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2026-04-11 - 20:33

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 Apr 11, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1246826240,6sleep70-21swapper/707:07:537
111391610,28ptp4l0-21swapper/007:05:560
1240825938,6sleep20-21swapper/207:07:082
111391590,5ptp4l0-21swapper/407:07:034
1239825342,7sleep10-21swapper/107:06:581
1247324837,7sleep30-21swapper/307:07:573
1239324634,7sleep50-21swapper/507:06:545
1230124535,6sleep60-21swapper/607:05:436
111391330,3ptp4l0-21swapper/407:10:144
111391320,0ptp4l0-21swapper/012:28:570
111391320,0ptp4l0-21swapper/011:09:540
111391300,0ptp4l0-21swapper/510:12:595
111391300,0ptp4l0-21swapper/411:59:024
111391300,0ptp4l0-21swapper/409:10:144
111391300,0ptp4l0-21swapper/009:51:260
111391290,0ptp4l0-21swapper/412:07:414
111391290,0ptp4l0-21swapper/412:01:004
111391290,0ptp4l0-21swapper/110:41:161
111391290,0ptp4l0-21swapper/010:25:580
111391290,0ptp4l0-21swapper/009:33:530
111391280,3ptp4l721ktimersoftd/711:23:367
111391280,0ptp4l0-21swapper/412:11:124
111391280,0ptp4l0-21swapper/411:53:174
111391280,0ptp4l0-21swapper/411:28:454
111391280,0ptp4l0-21swapper/411:16:564
111391280,0ptp4l0-21swapper/410:57:454
111391280,0ptp4l0-21swapper/410:32:044
111391280,0ptp4l0-21swapper/410:01:424
111391280,0ptp4l0-21swapper/011:26:460
111391280,0ptp4l0-21swapper/010:53:030
111391280,0ptp4l0-21swapper/010:43:570
111391280,0ptp4l0-21swapper/009:45:180
111391270,0ptp4l0-21swapper/509:49:075
111391270,0ptp4l0-21swapper/412:21:404
111391270,0ptp4l0-21swapper/411:05:434
111391270,0ptp4l0-21swapper/409:38:384
111391270,0ptp4l0-21swapper/409:32:134
111391270,0ptp4l0-21swapper/407:20:004
111391270,0ptp4l0-21swapper/012:10:390
111391270,0ptp4l0-21swapper/011:51:110
111391270,0ptp4l0-21swapper/010:31:050
111391270,0ptp4l0-21swapper/009:55:230
111391270,0ptp4l0-21swapper/009:00:170
111391270,0ptp4l0-21swapper/008:28:500
111391260,1ptp4l30018-21diskstats07:45:123
111391260,0ptp4l0-21swapper/511:50:145
111391260,0ptp4l0-21swapper/411:11:584
111391260,0ptp4l0-21swapper/411:11:584
111391260,0ptp4l0-21swapper/411:00:554
111391260,0ptp4l0-21swapper/410:26:474
111391260,0ptp4l0-21swapper/409:55:044
111391260,0ptp4l0-21swapper/409:45:174
111391260,0ptp4l0-21swapper/209:51:502
111391260,0ptp4l0-21swapper/111:49:541
111391260,0ptp4l0-21swapper/011:15:180
111391260,0ptp4l0-21swapper/010:00:380
111391250,0ptp4l0-21swapper/412:15:334
111391250,0ptp4l0-21swapper/411:39:304
111391250,0ptp4l0-21swapper/410:43:344
111391250,0ptp4l0-21swapper/410:36:454
111391250,0ptp4l0-21swapper/410:09:274
111391250,0ptp4l0-21swapper/409:42:084
111391250,0ptp4l0-21swapper/408:01:384
111391250,0ptp4l0-21swapper/112:34:251
111391250,0ptp4l0-21swapper/109:40:251
111391250,0ptp4l0-21swapper/109:20:071
111391250,0ptp4l0-21swapper/012:39:440
111391250,0ptp4l0-21swapper/011:56:070
111391250,0ptp4l0-21swapper/011:45:060
111391250,0ptp4l0-21swapper/011:23:270
111391250,0ptp4l0-21swapper/009:38:010
111391250,0ptp4l0-21swapper/009:10:280
111391240,2ptp4l0-21swapper/012:09:580
111391240,1ptp4l6646-21diskstats12:15:120
111391240,1ptp4l25100-21cpuspeed_turbos11:10:100
111391240,1ptp4l25100-21cpuspeed_turbos11:10:100
111391240,1ptp4l23017-21users11:05:215
111391240,1ptp4l22435-21timerandwakeup11:50:211
111391240,1ptp4l20341-21/usr/sbin/munin08:35:154
111391240,1ptp4l17531-21latency_hist11:00:001
111391240,0ptp4l0-21swapper/707:30:177
111391240,0ptp4l0-21swapper/508:40:145
111391240,0ptp4l0-21swapper/508:20:165
111391240,0ptp4l0-21swapper/508:15:125
111391240,0ptp4l0-21swapper/507:35:165
111391240,0ptp4l0-21swapper/412:31:364
111391240,0ptp4l0-21swapper/410:52:434
111391240,0ptp4l0-21swapper/410:20:494
111391240,0ptp4l0-21swapper/409:25:204
111391240,0ptp4l0-21swapper/408:20:014
111391240,0ptp4l0-21swapper/210:56:442
111391240,0ptp4l0-21swapper/209:14:432
111391240,0ptp4l0-21swapper/112:35:031
111391240,0ptp4l0-21swapper/110:34:441
111391240,0ptp4l0-21swapper/109:35:571
111391240,0ptp4l0-21swapper/109:15:011
111391240,0ptp4l0-21swapper/108:07:161
111391240,0ptp4l0-21swapper/010:56:170
111391240,0ptp4l0-21swapper/010:39:530
111391240,0ptp4l0-21swapper/009:19:290
111391240,0ptp4l0-21swapper/007:55:210
111391230,1ptp4l8158-21/usr/sbin/munin10:45:165
111391230,1ptp4l31711-21latency_hist09:00:014
111391230,1ptp4l25327-21ssh11:55:161
111391230,1ptp4l20568-21ssh09:31:345
111391230,1ptp4l1685-21latency_hist07:55:004
111391230,1ptp4l0-21swapper/412:26:124
111391230,0ptp4l0-21swapper/710:20:127
111391230,0ptp4l0-21swapper/708:40:477
111391230,0ptp4l0-21swapper/707:45:117
111391230,0ptp4l0-21swapper/512:35:145
111391230,0ptp4l0-21swapper/512:35:005
111391230,0ptp4l0-21swapper/511:20:195
111391230,0ptp4l0-21swapper/510:59:555
111391230,0ptp4l0-21swapper/510:40:125
111391230,0ptp4l0-21swapper/510:35:145
111391230,0ptp4l0-21swapper/509:21:395
111391230,0ptp4l0-21swapper/508:57:015
111391230,0ptp4l0-21swapper/508:00:225
111391230,0ptp4l0-21swapper/411:45:134
111391230,0ptp4l0-21swapper/410:47:214
111391230,0ptp4l0-21swapper/410:10:024
111391230,0ptp4l0-21swapper/409:52:354
111391230,0ptp4l0-21swapper/409:20:144
111391230,0ptp4l0-21swapper/409:18:194
111391230,0ptp4l0-21swapper/408:50:174
111391230,0ptp4l0-21swapper/408:05:174
111391230,0ptp4l0-21swapper/310:20:133
111391230,0ptp4l0-21swapper/212:10:422
111391230,0ptp4l0-21swapper/208:15:132
111391230,0ptp4l0-21swapper/111:40:161
111391230,0ptp4l0-21swapper/111:35:121
111391230,0ptp4l0-21swapper/111:20:141
111391230,0ptp4l0-21swapper/111:05:201
111391230,0ptp4l0-21swapper/109:45:201
111391230,0ptp4l0-21swapper/108:54:271
111391230,0ptp4l0-21swapper/108:30:221
111391230,0ptp4l0-21swapper/108:30:211
111391230,0ptp4l0-21swapper/107:25:161
111391230,0ptp4l0-21swapper/107:15:191
111391230,0ptp4l0-21swapper/012:30:150
111391230,0ptp4l0-21swapper/012:03:170
111391230,0ptp4l0-21swapper/011:42:400
111391230,0ptp4l0-21swapper/011:30:440
111391230,0ptp4l0-21swapper/011:00:190
111391230,0ptp4l0-21swapper/010:24:120
111391230,0ptp4l0-21swapper/009:43:440
111391230,0ptp4l0-21swapper/008:33:080
111391230,0ptp4l0-21swapper/008:33:070
111391230,0ptp4l0-21swapper/008:07:290
111391230,0ptp4l0-21swapper/007:40:190
111391220,0ptp4l0-21swapper/707:45:007
111391220,0ptp4l0-21swapper/612:04:436
111391220,0ptp4l0-21swapper/512:22:525
111391220,0ptp4l0-21swapper/512:18:545
111391220,0ptp4l0-21swapper/511:55:175
111391220,0ptp4l0-21swapper/511:46:515
111391220,0ptp4l0-21swapper/511:40:125
111391220,0ptp4l0-21swapper/511:35:115
111391220,0ptp4l0-21swapper/511:30:085
111391220,0ptp4l0-21swapper/511:15:205
111391220,0ptp4l0-21swapper/510:30:015
111391220,0ptp4l0-21swapper/510:15:165
111391220,0ptp4l0-21swapper/509:50:175
111391220,0ptp4l0-21swapper/509:42:255
111391220,0ptp4l0-21swapper/509:15:505
111391220,0ptp4l0-21swapper/509:05:185
111391220,0ptp4l0-21swapper/508:30:135
111391220,0ptp4l0-21swapper/508:30:125
111391220,0ptp4l0-21swapper/507:25:215
111391220,0ptp4l0-21swapper/412:38:154
111391220,0ptp4l0-21swapper/411:23:064
111391220,0ptp4l0-21swapper/409:00:144
111391220,0ptp4l0-21swapper/408:45:124
111391220,0ptp4l0-21swapper/408:33:334
111391220,0ptp4l0-21swapper/408:33:334
111391220,0ptp4l0-21swapper/408:25:114
111391220,0ptp4l0-21swapper/408:20:174
111391220,0ptp4l0-21swapper/408:10:164
111391220,0ptp4l0-21swapper/407:55:224
111391220,0ptp4l0-21swapper/407:40:194
111391220,0ptp4l0-21swapper/407:38:214
111391220,0ptp4l0-21swapper/407:20:154
111391220,0ptp4l0-21swapper/307:30:143
111391220,0ptp4l0-21swapper/112:22:541
111391220,0ptp4l0-21swapper/112:05:451
111391220,0ptp4l0-21swapper/112:04:281
111391220,0ptp4l0-21swapper/111:30:161
111391220,0ptp4l0-21swapper/111:26:281
111391220,0ptp4l0-21swapper/111:15:181
111391220,0ptp4l0-21swapper/110:50:581
111391220,0ptp4l0-21swapper/110:45:151
111391220,0ptp4l0-21swapper/110:35:081
111391220,0ptp4l0-21swapper/110:15:211
111391220,0ptp4l0-21swapper/110:07:401
111391220,0ptp4l0-21swapper/110:01:501
111391220,0ptp4l0-21swapper/109:55:151
111391220,0ptp4l0-21swapper/109:50:161
111391220,0ptp4l0-21swapper/109:31:191
111391220,0ptp4l0-21swapper/109:15:151
111391220,0ptp4l0-21swapper/109:05:121
111391220,0ptp4l0-21swapper/108:55:181
111391220,0ptp4l0-21swapper/108:40:171
111391220,0ptp4l0-21swapper/108:00:141
111391220,0ptp4l0-21swapper/107:36:501
111391220,0ptp4l0-21swapper/012:20:130
111391220,0ptp4l0-21swapper/011:38:040
111391220,0ptp4l0-21swapper/010:10:190
111391220,0ptp4l0-21swapper/010:05:180
111391220,0ptp4l0-21swapper/009:25:150
111391220,0ptp4l0-21swapper/009:20:010
111391220,0ptp4l0-21swapper/008:52:500
111391220,0ptp4l0-21swapper/008:45:160
111391220,0ptp4l0-21swapper/008:36:120
111391220,0ptp4l0-21swapper/008:15:170
111391220,0ptp4l0-21swapper/008:10:170
111391220,0ptp4l0-21swapper/008:04:530
111391220,0ptp4l0-21swapper/007:20:170
111391220,0ptp4l0-21swapper/007:10:320
111391210,2ptp4l0-21swapper/111:00:411
111391210,1ptp4l0-21swapper/210:19:052
111391210,0ptp4l0-21swapper/612:17:056
111391210,0ptp4l0-21swapper/611:44:556
111391210,0ptp4l0-21swapper/611:31:406
111391210,0ptp4l0-21swapper/610:53:426
111391210,0ptp4l0-21swapper/609:17:366
111391210,0ptp4l0-21swapper/512:28:445
111391210,0ptp4l0-21swapper/512:05:325
111391210,0ptp4l0-21swapper/512:00:105
111391210,0ptp4l0-21swapper/511:03:225
111391210,0ptp4l0-21swapper/510:51:535
111391210,0ptp4l0-21swapper/510:27:165
111391210,0ptp4l0-21swapper/510:22:005
111391210,0ptp4l0-21swapper/510:07:305
111391210,0ptp4l0-21swapper/510:02:025
111391210,0ptp4l0-21swapper/509:55:125
111391210,0ptp4l0-21swapper/509:35:345
111391210,0ptp4l0-21swapper/509:26:005
111391210,0ptp4l0-21swapper/509:10:485
111391210,0ptp4l0-21swapper/508:54:545
111391210,0ptp4l0-21swapper/507:59:195
111391210,0ptp4l0-21swapper/507:15:125
111391210,0ptp4l0-21swapper/411:42:464
111391210,0ptp4l0-21swapper/411:30:144
111391210,0ptp4l0-21swapper/410:15:114
111391210,0ptp4l0-21swapper/311:23:433
111391210,0ptp4l0-21swapper/212:09:062
111391210,0ptp4l0-21swapper/211:44:542
111391210,0ptp4l0-21swapper/211:32:272
111391210,0ptp4l0-21swapper/211:15:172
111391210,0ptp4l0-21swapper/210:53:402
111391210,0ptp4l0-21swapper/112:25:521
111391210,0ptp4l0-21swapper/112:16:321
111391210,0ptp4l0-21swapper/110:27:321
111391210,0ptp4l0-21swapper/109:27:301
111391210,0ptp4l0-21swapper/108:20:161
111391210,0ptp4l0-21swapper/107:51:511
111391210,0ptp4l0-21swapper/107:10:121
111391210,0ptp4l0-21swapper/010:46:030
111391210,0ptp4l0-21swapper/010:15:130
111391210,0ptp4l0-21swapper/009:06:370
111391210,0ptp4l0-21swapper/008:55:190
111391210,0ptp4l0-21swapper/008:20:170
111391210,0ptp4l0-21swapper/007:50:200
111391210,0ptp4l0-21swapper/007:47:360
111391210,0ptp4l0-21swapper/007:18:190
111391200,0ptp4l0-21swapper/610:56:456
111391200,0ptp4l0-21swapper/610:49:356
111391200,0ptp4l0-21swapper/610:23:496
111391200,0ptp4l0-21swapper/610:09:006
111391200,0ptp4l0-21swapper/609:51:116
111391200,0ptp4l0-21swapper/512:12:045
111391200,0ptp4l0-21swapper/508:36:085
111391200,0ptp4l0-21swapper/407:46:464
111391200,0ptp4l0-21swapper/407:33:494
111391200,0ptp4l0-21swapper/407:27:114
111391200,0ptp4l0-21swapper/212:27:562
111391200,0ptp4l0-21swapper/211:13:482
111391200,0ptp4l0-21swapper/211:13:482
111391200,0ptp4l0-21swapper/210:42:492
111391200,0ptp4l0-21swapper/210:28:092
111391200,0ptp4l0-21swapper/209:43:552
111391200,0ptp4l0-21swapper/208:34:382
111391200,0ptp4l0-21swapper/208:34:382
111391200,0ptp4l0-21swapper/112:12:221
111391200,0ptp4l0-21swapper/111:11:411
111391200,0ptp4l0-21swapper/111:11:411
111391200,0ptp4l0-21swapper/110:11:271
111391200,0ptp4l0-21swapper/108:35:301
111391200,0ptp4l0-21swapper/107:57:361
111391200,0ptp4l0-21swapper/008:44:540
111391200,0ptp4l0-21swapper/007:31:290
111391190,0ptp4l0-21swapper/612:05:026
111391190,0ptp4l0-21swapper/611:13:496
111391190,0ptp4l0-21swapper/611:13:496
111391190,0ptp4l0-21swapper/610:42:386
111391190,0ptp4l0-21swapper/609:56:476
111391190,0ptp4l0-21swapper/608:28:376
111391190,0ptp4l0-21swapper/509:02:375
111391190,0ptp4l0-21swapper/508:26:385
111391190,0ptp4l0-21swapper/507:52:375
111391190,0ptp4l0-21swapper/409:06:504
111391190,0ptp4l0-21swapper/209:06:332
111391190,0ptp4l0-21swapper/208:45:082
111391190,0ptp4l0-21swapper/110:22:021
111391190,0ptp4l0-21swapper/109:04:511
111391190,0ptp4l0-21swapper/108:27:091
111391190,0ptp4l0-21swapper/108:19:081
111391190,0ptp4l0-21swapper/107:34:291
111391190,0ptp4l0-21swapper/107:21:371
111391190,0ptp4l0-21swapper/007:28:320
111391180,0ptp4l0-21swapper/612:27:506
111391180,0ptp4l0-21swapper/609:43:556
111391180,0ptp4l0-21swapper/609:11:306
111391180,0ptp4l0-21swapper/511:12:225
111391180,0ptp4l0-21swapper/511:12:215
111391180,0ptp4l0-21swapper/212:17:042
111391180,0ptp4l0-21swapper/210:49:212
111391180,0ptp4l0-21swapper/210:23:482
111391180,0ptp4l0-21swapper/007:37:510
111391170,0ptp4l3669-21diskmemload09:47:292
111391170,0ptp4l0-21swapper/611:09:396
111391170,0ptp4l0-21swapper/511:26:245
111391170,0ptp4l0-21swapper/212:04:452
111391170,0ptp4l0-21swapper/210:08:512
111391170,0ptp4l0-21swapper/209:56:432
111391170,0ptp4l0-21swapper/209:23:052
221892160,0sleep20-21swapper/209:35:002
111391160,0ptp4l0-21swapper/610:28:076
111391160,0ptp4l0-21swapper/607:54:226
111391160,0ptp4l0-21swapper/607:32:526
111391160,0ptp4l0-21swapper/507:21:505
111391160,0ptp4l0-21swapper/408:42:384
111391160,0ptp4l0-21swapper/308:40:323
111391160,0ptp4l0-21swapper/209:04:162
111391160,0ptp4l0-21swapper/107:48:041
111391160,0ptp4l0-21swapper/107:41:281
111391150,0ptp4l0-21swapper/612:10:306
111391150,0ptp4l0-21swapper/611:38:546
111391150,0ptp4l0-21swapper/611:16:066
111391150,0ptp4l0-21swapper/610:39:316
111391150,0ptp4l0-21swapper/609:09:546
111391150,0ptp4l0-21swapper/609:04:186
111391150,0ptp4l0-21swapper/608:58:266
111391150,0ptp4l0-21swapper/608:39:046
111391150,0ptp4l0-21swapper/608:34:386
111391150,0ptp4l0-21swapper/608:34:386
111391150,0ptp4l0-21swapper/608:14:116
111391150,0ptp4l0-21swapper/608:06:066
111391150,0ptp4l0-21swapper/607:21:106
111391150,0ptp4l0-21swapper/508:48:055
111391150,0ptp4l0-21swapper/508:12:255
111391150,0ptp4l0-21swapper/508:07:125
111391150,0ptp4l0-21swapper/507:46:215
111391150,0ptp4l0-21swapper/507:41:315
111391150,0ptp4l0-21swapper/507:32:245
111391150,0ptp4l0-21swapper/507:12:085
111391150,0ptp4l0-21swapper/307:42:503
111391150,0ptp4l0-21swapper/211:09:352
111391150,0ptp4l0-21swapper/209:17:322
111391150,0ptp4l0-21swapper/208:58:262
111391150,0ptp4l0-21swapper/208:28:362
111391150,0ptp4l0-21swapper/208:11:062
111391150,0ptp4l0-21swapper/207:31:132
111391150,0ptp4l0-21swapper/108:47:101
111391150,0ptp4l0-21swapper/108:12:091
111391140,0ptp4l0-21swapper/609:47:306
111391140,0ptp4l0-21swapper/608:45:076
111391140,0ptp4l0-21swapper/308:35:263
111391140,0ptp4l0-21swapper/211:38:522
111391140,0ptp4l0-21swapper/210:39:322
111391140,0ptp4l0-21swapper/208:38:032
111391140,0ptp4l0-21swapper/208:06:042
111391140,0ptp4l0-21swapper/207:53:232
111391140,0ptp4l0-21swapper/207:20:312
1294699119,1cyclictest0-21swapper/707:50:157
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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