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2026-03-30 - 17:12

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 Mon Mar 30, 2026 12:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,5ptp4l0-21swapper/507:07:325
111391630,5ptp4l0-21swapper/107:07:501
111391610,30ptp4l0-21swapper/007:08:230
111391590,5ptp4l0-21swapper/407:08:364
2706325747,6sleep20-21swapper/207:09:112
2705925735,7sleep70-21swapper/707:09:097
2685925432,7sleep60-21swapper/607:06:356
290052530,0sleep00-21swapper/010:55:120
2677224635,7sleep30-21swapper/307:05:283
111391330,0ptp4l0-21swapper/007:15:190
111391300,0ptp4l0-21swapper/412:10:004
111391300,0ptp4l0-21swapper/411:46:514
111391300,0ptp4l0-21swapper/008:55:140
111391290,0ptp4l0-21swapper/411:05:204
111391290,0ptp4l0-21swapper/410:43:444
111391290,0ptp4l0-21swapper/011:35:170
111391290,0ptp4l0-21swapper/009:33:010
111391290,0ptp4l0-21swapper/008:30:150
270602280,0sleep70-21swapper/710:05:217
111391280,1ptp4l2672-21ssh11:03:380
111391280,0ptp4l0-21swapper/412:27:574
111391280,0ptp4l0-21swapper/412:24:394
111391280,0ptp4l0-21swapper/411:57:074
111391280,0ptp4l0-21swapper/410:24:174
111391280,0ptp4l0-21swapper/409:31:424
111391280,0ptp4l0-21swapper/111:27:401
111391280,0ptp4l0-21swapper/111:06:411
111391280,0ptp4l0-21swapper/012:01:000
111391280,0ptp4l0-21swapper/011:47:520
111391280,0ptp4l0-21swapper/010:42:210
111391280,0ptp4l0-21swapper/010:33:130
111391280,0ptp4l0-21swapper/009:20:130
111391270,2ptp4l0-21swapper/012:19:420
111391270,1ptp4l0-21swapper/711:24:217
111391270,0ptp4l0-21swapper/411:31:344
111391270,0ptp4l0-21swapper/410:53:424
111391270,0ptp4l0-21swapper/410:49:074
111391270,0ptp4l0-21swapper/407:25:194
111391270,0ptp4l0-21swapper/111:55:141
111391270,0ptp4l0-21swapper/012:07:140
111391270,0ptp4l0-21swapper/011:30:200
111391270,0ptp4l0-21swapper/011:21:290
111391270,0ptp4l0-21swapper/010:02:020
111391270,0ptp4l0-21swapper/009:56:300
111391270,0ptp4l0-21swapper/009:11:070
111391260,3ptp4l0-21swapper/411:36:174
111391260,0ptp4l0-21swapper/610:33:536
111391260,0ptp4l0-21swapper/412:37:154
111391260,0ptp4l0-21swapper/411:51:264
111391260,0ptp4l0-21swapper/410:15:184
111391260,0ptp4l0-21swapper/409:25:394
111391260,0ptp4l0-21swapper/408:00:154
111391260,0ptp4l0-21swapper/112:39:201
111391260,0ptp4l0-21swapper/111:42:011
111391260,0ptp4l0-21swapper/111:42:001
111391260,0ptp4l0-21swapper/110:52:161
111391260,0ptp4l0-21swapper/110:04:441
111391260,0ptp4l0-21swapper/109:43:331
111391260,0ptp4l0-21swapper/012:33:410
111391260,0ptp4l0-21swapper/012:26:250
111391260,0ptp4l0-21swapper/010:36:130
111391260,0ptp4l0-21swapper/009:25:400
111391260,0ptp4l0-21swapper/008:05:130
111391250,2ptp4l121rcu_preempt09:41:480
111391250,1ptp4l12169-21memory09:45:180
111391250,0ptp4l0-21swapper/511:38:425
111391250,0ptp4l0-21swapper/510:45:195
111391250,0ptp4l0-21swapper/508:20:195
111391250,0ptp4l0-21swapper/411:17:184
111391250,0ptp4l0-21swapper/411:12:354
111391250,0ptp4l0-21swapper/410:40:004
111391250,0ptp4l0-21swapper/410:26:484
111391250,0ptp4l0-21swapper/409:14:344
111391250,0ptp4l0-21swapper/112:21:111
111391250,0ptp4l0-21swapper/111:30:501
111391250,0ptp4l0-21swapper/011:09:440
111391250,0ptp4l0-21swapper/009:51:100
111391250,0ptp4l0-21swapper/008:25:160
111391250,0ptp4l0-21swapper/007:45:130
111391250,0ptp4l0-21swapper/007:20:210
111391240,7ptp4l0-21swapper/408:54:164
111391240,1ptp4l4655-21sed11:50:220
111391240,1ptp4l25960-21smartctl08:15:120
111391240,1ptp4l23070-21latency09:15:155
111391240,1ptp4l2207-21cat08:35:005
111391240,1ptp4l18155-21diskmemload11:10:211
111391240,1ptp4l18155-21diskmemload09:15:414
111391240,1ptp4l17877-21irqstats12:10:170
111391240,1ptp4l12762-21swap08:55:204
111391240,0ptp4l0-21swapper/512:18:215
111391240,0ptp4l0-21swapper/512:06:505
111391240,0ptp4l0-21swapper/511:55:015
111391240,0ptp4l0-21swapper/511:28:305
111391240,0ptp4l0-21swapper/510:20:125
111391240,0ptp4l0-21swapper/509:43:485
111391240,0ptp4l0-21swapper/412:04:284
111391240,0ptp4l0-21swapper/411:41:084
111391240,0ptp4l0-21swapper/411:41:074
111391240,0ptp4l0-21swapper/411:01:494
111391240,0ptp4l0-21swapper/409:21:454
111391240,0ptp4l0-21swapper/409:05:204
111391240,0ptp4l0-21swapper/311:01:013
111391240,0ptp4l0-21swapper/212:10:052
111391240,0ptp4l0-21swapper/112:34:111
111391240,0ptp4l0-21swapper/110:45:111
111391240,0ptp4l0-21swapper/110:20:131
111391240,0ptp4l0-21swapper/107:35:141
111391240,0ptp4l0-21swapper/012:20:160
111391240,0ptp4l0-21swapper/011:18:520
111391240,0ptp4l0-21swapper/010:53:580
111391240,0ptp4l0-21swapper/010:18:040
111391240,0ptp4l0-21swapper/008:37:590
111391230,1ptp4l28494-21cut11:40:115
111391230,1ptp4l28494-21cut11:40:115
111391230,1ptp4l12046-21ps10:30:173
111391230,1ptp4l12041-21kernelversion09:45:174
111391230,0ptp4l18155-21diskmemload11:20:154
111391230,0ptp4l0-21swapper/711:25:117
111391230,0ptp4l0-21swapper/711:00:137
111391230,0ptp4l0-21swapper/710:30:127
111391230,0ptp4l0-21swapper/611:26:446
111391230,0ptp4l0-21swapper/609:35:206
111391230,0ptp4l0-21swapper/607:30:156
111391230,0ptp4l0-21swapper/512:35:165
111391230,0ptp4l0-21swapper/512:30:165
111391230,0ptp4l0-21swapper/512:25:215
111391230,0ptp4l0-21swapper/511:55:215
111391230,0ptp4l0-21swapper/510:50:175
111391230,0ptp4l0-21swapper/510:32:005
111391230,0ptp4l0-21swapper/510:10:125
111391230,0ptp4l0-21swapper/509:46:275
111391230,0ptp4l0-21swapper/509:24:485
111391230,0ptp4l0-21swapper/508:50:205
111391230,0ptp4l0-21swapper/507:35:135
111391230,0ptp4l0-21swapper/412:15:064
111391230,0ptp4l0-21swapper/410:55:124
111391230,0ptp4l0-21swapper/410:13:254
111391230,0ptp4l0-21swapper/409:55:184
111391230,0ptp4l0-21swapper/409:50:194
111391230,0ptp4l0-21swapper/409:37:144
111391230,0ptp4l0-21swapper/409:00:194
111391230,0ptp4l0-21swapper/409:00:184
111391230,0ptp4l0-21swapper/408:40:134
111391230,0ptp4l0-21swapper/408:35:204
111391230,0ptp4l0-21swapper/408:20:134
111391230,0ptp4l0-21swapper/408:10:174
111391230,0ptp4l0-21swapper/408:05:214
111391230,0ptp4l0-21swapper/407:59:594
111391230,0ptp4l0-21swapper/407:50:134
111391230,0ptp4l0-21swapper/407:45:164
111391230,0ptp4l0-21swapper/407:20:144
111391230,0ptp4l0-21swapper/407:14:214
111391230,0ptp4l0-21swapper/110:05:161
111391230,0ptp4l0-21swapper/109:30:131
111391230,0ptp4l0-21swapper/109:15:201
111391230,0ptp4l0-21swapper/109:10:291
111391230,0ptp4l0-21swapper/108:20:201
111391230,0ptp4l0-21swapper/010:27:160
111391230,0ptp4l0-21swapper/010:10:130
111391230,0ptp4l0-21swapper/009:00:150
111391230,0ptp4l0-21swapper/009:00:150
111391230,0ptp4l0-21swapper/008:40:100
111391230,0ptp4l0-21swapper/008:10:150
111391230,0ptp4l0-21swapper/008:00:190
111391230,0ptp4l0-21swapper/007:50:130
111391220,2ptp4l0-21swapper/111:45:011
111391220,1ptp4l0-21swapper/110:44:001
111391220,0ptp4l0-21swapper/710:57:017
111391220,0ptp4l0-21swapper/710:43:177
111391220,0ptp4l0-21swapper/709:25:207
111391220,0ptp4l0-21swapper/611:15:016
111391220,0ptp4l0-21swapper/611:05:126
111391220,0ptp4l0-21swapper/610:47:196
111391220,0ptp4l0-21swapper/609:54:196
111391220,0ptp4l0-21swapper/609:13:156
111391220,0ptp4l0-21swapper/512:20:185
111391220,0ptp4l0-21swapper/512:12:055
111391220,0ptp4l0-21swapper/511:30:145
111391220,0ptp4l0-21swapper/511:10:115
111391220,0ptp4l0-21swapper/511:07:105
111391220,0ptp4l0-21swapper/510:44:075
111391220,0ptp4l0-21swapper/510:25:165
111391220,0ptp4l0-21swapper/510:05:175
111391220,0ptp4l0-21swapper/510:02:535
111391220,0ptp4l0-21swapper/509:27:075
111391220,0ptp4l0-21swapper/509:00:135
111391220,0ptp4l0-21swapper/509:00:135
111391220,0ptp4l0-21swapper/508:35:185
111391220,0ptp4l0-21swapper/508:14:255
111391220,0ptp4l0-21swapper/507:40:135
111391220,0ptp4l0-21swapper/507:10:165
111391220,0ptp4l0-21swapper/412:32:354
111391220,0ptp4l0-21swapper/412:05:234
111391220,0ptp4l0-21swapper/411:29:464
111391220,0ptp4l0-21swapper/410:30:484
111391220,0ptp4l0-21swapper/410:06:164
111391220,0ptp4l0-21swapper/410:00:024
111391220,0ptp4l0-21swapper/409:40:144
111391220,0ptp4l0-21swapper/408:45:154
111391220,0ptp4l0-21swapper/408:30:214
111391220,0ptp4l0-21swapper/408:25:094
111391220,0ptp4l0-21swapper/408:15:124
111391220,0ptp4l0-21swapper/407:15:194
111391220,0ptp4l0-21swapper/311:25:173
111391220,0ptp4l0-21swapper/310:43:063
111391220,0ptp4l0-21swapper/310:29:533
111391220,0ptp4l0-21swapper/212:35:382
111391220,0ptp4l0-21swapper/211:37:582
111391220,0ptp4l0-21swapper/210:41:372
111391220,0ptp4l0-21swapper/209:35:112
111391220,0ptp4l0-21swapper/207:30:122
111391220,0ptp4l0-21swapper/112:25:191
111391220,0ptp4l0-21swapper/112:15:181
111391220,0ptp4l0-21swapper/112:13:201
111391220,0ptp4l0-21swapper/112:05:191
111391220,0ptp4l0-21swapper/112:01:431
111391220,0ptp4l0-21swapper/111:15:231
111391220,0ptp4l0-21swapper/110:55:041
111391220,0ptp4l0-21swapper/110:28:041
111391220,0ptp4l0-21swapper/110:12:341
111391220,0ptp4l0-21swapper/109:50:121
111391220,0ptp4l0-21swapper/109:39:361
111391220,0ptp4l0-21swapper/109:27:031
111391220,0ptp4l0-21swapper/108:50:151
111391220,0ptp4l0-21swapper/108:35:171
111391220,0ptp4l0-21swapper/108:18:021
111391220,0ptp4l0-21swapper/108:00:151
111391220,0ptp4l0-21swapper/107:55:201
111391220,0ptp4l0-21swapper/107:40:141
111391220,0ptp4l0-21swapper/107:10:131
111391220,0ptp4l0-21swapper/011:59:290
111391220,0ptp4l0-21swapper/011:42:180
111391220,0ptp4l0-21swapper/011:42:180
111391220,0ptp4l0-21swapper/011:25:190
111391220,0ptp4l0-21swapper/011:11:170
111391220,0ptp4l0-21swapper/010:47:500
111391220,0ptp4l0-21swapper/010:06:020
111391220,0ptp4l0-21swapper/009:35:350
111391220,0ptp4l0-21swapper/009:16:200
111391220,0ptp4l0-21swapper/009:09:480
111391220,0ptp4l0-21swapper/008:50:110
111391220,0ptp4l0-21swapper/008:45:120
111391220,0ptp4l0-21swapper/008:20:160
111391220,0ptp4l0-21swapper/007:35:200
111391220,0ptp4l0-21swapper/007:25:110
111391220,0ptp4l0-21swapper/007:10:190
111391210,3ptp4l241ktimersoftd/111:54:471
111391210,1ptp4l3377-21ssh10:19:385
111391210,1ptp4l15234-21ptp4l07:50:191
111391210,0ptp4l0-21swapper/711:48:317
111391210,0ptp4l0-21swapper/710:28:387
111391210,0ptp4l0-21swapper/612:35:396
111391210,0ptp4l0-21swapper/612:34:156
111391210,0ptp4l0-21swapper/612:21:276
111391210,0ptp4l0-21swapper/610:38:236
111391210,0ptp4l0-21swapper/610:11:556
111391210,0ptp4l0-21swapper/609:34:296
111391210,0ptp4l0-21swapper/609:06:286
111391210,0ptp4l0-21swapper/512:01:525
111391210,0ptp4l0-21swapper/511:45:035
111391210,0ptp4l0-21swapper/511:15:345
111391210,0ptp4l0-21swapper/510:58:545
111391210,0ptp4l0-21swapper/509:58:005
111391210,0ptp4l0-21swapper/509:37:585
111391210,0ptp4l0-21swapper/509:30:025
111391210,0ptp4l0-21swapper/508:56:365
111391210,0ptp4l0-21swapper/507:55:155
111391210,0ptp4l0-21swapper/507:29:005
111391210,0ptp4l0-21swapper/507:21:015
111391210,0ptp4l0-21swapper/407:38:154
111391210,0ptp4l0-21swapper/311:48:183
111391210,0ptp4l0-21swapper/310:56:453
111391210,0ptp4l0-21swapper/310:03:313
111391210,0ptp4l0-21swapper/212:22:172
111391210,0ptp4l0-21swapper/211:59:462
111391210,0ptp4l0-21swapper/211:48:412
111391210,0ptp4l0-21swapper/211:14:522
111391210,0ptp4l0-21swapper/211:02:572
111391210,0ptp4l0-21swapper/210:56:342
111391210,0ptp4l0-21swapper/210:15:372
111391210,0ptp4l0-21swapper/210:11:512
111391210,0ptp4l0-21swapper/210:02:202
111391210,0ptp4l0-21swapper/209:45:242
111391210,0ptp4l0-21swapper/209:29:222
111391210,0ptp4l0-21swapper/111:39:091
111391210,0ptp4l0-21swapper/111:04:041
111391210,0ptp4l0-21swapper/110:30:251
111391210,0ptp4l0-21swapper/110:19:311
111391210,0ptp4l0-21swapper/109:58:031
111391210,0ptp4l0-21swapper/109:46:291
111391210,0ptp4l0-21swapper/109:22:201
111391210,0ptp4l0-21swapper/109:00:121
111391210,0ptp4l0-21swapper/109:00:111
111391210,0ptp4l0-21swapper/108:46:281
111391210,0ptp4l0-21swapper/108:05:001
111391210,0ptp4l0-21swapper/107:22:331
111391210,0ptp4l0-21swapper/012:36:270
111391210,0ptp4l0-21swapper/010:21:390
111391200,0ptp4l0-21swapper/612:07:486
111391200,0ptp4l0-21swapper/611:59:506
111391200,0ptp4l0-21swapper/611:48:426
111391200,0ptp4l0-21swapper/611:41:366
111391200,0ptp4l0-21swapper/611:41:356
111391200,0ptp4l0-21swapper/611:38:016
111391200,0ptp4l0-21swapper/611:30:356
111391200,0ptp4l0-21swapper/610:15:356
111391200,0ptp4l0-21swapper/609:29:226
111391200,0ptp4l0-21swapper/608:26:016
111391200,0ptp4l0-21swapper/510:39:505
111391200,0ptp4l0-21swapper/509:51:565
111391200,0ptp4l0-21swapper/508:49:365
111391200,0ptp4l0-21swapper/508:18:375
111391200,0ptp4l0-21swapper/508:05:005
111391200,0ptp4l0-21swapper/407:43:014
111391200,0ptp4l0-21swapper/407:34:494
111391200,0ptp4l0-21swapper/311:24:113
111391200,0ptp4l0-21swapper/309:56:513
111391200,0ptp4l0-21swapper/309:25:213
111391200,0ptp4l0-21swapper/211:26:452
111391200,0ptp4l0-21swapper/211:16:242
111391200,0ptp4l0-21swapper/210:38:252
111391200,0ptp4l0-21swapper/210:33:452
111391200,0ptp4l0-21swapper/209:54:392
111391200,0ptp4l0-21swapper/209:31:122
111391200,0ptp4l0-21swapper/209:13:142
111391200,0ptp4l0-21swapper/207:46:442
111391200,0ptp4l0-21swapper/207:28:152
111391200,0ptp4l0-21swapper/108:57:021
111391200,0ptp4l0-21swapper/108:14:571
111391200,0ptp4l0-21swapper/007:34:330
111391190,0ptp4l0-21swapper/710:03:327
111391190,0ptp4l0-21swapper/709:57:077
111391190,0ptp4l0-21swapper/612:26:556
111391190,0ptp4l0-21swapper/610:41:406
111391190,0ptp4l0-21swapper/609:45:266
111391190,0ptp4l0-21swapper/511:04:185
111391190,0ptp4l0-21swapper/508:03:015
111391190,0ptp4l0-21swapper/507:51:335
111391190,0ptp4l0-21swapper/212:05:002
111391190,0ptp4l0-21swapper/211:33:562
111391190,0ptp4l0-21swapper/209:40:342
111391190,0ptp4l0-21swapper/110:39:461
111391190,0ptp4l0-21swapper/107:32:301
111391190,0ptp4l0-21swapper/007:41:010
27435991815,0cyclictest0-21swapper/608:53:376
111391180,0ptp4l0-21swapper/612:17:346
111391180,0ptp4l0-21swapper/509:10:435
111391180,0ptp4l0-21swapper/507:16:195
111391180,0ptp4l0-21swapper/212:34:152
111391180,0ptp4l0-21swapper/212:26:502
111391180,0ptp4l0-21swapper/212:07:402
111391180,0ptp4l0-21swapper/211:41:372
111391180,0ptp4l0-21swapper/211:41:372
111391180,0ptp4l0-21swapper/211:05:062
111391180,0ptp4l0-21swapper/210:47:182
111391180,0ptp4l0-21swapper/107:16:531
2744199170,15cyclictest6666-21turbostat11:10:007
111391170,2ptp4l0-21swapper/108:27:391
111391170,0ptp4l0-21swapper/612:00:576
111391170,0ptp4l0-21swapper/611:11:596
111391170,0ptp4l0-21swapper/107:45:421
111391170,0ptp4l0-21swapper/007:59:360
111391160,0ptp4l0-21swapper/610:02:236
111391160,0ptp4l0-21swapper/609:40:346
111391160,0ptp4l0-21swapper/208:25:572
111391160,0ptp4l0-21swapper/109:06:031
111391160,0ptp4l0-21swapper/108:34:151
111391160,0ptp4l0-21swapper/107:29:141
111391150,0ptp4l0-21swapper/708:30:377
111391150,0ptp4l0-21swapper/608:41:006
111391150,0ptp4l0-21swapper/608:15:526
111391150,0ptp4l0-21swapper/608:08:446
111391150,0ptp4l0-21swapper/607:59:526
111391150,0ptp4l0-21swapper/607:46:476
111391150,0ptp4l0-21swapper/607:42:416
111391150,0ptp4l0-21swapper/607:38:496
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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