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2025-11-24 - 05:10

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 Nov 24, 2025 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
114091610,5ptp4l0-21swapper/019:06:280
114091610,30ptp4l0-21swapper/119:07:361
2958826038,6sleep30-21swapper/319:07:473
2949226050,6sleep70-21swapper/719:06:317
2969125544,6sleep60-21swapper/619:09:106
114091550,5ptp4l0-21swapper/419:09:344
2947025140,6sleep20-21swapper/219:06:182
2784924634,7sleep50-21swapper/519:05:095
114091330,0ptp4l0-21swapper/123:15:011
114091320,0ptp4l0-21swapper/122:45:121
114091300,0ptp4l0-21swapper/521:54:185
114091300,0ptp4l0-21swapper/400:18:564
114091300,0ptp4l0-21swapper/123:33:131
114091300,0ptp4l0-21swapper/122:15:491
114091300,0ptp4l0-21swapper/122:15:491
114091300,0ptp4l0-21swapper/121:51:591
114091300,0ptp4l0-21swapper/121:46:151
114091290,0ptp4l0-21swapper/721:20:527
114091290,0ptp4l0-21swapper/621:35:196
114091290,0ptp4l0-21swapper/122:05:221
114091290,0ptp4l0-21swapper/120:45:121
114091290,0ptp4l0-21swapper/023:05:140
114091280,2ptp4l0-21swapper/122:58:231
114091280,1ptp4l2155-21ssh23:42:526
114091280,0ptp4l0-21swapper/623:33:296
114091280,0ptp4l0-21swapper/622:26:176
114091280,0ptp4l0-21swapper/600:00:226
114091280,0ptp4l0-21swapper/423:31:504
114091280,0ptp4l0-21swapper/421:48:074
114091280,0ptp4l0-21swapper/222:01:212
114091280,0ptp4l0-21swapper/100:24:071
114091280,0ptp4l0-21swapper/100:05:401
114091270,2ptp4l0-21swapper/023:10:070
114091270,0ptp4l0-21swapper/723:44:287
114091270,0ptp4l0-21swapper/722:38:387
114091270,0ptp4l0-21swapper/523:45:045
114091270,0ptp4l0-21swapper/421:30:044
114091270,0ptp4l0-21swapper/400:21:534
114091270,0ptp4l0-21swapper/122:53:391
114091270,0ptp4l0-21swapper/100:10:381
114091270,0ptp4l0-21swapper/023:57:000
114091270,0ptp4l0-21swapper/021:26:320
114091260,4ptp4l0-21swapper/121:40:471
114091260,0ptp4l0-21swapper/722:24:127
114091260,0ptp4l0-21swapper/700:14:267
114091260,0ptp4l0-21swapper/600:06:566
114091260,0ptp4l0-21swapper/500:15:195
114091260,0ptp4l0-21swapper/423:28:054
114091260,0ptp4l0-21swapper/423:18:144
114091260,0ptp4l0-21swapper/423:05:194
114091260,0ptp4l0-21swapper/421:28:554
114091260,0ptp4l0-21swapper/122:12:281
114091260,0ptp4l0-21swapper/121:10:061
114091260,0ptp4l0-21swapper/100:19:061
114091260,0ptp4l0-21swapper/022:43:570
114091260,0ptp4l0-21swapper/022:27:420
114091260,0ptp4l0-21swapper/000:22:360
114091250,2ptp4l2755-21latency_hist19:20:000
114091250,1ptp4l21717-21diskstats20:00:134
114091250,0ptp4l0-21swapper/722:46:017
114091250,0ptp4l0-21swapper/722:25:187
114091250,0ptp4l0-21swapper/721:20:007
114091250,0ptp4l0-21swapper/700:34:007
114091250,0ptp4l0-21swapper/623:37:126
114091250,0ptp4l0-21swapper/619:55:146
114091250,0ptp4l0-21swapper/619:27:386
114091250,0ptp4l0-21swapper/600:32:526
114091250,0ptp4l0-21swapper/522:02:295
114091250,0ptp4l0-21swapper/521:10:195
114091250,0ptp4l0-21swapper/423:51:404
114091250,0ptp4l0-21swapper/422:36:194
114091250,0ptp4l0-21swapper/421:00:514
114091250,0ptp4l0-21swapper/400:30:124
114091250,0ptp4l0-21swapper/222:11:122
114091250,0ptp4l0-21swapper/221:45:132
114091250,0ptp4l0-21swapper/220:50:212
114091250,0ptp4l0-21swapper/200:30:162
114091250,0ptp4l0-21swapper/122:43:391
114091250,0ptp4l0-21swapper/121:30:111
114091250,0ptp4l0-21swapper/120:35:161
114091250,0ptp4l0-21swapper/119:13:291
114091250,0ptp4l0-21swapper/023:15:130
114091250,0ptp4l0-21swapper/022:47:580
114091250,0ptp4l0-21swapper/000:11:560
114091250,0ptp4l0-21swapper/000:02:320
114091240,1ptp4l8609-21open_files19:30:180
114091240,1ptp4l6834-21munin-run22:20:005
114091240,1ptp4l6834-21munin-run22:20:005
114091240,1ptp4l3428-21date22:15:005
114091240,1ptp4l27535-21ksmtuned22:02:314
114091240,1ptp4l26166-21switchtime22:45:195
114091240,1ptp4l25813-21expr22:45:144
114091240,1ptp4l19416-21diskstats19:55:132
114091240,1ptp4l18854-21cut21:05:001
114091240,0ptp4l0-21swapper/722:30:547
114091240,0ptp4l0-21swapper/721:30:567
114091240,0ptp4l0-21swapper/623:53:196
114091240,0ptp4l0-21swapper/622:02:046
114091240,0ptp4l0-21swapper/621:25:236
114091240,0ptp4l0-21swapper/621:00:146
114091240,0ptp4l0-21swapper/620:51:306
114091240,0ptp4l0-21swapper/620:30:106
114091240,0ptp4l0-21swapper/523:02:205
114091240,0ptp4l0-21swapper/522:23:145
114091240,0ptp4l0-21swapper/520:10:145
114091240,0ptp4l0-21swapper/423:20:154
114091240,0ptp4l0-21swapper/421:40:144
114091240,0ptp4l0-21swapper/421:39:224
114091240,0ptp4l0-21swapper/420:49:414
114091240,0ptp4l0-21swapper/400:38:544
114091240,0ptp4l0-21swapper/323:25:163
114091240,0ptp4l0-21swapper/323:24:243
114091240,0ptp4l0-21swapper/322:25:163
114091240,0ptp4l0-21swapper/221:35:182
114091240,0ptp4l0-21swapper/221:25:212
114091240,0ptp4l0-21swapper/200:35:122
114091240,0ptp4l0-21swapper/200:28:532
114091240,0ptp4l0-21swapper/123:57:371
114091240,0ptp4l0-21swapper/123:47:281
114091240,0ptp4l0-21swapper/123:06:291
114091240,0ptp4l0-21swapper/121:55:141
114091240,0ptp4l0-21swapper/119:53:151
114091240,0ptp4l0-21swapper/119:50:001
114091240,0ptp4l0-21swapper/023:50:120
114091240,0ptp4l0-21swapper/023:23:250
114091240,0ptp4l0-21swapper/023:02:280
114091240,0ptp4l0-21swapper/022:14:440
114091240,0ptp4l0-21swapper/019:20:110
114091230,1ptp4l57-21ksoftirqd/522:51:215
114091230,1ptp4l5355-21ssh23:46:320
114091230,1ptp4l21338-21latency_hist20:00:011
114091230,1ptp4l18415-21/usr/sbin/munin21:50:152
114091230,0ptp4l0-21swapper/723:25:147
114091230,0ptp4l0-21swapper/723:24:287
114091230,0ptp4l0-21swapper/523:50:225
114091230,0ptp4l0-21swapper/523:40:135
114091230,0ptp4l0-21swapper/523:05:125
114091230,0ptp4l0-21swapper/522:40:155
114091230,0ptp4l0-21swapper/522:05:195
114091230,0ptp4l0-21swapper/521:40:195
114091230,0ptp4l0-21swapper/521:37:195
114091230,0ptp4l0-21swapper/521:30:115
114091230,0ptp4l0-21swapper/521:30:005
114091230,0ptp4l0-21swapper/520:45:135
114091230,0ptp4l0-21swapper/519:40:145
114091230,0ptp4l0-21swapper/519:40:145
114091230,0ptp4l0-21swapper/519:35:135
114091230,0ptp4l0-21swapper/519:15:015
114091230,0ptp4l0-21swapper/500:10:175
114091230,0ptp4l0-21swapper/500:05:155
114091230,0ptp4l0-21swapper/423:35:124
114091230,0ptp4l0-21swapper/423:00:204
114091230,0ptp4l0-21swapper/422:27:474
114091230,0ptp4l0-21swapper/422:18:154
114091230,0ptp4l0-21swapper/422:18:154
114091230,0ptp4l0-21swapper/420:55:114
114091230,0ptp4l0-21swapper/420:20:154
114091230,0ptp4l0-21swapper/419:35:254
114091230,0ptp4l0-21swapper/419:20:194
114091230,0ptp4l0-21swapper/323:44:053
114091230,0ptp4l0-21swapper/322:24:233
114091230,0ptp4l0-21swapper/321:18:593
114091230,0ptp4l0-21swapper/222:48:392
114091230,0ptp4l0-21swapper/222:35:132
114091230,0ptp4l0-21swapper/222:26:352
114091230,0ptp4l0-21swapper/221:00:232
114091230,0ptp4l0-21swapper/220:30:122
114091230,0ptp4l0-21swapper/219:45:142
114091230,0ptp4l0-21swapper/123:50:131
114091230,0ptp4l0-21swapper/123:26:231
114091230,0ptp4l0-21swapper/123:12:401
114091230,0ptp4l0-21swapper/123:00:151
114091230,0ptp4l0-21swapper/121:38:251
114091230,0ptp4l0-21swapper/121:26:261
114091230,0ptp4l0-21swapper/121:24:161
114091230,0ptp4l0-21swapper/120:55:121
114091230,0ptp4l0-21swapper/120:45:001
114091230,0ptp4l0-21swapper/120:05:071
114091230,0ptp4l0-21swapper/119:25:001
114091230,0ptp4l0-21swapper/119:18:171
114091230,0ptp4l0-21swapper/100:36:321
114091230,0ptp4l0-21swapper/023:35:190
114091230,0ptp4l0-21swapper/022:05:110
114091230,0ptp4l0-21swapper/021:35:010
114091230,0ptp4l0-21swapper/021:15:150
114091230,0ptp4l0-21swapper/020:45:150
114091230,0ptp4l0-21swapper/020:15:190
114091230,0ptp4l0-21swapper/020:00:160
114091220,1ptp4l1088-21in:imjournal20:25:445
114091220,0ptp4l25986-21sed20:10:015
114091220,0ptp4l0-21swapper/721:51:007
114091220,0ptp4l0-21swapper/623:45:126
114091220,0ptp4l0-21swapper/623:10:216
114091220,0ptp4l0-21swapper/622:35:176
114091220,0ptp4l0-21swapper/622:33:076
114091220,0ptp4l0-21swapper/622:22:516
114091220,0ptp4l0-21swapper/621:56:006
114091220,0ptp4l0-21swapper/621:50:156
114091220,0ptp4l0-21swapper/621:45:156
114091220,0ptp4l0-21swapper/619:45:016
114091220,0ptp4l0-21swapper/600:35:136
114091220,0ptp4l0-21swapper/523:55:185
114091220,0ptp4l0-21swapper/523:33:415
114091220,0ptp4l0-21swapper/523:20:115
114091220,0ptp4l0-21swapper/523:15:155
114091220,0ptp4l0-21swapper/523:14:515
114091220,0ptp4l0-21swapper/522:55:135
114091220,0ptp4l0-21swapper/522:33:265
114091220,0ptp4l0-21swapper/521:55:115
114091220,0ptp4l0-21swapper/521:24:135
114091220,0ptp4l0-21swapper/520:50:145
114091220,0ptp4l0-21swapper/520:40:165
114091220,0ptp4l0-21swapper/520:35:175
114091220,0ptp4l0-21swapper/520:20:205
114091220,0ptp4l0-21swapper/520:00:205
114091220,0ptp4l0-21swapper/519:57:155
114091220,0ptp4l0-21swapper/519:50:135
114091220,0ptp4l0-21swapper/519:30:205
114091220,0ptp4l0-21swapper/519:10:185
114091220,0ptp4l0-21swapper/500:34:595
114091220,0ptp4l0-21swapper/500:25:165
114091220,0ptp4l0-21swapper/500:24:175
114091220,0ptp4l0-21swapper/423:47:054
114091220,0ptp4l0-21swapper/423:10:144
114091220,0ptp4l0-21swapper/422:58:064
114091220,0ptp4l0-21swapper/422:51:194
114091220,0ptp4l0-21swapper/422:20:204
114091220,0ptp4l0-21swapper/422:14:124
114091220,0ptp4l0-21swapper/422:05:164
114091220,0ptp4l0-21swapper/421:55:184
114091220,0ptp4l0-21swapper/421:51:224
114091220,0ptp4l0-21swapper/421:15:184
114091220,0ptp4l0-21swapper/421:09:464
114091220,0ptp4l0-21swapper/420:40:134
114091220,0ptp4l0-21swapper/420:25:144
114091220,0ptp4l0-21swapper/420:05:144
114091220,0ptp4l0-21swapper/419:30:124
114091220,0ptp4l0-21swapper/400:04:494
114091220,0ptp4l0-21swapper/322:47:193
114091220,0ptp4l0-21swapper/322:36:033
114091220,0ptp4l0-21swapper/322:30:133
114091220,0ptp4l0-21swapper/321:50:373
114091220,0ptp4l0-21swapper/321:31:313
114091220,0ptp4l0-21swapper/321:20:013
114091220,0ptp4l0-21swapper/223:53:082
114091220,0ptp4l0-21swapper/223:45:362
114091220,0ptp4l0-21swapper/223:37:332
114091220,0ptp4l0-21swapper/223:30:212
114091220,0ptp4l0-21swapper/221:56:032
114091220,0ptp4l0-21swapper/220:10:182
114091220,0ptp4l0-21swapper/200:20:202
114091220,0ptp4l0-21swapper/200:17:402
114091220,0ptp4l0-21swapper/200:06:422
114091220,0ptp4l0-21swapper/200:00:162
114091220,0ptp4l0-21swapper/123:40:181
114091220,0ptp4l0-21swapper/123:35:391
114091220,0ptp4l0-21swapper/123:20:151
114091220,0ptp4l0-21swapper/122:39:371
114091220,0ptp4l0-21swapper/122:26:051
114091220,0ptp4l0-21swapper/122:20:131
114091220,0ptp4l0-21swapper/122:02:211
114091220,0ptp4l0-21swapper/121:15:111
114091220,0ptp4l0-21swapper/121:05:171
114091220,0ptp4l0-21swapper/120:50:131
114091220,0ptp4l0-21swapper/120:20:301
114091220,0ptp4l0-21swapper/120:15:181
114091220,0ptp4l0-21swapper/120:10:151
114091220,0ptp4l0-21swapper/120:00:221
114091220,0ptp4l0-21swapper/119:40:151
114091220,0ptp4l0-21swapper/119:40:151
114091220,0ptp4l0-21swapper/119:35:191
114091220,0ptp4l0-21swapper/119:30:191
114091220,0ptp4l0-21swapper/100:25:201
114091220,0ptp4l0-21swapper/023:25:290
114091220,0ptp4l0-21swapper/022:55:580
114091220,0ptp4l0-21swapper/022:50:230
114091220,0ptp4l0-21swapper/022:18:460
114091220,0ptp4l0-21swapper/022:18:450
114091220,0ptp4l0-21swapper/021:55:160
114091220,0ptp4l0-21swapper/021:47:310
114091220,0ptp4l0-21swapper/021:30:130
114091220,0ptp4l0-21swapper/021:05:190
114091220,0ptp4l0-21swapper/020:40:160
114091220,0ptp4l0-21swapper/020:35:150
114091220,0ptp4l0-21swapper/020:32:150
114091220,0ptp4l0-21swapper/020:20:120
114091220,0ptp4l0-21swapper/020:05:120
114091220,0ptp4l0-21swapper/019:50:210
114091220,0ptp4l0-21swapper/000:38:220
114091220,0ptp4l0-21swapper/000:33:390
114091220,0ptp4l0-21swapper/000:10:000
114091210,1ptp4l9497-21ssh23:08:012
114091210,1ptp4l811-21NetworkManager19:29:551
114091210,0ptp4l0-21swapper/623:07:576
114091210,0ptp4l0-21swapper/622:05:306
114091210,0ptp4l0-21swapper/620:19:056
114091210,0ptp4l0-21swapper/620:10:226
114091210,0ptp4l0-21swapper/620:02:306
114091210,0ptp4l0-21swapper/600:28:266
114091210,0ptp4l0-21swapper/600:20:446
114091210,0ptp4l0-21swapper/600:17:476
114091210,0ptp4l0-21swapper/523:36:165
114091210,0ptp4l0-21swapper/523:25:365
114091210,0ptp4l0-21swapper/522:28:075
114091210,0ptp4l0-21swapper/521:15:375
114091210,0ptp4l0-21swapper/521:05:135
114091210,0ptp4l0-21swapper/521:03:165
114091210,0ptp4l0-21swapper/520:15:185
114091210,0ptp4l0-21swapper/519:20:225
114091210,0ptp4l0-21swapper/500:35:025
114091210,0ptp4l0-21swapper/500:02:475
114091210,0ptp4l0-21swapper/423:58:174
114091210,0ptp4l0-21swapper/422:41:534
114091210,0ptp4l0-21swapper/422:32:144
114091210,0ptp4l0-21swapper/421:23:534
114091210,0ptp4l0-21swapper/421:11:484
114091210,0ptp4l0-21swapper/420:15:204
114091210,0ptp4l0-21swapper/419:50:174
114091210,0ptp4l0-21swapper/400:11:494
114091210,0ptp4l0-21swapper/400:09:354
114091210,0ptp4l0-21swapper/319:11:143
114091210,0ptp4l0-21swapper/223:42:462
114091210,0ptp4l0-21swapper/223:16:312
114091210,0ptp4l0-21swapper/223:10:182
114091210,0ptp4l0-21swapper/222:32:032
114091210,0ptp4l0-21swapper/222:21:092
114091210,0ptp4l0-21swapper/222:05:532
114091210,0ptp4l0-21swapper/220:23:162
114091210,0ptp4l0-21swapper/220:06:142
114091210,0ptp4l0-21swapper/219:53:562
114091210,0ptp4l0-21swapper/219:25:322
114091210,0ptp4l0-21swapper/122:33:481
114091210,0ptp4l0-21swapper/120:30:191
114091210,0ptp4l0-21swapper/100:34:281
114091210,0ptp4l0-21swapper/100:02:331
114091210,0ptp4l0-21swapper/023:41:330
114091210,0ptp4l0-21swapper/023:33:520
114091210,0ptp4l0-21swapper/022:35:190
114091210,0ptp4l0-21swapper/022:31:190
114091210,0ptp4l0-21swapper/022:20:160
114091210,0ptp4l0-21swapper/021:44:010
114091210,0ptp4l0-21swapper/021:22:310
114091210,0ptp4l0-21swapper/020:55:140
114091210,0ptp4l0-21swapper/020:54:500
114091210,0ptp4l0-21swapper/020:25:210
114091210,0ptp4l0-21swapper/019:35:170
114091210,0ptp4l0-21swapper/019:13:180
114091210,0ptp4l0-21swapper/000:18:350
88622200,1sleep3401ktimersoftd/300:38:123
114091200,2ptp4l641ktimersoftd/620:25:236
114091200,2ptp4l0-21swapper/619:54:156
114091200,0ptp4l0-21swapper/719:29:147
114091200,0ptp4l0-21swapper/623:16:256
114091200,0ptp4l0-21swapper/622:48:536
114091200,0ptp4l0-21swapper/622:10:366
114091200,0ptp4l0-21swapper/621:44:596
114091200,0ptp4l0-21swapper/522:35:265
114091200,0ptp4l0-21swapper/521:46:375
114091200,0ptp4l0-21swapper/520:59:555
114091200,0ptp4l0-21swapper/519:45:395
114091200,0ptp4l0-21swapper/419:58:154
114091200,0ptp4l0-21swapper/400:26:194
114091200,0ptp4l0-21swapper/300:22:153
114091200,0ptp4l0-21swapper/021:51:180
114091200,0ptp4l0-21swapper/021:13:420
114091200,0ptp4l0-21swapper/019:46:140
114091200,0ptp4l0-21swapper/019:40:280
114091200,0ptp4l0-21swapper/019:40:270
114091190,3ptp4l0-21swapper/620:58:446
114091190,0ptp4l0-21swapper/700:22:197
114091190,0ptp4l0-21swapper/623:22:356
114091190,0ptp4l0-21swapper/619:42:516
114091190,0ptp4l0-21swapper/619:42:516
114091190,0ptp4l0-21swapper/423:41:344
114091190,0ptp4l0-21swapper/420:35:154
114091190,0ptp4l0-21swapper/300:14:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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