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2026-01-12 - 07:45

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 Jan 12, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
744521260,0sleep40-21swapper/421:40:214
111391640,31ptp4l0-21swapper/019:07:590
111391610,30ptp4l0-21swapper/119:09:001
2411926049,6sleep70-21swapper/719:07:587
111391600,5ptp4l0-21swapper/419:09:244
111391570,5ptp4l0-21swapper/519:09:055
2402425433,6sleep20-21swapper/219:06:492
2415524737,6sleep60-21swapper/619:08:306
2410724737,6sleep30-21swapper/319:07:553
111391400,0ptp4l0-21swapper/000:18:570
111391350,0ptp4l0-21swapper/521:05:115
111391310,0ptp4l0-21swapper/422:56:264
111391310,0ptp4l0-21swapper/421:15:184
111391310,0ptp4l0-21swapper/221:50:202
111391310,0ptp4l0-21swapper/122:27:101
111391310,0ptp4l0-21swapper/122:27:101
111391310,0ptp4l0-21swapper/023:15:450
111391310,0ptp4l0-21swapper/022:33:240
111391300,3ptp4l0-21swapper/021:10:140
111391300,1ptp4l2457299cyclictest22:10:134
111391300,0ptp4l0-21swapper/500:05:165
111391300,0ptp4l0-21swapper/423:43:014
111391300,0ptp4l0-21swapper/422:51:564
111391300,0ptp4l0-21swapper/421:10:354
111391300,0ptp4l0-21swapper/123:08:001
111391300,0ptp4l0-21swapper/000:34:460
111391290,0ptp4l0-21swapper/422:46:274
111391290,0ptp4l0-21swapper/422:44:594
111391290,0ptp4l0-21swapper/421:46:164
111391290,0ptp4l0-21swapper/023:05:170
111391290,0ptp4l0-21swapper/022:23:010
111391290,0ptp4l0-21swapper/022:23:010
111391290,0ptp4l0-21swapper/019:40:140
111391290,0ptp4l0-21swapper/000:35:160
111391290,0ptp4l0-21swapper/000:26:340
111391280,2ptp4l0-21swapper/400:02:484
111391280,2ptp4l0-21swapper/122:24:191
111391280,2ptp4l0-21swapper/122:24:191
111391280,0ptp4l0-21swapper/521:29:585
111391280,0ptp4l0-21swapper/423:52:484
111391280,0ptp4l0-21swapper/123:53:081
111391280,0ptp4l0-21swapper/123:42:291
111391280,0ptp4l0-21swapper/119:55:011
111391280,0ptp4l0-21swapper/023:59:300
111391280,0ptp4l0-21swapper/023:51:280
111391280,0ptp4l0-21swapper/023:46:130
111391280,0ptp4l0-21swapper/023:28:310
111391280,0ptp4l0-21swapper/023:01:080
111391280,0ptp4l0-21swapper/022:57:490
111391280,0ptp4l0-21swapper/022:06:310
111391280,0ptp4l0-21swapper/022:03:570
111391280,0ptp4l0-21swapper/000:09:580
111391270,2ptp4l0-21swapper/422:33:214
111391270,1ptp4l0-21swapper/622:50:216
111391270,0ptp4l0-21swapper/521:57:315
111391270,0ptp4l0-21swapper/123:26:271
111391270,0ptp4l0-21swapper/122:19:411
111391270,0ptp4l0-21swapper/122:12:091
111391270,0ptp4l0-21swapper/121:39:311
111391270,0ptp4l0-21swapper/023:31:310
111391270,0ptp4l0-21swapper/022:25:570
111391270,0ptp4l0-21swapper/022:25:570
111391270,0ptp4l0-21swapper/021:44:420
111391270,0ptp4l0-21swapper/000:02:090
111391260,4ptp4l0-21swapper/500:35:595
111391260,3ptp4l0-21swapper/022:16:350
111391260,0ptp4l0-21swapper/523:10:025
111391260,0ptp4l0-21swapper/423:45:144
111391260,0ptp4l0-21swapper/123:16:551
111391260,0ptp4l0-21swapper/100:28:501
111391260,0ptp4l0-21swapper/021:51:040
111391260,0ptp4l0-21swapper/021:27:020
111391260,0ptp4l0-21swapper/021:17:520
111391260,0ptp4l0-21swapper/020:19:440
111391260,0ptp4l0-21swapper/000:23:400
111391250,2ptp4l0-21swapper/522:08:415
111391250,1ptp4l8704-21/usr/sbin/munin19:44:594
111391250,1ptp4l2151-21latency_hist21:35:005
111391250,0ptp4l0-21swapper/522:19:345
111391250,0ptp4l0-21swapper/520:05:135
111391250,0ptp4l0-21swapper/520:00:135
111391250,0ptp4l0-21swapper/519:55:135
111391250,0ptp4l0-21swapper/423:35:464
111391250,0ptp4l0-21swapper/423:20:294
111391250,0ptp4l0-21swapper/422:37:244
111391250,0ptp4l0-21swapper/421:55:194
111391250,0ptp4l0-21swapper/421:25:004
111391250,0ptp4l0-21swapper/419:35:184
111391250,0ptp4l0-21swapper/400:25:124
111391250,0ptp4l0-21swapper/400:15:214
111391250,0ptp4l0-21swapper/400:10:154
111391250,0ptp4l0-21swapper/121:28:021
111391250,0ptp4l0-21swapper/121:21:511
111391250,0ptp4l0-21swapper/022:51:470
111391250,0ptp4l0-21swapper/022:35:180
111391250,0ptp4l0-21swapper/021:55:080
111391250,0ptp4l0-21swapper/019:25:150
111391240,2ptp4l0-21swapper/523:53:095
111391240,2ptp4l0-21swapper/023:35:290
111391240,1ptp4l6851-21diskstats22:25:134
111391240,1ptp4l6851-21diskstats22:25:134
111391240,1ptp4l2926-21strings20:40:180
111391240,1ptp4l11848-21load23:15:165
111391240,1ptp4l11114-21date19:50:015
111391240,1ptp4l11114-21date19:50:015
111391240,1ptp4l0-21swapper/122:56:461
111391240,1ptp4l0-21swapper/120:00:161
111391240,0ptp4l3966-21fw_conntrack23:05:134
111391240,0ptp4l15429-21diskmemload23:40:005
111391240,0ptp4l0-21swapper/622:04:366
111391240,0ptp4l0-21swapper/523:44:375
111391240,0ptp4l0-21swapper/520:30:125
111391240,0ptp4l0-21swapper/423:58:124
111391240,0ptp4l0-21swapper/422:20:134
111391240,0ptp4l0-21swapper/422:20:124
111391240,0ptp4l0-21swapper/421:50:094
111391240,0ptp4l0-21swapper/421:25:124
111391240,0ptp4l0-21swapper/420:05:194
111391240,0ptp4l0-21swapper/400:35:174
111391240,0ptp4l0-21swapper/123:33:121
111391240,0ptp4l0-21swapper/123:10:121
111391240,0ptp4l0-21swapper/122:00:381
111391240,0ptp4l0-21swapper/120:55:171
111391240,0ptp4l0-21swapper/120:05:141
111391240,0ptp4l0-21swapper/100:37:231
111391240,0ptp4l0-21swapper/021:45:140
111391240,0ptp4l0-21swapper/021:30:190
111391240,0ptp4l0-21swapper/021:20:110
111391240,0ptp4l0-21swapper/019:10:160
111391230,7ptp4l0-21swapper/420:28:354
111391230,1ptp4l321ktimersoftd/222:50:222
111391230,1ptp4l26458-21if_virbr000:20:154
111391230,1ptp4l15429-21diskmemload23:00:135
111391230,0ptp4l0-21swapper/723:25:177
111391230,0ptp4l0-21swapper/722:16:057
111391230,0ptp4l0-21swapper/523:23:145
111391230,0ptp4l0-21swapper/523:09:585
111391230,0ptp4l0-21swapper/522:58:375
111391230,0ptp4l0-21swapper/522:11:525
111391230,0ptp4l0-21swapper/522:01:465
111391230,0ptp4l0-21swapper/521:39:465
111391230,0ptp4l0-21swapper/520:55:135
111391230,0ptp4l0-21swapper/520:45:165
111391230,0ptp4l0-21swapper/520:35:185
111391230,0ptp4l0-21swapper/520:10:125
111391230,0ptp4l0-21swapper/500:12:255
111391230,0ptp4l0-21swapper/423:30:234
111391230,0ptp4l0-21swapper/423:26:464
111391230,0ptp4l0-21swapper/423:18:584
111391230,0ptp4l0-21swapper/422:15:144
111391230,0ptp4l0-21swapper/422:05:124
111391230,0ptp4l0-21swapper/422:04:294
111391230,0ptp4l0-21swapper/421:30:184
111391230,0ptp4l0-21swapper/421:05:174
111391230,0ptp4l0-21swapper/421:00:184
111391230,0ptp4l0-21swapper/420:20:114
111391230,0ptp4l0-21swapper/420:10:214
111391230,0ptp4l0-21swapper/419:30:194
111391230,0ptp4l0-21swapper/419:10:124
111391230,0ptp4l0-21swapper/400:30:094
111391230,0ptp4l0-21swapper/323:25:173
111391230,0ptp4l0-21swapper/123:48:141
111391230,0ptp4l0-21swapper/123:00:111
111391230,0ptp4l0-21swapper/122:54:551
111391230,0ptp4l0-21swapper/121:57:591
111391230,0ptp4l0-21swapper/121:48:531
111391230,0ptp4l0-21swapper/121:30:131
111391230,0ptp4l0-21swapper/120:30:161
111391230,0ptp4l0-21swapper/120:15:131
111391230,0ptp4l0-21swapper/119:50:131
111391230,0ptp4l0-21swapper/119:47:081
111391230,0ptp4l0-21swapper/119:47:071
111391230,0ptp4l0-21swapper/100:12:481
111391230,0ptp4l0-21swapper/100:05:171
111391230,0ptp4l0-21swapper/100:04:411
111391230,0ptp4l0-21swapper/023:22:550
111391230,0ptp4l0-21swapper/023:10:210
111391230,0ptp4l0-21swapper/022:45:170
111391230,0ptp4l0-21swapper/022:40:150
111391230,0ptp4l0-21swapper/021:38:540
111391230,0ptp4l0-21swapper/021:05:160
111391230,0ptp4l0-21swapper/021:00:140
111391230,0ptp4l0-21swapper/020:14:510
111391230,0ptp4l0-21swapper/020:05:150
111391230,0ptp4l0-21swapper/000:10:190
111391220,1ptp4l1068-21runrttasks21:39:514
111391220,0ptp4l15429-21diskmemload21:17:426
111391220,0ptp4l0-21swapper/623:56:156
111391220,0ptp4l0-21swapper/621:57:056
111391220,0ptp4l0-21swapper/600:35:466
111391220,0ptp4l0-21swapper/523:30:075
111391220,0ptp4l0-21swapper/523:25:475
111391220,0ptp4l0-21swapper/522:50:585
111391220,0ptp4l0-21swapper/522:31:535
111391220,0ptp4l0-21swapper/522:22:395
111391220,0ptp4l0-21swapper/522:22:395
111391220,0ptp4l0-21swapper/521:50:455
111391220,0ptp4l0-21swapper/521:43:115
111391220,0ptp4l0-21swapper/521:17:325
111391220,0ptp4l0-21swapper/520:23:085
111391220,0ptp4l0-21swapper/520:15:115
111391220,0ptp4l0-21swapper/519:50:155
111391220,0ptp4l0-21swapper/500:30:345
111391220,0ptp4l0-21swapper/500:15:405
111391220,0ptp4l0-21swapper/423:11:104
111391220,0ptp4l0-21swapper/423:00:084
111391220,0ptp4l0-21swapper/420:50:114
111391220,0ptp4l0-21swapper/420:40:184
111391220,0ptp4l0-21swapper/419:45:114
111391220,0ptp4l0-21swapper/419:45:114
111391220,0ptp4l0-21swapper/419:25:114
111391220,0ptp4l0-21swapper/419:20:184
111391220,0ptp4l0-21swapper/419:15:014
111391220,0ptp4l0-21swapper/400:05:464
111391220,0ptp4l0-21swapper/322:29:183
111391220,0ptp4l0-21swapper/322:29:183
111391220,0ptp4l0-21swapper/321:24:083
111391220,0ptp4l0-21swapper/223:56:142
111391220,0ptp4l0-21swapper/222:44:462
111391220,0ptp4l0-21swapper/222:04:552
111391220,0ptp4l0-21swapper/123:59:021
111391220,0ptp4l0-21swapper/123:38:181
111391220,0ptp4l0-21swapper/123:20:071
111391220,0ptp4l0-21swapper/121:15:121
111391220,0ptp4l0-21swapper/121:05:111
111391220,0ptp4l0-21swapper/121:04:021
111391220,0ptp4l0-21swapper/120:45:161
111391220,0ptp4l0-21swapper/120:35:191
111391220,0ptp4l0-21swapper/120:10:141
111391220,0ptp4l0-21swapper/119:42:111
111391220,0ptp4l0-21swapper/100:32:251
111391220,0ptp4l0-21swapper/023:40:550
111391220,0ptp4l0-21swapper/022:10:160
111391220,0ptp4l0-21swapper/020:50:130
111391220,0ptp4l0-21swapper/020:25:120
111391220,0ptp4l0-21swapper/020:20:200
111391220,0ptp4l0-21swapper/019:45:180
111391220,0ptp4l0-21swapper/019:45:180
111391220,0ptp4l0-21swapper/019:35:170
111391220,0ptp4l0-21swapper/019:30:000
111391220,0ptp4l0-21swapper/019:20:270
111391220,0ptp4l0-21swapper/019:15:250
111391210,0ptp4l0-21swapper/723:30:257
111391210,0ptp4l0-21swapper/722:38:137
111391210,0ptp4l0-21swapper/722:29:057
111391210,0ptp4l0-21swapper/722:29:057
111391210,0ptp4l0-21swapper/721:22:227
111391210,0ptp4l0-21swapper/623:33:016
111391210,0ptp4l0-21swapper/622:44:516
111391210,0ptp4l0-21swapper/621:10:466
111391210,0ptp4l0-21swapper/523:48:165
111391210,0ptp4l0-21swapper/522:49:195
111391210,0ptp4l0-21swapper/521:48:145
111391210,0ptp4l0-21swapper/521:21:075
111391210,0ptp4l0-21swapper/521:04:375
111391210,0ptp4l0-21swapper/520:51:445
111391210,0ptp4l0-21swapper/520:40:575
111391210,0ptp4l0-21swapper/520:26:465
111391210,0ptp4l0-21swapper/519:27:455
111391210,0ptp4l0-21swapper/519:17:465
111391210,0ptp4l0-21swapper/519:14:375
111391210,0ptp4l0-21swapper/500:29:175
111391210,0ptp4l0-21swapper/500:04:485
111391210,0ptp4l0-21swapper/420:58:584
111391210,0ptp4l0-21swapper/420:45:204
111391210,0ptp4l0-21swapper/420:15:194
111391210,0ptp4l0-21swapper/419:59:464
111391210,0ptp4l0-21swapper/322:38:103
111391210,0ptp4l0-21swapper/322:15:573
111391210,0ptp4l0-21swapper/122:48:501
111391210,0ptp4l0-21swapper/122:30:501
111391210,0ptp4l0-21swapper/122:07:381
111391210,0ptp4l0-21swapper/120:51:261
111391210,0ptp4l0-21swapper/119:15:301
111391210,0ptp4l0-21swapper/100:15:411
111391210,0ptp4l0-21swapper/020:45:190
111391200,2ptp4l0-21swapper/120:22:541
111391200,0ptp4l0-21swapper/622:59:536
111391200,0ptp4l0-21swapper/622:49:446
111391200,0ptp4l0-21swapper/621:50:346
111391200,0ptp4l0-21swapper/621:49:526
111391200,0ptp4l0-21swapper/522:25:085
111391200,0ptp4l0-21swapper/522:25:085
111391200,0ptp4l0-21swapper/521:12:525
111391200,0ptp4l0-21swapper/420:32:464
111391200,0ptp4l0-21swapper/223:33:002
111391200,0ptp4l0-21swapper/223:22:332
111391200,0ptp4l0-21swapper/222:59:502
111391200,0ptp4l0-21swapper/222:10:292
111391200,0ptp4l0-21swapper/221:49:512
111391200,0ptp4l0-21swapper/221:17:432
111391200,0ptp4l0-21swapper/200:19:042
111391200,0ptp4l0-21swapper/122:42:361
111391200,0ptp4l0-21swapper/121:54:351
111391200,0ptp4l0-21swapper/121:41:531
111391200,0ptp4l0-21swapper/121:11:221
111391200,0ptp4l0-21swapper/120:42:571
111391200,0ptp4l0-21swapper/119:34:131
111391200,0ptp4l0-21swapper/020:03:460
111391200,0ptp4l0-21swapper/019:50:150
111391190,0ptp4l0-21swapper/623:22:326
111391190,0ptp4l0-21swapper/621:43:436
111391190,0ptp4l0-21swapper/620:44:576
111391190,0ptp4l0-21swapper/600:19:126
111391190,0ptp4l0-21swapper/600:03:266
111391190,0ptp4l0-21swapper/420:37:584
111391190,0ptp4l0-21swapper/323:30:243
111391190,0ptp4l0-21swapper/222:17:482
111391190,0ptp4l0-21swapper/221:57:042
111391190,0ptp4l0-21swapper/221:43:422
111391190,0ptp4l0-21swapper/219:24:552
111391190,0ptp4l0-21swapper/200:03:252
111391180,0ptp4l0-21swapper/623:35:386
111391180,0ptp4l0-21swapper/622:17:566
111391180,0ptp4l0-21swapper/622:05:016
111391180,0ptp4l0-21swapper/619:21:266
111391180,0ptp4l0-21swapper/523:59:425
111391180,0ptp4l0-21swapper/522:43:505
111391180,0ptp4l0-21swapper/519:41:005
111391180,0ptp4l0-21swapper/420:04:474
111391180,0ptp4l0-21swapper/223:15:562
111391180,0ptp4l0-21swapper/122:36:511
111391180,0ptp4l0-21swapper/119:38:121
111391180,0ptp4l0-21swapper/119:20:141
111391180,0ptp4l0-21swapper/020:38:300
111391170,0ptp4l0-21swapper/222:49:502
111391170,0ptp4l0-21swapper/222:26:572
111391170,0ptp4l0-21swapper/222:26:572
111391170,0ptp4l0-21swapper/019:59:420
2458799160,2cyclictest14174-21munin-run23:20:016
111391160,0ptp4l0-21swapper/622:10:286
111391160,0ptp4l0-21swapper/619:31:576
111391160,0ptp4l0-21swapper/519:30:365
111391160,0ptp4l0-21swapper/519:21:195
111391160,0ptp4l0-21swapper/223:35:372
111391160,0ptp4l0-21swapper/221:10:472
111391160,0ptp4l0-21swapper/119:10:231
111391160,0ptp4l0-21swapper/100:21:161
111391150,0ptp4l0-21swapper/720:23:317
111391150,0ptp4l0-21swapper/622:26:586
111391150,0ptp4l0-21swapper/622:26:586
111391150,0ptp4l0-21swapper/621:07:126
111391150,0ptp4l0-21swapper/620:47:166
111391150,0ptp4l0-21swapper/620:33:216
111391150,0ptp4l0-21swapper/620:25:406
111391150,0ptp4l0-21swapper/619:26:106
111391150,0ptp4l0-21swapper/619:16:186
111391150,0ptp4l0-21swapper/522:39:335
111391150,0ptp4l0-21swapper/519:38:025
111391150,0ptp4l0-21swapper/419:51:324
111391150,0ptp4l0-21swapper/320:23:293
111391150,0ptp4l0-21swapper/222:05:042
111391150,0ptp4l0-21swapper/221:07:122
111391150,0ptp4l0-21swapper/220:45:072
111391150,0ptp4l0-21swapper/220:33:202
111391150,0ptp4l0-21swapper/219:57:222
111391150,0ptp4l0-21swapper/219:51:282
111391150,0ptp4l0-21swapper/219:37:162
111391150,0ptp4l0-21swapper/219:13:102
111391150,0ptp4l0-21swapper/120:26:191
111391150,0ptp4l0-21swapper/119:26:241
111391150,0ptp4l0-21swapper/020:58:430
111391150,0ptp4l0-21swapper/020:30:280
111391140,0ptp4l0-21swapper/720:39:437
111391140,0ptp4l0-21swapper/619:59:296
111391140,0ptp4l0-21swapper/619:51:296
111391140,0ptp4l0-21swapper/619:37:196
111391140,0ptp4l0-21swapper/619:13:146
111391140,0ptp4l0-21swapper/320:39:433
111391140,0ptp4l0-21swapper/223:46:282
111391140,0ptp4l0-21swapper/220:43:152
111391140,0ptp4l0-21swapper/220:25:392
111391140,0ptp4l0-21swapper/219:31:562
111391140,0ptp4l0-21swapper/219:26:092
2456799130,1cyclictest0-21swapper/320:50:143
123282130,1sleep7711rcuc/721:00:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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