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2026-08-08 - 22:55

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 Aug 08, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,5ptp4l0-21swapper/107:05:091
111391630,5ptp4l0-21swapper/407:09:354
300592610,0sleep40-21swapper/409:25:014
111391610,30ptp4l0-21swapper/007:08:160
2724325545,6sleep20-21swapper/207:05:482
2678425231,7sleep30-21swapper/307:05:163
111391520,4ptp4l0-21swapper/507:05:075
2565925039,6sleep70-21swapper/707:05:047
2751924737,6sleep60-21swapper/607:09:206
111391320,7ptp4l0-21swapper/411:15:224
111391320,7ptp4l0-21swapper/411:15:224
111391320,7ptp4l0-21swapper/111:08:031
111391320,0ptp4l0-21swapper/512:15:215
111391310,0ptp4l0-21swapper/411:45:394
111391310,0ptp4l0-21swapper/411:00:224
111391310,0ptp4l0-21swapper/410:05:184
111391310,0ptp4l0-21swapper/012:28:310
111391300,1ptp4l20702-21ssh09:10:330
111391300,0ptp4l0-21swapper/711:04:587
111391300,0ptp4l0-21swapper/710:46:057
111391300,0ptp4l0-21swapper/409:40:174
111391300,0ptp4l0-21swapper/010:55:180
111391300,0ptp4l0-21swapper/010:50:130
111391300,0ptp4l0-21swapper/010:08:460
111391290,3ptp4l0-21swapper/410:39:394
111391290,0ptp4l0-21swapper/011:46:480
111391290,0ptp4l0-21swapper/011:08:540
111391290,0ptp4l0-21swapper/009:54:550
111391290,0ptp4l0-21swapper/009:31:340
111391280,0ptp4l0-21swapper/510:48:205
111391280,0ptp4l0-21swapper/412:33:434
111391280,0ptp4l0-21swapper/411:58:384
111391280,0ptp4l0-21swapper/411:10:394
111391280,0ptp4l0-21swapper/411:10:384
111391280,0ptp4l0-21swapper/410:55:204
111391280,0ptp4l0-21swapper/409:28:194
111391280,0ptp4l0-21swapper/311:13:033
111391280,0ptp4l0-21swapper/311:13:033
111391280,0ptp4l0-21swapper/209:21:392
111391280,0ptp4l0-21swapper/112:15:471
111391280,0ptp4l0-21swapper/108:00:201
111391280,0ptp4l0-21swapper/012:12:580
111391280,0ptp4l0-21swapper/011:57:460
111391280,0ptp4l0-21swapper/009:28:020
111391270,5ptp4l721ktimersoftd/710:05:467
111391270,0ptp4l0-21swapper/711:14:057
111391270,0ptp4l0-21swapper/711:14:047
111391270,0ptp4l0-21swapper/509:49:415
111391270,0ptp4l0-21swapper/412:27:044
111391270,0ptp4l0-21swapper/412:23:544
111391270,0ptp4l0-21swapper/412:05:394
111391270,0ptp4l0-21swapper/411:54:254
111391270,0ptp4l0-21swapper/411:36:534
111391270,0ptp4l0-21swapper/410:43:314
111391270,0ptp4l0-21swapper/410:34:474
111391270,0ptp4l0-21swapper/410:13:324
111391270,0ptp4l0-21swapper/409:55:514
111391270,0ptp4l0-21swapper/407:50:164
111391270,0ptp4l0-21swapper/309:14:203
111391270,0ptp4l0-21swapper/110:08:091
111391270,0ptp4l0-21swapper/109:10:181
111391270,0ptp4l0-21swapper/012:22:580
111391270,0ptp4l0-21swapper/011:52:430
111391270,0ptp4l0-21swapper/011:22:500
111391270,0ptp4l0-21swapper/009:58:100
111391270,0ptp4l0-21swapper/009:40:160
111391260,0ptp4l0-21swapper/712:02:597
111391260,0ptp4l0-21swapper/412:12:044
111391260,0ptp4l0-21swapper/411:30:134
111391260,0ptp4l0-21swapper/410:26:534
111391260,0ptp4l0-21swapper/410:22:294
111391260,0ptp4l0-21swapper/110:12:161
111391260,0ptp4l0-21swapper/109:20:521
111391260,0ptp4l0-21swapper/012:08:510
111391260,0ptp4l0-21swapper/011:41:260
111391260,0ptp4l0-21swapper/011:17:200
111391260,0ptp4l0-21swapper/011:17:190
111391260,0ptp4l0-21swapper/010:41:460
111391260,0ptp4l0-21swapper/010:35:330
111391260,0ptp4l0-21swapper/009:47:410
111391250,1ptp4l7757-21/usr/sbin/munin07:35:200
111391250,1ptp4l30678-21timerandwakeup07:15:014
111391250,0ptp4l0-21swapper/712:06:547
111391250,0ptp4l0-21swapper/711:05:307
111391250,0ptp4l0-21swapper/510:20:165
111391250,0ptp4l0-21swapper/510:08:155
111391250,0ptp4l0-21swapper/411:40:064
111391250,0ptp4l0-21swapper/409:35:424
111391250,0ptp4l0-21swapper/409:32:504
111391250,0ptp4l0-21swapper/111:35:171
111391250,0ptp4l0-21swapper/011:37:510
111391250,0ptp4l0-21swapper/007:30:140
111391240,1ptp4l5791-21sh09:35:130
111391240,1ptp4l32252-21latency10:10:155
111391240,1ptp4l29871-21cat10:50:194
111391240,1ptp4l28697-21fw_forwarded_lo08:20:140
111391240,1ptp4l28093-21cpu07:10:114
111391240,1ptp4l27317-21unixbench_multi11:30:211
111391240,1ptp4l23137-21df09:15:110
111391240,1ptp4l2084-21timerandwakeup07:20:204
111391240,1ptp4l16006-21timerwakeupswit07:50:190
111391240,0ptp4l0-21swapper/411:25:144
111391240,0ptp4l0-21swapper/411:21:144
111391240,0ptp4l0-21swapper/411:07:214
111391240,0ptp4l0-21swapper/410:02:414
111391240,0ptp4l0-21swapper/409:50:124
111391240,0ptp4l0-21swapper/409:15:114
111391240,0ptp4l0-21swapper/408:45:214
111391240,0ptp4l0-21swapper/408:40:174
111391240,0ptp4l0-21swapper/408:40:164
111391240,0ptp4l0-21swapper/408:20:194
111391240,0ptp4l0-21swapper/407:40:174
111391240,0ptp4l0-21swapper/407:35:194
111391240,0ptp4l0-21swapper/309:00:223
111391240,0ptp4l0-21swapper/212:30:132
111391240,0ptp4l0-21swapper/211:10:212
111391240,0ptp4l0-21swapper/211:10:212
111391240,0ptp4l0-21swapper/111:25:161
111391240,0ptp4l0-21swapper/111:20:191
111391240,0ptp4l0-21swapper/110:55:151
111391240,0ptp4l0-21swapper/110:15:151
111391240,0ptp4l0-21swapper/109:19:591
111391240,0ptp4l0-21swapper/108:45:161
111391240,0ptp4l0-21swapper/012:33:320
111391240,0ptp4l0-21swapper/011:25:230
111391240,0ptp4l0-21swapper/010:00:520
111391240,0ptp4l0-21swapper/009:05:130
111391240,0ptp4l0-21swapper/009:02:410
111391240,0ptp4l0-21swapper/008:40:120
111391240,0ptp4l0-21swapper/008:40:120
111391240,0ptp4l0-21swapper/007:15:200
111391230,1ptp4l9208-21grep12:35:124
111391230,1ptp4l9086-21awk12:35:120
111391230,1ptp4l20001-21memory08:00:160
111391230,0ptp4l0-21swapper/610:56:186
111391230,0ptp4l0-21swapper/512:21:105
111391230,0ptp4l0-21swapper/512:01:015
111391230,0ptp4l0-21swapper/511:35:165
111391230,0ptp4l0-21swapper/511:30:225
111391230,0ptp4l0-21swapper/510:39:015
111391230,0ptp4l0-21swapper/510:28:165
111391230,0ptp4l0-21swapper/509:10:175
111391230,0ptp4l0-21swapper/508:15:145
111391230,0ptp4l0-21swapper/508:15:005
111391230,0ptp4l0-21swapper/507:55:195
111391230,0ptp4l0-21swapper/412:19:044
111391230,0ptp4l0-21swapper/410:15:204
111391230,0ptp4l0-21swapper/409:45:164
111391230,0ptp4l0-21swapper/409:11:364
111391230,0ptp4l0-21swapper/408:50:124
111391230,0ptp4l0-21swapper/408:35:204
111391230,0ptp4l0-21swapper/408:25:134
111391230,0ptp4l0-21swapper/407:45:154
111391230,0ptp4l0-21swapper/112:36:491
111391230,0ptp4l0-21swapper/112:10:171
111391230,0ptp4l0-21swapper/112:01:021
111391230,0ptp4l0-21swapper/111:50:381
111391230,0ptp4l0-21swapper/110:25:121
111391230,0ptp4l0-21swapper/110:20:201
111391230,0ptp4l0-21swapper/109:55:401
111391230,0ptp4l0-21swapper/011:30:180
111391230,0ptp4l0-21swapper/011:10:080
111391230,0ptp4l0-21swapper/011:10:070
111391230,0ptp4l0-21swapper/011:00:200
111391230,0ptp4l0-21swapper/010:30:590
111391230,0ptp4l0-21swapper/010:26:120
111391230,0ptp4l0-21swapper/010:15:190
111391230,0ptp4l0-21swapper/009:25:000
111391230,0ptp4l0-21swapper/008:50:190
111391230,0ptp4l0-21swapper/008:25:170
111391230,0ptp4l0-21swapper/008:10:180
111391230,0ptp4l0-21swapper/008:05:190
111391230,0ptp4l0-21swapper/007:56:460
111391230,0ptp4l0-21swapper/007:25:200
111391220,0ptp4l0-21swapper/711:39:037
111391220,0ptp4l0-21swapper/709:33:327
111391220,0ptp4l0-21swapper/709:25:547
111391220,0ptp4l0-21swapper/709:13:297
111391220,0ptp4l0-21swapper/709:00:127
111391220,0ptp4l0-21swapper/612:10:556
111391220,0ptp4l0-21swapper/611:30:556
111391220,0ptp4l0-21swapper/610:31:476
111391220,0ptp4l0-21swapper/512:36:425
111391220,0ptp4l0-21swapper/512:29:205
111391220,0ptp4l0-21swapper/512:10:215
111391220,0ptp4l0-21swapper/511:20:145
111391220,0ptp4l0-21swapper/511:17:255
111391220,0ptp4l0-21swapper/511:17:245
111391220,0ptp4l0-21swapper/510:55:005
111391220,0ptp4l0-21swapper/510:54:255
111391220,0ptp4l0-21swapper/510:30:005
111391220,0ptp4l0-21swapper/510:15:145
111391220,0ptp4l0-21swapper/510:01:295
111391220,0ptp4l0-21swapper/509:56:475
111391220,0ptp4l0-21swapper/509:52:185
111391220,0ptp4l0-21swapper/509:41:275
111391220,0ptp4l0-21swapper/509:20:185
111391220,0ptp4l0-21swapper/509:18:015
111391220,0ptp4l0-21swapper/508:55:145
111391220,0ptp4l0-21swapper/508:35:175
111391220,0ptp4l0-21swapper/508:30:135
111391220,0ptp4l0-21swapper/507:52:365
111391220,0ptp4l0-21swapper/412:00:054
111391220,0ptp4l0-21swapper/410:47:504
111391220,0ptp4l0-21swapper/409:05:204
111391220,0ptp4l0-21swapper/408:15:194
111391220,0ptp4l0-21swapper/408:05:144
111391220,0ptp4l0-21swapper/407:30:134
111391220,0ptp4l0-21swapper/407:25:164
111391220,0ptp4l0-21swapper/311:39:013
111391220,0ptp4l0-21swapper/311:05:123
111391220,0ptp4l0-21swapper/311:04:303
111391220,0ptp4l0-21swapper/310:45:083
111391220,0ptp4l0-21swapper/310:43:443
111391220,0ptp4l0-21swapper/310:05:473
111391220,0ptp4l0-21swapper/309:33:383
111391220,0ptp4l0-21swapper/212:30:002
111391220,0ptp4l0-21swapper/211:30:572
111391220,0ptp4l0-21swapper/209:19:112
111391220,0ptp4l0-21swapper/112:31:131
111391220,0ptp4l0-21swapper/112:21:051
111391220,0ptp4l0-21swapper/111:57:561
111391220,0ptp4l0-21swapper/111:16:431
111391220,0ptp4l0-21swapper/111:16:421
111391220,0ptp4l0-21swapper/110:50:401
111391220,0ptp4l0-21swapper/110:47:181
111391220,0ptp4l0-21swapper/110:39:471
111391220,0ptp4l0-21swapper/110:32:181
111391220,0ptp4l0-21swapper/109:41:201
111391220,0ptp4l0-21swapper/109:25:181
111391220,0ptp4l0-21swapper/108:55:141
111391220,0ptp4l0-21swapper/108:35:131
111391220,0ptp4l0-21swapper/108:30:151
111391220,0ptp4l0-21swapper/107:55:201
111391220,0ptp4l0-21swapper/012:17:270
111391220,0ptp4l0-21swapper/012:00:060
111391220,0ptp4l0-21swapper/010:20:580
111391220,0ptp4l0-21swapper/010:13:430
111391220,0ptp4l0-21swapper/008:45:190
111391220,0ptp4l0-21swapper/008:17:360
111391220,0ptp4l0-21swapper/007:45:000
111391220,0ptp4l0-21swapper/007:20:170
111391220,0ptp4l0-21swapper/007:10:190
111391210,0ptp4l0-21swapper/710:43:527
111391210,0ptp4l0-21swapper/709:38:597
111391210,0ptp4l0-21swapper/708:01:247
111391210,0ptp4l0-21swapper/612:30:136
111391210,0ptp4l0-21swapper/612:28:186
111391210,0ptp4l0-21swapper/611:56:386
111391210,0ptp4l0-21swapper/611:39:256
111391210,0ptp4l0-21swapper/611:07:016
111391210,0ptp4l0-21swapper/610:43:026
111391210,0ptp4l0-21swapper/609:56:456
111391210,0ptp4l0-21swapper/609:18:496
111391210,0ptp4l0-21swapper/608:06:386
111391210,0ptp4l0-21swapper/511:50:585
111391210,0ptp4l0-21swapper/511:45:545
111391210,0ptp4l0-21swapper/511:42:285
111391210,0ptp4l0-21swapper/511:29:025
111391210,0ptp4l0-21swapper/511:04:045
111391210,0ptp4l0-21swapper/508:40:385
111391210,0ptp4l0-21swapper/508:40:385
111391210,0ptp4l0-21swapper/507:26:555
111391210,0ptp4l0-21swapper/507:15:495
111391210,0ptp4l0-21swapper/409:04:174
111391210,0ptp4l0-21swapper/408:00:184
111391210,0ptp4l0-21swapper/312:06:553
111391210,0ptp4l0-21swapper/312:03:033
111391210,0ptp4l0-21swapper/309:38:543
111391210,0ptp4l0-21swapper/308:01:013
111391210,0ptp4l0-21swapper/211:56:372
111391210,0ptp4l0-21swapper/211:07:072
111391210,0ptp4l0-21swapper/210:57:202
111391210,0ptp4l0-21swapper/210:36:112
111391210,0ptp4l0-21swapper/210:21:102
111391210,0ptp4l0-21swapper/209:56:452
111391210,0ptp4l0-21swapper/209:49:122
111391210,0ptp4l0-21swapper/112:27:451
111391210,0ptp4l0-21swapper/112:09:361
111391210,0ptp4l0-21swapper/111:42:101
111391210,0ptp4l0-21swapper/110:02:071
111391210,0ptp4l0-21swapper/109:37:481
111391210,0ptp4l0-21swapper/109:09:381
111391210,0ptp4l0-21swapper/108:40:221
111391210,0ptp4l0-21swapper/108:40:211
111391210,0ptp4l0-21swapper/010:49:240
111391210,0ptp4l0-21swapper/008:57:260
111391210,0ptp4l0-21swapper/008:35:110
111391200,0ptp4l0-21swapper/610:36:126
111391200,0ptp4l0-21swapper/610:17:036
111391200,0ptp4l0-21swapper/610:12:346
111391200,0ptp4l0-21swapper/609:49:096
111391200,0ptp4l0-21swapper/609:21:406
111391200,0ptp4l0-21swapper/512:32:235
111391200,0ptp4l0-21swapper/512:08:025
111391200,0ptp4l0-21swapper/511:58:095
111391200,0ptp4l0-21swapper/511:05:345
111391200,0ptp4l0-21swapper/509:37:195
111391200,0ptp4l0-21swapper/509:30:475
111391200,0ptp4l0-21swapper/509:26:325
111391200,0ptp4l0-21swapper/509:08:175
111391200,0ptp4l0-21swapper/508:08:165
111391200,0ptp4l0-21swapper/507:41:065
111391200,0ptp4l0-21swapper/408:10:174
111391200,0ptp4l0-21swapper/407:56:514
111391200,0ptp4l0-21swapper/309:25:553
111391200,0ptp4l0-21swapper/307:11:313
111391200,0ptp4l0-21swapper/111:48:211
111391200,0ptp4l0-21swapper/111:03:221
111391200,0ptp4l0-21swapper/109:51:271
111391200,0ptp4l0-21swapper/109:49:451
111391200,0ptp4l0-21swapper/109:30:491
111391200,0ptp4l0-21swapper/108:15:151
111391200,0ptp4l0-21swapper/108:14:391
111391200,0ptp4l0-21swapper/107:52:161
111391200,0ptp4l0-21swapper/107:34:301
111391200,0ptp4l0-21swapper/008:34:380
111391200,0ptp4l0-21swapper/007:40:170
111391190,0ptp4l0-21swapper/708:59:557
111391190,0ptp4l0-21swapper/611:20:046
111391190,0ptp4l0-21swapper/610:21:106
111391190,0ptp4l0-21swapper/509:03:385
111391190,0ptp4l0-21swapper/508:00:225
111391190,0ptp4l0-21swapper/408:57:394
111391190,0ptp4l0-21swapper/408:34:554
111391190,0ptp4l0-21swapper/308:33:383
111391190,0ptp4l0-21swapper/211:25:242
111391190,0ptp4l0-21swapper/210:43:042
111391190,0ptp4l0-21swapper/210:31:442
111391190,0ptp4l0-21swapper/210:28:182
111391190,0ptp4l0-21swapper/210:17:012
111391190,0ptp4l0-21swapper/207:19:502
111391190,0ptp4l0-21swapper/111:14:531
111391190,0ptp4l0-21swapper/111:14:531
111391190,0ptp4l0-21swapper/107:42:411
111391180,0ptp4l561ktimersoftd/508:45:145
111391180,0ptp4l0-21swapper/612:24:526
111391180,0ptp4l0-21swapper/507:47:025
111391180,0ptp4l0-21swapper/212:24:512
111391180,0ptp4l0-21swapper/211:39:212
111391180,0ptp4l0-21swapper/210:12:362
111391180,0ptp4l0-21swapper/107:37:301
111391180,0ptp4l0-21swapper/107:27:501
111391170,0ptp4l0-21swapper/212:11:002
111391170,0ptp4l0-21swapper/109:03:351
111391170,0ptp4l0-21swapper/108:27:111
27859991610,2cyclictest16305-21munin-run09:49:593
111391160,0ptp4l0-21swapper/708:21:417
111391160,0ptp4l0-21swapper/607:19:526
111391160,0ptp4l0-21swapper/508:28:425
111391160,0ptp4l0-21swapper/110:40:351
111391160,0ptp4l0-21swapper/108:20:251
111391160,0ptp4l0-21swapper/108:09:431
111391160,0ptp4l0-21swapper/107:21:021
111391160,0ptp4l0-21swapper/107:15:251
111391160,0ptp4l0-21swapper/107:10:211
111391150,0ptp4l0-21swapper/708:33:097
111391150,0ptp4l0-21swapper/707:38:187
111391150,0ptp4l0-21swapper/707:11:327
111391150,0ptp4l0-21swapper/609:06:086
111391150,0ptp4l0-21swapper/607:31:486
111391150,0ptp4l0-21swapper/607:22:236
111391150,0ptp4l0-21swapper/508:51:005
111391150,0ptp4l0-21swapper/508:22:445
111391150,0ptp4l0-21swapper/507:36:255
111391150,0ptp4l0-21swapper/507:30:395
111391150,0ptp4l0-21swapper/507:21:055
111391150,0ptp4l0-21swapper/507:10:225
111391150,0ptp4l0-21swapper/308:58:253
111391150,0ptp4l0-21swapper/308:21:463
111391150,0ptp4l0-21swapper/307:38:203
111391150,0ptp4l0-21swapper/209:08:282
111391150,0ptp4l0-21swapper/208:24:042
111391150,0ptp4l0-21swapper/208:06:262
111391150,0ptp4l0-21swapper/207:26:202
111391150,0ptp4l0-21swapper/207:22:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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