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2026-04-27 - 17:09

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 Apr 27, 2026 12:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
50142680,0sleep30-21swapper/310:30:203
111391630,5ptp4l0-21swapper/207:07:482
294382610,0sleep10-21swapper/112:30:101
111391610,30ptp4l0-21swapper/007:08:550
1881915645,6phc2sys0-21swapper/107:06:051
170462550,0sleep50-21swapper/510:05:075
1555825534,16sleep70-21swapper/707:09:457
1548025240,7sleep40-21swapper/407:08:464
1544524939,6sleep50-21swapper/507:08:155
111391490,4ptp4l0-21swapper/607:08:336
1537024635,7sleep30-21swapper/307:07:173
1588599420,19cyclictest0-21swapper/507:22:035
1588599345,18cyclictest0-21swapper/507:32:335
111391340,7ptp4l31759-21sh11:06:003
111391340,7ptp4l31759-21sh11:06:003
111391340,0ptp4l0-21swapper/011:17:220
111391330,0ptp4l0-21swapper/412:26:474
111391330,0ptp4l0-21swapper/011:14:410
111391320,0ptp4l0-21swapper/410:01:584
111391320,0ptp4l0-21swapper/109:25:191
111391320,0ptp4l0-21swapper/107:20:191
111391310,0ptp4l0-21swapper/710:21:487
111391310,0ptp4l0-21swapper/509:38:315
111391310,0ptp4l0-21swapper/309:00:183
111391310,0ptp4l0-21swapper/109:35:351
111391310,0ptp4l0-21swapper/012:26:370
111391300,0ptp4l0-21swapper/711:05:157
111391300,0ptp4l0-21swapper/711:05:157
111391300,0ptp4l0-21swapper/709:56:537
111391300,0ptp4l0-21swapper/511:50:195
111391300,0ptp4l0-21swapper/511:17:345
111391300,0ptp4l0-21swapper/411:54:364
111391300,0ptp4l0-21swapper/410:54:564
111391300,0ptp4l0-21swapper/409:58:154
111391300,0ptp4l0-21swapper/110:10:111
111391300,0ptp4l0-21swapper/009:29:530
111391300,0ptp4l0-21swapper/009:18:010
111391290,0ptp4l0-21swapper/711:30:097
111391290,0ptp4l0-21swapper/412:39:064
111391290,0ptp4l0-21swapper/412:07:484
111391290,0ptp4l0-21swapper/410:55:074
111391290,0ptp4l0-21swapper/410:14:064
111391290,0ptp4l0-21swapper/409:19:424
111391290,0ptp4l0-21swapper/311:26:363
111391290,0ptp4l0-21swapper/308:15:153
111391290,0ptp4l0-21swapper/109:23:441
111391290,0ptp4l0-21swapper/011:55:170
111391290,0ptp4l0-21swapper/010:39:430
111391290,0ptp4l0-21swapper/007:55:150
1588599283,15cyclictest0-21swapper/507:59:505
111391280,3ptp4l0-21swapper/509:22:545
111391280,0ptp4l0-21swapper/612:15:166
111391280,0ptp4l0-21swapper/611:38:376
111391280,0ptp4l0-21swapper/511:47:375
111391280,0ptp4l0-21swapper/511:04:365
111391280,0ptp4l0-21swapper/412:24:354
111391280,0ptp4l0-21swapper/411:12:524
111391280,0ptp4l0-21swapper/410:25:504
111391280,0ptp4l0-21swapper/410:19:534
111391280,0ptp4l0-21swapper/112:28:501
111391280,0ptp4l0-21swapper/011:30:420
111391280,0ptp4l0-21swapper/010:58:430
111391280,0ptp4l0-21swapper/009:33:010
1588599274,13cyclictest0-21swapper/507:37:255
1588599270,22cyclictest0-21swapper/507:44:035
111391270,3ptp4l0-21swapper/512:14:555
111391270,2ptp4l0-21swapper/410:36:204
111391270,1ptp4l3732-21fw_forwarded_lo10:30:124
111391270,0ptp4l0-21swapper/709:15:177
111391270,0ptp4l0-21swapper/708:30:207
111391270,0ptp4l0-21swapper/511:25:175
111391270,0ptp4l0-21swapper/511:10:295
111391270,0ptp4l0-21swapper/508:27:065
111391270,0ptp4l0-21swapper/508:27:065
111391270,0ptp4l0-21swapper/507:19:415
111391270,0ptp4l0-21swapper/412:10:154
111391270,0ptp4l0-21swapper/112:14:281
111391270,0ptp4l0-21swapper/111:07:091
111391270,0ptp4l0-21swapper/111:07:091
111391270,0ptp4l0-21swapper/110:39:151
111391270,0ptp4l0-21swapper/012:21:340
111391270,0ptp4l0-21swapper/011:47:510
111391270,0ptp4l0-21swapper/010:01:550
111391270,0ptp4l0-21swapper/008:50:140
111391260,3ptp4l0-21swapper/509:34:115
111391260,2ptp4l0-21swapper/108:23:061
111391260,1ptp4l0-21swapper/111:59:101
111391260,0ptp4l0-21swapper/512:35:295
111391260,0ptp4l0-21swapper/511:20:125
111391260,0ptp4l0-21swapper/511:06:235
111391260,0ptp4l0-21swapper/511:06:235
111391260,0ptp4l0-21swapper/309:56:103
111391260,0ptp4l0-21swapper/111:36:421
111391260,0ptp4l0-21swapper/109:33:591
111391260,0ptp4l0-21swapper/012:02:110
111391260,0ptp4l0-21swapper/011:26:480
111391260,0ptp4l0-21swapper/011:02:300
111391260,0ptp4l0-21swapper/010:48:200
111391260,0ptp4l0-21swapper/010:33:510
111391260,0ptp4l0-21swapper/010:15:120
111391260,0ptp4l0-21swapper/010:10:150
111391260,0ptp4l0-21swapper/009:52:090
111391260,0ptp4l0-21swapper/009:45:070
111391260,0ptp4l0-21swapper/009:42:480
111391260,0ptp4l0-21swapper/009:20:040
1588599250,18cyclictest0-21swapper/507:46:275
111391250,3ptp4l0-21swapper/411:48:354
111391250,1ptp4l4241-21pgrep07:51:051
111391250,1ptp4l32069-21latency_hist08:55:011
111391250,0ptp4l0-21swapper/710:46:297
111391250,0ptp4l0-21swapper/709:14:137
111391250,0ptp4l0-21swapper/507:10:115
111391250,0ptp4l0-21swapper/411:40:544
111391250,0ptp4l0-21swapper/411:16:224
111391250,0ptp4l0-21swapper/411:04:094
111391250,0ptp4l0-21swapper/410:21:154
111391250,0ptp4l0-21swapper/409:28:174
111391250,0ptp4l0-21swapper/408:50:194
111391250,0ptp4l0-21swapper/111:25:191
111391250,0ptp4l0-21swapper/110:51:091
111391250,0ptp4l0-21swapper/110:20:001
111391250,0ptp4l0-21swapper/109:45:581
111391250,0ptp4l0-21swapper/108:05:131
111391250,0ptp4l0-21swapper/012:34:120
111391250,0ptp4l0-21swapper/012:06:230
111391250,0ptp4l0-21swapper/011:51:390
111391250,0ptp4l0-21swapper/009:39:560
111391250,0ptp4l0-21swapper/008:35:100
111391240,1ptp4l9287-21fw_forwarded_lo11:20:131
111391240,1ptp4l5579-21/usr/sbin/munin09:50:194
111391240,1ptp4l4707-21/usr/sbin/munin09:05:124
111391240,1ptp4l30911-21ps07:40:154
111391240,1ptp4l28653-21memory08:45:164
111391240,1ptp4l27925-21latency_hist07:35:000
111391240,1ptp4l25444-21munin-run07:30:001
111391240,1ptp4l20503-21sh11:35:144
111391240,1ptp4l14378-21df08:15:127
111391240,0ptp4l0-21swapper/710:15:427
111391240,0ptp4l0-21swapper/512:15:105
111391240,0ptp4l0-21swapper/509:25:115
111391240,0ptp4l0-21swapper/508:45:135
111391240,0ptp4l0-21swapper/507:50:125
111391240,0ptp4l0-21swapper/412:02:314
111391240,0ptp4l0-21swapper/409:42:454
111391240,0ptp4l0-21swapper/409:31:174
111391240,0ptp4l0-21swapper/409:11:444
111391240,0ptp4l0-21swapper/108:40:201
111391240,0ptp4l0-21swapper/108:20:001
111391240,0ptp4l0-21swapper/011:37:020
111391240,0ptp4l0-21swapper/010:40:220
111391240,0ptp4l0-21swapper/010:28:010
111391240,0ptp4l0-21swapper/010:23:010
111391240,0ptp4l0-21swapper/009:55:140
111391240,0ptp4l0-21swapper/009:05:140
111391230,1ptp4l5947-21ssh10:32:381
111391230,1ptp4l5744-21ssh11:58:446
111391230,1ptp4l31545-21grep11:50:121
111391230,1ptp4l19351-21irqstats08:25:174
111391230,1ptp4l19351-21irqstats08:25:164
111391230,1ptp4l18302-21ssh12:15:121
111391230,0ptp4l0-21swapper/712:39:487
111391230,0ptp4l0-21swapper/711:59:527
111391230,0ptp4l0-21swapper/711:26:267
111391230,0ptp4l0-21swapper/710:41:557
111391230,0ptp4l0-21swapper/609:32:456
111391230,0ptp4l0-21swapper/512:05:125
111391230,0ptp4l0-21swapper/512:00:205
111391230,0ptp4l0-21swapper/511:39:345
111391230,0ptp4l0-21swapper/511:34:265
111391230,0ptp4l0-21swapper/510:45:145
111391230,0ptp4l0-21swapper/510:39:125
111391230,0ptp4l0-21swapper/510:01:345
111391230,0ptp4l0-21swapper/509:48:145
111391230,0ptp4l0-21swapper/508:40:135
111391230,0ptp4l0-21swapper/507:25:135
111391230,0ptp4l0-21swapper/412:30:194
111391230,0ptp4l0-21swapper/412:15:204
111391230,0ptp4l0-21swapper/411:55:014
111391230,0ptp4l0-21swapper/410:45:584
111391230,0ptp4l0-21swapper/410:40:154
111391230,0ptp4l0-21swapper/410:05:174
111391230,0ptp4l0-21swapper/409:49:554
111391230,0ptp4l0-21swapper/409:35:134
111391230,0ptp4l0-21swapper/409:20:144
111391230,0ptp4l0-21swapper/408:35:194
111391230,0ptp4l0-21swapper/408:10:204
111391230,0ptp4l0-21swapper/408:00:154
111391230,0ptp4l0-21swapper/407:35:114
111391230,0ptp4l0-21swapper/407:15:014
111391230,0ptp4l0-21swapper/311:30:123
111391230,0ptp4l0-21swapper/310:42:213
111391230,0ptp4l0-21swapper/309:15:153
111391230,0ptp4l0-21swapper/309:13:353
111391230,0ptp4l0-21swapper/308:30:163
111391230,0ptp4l0-21swapper/209:26:582
111391230,0ptp4l0-21swapper/112:35:121
111391230,0ptp4l0-21swapper/112:05:551
111391230,0ptp4l0-21swapper/112:00:321
111391230,0ptp4l0-21swapper/111:47:301
111391230,0ptp4l0-21swapper/111:43:451
111391230,0ptp4l0-21swapper/111:17:451
111391230,0ptp4l0-21swapper/110:45:141
111391230,0ptp4l0-21swapper/109:40:191
111391230,0ptp4l0-21swapper/108:55:201
111391230,0ptp4l0-21swapper/108:45:191
111391230,0ptp4l0-21swapper/108:35:121
111391230,0ptp4l0-21swapper/107:45:151
111391230,0ptp4l0-21swapper/107:16:231
111391230,0ptp4l0-21swapper/012:18:000
111391230,0ptp4l0-21swapper/012:10:160
111391230,0ptp4l0-21swapper/010:50:120
111391230,0ptp4l0-21swapper/010:05:180
111391230,0ptp4l0-21swapper/009:10:150
111391230,0ptp4l0-21swapper/008:25:140
111391230,0ptp4l0-21swapper/008:25:140
111391230,0ptp4l0-21swapper/008:20:160
111391230,0ptp4l0-21swapper/008:10:130
111391230,0ptp4l0-21swapper/008:09:500
111391230,0ptp4l0-21swapper/008:00:140
111391230,0ptp4l0-21swapper/007:15:010
111391220,1ptp4l2007-21sh10:27:361
111391220,0ptp4l6615-21diskmemload09:10:131
111391220,0ptp4l0-21swapper/710:11:087
111391220,0ptp4l0-21swapper/709:00:197
111391220,0ptp4l0-21swapper/612:37:596
111391220,0ptp4l0-21swapper/612:05:026
111391220,0ptp4l0-21swapper/611:07:476
111391220,0ptp4l0-21swapper/611:07:476
111391220,0ptp4l0-21swapper/610:59:326
111391220,0ptp4l0-21swapper/610:32:236
111391220,0ptp4l0-21swapper/609:22:376
111391220,0ptp4l0-21swapper/512:22:555
111391220,0ptp4l0-21swapper/511:55:415
111391220,0ptp4l0-21swapper/511:40:025
111391220,0ptp4l0-21swapper/510:55:175
111391220,0ptp4l0-21swapper/510:43:515
111391220,0ptp4l0-21swapper/510:32:505
111391220,0ptp4l0-21swapper/510:26:205
111391220,0ptp4l0-21swapper/510:10:055
111391220,0ptp4l0-21swapper/508:55:145
111391220,0ptp4l0-21swapper/508:23:005
111391220,0ptp4l0-21swapper/508:05:125
111391220,0ptp4l0-21swapper/411:32:094
111391220,0ptp4l0-21swapper/411:27:214
111391220,0ptp4l0-21swapper/411:22:274
111391220,0ptp4l0-21swapper/411:08:064
111391220,0ptp4l0-21swapper/411:08:064
111391220,0ptp4l0-21swapper/409:00:124
111391220,0ptp4l0-21swapper/408:21:184
111391220,0ptp4l0-21swapper/407:30:124
111391220,0ptp4l0-21swapper/312:00:013
111391220,0ptp4l0-21swapper/310:46:303
111391220,0ptp4l0-21swapper/310:10:573
111391220,0ptp4l0-21swapper/308:30:003
111391220,0ptp4l0-21swapper/308:30:003
111391220,0ptp4l0-21swapper/211:07:452
111391220,0ptp4l0-21swapper/211:07:452
111391220,0ptp4l0-21swapper/211:01:492
111391220,0ptp4l0-21swapper/112:22:231
111391220,0ptp4l0-21swapper/111:34:221
111391220,0ptp4l0-21swapper/111:10:231
111391220,0ptp4l0-21swapper/111:04:541
111391220,0ptp4l0-21swapper/110:43:401
111391220,0ptp4l0-21swapper/110:07:561
111391220,0ptp4l0-21swapper/110:03:001
111391220,0ptp4l0-21swapper/109:59:351
111391220,0ptp4l0-21swapper/109:51:331
111391220,0ptp4l0-21swapper/107:55:141
111391220,0ptp4l0-21swapper/107:10:151
111391220,0ptp4l0-21swapper/012:35:180
111391220,0ptp4l0-21swapper/011:40:150
111391220,0ptp4l0-21swapper/011:20:240
111391220,0ptp4l0-21swapper/008:45:140
111391220,0ptp4l0-21swapper/007:45:170
111391220,0ptp4l0-21swapper/007:40:160
111391220,0ptp4l0-21swapper/007:35:120
111391220,0ptp4l0-21swapper/007:20:470
111391210,3ptp4l0-21swapper/408:05:464
111391210,0ptp4l0-21swapper/707:41:457
111391210,0ptp4l0-21swapper/612:32:496
111391210,0ptp4l0-21swapper/611:30:356
111391210,0ptp4l0-21swapper/609:17:456
111391210,0ptp4l0-21swapper/512:34:465
111391210,0ptp4l0-21swapper/510:20:065
111391210,0ptp4l0-21swapper/510:16:335
111391210,0ptp4l0-21swapper/509:59:145
111391210,0ptp4l0-21swapper/509:51:295
111391210,0ptp4l0-21swapper/509:42:095
111391210,0ptp4l0-21swapper/509:12:055
111391210,0ptp4l0-21swapper/508:39:235
111391210,0ptp4l0-21swapper/508:11:065
111391210,0ptp4l0-21swapper/408:56:064
111391210,0ptp4l0-21swapper/311:59:583
111391210,0ptp4l0-21swapper/311:04:563
111391210,0ptp4l0-21swapper/310:15:323
111391210,0ptp4l0-21swapper/212:38:052
111391210,0ptp4l0-21swapper/212:28:212
111391210,0ptp4l0-21swapper/211:38:242
111391210,0ptp4l0-21swapper/211:31:172
111391210,0ptp4l0-21swapper/210:25:532
111391210,0ptp4l0-21swapper/209:17:542
111391210,0ptp4l0-21swapper/110:20:131
111391210,0ptp4l0-21swapper/108:11:571
111391210,0ptp4l0-21swapper/107:41:201
111391210,0ptp4l0-21swapper/011:07:410
111391210,0ptp4l0-21swapper/011:07:410
111391210,0ptp4l0-21swapper/009:00:010
111391210,0ptp4l0-21swapper/008:59:450
111391210,0ptp4l0-21swapper/008:17:520
111391210,0ptp4l0-21swapper/007:11:040
111391200,0ptp4l0-21swapper/708:14:467
111391200,0ptp4l0-21swapper/611:01:526
111391200,0ptp4l0-21swapper/608:18:066
111391200,0ptp4l0-21swapper/607:36:466
111391200,0ptp4l0-21swapper/512:25:105
111391200,0ptp4l0-21swapper/510:51:065
111391200,0ptp4l0-21swapper/509:08:405
111391200,0ptp4l0-21swapper/508:52:195
111391200,0ptp4l0-21swapper/508:19:555
111391200,0ptp4l0-21swapper/508:04:465
111391200,0ptp4l0-21swapper/408:31:454
111391200,0ptp4l0-21swapper/407:20:584
111391200,0ptp4l0-21swapper/407:12:454
111391200,0ptp4l0-21swapper/312:39:283
111391200,0ptp4l0-21swapper/310:21:563
111391200,0ptp4l0-21swapper/212:23:312
111391200,0ptp4l0-21swapper/212:04:572
111391200,0ptp4l0-21swapper/211:12:052
111391200,0ptp4l0-21swapper/210:32:212
111391200,0ptp4l0-21swapper/210:00:012
111391200,0ptp4l0-21swapper/209:43:142
111391200,0ptp4l0-21swapper/209:32:442
111391200,0ptp4l0-21swapper/110:56:281
111391200,0ptp4l0-21swapper/109:07:451
111391200,0ptp4l0-21swapper/107:38:451
111391200,0ptp4l0-21swapper/007:29:050
111391190,0ptp4l0-21swapper/711:04:587
111391190,0ptp4l0-21swapper/612:28:226
111391190,0ptp4l0-21swapper/611:12:106
111391190,0ptp4l0-21swapper/407:46:414
111391190,0ptp4l0-21swapper/307:55:453
111391190,0ptp4l0-21swapper/307:43:043
111391190,0ptp4l0-21swapper/212:17:062
111391180,2ptp4l0-21swapper/607:21:366
111391180,0ptp4l0-21swapper/712:00:027
111391180,0ptp4l0-21swapper/612:23:326
111391180,0ptp4l0-21swapper/610:38:106
111391180,0ptp4l0-21swapper/408:16:214
111391180,0ptp4l0-21swapper/407:56:524
111391180,0ptp4l0-21swapper/211:58:382
111391180,0ptp4l0-21swapper/209:55:342
111391180,0ptp4l0-21swapper/109:16:231
111391180,0ptp4l0-21swapper/107:31:051
111391170,2ptp4l0-21swapper/008:31:450
111391170,0ptp4l0-21swapper/609:27:016
111391170,0ptp4l0-21swapper/508:33:045
111391170,0ptp4l0-21swapper/407:54:274
111391170,0ptp4l0-21swapper/308:14:093
111391170,0ptp4l0-21swapper/109:03:551
79012160,0sleep60-21swapper/612:00:196
135002160,0sleep30-21swapper/312:09:063
111391160,0ptp4l0-21swapper/607:30:226
111391160,0ptp4l0-21swapper/509:16:235
111391160,0ptp4l0-21swapper/408:43:564
111391160,0ptp4l0-21swapper/309:06:123
111391160,0ptp4l0-21swapper/210:45:562
111391160,0ptp4l0-21swapper/108:31:261
111391160,0ptp4l0-21swapper/108:28:171
111391160,0ptp4l0-21swapper/108:28:161
111391160,0ptp4l0-21swapper/108:02:041
111391160,0ptp4l0-21swapper/008:42:030
111391150,0ptp4l0-21swapper/709:05:517
111391150,0ptp4l0-21swapper/708:29:597
111391150,0ptp4l0-21swapper/708:29:597
111391150,0ptp4l0-21swapper/707:32:127
111391150,0ptp4l0-21swapper/609:55:346
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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