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2026-08-01 - 14:03

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 Sat Aug 01, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
810221170,0sleep40-21swapper/422:00:124
104072960,3sleep341-21ksoftirqd/319:05:183
111391620,5ptp4l0-21swapper/619:05:336
111391610,5ptp4l0-21swapper/119:05:081
111391600,5ptp4l0-21swapper/419:06:524
111391600,29ptp4l0-21swapper/019:05:420
1180425949,6sleep20-21swapper/219:09:412
1147725949,6sleep70-21swapper/719:05:317
136902550,0sleep20-21swapper/221:24:052
136902550,0sleep20-21swapper/221:24:052
1156124736,6sleep50-21swapper/519:06:335
111391330,0ptp4l0-21swapper/523:01:365
111391300,0ptp4l0-21swapper/519:30:185
111391300,0ptp4l0-21swapper/423:55:424
111391300,0ptp4l0-21swapper/023:53:580
111391290,1ptp4l28627-21sh22:27:275
111391290,0ptp4l0-21swapper/621:16:436
111391290,0ptp4l0-21swapper/400:22:144
111391290,0ptp4l0-21swapper/122:40:341
111391280,6ptp4l0-21swapper/021:47:290
111391280,4ptp4l0-21swapper/423:04:584
111391280,2ptp4l0-21swapper/400:19:364
111391280,0ptp4l0-21swapper/723:59:567
111391280,0ptp4l0-21swapper/423:42:234
111391280,0ptp4l0-21swapper/423:14:474
111391280,0ptp4l0-21swapper/300:00:133
111391280,0ptp4l0-21swapper/300:00:133
111391280,0ptp4l0-21swapper/221:35:012
111391280,0ptp4l0-21swapper/123:37:481
111391270,2ptp4l0-21swapper/022:51:340
111391270,2ptp4l0-21swapper/022:45:190
111391270,2ptp4l0-21swapper/000:26:380
111391270,0ptp4l0-21swapper/521:44:535
111391270,0ptp4l0-21swapper/500:07:235
111391270,0ptp4l0-21swapper/423:26:554
111391270,0ptp4l0-21swapper/422:32:284
111391270,0ptp4l0-21swapper/400:32:514
111391270,0ptp4l0-21swapper/400:27:194
111391270,0ptp4l0-21swapper/123:01:381
111391270,0ptp4l0-21swapper/122:27:171
111391270,0ptp4l0-21swapper/121:32:501
111391270,0ptp4l0-21swapper/100:33:221
111391270,0ptp4l0-21swapper/021:24:470
111391270,0ptp4l0-21swapper/021:24:470
111391260,4ptp4l321ktimersoftd/221:14:382
111391260,2ptp4l0-21swapper/122:46:521
111391260,1ptp4l27164-21users21:40:204
111391260,0ptp4l0-21swapper/621:14:466
111391260,0ptp4l0-21swapper/423:54:024
111391260,0ptp4l0-21swapper/423:31:204
111391260,0ptp4l0-21swapper/422:55:194
111391260,0ptp4l0-21swapper/422:38:174
111391260,0ptp4l0-21swapper/422:14:304
111391260,0ptp4l0-21swapper/400:11:224
111391260,0ptp4l0-21swapper/100:05:441
111391250,3ptp4l0-21swapper/000:35:230
111391250,2ptp4l0-21swapper/023:42:210
111391250,1ptp4l9658-21fw_forwarded_lo23:30:131
111391250,1ptp4l29516-21cut19:45:160
111391250,1ptp4l22605-21memory21:35:161
111391250,0ptp4l0-21swapper/719:40:117
111391250,0ptp4l0-21swapper/700:00:507
111391250,0ptp4l0-21swapper/700:00:507
111391250,0ptp4l0-21swapper/523:49:255
111391250,0ptp4l0-21swapper/522:11:425
111391250,0ptp4l0-21swapper/422:53:534
111391250,0ptp4l0-21swapper/422:47:194
111391250,0ptp4l0-21swapper/422:23:344
111391250,0ptp4l0-21swapper/422:09:264
111391250,0ptp4l0-21swapper/421:21:404
111391250,0ptp4l0-21swapper/421:21:394
111391250,0ptp4l0-21swapper/421:18:424
111391250,0ptp4l0-21swapper/420:40:194
111391250,0ptp4l0-21swapper/420:25:154
111391250,0ptp4l0-21swapper/323:33:193
111391250,0ptp4l0-21swapper/323:19:363
111391250,0ptp4l0-21swapper/123:29:251
111391250,0ptp4l0-21swapper/122:30:371
111391250,0ptp4l0-21swapper/023:57:220
111391250,0ptp4l0-21swapper/021:40:160
111391250,0ptp4l0-21swapper/020:55:150
111391250,0ptp4l0-21swapper/020:50:180
111391250,0ptp4l0-21swapper/019:55:190
111391240,2ptp4l101ktimersoftd/020:05:190
111391240,1ptp4l9-21ksoftirqd/020:25:140
111391240,1ptp4l799-21NetworkManager22:40:114
111391240,1ptp4l7136-21cut00:15:001
111391240,1ptp4l5471-21sed20:05:001
111391240,1ptp4l4415-21cut21:55:124
111391240,1ptp4l3569-21df21:10:124
111391240,1ptp4l30762-21munin-run00:00:003
111391240,1ptp4l2864-21diskmemload21:20:171
111391240,1ptp4l2864-21diskmemload21:20:161
111391240,1ptp4l27655-21sed22:25:190
111391240,1ptp4l27263-21tr23:10:121
111391240,1ptp4l14693-21df_inode21:25:115
111391240,1ptp4l13214-21ssh23:35:125
111391240,1ptp4l1068-21runrttasks20:15:120
111391240,1ptp4l10650-21fw_forwarded_lo20:15:124
111391240,0ptp4l0-21swapper/622:57:586
111391240,0ptp4l0-21swapper/521:22:235
111391240,0ptp4l0-21swapper/521:22:235
111391240,0ptp4l0-21swapper/521:19:005
111391240,0ptp4l0-21swapper/500:30:155
111391240,0ptp4l0-21swapper/423:06:084
111391240,0ptp4l0-21swapper/421:30:144
111391240,0ptp4l0-21swapper/420:55:164
111391240,0ptp4l0-21swapper/419:55:114
111391240,0ptp4l0-21swapper/419:45:134
111391240,0ptp4l0-21swapper/419:21:194
111391240,0ptp4l0-21swapper/419:15:024
111391240,0ptp4l0-21swapper/323:06:523
111391240,0ptp4l0-21swapper/319:40:183
111391240,0ptp4l0-21swapper/123:10:001
111391240,0ptp4l0-21swapper/121:45:191
111391240,0ptp4l0-21swapper/100:20:251
111391240,0ptp4l0-21swapper/023:25:590
111391240,0ptp4l0-21swapper/023:15:190
111391240,0ptp4l0-21swapper/022:55:150
111391240,0ptp4l0-21swapper/022:40:180
111391240,0ptp4l0-21swapper/022:00:180
111391240,0ptp4l0-21swapper/021:50:170
111391240,0ptp4l0-21swapper/021:38:120
111391240,0ptp4l0-21swapper/021:30:150
111391240,0ptp4l0-21swapper/021:15:170
111391240,0ptp4l0-21swapper/021:10:200
111391230,1ptp4l3212-21date20:00:005
111391230,1ptp4l2864-21diskmemload23:08:065
111391230,1ptp4l25156-21/usr/sbin/munin20:45:194
111391230,0ptp4l31603-21if_eno119:50:190
111391230,0ptp4l2864-21diskmemload23:45:164
111391230,0ptp4l101ktimersoftd/023:39:560
111391230,0ptp4l0-21swapper/723:20:127
111391230,0ptp4l0-21swapper/700:10:107
111391230,0ptp4l0-21swapper/700:10:017
111391230,0ptp4l0-21swapper/523:10:225
111391230,0ptp4l0-21swapper/522:46:515
111391230,0ptp4l0-21swapper/521:35:165
111391230,0ptp4l0-21swapper/521:32:365
111391230,0ptp4l0-21swapper/520:35:205
111391230,0ptp4l0-21swapper/519:54:285
111391230,0ptp4l0-21swapper/500:20:215
111391230,0ptp4l0-21swapper/500:15:125
111391230,0ptp4l0-21swapper/423:15:204
111391230,0ptp4l0-21swapper/422:27:454
111391230,0ptp4l0-21swapper/422:15:154
111391230,0ptp4l0-21swapper/421:50:144
111391230,0ptp4l0-21swapper/421:46:254
111391230,0ptp4l0-21swapper/421:29:044
111391230,0ptp4l0-21swapper/421:05:214
111391230,0ptp4l0-21swapper/419:35:014
111391230,0ptp4l0-21swapper/400:35:194
111391230,0ptp4l0-21swapper/400:02:174
111391230,0ptp4l0-21swapper/400:02:174
111391230,0ptp4l0-21swapper/323:20:153
111391230,0ptp4l0-21swapper/321:10:583
111391230,0ptp4l0-21swapper/321:00:173
111391230,0ptp4l0-21swapper/319:57:173
111391230,0ptp4l0-21swapper/300:10:093
111391230,0ptp4l0-21swapper/300:10:003
111391230,0ptp4l0-21swapper/123:50:161
111391230,0ptp4l0-21swapper/123:22:401
111391230,0ptp4l0-21swapper/122:05:201
111391230,0ptp4l0-21swapper/121:51:521
111391230,0ptp4l0-21swapper/121:25:201
111391230,0ptp4l0-21swapper/120:45:121
111391230,0ptp4l0-21swapper/120:35:181
111391230,0ptp4l0-21swapper/120:34:591
111391230,0ptp4l0-21swapper/119:25:131
111391230,0ptp4l0-21swapper/100:15:121
111391230,0ptp4l0-21swapper/023:45:340
111391230,0ptp4l0-21swapper/023:24:320
111391230,0ptp4l0-21swapper/023:05:130
111391230,0ptp4l0-21swapper/023:05:000
111391230,0ptp4l0-21swapper/022:30:100
111391230,0ptp4l0-21swapper/022:10:140
111391230,0ptp4l0-21swapper/022:05:120
111391230,0ptp4l0-21swapper/021:55:190
111391230,0ptp4l0-21swapper/021:05:180
111391230,0ptp4l0-21swapper/020:40:160
111391230,0ptp4l0-21swapper/020:24:590
111391230,0ptp4l0-21swapper/019:35:160
111391230,0ptp4l0-21swapper/019:15:020
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/000:30:130
111391230,0ptp4l0-21swapper/000:15:200
111391230,0ptp4l0-21swapper/000:02:170
111391230,0ptp4l0-21swapper/000:02:170
111391220,3ptp4l721ktimersoftd/722:09:197
111391220,2ptp4l0-21swapper/420:23:474
111391220,1ptp4l13518-21ssh00:22:272
111391220,0ptp4l0-21swapper/723:18:247
111391220,0ptp4l0-21swapper/723:06:537
111391220,0ptp4l0-21swapper/722:02:127
111391220,0ptp4l0-21swapper/721:11:017
111391220,0ptp4l0-21swapper/700:37:587
111391220,0ptp4l0-21swapper/622:23:306
111391220,0ptp4l0-21swapper/622:07:146
111391220,0ptp4l0-21swapper/600:22:236
111391220,0ptp4l0-21swapper/523:50:175
111391220,0ptp4l0-21swapper/523:30:115
111391220,0ptp4l0-21swapper/523:29:275
111391220,0ptp4l0-21swapper/523:22:355
111391220,0ptp4l0-21swapper/522:51:365
111391220,0ptp4l0-21swapper/522:42:325
111391220,0ptp4l0-21swapper/522:30:445
111391220,0ptp4l0-21swapper/522:23:595
111391220,0ptp4l0-21swapper/522:05:195
111391220,0ptp4l0-21swapper/521:51:545
111391220,0ptp4l0-21swapper/521:45:145
111391220,0ptp4l0-21swapper/520:45:145
111391220,0ptp4l0-21swapper/520:20:095
111391220,0ptp4l0-21swapper/520:15:145
111391220,0ptp4l0-21swapper/520:00:105
111391220,0ptp4l0-21swapper/519:25:205
111391220,0ptp4l0-21swapper/519:20:125
111391220,0ptp4l0-21swapper/500:35:525
111391220,0ptp4l0-21swapper/500:03:285
111391220,0ptp4l0-21swapper/500:03:285
111391220,0ptp4l0-21swapper/423:35:214
111391220,0ptp4l0-21swapper/423:23:224
111391220,0ptp4l0-21swapper/421:35:424
111391220,0ptp4l0-21swapper/420:30:134
111391220,0ptp4l0-21swapper/420:10:374
111391220,0ptp4l0-21swapper/420:05:114
111391220,0ptp4l0-21swapper/420:00:164
111391220,0ptp4l0-21swapper/419:50:214
111391220,0ptp4l0-21swapper/419:35:154
111391220,0ptp4l0-21swapper/419:10:194
111391220,0ptp4l0-21swapper/400:05:184
111391220,0ptp4l0-21swapper/321:26:203
111391220,0ptp4l0-21swapper/319:10:143
111391220,0ptp4l0-21swapper/300:36:243
111391220,0ptp4l0-21swapper/200:06:302
111391220,0ptp4l0-21swapper/123:57:041
111391220,0ptp4l0-21swapper/123:47:541
111391220,0ptp4l0-21swapper/123:17:011
111391220,0ptp4l0-21swapper/122:22:191
111391220,0ptp4l0-21swapper/122:17:061
111391220,0ptp4l0-21swapper/122:10:441
111391220,0ptp4l0-21swapper/121:42:581
111391220,0ptp4l0-21swapper/120:20:121
111391220,0ptp4l0-21swapper/119:30:171
111391220,0ptp4l0-21swapper/119:20:161
111391220,0ptp4l0-21swapper/100:04:031
111391220,0ptp4l0-21swapper/100:04:031
111391220,0ptp4l0-21swapper/023:30:170
111391220,0ptp4l0-21swapper/023:11:320
111391220,0ptp4l0-21swapper/022:36:290
111391220,0ptp4l0-21swapper/022:20:110
111391220,0ptp4l0-21swapper/022:15:140
111391220,0ptp4l0-21swapper/021:29:360
111391220,0ptp4l0-21swapper/020:45:200
111391220,0ptp4l0-21swapper/020:30:160
111391220,0ptp4l0-21swapper/020:10:200
111391220,0ptp4l0-21swapper/020:00:160
111391220,0ptp4l0-21swapper/019:20:220
111391220,0ptp4l0-21swapper/000:23:380
111391210,3ptp4l721ktimersoftd/719:47:027
111391210,0ptp4l0-21swapper/723:33:207
111391210,0ptp4l0-21swapper/722:54:207
111391210,0ptp4l0-21swapper/721:26:227
111391210,0ptp4l0-21swapper/721:00:017
111391210,0ptp4l0-21swapper/720:50:467
111391210,0ptp4l0-21swapper/719:39:547
111391210,0ptp4l0-21swapper/719:27:187
111391210,0ptp4l0-21swapper/622:43:386
111391210,0ptp4l0-21swapper/622:38:586
111391210,0ptp4l0-21swapper/621:48:316
111391210,0ptp4l0-21swapper/600:06:236
111391210,0ptp4l0-21swapper/523:57:055
111391210,0ptp4l0-21swapper/523:15:135
111391210,0ptp4l0-21swapper/522:36:425
111391210,0ptp4l0-21swapper/522:02:075
111391210,0ptp4l0-21swapper/520:34:475
111391210,0ptp4l0-21swapper/500:14:295
111391210,0ptp4l0-21swapper/420:50:174
111391210,0ptp4l0-21swapper/223:52:012
111391210,0ptp4l0-21swapper/223:41:302
111391210,0ptp4l0-21swapper/222:58:052
111391210,0ptp4l0-21swapper/222:43:362
111391210,0ptp4l0-21swapper/222:38:562
111391210,0ptp4l0-21swapper/122:56:111
111391210,0ptp4l0-21swapper/122:36:401
111391210,0ptp4l0-21swapper/122:01:441
111391210,0ptp4l0-21swapper/121:55:181
111391210,0ptp4l0-21swapper/121:17:031
111391210,0ptp4l0-21swapper/121:13:251
111391210,0ptp4l0-21swapper/120:51:461
111391210,0ptp4l0-21swapper/100:37:101
111391210,0ptp4l0-21swapper/100:26:091
111391210,0ptp4l0-21swapper/019:30:100
111391210,0ptp4l0-21swapper/000:11:490
111391210,0ptp4l0-21swapper/000:05:320
111391200,3ptp4l0-21swapper/421:04:524
111391200,0ptp4l0-21swapper/720:59:137
111391200,0ptp4l0-21swapper/719:10:147
111391200,0ptp4l0-21swapper/700:31:367
111391200,0ptp4l0-21swapper/623:41:286
111391200,0ptp4l0-21swapper/622:51:126
111391200,0ptp4l0-21swapper/620:54:596
111391200,0ptp4l0-21swapper/522:56:005
111391200,0ptp4l0-21swapper/521:58:225
111391200,0ptp4l0-21swapper/520:51:365
111391200,0ptp4l0-21swapper/520:41:125
111391200,0ptp4l0-21swapper/519:46:185
111391200,0ptp4l0-21swapper/519:36:455
111391200,0ptp4l0-21swapper/519:11:305
111391200,0ptp4l0-21swapper/500:25:265
111391200,0ptp4l0-21swapper/419:43:194
111391200,0ptp4l0-21swapper/320:59:423
111391200,0ptp4l0-21swapper/222:51:102
111391200,0ptp4l0-21swapper/222:23:532
111391200,0ptp4l0-21swapper/221:48:282
111391200,0ptp4l0-21swapper/221:02:392
111391200,0ptp4l0-21swapper/123:40:451
111391200,0ptp4l0-21swapper/121:06:461
111391200,0ptp4l0-21swapper/119:44:301
111391200,0ptp4l0-21swapper/119:35:261
111391200,0ptp4l0-21swapper/119:15:441
111391200,0ptp4l0-21swapper/021:00:460
240512190,0sleep60-21swapper/600:36:036
111391190,0ptp4l0-21swapper/719:58:547
111391190,0ptp4l0-21swapper/522:17:085
111391190,0ptp4l0-21swapper/519:42:195
111391190,0ptp4l0-21swapper/322:54:203
111391190,0ptp4l0-21swapper/322:02:173
111391190,0ptp4l0-21swapper/320:22:543
111391190,0ptp4l0-21swapper/220:00:412
111391190,0ptp4l0-21swapper/219:22:192
111391190,0ptp4l0-21swapper/120:15:141
111391190,0ptp4l0-21swapper/119:49:091
111391190,0ptp4l0-21swapper/020:38:460
111391190,0ptp4l0-21swapper/019:44:550
111391180,0ptp4l0-21swapper/623:45:236
111391180,0ptp4l0-21swapper/622:49:406
111391180,0ptp4l0-21swapper/622:33:446
111391180,0ptp4l0-21swapper/520:09:455
111391180,0ptp4l0-21swapper/320:06:213
111391180,0ptp4l0-21swapper/319:25:563
111391180,0ptp4l0-21swapper/300:31:323
111391180,0ptp4l0-21swapper/223:45:252
111391180,0ptp4l0-21swapper/222:33:442
111391170,0ptp4l0-21swapper/521:08:475
111391170,0ptp4l0-21swapper/420:38:304
111391170,0ptp4l0-21swapper/222:49:402
111391170,0ptp4l0-21swapper/122:51:351
111391170,0ptp4l0-21swapper/120:55:231
111391170,0ptp4l0-21swapper/119:13:261
111391160,1ptp4l65-21ksoftirqd/620:37:136
111391160,0ptp4l0-21swapper/621:33:286
111391160,0ptp4l0-21swapper/620:00:416
111391160,0ptp4l0-21swapper/523:40:455
111391160,0ptp4l0-21swapper/520:26:235
111391160,0ptp4l0-21swapper/221:16:422
111391160,0ptp4l0-21swapper/219:54:192
111391160,0ptp4l0-21swapper/120:42:371
111391160,0ptp4l0-21swapper/120:11:591
111391160,0ptp4l0-21swapper/120:09:211
111391160,0ptp4l0-21swapper/119:50:111
111391160,0ptp4l0-21swapper/019:28:590
12139991513,1cyclictest0-21swapper/621:40:176
111391150,0ptp4l0-21swapper/722:27:347
111391150,0ptp4l0-21swapper/720:37:537
111391150,0ptp4l0-21swapper/720:21:577
111391150,0ptp4l0-21swapper/720:05:057
111391150,0ptp4l0-21swapper/719:50:467
111391150,0ptp4l0-21swapper/620:47:346
111391150,0ptp4l0-21swapper/620:24:486
111391150,0ptp4l0-21swapper/620:14:076
111391150,0ptp4l0-21swapper/620:07:176
111391150,0ptp4l0-21swapper/619:55:586
111391150,0ptp4l0-21swapper/619:42:526
111391150,0ptp4l0-21swapper/619:36:546
111391150,0ptp4l0-21swapper/619:22:296
111391150,0ptp4l0-21swapper/521:14:145
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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