:014
111391300,0ptp4l0-21swapper/409:19:124
111391300,0ptp4l0-21swapper/409:10:204
111391300,0ptp4l0-21swapper/010:42:490
111391300,0ptp4l0-21swapper/010:18:310
111391300,0ptp4l0-21swapper/009:45:370
111391300,0ptp4l0-21swapper/008:29:590
111391290,3ptp4l0-21swapper/411:53:214
111391290,0ptp4l0-21swapper/410:01:514
111391290,0ptp4l0-21swapper/410:01:514
111391290,0ptp4l0-21swapper/409:37:234
111391290,0ptp4l0-21swapper/408:25:264
111391290,0ptp4l0-21swapper/112:24:021
111391290,0ptp4l0-21swapper/012:21:390
111391290,0ptp4l0-21swapper/012:14:540
111391290,0ptp4l0-21swapper/011:51:410
111391290,0ptp4l0-21swapper/011:36:450
111391290,0ptp4l0-21swapper/010:57:470
111391290,0ptp4l0-21swapper/010:54:290
111391290,0ptp4l0-21swapper/007:50:140
111391280,0ptp4l27307-21ssh09:50:080
111391280,0ptp4l0-21swapper/412:33:224
111391280,0ptp4l0-21swapper/412:28:354
111391280,0ptp4l0-21swapper/411:18:194
111391280,0ptp4l0-21swapper/410:21:324
111391280,0ptp4l0-21swapper/409:44:194
111391280,0ptp4l0-21swapper/012:35:440
111391280,0ptp4l0-21swapper/010:36:270
111391280,0ptp4l0-21swapper/009:35:430
111391280,0ptp4l0-21swapper/009:31:570
111391270,2ptp4l0-21swapper/012:06:120
111391270,0ptp4l0-21swapper/511:22:255
111391270,0ptp4l0-21swapper/511:09:525
111391270,0ptp4l0-21swapper/510:46:165
111391270,0ptp4l0-21swapper/509:43:015
111391270,0ptp4l0-21swapper/509:28:155
111391270,0ptp4l0-21swapper/411:38:204
111391270,0ptp4l0-21swapper/411:34:514
111391270,0ptp4l0-21swapper/411:14:584
111391270,0ptp4l0-21swapper/411:05:124
111391270,0ptp4l0-21swapper/411:00:494
111391270,0ptp4l0-21swapper/410:26:484
111391270,0ptp4l0-21swapper/112:38:081
111391270,0ptp4l0-21swapper/109:16:051
111391270,0ptp4l0-21swapper/012:30:550
111391270,0ptp4l0-21swapper/011:05:170
111391270,0ptp4l0-21swapper/010:21:460
111391260,2ptp4l0-21swapper/410:49:144
111391260,1ptp4l8435-21diskstats08:25:135
111391260,1ptp4l0-21swapper/011:32:150
111391260,0ptp4l0-21swapper/510:09:155
111391260,0ptp4l0-21swapper/510:09:155
111391260,0ptp4l0-21swapper/412:06:554
111391260,0ptp4l0-21swapper/410:50:434
111391260,0ptp4l0-21swapper/407:30:124
111391260,0ptp4l0-21swapper/111:53:021
111391260,0ptp4l0-21swapper/110:50:131
111391260,0ptp4l0-21swapper/011:55:160
111391260,0ptp4l0-21swapper/011:48:290
111391260,0ptp4l0-21swapper/011:19:560
111391260,0ptp4l0-21swapper/011:04:260
111391260,0ptp4l0-21swapper/008:50:130
111391250,0ptp4l0-21swapper/609:35:176
111391250,0ptp4l0-21swapper/412:20:384
111391250,0ptp4l0-21swapper/412:11:394
111391250,0ptp4l0-21swapper/409:58:034
111391250,0ptp4l0-21swapper/409:50:154
111391250,0ptp4l0-21swapper/408:20:114
111391250,0ptp4l0-21swapper/111:09:021
111391250,0ptp4l0-21swapper/109:10:081
111391250,0ptp4l0-21swapper/012:00:130
111391250,0ptp4l0-21swapper/010:00:160
111391250,0ptp4l0-21swapper/010:00:150
111391250,0ptp4l0-21swapper/008:55:130
111391250,0ptp4l0-21swapper/008:30:110
111391250,0ptp4l0-21swapper/007:25:000
111391240,1ptp4l3294-21ls08:15:015
111391240,1ptp4l31587-21df08:05:140
111391240,1ptp4l26124-21munin-run09:05:001
111391240,1ptp4l24837-21irqstats09:00:164
111391240,1ptp4l16058-21memory07:30:170
111391240,1ptp4l14656-21munin-run08:40:001
111391240,1ptp4l13919-21df10:15:124
111391240,1ptp4l12896-21cut11:40:120
111391240,0ptp4l27405-21strings09:05:170
111391240,0ptp4l0-21swapper/512:29:455
111391240,0ptp4l0-21swapper/512:23:585
111391240,0ptp4l0-21swapper/511:46:005
111391240,0ptp4l0-21swapper/511:41:255
111391240,0ptp4l0-21swapper/510:10:105
111391240,0ptp4l0-21swapper/509:59:075
111391240,0ptp4l0-21swapper/412:35:134
111391240,0ptp4l0-21swapper/411:20:134
111391240,0ptp4l0-21swapper/410:35:164
111391240,0ptp4l0-21swapper/410:10:484
111391240,0ptp4l0-21swapper/408:30:164
111391240,0ptp4l0-21swapper/408:05:144
111391240,0ptp4l0-21swapper/407:47:154
111391240,0ptp4l0-21swapper/407:25:194
111391240,0ptp4l0-21swapper/407:25:194
111391240,0ptp4l0-21swapper/407:20:164
111391240,0ptp4l0-21swapper/107:15:151
111391240,0ptp4l0-21swapper/012:17:310
111391240,0ptp4l0-21swapper/009:40:170
111391240,0ptp4l0-21swapper/008:35:120
111391240,0ptp4l0-21swapper/008:20:010
111391240,0ptp4l0-21swapper/007:40:390
111391230,1ptp4l23925-21ssh12:37:515
111391230,1ptp4l2010-21sed08:10:170
111391230,1ptp4l1068-21runrttasks11:10:006
111391230,0ptp4l0-21swapper/611:44:386
111391230,0ptp4l0-21swapper/512:07:335
111391230,0ptp4l0-21swapper/511:17:025
111391230,0ptp4l0-21swapper/511:12:045
111391230,0ptp4l0-21swapper/510:59:185
111391230,0ptp4l0-21swapper/510:50:125
111391230,0ptp4l0-21swapper/509:15:115
111391230,0ptp4l0-21swapper/509:05:125
111391230,0ptp4l0-21swapper/508:40:195
111391230,0ptp4l0-21swapper/508:40:005
111391230,0ptp4l0-21swapper/507:45:195
111391230,0ptp4l0-21swapper/507:35:215
111391230,0ptp4l0-21swapper/507:15:015
111391230,0ptp4l0-21swapper/412:00:144
111391230,0ptp4l0-21swapper/411:45:174
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:41:544
111391230,0ptp4l0-21swapper/410:30:124
111391230,0ptp4l0-21swapper/409:30:134
111391230,0ptp4l0-21swapper/409:20:154
111391230,0ptp4l0-21swapper/408:55:124
111391230,0ptp4l0-21swapper/408:45:114
111391230,0ptp4l0-21swapper/408:35:164
111391230,0ptp4l0-21swapper/408:00:144
111391230,0ptp4l0-21swapper/407:10:134
111391230,0ptp4l0-21swapper/212:38:572
111391230,0ptp4l0-21swapper/212:21:402
111391230,0ptp4l0-21swapper/209:35:172
111391230,0ptp4l0-21swapper/207:32:332
111391230,0ptp4l0-21swapper/112:15:121
111391230,0ptp4l0-21swapper/112:10:201
111391230,0ptp4l0-21swapper/111:55:191
111391230,0ptp4l0-21swapper/111:41:331
111391230,0ptp4l0-21swapper/110:42:551
111391230,0ptp4l0-21swapper/110:30:161
111391230,0ptp4l0-21swapper/110:28:391
111391230,0ptp4l0-21swapper/110:15:201
111391230,0ptp4l0-21swapper/110:14:171
111391230,0ptp4l0-21swapper/109:28:111
111391230,0ptp4l0-21swapper/109:05:151
111391230,0ptp4l0-21swapper/108:40:131
111391230,0ptp4l0-21swapper/107:45:151
111391230,0ptp4l0-21swapper/107:35:171
111391230,0ptp4l0-21swapper/012:25:190
111391230,0ptp4l0-21swapper/011:20:120
111391230,0ptp4l0-21swapper/010:30:150
111391230,0ptp4l0-21swapper/010:25:170
111391230,0ptp4l0-21swapper/010:10:120
111391230,0ptp4l0-21swapper/010:05:370
111391230,0ptp4l0-21swapper/010:05:370
111391230,0ptp4l0-21swapper/009:55:170
111391230,0ptp4l0-21swapper/008:20:160
111391230,0ptp4l0-21swapper/008:00:130
111391230,0ptp4l0-21swapper/007:55:150
111391230,0ptp4l0-21swapper/007:25:120
111391230,0ptp4l0-21swapper/007:25:120
111391230,0ptp4l0-21swapper/007:10:120
111391220,2ptp4l0-21swapper/109:39:381
111391220,1ptp4l22530-21latency_hist11:10:002
111391220,0ptp4l31646-21ssh10:38:552
111391220,0ptp4l0-21swapper/612:21:426
111391220,0ptp4l0-21swapper/609:13:296
111391220,0ptp4l0-21swapper/512:15:105
111391220,0ptp4l0-21swapper/511:57:085
111391220,0ptp4l0-21swapper/511:31:125
111391220,0ptp4l0-21swapper/511:03:195
111391220,0ptp4l0-21swapper/510:42:415
111391220,0ptp4l0-21swapper/510:25:125
111391220,0ptp4l0-21swapper/510:03:015
111391220,0ptp4l0-21swapper/510:03:005
111391220,0ptp4l0-21swapper/509:22:545
111391220,0ptp4l0-21swapper/507:50:075
111391220,0ptp4l0-21swapper/411:25:054
111391220,0ptp4l0-21swapper/409:05:174
111391220,0ptp4l0-21swapper/408:50:134
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/407:55:164
111391220,0ptp4l0-21swapper/407:40:174
111391220,0ptp4l0-21swapper/407:16:174
111391220,0ptp4l0-21swapper/211:00:222
111391220,0ptp4l0-21swapper/210:49:542
111391220,0ptp4l0-21swapper/209:13:272
111391220,0ptp4l0-21swapper/112:08:301
111391220,0ptp4l0-21swapper/112:03:471
111391220,0ptp4l0-21swapper/111:33:231
111391220,0ptp4l0-21swapper/111:23:121
111391220,0ptp4l0-21swapper/111:00:331
111391220,0ptp4l0-21swapper/110:59:491
111391220,0ptp4l0-21swapper/110:46:151
111391220,0ptp4l0-21swapper/110:01:031
111391220,0ptp4l0-21swapper/110:01:031
111391220,0ptp4l0-21swapper/109:58:331
111391220,0ptp4l0-21swapper/109:51:191
111391220,0ptp4l0-21swapper/109:41:581
111391220,0ptp4l0-21swapper/109:22:411
111391220,0ptp4l0-21swapper/108:55:181
111391220,0ptp4l0-21swapper/107:15:001
111391220,0ptp4l0-21swapper/009:10:160
111391220,0ptp4l0-21swapper/009:02:250
111391220,0ptp4l0-21swapper/007:17:020
111391210,1ptp4l85250irq/31-eno1-rx-10:15:535
111391210,1ptp4l33-21ksoftirqd/212:07:502
111391210,0ptp4l0-21swapper/612:07:546
111391210,0ptp4l0-21swapper/612:02:556
111391210,0ptp4l0-21swapper/611:00:226
111391210,0ptp4l0-21swapper/609:46:446
111391210,0ptp4l0-21swapper/512:10:235
111391210,0ptp4l0-21swapper/512:03:395
111391210,0ptp4l0-21swapper/511:53:165
111391210,0ptp4l0-21swapper/511:28:285
111391210,0ptp4l0-21swapper/510:35:555
111391210,0ptp4l0-21swapper/509:49:115
111391210,0ptp4l0-21swapper/509:34:035
111391210,0ptp4l0-21swapper/509:14:415
111391210,0ptp4l0-21swapper/507:27:255
111391210,0ptp4l0-21swapper/507:27:255
111391210,0ptp4l0-21swapper/408:43:544
111391210,0ptp4l0-21swapper/408:10:154
111391210,0ptp4l0-21swapper/407:35:154
111391210,0ptp4l0-21swapper/309:16:333
111391210,0ptp4l0-21swapper/212:02:572
111391210,0ptp4l0-21swapper/211:40:312
111391210,0ptp4l0-21swapper/210:01:452
111391210,0ptp4l0-21swapper/210:01:452
111391210,0ptp4l0-21swapper/207:47:542
111391210,0ptp4l0-21swapper/112:33:491
111391210,0ptp4l0-21swapper/111:16:551
111391210,0ptp4l0-21swapper/109:34:001
111391210,0ptp4l0-21swapper/108:20:521
111391210,0ptp4l0-21swapper/108:01:501
111391210,0ptp4l0-21swapper/107:40:011
111391210,0ptp4l0-21swapper/007:35:160
111391200,1ptp4l22420-21diskstats07:45:120
111391200,0ptp4l0-21swapper/710:24:157
111391200,0ptp4l0-21swapper/709:16:257
111391200,0ptp4l0-21swapper/610:49:336
111391200,0ptp4l0-21swapper/511:35:365
111391200,0ptp4l0-21swapper/510:22:005
111391200,0ptp4l0-21swapper/509:52:085
111391200,0ptp4l0-21swapper/509:04:555
111391200,0ptp4l0-21swapper/508:49:155
111391200,0ptp4l0-21swapper/508:24:545
111391200,0ptp4l0-21swapper/407:50:354
111391200,0ptp4l0-21swapper/310:23:073
111391200,0ptp4l0-21swapper/211:20:452
111391200,0ptp4l0-21swapper/211:10:082
111391200,0ptp4l0-21swapper/209:46:412
111391200,0ptp4l0-21swapper/207:57:172
111391200,0ptp4l0-21swapper/207:52:262
111391200,0ptp4l0-21swapper/112:29:381
111391200,0ptp4l0-21swapper/111:28:191
111391200,0ptp4l0-21swapper/110:22:331
111391200,0ptp4l0-21swapper/110:07:341
111391200,0ptp4l0-21swapper/110:07:341
111391200,0ptp4l0-21swapper/109:45:411
111391200,0ptp4l0-21swapper/108:17:341
111391200,0ptp4l0-21swapper/107:50:151
280372190,0sleep30-21swapper/311:15:443
111391190,0ptp4l0-21swapper/611:10:236
111391190,0ptp4l0-21swapper/610:38:596
111391190,0ptp4l0-21swapper/610:03:516
111391190,0ptp4l0-21swapper/610:03:516
111391190,0ptp4l0-21swapper/210:26:382
111391190,0ptp4l0-21swapper/111:35:351
111391190,0ptp4l0-21swapper/111:12:581
111391190,0ptp4l0-21swapper/107:58:541
136822180,0sleep70-21swapper/710:57:307
111391180,0ptp4l0-21swapper/508:55:185
111391180,0ptp4l0-21swapper/210:58:062
111391180,0ptp4l0-21swapper/210:13:422
111391180,0ptp4l0-21swapper/108:50:261
111391180,0ptp4l0-21swapper/008:41:330
111391170,1ptp4l16955-21runrttasks07:32:091
111391170,0ptp4l0-21swapper/610:58:066
111391170,0ptp4l0-21swapper/610:26:366
111391170,0ptp4l0-21swapper/608:22:316
111391170,0ptp4l0-21swapper/507:59:435
111391170,0ptp4l0-21swapper/210:41:202
111391160,0ptp4l561ktimersoftd/507:14:445
111391160,0ptp4l0-21swapper/611:20:436
111391160,0ptp4l0-21swapper/609:24:246
111391160,0ptp4l0-21swapper/607:19:246
111391160,0ptp4l0-21swapper/507:42:335
111391160,0ptp4l0-21swapper/507:30:555
111391160,0ptp4l0-21swapper/507:23:195
111391160,0ptp4l0-21swapper/307:51:283
111391160,0ptp4l0-21swapper/209:24:242
111391160,0ptp4l0-21swapper/108:45:451
111391160,0ptp4l0-21swapper/108:25:121
111391160,0ptp4l0-21swapper/108:14:141
111391160,0ptp4l0-21swapper/107:20:031
88832150,0sleep773-21ksoftirqd/711:35:047
111391150,0ptp4l0-21swapper/707:50:497
111391150,0ptp4l0-21swapper/612:36:216
111391150,0ptp4l0-21swapper/610:13:436
111391150,0ptp4l0-21swapper/608:59:326
111391150,0ptp4l0-21swapper/608:19:186
111391150,0ptp4l0-21swapper/607:52:106
111391150,0ptp4l0-21swapper/607:48:116
111391150,0ptp4l0-21swapper/607:40:426
111391150,0ptp4l0-21swapper/607:32:326
111391150,0ptp4l0-21swapper/508:50:315
111391150,0ptp4l0-21swapper/508:16:015
111391150,0ptp4l0-21swapper/508:04:375
111391150,0ptp4l0-21swapper/208:22:282
111391150,0ptp4l0-21swapper/208:19:202
111391150,0ptp4l0-21swapper/207:19:132
111391150,0ptp4l0-21swapper/110:35:551
111391150,0ptp4l0-21swapper/107:26:091
111391150,0ptp4l0-21swapper/107:26:091
111391140,0ptp4l0-21swapper/610:09:376
111391140,0ptp4l0-21swapper/610:09:376
111391140,0ptp4l0-21swapper/608:36:296
111391140,0ptp4l0-21swapper/607:57:016
111391140,0ptp4l0-21swapper/208:59:342
111391140,0ptp4l0-21swapper/208:36:282
111391140,0ptp4l0-21swapper/207:40:412
532399119,1cyclictest0-21swapper/310:55:143
533799102,0cyclictest0-21swapper/508:31:175
532399108,1cyclictest0-21swapper/312:12:053
532399100,9cyclictest0-21swapper/311:14:163
532399100,9cyclictest0-21swapper/309:57:243
532399100,0cyclictest0-21swapper/311:53:143
532399100,0cyclictest0-21swapper/310:10:273
532399100,0cyclictest0-21swapper/308:39:553
531599109,0cyclictest0-21swapper/209:32:102
531599108,1cyclictest0-21swapper/212:34:272
531599100,9cyclictest0-21swapper/212:12:552
531599100,9cyclictest0-21swapper/211:52:382
531599100,9cyclictest0-21swapper/210:08:002
531599100,9cyclictest0-21swapper/210:07:592
531599100,0cyclictest0-21swapper/210:53:242
188191100,1phc2sys1770-21fw_conntrack11:25:146
53239998,0cyclictest0-21swapper/312:33:083
53239997,1cyclictest23013-21idleruntime-cro09:45:013
53239990,8cyclictest0-21swapper/307:38:573
53239990,0cyclictest0-21swapper/307:55:173
53159998,0cyclictest0-21swapper/211:33:382
53529980,7cyclictest26752-21sshd11:58:537
53529980,7cyclictest19428-21sshd07:39:297
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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