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2026-05-13 - 17:43

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 Wed May 13, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881916432,13phc2sys0-21swapper/107:08:431
111391630,5ptp4l0-21swapper/407:07:474
2437525948,6sleep70-21swapper/707:06:347
111391590,5ptp4l0-21swapper/007:07:420
288632570,0sleep70-21swapper/711:36:277
2450725342,7sleep20-21swapper/207:08:132
2274024837,6sleep60-21swapper/607:05:056
2431524736,7sleep30-21swapper/307:05:423
111391470,3ptp4l23385-21/usr/sbin/munin07:05:165
111391330,0ptp4l0-21swapper/010:14:560
111391330,0ptp4l0-21swapper/010:01:380
111391320,0ptp4l0-21swapper/009:45:350
111391310,1ptp4l2491499cyclictest11:22:000
111391310,0ptp4l0-21swapper/411:14:074
111391310,0ptp4l0-21swapper/011:55:160
111391300,0ptp4l0-21swapper/611:40:516
111391300,0ptp4l0-21swapper/509:44:595
111391300,0ptp4l0-21swapper/110:36:001
111391300,0ptp4l0-21swapper/110:35:591
111391300,0ptp4l0-21swapper/110:25:151
111391290,3ptp4l0-21swapper/107:30:181
111391290,0ptp4l0-21swapper/509:13:355
111391290,0ptp4l0-21swapper/409:27:254
111391290,0ptp4l0-21swapper/309:20:203
111391290,0ptp4l0-21swapper/112:31:591
111391290,0ptp4l0-21swapper/111:25:411
111391290,0ptp4l0-21swapper/109:40:161
111391290,0ptp4l0-21swapper/109:14:591
111391290,0ptp4l0-21swapper/010:36:350
111391290,0ptp4l0-21swapper/010:36:350
111391280,0ptp4l0-21swapper/412:30:354
111391280,0ptp4l0-21swapper/410:44:074
111391280,0ptp4l0-21swapper/410:04:224
111391280,0ptp4l0-21swapper/409:43:124
111391280,0ptp4l0-21swapper/110:05:391
111391280,0ptp4l0-21swapper/009:53:560
111391280,0ptp4l0-21swapper/009:18:290
111391270,0ptp4l0-21swapper/510:29:365
111391270,0ptp4l0-21swapper/510:01:115
111391270,0ptp4l0-21swapper/507:10:215
111391270,0ptp4l0-21swapper/412:08:374
111391270,0ptp4l0-21swapper/411:20:384
111391270,0ptp4l0-21swapper/411:18:574
111391270,0ptp4l0-21swapper/410:46:174
111391270,0ptp4l0-21swapper/410:33:164
111391270,0ptp4l0-21swapper/012:36:070
111391270,0ptp4l0-21swapper/011:37:080
111391270,0ptp4l0-21swapper/009:42:350
111391260,0ptp4l0-21swapper/511:30:125
111391260,0ptp4l0-21swapper/412:02:214
111391260,0ptp4l0-21swapper/411:45:124
111391260,0ptp4l0-21swapper/411:29:064
111391260,0ptp4l0-21swapper/410:05:114
111391260,0ptp4l0-21swapper/012:29:330
111391260,0ptp4l0-21swapper/011:02:330
111391250,1ptp4l12225-21irqrtprio07:50:164
111391250,0ptp4l0-21swapper/512:39:115
111391250,0ptp4l0-21swapper/511:04:525
111391250,0ptp4l0-21swapper/408:40:194
111391250,0ptp4l0-21swapper/112:15:121
111391250,0ptp4l0-21swapper/111:51:011
111391250,0ptp4l0-21swapper/111:32:541
111391250,0ptp4l0-21swapper/109:56:501
111391250,0ptp4l0-21swapper/109:30:341
111391250,0ptp4l0-21swapper/107:55:201
111391250,0ptp4l0-21swapper/107:35:161
111391250,0ptp4l0-21swapper/008:00:150
111391250,0ptp4l0-21swapper/008:00:150
111391250,0ptp4l0-21swapper/007:25:000
111391240,4ptp4l0-21swapper/212:03:042
111391240,3ptp4l0-21swapper/111:07:401
111391240,1ptp4l6371-21sed11:50:144
111391240,1ptp4l1526-21sed07:25:195
111391240,0ptp4l0-21swapper/707:45:187
111391240,0ptp4l0-21swapper/512:25:155
111391240,0ptp4l0-21swapper/511:11:595
111391240,0ptp4l0-21swapper/509:45:115
111391240,0ptp4l0-21swapper/509:36:175
111391240,0ptp4l0-21swapper/507:30:195
111391240,0ptp4l0-21swapper/411:40:134
111391240,0ptp4l0-21swapper/411:01:044
111391240,0ptp4l0-21swapper/410:21:464
111391240,0ptp4l0-21swapper/409:47:294
111391240,0ptp4l0-21swapper/409:35:134
111391240,0ptp4l0-21swapper/409:30:154
111391240,0ptp4l0-21swapper/409:16:524
111391240,0ptp4l0-21swapper/408:30:114
111391240,0ptp4l0-21swapper/407:15:134
111391240,0ptp4l0-21swapper/309:29:163
111391240,0ptp4l0-21swapper/307:45:023
111391240,0ptp4l0-21swapper/110:54:201
111391240,0ptp4l0-21swapper/110:47:431
111391240,0ptp4l0-21swapper/110:41:171
111391240,0ptp4l0-21swapper/110:19:261
111391240,0ptp4l0-21swapper/110:00:191
111391240,0ptp4l0-21swapper/109:46:551
111391240,0ptp4l0-21swapper/107:10:191
111391240,0ptp4l0-21swapper/012:15:540
111391240,0ptp4l0-21swapper/012:13:030
111391240,0ptp4l0-21swapper/011:49:340
111391240,0ptp4l0-21swapper/011:16:570
111391240,0ptp4l0-21swapper/010:50:160
111391240,0ptp4l0-21swapper/010:23:260
111391240,0ptp4l0-21swapper/009:00:130
111391230,3ptp4l0-21swapper/112:14:051
111391230,1ptp4l2493599cyclictest09:19:173
111391230,1ptp4l21599-21ssh11:26:330
111391230,1ptp4l12153-21cpuspeed_turbos11:15:101
111391230,0ptp4l25914-21ssh09:21:374
111391230,0ptp4l19627-21idleruntime-cro09:14:594
111391230,0ptp4l0-21swapper/712:27:557
111391230,0ptp4l0-21swapper/709:20:147
111391230,0ptp4l0-21swapper/609:10:186
111391230,0ptp4l0-21swapper/512:34:315
111391230,0ptp4l0-21swapper/512:15:115
111391230,0ptp4l0-21swapper/511:39:165
111391230,0ptp4l0-21swapper/511:16:065
111391230,0ptp4l0-21swapper/510:55:105
111391230,0ptp4l0-21swapper/510:55:005
111391230,0ptp4l0-21swapper/510:40:145
111391230,0ptp4l0-21swapper/510:39:455
111391230,0ptp4l0-21swapper/510:39:455
111391230,0ptp4l0-21swapper/510:06:575
111391230,0ptp4l0-21swapper/508:55:115
111391230,0ptp4l0-21swapper/507:55:005
111391230,0ptp4l0-21swapper/507:40:145
111391230,0ptp4l0-21swapper/412:35:124
111391230,0ptp4l0-21swapper/412:25:214
111391230,0ptp4l0-21swapper/412:20:134
111391230,0ptp4l0-21swapper/412:18:414
111391230,0ptp4l0-21swapper/412:10:114
111391230,0ptp4l0-21swapper/411:55:194
111391230,0ptp4l0-21swapper/411:35:124
111391230,0ptp4l0-21swapper/411:32:374
111391230,0ptp4l0-21swapper/411:05:154
111391230,0ptp4l0-21swapper/410:55:134
111391230,0ptp4l0-21swapper/410:50:164
111391230,0ptp4l0-21swapper/410:35:194
111391230,0ptp4l0-21swapper/410:35:184
111391230,0ptp4l0-21swapper/410:29:034
111391230,0ptp4l0-21swapper/410:15:184
111391230,0ptp4l0-21swapper/410:10:114
111391230,0ptp4l0-21swapper/409:55:204
111391230,0ptp4l0-21swapper/409:50:014
111391230,0ptp4l0-21swapper/409:05:114
111391230,0ptp4l0-21swapper/409:00:144
111391230,0ptp4l0-21swapper/408:15:164
111391230,0ptp4l0-21swapper/408:05:104
111391230,0ptp4l0-21swapper/408:00:134
111391230,0ptp4l0-21swapper/408:00:134
111391230,0ptp4l0-21swapper/407:55:114
111391230,0ptp4l0-21swapper/407:35:124
111391230,0ptp4l0-21swapper/308:45:163
111391230,0ptp4l0-21swapper/307:44:543
111391230,0ptp4l0-21swapper/211:52:512
111391230,0ptp4l0-21swapper/210:10:192
111391230,0ptp4l0-21swapper/209:10:152
111391230,0ptp4l0-21swapper/112:10:001
111391230,0ptp4l0-21swapper/111:22:461
111391230,0ptp4l0-21swapper/111:13:521
111391230,0ptp4l0-21swapper/111:00:191
111391230,0ptp4l0-21swapper/110:55:461
111391230,0ptp4l0-21swapper/108:55:131
111391230,0ptp4l0-21swapper/108:35:091
111391230,0ptp4l0-21swapper/107:48:341
111391230,0ptp4l0-21swapper/107:40:121
111391230,0ptp4l0-21swapper/107:25:131
111391230,0ptp4l0-21swapper/012:30:100
111391230,0ptp4l0-21swapper/012:20:120
111391230,0ptp4l0-21swapper/012:05:130
111391230,0ptp4l0-21swapper/012:00:070
111391230,0ptp4l0-21swapper/011:52:050
111391230,0ptp4l0-21swapper/011:32:460
111391230,0ptp4l0-21swapper/011:10:180
111391230,0ptp4l0-21swapper/011:05:150
111391230,0ptp4l0-21swapper/010:55:150
111391230,0ptp4l0-21swapper/010:45:150
111391230,0ptp4l0-21swapper/010:30:130
111391230,0ptp4l0-21swapper/010:15:170
111391230,0ptp4l0-21swapper/010:05:120
111391230,0ptp4l0-21swapper/009:55:140
111391230,0ptp4l0-21swapper/009:35:120
111391230,0ptp4l0-21swapper/009:31:570
111391230,0ptp4l0-21swapper/009:25:430
111391230,0ptp4l0-21swapper/009:24:500
111391230,0ptp4l0-21swapper/009:10:140
111391230,0ptp4l0-21swapper/008:40:200
111391230,0ptp4l0-21swapper/008:25:120
111391230,0ptp4l0-21swapper/008:15:120
111391230,0ptp4l0-21swapper/008:05:160
111391230,0ptp4l0-21swapper/007:55:110
111391220,0ptp4l0-21swapper/710:21:597
111391220,0ptp4l0-21swapper/709:29:067
111391220,0ptp4l0-21swapper/709:19:467
111391220,0ptp4l0-21swapper/708:45:117
111391220,0ptp4l0-21swapper/707:20:157
111391220,0ptp4l0-21swapper/611:52:556
111391220,0ptp4l0-21swapper/610:59:196
111391220,0ptp4l0-21swapper/610:33:316
111391220,0ptp4l0-21swapper/609:34:486
111391220,0ptp4l0-21swapper/512:20:025
111391220,0ptp4l0-21swapper/512:11:525
111391220,0ptp4l0-21swapper/512:07:055
111391220,0ptp4l0-21swapper/512:00:525
111391220,0ptp4l0-21swapper/511:59:175
111391220,0ptp4l0-21swapper/511:50:425
111391220,0ptp4l0-21swapper/511:48:495
111391220,0ptp4l0-21swapper/511:43:435
111391220,0ptp4l0-21swapper/511:25:305
111391220,0ptp4l0-21swapper/511:22:115
111391220,0ptp4l0-21swapper/510:45:015
111391220,0ptp4l0-21swapper/510:32:065
111391220,0ptp4l0-21swapper/510:21:165
111391220,0ptp4l0-21swapper/510:15:095
111391220,0ptp4l0-21swapper/509:58:205
111391220,0ptp4l0-21swapper/509:32:025
111391220,0ptp4l0-21swapper/509:24:165
111391220,0ptp4l0-21swapper/509:17:185
111391220,0ptp4l0-21swapper/508:50:145
111391220,0ptp4l0-21swapper/508:10:135
111391220,0ptp4l0-21swapper/408:25:164
111391220,0ptp4l0-21swapper/408:20:144
111391220,0ptp4l0-21swapper/309:08:023
111391220,0ptp4l0-21swapper/307:20:203
111391220,0ptp4l0-21swapper/307:16:433
111391220,0ptp4l0-21swapper/211:41:042
111391220,0ptp4l0-21swapper/210:59:282
111391220,0ptp4l0-21swapper/112:39:391
111391220,0ptp4l0-21swapper/112:25:101
111391220,0ptp4l0-21swapper/112:20:001
111391220,0ptp4l0-21swapper/112:01:181
111391220,0ptp4l0-21swapper/111:55:191
111391220,0ptp4l0-21swapper/111:48:381
111391220,0ptp4l0-21swapper/111:37:391
111391220,0ptp4l0-21swapper/110:21:191
111391220,0ptp4l0-21swapper/109:50:431
111391220,0ptp4l0-21swapper/109:39:521
111391220,0ptp4l0-21swapper/109:15:031
111391220,0ptp4l0-21swapper/108:50:141
111391220,0ptp4l0-21swapper/108:34:321
111391220,0ptp4l0-21swapper/108:11:341
111391220,0ptp4l0-21swapper/011:40:060
111391220,0ptp4l0-21swapper/010:43:570
111391220,0ptp4l0-21swapper/010:28:030
111391220,0ptp4l0-21swapper/009:05:090
111391220,0ptp4l0-21swapper/008:55:000
111391220,0ptp4l0-21swapper/008:35:160
111391220,0ptp4l0-21swapper/008:20:160
111391220,0ptp4l0-21swapper/007:50:190
111391220,0ptp4l0-21swapper/007:35:150
111391220,0ptp4l0-21swapper/007:25:110
111391220,0ptp4l0-21swapper/007:15:010
111391210,0ptp4l0-21swapper/710:53:127
111391210,0ptp4l0-21swapper/707:44:217
111391210,0ptp4l0-21swapper/612:03:016
111391210,0ptp4l0-21swapper/610:28:596
111391210,0ptp4l0-21swapper/609:56:076
111391210,0ptp4l0-21swapper/608:02:446
111391210,0ptp4l0-21swapper/608:02:436
111391210,0ptp4l0-21swapper/511:07:425
111391210,0ptp4l0-21swapper/509:50:485
111391210,0ptp4l0-21swapper/509:06:435
111391210,0ptp4l0-21swapper/508:33:075
111391210,0ptp4l0-21swapper/508:24:555
111391210,0ptp4l0-21swapper/508:01:435
111391210,0ptp4l0-21swapper/508:01:435
111391210,0ptp4l0-21swapper/507:55:165
111391210,0ptp4l0-21swapper/507:35:205
111391210,0ptp4l0-21swapper/507:17:335
111391210,0ptp4l0-21swapper/408:55:364
111391210,0ptp4l0-21swapper/408:54:434
111391210,0ptp4l0-21swapper/408:14:274
111391210,0ptp4l0-21swapper/312:39:013
111391210,0ptp4l0-21swapper/312:27:333
111391210,0ptp4l0-21swapper/310:53:083
111391210,0ptp4l0-21swapper/310:21:553
111391210,0ptp4l0-21swapper/211:19:142
111391210,0ptp4l0-21swapper/111:43:261
111391210,0ptp4l0-21swapper/008:57:580
111391210,0ptp4l0-21swapper/008:48:440
111391210,0ptp4l0-21swapper/008:30:170
111391210,0ptp4l0-21swapper/007:12:050
111391200,0ptp4l0-21swapper/709:07:577
111391200,0ptp4l0-21swapper/611:38:156
111391200,0ptp4l0-21swapper/611:19:086
111391200,0ptp4l0-21swapper/510:13:555
111391200,0ptp4l0-21swapper/509:26:515
111391200,0ptp4l0-21swapper/509:00:355
111391200,0ptp4l0-21swapper/508:44:435
111391200,0ptp4l0-21swapper/508:35:125
111391200,0ptp4l0-21swapper/407:40:344
111391200,0ptp4l0-21swapper/407:34:434
111391200,0ptp4l0-21swapper/407:28:014
111391200,0ptp4l0-21swapper/407:20:434
111391200,0ptp4l0-21swapper/407:10:064
111391200,0ptp4l0-21swapper/210:48:152
111391200,0ptp4l0-21swapper/110:32:051
111391200,0ptp4l0-21swapper/108:47:251
111391200,0ptp4l0-21swapper/108:09:091
111391200,0ptp4l0-21swapper/108:01:341
111391200,0ptp4l0-21swapper/108:01:341
111391200,0ptp4l0-21swapper/107:16:051
111391200,0ptp4l0-21swapper/008:10:190
111391200,0ptp4l0-21swapper/007:34:290
111391190,0ptp4l0-21swapper/611:03:116
111391190,0ptp4l0-21swapper/610:48:116
111391190,0ptp4l0-21swapper/608:12:556
111391190,0ptp4l0-21swapper/508:49:475
111391190,0ptp4l0-21swapper/507:46:415
111391190,0ptp4l0-21swapper/408:37:444
111391190,0ptp4l0-21swapper/211:03:102
111391190,0ptp4l0-21swapper/209:56:072
111391190,0ptp4l0-21swapper/209:34:502
111391190,0ptp4l0-21swapper/208:37:362
111391190,0ptp4l0-21swapper/109:28:191
111391190,0ptp4l0-21swapper/109:22:371
111391190,0ptp4l0-21swapper/007:49:250
51052180,0sleep30-21swapper/307:35:133
111391180,0ptp4l0-21swapper/612:24:586
111391180,0ptp4l0-21swapper/308:44:553
111391180,0ptp4l0-21swapper/210:33:342
111391180,0ptp4l0-21swapper/210:29:012
111391180,0ptp4l0-21swapper/110:14:011
111391180,0ptp4l0-21swapper/109:01:071
111391180,0ptp4l0-21swapper/108:18:421
111391170,2ptp4l0-21swapper/108:20:581
111391170,0ptp4l0-21swapper/211:38:162
111391170,0ptp4l0-21swapper/211:21:312
111391170,0ptp4l0-21swapper/207:56:582
111391160,1ptp4l31971-21taskset07:22:005
111391160,0ptp4l0-21swapper/508:07:295
111391160,0ptp4l0-21swapper/408:47:044
111391160,0ptp4l0-21swapper/407:46:364
111391160,0ptp4l0-21swapper/308:55:433
111391160,0ptp4l0-21swapper/208:12:542
111391160,0ptp4l0-21swapper/109:05:341
111391160,0ptp4l0-21swapper/108:27:471
111391160,0ptp4l0-21swapper/107:54:511
111391160,0ptp4l0-21swapper/107:21:001
111391150,0ptp4l0-21swapper/708:55:427
111391150,0ptp4l0-21swapper/708:44:547
111391150,0ptp4l0-21swapper/707:52:247
111391150,0ptp4l0-21swapper/707:16:577
111391150,0ptp4l0-21swapper/608:39:596
111391150,0ptp4l0-21swapper/608:28:246
111391150,0ptp4l0-21swapper/608:24:236
111391150,0ptp4l0-21swapper/607:56:496
111391150,0ptp4l0-21swapper/607:20:476
111391150,0ptp4l0-21swapper/607:18:026
111391150,0ptp4l0-21swapper/508:27:515
111391150,0ptp4l0-21swapper/508:17:095
111391150,0ptp4l0-21swapper/307:52:123
111391150,0ptp4l0-21swapper/208:58:392
111391150,0ptp4l0-21swapper/208:28:202
111391150,0ptp4l0-21swapper/208:02:402
111391150,0ptp4l0-21swapper/208:02:402
111391150,0ptp4l0-21swapper/108:43:441
111391150,0ptp4l0-21swapper/007:40:380
111391140,0ptp4l0-21swapper/611:45:216
111391140,0ptp4l0-21swapper/608:58:416
111391140,0ptp4l0-21swapper/607:31:446
111391140,0ptp4l0-21swapper/209:36:382
111391140,0ptp4l0-21swapper/208:53:142
111391140,0ptp4l0-21swapper/208:24:172
111391140,0ptp4l0-21swapper/207:31:422
111391140,0ptp4l0-21swapper/207:20:472
111391140,0ptp4l0-21swapper/207:17:592
13152130,0sleep70-21swapper/711:00:157
2496499110,1cyclictest0-21swapper/708:15:137
2495699115,4cyclictest28320-21turbostat10:10:006
2492899110,10cyclictest0-21swapper/211:34:252
2496499109,0cyclictest0-21swapper/710:18:287
2496499100,9cyclictest0-21swapper/712:23:347
2496499100,1cyclictest0-21swapper/711:20:207
2495699100,9cyclictest0-21swapper/612:06:446
2495699100,0cyclictest0-21swapper/611:34:516
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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