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2026-05-03 - 18:17

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 May 03, 2026 12:46:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391650,5ptp4l0-21swapper/407:09:594
111391620,5ptp4l0-21swapper/507:05:365
111391610,6ptp4l0-21swapper/107:07:411
1881916038,7phc2sys0-21swapper/007:08:030
45912580,0sleep30-21swapper/308:35:153
233762580,0sleep20-21swapper/211:21:432
2861325635,6sleep70-21swapper/707:07:417
217492560,0sleep00-21swapper/009:10:200
2871625432,7sleep20-21swapper/207:08:572
2870325140,7sleep60-21swapper/607:08:536
111391480,0ptp4l11662-21ssh11:05:344
2848924635,7sleep30-21swapper/307:06:003
111391320,0ptp4l31834-21ssh11:34:230
111391300,0ptp4l3654-21ssh09:30:121
111391300,0ptp4l0-21swapper/411:43:054
111391300,0ptp4l0-21swapper/409:25:404
111391290,3ptp4l0-21swapper/109:40:101
111391290,0ptp4l0-21swapper/510:22:345
111391290,0ptp4l0-21swapper/412:35:144
111391290,0ptp4l0-21swapper/411:29:424
111391290,0ptp4l0-21swapper/310:15:593
111391290,0ptp4l0-21swapper/111:51:311
111391290,0ptp4l0-21swapper/011:41:310
111391290,0ptp4l0-21swapper/009:20:100
111391290,0ptp4l0-21swapper/009:17:130
111391280,0ptp4l0-21swapper/411:45:224
111391280,0ptp4l0-21swapper/410:04:304
111391280,0ptp4l0-21swapper/311:49:463
111391280,0ptp4l0-21swapper/112:31:211
111391280,0ptp4l0-21swapper/111:59:411
111391280,0ptp4l0-21swapper/111:22:141
111391280,0ptp4l0-21swapper/010:32:360
111391270,2ptp4l0-21swapper/112:11:321
111391270,0ptp4l0-21swapper/511:44:095
111391270,0ptp4l0-21swapper/510:15:415
111391270,0ptp4l0-21swapper/510:03:355
111391270,0ptp4l0-21swapper/509:54:335
111391270,0ptp4l0-21swapper/509:33:525
111391270,0ptp4l0-21swapper/411:52:034
111391270,0ptp4l0-21swapper/112:24:261
111391270,0ptp4l0-21swapper/110:54:231
111391270,0ptp4l0-21swapper/110:36:381
111391270,0ptp4l0-21swapper/110:10:331
111391270,0ptp4l0-21swapper/012:22:340
111391270,0ptp4l0-21swapper/011:50:350
111391270,0ptp4l0-21swapper/011:37:580
111391270,0ptp4l0-21swapper/011:00:140
111391270,0ptp4l0-21swapper/011:00:130
111391270,0ptp4l0-21swapper/009:55:590
111391260,1ptp4l5610-21cut12:25:120
111391260,1ptp4l20550-21cpuspeed_turbos08:00:100
111391260,1ptp4l0-21swapper/008:35:190
111391260,0ptp4l0-21swapper/611:09:576
111391260,0ptp4l0-21swapper/512:20:445
111391260,0ptp4l0-21swapper/508:45:195
111391260,0ptp4l0-21swapper/111:45:471
111391260,0ptp4l0-21swapper/012:35:180
111391260,0ptp4l0-21swapper/012:07:060
111391260,0ptp4l0-21swapper/010:14:570
111391260,0ptp4l0-21swapper/009:25:330
111391250,2ptp4l0-21swapper/112:05:111
111391250,1ptp4l7802-21timerwakeupswit08:40:205
111391250,1ptp4l32744-21sed07:15:165
111391250,1ptp4l21417-21/usr/sbin/munin09:10:191
111391250,0ptp4l0-21swapper/511:06:185
111391250,0ptp4l0-21swapper/508:00:205
111391250,0ptp4l0-21swapper/412:15:004
111391250,0ptp4l0-21swapper/409:05:164
111391250,0ptp4l0-21swapper/408:15:194
111391250,0ptp4l0-21swapper/111:11:301
111391250,0ptp4l0-21swapper/110:28:571
111391250,0ptp4l0-21swapper/108:30:131
111391250,0ptp4l0-21swapper/011:08:390
111391250,0ptp4l0-21swapper/010:50:110
111391240,1ptp4l4448-21fw_forwarded_lo08:35:131
111391240,1ptp4l3801-21timerandwakeup10:55:204
111391240,1ptp4l3801-21timerandwakeup10:55:204
111391240,1ptp4l31807-21memory07:15:001
111391240,1ptp4l30792-21phc2sys-jitter10:05:181
111391240,1ptp4l23485-21latency_hist10:40:004
111391240,1ptp4l21008-21latency_hist11:20:010
111391240,1ptp4l19577-21latency_hist10:35:001
111391240,1ptp4l11031-21munin-run11:50:010
111391240,1ptp4l10905-21/usr/sbin/munin07:40:005
111391240,0ptp4l0-21swapper/607:50:176
111391240,0ptp4l0-21swapper/512:18:195
111391240,0ptp4l0-21swapper/512:14:165
111391240,0ptp4l0-21swapper/512:00:135
111391240,0ptp4l0-21swapper/511:30:015
111391240,0ptp4l0-21swapper/511:17:215
111391240,0ptp4l0-21swapper/510:54:215
111391240,0ptp4l0-21swapper/510:36:035
111391240,0ptp4l0-21swapper/510:27:445
111391240,0ptp4l0-21swapper/509:55:135
111391240,0ptp4l0-21swapper/509:40:125
111391240,0ptp4l0-21swapper/412:32:074
111391240,0ptp4l0-21swapper/412:25:164
111391240,0ptp4l0-21swapper/411:10:114
111391240,0ptp4l0-21swapper/411:00:134
111391240,0ptp4l0-21swapper/411:00:124
111391240,0ptp4l0-21swapper/410:05:134
111391240,0ptp4l0-21swapper/409:20:114
111391240,0ptp4l0-21swapper/409:17:024
111391240,0ptp4l0-21swapper/408:50:174
111391240,0ptp4l0-21swapper/408:50:014
111391240,0ptp4l0-21swapper/408:25:234
111391240,0ptp4l0-21swapper/408:25:224
111391240,0ptp4l0-21swapper/407:55:164
111391240,0ptp4l0-21swapper/407:35:194
111391240,0ptp4l0-21swapper/110:59:171
111391240,0ptp4l0-21swapper/110:59:161
111391240,0ptp4l0-21swapper/110:48:581
111391240,0ptp4l0-21swapper/110:41:351
111391240,0ptp4l0-21swapper/109:45:181
111391240,0ptp4l0-21swapper/109:00:141
111391240,0ptp4l0-21swapper/107:40:101
111391240,0ptp4l0-21swapper/011:55:130
111391240,0ptp4l0-21swapper/011:20:150
111391240,0ptp4l0-21swapper/010:05:150
111391240,0ptp4l0-21swapper/008:50:170
111391240,0ptp4l0-21swapper/008:34:250
111391230,1ptp4l9-21ksoftirqd/008:40:160
111391230,0ptp4l5306-21strings07:25:180
111391230,0ptp4l49-21ksoftirqd/407:10:124
111391230,0ptp4l31199-21ssh09:24:245
111391230,0ptp4l0-21swapper/711:49:327
111391230,0ptp4l0-21swapper/612:15:156
111391230,0ptp4l0-21swapper/609:25:136
111391230,0ptp4l0-21swapper/609:16:526
111391230,0ptp4l0-21swapper/511:55:165
111391230,0ptp4l0-21swapper/511:53:135
111391230,0ptp4l0-21swapper/510:30:155
111391230,0ptp4l0-21swapper/509:45:195
111391230,0ptp4l0-21swapper/509:35:035
111391230,0ptp4l0-21swapper/509:15:135
111391230,0ptp4l0-21swapper/509:10:195
111391230,0ptp4l0-21swapper/509:00:155
111391230,0ptp4l0-21swapper/508:30:115
111391230,0ptp4l0-21swapper/508:25:135
111391230,0ptp4l0-21swapper/508:25:135
111391230,0ptp4l0-21swapper/507:45:145
111391230,0ptp4l0-21swapper/507:40:155
111391230,0ptp4l0-21swapper/412:20:154
111391230,0ptp4l0-21swapper/412:05:194
111391230,0ptp4l0-21swapper/412:00:494
111391230,0ptp4l0-21swapper/411:57:334
111391230,0ptp4l0-21swapper/411:35:114
111391230,0ptp4l0-21swapper/411:30:134
111391230,0ptp4l0-21swapper/411:20:104
111391230,0ptp4l0-21swapper/411:15:144
111391230,0ptp4l0-21swapper/410:50:144
111391230,0ptp4l0-21swapper/410:45:114
111391230,0ptp4l0-21swapper/410:40:194
111391230,0ptp4l0-21swapper/410:30:104
111391230,0ptp4l0-21swapper/410:25:174
111391230,0ptp4l0-21swapper/410:15:144
111391230,0ptp4l0-21swapper/410:15:004
111391230,0ptp4l0-21swapper/409:55:354
111391230,0ptp4l0-21swapper/409:45:114
111391230,0ptp4l0-21swapper/409:40:174
111391230,0ptp4l0-21swapper/409:40:004
111391230,0ptp4l0-21swapper/409:10:154
111391230,0ptp4l0-21swapper/408:55:134
111391230,0ptp4l0-21swapper/408:40:124
111391230,0ptp4l0-21swapper/408:20:164
111391230,0ptp4l0-21swapper/408:20:154
111391230,0ptp4l0-21swapper/408:10:134
111391230,0ptp4l0-21swapper/408:00:104
111391230,0ptp4l0-21swapper/407:30:134
111391230,0ptp4l0-21swapper/407:25:184
111391230,0ptp4l0-21swapper/407:20:004
111391230,0ptp4l0-21swapper/212:15:142
111391230,0ptp4l0-21swapper/211:16:082
111391230,0ptp4l0-21swapper/209:40:202
111391230,0ptp4l0-21swapper/209:25:122
111391230,0ptp4l0-21swapper/207:50:122
111391230,0ptp4l0-21swapper/112:15:191
111391230,0ptp4l0-21swapper/112:00:131
111391230,0ptp4l0-21swapper/111:35:211
111391230,0ptp4l0-21swapper/111:02:501
111391230,0ptp4l0-21swapper/111:02:491
111391230,0ptp4l0-21swapper/110:23:161
111391230,0ptp4l0-21swapper/110:15:141
111391230,0ptp4l0-21swapper/110:00:131
111391230,0ptp4l0-21swapper/109:55:201
111391230,0ptp4l0-21swapper/109:21:511
111391230,0ptp4l0-21swapper/109:15:111
111391230,0ptp4l0-21swapper/108:45:141
111391230,0ptp4l0-21swapper/107:23:321
111391230,0ptp4l0-21swapper/012:30:100
111391230,0ptp4l0-21swapper/012:10:120
111391230,0ptp4l0-21swapper/012:04:590
111391230,0ptp4l0-21swapper/011:29:500
111391230,0ptp4l0-21swapper/011:10:170
111391230,0ptp4l0-21swapper/010:55:130
111391230,0ptp4l0-21swapper/010:55:130
111391230,0ptp4l0-21swapper/010:40:210
111391230,0ptp4l0-21swapper/010:35:160
111391230,0ptp4l0-21swapper/010:25:180
111391230,0ptp4l0-21swapper/010:15:120
111391230,0ptp4l0-21swapper/009:50:110
111391230,0ptp4l0-21swapper/009:33:560
111391230,0ptp4l0-21swapper/009:05:010
111391230,0ptp4l0-21swapper/008:15:160
111391230,0ptp4l0-21swapper/008:10:160
111391230,0ptp4l0-21swapper/008:05:190
111391230,0ptp4l0-21swapper/008:00:010
111391230,0ptp4l0-21swapper/007:35:180
111391230,0ptp4l0-21swapper/007:30:130
111391230,0ptp4l0-21swapper/007:10:130
111391220,0ptp4l49-21ksoftirqd/410:24:474
111391220,0ptp4l0-21swapper/712:16:037
111391220,0ptp4l0-21swapper/711:43:137
111391220,0ptp4l0-21swapper/710:15:537
111391220,0ptp4l0-21swapper/709:19:417
111391220,0ptp4l0-21swapper/612:14:416
111391220,0ptp4l0-21swapper/610:38:456
111391220,0ptp4l0-21swapper/609:40:206
111391220,0ptp4l0-21swapper/512:36:505
111391220,0ptp4l0-21swapper/512:31:595
111391220,0ptp4l0-21swapper/512:26:405
111391220,0ptp4l0-21swapper/512:09:125
111391220,0ptp4l0-21swapper/511:45:505
111391220,0ptp4l0-21swapper/511:39:205
111391220,0ptp4l0-21swapper/511:25:445
111391220,0ptp4l0-21swapper/511:22:235
111391220,0ptp4l0-21swapper/511:11:355
111391220,0ptp4l0-21swapper/511:02:215
111391220,0ptp4l0-21swapper/511:02:205
111391220,0ptp4l0-21swapper/510:56:115
111391220,0ptp4l0-21swapper/510:56:105
111391220,0ptp4l0-21swapper/510:45:465
111391220,0ptp4l0-21swapper/510:10:115
111391220,0ptp4l0-21swapper/510:09:545
111391220,0ptp4l0-21swapper/509:29:555
111391220,0ptp4l0-21swapper/508:35:475
111391220,0ptp4l0-21swapper/508:20:125
111391220,0ptp4l0-21swapper/508:20:115
111391220,0ptp4l0-21swapper/508:19:435
111391220,0ptp4l0-21swapper/507:30:005
111391220,0ptp4l0-21swapper/412:18:584
111391220,0ptp4l0-21swapper/409:50:124
111391220,0ptp4l0-21swapper/409:31:574
111391220,0ptp4l0-21swapper/409:00:134
111391220,0ptp4l0-21swapper/408:05:164
111391220,0ptp4l0-21swapper/407:55:014
111391220,0ptp4l0-21swapper/212:14:382
111391220,0ptp4l0-21swapper/211:09:552
111391220,0ptp4l0-21swapper/210:46:232
111391220,0ptp4l0-21swapper/112:26:401
111391220,0ptp4l0-21swapper/111:41:441
111391220,0ptp4l0-21swapper/111:25:421
111391220,0ptp4l0-21swapper/111:17:221
111391220,0ptp4l0-21swapper/111:08:561
111391220,0ptp4l0-21swapper/109:51:211
111391220,0ptp4l0-21swapper/109:35:131
111391220,0ptp4l0-21swapper/109:27:201
111391220,0ptp4l0-21swapper/109:05:131
111391220,0ptp4l0-21swapper/108:54:011
111391220,0ptp4l0-21swapper/108:25:131
111391220,0ptp4l0-21swapper/108:25:121
111391220,0ptp4l0-21swapper/107:45:191
111391220,0ptp4l0-21swapper/012:15:010
111391220,0ptp4l0-21swapper/010:47:050
111391220,0ptp4l0-21swapper/010:20:560
111391220,0ptp4l0-21swapper/010:00:190
111391220,0ptp4l0-21swapper/009:45:020
111391220,0ptp4l0-21swapper/009:40:160
111391220,0ptp4l0-21swapper/009:36:100
111391220,0ptp4l0-21swapper/008:55:160
111391220,0ptp4l0-21swapper/008:25:180
111391220,0ptp4l0-21swapper/008:25:180
111391220,0ptp4l0-21swapper/008:20:150
111391220,0ptp4l0-21swapper/008:20:140
111391210,0ptp4l0-21swapper/712:25:297
111391210,0ptp4l0-21swapper/709:37:577
111391210,0ptp4l0-21swapper/610:46:146
111391210,0ptp4l0-21swapper/610:17:186
111391210,0ptp4l0-21swapper/610:08:116
111391210,0ptp4l0-21swapper/609:58:316
111391210,0ptp4l0-21swapper/609:20:566
111391210,0ptp4l0-21swapper/510:44:475
111391210,0ptp4l0-21swapper/508:11:505
111391210,0ptp4l0-21swapper/507:24:225
111391210,0ptp4l0-21swapper/407:43:114
111391210,0ptp4l0-21swapper/312:25:333
111391210,0ptp4l0-21swapper/312:16:023
111391210,0ptp4l0-21swapper/309:19:103
111391210,0ptp4l0-21swapper/212:39:382
111391210,0ptp4l0-21swapper/212:01:002
111391210,0ptp4l0-21swapper/210:08:092
111391210,0ptp4l0-21swapper/209:21:012
111391210,0ptp4l0-21swapper/209:16:402
111391210,0ptp4l0-21swapper/111:33:331
111391210,0ptp4l0-21swapper/107:35:011
111391210,0ptp4l0-21swapper/007:45:000
111391200,3ptp4l401ktimersoftd/307:58:573
111391200,2ptp4l0-21swapper/407:16:034
111391200,0ptp4l19835-21diskmemload09:38:033
111391200,0ptp4l0-21swapper/611:18:566
111391200,0ptp4l0-21swapper/509:05:105
111391200,0ptp4l0-21swapper/408:32:104
111391200,0ptp4l0-21swapper/210:55:222
111391200,0ptp4l0-21swapper/210:55:222
111391200,0ptp4l0-21swapper/210:38:362
111391200,0ptp4l0-21swapper/209:58:312
111391200,0ptp4l0-21swapper/112:36:251
111391200,0ptp4l0-21swapper/108:19:471
111391200,0ptp4l0-21swapper/108:13:541
111391200,0ptp4l0-21swapper/108:04:491
111391200,0ptp4l0-21swapper/107:52:321
111391200,0ptp4l0-21swapper/107:29:151
111391200,0ptp4l0-21swapper/107:12:121
111391200,0ptp4l0-21swapper/009:08:090
111391200,0ptp4l0-21swapper/008:48:380
111391200,0ptp4l0-21swapper/007:50:330
111391190,1ptp4l7558-21smart_sda08:40:181
111391190,0ptp4l0-21swapper/611:33:526
111391190,0ptp4l0-21swapper/611:24:356
111391190,0ptp4l0-21swapper/507:52:305
111391190,0ptp4l0-21swapper/211:33:512
111391190,0ptp4l0-21swapper/211:10:512
111391190,0ptp4l0-21swapper/210:17:162
111391190,0ptp4l0-21swapper/108:20:121
111391190,0ptp4l0-21swapper/108:20:121
111391190,0ptp4l0-21swapper/107:33:111
124222180,1sleep773-21ksoftirqd/711:07:307
111391180,0ptp4l0-21swapper/612:00:566
111391180,0ptp4l0-21swapper/610:55:246
111391180,0ptp4l0-21swapper/610:55:236
111391180,0ptp4l0-21swapper/608:12:586
111391180,0ptp4l0-21swapper/407:47:534
111391170,2ptp4l0-21swapper/007:17:540
111391170,0ptp4l0-21swapper/612:39:396
111391170,0ptp4l0-21swapper/507:12:575
111391170,0ptp4l0-21swapper/311:33:143
111391160,1ptp4l802-21ksmtuned08:54:552
111391160,0ptp4l0-21swapper/611:10:526
111391160,0ptp4l0-21swapper/607:12:496
111391160,0ptp4l0-21swapper/507:29:025
111391160,0ptp4l0-21swapper/311:43:153
111391160,0ptp4l0-21swapper/007:24:090
111391150,0ptp4l0-21swapper/708:55:507
111391150,0ptp4l0-21swapper/708:09:047
111391150,0ptp4l0-21swapper/708:01:277
111391150,0ptp4l0-21swapper/707:20:357
111391150,0ptp4l0-21swapper/608:51:586
111391150,0ptp4l0-21swapper/608:42:056
111391150,0ptp4l0-21swapper/608:02:286
111391150,0ptp4l0-21swapper/508:53:475
111391150,0ptp4l0-21swapper/508:09:545
111391150,0ptp4l0-21swapper/408:35:234
111391150,0ptp4l0-21swapper/308:55:483
111391150,0ptp4l0-21swapper/308:09:023
111391150,0ptp4l0-21swapper/307:20:373
111391150,0ptp4l0-21swapper/212:06:262
111391150,0ptp4l0-21swapper/211:04:532
111391150,0ptp4l0-21swapper/211:04:532
111391150,0ptp4l0-21swapper/208:42:042
111391150,0ptp4l0-21swapper/208:02:362
111391150,0ptp4l0-21swapper/207:44:362
111391150,0ptp4l0-21swapper/207:11:272
111391150,0ptp4l0-21swapper/108:56:511
111391150,0ptp4l0-21swapper/108:09:541
111391150,0ptp4l0-21swapper/007:42:330
29083991412,1cyclictest0-21swapper/311:35:163
111391140,0ptp4l0-21swapper/707:58:587
111391140,0ptp4l0-21swapper/607:44:346
111391140,0ptp4l0-21swapper/508:58:335
111391140,0ptp4l0-21swapper/308:01:273
111391140,0ptp4l0-21swapper/208:35:282
111391140,0ptp4l0-21swapper/208:12:582
111391140,0ptp4l0-21swapper/207:55:412
111391140,0ptp4l0-21swapper/207:46:252
111391140,0ptp4l0-21swapper/207:18:092
2908399130,12cyclictest0-21swapper/307:39:593
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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