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2026-06-27 - 17:41

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 Jun 27, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298982640,1sleep1241ktimersoftd/112:20:151
3162026251,7sleep70-21swapper/707:05:267
111391610,5ptp4l0-21swapper/107:09:041
1881916038,6phc2sys0-21swapper/407:07:434
154262590,0sleep125-21ksoftirqd/109:42:261
111391590,5ptp4l0-21swapper/507:06:225
111391590,28ptp4l0-21swapper/007:09:410
3195125040,6sleep20-21swapper/207:09:382
3187324837,6sleep60-21swapper/607:08:386
3166024534,7sleep30-21swapper/307:05:543
111391350,1ptp4l31835-21ssh09:20:174
111391350,0ptp4l0-21swapper/510:27:255
111391340,1ptp4l745-21gdbus12:40:000
111391340,1ptp4l23736-21diskstats09:10:144
111391340,1ptp4l23736-21diskstats09:10:144
111391340,0ptp4l0-21swapper/012:15:000
111391330,0ptp4l0-21swapper/011:25:200
111391330,0ptp4l0-21swapper/010:40:240
111391320,0ptp4l0-21swapper/410:13:244
111391320,0ptp4l0-21swapper/010:49:360
111391320,0ptp4l0-21swapper/009:48:520
111391320,0ptp4l0-21swapper/009:44:090
111391310,0ptp4l0-21swapper/610:04:176
111391310,0ptp4l0-21swapper/408:50:154
111391310,0ptp4l0-21swapper/012:27:590
111391310,0ptp4l0-21swapper/011:01:260
111391300,4ptp4l0-21swapper/408:55:214
111391300,0ptp4l0-21swapper/511:45:165
111391300,0ptp4l0-21swapper/510:10:195
111391300,0ptp4l0-21swapper/412:37:324
111391300,0ptp4l0-21swapper/410:42:474
111391300,0ptp4l0-21swapper/410:05:174
111391300,0ptp4l0-21swapper/010:20:180
111391290,4ptp4l0-21swapper/412:24:514
111391290,0ptp4l0-21swapper/509:27:235
111391290,0ptp4l0-21swapper/412:16:174
111391290,0ptp4l0-21swapper/410:52:424
111391290,0ptp4l0-21swapper/410:39:154
111391290,0ptp4l0-21swapper/409:41:034
111391280,3ptp4l0-21swapper/012:31:100
111391280,0ptp4l0-21swapper/409:30:224
111391280,0ptp4l0-21swapper/011:35:460
111391280,0ptp4l0-21swapper/011:14:070
111391280,0ptp4l0-21swapper/010:06:520
111391280,0ptp4l0-21swapper/009:36:520
111391280,0ptp4l0-21swapper/009:14:050
111391280,0ptp4l0-21swapper/009:14:040
111391270,3ptp4l101ktimersoftd/010:55:220
111391270,0ptp4l0-21swapper/412:31:024
111391270,0ptp4l0-21swapper/412:28:394
111391270,0ptp4l0-21swapper/411:57:474
111391270,0ptp4l0-21swapper/411:53:074
111391270,0ptp4l0-21swapper/411:53:074
111391270,0ptp4l0-21swapper/411:11:324
111391270,0ptp4l0-21swapper/410:30:134
111391270,0ptp4l0-21swapper/409:56:454
111391270,0ptp4l0-21swapper/409:37:444
111391270,0ptp4l0-21swapper/110:23:201
111391270,0ptp4l0-21swapper/109:50:161
111391270,0ptp4l0-21swapper/011:43:380
111391270,0ptp4l0-21swapper/011:30:150
111391270,0ptp4l0-21swapper/011:19:120
111391270,0ptp4l0-21swapper/010:30:550
111391260,0ptp4l0-21swapper/511:41:505
111391260,0ptp4l0-21swapper/412:02:114
111391260,0ptp4l0-21swapper/411:40:224
111391260,0ptp4l0-21swapper/411:27:064
111391260,0ptp4l0-21swapper/409:54:064
111391260,0ptp4l0-21swapper/409:29:214
111391260,0ptp4l0-21swapper/111:43:001
111391260,0ptp4l0-21swapper/109:32:571
111391260,0ptp4l0-21swapper/010:02:090
111391260,0ptp4l0-21swapper/009:59:020
111391260,0ptp4l0-21swapper/009:54:010
111391250,4ptp4l0-21swapper/010:36:570
111391250,0ptp4l23008-21diskmemload12:19:545
111391250,0ptp4l0-21swapper/712:35:207
111391250,0ptp4l0-21swapper/510:24:425
111391250,0ptp4l0-21swapper/508:35:205
111391250,0ptp4l0-21swapper/507:30:145
111391250,0ptp4l0-21swapper/410:26:094
111391250,0ptp4l0-21swapper/410:20:454
111391250,0ptp4l0-21swapper/410:16:144
111391250,0ptp4l0-21swapper/409:00:214
111391250,0ptp4l0-21swapper/408:48:574
111391250,0ptp4l0-21swapper/407:20:124
111391250,0ptp4l0-21swapper/111:55:451
111391250,0ptp4l0-21swapper/110:45:321
111391250,0ptp4l0-21swapper/012:22:140
111391250,0ptp4l0-21swapper/012:08:550
111391250,0ptp4l0-21swapper/011:24:500
111391250,0ptp4l0-21swapper/009:34:180
111391250,0ptp4l0-21swapper/009:20:440
111391250,0ptp4l0-21swapper/008:50:170
3227999242,0cyclictest0-21swapper/508:55:115
111391240,1ptp4l5593-21hddtemp_smartct07:20:130
111391240,1ptp4l4696-21latency_hist08:30:004
111391240,1ptp4l30867-21cpuspeed_turbos11:35:134
111391240,1ptp4l22071-21cat07:55:164
111391240,1ptp4l21998-21cat12:10:004
111391240,1ptp4l15431-21df12:00:130
111391240,0ptp4l23008-21diskmemload11:30:485
111391240,0ptp4l0-21swapper/511:53:455
111391240,0ptp4l0-21swapper/511:53:455
111391240,0ptp4l0-21swapper/510:33:005
111391240,0ptp4l0-21swapper/509:51:535
111391240,0ptp4l0-21swapper/508:05:125
111391240,0ptp4l0-21swapper/412:14:544
111391240,0ptp4l0-21swapper/411:49:244
111391240,0ptp4l0-21swapper/411:33:494
111391240,0ptp4l0-21swapper/409:45:174
111391240,0ptp4l0-21swapper/408:15:004
111391240,0ptp4l0-21swapper/407:45:154
111391240,0ptp4l0-21swapper/407:41:414
111391240,0ptp4l0-21swapper/111:48:271
111391240,0ptp4l0-21swapper/107:35:221
111391240,0ptp4l0-21swapper/012:16:370
111391240,0ptp4l0-21swapper/011:57:480
111391240,0ptp4l0-21swapper/010:15:200
111391240,0ptp4l0-21swapper/009:25:130
111391240,0ptp4l0-21swapper/009:15:420
111391240,0ptp4l0-21swapper/009:15:420
111391240,0ptp4l0-21swapper/008:55:200
111391240,0ptp4l0-21swapper/008:20:160
111391240,0ptp4l0-21swapper/008:15:150
111391240,0ptp4l0-21swapper/007:25:190
111391230,1ptp4l23008-21diskmemload10:26:141
111391230,1ptp4l14455-21/usr/sbin/munin07:40:120
111391230,1ptp4l1164-21/usr/sbin/munin07:10:211
111391230,0ptp4l5302-21cpuspeed_turbos08:30:144
111391230,0ptp4l0-21swapper/712:34:267
111391230,0ptp4l0-21swapper/711:37:077
111391230,0ptp4l0-21swapper/611:23:266
111391230,0ptp4l0-21swapper/511:05:145
111391230,0ptp4l0-21swapper/511:04:045
111391230,0ptp4l0-21swapper/507:50:125
111391230,0ptp4l0-21swapper/507:35:215
111391230,0ptp4l0-21swapper/507:15:145
111391230,0ptp4l0-21swapper/411:18:164
111391230,0ptp4l0-21swapper/411:05:224
111391230,0ptp4l0-21swapper/411:00:164
111391230,0ptp4l0-21swapper/410:55:174
111391230,0ptp4l0-21swapper/410:00:114
111391230,0ptp4l0-21swapper/409:15:154
111391230,0ptp4l0-21swapper/409:15:144
111391230,0ptp4l0-21swapper/409:08:224
111391230,0ptp4l0-21swapper/408:40:144
111391230,0ptp4l0-21swapper/408:20:124
111391230,0ptp4l0-21swapper/408:15:134
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/407:31:554
111391230,0ptp4l0-21swapper/407:25:154
111391230,0ptp4l0-21swapper/312:35:183
111391230,0ptp4l0-21swapper/209:10:472
111391230,0ptp4l0-21swapper/209:10:462
111391230,0ptp4l0-21swapper/110:35:201
111391230,0ptp4l0-21swapper/110:10:181
111391230,0ptp4l0-21swapper/110:00:241
111391230,0ptp4l0-21swapper/109:49:191
111391230,0ptp4l0-21swapper/109:05:001
111391230,0ptp4l0-21swapper/108:45:201
111391230,0ptp4l0-21swapper/108:35:171
111391230,0ptp4l0-21swapper/108:00:121
111391230,0ptp4l0-21swapper/107:30:121
111391230,0ptp4l0-21swapper/107:15:021
111391230,0ptp4l0-21swapper/011:51:030
111391230,0ptp4l0-21swapper/011:51:020
111391230,0ptp4l0-21swapper/010:14:300
111391230,0ptp4l0-21swapper/009:00:110
111391230,0ptp4l0-21swapper/008:45:170
111391230,0ptp4l0-21swapper/008:40:400
111391230,0ptp4l0-21swapper/008:30:200
111391230,0ptp4l0-21swapper/007:55:180
111391230,0ptp4l0-21swapper/007:50:030
111391230,0ptp4l0-21swapper/007:35:130
111391220,0ptp4l23008-21diskmemload10:17:405
111391220,0ptp4l0-21swapper/710:48:307
111391220,0ptp4l0-21swapper/612:30:416
111391220,0ptp4l0-21swapper/612:00:416
111391220,0ptp4l0-21swapper/512:35:365
111391220,0ptp4l0-21swapper/512:28:205
111391220,0ptp4l0-21swapper/512:07:235
111391220,0ptp4l0-21swapper/511:57:225
111391220,0ptp4l0-21swapper/510:55:205
111391220,0ptp4l0-21swapper/510:50:155
111391220,0ptp4l0-21swapper/510:49:315
111391220,0ptp4l0-21swapper/510:41:585
111391220,0ptp4l0-21swapper/510:05:015
111391220,0ptp4l0-21swapper/509:40:165
111391220,0ptp4l0-21swapper/509:35:085
111391220,0ptp4l0-21swapper/509:32:405
111391220,0ptp4l0-21swapper/509:05:185
111391220,0ptp4l0-21swapper/508:05:005
111391220,0ptp4l0-21swapper/507:10:165
111391220,0ptp4l0-21swapper/411:20:144
111391220,0ptp4l0-21swapper/410:45:114
111391220,0ptp4l0-21swapper/407:20:014
111391220,0ptp4l0-21swapper/310:48:463
111391220,0ptp4l0-21swapper/308:50:003
111391220,0ptp4l0-21swapper/209:58:222
111391220,0ptp4l0-21swapper/112:37:281
111391220,0ptp4l0-21swapper/112:26:381
111391220,0ptp4l0-21swapper/112:15:401
111391220,0ptp4l0-21swapper/112:07:251
111391220,0ptp4l0-21swapper/112:04:191
111391220,0ptp4l0-21swapper/111:51:341
111391220,0ptp4l0-21swapper/111:51:341
111391220,0ptp4l0-21swapper/111:30:501
111391220,0ptp4l0-21swapper/111:21:381
111391220,0ptp4l0-21swapper/111:05:001
111391220,0ptp4l0-21swapper/110:33:381
111391220,0ptp4l0-21swapper/110:18:271
111391220,0ptp4l0-21swapper/109:27:121
111391220,0ptp4l0-21swapper/109:17:591
111391220,0ptp4l0-21swapper/109:17:591
111391220,0ptp4l0-21swapper/109:05:141
111391220,0ptp4l0-21swapper/108:15:141
111391220,0ptp4l0-21swapper/108:05:171
111391220,0ptp4l0-21swapper/107:55:211
111391220,0ptp4l0-21swapper/107:50:141
111391220,0ptp4l0-21swapper/011:47:310
111391220,0ptp4l0-21swapper/011:05:210
111391220,0ptp4l0-21swapper/010:27:040
111391220,0ptp4l0-21swapper/008:25:140
111391220,0ptp4l0-21swapper/007:31:440
111391220,0ptp4l0-21swapper/007:19:420
111391210,2ptp4l0-21swapper/508:45:425
111391210,0ptp4l12327-21ssh11:07:093
111391210,0ptp4l0-21swapper/711:31:407
111391210,0ptp4l0-21swapper/711:07:107
111391210,0ptp4l0-21swapper/612:39:406
111391210,0ptp4l0-21swapper/611:55:326
111391210,0ptp4l0-21swapper/611:34:256
111391210,0ptp4l0-21swapper/511:27:085
111391210,0ptp4l0-21swapper/511:22:275
111391210,0ptp4l0-21swapper/511:19:465
111391210,0ptp4l0-21swapper/511:12:505
111391210,0ptp4l0-21swapper/510:37:365
111391210,0ptp4l0-21swapper/509:24:235
111391210,0ptp4l0-21swapper/509:18:165
111391210,0ptp4l0-21swapper/509:18:165
111391210,0ptp4l0-21swapper/509:11:005
111391210,0ptp4l0-21swapper/509:11:005
111391210,0ptp4l0-21swapper/408:00:204
111391210,0ptp4l0-21swapper/407:39:454
111391210,0ptp4l0-21swapper/312:34:213
111391210,0ptp4l0-21swapper/310:02:593
111391210,0ptp4l0-21swapper/212:00:402
111391210,0ptp4l0-21swapper/211:16:312
111391210,0ptp4l0-21swapper/211:06:202
111391210,0ptp4l0-21swapper/209:30:512
111391210,0ptp4l0-21swapper/111:16:121
111391210,0ptp4l0-21swapper/111:03:421
111391210,0ptp4l0-21swapper/110:59:001
111391210,0ptp4l0-21swapper/110:50:241
111391210,0ptp4l0-21swapper/110:40:521
111391210,0ptp4l0-21swapper/110:05:011
111391210,0ptp4l0-21swapper/109:35:061
111391210,0ptp4l0-21swapper/109:13:371
111391210,0ptp4l0-21swapper/109:13:371
111391210,0ptp4l0-21swapper/108:55:191
111391210,0ptp4l0-21swapper/010:50:050
111391210,0ptp4l0-21swapper/008:10:160
111391210,0ptp4l0-21swapper/008:06:110
111391210,0ptp4l0-21swapper/008:00:190
111391210,0ptp4l0-21swapper/007:45:190
3227999202,0cyclictest0-21swapper/508:51:375
111391200,0ptp4l0-21swapper/712:29:237
111391200,0ptp4l0-21swapper/611:36:246
111391200,0ptp4l0-21swapper/610:52:266
111391200,0ptp4l0-21swapper/609:43:176
111391200,0ptp4l0-21swapper/609:10:436
111391200,0ptp4l0-21swapper/609:10:436
111391200,0ptp4l0-21swapper/512:22:415
111391200,0ptp4l0-21swapper/512:13:495
111391200,0ptp4l0-21swapper/512:04:185
111391200,0ptp4l0-21swapper/511:38:145
111391200,0ptp4l0-21swapper/509:01:345
111391200,0ptp4l0-21swapper/507:58:365
111391200,0ptp4l0-21swapper/507:22:225
111391200,0ptp4l0-21swapper/408:37:364
111391200,0ptp4l0-21swapper/407:12:244
111391200,0ptp4l0-21swapper/312:29:243
111391200,0ptp4l0-21swapper/311:32:123
111391200,0ptp4l0-21swapper/212:39:362
111391200,0ptp4l0-21swapper/212:31:442
111391200,0ptp4l0-21swapper/210:52:182
111391200,0ptp4l0-21swapper/210:04:112
111391200,0ptp4l0-21swapper/112:32:331
111391200,0ptp4l0-21swapper/111:38:121
111391200,0ptp4l0-21swapper/109:21:241
111391200,0ptp4l0-21swapper/108:53:371
111391200,0ptp4l0-21swapper/009:07:240
111391200,0ptp4l0-21swapper/007:12:230
111391190,0ptp4l0-21swapper/611:06:216
111391190,0ptp4l0-21swapper/510:06:115
111391190,0ptp4l0-21swapper/508:11:365
111391190,0ptp4l0-21swapper/310:58:233
111391190,0ptp4l0-21swapper/211:55:062
111391190,0ptp4l0-21swapper/211:23:252
111391190,0ptp4l0-21swapper/209:16:442
111391190,0ptp4l0-21swapper/209:16:442
111391190,0ptp4l0-21swapper/112:12:171
111391190,0ptp4l0-21swapper/111:26:201
111391190,0ptp4l0-21swapper/111:12:411
111391190,0ptp4l0-21swapper/108:33:361
280342180,0sleep60-21swapper/610:45:116
111391180,0ptp4l0-21swapper/609:58:236
111391180,0ptp4l0-21swapper/509:55:345
111391180,0ptp4l0-21swapper/311:37:173
111391180,0ptp4l0-21swapper/209:43:172
111391180,0ptp4l0-21swapper/207:47:522
111391170,0ptp4l23008-21diskmemload09:16:426
111391170,0ptp4l23008-21diskmemload09:16:426
111391170,0ptp4l0-21swapper/708:31:017
111391170,0ptp4l0-21swapper/509:49:075
111391170,0ptp4l0-21swapper/211:36:292
111391170,0ptp4l0-21swapper/107:49:161
111391170,0ptp4l0-21swapper/107:26:511
111391170,0ptp4l0-21swapper/008:37:200
111391160,0ptp4l0-21swapper/708:50:017
111391160,0ptp4l0-21swapper/608:16:256
111391160,0ptp4l0-21swapper/508:40:585
111391160,0ptp4l0-21swapper/507:40:515
111391160,0ptp4l0-21swapper/211:30:292
111391160,0ptp4l0-21swapper/109:55:321
111391160,0ptp4l0-21swapper/108:42:041
111391160,0ptp4l0-21swapper/108:27:081
111391160,0ptp4l0-21swapper/108:24:131
111391160,0ptp4l0-21swapper/108:14:341
111391160,0ptp4l0-21swapper/107:40:241
111391160,0ptp4l0-21swapper/107:21:521
111391150,0ptp4l0-21swapper/709:08:037
111391150,0ptp4l0-21swapper/707:22:567
111391150,0ptp4l0-21swapper/611:16:306
111391150,0ptp4l0-21swapper/609:30:536
111391150,0ptp4l0-21swapper/608:52:066
111391150,0ptp4l0-21swapper/608:43:476
111391150,0ptp4l0-21swapper/608:25:326
111391150,0ptp4l0-21swapper/608:23:436
111391150,0ptp4l0-21swapper/607:47:546
111391150,0ptp4l0-21swapper/512:32:335
111391150,0ptp4l0-21swapper/508:32:445
111391150,0ptp4l0-21swapper/508:17:135
111391150,0ptp4l0-21swapper/507:49:175
111391150,0ptp4l0-21swapper/507:26:505
111391150,0ptp4l0-21swapper/408:06:124
111391150,0ptp4l0-21swapper/311:13:553
111391150,0ptp4l0-21swapper/309:08:003
111391150,0ptp4l0-21swapper/308:31:043
111391150,0ptp4l0-21swapper/307:22:483
111391150,0ptp4l0-21swapper/208:51:542
111391150,0ptp4l0-21swapper/208:25:282
111391150,0ptp4l0-21swapper/208:23:362
111391150,0ptp4l0-21swapper/207:11:332
111391140,0ptp4l0-21swapper/608:00:426
111391140,0ptp4l0-21swapper/607:18:236
111391140,0ptp4l0-21swapper/607:11:356
111391140,0ptp4l0-21swapper/508:27:095
111391140,0ptp4l0-21swapper/508:21:475
111391140,0ptp4l0-21swapper/210:28:462
111391140,0ptp4l0-21swapper/208:43:452
111391140,0ptp4l0-21swapper/208:16:162
111391140,0ptp4l0-21swapper/208:00:412
111391140,0ptp4l0-21swapper/207:55:432
111391140,0ptp4l0-21swapper/207:54:062
111391140,0ptp4l0-21swapper/207:18:232
3228699110,10cyclictest0-21swapper/611:45:326
3228699109,0cyclictest0-21swapper/610:30:066
3228699108,1cyclictest0-21swapper/611:50:106
3228699108,1cyclictest0-21swapper/611:50:106
3228699100,9cyclictest0-21swapper/610:11:526
3228699100,0cyclictest0-21swapper/612:18:236
3226599109,0cyclictest0-21swapper/309:27:243
3226599100,9cyclictest0-21swapper/309:45:093
3225799100,1cyclictest0-21swapper/207:25:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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