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2025-12-11 - 16:41

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 Thu Dec 11, 2025 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
177812610,0sleep70-21swapper/712:26:107
114091610,5ptp4l0-21swapper/207:06:282
114091580,5ptp4l0-21swapper/607:06:396
2120915735,6phc2sys0-21swapper/407:09:124
753125645,6sleep70-21swapper/707:08:517
761525544,6sleep30-21swapper/307:09:513
737925432,7sleep10-21swapper/107:06:531
727824736,7sleep00-21swapper/007:05:390
729124635,6sleep50-21swapper/507:05:445
114091350,0ptp4l0-21swapper/508:10:125
114091340,0ptp4l0-21swapper/110:25:201
114091330,0ptp4l0-21swapper/110:33:261
114091320,0ptp4l0-21swapper/209:49:442
114091320,0ptp4l0-21swapper/209:00:132
114091320,0ptp4l0-21swapper/209:00:132
114091320,0ptp4l0-21swapper/109:24:571
114091310,1ptp4l31098-21diskmemload11:10:161
114091310,0ptp4l0-21swapper/612:19:366
114091310,0ptp4l0-21swapper/212:05:162
114091300,0ptp4l0-21swapper/210:39:422
114091300,0ptp4l0-21swapper/209:25:442
114091290,2ptp4l0-21swapper/109:45:191
114091290,0ptp4l0-21swapper/711:09:437
114091290,0ptp4l0-21swapper/709:19:447
114091290,0ptp4l0-21swapper/211:41:302
114091290,0ptp4l0-21swapper/211:07:202
114091290,0ptp4l0-21swapper/210:49:082
114091290,0ptp4l0-21swapper/208:40:242
114091290,0ptp4l0-21swapper/109:17:191
114091290,0ptp4l0-21swapper/011:33:020
114091280,0ptp4l0-21swapper/709:22:397
114091280,0ptp4l0-21swapper/611:31:276
114091280,0ptp4l0-21swapper/609:49:026
114091280,0ptp4l0-21swapper/609:11:496
114091280,0ptp4l0-21swapper/607:45:136
114091280,0ptp4l0-21swapper/211:30:402
114091280,0ptp4l0-21swapper/211:23:312
114091280,0ptp4l0-21swapper/210:41:292
114091280,0ptp4l0-21swapper/210:10:142
114091280,0ptp4l0-21swapper/111:16:431
114091280,0ptp4l0-21swapper/010:32:180
114091270,0ptp4l31098-21diskmemload12:38:265
114091270,0ptp4l0-21swapper/612:28:446
114091270,0ptp4l0-21swapper/611:50:086
114091270,0ptp4l0-21swapper/611:47:376
114091270,0ptp4l0-21swapper/610:28:466
114091270,0ptp4l0-21swapper/610:21:066
114091270,0ptp4l0-21swapper/212:15:342
114091270,0ptp4l0-21swapper/211:54:542
114091270,0ptp4l0-21swapper/210:56:402
114091270,0ptp4l0-21swapper/209:58:212
114091270,0ptp4l0-21swapper/111:32:301
114091270,0ptp4l0-21swapper/110:54:021
114091270,0ptp4l0-21swapper/109:53:401
114091270,0ptp4l0-21swapper/109:33:121
114091270,0ptp4l0-21swapper/109:29:041
114091270,0ptp4l0-21swapper/108:54:551
114091260,1ptp4l0-21swapper/008:30:190
114091260,0ptp4l0-21swapper/610:43:546
114091260,0ptp4l0-21swapper/610:06:446
114091260,0ptp4l0-21swapper/608:00:126
114091260,0ptp4l0-21swapper/509:26:245
114091260,0ptp4l0-21swapper/409:42:124
114091260,0ptp4l0-21swapper/311:46:183
114091260,0ptp4l0-21swapper/212:35:082
114091260,0ptp4l0-21swapper/212:00:122
114091260,0ptp4l0-21swapper/211:55:172
114091260,0ptp4l0-21swapper/211:26:592
114091260,0ptp4l0-21swapper/210:20:232
114091260,0ptp4l0-21swapper/111:51:301
114091260,0ptp4l0-21swapper/110:11:271
114091260,0ptp4l0-21swapper/009:35:150
114091260,0ptp4l0-21swapper/009:34:520
114091260,0ptp4l0-21swapper/009:24:150
114091250,2ptp4l18451-21cpuspeed_turbos09:35:125
114091250,0ptp4l0-21swapper/612:30:046
114091250,0ptp4l0-21swapper/611:57:166
114091250,0ptp4l0-21swapper/611:00:136
114091250,0ptp4l0-21swapper/409:20:094
114091250,0ptp4l0-21swapper/309:16:323
114091250,0ptp4l0-21swapper/212:31:372
114091250,0ptp4l0-21swapper/212:20:152
114091250,0ptp4l0-21swapper/212:13:352
114091250,0ptp4l0-21swapper/211:38:322
114091250,0ptp4l0-21swapper/211:38:322
114091250,0ptp4l0-21swapper/210:17:422
114091250,0ptp4l0-21swapper/112:09:121
114091250,0ptp4l0-21swapper/111:42:121
114091250,0ptp4l0-21swapper/110:15:141
114091240,2ptp4l0-21swapper/611:18:056
114091240,2ptp4l0-21swapper/309:31:033
114091240,1ptp4l725-21systemd-logind09:45:000
114091240,1ptp4l32282-21smart_sda10:35:201
114091240,1ptp4l26833-21cat07:50:001
114091240,1ptp4l22249-21sed08:50:005
114091240,1ptp4l17363-21cat08:39:594
114091240,1ptp4l16733-21missed_timers12:25:204
114091240,1ptp4l12036-21if_virbr011:35:196
114091240,1ptp4l12036-21if_virbr011:35:196
114091240,0ptp4l14731-21df09:30:125
114091240,0ptp4l0-21swapper/711:45:187
114091240,0ptp4l0-21swapper/709:32:017
114091240,0ptp4l0-21swapper/612:10:536
114091240,0ptp4l0-21swapper/610:15:376
114091240,0ptp4l0-21swapper/609:39:106
114091240,0ptp4l0-21swapper/609:20:546
114091240,0ptp4l0-21swapper/511:10:155
114091240,0ptp4l0-21swapper/511:05:215
114091240,0ptp4l0-21swapper/510:35:215
114091240,0ptp4l0-21swapper/509:55:125
114091240,0ptp4l0-21swapper/509:13:495
114091240,0ptp4l0-21swapper/507:35:185
114091240,0ptp4l0-21swapper/507:30:185
114091240,0ptp4l0-21swapper/410:20:164
114091240,0ptp4l0-21swapper/211:47:332
114091240,0ptp4l0-21swapper/211:10:552
114091240,0ptp4l0-21swapper/210:05:392
114091240,0ptp4l0-21swapper/208:35:142
114091240,0ptp4l0-21swapper/112:25:021
114091240,0ptp4l0-21swapper/111:39:461
114091240,0ptp4l0-21swapper/111:39:451
114091240,0ptp4l0-21swapper/011:53:520
114091230,2ptp4l0-21swapper/109:03:511
114091230,2ptp4l0-21swapper/109:03:511
114091230,1ptp4l29637-21/usr/sbin/munin09:50:193
114091230,1ptp4l11484-21/usr/sbin/munin07:15:172
114091230,0ptp4l31015-21strings12:00:175
114091230,0ptp4l0-21swapper/710:00:007
114091230,0ptp4l0-21swapper/709:50:147
114091230,0ptp4l0-21swapper/612:20:166
114091230,0ptp4l0-21swapper/612:05:176
114091230,0ptp4l0-21swapper/612:00:136
114091230,0ptp4l0-21swapper/611:28:206
114091230,0ptp4l0-21swapper/611:24:166
114091230,0ptp4l0-21swapper/611:05:126
114091230,0ptp4l0-21swapper/610:55:326
114091230,0ptp4l0-21swapper/610:47:536
114091230,0ptp4l0-21swapper/610:35:336
114091230,0ptp4l0-21swapper/610:30:146
114091230,0ptp4l0-21swapper/609:40:186
114091230,0ptp4l0-21swapper/609:30:166
114091230,0ptp4l0-21swapper/609:18:046
114091230,0ptp4l0-21swapper/608:55:176
114091230,0ptp4l0-21swapper/608:55:176
114091230,0ptp4l0-21swapper/608:40:176
114091230,0ptp4l0-21swapper/608:35:176
114091230,0ptp4l0-21swapper/608:15:206
114091230,0ptp4l0-21swapper/607:50:136
114091230,0ptp4l0-21swapper/607:35:136
114091230,0ptp4l0-21swapper/607:25:206
114091230,0ptp4l0-21swapper/607:15:126
114091230,0ptp4l0-21swapper/607:10:136
114091230,0ptp4l0-21swapper/512:25:225
114091230,0ptp4l0-21swapper/511:40:145
114091230,0ptp4l0-21swapper/511:20:155
114091230,0ptp4l0-21swapper/510:59:125
114091230,0ptp4l0-21swapper/510:25:195
114091230,0ptp4l0-21swapper/510:15:125
114091230,0ptp4l0-21swapper/509:53:275
114091230,0ptp4l0-21swapper/509:20:165
114091230,0ptp4l0-21swapper/509:15:125
114091230,0ptp4l0-21swapper/509:05:125
114091230,0ptp4l0-21swapper/507:55:195
114091230,0ptp4l0-21swapper/412:00:164
114091230,0ptp4l0-21swapper/410:55:194
114091230,0ptp4l0-21swapper/410:25:174
114091230,0ptp4l0-21swapper/410:12:434
114091230,0ptp4l0-21swapper/409:30:194
114091230,0ptp4l0-21swapper/409:25:204
114091230,0ptp4l0-21swapper/408:50:204
114091230,0ptp4l0-21swapper/408:20:194
114091230,0ptp4l0-21swapper/408:05:114
114091230,0ptp4l0-21swapper/407:30:204
114091230,0ptp4l0-21swapper/310:18:513
114091230,0ptp4l0-21swapper/309:37:253
114091230,0ptp4l0-21swapper/210:53:282
114091230,0ptp4l0-21swapper/210:31:332
114091230,0ptp4l0-21swapper/209:10:212
114091230,0ptp4l0-21swapper/208:55:232
114091230,0ptp4l0-21swapper/208:55:232
114091230,0ptp4l0-21swapper/208:25:162
114091230,0ptp4l0-21swapper/208:20:122
114091230,0ptp4l0-21swapper/208:00:132
114091230,0ptp4l0-21swapper/207:51:072
114091230,0ptp4l0-21swapper/207:25:162
114091230,0ptp4l0-21swapper/207:10:142
114091230,0ptp4l0-21swapper/112:18:451
114091230,0ptp4l0-21swapper/111:20:151
114091230,0ptp4l0-21swapper/109:55:131
114091230,0ptp4l0-21swapper/109:35:121
114091230,0ptp4l0-21swapper/108:30:001
114091230,0ptp4l0-21swapper/108:10:191
114091230,0ptp4l0-21swapper/108:05:141
114091230,0ptp4l0-21swapper/108:02:371
114091230,0ptp4l0-21swapper/107:55:141
114091230,0ptp4l0-21swapper/107:30:161
114091230,0ptp4l0-21swapper/012:25:200
114091230,0ptp4l0-21swapper/011:10:140
114091230,0ptp4l0-21swapper/010:20:160
114091230,0ptp4l0-21swapper/009:28:480
114091230,0ptp4l0-21swapper/009:14:040
114091230,0ptp4l0-21swapper/008:05:180
114091230,0ptp4l0-21swapper/007:20:190
114091220,0ptp4l41-21ksoftirqd/312:28:143
114091220,0ptp4l0-21swapper/711:10:017
114091220,0ptp4l0-21swapper/710:55:127
114091220,0ptp4l0-21swapper/710:00:047
114091220,0ptp4l0-21swapper/709:14:147
114091220,0ptp4l0-21swapper/612:35:166
114091220,0ptp4l0-21swapper/611:41:406
114091220,0ptp4l0-21swapper/611:10:546
114091220,0ptp4l0-21swapper/610:53:426
114091220,0ptp4l0-21swapper/610:10:196
114091220,0ptp4l0-21swapper/610:03:256
114091220,0ptp4l0-21swapper/609:00:136
114091220,0ptp4l0-21swapper/609:00:136
114091220,0ptp4l0-21swapper/608:30:156
114091220,0ptp4l0-21swapper/608:25:176
114091220,0ptp4l0-21swapper/608:20:016
114091220,0ptp4l0-21swapper/607:42:386
114091220,0ptp4l0-21swapper/512:12:355
114091220,0ptp4l0-21swapper/512:05:505
114091220,0ptp4l0-21swapper/511:53:445
114091220,0ptp4l0-21swapper/511:36:305
114091220,0ptp4l0-21swapper/511:36:305
114091220,0ptp4l0-21swapper/511:32:545
114091220,0ptp4l0-21swapper/511:15:145
114091220,0ptp4l0-21swapper/510:50:115
114091220,0ptp4l0-21swapper/510:30:545
114091220,0ptp4l0-21swapper/510:10:315
114091220,0ptp4l0-21swapper/510:04:165
114091220,0ptp4l0-21swapper/509:45:165
114091220,0ptp4l0-21swapper/509:44:155
114091220,0ptp4l0-21swapper/508:50:175
114091220,0ptp4l0-21swapper/508:28:455
114091220,0ptp4l0-21swapper/508:10:005
114091220,0ptp4l0-21swapper/507:50:005
114091220,0ptp4l0-21swapper/507:40:165
114091220,0ptp4l0-21swapper/412:18:064
114091220,0ptp4l0-21swapper/412:13:064
114091220,0ptp4l0-21swapper/412:08:444
114091220,0ptp4l0-21swapper/411:57:544
114091220,0ptp4l0-21swapper/411:50:144
114091220,0ptp4l0-21swapper/411:40:504
114091220,0ptp4l0-21swapper/411:29:284
114091220,0ptp4l0-21swapper/411:14:404
114091220,0ptp4l0-21swapper/410:51:284
114091220,0ptp4l0-21swapper/410:31:114
114091220,0ptp4l0-21swapper/410:18:114
114091220,0ptp4l0-21swapper/410:01:204
114091220,0ptp4l0-21swapper/409:35:174
114091220,0ptp4l0-21swapper/409:15:164
114091220,0ptp4l0-21swapper/408:45:214
114091220,0ptp4l0-21swapper/408:30:214
114091220,0ptp4l0-21swapper/407:20:194
114091220,0ptp4l0-21swapper/311:08:473
114091220,0ptp4l0-21swapper/310:00:153
114091220,0ptp4l0-21swapper/309:08:493
114091220,0ptp4l0-21swapper/308:05:403
114091220,0ptp4l0-21swapper/308:04:163
114091220,0ptp4l0-21swapper/212:29:342
114091220,0ptp4l0-21swapper/211:18:472
114091220,0ptp4l0-21swapper/211:00:322
114091220,0ptp4l0-21swapper/210:28:202
114091220,0ptp4l0-21swapper/210:03:342
114091220,0ptp4l0-21swapper/209:40:142
114091220,0ptp4l0-21swapper/209:30:162
114091220,0ptp4l0-21swapper/209:20:572
114091220,0ptp4l0-21swapper/209:09:462
114091220,0ptp4l0-21swapper/208:46:082
114091220,0ptp4l0-21swapper/208:30:112
114091220,0ptp4l0-21swapper/208:15:172
114091220,0ptp4l0-21swapper/207:45:182
114091220,0ptp4l0-21swapper/112:00:181
114091220,0ptp4l0-21swapper/111:49:171
114091220,0ptp4l0-21swapper/110:55:171
114091220,0ptp4l0-21swapper/110:06:021
114091220,0ptp4l0-21swapper/109:43:021
114091220,0ptp4l0-21swapper/109:10:581
114091220,0ptp4l0-21swapper/109:05:161
114091220,0ptp4l0-21swapper/108:45:171
114091220,0ptp4l0-21swapper/108:17:361
114091220,0ptp4l0-21swapper/012:00:210
114091220,0ptp4l0-21swapper/011:44:020
114091220,0ptp4l0-21swapper/011:29:300
114091220,0ptp4l0-21swapper/011:20:120
114091220,0ptp4l0-21swapper/010:55:140
114091220,0ptp4l0-21swapper/010:55:010
114091220,0ptp4l0-21swapper/010:25:140
114091220,0ptp4l0-21swapper/010:18:120
114091220,0ptp4l0-21swapper/010:11:500
114091220,0ptp4l0-21swapper/009:50:000
114091220,0ptp4l0-21swapper/008:50:190
114091220,0ptp4l0-21swapper/007:36:370
114091220,0ptp4l0-21swapper/007:30:130
114091210,1ptp4l6791-21ssh11:28:455
114091210,1ptp4l19411-21rm11:01:121
114091210,0ptp4l0-21swapper/712:39:387
114091210,0ptp4l0-21swapper/710:24:407
114091210,0ptp4l0-21swapper/710:18:377
114091210,0ptp4l0-21swapper/709:27:087
114091210,0ptp4l0-21swapper/708:37:557
114091210,0ptp4l0-21swapper/708:05:297
114091210,0ptp4l0-21swapper/609:55:516
114091210,0ptp4l0-21swapper/609:25:316
114091210,0ptp4l0-21swapper/608:45:286
114091210,0ptp4l0-21swapper/608:13:506
114091210,0ptp4l0-21swapper/607:34:346
114091210,0ptp4l0-21swapper/607:20:156
114091210,0ptp4l0-21swapper/512:22:285
114091210,0ptp4l0-21swapper/511:58:035
114091210,0ptp4l0-21swapper/510:08:165
114091210,0ptp4l0-21swapper/508:40:455
114091210,0ptp4l0-21swapper/508:30:005
114091210,0ptp4l0-21swapper/508:00:445
114091210,0ptp4l0-21swapper/411:48:114
114091210,0ptp4l0-21swapper/411:32:444
114091210,0ptp4l0-21swapper/411:23:144
114091210,0ptp4l0-21swapper/411:05:354
114091210,0ptp4l0-21swapper/410:46:074
114091210,0ptp4l0-21swapper/410:06:244
114091210,0ptp4l0-21swapper/409:50:114
114091210,0ptp4l0-21swapper/409:13:464
114091210,0ptp4l0-21swapper/407:56:294
114091210,0ptp4l0-21swapper/407:54:294
114091210,0ptp4l0-21swapper/407:26:294
114091210,0ptp4l0-21swapper/312:39:583
114091210,0ptp4l0-21swapper/310:24:203
114091210,0ptp4l0-21swapper/309:27:093
114091210,0ptp4l0-21swapper/309:22:283
114091210,0ptp4l0-21swapper/309:14:433
114091210,0ptp4l0-21swapper/308:38:453
114091210,0ptp4l0-21swapper/209:39:082
114091210,0ptp4l0-21swapper/209:17:482
114091210,0ptp4l0-21swapper/207:20:122
114091210,0ptp4l0-21swapper/112:38:501
114091210,0ptp4l0-21swapper/112:21:341
114091210,0ptp4l0-21swapper/112:12:351
114091210,0ptp4l0-21swapper/111:58:271
114091210,0ptp4l0-21swapper/111:05:221
114091210,0ptp4l0-21swapper/110:46:161
114091210,0ptp4l0-21swapper/110:21:481
114091210,0ptp4l0-21swapper/110:00:541
114091210,0ptp4l0-21swapper/108:30:511
114091210,0ptp4l0-21swapper/108:20:441
114091210,0ptp4l0-21swapper/107:40:151
114091210,0ptp4l0-21swapper/107:35:181
114091210,0ptp4l0-21swapper/107:12:181
114091210,0ptp4l0-21swapper/012:24:460
114091210,0ptp4l0-21swapper/012:12:420
114091210,0ptp4l0-21swapper/012:09:100
114091210,0ptp4l0-21swapper/011:46:400
114091210,0ptp4l0-21swapper/011:16:380
114091210,0ptp4l0-21swapper/011:06:470
114091210,0ptp4l0-21swapper/010:41:530
114091210,0ptp4l0-21swapper/010:07:360
114091210,0ptp4l0-21swapper/009:55:010
114091210,0ptp4l0-21swapper/009:15:450
114091210,0ptp4l0-21swapper/008:20:200
259142200,1sleep341-21ksoftirqd/309:45:133
114091200,2ptp4l0-21swapper/207:36:242
114091200,0ptp4l0-21swapper/709:36:327
114091200,0ptp4l0-21swapper/608:08:446
114091200,0ptp4l0-21swapper/512:18:115
114091200,0ptp4l0-21swapper/511:48:405
114091200,0ptp4l0-21swapper/511:01:085
114091200,0ptp4l0-21swapper/510:46:015
114091200,0ptp4l0-21swapper/510:41:585
114091200,0ptp4l0-21swapper/510:22:195
114091200,0ptp4l0-21swapper/509:04:565
114091200,0ptp4l0-21swapper/509:04:555
114091200,0ptp4l0-21swapper/507:20:435
114091200,0ptp4l0-21swapper/507:11:525
114091200,0ptp4l0-21swapper/412:38:584
114091200,0ptp4l0-21swapper/412:22:164
114091200,0ptp4l0-21swapper/411:35:324
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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