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2026-05-23 - 00:01

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 Fri May 22, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,30ptp4l0-21swapper/107:05:201
111391620,6ptp4l0-21swapper/007:07:090
377826050,6sleep20-21swapper/207:09:032
111391580,5ptp4l0-21swapper/407:06:294
382125543,7sleep70-21swapper/707:09:407
111391510,5ptp4l0-21swapper/507:05:225
376024938,7sleep60-21swapper/607:08:516
351224836,7sleep30-21swapper/307:05:433
274482420,2sleep0411999cyclictest11:20:120
111391340,0ptp4l0-21swapper/411:52:484
111391320,0ptp4l0-21swapper/510:00:165
111391310,2ptp4l0-21swapper/408:05:214
111391310,0ptp4l0-21swapper/509:26:305
111391310,0ptp4l0-21swapper/412:31:034
111391310,0ptp4l0-21swapper/410:50:194
111391310,0ptp4l0-21swapper/410:30:134
111391310,0ptp4l0-21swapper/108:20:211
4154993025,1cyclictest85250irq/31-eno1-rx-11:58:125
111391300,0ptp4l0-21swapper/707:15:017
111391300,0ptp4l0-21swapper/508:20:185
111391300,0ptp4l0-21swapper/409:13:044
111391300,0ptp4l0-21swapper/110:10:001
111391300,0ptp4l0-21swapper/010:11:480
111391300,0ptp4l0-21swapper/010:01:070
111391300,0ptp4l0-21swapper/009:28:500
111391290,3ptp4l0-21swapper/210:48:092
111391290,1ptp4l26325-21memory07:55:150
111391290,0ptp4l0-21swapper/510:21:355
111391290,0ptp4l0-21swapper/412:37:024
111391290,0ptp4l0-21swapper/412:08:424
111391290,0ptp4l0-21swapper/411:17:024
111391290,0ptp4l0-21swapper/411:00:164
111391290,0ptp4l0-21swapper/410:06:574
111391290,0ptp4l0-21swapper/410:02:474
111391290,0ptp4l0-21swapper/407:10:004
111391290,0ptp4l0-21swapper/111:09:101
111391290,0ptp4l0-21swapper/110:00:271
111391290,0ptp4l0-21swapper/011:45:270
111391290,0ptp4l0-21swapper/010:57:190
111391290,0ptp4l0-21swapper/010:44:270
111391290,0ptp4l0-21swapper/010:31:340
111391280,0ptp4l0-21swapper/412:01:304
111391280,0ptp4l0-21swapper/411:59:484
111391280,0ptp4l0-21swapper/410:47:194
111391280,0ptp4l0-21swapper/410:35:094
111391280,0ptp4l0-21swapper/409:46:374
111391280,0ptp4l0-21swapper/409:44:554
111391280,0ptp4l0-21swapper/011:39:010
111391280,0ptp4l0-21swapper/010:26:000
111391270,4ptp4l0-21swapper/112:19:161
111391270,0ptp4l0-21swapper/611:34:156
111391270,0ptp4l0-21swapper/511:43:475
111391270,0ptp4l0-21swapper/510:06:045
111391270,0ptp4l0-21swapper/509:33:055
111391270,0ptp4l0-21swapper/411:48:404
111391270,0ptp4l0-21swapper/411:35:494
111391270,0ptp4l0-21swapper/411:31:444
111391270,0ptp4l0-21swapper/411:12:084
111391270,0ptp4l0-21swapper/411:08:014
111391270,0ptp4l0-21swapper/409:24:404
111391270,0ptp4l0-21swapper/409:15:594
111391270,0ptp4l0-21swapper/111:51:251
111391270,0ptp4l0-21swapper/110:53:451
111391270,0ptp4l0-21swapper/110:40:081
111391270,0ptp4l0-21swapper/010:51:160
111391270,0ptp4l0-21swapper/010:09:430
111391270,0ptp4l0-21swapper/009:41:070
111391270,0ptp4l0-21swapper/009:10:080
111391260,2ptp4l0-21swapper/109:52:511
111391260,0ptp4l27225-21diskmemload12:20:574
111391260,0ptp4l0-21swapper/712:22:447
111391260,0ptp4l0-21swapper/511:23:035
111391260,0ptp4l0-21swapper/511:08:255
111391260,0ptp4l0-21swapper/508:20:005
111391260,0ptp4l0-21swapper/409:59:094
111391260,0ptp4l0-21swapper/409:34:014
111391260,0ptp4l0-21swapper/409:25:204
111391260,0ptp4l0-21swapper/110:55:051
111391260,0ptp4l0-21swapper/110:05:141
111391260,0ptp4l0-21swapper/109:16:501
111391260,0ptp4l0-21swapper/108:40:151
111391260,0ptp4l0-21swapper/012:33:500
111391260,0ptp4l0-21swapper/012:20:530
111391260,0ptp4l0-21swapper/010:21:440
111391250,1ptp4l18694-21/usr/sbin/munin08:50:112
111391250,0ptp4l0-21swapper/611:20:116
111391250,0ptp4l0-21swapper/512:14:595
111391250,0ptp4l0-21swapper/511:39:345
111391250,0ptp4l0-21swapper/508:40:155
111391250,0ptp4l0-21swapper/507:25:145
111391250,0ptp4l0-21swapper/410:41:194
111391250,0ptp4l0-21swapper/410:29:014
111391250,0ptp4l0-21swapper/408:10:184
111391250,0ptp4l0-21swapper/407:29:464
111391250,0ptp4l0-21swapper/312:22:573
111391250,0ptp4l0-21swapper/012:38:110
111391250,0ptp4l0-21swapper/012:25:040
111391250,0ptp4l0-21swapper/012:05:300
111391250,0ptp4l0-21swapper/012:00:130
111391250,0ptp4l0-21swapper/011:43:170
111391250,0ptp4l0-21swapper/011:31:080
111391250,0ptp4l0-21swapper/011:28:540
111391250,0ptp4l0-21swapper/011:18:430
111391250,0ptp4l0-21swapper/011:00:140
111391250,0ptp4l0-21swapper/010:47:320
111391250,0ptp4l0-21swapper/009:05:200
111391250,0ptp4l0-21swapper/008:10:170
111391240,2ptp4l0-21swapper/410:12:144
111391240,1ptp4l8878-21/usr/sbin/munin10:10:175
111391240,1ptp4l3365-21/usr/sbin/munin09:20:101
111391240,1ptp4l31957-21/usr/sbin/munin12:10:151
111391240,1ptp4l28131-21fw_forwarded_lo08:00:120
111391240,1ptp4l23508-21awk09:00:144
111391240,1ptp4l11798-21/usr/sbin/munin07:25:111
111391240,0ptp4l1535-21diskstats10:45:111
111391240,0ptp4l12500-21ptp4l-jitter10:15:195
111391240,0ptp4l12500-21ptp4l-jitter10:15:185
111391240,0ptp4l0-21swapper/712:32:327
111391240,0ptp4l0-21swapper/608:50:156
111391240,0ptp4l0-21swapper/512:15:115
111391240,0ptp4l0-21swapper/509:40:265
111391240,0ptp4l0-21swapper/509:20:125
111391240,0ptp4l0-21swapper/509:05:015
111391240,0ptp4l0-21swapper/412:25:114
111391240,0ptp4l0-21swapper/411:40:204
111391240,0ptp4l0-21swapper/410:20:124
111391240,0ptp4l0-21swapper/410:19:564
111391240,0ptp4l0-21swapper/410:19:564
111391240,0ptp4l0-21swapper/407:55:194
111391240,0ptp4l0-21swapper/407:35:144
111391240,0ptp4l0-21swapper/407:35:144
111391240,0ptp4l0-21swapper/212:00:202
111391240,0ptp4l0-21swapper/112:00:111
111391240,0ptp4l0-21swapper/111:59:531
111391240,0ptp4l0-21swapper/110:18:561
111391240,0ptp4l0-21swapper/110:18:551
111391240,0ptp4l0-21swapper/109:32:331
111391240,0ptp4l0-21swapper/010:36:190
111391240,0ptp4l0-21swapper/010:17:140
111391240,0ptp4l0-21swapper/010:17:140
111391240,0ptp4l0-21swapper/009:56:430
111391240,0ptp4l0-21swapper/009:53:500
111391240,0ptp4l0-21swapper/009:49:210
111391240,0ptp4l0-21swapper/009:39:020
111391240,0ptp4l0-21swapper/009:31:170
111391240,0ptp4l0-21swapper/009:15:150
111391240,0ptp4l0-21swapper/007:35:220
111391240,0ptp4l0-21swapper/007:35:220
111391230,1ptp4l14394-21/usr/sbin/munin07:30:120
111391230,0ptp4l0-21swapper/611:05:196
111391230,0ptp4l0-21swapper/609:28:586
111391230,0ptp4l0-21swapper/512:38:185
111391230,0ptp4l0-21swapper/511:50:195
111391230,0ptp4l0-21swapper/511:45:165
111391230,0ptp4l0-21swapper/511:35:005
111391230,0ptp4l0-21swapper/511:15:185
111391230,0ptp4l0-21swapper/511:10:125
111391230,0ptp4l0-21swapper/510:58:555
111391230,0ptp4l0-21swapper/510:45:195
111391230,0ptp4l0-21swapper/510:40:115
111391230,0ptp4l0-21swapper/510:27:585
111391230,0ptp4l0-21swapper/509:15:195
111391230,0ptp4l0-21swapper/508:45:205
111391230,0ptp4l0-21swapper/508:39:125
111391230,0ptp4l0-21swapper/508:30:135
111391230,0ptp4l0-21swapper/507:50:155
111391230,0ptp4l0-21swapper/412:16:534
111391230,0ptp4l0-21swapper/412:10:214
111391230,0ptp4l0-21swapper/411:25:154
111391230,0ptp4l0-21swapper/411:20:154
111391230,0ptp4l0-21swapper/409:50:134
111391230,0ptp4l0-21swapper/409:35:184
111391230,0ptp4l0-21swapper/408:55:144
111391230,0ptp4l0-21swapper/408:40:384
111391230,0ptp4l0-21swapper/408:37:144
111391230,0ptp4l0-21swapper/408:25:164
111391230,0ptp4l0-21swapper/407:30:174
111391230,0ptp4l0-21swapper/407:20:114
111391230,0ptp4l0-21swapper/307:15:133
111391230,0ptp4l0-21swapper/211:05:192
111391230,0ptp4l0-21swapper/111:46:561
111391230,0ptp4l0-21swapper/111:15:201
111391230,0ptp4l0-21swapper/111:10:141
111391230,0ptp4l0-21swapper/109:40:151
111391230,0ptp4l0-21swapper/109:26:111
111391230,0ptp4l0-21swapper/108:45:191
111391230,0ptp4l0-21swapper/108:30:151
111391230,0ptp4l0-21swapper/108:15:181
111391230,0ptp4l0-21swapper/108:13:241
111391230,0ptp4l0-21swapper/012:15:260
111391230,0ptp4l0-21swapper/011:55:150
111391230,0ptp4l0-21swapper/011:13:160
111391230,0ptp4l0-21swapper/011:05:150
111391230,0ptp4l0-21swapper/009:00:120
111391230,0ptp4l0-21swapper/008:25:000
111391230,0ptp4l0-21swapper/007:40:190
111391230,0ptp4l0-21swapper/007:40:180
111391230,0ptp4l0-21swapper/007:20:100
111391230,0ptp4l0-21swapper/007:10:110
111391220,0ptp4l0-21swapper/709:36:377
111391220,0ptp4l0-21swapper/612:03:036
111391220,0ptp4l0-21swapper/611:19:576
111391220,0ptp4l0-21swapper/610:47:116
111391220,0ptp4l0-21swapper/512:31:195
111391220,0ptp4l0-21swapper/512:26:215
111391220,0ptp4l0-21swapper/512:00:085
111391220,0ptp4l0-21swapper/511:03:285
111391220,0ptp4l0-21swapper/510:30:235
111391220,0ptp4l0-21swapper/410:55:124
111391220,0ptp4l0-21swapper/409:05:014
111391220,0ptp4l0-21swapper/408:50:254
111391220,0ptp4l0-21swapper/408:00:134
111391220,0ptp4l0-21swapper/407:50:194
111391220,0ptp4l0-21swapper/407:45:144
111391220,0ptp4l0-21swapper/407:40:024
111391220,0ptp4l0-21swapper/407:40:024
111391220,0ptp4l0-21swapper/312:32:333
111391220,0ptp4l0-21swapper/312:15:433
111391220,0ptp4l0-21swapper/309:51:013
111391220,0ptp4l0-21swapper/307:27:343
111391220,0ptp4l0-21swapper/212:21:422
111391220,0ptp4l0-21swapper/211:32:192
111391220,0ptp4l0-21swapper/211:27:512
111391220,0ptp4l0-21swapper/210:18:472
111391220,0ptp4l0-21swapper/210:18:472
111391220,0ptp4l0-21swapper/209:28:572
111391220,0ptp4l0-21swapper/112:27:401
111391220,0ptp4l0-21swapper/112:20:011
111391220,0ptp4l0-21swapper/112:08:541
111391220,0ptp4l0-21swapper/111:41:251
111391220,0ptp4l0-21swapper/111:35:011
111391220,0ptp4l0-21swapper/111:34:591
111391220,0ptp4l0-21swapper/111:21:501
111391220,0ptp4l0-21swapper/111:02:591
111391220,0ptp4l0-21swapper/110:30:211
111391220,0ptp4l0-21swapper/110:28:001
111391220,0ptp4l0-21swapper/109:59:011
111391220,0ptp4l0-21swapper/109:36:561
111391220,0ptp4l0-21swapper/109:14:041
111391220,0ptp4l0-21swapper/108:35:181
111391220,0ptp4l0-21swapper/108:02:251
111391220,0ptp4l0-21swapper/107:50:161
111391220,0ptp4l0-21swapper/012:10:200
111391220,0ptp4l0-21swapper/011:52:090
111391220,0ptp4l0-21swapper/009:20:200
111391220,0ptp4l0-21swapper/008:55:180
111391220,0ptp4l0-21swapper/008:43:330
111391220,0ptp4l0-21swapper/008:15:170
111391220,0ptp4l0-21swapper/008:05:170
111391220,0ptp4l0-21swapper/007:50:170
111391220,0ptp4l0-21swapper/007:45:110
111391210,0ptp4l0-21swapper/712:15:497
111391210,0ptp4l0-21swapper/611:27:576
111391210,0ptp4l0-21swapper/610:18:266
111391210,0ptp4l0-21swapper/610:18:266
111391210,0ptp4l0-21swapper/609:31:036
111391210,0ptp4l0-21swapper/512:24:195
111391210,0ptp4l0-21swapper/510:53:315
111391210,0ptp4l0-21swapper/509:58:545
111391210,0ptp4l0-21swapper/509:52:565
111391210,0ptp4l0-21swapper/509:47:025
111391210,0ptp4l0-21swapper/509:36:545
111391210,0ptp4l0-21swapper/509:10:405
111391210,0ptp4l0-21swapper/509:08:075
111391210,0ptp4l0-21swapper/508:11:475
111391210,0ptp4l0-21swapper/507:43:015
111391210,0ptp4l0-21swapper/507:43:005
111391210,0ptp4l0-21swapper/507:32:335
111391210,0ptp4l0-21swapper/408:46:074
111391210,0ptp4l0-21swapper/408:15:174
111391210,0ptp4l0-21swapper/407:16:464
111391210,0ptp4l0-21swapper/212:12:232
111391210,0ptp4l0-21swapper/211:20:032
111391210,0ptp4l0-21swapper/112:35:211
111391210,0ptp4l0-21swapper/112:31:151
111391210,0ptp4l0-21swapper/110:38:301
111391210,0ptp4l0-21swapper/110:24:161
111391210,0ptp4l0-21swapper/109:49:451
111391210,0ptp4l0-21swapper/109:07:371
111391210,0ptp4l0-21swapper/109:04:071
111391210,0ptp4l0-21swapper/108:55:471
111391210,0ptp4l0-21swapper/108:07:371
111391210,0ptp4l0-21swapper/107:48:241
111391210,0ptp4l0-21swapper/107:42:591
111391210,0ptp4l0-21swapper/107:42:591
111391210,0ptp4l0-21swapper/008:50:200
111391210,0ptp4l0-21swapper/008:25:130
111391210,0ptp4l0-21swapper/007:28:590
415499200,19cyclictest85250irq/31-eno1-rx-07:39:055
415499200,19cyclictest85250irq/31-eno1-rx-07:39:055
111391200,0ptp4l0-21swapper/709:51:047
111391200,0ptp4l0-21swapper/610:26:336
111391200,0ptp4l0-21swapper/609:49:216
111391200,0ptp4l0-21swapper/512:05:525
111391200,0ptp4l0-21swapper/510:38:495
111391200,0ptp4l0-21swapper/508:02:075
111391200,0ptp4l0-21swapper/507:12:255
111391200,0ptp4l0-21swapper/408:32:254
111391200,0ptp4l0-21swapper/408:24:474
111391200,0ptp4l0-21swapper/309:36:383
111391200,0ptp4l0-21swapper/308:04:073
111391200,0ptp4l0-21swapper/108:54:491
111391200,0ptp4l0-21swapper/107:55:071
111391200,0ptp4l0-21swapper/107:23:091
111391200,0ptp4l0-21swapper/107:14:071
111391200,0ptp4l0-21swapper/008:35:130
111391200,0ptp4l0-21swapper/007:17:440
111391190,0ptp4l0-21swapper/612:19:506
111391190,0ptp4l0-21swapper/508:54:355
111391190,0ptp4l0-21swapper/507:47:465
111391190,0ptp4l0-21swapper/209:49:212
111391190,0ptp4l0-21swapper/107:32:171
111391180,0ptp4l0-21swapper/707:28:087
111391180,0ptp4l0-21swapper/612:12:226
111391180,0ptp4l0-21swapper/508:07:385
111391180,0ptp4l0-21swapper/212:19:522
111391180,0ptp4l0-21swapper/210:21:152
111391180,0ptp4l0-21swapper/209:31:042
111391180,0ptp4l0-21swapper/008:32:190
111391170,2ptp4l0-21swapper/107:17:411
111391170,0ptp4l0-21swapper/209:01:262
111391160,0ptp4l0-21swapper/607:11:396
111391160,0ptp4l0-21swapper/508:56:005
111391160,0ptp4l0-21swapper/507:55:115
111391160,0ptp4l0-21swapper/507:21:565
111391160,0ptp4l0-21swapper/211:19:572
111391160,0ptp4l0-21swapper/008:45:550
111391150,0ptp4l0-21swapper/708:03:237
111391150,0ptp4l0-21swapper/707:14:317
111391150,0ptp4l0-21swapper/612:33:296
111391150,0ptp4l0-21swapper/612:21:396
111391150,0ptp4l0-21swapper/610:01:046
111391150,0ptp4l0-21swapper/609:01:176
111391150,0ptp4l0-21swapper/608:42:096
111391150,0ptp4l0-21swapper/608:21:466
111391150,0ptp4l0-21swapper/608:05:316
111391150,0ptp4l0-21swapper/607:57:276
111391150,0ptp4l0-21swapper/607:43:186
111391150,0ptp4l0-21swapper/607:43:186
111391150,0ptp4l0-21swapper/607:29:266
111391150,0ptp4l0-21swapper/508:26:365
111391150,0ptp4l0-21swapper/307:14:553
111391150,0ptp4l0-21swapper/210:26:322
111391150,0ptp4l0-21swapper/208:21:462
111391150,0ptp4l0-21swapper/208:05:342
111391150,0ptp4l0-21swapper/207:39:552
111391150,0ptp4l0-21swapper/207:39:552
111391150,0ptp4l0-21swapper/207:29:272
111391150,0ptp4l0-21swapper/207:11:452
111391150,0ptp4l0-21swapper/108:26:371
111391150,0ptp4l0-21swapper/107:36:101
111391150,0ptp4l0-21swapper/107:36:091
111391140,0ptp4l0-21swapper/610:21:166
111391140,0ptp4l0-21swapper/608:32:196
111391140,0ptp4l0-21swapper/607:36:406
111391140,0ptp4l0-21swapper/607:36:396
111391140,0ptp4l0-21swapper/507:17:105
111391140,0ptp4l0-21swapper/212:33:292
111391140,0ptp4l0-21swapper/209:21:532
111391140,0ptp4l0-21swapper/208:42:092
111391140,0ptp4l0-21swapper/208:32:172
111391140,0ptp4l0-21swapper/207:57:262
111391140,0ptp4l0-21swapper/207:43:182
111391140,0ptp4l0-21swapper/207:43:172
414199110,1cyclictest0-21swapper/308:35:203
414199110,10cyclictest0-21swapper/312:07:443
414199110,10cyclictest0-21swapper/311:30:483
416999109,0cyclictest0-21swapper/710:20:167
416999100,9cyclictest0-21swapper/712:35:257
416999100,9cyclictest0-21swapper/711:16:507
416999100,9cyclictest0-21swapper/711:11:297
416999100,9cyclictest0-21swapper/710:42:267
416999100,9cyclictest0-21swapper/709:56:037
416999100,0cyclictest0-21swapper/712:05:147
416999100,0cyclictest0-21swapper/711:06:197
416999100,0cyclictest0-21swapper/710:13:037
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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