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2025-12-26 - 22:22

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 Fri Dec 26, 2025 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391620,6ptp4l0-21swapper/007:05:360
139102580,0sleep50-21swapper/510:10:415
111391580,6ptp4l0-21swapper/107:08:211
324132570,0sleep50-21swapper/511:15:215
111391570,5ptp4l0-21swapper/407:06:444
527125433,6sleep50-21swapper/507:07:485
540425342,6sleep70-21swapper/707:09:277
518125039,7sleep60-21swapper/607:06:376
513125039,7sleep20-21swapper/207:06:012
532524735,7sleep30-21swapper/307:08:263
111391320,0ptp4l0-21swapper/512:21:415
111391320,0ptp4l0-21swapper/508:25:185
111391320,0ptp4l0-21swapper/011:41:550
111391320,0ptp4l0-21swapper/010:30:120
111391310,0ptp4l0-21swapper/511:50:265
111391310,0ptp4l0-21swapper/509:18:555
111391310,0ptp4l0-21swapper/111:05:101
111391310,0ptp4l0-21swapper/109:12:461
111391310,0ptp4l0-21swapper/011:20:160
111391310,0ptp4l0-21swapper/010:54:470
111391300,0ptp4l0-21swapper/509:14:395
111391300,0ptp4l0-21swapper/209:12:072
111391300,0ptp4l0-21swapper/109:55:321
111391300,0ptp4l0-21swapper/010:45:370
111391300,0ptp4l0-21swapper/010:24:180
111391300,0ptp4l0-21swapper/010:00:560
111391290,1ptp4l28815-21diskmemload12:12:095
111391290,0ptp4l0-21swapper/509:00:215
111391290,0ptp4l0-21swapper/112:31:501
111391290,0ptp4l0-21swapper/011:53:000
111391290,0ptp4l0-21swapper/009:41:550
111391290,0ptp4l0-21swapper/009:39:220
111391280,0ptp4l0-21swapper/612:21:206
111391280,0ptp4l0-21swapper/610:41:226
111391280,0ptp4l0-21swapper/510:22:505
111391280,0ptp4l0-21swapper/110:37:331
111391280,0ptp4l0-21swapper/012:19:560
111391280,0ptp4l0-21swapper/011:45:180
111391280,0ptp4l0-21swapper/011:28:240
111391280,0ptp4l0-21swapper/011:11:320
111391280,0ptp4l0-21swapper/007:45:170
111391270,3ptp4l561ktimersoftd/512:07:195
111391270,0ptp4l0-21swapper/712:36:227
111391270,0ptp4l0-21swapper/511:13:005
111391270,0ptp4l0-21swapper/510:47:135
111391270,0ptp4l0-21swapper/112:04:151
111391270,0ptp4l0-21swapper/112:04:151
111391270,0ptp4l0-21swapper/111:15:351
111391270,0ptp4l0-21swapper/107:20:181
111391270,0ptp4l0-21swapper/011:38:130
111391270,0ptp4l0-21swapper/010:12:350
111391270,0ptp4l0-21swapper/009:59:510
111391260,3ptp4l241ktimersoftd/112:09:161
111391260,1ptp4l12776-21latency_hist12:15:004
111391260,0ptp4l0-21swapper/610:31:186
111391260,0ptp4l0-21swapper/512:31:315
111391260,0ptp4l0-21swapper/511:49:365
111391260,0ptp4l0-21swapper/509:29:135
111391260,0ptp4l0-21swapper/410:20:174
111391260,0ptp4l0-21swapper/212:34:362
111391260,0ptp4l0-21swapper/111:13:181
111391260,0ptp4l0-21swapper/012:37:450
111391260,0ptp4l0-21swapper/012:25:160
111391260,0ptp4l0-21swapper/009:20:170
111391260,0ptp4l0-21swapper/009:20:170
111391260,0ptp4l0-21swapper/007:40:160
111391250,1ptp4l1687-21diskstats12:00:116
111391250,1ptp4l1687-21diskstats12:00:116
111391250,0ptp4l0-21swapper/709:12:277
111391250,0ptp4l0-21swapper/610:23:026
111391250,0ptp4l0-21swapper/511:24:255
111391250,0ptp4l0-21swapper/507:15:205
111391250,0ptp4l0-21swapper/411:25:204
111391250,0ptp4l0-21swapper/410:38:464
111391250,0ptp4l0-21swapper/409:55:154
111391250,0ptp4l0-21swapper/408:00:134
111391250,0ptp4l0-21swapper/112:21:511
111391250,0ptp4l0-21swapper/110:10:221
111391250,0ptp4l0-21swapper/109:28:031
111391250,0ptp4l0-21swapper/109:15:261
111391250,0ptp4l0-21swapper/011:00:050
111391250,0ptp4l0-21swapper/009:47:010
111391250,0ptp4l0-21swapper/009:25:130
111391240,3ptp4l0-21swapper/107:49:291
111391240,2ptp4l0-21swapper/611:19:046
111391240,1ptp4l3730-21diskstats10:40:134
111391240,1ptp4l32464-21ssh10:35:162
111391240,1ptp4l32296-21awk12:40:004
111391240,1ptp4l31540-21sed08:04:591
111391240,1ptp4l26557-21vmstat09:45:197
111391240,1ptp4l11756-21needreboot08:30:160
111391240,0ptp4l0-21swapper/707:53:377
111391240,0ptp4l0-21swapper/608:55:196
111391240,0ptp4l0-21swapper/511:26:165
111391240,0ptp4l0-21swapper/509:51:205
111391240,0ptp4l0-21swapper/509:43:285
111391240,0ptp4l0-21swapper/507:20:195
111391240,0ptp4l0-21swapper/412:09:204
111391240,0ptp4l0-21swapper/411:50:154
111391240,0ptp4l0-21swapper/411:08:454
111391240,0ptp4l0-21swapper/410:50:164
111391240,0ptp4l0-21swapper/408:20:154
111391240,0ptp4l0-21swapper/208:45:122
111391240,0ptp4l0-21swapper/208:39:572
111391240,0ptp4l0-21swapper/112:35:161
111391240,0ptp4l0-21swapper/111:48:171
111391240,0ptp4l0-21swapper/111:40:221
111391240,0ptp4l0-21swapper/111:20:201
111391240,0ptp4l0-21swapper/111:04:201
111391240,0ptp4l0-21swapper/109:53:241
111391240,0ptp4l0-21swapper/109:33:341
111391240,0ptp4l0-21swapper/109:00:171
111391240,0ptp4l0-21swapper/107:59:121
111391240,0ptp4l0-21swapper/012:23:570
111391240,0ptp4l0-21swapper/012:11:000
111391240,0ptp4l0-21swapper/012:09:180
111391240,0ptp4l0-21swapper/012:00:200
111391240,0ptp4l0-21swapper/012:00:200
111391240,0ptp4l0-21swapper/010:39:480
111391240,0ptp4l0-21swapper/007:56:370
111391240,0ptp4l0-21swapper/007:50:200
111391230,1ptp4l838-21sh11:59:440
111391230,1ptp4l25852-21missed_timers09:45:155
111391230,1ptp4l24189-21/usr/sbin/munin11:05:160
111391230,1ptp4l20523-21df07:40:114
111391230,1ptp4l19995-21ssh09:38:324
111391230,1ptp4l1068-21runrttasks11:44:004
111391230,0ptp4l0-21swapper/611:05:136
111391230,0ptp4l0-21swapper/609:27:206
111391230,0ptp4l0-21swapper/609:11:346
111391230,0ptp4l0-21swapper/607:40:006
111391230,0ptp4l0-21swapper/512:35:115
111391230,0ptp4l0-21swapper/512:01:405
111391230,0ptp4l0-21swapper/512:01:395
111391230,0ptp4l0-21swapper/511:35:025
111391230,0ptp4l0-21swapper/511:30:155
111391230,0ptp4l0-21swapper/511:01:425
111391230,0ptp4l0-21swapper/510:38:155
111391230,0ptp4l0-21swapper/510:08:265
111391230,0ptp4l0-21swapper/509:33:175
111391230,0ptp4l0-21swapper/508:16:435
111391230,0ptp4l0-21swapper/508:05:155
111391230,0ptp4l0-21swapper/507:31:035
111391230,0ptp4l0-21swapper/507:10:145
111391230,0ptp4l0-21swapper/412:30:144
111391230,0ptp4l0-21swapper/412:27:574
111391230,0ptp4l0-21swapper/412:15:114
111391230,0ptp4l0-21swapper/411:35:174
111391230,0ptp4l0-21swapper/411:31:354
111391230,0ptp4l0-21swapper/411:20:154
111391230,0ptp4l0-21swapper/411:00:134
111391230,0ptp4l0-21swapper/410:55:044
111391230,0ptp4l0-21swapper/410:25:154
111391230,0ptp4l0-21swapper/410:15:584
111391230,0ptp4l0-21swapper/410:05:124
111391230,0ptp4l0-21swapper/409:50:014
111391230,0ptp4l0-21swapper/409:30:174
111391230,0ptp4l0-21swapper/409:25:134
111391230,0ptp4l0-21swapper/409:20:184
111391230,0ptp4l0-21swapper/409:20:184
111391230,0ptp4l0-21swapper/408:15:214
111391230,0ptp4l0-21swapper/408:10:144
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/309:12:163
111391230,0ptp4l0-21swapper/212:00:122
111391230,0ptp4l0-21swapper/212:00:122
111391230,0ptp4l0-21swapper/210:56:042
111391230,0ptp4l0-21swapper/210:11:112
111391230,0ptp4l0-21swapper/111:55:201
111391230,0ptp4l0-21swapper/110:57:261
111391230,0ptp4l0-21swapper/110:31:441
111391230,0ptp4l0-21swapper/109:45:001
111391230,0ptp4l0-21swapper/108:30:111
111391230,0ptp4l0-21swapper/108:05:191
111391230,0ptp4l0-21swapper/107:35:151
111391230,0ptp4l0-21swapper/107:20:011
111391230,0ptp4l0-21swapper/012:33:010
111391230,0ptp4l0-21swapper/010:55:120
111391230,0ptp4l0-21swapper/010:40:140
111391230,0ptp4l0-21swapper/010:18:130
111391230,0ptp4l0-21swapper/009:50:160
111391230,0ptp4l0-21swapper/009:30:100
111391230,0ptp4l0-21swapper/009:12:360
111391230,0ptp4l0-21swapper/008:53:310
111391230,0ptp4l0-21swapper/008:15:420
111391230,0ptp4l0-21swapper/008:11:540
111391230,0ptp4l0-21swapper/008:09:590
111391220,0ptp4l0-21swapper/712:25:387
111391220,0ptp4l0-21swapper/709:54:067
111391220,0ptp4l0-21swapper/709:02:177
111391220,0ptp4l0-21swapper/708:35:137
111391220,0ptp4l0-21swapper/612:29:226
111391220,0ptp4l0-21swapper/611:39:446
111391220,0ptp4l0-21swapper/611:31:596
111391220,0ptp4l0-21swapper/611:27:416
111391220,0ptp4l0-21swapper/611:10:266
111391220,0ptp4l0-21swapper/610:48:326
111391220,0ptp4l0-21swapper/609:35:156
111391220,0ptp4l0-21swapper/608:10:256
111391220,0ptp4l0-21swapper/512:28:015
111391220,0ptp4l0-21swapper/512:16:205
111391220,0ptp4l0-21swapper/511:55:155
111391220,0ptp4l0-21swapper/511:40:205
111391220,0ptp4l0-21swapper/511:07:525
111391220,0ptp4l0-21swapper/510:42:515
111391220,0ptp4l0-21swapper/510:31:495
111391220,0ptp4l0-21swapper/510:27:265
111391220,0ptp4l0-21swapper/510:17:095
111391220,0ptp4l0-21swapper/510:00:145
111391220,0ptp4l0-21swapper/509:56:195
111391220,0ptp4l0-21swapper/509:24:535
111391220,0ptp4l0-21swapper/509:24:535
111391220,0ptp4l0-21swapper/508:30:115
111391220,0ptp4l0-21swapper/508:01:125
111391220,0ptp4l0-21swapper/507:55:135
111391220,0ptp4l0-21swapper/507:35:165
111391220,0ptp4l0-21swapper/507:25:135
111391220,0ptp4l0-21swapper/412:20:114
111391220,0ptp4l0-21swapper/412:02:404
111391220,0ptp4l0-21swapper/412:02:404
111391220,0ptp4l0-21swapper/411:56:304
111391220,0ptp4l0-21swapper/411:45:174
111391220,0ptp4l0-21swapper/411:18:454
111391220,0ptp4l0-21swapper/411:10:164
111391220,0ptp4l0-21swapper/410:45:024
111391220,0ptp4l0-21swapper/410:30:134
111391220,0ptp4l0-21swapper/410:10:154
111391220,0ptp4l0-21swapper/409:50:184
111391220,0ptp4l0-21swapper/409:40:134
111391220,0ptp4l0-21swapper/409:16:264
111391220,0ptp4l0-21swapper/409:10:104
111391220,0ptp4l0-21swapper/409:05:164
111391220,0ptp4l0-21swapper/408:55:154
111391220,0ptp4l0-21swapper/408:50:014
111391220,0ptp4l0-21swapper/408:30:134
111391220,0ptp4l0-21swapper/408:25:144
111391220,0ptp4l0-21swapper/407:45:154
111391220,0ptp4l0-21swapper/407:15:134
111391220,0ptp4l0-21swapper/312:36:203
111391220,0ptp4l0-21swapper/312:25:433
111391220,0ptp4l0-21swapper/308:35:133
111391220,0ptp4l0-21swapper/212:21:102
111391220,0ptp4l0-21swapper/211:39:432
111391220,0ptp4l0-21swapper/211:31:562
111391220,0ptp4l0-21swapper/211:29:372
111391220,0ptp4l0-21swapper/211:19:162
111391220,0ptp4l0-21swapper/211:10:232
111391220,0ptp4l0-21swapper/211:08:262
111391220,0ptp4l0-21swapper/210:45:412
111391220,0ptp4l0-21swapper/210:44:302
111391220,0ptp4l0-21swapper/210:15:122
111391220,0ptp4l0-21swapper/209:35:172
111391220,0ptp4l0-21swapper/209:21:052
111391220,0ptp4l0-21swapper/209:21:052
111391220,0ptp4l0-21swapper/208:55:192
111391220,0ptp4l0-21swapper/112:26:541
111391220,0ptp4l0-21swapper/112:17:351
111391220,0ptp4l0-21swapper/112:12:551
111391220,0ptp4l0-21swapper/111:52:541
111391220,0ptp4l0-21swapper/111:35:041
111391220,0ptp4l0-21swapper/111:31:241
111391220,0ptp4l0-21swapper/111:27:271
111391220,0ptp4l0-21swapper/110:53:221
111391220,0ptp4l0-21swapper/110:47:111
111391220,0ptp4l0-21swapper/110:42:311
111391220,0ptp4l0-21swapper/110:07:551
111391220,0ptp4l0-21swapper/110:00:121
111391220,0ptp4l0-21swapper/109:45:131
111391220,0ptp4l0-21swapper/109:22:091
111391220,0ptp4l0-21swapper/109:22:091
111391220,0ptp4l0-21swapper/108:25:011
111391220,0ptp4l0-21swapper/108:18:211
111391220,0ptp4l0-21swapper/107:25:131
111391220,0ptp4l0-21swapper/107:10:111
111391220,0ptp4l0-21swapper/011:31:260
111391220,0ptp4l0-21swapper/011:16:340
111391220,0ptp4l0-21swapper/010:25:190
111391220,0ptp4l0-21swapper/010:05:140
111391220,0ptp4l0-21swapper/009:16:030
111391220,0ptp4l0-21swapper/009:05:130
111391220,0ptp4l0-21swapper/008:56:110
111391220,0ptp4l0-21swapper/008:45:100
111391220,0ptp4l0-21swapper/008:40:170
111391220,0ptp4l0-21swapper/008:25:140
111391220,0ptp4l0-21swapper/008:23:200
111391220,0ptp4l0-21swapper/008:00:160
111391210,1ptp4l0-21swapper/608:24:396
111391210,0ptp4l0-21swapper/708:35:007
111391210,0ptp4l0-21swapper/707:25:437
111391210,0ptp4l0-21swapper/612:36:146
111391210,0ptp4l0-21swapper/612:34:056
111391210,0ptp4l0-21swapper/611:02:436
111391210,0ptp4l0-21swapper/610:51:366
111391210,0ptp4l0-21swapper/610:35:156
111391210,0ptp4l0-21swapper/610:12:576
111391210,0ptp4l0-21swapper/610:07:236
111391210,0ptp4l0-21swapper/609:47:596
111391210,0ptp4l0-21swapper/609:20:046
111391210,0ptp4l0-21swapper/609:20:046
111391210,0ptp4l0-21swapper/510:55:345
111391210,0ptp4l0-21swapper/510:51:035
111391210,0ptp4l0-21swapper/509:39:515
111391210,0ptp4l0-21swapper/507:44:315
111391210,0ptp4l0-21swapper/410:00:274
111391210,0ptp4l0-21swapper/407:33:234
111391210,0ptp4l0-21swapper/309:54:133
111391210,0ptp4l0-21swapper/212:29:162
111391210,0ptp4l0-21swapper/212:15:222
111391210,0ptp4l0-21swapper/212:10:012
111391210,0ptp4l0-21swapper/211:02:372
111391210,0ptp4l0-21swapper/210:51:472
111391210,0ptp4l0-21swapper/210:30:502
111391210,0ptp4l0-21swapper/209:29:202
111391210,0ptp4l0-21swapper/110:26:511
111391210,0ptp4l0-21swapper/110:20:041
111391210,0ptp4l0-21swapper/110:15:161
111391210,0ptp4l0-21swapper/109:36:011
111391210,0ptp4l0-21swapper/108:45:171
111391210,0ptp4l0-21swapper/108:44:211
111391210,0ptp4l0-21swapper/108:20:241
111391210,0ptp4l0-21swapper/107:30:131
111391210,0ptp4l0-21swapper/009:00:120
111391200,0ptp4l0-21swapper/611:49:576
111391200,0ptp4l0-21swapper/611:20:016
111391200,0ptp4l0-21swapper/508:45:155
111391200,0ptp4l0-21swapper/508:21:195
111391200,0ptp4l0-21swapper/409:00:004
111391200,0ptp4l0-21swapper/408:40:004
111391200,0ptp4l0-21swapper/407:56:244
111391200,0ptp4l0-21swapper/407:14:054
111391200,0ptp4l0-21swapper/309:07:253
111391200,0ptp4l0-21swapper/212:36:112
111391200,0ptp4l0-21swapper/211:45:272
111391200,0ptp4l0-21swapper/211:20:012
111391200,0ptp4l0-21swapper/210:28:442
111391200,0ptp4l0-21swapper/210:22:552
111391200,0ptp4l0-21swapper/108:52:261
111391200,0ptp4l0-21swapper/107:54:421
111391200,0ptp4l0-21swapper/007:32:320
111391200,0ptp4l0-21swapper/007:14:280
111391190,0ptp4l0-21swapper/610:56:096
111391190,0ptp4l0-21swapper/610:28:126
111391190,0ptp4l0-21swapper/608:45:126
111391190,0ptp4l0-21swapper/509:06:245
111391190,0ptp4l0-21swapper/508:52:125
111391190,0ptp4l0-21swapper/508:38:275
111391190,0ptp4l0-21swapper/407:27:274
111391190,0ptp4l0-21swapper/209:46:572
111391190,0ptp4l0-21swapper/208:10:242
111391190,0ptp4l0-21swapper/007:15:150
111391180,0ptp4l0-21swapper/407:22:234
111391180,0ptp4l0-21swapper/210:09:392
111391180,0ptp4l0-21swapper/108:10:171
111391170,0ptp4l0-21swapper/508:44:235
111391170,0ptp4l0-21swapper/008:39:080
111391160,0ptp4l0-21swapper/408:48:254
111391160,0ptp4l0-21swapper/308:34:293
111391160,0ptp4l0-21swapper/307:53:233
111391160,0ptp4l0-21swapper/209:52:012
111391160,0ptp4l0-21swapper/207:10:272
111391160,0ptp4l0-21swapper/109:09:131
111391150,0ptp4l0-21swapper/709:07:027
111391150,0ptp4l0-21swapper/708:11:177
111391150,0ptp4l0-21swapper/708:01:347
111391150,0ptp4l0-21swapper/612:10:016
111391150,0ptp4l0-21swapper/610:15:116
111391150,0ptp4l0-21swapper/608:54:146
111391150,0ptp4l0-21swapper/608:43:006
111391150,0ptp4l0-21swapper/608:26:036
111391150,0ptp4l0-21swapper/608:15:426
111391150,0ptp4l0-21swapper/608:04:056
111391150,0ptp4l0-21swapper/607:59:286
111391150,0ptp4l0-21swapper/607:50:456
111391150,0ptp4l0-21swapper/607:48:136
111391150,0ptp4l0-21swapper/607:44:466
111391150,0ptp4l0-21swapper/607:15:276
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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