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2025-11-20 - 03:18

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 Wed Nov 19, 2025 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091640,32ptp4l0-21swapper/407:09:224
114091620,5ptp4l0-21swapper/607:07:416
99392600,2sleep01047799cyclictest10:45:130
1020525949,6sleep70-21swapper/707:09:577
92682570,0sleep40-21swapper/410:45:004
114091570,5ptp4l0-21swapper/207:06:232
230892560,1sleep449-21ksoftirqd/407:35:164
2120915633,7phc2sys0-21swapper/107:08:341
1003925633,7sleep00-21swapper/007:07:500
1015325343,6sleep30-21swapper/307:09:213
987424634,7sleep50-21swapper/507:05:465
191012420,0sleep70-21swapper/710:56:007
114091390,0ptp4l0-21swapper/208:10:172
114091370,1ptp4l25197-21df_inode09:40:146
114091360,0ptp4l0-21swapper/609:55:216
114091350,0ptp4l0-21swapper/212:25:162
114091350,0ptp4l0-21swapper/209:11:462
114091350,0ptp4l0-21swapper/209:11:462
114091340,4ptp4l0-21swapper/210:35:542
114091330,4ptp4l11509-21ssh09:21:026
114091330,0ptp4l0-21swapper/612:26:336
114091330,0ptp4l0-21swapper/612:22:306
114091330,0ptp4l0-21swapper/609:48:176
114091330,0ptp4l0-21swapper/211:09:532
114091330,0ptp4l0-21swapper/210:31:382
114091320,0ptp4l1313-21diskmemload12:08:206
114091320,0ptp4l0-21swapper/611:27:036
114091320,0ptp4l0-21swapper/611:10:266
114091320,0ptp4l0-21swapper/611:04:456
114091320,0ptp4l0-21swapper/610:50:146
114091320,0ptp4l0-21swapper/610:30:106
114091320,0ptp4l0-21swapper/609:27:326
114091320,0ptp4l0-21swapper/609:10:146
114091320,0ptp4l0-21swapper/609:10:136
114091320,0ptp4l0-21swapper/212:15:192
114091320,0ptp4l0-21swapper/011:51:370
114091310,3ptp4l0-21swapper/612:30:376
114091310,0ptp4l0-21swapper/610:40:416
114091310,0ptp4l0-21swapper/211:44:552
114091310,0ptp4l0-21swapper/211:34:172
114091310,0ptp4l0-21swapper/211:18:202
114091310,0ptp4l0-21swapper/210:50:272
114091310,0ptp4l0-21swapper/210:27:012
114091310,0ptp4l0-21swapper/207:22:442
114091300,4ptp4l0-21swapper/212:30:352
114091300,2ptp4l0-21swapper/211:36:552
114091300,0ptp4l0-21swapper/610:05:196
114091300,0ptp4l0-21swapper/212:22:532
114091300,0ptp4l0-21swapper/009:13:420
114091300,0ptp4l0-21swapper/009:13:420
114091290,2ptp4l0-21swapper/209:46:232
114091290,0ptp4l0-21swapper/611:39:566
114091290,0ptp4l0-21swapper/610:20:156
114091290,0ptp4l0-21swapper/212:03:402
114091290,0ptp4l0-21swapper/210:55:512
114091290,0ptp4l0-21swapper/210:00:302
114091290,0ptp4l0-21swapper/111:08:481
114091290,0ptp4l0-21swapper/007:51:220
114091280,2ptp4l0-21swapper/611:32:306
114091280,0ptp4l1313-21diskmemload10:14:212
114091280,0ptp4l0-21swapper/612:02:426
114091280,0ptp4l0-21swapper/611:42:256
114091280,0ptp4l0-21swapper/510:57:315
114091280,0ptp4l0-21swapper/510:40:215
114091280,0ptp4l0-21swapper/211:01:322
114091280,0ptp4l0-21swapper/209:53:592
114091280,0ptp4l0-21swapper/209:27:132
114091280,0ptp4l0-21swapper/208:38:232
114091280,0ptp4l0-21swapper/111:12:221
114091270,1ptp4l65-21ksoftirqd/608:10:216
114091270,0ptp4l0-21swapper/612:14:356
114091270,0ptp4l0-21swapper/611:54:526
114091270,0ptp4l0-21swapper/610:47:406
114091270,0ptp4l0-21swapper/610:12:376
114091270,0ptp4l0-21swapper/511:22:085
114091270,0ptp4l0-21swapper/211:26:372
114091270,0ptp4l0-21swapper/210:49:522
114091270,0ptp4l0-21swapper/210:19:042
114091270,0ptp4l0-21swapper/210:07:562
114091270,0ptp4l0-21swapper/207:54:342
114091270,0ptp4l0-21swapper/110:01:311
114091270,0ptp4l0-21swapper/109:28:191
114091270,0ptp4l0-21swapper/011:23:460
114091270,0ptp4l0-21swapper/011:05:110
114091260,0ptp4l0-21swapper/609:17:316
114091260,0ptp4l0-21swapper/510:05:005
114091260,0ptp4l0-21swapper/212:37:052
114091260,0ptp4l0-21swapper/212:13:342
114091260,0ptp4l0-21swapper/212:07:582
114091260,0ptp4l0-21swapper/209:17:292
114091260,0ptp4l0-21swapper/208:00:162
114091260,0ptp4l0-21swapper/207:10:132
114091260,0ptp4l0-21swapper/007:15:180
114091250,2ptp4l321ktimersoftd/209:32:212
114091250,1ptp4l8550-21sed10:00:170
114091250,1ptp4l25169-21fw_forwarded_lo08:50:131
114091250,1ptp4l20545-21crond11:00:003
114091250,0ptp4l0-21swapper/710:54:147
114091250,0ptp4l0-21swapper/612:36:036
114091250,0ptp4l0-21swapper/612:17:166
114091250,0ptp4l0-21swapper/611:59:196
114091250,0ptp4l0-21swapper/611:15:206
114091250,0ptp4l0-21swapper/611:07:466
114091250,0ptp4l0-21swapper/610:00:326
114091250,0ptp4l0-21swapper/609:00:206
114091250,0ptp4l0-21swapper/607:50:166
114091250,0ptp4l0-21swapper/607:39:146
114091250,0ptp4l0-21swapper/607:15:086
114091250,0ptp4l0-21swapper/511:05:505
114091250,0ptp4l0-21swapper/510:09:205
114091250,0ptp4l0-21swapper/509:28:395
114091250,0ptp4l0-21swapper/508:50:125
114091250,0ptp4l0-21swapper/410:07:374
114091250,0ptp4l0-21swapper/410:00:214
114091250,0ptp4l0-21swapper/409:55:004
114091250,0ptp4l0-21swapper/209:58:082
114091250,0ptp4l0-21swapper/209:20:172
114091250,0ptp4l0-21swapper/207:15:122
114091250,0ptp4l0-21swapper/010:23:030
114091240,4ptp4l0-21swapper/608:53:256
114091240,1ptp4l5701-21tr12:05:115
114091240,1ptp4l4119-21hddtemp_smartct11:20:166
114091240,1ptp4l26477-21timerwakeupswit07:40:214
114091240,1ptp4l21740-21ssh11:43:270
114091240,1ptp4l21404-21awk07:30:192
114091240,1ptp4l18810-21missed_timers08:35:171
114091240,1ptp4l11387-21/usr/sbin/munin08:20:142
114091240,1ptp4l10205-21irqrtprio10:45:154
114091240,0ptp4l0-21swapper/611:46:576
114091240,0ptp4l0-21swapper/611:46:566
114091240,0ptp4l0-21swapper/610:17:086
114091240,0ptp4l0-21swapper/609:52:316
114091240,0ptp4l0-21swapper/608:27:366
114091240,0ptp4l0-21swapper/608:05:176
114091240,0ptp4l0-21swapper/607:46:206
114091240,0ptp4l0-21swapper/511:00:235
114091240,0ptp4l0-21swapper/510:24:345
114091240,0ptp4l0-21swapper/509:41:575
114091240,0ptp4l0-21swapper/508:30:195
114091240,0ptp4l0-21swapper/508:25:125
114091240,0ptp4l0-21swapper/508:07:445
114091240,0ptp4l0-21swapper/407:25:204
114091240,0ptp4l0-21swapper/307:39:383
114091240,0ptp4l0-21swapper/211:23:442
114091240,0ptp4l0-21swapper/209:40:152
114091240,0ptp4l0-21swapper/209:10:002
114091240,0ptp4l0-21swapper/208:05:162
114091240,0ptp4l0-21swapper/108:30:221
114091240,0ptp4l0-21swapper/108:15:181
114091240,0ptp4l0-21swapper/010:13:110
114091240,0ptp4l0-21swapper/009:56:100
114091240,0ptp4l0-21swapper/008:15:010
114091230,3ptp4l321ktimersoftd/211:55:092
114091230,1ptp4l6009-21expr10:40:141
114091230,0ptp4l0-21swapper/711:23:037
114091230,0ptp4l0-21swapper/610:55:146
114091230,0ptp4l0-21swapper/610:37:196
114091230,0ptp4l0-21swapper/609:35:146
114091230,0ptp4l0-21swapper/609:30:196
114091230,0ptp4l0-21swapper/609:05:216
114091230,0ptp4l0-21swapper/608:55:226
114091230,0ptp4l0-21swapper/608:40:216
114091230,0ptp4l0-21swapper/608:38:026
114091230,0ptp4l0-21swapper/608:20:236
114091230,0ptp4l0-21swapper/608:00:166
114091230,0ptp4l0-21swapper/607:30:216
114091230,0ptp4l0-21swapper/607:24:286
114091230,0ptp4l0-21swapper/607:10:126
114091230,0ptp4l0-21swapper/510:36:175
114091230,0ptp4l0-21swapper/507:20:145
114091230,0ptp4l0-21swapper/411:55:224
114091230,0ptp4l0-21swapper/410:00:004
114091230,0ptp4l0-21swapper/409:05:164
114091230,0ptp4l0-21swapper/408:35:214
114091230,0ptp4l0-21swapper/407:15:154
114091230,0ptp4l0-21swapper/311:07:353
114091230,0ptp4l0-21swapper/310:55:003
114091230,0ptp4l0-21swapper/310:00:133
114091230,0ptp4l0-21swapper/211:50:162
114091230,0ptp4l0-21swapper/211:45:232
114091230,0ptp4l0-21swapper/211:45:222
114091230,0ptp4l0-21swapper/210:20:152
114091230,0ptp4l0-21swapper/209:40:002
114091230,0ptp4l0-21swapper/208:57:452
114091230,0ptp4l0-21swapper/208:45:162
114091230,0ptp4l0-21swapper/207:55:122
114091230,0ptp4l0-21swapper/207:35:212
114091230,0ptp4l0-21swapper/112:05:121
114091230,0ptp4l0-21swapper/111:00:161
114091230,0ptp4l0-21swapper/110:25:221
114091230,0ptp4l0-21swapper/108:25:161
114091230,0ptp4l0-21swapper/009:35:390
114091230,0ptp4l0-21swapper/007:40:130
114091230,0ptp4l0-21swapper/007:25:140
114091230,0ptp4l0-21swapper/007:20:130
114091220,1ptp4l1052699cyclictest11:39:037
114091220,0ptp4l0-21swapper/712:39:347
114091220,0ptp4l0-21swapper/711:12:357
114091220,0ptp4l0-21swapper/711:07:237
114091220,0ptp4l0-21swapper/711:00:147
114091220,0ptp4l0-21swapper/708:17:547
114091220,0ptp4l0-21swapper/610:25:006
114091220,0ptp4l0-21swapper/608:45:116
114091220,0ptp4l0-21swapper/607:55:156
114091220,0ptp4l0-21swapper/512:10:095
114091220,0ptp4l0-21swapper/512:04:485
114091220,0ptp4l0-21swapper/511:56:535
114091220,0ptp4l0-21swapper/511:49:235
114091220,0ptp4l0-21swapper/511:49:225
114091220,0ptp4l0-21swapper/511:43:545
114091220,0ptp4l0-21swapper/511:37:085
114091220,0ptp4l0-21swapper/511:30:125
114091220,0ptp4l0-21swapper/511:27:445
114091220,0ptp4l0-21swapper/510:45:115
114091220,0ptp4l0-21swapper/510:31:485
114091220,0ptp4l0-21swapper/510:25:235
114091220,0ptp4l0-21swapper/509:46:035
114091220,0ptp4l0-21swapper/509:30:435
114091220,0ptp4l0-21swapper/509:18:405
114091220,0ptp4l0-21swapper/508:35:155
114091220,0ptp4l0-21swapper/507:35:195
114091220,0ptp4l0-21swapper/507:29:285
114091220,0ptp4l0-21swapper/412:15:154
114091220,0ptp4l0-21swapper/411:30:554
114091220,0ptp4l0-21swapper/411:28:484
114091220,0ptp4l0-21swapper/411:21:504
114091220,0ptp4l0-21swapper/411:17:564
114091220,0ptp4l0-21swapper/410:55:464
114091220,0ptp4l0-21swapper/410:25:184
114091220,0ptp4l0-21swapper/410:24:254
114091220,0ptp4l0-21swapper/409:45:374
114091220,0ptp4l0-21swapper/409:35:424
114091220,0ptp4l0-21swapper/409:30:144
114091220,0ptp4l0-21swapper/409:22:064
114091220,0ptp4l0-21swapper/409:13:384
114091220,0ptp4l0-21swapper/409:13:374
114091220,0ptp4l0-21swapper/311:38:173
114091220,0ptp4l0-21swapper/311:12:443
114091220,0ptp4l0-21swapper/309:41:243
114091220,0ptp4l0-21swapper/308:34:343
114091220,0ptp4l0-21swapper/211:10:132
114091220,0ptp4l0-21swapper/210:42:142
114091220,0ptp4l0-21swapper/209:00:212
114091220,0ptp4l0-21swapper/208:50:182
114091220,0ptp4l0-21swapper/208:40:002
114091220,0ptp4l0-21swapper/208:27:312
114091220,0ptp4l0-21swapper/207:45:122
114091220,0ptp4l0-21swapper/112:10:001
114091220,0ptp4l0-21swapper/112:01:211
114091220,0ptp4l0-21swapper/111:44:031
114091220,0ptp4l0-21swapper/111:31:461
114091220,0ptp4l0-21swapper/111:22:521
114091220,0ptp4l0-21swapper/110:45:121
114091220,0ptp4l0-21swapper/110:05:011
114091220,0ptp4l0-21swapper/109:41:521
114091220,0ptp4l0-21swapper/108:20:191
114091220,0ptp4l0-21swapper/108:07:061
114091220,0ptp4l0-21swapper/108:03:111
114091220,0ptp4l0-21swapper/107:42:251
114091220,0ptp4l0-21swapper/107:35:181
114091220,0ptp4l0-21swapper/107:12:421
114091220,0ptp4l0-21swapper/011:45:440
114091220,0ptp4l0-21swapper/011:45:440
114091220,0ptp4l0-21swapper/011:34:050
114091220,0ptp4l0-21swapper/011:10:520
114091220,0ptp4l0-21swapper/010:25:160
114091220,0ptp4l0-21swapper/010:15:230
114091220,0ptp4l0-21swapper/010:05:230
114091220,0ptp4l0-21swapper/009:54:590
114091220,0ptp4l0-21swapper/009:40:500
114091220,0ptp4l0-21swapper/009:32:450
114091220,0ptp4l0-21swapper/009:05:120
114091220,0ptp4l0-21swapper/008:35:180
114091220,0ptp4l0-21swapper/008:25:200
114091220,0ptp4l0-21swapper/008:20:200
114091220,0ptp4l0-21swapper/007:57:230
114091220,0ptp4l0-21swapper/007:45:210
114091210,0ptp4l0-21swapper/710:00:127
114091210,0ptp4l0-21swapper/709:41:227
114091210,0ptp4l0-21swapper/608:16:476
114091210,0ptp4l0-21swapper/607:43:046
114091210,0ptp4l0-21swapper/607:28:346
114091210,0ptp4l0-21swapper/512:39:055
114091210,0ptp4l0-21swapper/511:15:445
114091210,0ptp4l0-21swapper/511:12:065
114091210,0ptp4l0-21swapper/510:14:085
114091210,0ptp4l0-21swapper/509:38:125
114091210,0ptp4l0-21swapper/509:04:075
114091210,0ptp4l0-21swapper/508:22:325
114091210,0ptp4l0-21swapper/507:52:185
114091210,0ptp4l0-21swapper/412:32:494
114091210,0ptp4l0-21swapper/411:53:004
114091210,0ptp4l0-21swapper/411:48:554
114091210,0ptp4l0-21swapper/411:48:544
114091210,0ptp4l0-21swapper/411:14:054
114091210,0ptp4l0-21swapper/411:08:154
114091210,0ptp4l0-21swapper/411:00:574
114091210,0ptp4l0-21swapper/410:36:004
114091210,0ptp4l0-21swapper/311:23:093
114091210,0ptp4l0-21swapper/311:00:023
114091210,0ptp4l0-21swapper/208:32:342
114091210,0ptp4l0-21swapper/111:57:101
114091210,0ptp4l0-21swapper/111:48:431
114091210,0ptp4l0-21swapper/111:48:421
114091210,0ptp4l0-21swapper/111:37:591
114091210,0ptp4l0-21swapper/111:27:471
114091210,0ptp4l0-21swapper/111:17:061
114091210,0ptp4l0-21swapper/110:21:181
114091210,0ptp4l0-21swapper/110:19:521
114091210,0ptp4l0-21swapper/109:46:091
114091210,0ptp4l0-21swapper/109:35:261
114091210,0ptp4l0-21swapper/109:30:401
114091210,0ptp4l0-21swapper/109:18:501
114091210,0ptp4l0-21swapper/107:53:051
114091210,0ptp4l0-21swapper/107:29:341
114091210,0ptp4l0-21swapper/012:34:160
114091210,0ptp4l0-21swapper/012:15:530
114091210,0ptp4l0-21swapper/012:14:260
114091210,0ptp4l0-21swapper/012:09:330
114091210,0ptp4l0-21swapper/011:57:180
114091210,0ptp4l0-21swapper/011:25:020
114091210,0ptp4l0-21swapper/011:18:580
114091210,0ptp4l0-21swapper/011:01:110
114091210,0ptp4l0-21swapper/010:55:130
114091210,0ptp4l0-21swapper/010:41:460
114091210,0ptp4l0-21swapper/010:31:440
114091210,0ptp4l0-21swapper/009:45:330
114091210,0ptp4l0-21swapper/009:25:420
114091210,0ptp4l0-21swapper/009:23:220
114091210,0ptp4l0-21swapper/008:45:240
114091210,0ptp4l0-21swapper/008:33:340
114091210,0ptp4l0-21swapper/007:11:340
1051199214,0cyclictest0-21swapper/507:46:385
114091200,0ptp4l0-21swapper/512:18:155
114091200,0ptp4l0-21swapper/510:19:385
114091200,0ptp4l0-21swapper/509:07:225
114091200,0ptp4l0-21swapper/508:49:555
114091200,0ptp4l0-21swapper/508:43:005
114091200,0ptp4l0-21swapper/508:15:225
114091200,0ptp4l0-21swapper/412:25:364
114091200,0ptp4l0-21swapper/412:11:434
114091200,0ptp4l0-21swapper/411:36:584
114091200,0ptp4l0-21swapper/410:34:154
114091200,0ptp4l0-21swapper/410:15:244
114091200,0ptp4l0-21swapper/410:14:474
114091200,0ptp4l0-21swapper/409:27:474
114091200,0ptp4l0-21swapper/409:18:564
114091200,0ptp4l0-21swapper/407:57:244
114091200,0ptp4l0-21swapper/112:20:081
114091200,0ptp4l0-21swapper/112:18:171
114091200,0ptp4l0-21swapper/110:57:281
114091200,0ptp4l0-21swapper/110:14:071
114091200,0ptp4l0-21swapper/109:56:161
114091200,0ptp4l0-21swapper/010:36:020
114091190,0ptp4l0-21swapper/411:43:274
114091190,0ptp4l0-21swapper/408:00:414
114091190,0ptp4l0-21swapper/207:44:342
114091190,0ptp4l0-21swapper/112:39:171
114091190,0ptp4l0-21swapper/110:36:251
114091190,0ptp4l0-21swapper/109:07:181
114091190,0ptp4l0-21swapper/012:25:320
114091190,0ptp4l0-21swapper/009:18:540
114091190,0ptp4l0-21swapper/008:54:120
114091190,0ptp4l0-21swapper/008:18:340
114091180,2ptp4l0-21swapper/009:01:230
114091180,0ptp4l1313-21diskmemload11:36:570
114091180,0ptp4l0-21swapper/512:20:065
114091180,0ptp4l0-21swapper/509:56:125
114091180,0ptp4l0-21swapper/312:39:373
114091180,0ptp4l0-21swapper/310:46:543
114091180,0ptp4l0-21swapper/308:59:133
114091180,0ptp4l0-21swapper/208:17:092
114091180,0ptp4l0-21swapper/107:20:141
114091180,0ptp4l0-21swapper/012:36:370
114091180,0ptp4l0-21swapper/012:00:260
114091180,0ptp4l0-21swapper/008:09:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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