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2026-05-18 - 05:07

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 May 18, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391730,4ptp4l0-21swapper/019:05:190
111391710,35ptp4l0-21swapper/119:06:001
111391650,16ptp4l481ktimersoftd/419:05:114
169792610,0sleep00-21swapper/019:55:210
169792610,0sleep00-21swapper/019:55:200
2599826050,6sleep70-21swapper/719:06:187
2614825949,6sleep20-21swapper/219:08:142
111391570,5ptp4l0-21swapper/519:09:105
149062560,2sleep42658199cyclictest21:49:464
111342560,0sleep40-21swapper/421:44:504
124792540,0sleep1241ktimersoftd/123:13:471
2617025332,6sleep60-21swapper/619:08:336
2596324736,7sleep30-21swapper/319:05:503
111391340,0ptp4l0-21swapper/023:50:170
111391320,0ptp4l0-21swapper/522:20:195
111391320,0ptp4l0-21swapper/422:28:564
111391320,0ptp4l0-21swapper/100:20:451
111391310,0ptp4l0-21swapper/423:40:154
111391310,0ptp4l0-21swapper/000:27:580
111391300,0ptp4l0-21swapper/119:10:161
111391300,0ptp4l0-21swapper/022:08:230
111391300,0ptp4l0-21swapper/021:46:120
111391300,0ptp4l0-21swapper/000:22:390
111391290,0ptp4l0-21swapper/521:33:275
111391290,0ptp4l0-21swapper/421:11:204
111391290,0ptp4l0-21swapper/320:55:143
111391290,0ptp4l0-21swapper/121:17:481
111391290,0ptp4l0-21swapper/119:25:121
111391290,0ptp4l0-21swapper/022:26:560
111391280,3ptp4l0-21swapper/000:07:300
111391280,0ptp4l0-21swapper/522:44:205
111391280,0ptp4l0-21swapper/422:55:114
111391280,0ptp4l0-21swapper/422:15:274
111391280,0ptp4l0-21swapper/422:10:564
111391280,0ptp4l0-21swapper/123:53:051
111391280,0ptp4l0-21swapper/019:40:170
111391270,3ptp4l0-21swapper/122:36:181
111391270,0ptp4l10499-21ssh00:39:571
111391270,0ptp4l0-21swapper/522:16:555
111391270,0ptp4l0-21swapper/521:43:215
111391270,0ptp4l0-21swapper/521:26:215
111391270,0ptp4l0-21swapper/519:50:185
111391270,0ptp4l0-21swapper/519:10:165
111391270,0ptp4l0-21swapper/423:31:444
111391270,0ptp4l0-21swapper/423:19:524
111391270,0ptp4l0-21swapper/423:09:054
111391270,0ptp4l0-21swapper/420:50:014
111391270,0ptp4l0-21swapper/419:15:234
111391270,0ptp4l0-21swapper/400:20:234
111391270,0ptp4l0-21swapper/122:09:421
111391270,0ptp4l0-21swapper/122:02:251
111391270,0ptp4l0-21swapper/023:21:560
111391270,0ptp4l0-21swapper/023:15:130
111391270,0ptp4l0-21swapper/022:53:150
111391270,0ptp4l0-21swapper/021:12:340
111391270,0ptp4l0-21swapper/000:34:180
111391260,0ptp4l17318-21diskmemload21:43:171
111391260,0ptp4l0-21swapper/523:11:295
111391260,0ptp4l0-21swapper/522:09:445
111391260,0ptp4l0-21swapper/423:23:424
111391260,0ptp4l0-21swapper/422:37:114
111391260,0ptp4l0-21swapper/421:53:244
111391260,0ptp4l0-21swapper/420:35:174
111391260,0ptp4l0-21swapper/122:30:331
111391260,0ptp4l0-21swapper/122:30:331
111391260,0ptp4l0-21swapper/121:25:411
111391260,0ptp4l0-21swapper/120:25:151
111391260,0ptp4l0-21swapper/023:35:360
111391260,0ptp4l0-21swapper/023:30:090
111391260,0ptp4l0-21swapper/022:45:260
111391260,0ptp4l0-21swapper/022:34:310
111391260,0ptp4l0-21swapper/022:34:300
111391260,0ptp4l0-21swapper/022:04:190
111391260,0ptp4l0-21swapper/021:58:030
111391260,0ptp4l0-21swapper/020:49:580
111391260,0ptp4l0-21swapper/000:04:330
111391250,7ptp4l0-21swapper/020:19:460
111391250,1ptp4l25448-21irqstats20:15:154
111391250,0ptp4l0-21swapper/523:54:045
111391250,0ptp4l0-21swapper/522:55:125
111391250,0ptp4l0-21swapper/500:15:125
111391250,0ptp4l0-21swapper/423:38:364
111391250,0ptp4l0-21swapper/423:04:444
111391250,0ptp4l0-21swapper/422:47:044
111391250,0ptp4l0-21swapper/421:56:354
111391250,0ptp4l0-21swapper/421:28:144
111391250,0ptp4l0-21swapper/419:30:204
111391250,0ptp4l0-21swapper/400:05:134
111391250,0ptp4l0-21swapper/123:41:211
111391250,0ptp4l0-21swapper/123:20:011
111391250,0ptp4l0-21swapper/122:53:271
111391250,0ptp4l0-21swapper/121:33:361
111391250,0ptp4l0-21swapper/119:45:001
111391250,0ptp4l0-21swapper/023:42:030
111391250,0ptp4l0-21swapper/022:56:210
111391250,0ptp4l0-21swapper/022:15:160
111391250,0ptp4l0-21swapper/022:14:290
111391250,0ptp4l0-21swapper/021:53:410
111391240,2ptp4l0-21swapper/022:38:540
111391240,1ptp4l25786-21diskstats21:20:134
111391240,1ptp4l23663-21sed20:10:194
111391240,1ptp4l13108-21/usr/sbin/munin21:00:161
111391240,1ptp4l12911-21munin-run23:15:004
111391240,0ptp4l16467-21cut22:35:095
111391240,0ptp4l0-21swapper/523:36:555
111391240,0ptp4l0-21swapper/523:00:185
111391240,0ptp4l0-21swapper/500:29:585
111391240,0ptp4l0-21swapper/423:28:514
111391240,0ptp4l0-21swapper/422:44:504
111391240,0ptp4l0-21swapper/422:05:164
111391240,0ptp4l0-21swapper/420:50:214
111391240,0ptp4l0-21swapper/123:58:091
111391240,0ptp4l0-21swapper/123:45:191
111391240,0ptp4l0-21swapper/122:20:461
111391240,0ptp4l0-21swapper/119:50:211
111391240,0ptp4l0-21swapper/023:55:170
111391240,0ptp4l0-21swapper/023:49:400
111391240,0ptp4l0-21swapper/022:23:000
111391240,0ptp4l0-21swapper/021:42:080
111391240,0ptp4l0-21swapper/019:35:210
111391240,0ptp4l0-21swapper/019:30:180
111391240,0ptp4l0-21swapper/019:25:140
111391230,3ptp4l241ktimersoftd/121:49:271
111391230,3ptp4l0-21swapper/100:14:211
111391230,1ptp4l7886-21irqstats00:35:150
111391230,1ptp4l17916-21date20:00:001
111391230,1ptp4l17318-21diskmemload00:37:044
111391230,1ptp4l1625-21sensors_temp21:30:190
111391230,1ptp4l12909-21hddtemp_smartct22:30:144
111391230,1ptp4l12909-21hddtemp_smartct22:30:144
111391230,0ptp4l23362-21ssh21:15:394
111391230,0ptp4l0-21swapper/620:05:206
111391230,0ptp4l0-21swapper/523:58:265
111391230,0ptp4l0-21swapper/523:05:135
111391230,0ptp4l0-21swapper/520:45:125
111391230,0ptp4l0-21swapper/519:25:115
111391230,0ptp4l0-21swapper/423:50:224
111391230,0ptp4l0-21swapper/422:53:194
111391230,0ptp4l0-21swapper/422:00:164
111391230,0ptp4l0-21swapper/421:35:184
111391230,0ptp4l0-21swapper/421:30:124
111391230,0ptp4l0-21swapper/421:00:134
111391230,0ptp4l0-21swapper/420:25:194
111391230,0ptp4l0-21swapper/419:55:164
111391230,0ptp4l0-21swapper/419:55:154
111391230,0ptp4l0-21swapper/419:45:194
111391230,0ptp4l0-21swapper/419:35:414
111391230,0ptp4l0-21swapper/419:25:154
111391230,0ptp4l0-21swapper/400:15:194
111391230,0ptp4l0-21swapper/400:10:134
111391230,0ptp4l0-21swapper/400:00:004
111391230,0ptp4l0-21swapper/319:20:173
111391230,0ptp4l0-21swapper/221:55:152
111391230,0ptp4l0-21swapper/220:05:142
111391230,0ptp4l0-21swapper/123:05:131
111391230,0ptp4l0-21swapper/122:15:141
111391230,0ptp4l0-21swapper/121:21:021
111391230,0ptp4l0-21swapper/120:50:121
111391230,0ptp4l0-21swapper/120:45:141
111391230,0ptp4l0-21swapper/120:30:151
111391230,0ptp4l0-21swapper/120:23:361
111391230,0ptp4l0-21swapper/120:12:401
111391230,0ptp4l0-21swapper/023:25:100
111391230,0ptp4l0-21swapper/023:14:360
111391230,0ptp4l0-21swapper/023:08:170
111391230,0ptp4l0-21swapper/023:00:210
111391230,0ptp4l0-21swapper/021:35:200
111391230,0ptp4l0-21swapper/021:20:410
111391230,0ptp4l0-21swapper/021:16:570
111391230,0ptp4l0-21swapper/021:05:210
111391230,0ptp4l0-21swapper/020:55:170
111391230,0ptp4l0-21swapper/020:50:200
111391230,0ptp4l0-21swapper/020:10:160
111391230,0ptp4l0-21swapper/019:50:130
111391230,0ptp4l0-21swapper/019:45:170
111391230,0ptp4l0-21swapper/019:15:190
111391230,0ptp4l0-21swapper/000:10:200
111391220,1ptp4l26660-21ssh23:32:181
111391220,0ptp4l0-21swapper/720:55:157
111391220,0ptp4l0-21swapper/719:20:017
111391220,0ptp4l0-21swapper/621:54:566
111391220,0ptp4l0-21swapper/621:28:196
111391220,0ptp4l0-21swapper/620:20:196
111391220,0ptp4l0-21swapper/523:45:215
111391220,0ptp4l0-21swapper/523:40:425
111391220,0ptp4l0-21swapper/523:32:035
111391220,0ptp4l0-21swapper/523:24:225
111391220,0ptp4l0-21swapper/523:19:565
111391220,0ptp4l0-21swapper/522:25:455
111391220,0ptp4l0-21swapper/522:02:185
111391220,0ptp4l0-21swapper/521:52:285
111391220,0ptp4l0-21swapper/521:48:485
111391220,0ptp4l0-21swapper/521:36:485
111391220,0ptp4l0-21swapper/521:06:155
111391220,0ptp4l0-21swapper/521:00:145
111391220,0ptp4l0-21swapper/520:50:175
111391220,0ptp4l0-21swapper/520:40:145
111391220,0ptp4l0-21swapper/520:30:165
111391220,0ptp4l0-21swapper/519:45:135
111391220,0ptp4l0-21swapper/500:38:465
111391220,0ptp4l0-21swapper/423:55:114
111391220,0ptp4l0-21swapper/423:47:324
111391220,0ptp4l0-21swapper/422:22:314
111391220,0ptp4l0-21swapper/421:04:594
111391220,0ptp4l0-21swapper/420:00:164
111391220,0ptp4l0-21swapper/419:40:204
111391220,0ptp4l0-21swapper/419:21:364
111391220,0ptp4l0-21swapper/400:30:164
111391220,0ptp4l0-21swapper/400:25:114
111391220,0ptp4l0-21swapper/223:37:012
111391220,0ptp4l0-21swapper/221:54:552
111391220,0ptp4l0-21swapper/221:48:252
111391220,0ptp4l0-21swapper/123:24:561
111391220,0ptp4l0-21swapper/122:55:171
111391220,0ptp4l0-21swapper/122:47:521
111391220,0ptp4l0-21swapper/122:44:141
111391220,0ptp4l0-21swapper/122:25:321
111391220,0ptp4l0-21swapper/121:56:431
111391220,0ptp4l0-21swapper/121:39:241
111391220,0ptp4l0-21swapper/121:10:571
111391220,0ptp4l0-21swapper/120:55:261
111391220,0ptp4l0-21swapper/120:40:121
111391220,0ptp4l0-21swapper/119:45:151
111391220,0ptp4l0-21swapper/100:25:141
111391220,0ptp4l0-21swapper/100:15:141
111391220,0ptp4l0-21swapper/022:40:130
111391220,0ptp4l0-21swapper/021:27:160
111391220,0ptp4l0-21swapper/020:35:130
111391220,0ptp4l0-21swapper/020:25:190
111391220,0ptp4l0-21swapper/020:20:150
111391220,0ptp4l0-21swapper/020:00:210
111391220,0ptp4l0-21swapper/000:15:140
111391210,0ptp4l57-21ksoftirqd/523:29:165
111391210,0ptp4l28192-21ssh22:05:302
111391210,0ptp4l0-21swapper/621:55:166
111391210,0ptp4l0-21swapper/600:04:206
111391210,0ptp4l0-21swapper/522:51:125
111391210,0ptp4l0-21swapper/522:33:155
111391210,0ptp4l0-21swapper/522:33:145
111391210,0ptp4l0-21swapper/521:21:105
111391210,0ptp4l0-21swapper/521:17:345
111391210,0ptp4l0-21swapper/521:11:005
111391210,0ptp4l0-21swapper/520:00:555
111391210,0ptp4l0-21swapper/519:33:355
111391210,0ptp4l0-21swapper/519:16:445
111391210,0ptp4l0-21swapper/500:34:375
111391210,0ptp4l0-21swapper/500:20:395
111391210,0ptp4l0-21swapper/500:12:085
111391210,0ptp4l0-21swapper/500:01:395
111391210,0ptp4l0-21swapper/420:05:394
111391210,0ptp4l0-21swapper/323:49:083
111391210,0ptp4l0-21swapper/322:39:503
111391210,0ptp4l0-21swapper/300:05:333
111391210,0ptp4l0-21swapper/220:20:202
111391210,0ptp4l0-21swapper/219:48:492
111391210,0ptp4l0-21swapper/200:36:002
111391210,0ptp4l0-21swapper/200:04:182
111391210,0ptp4l0-21swapper/123:35:231
111391210,0ptp4l0-21swapper/123:28:021
111391210,0ptp4l0-21swapper/123:03:331
111391210,0ptp4l0-21swapper/122:11:291
111391210,0ptp4l0-21swapper/121:51:031
111391210,0ptp4l0-21swapper/119:59:351
111391210,0ptp4l0-21swapper/119:59:351
111391210,0ptp4l0-21swapper/100:01:461
111391210,0ptp4l0-21swapper/021:00:310
111391200,3ptp4l0-21swapper/121:06:581
111391200,0ptp4l0-21swapper/722:39:467
111391200,0ptp4l0-21swapper/622:54:576
111391200,0ptp4l0-21swapper/622:27:086
111391200,0ptp4l0-21swapper/622:05:336
111391200,0ptp4l0-21swapper/600:06:246
111391200,0ptp4l0-21swapper/522:47:145
111391200,0ptp4l0-21swapper/522:11:265
111391200,0ptp4l0-21swapper/520:21:145
111391200,0ptp4l0-21swapper/520:08:555
111391200,0ptp4l0-21swapper/519:59:585
111391200,0ptp4l0-21swapper/519:59:585
111391200,0ptp4l0-21swapper/519:36:575
111391200,0ptp4l0-21swapper/222:54:552
111391200,0ptp4l0-21swapper/200:06:272
111391200,0ptp4l0-21swapper/100:33:321
111391200,0ptp4l0-21swapper/100:09:121
111391200,0ptp4l0-21swapper/020:30:410
111391190,3ptp4l0-21swapper/519:43:055
111391190,2ptp4l0-21swapper/520:56:595
111391190,1ptp4l27386-21df_inode20:20:144
111391190,0ptp4l0-21swapper/723:49:107
111391190,0ptp4l0-21swapper/720:53:587
111391190,0ptp4l0-21swapper/700:05:317
111391190,0ptp4l0-21swapper/623:43:576
111391190,0ptp4l0-21swapper/600:36:016
111391190,0ptp4l0-21swapper/521:56:365
111391190,0ptp4l0-21swapper/520:36:575
111391190,0ptp4l0-21swapper/520:27:415
111391190,0ptp4l0-21swapper/520:10:575
111391190,0ptp4l0-21swapper/519:24:575
111391190,0ptp4l0-21swapper/500:09:105
111391190,0ptp4l0-21swapper/420:40:414
111391190,0ptp4l0-21swapper/420:34:554
111391190,0ptp4l0-21swapper/419:50:154
111391190,0ptp4l0-21swapper/222:56:052
111391190,0ptp4l0-21swapper/222:33:022
111391190,0ptp4l0-21swapper/222:33:012
111391190,0ptp4l0-21swapper/220:35:402
111391190,0ptp4l0-21swapper/219:36:122
111391190,0ptp4l0-21swapper/120:16:571
111391190,0ptp4l0-21swapper/119:39:281
111391190,0ptp4l0-21swapper/020:40:590
111391190,0ptp4l0-21swapper/019:10:220
111391180,0ptp4l0-21swapper/622:33:056
111391180,0ptp4l0-21swapper/622:33:056
111391180,0ptp4l0-21swapper/621:41:176
111391180,0ptp4l0-21swapper/319:19:043
111391180,0ptp4l0-21swapper/222:13:032
111391180,0ptp4l0-21swapper/221:41:142
111391170,1ptp4l33-21ksoftirqd/221:28:192
111391170,0ptp4l0-21swapper/622:56:056
111391170,0ptp4l0-21swapper/621:48:236
111391170,0ptp4l0-21swapper/120:39:321
111391170,0ptp4l0-21swapper/120:08:201
2660499160,1cyclictest0-21swapper/722:15:227
111391160,0ptp4l0-21swapper/719:19:417
111391160,0ptp4l0-21swapper/623:37:016
111391160,0ptp4l0-21swapper/619:50:026
111391160,0ptp4l0-21swapper/420:59:554
111391160,0ptp4l0-21swapper/419:10:244
111391160,0ptp4l0-21swapper/200:14:332
111391160,0ptp4l0-21swapper/020:06:040
111391150,0ptp4l0-21swapper/623:23:476
111391150,0ptp4l0-21swapper/620:51:296
111391150,0ptp4l0-21swapper/620:35:426
111391150,0ptp4l0-21swapper/620:31:516
111391150,0ptp4l0-21swapper/620:10:516
111391150,0ptp4l0-21swapper/620:01:576
111391150,0ptp4l0-21swapper/619:49:536
111391150,0ptp4l0-21swapper/619:36:096
111391150,0ptp4l0-21swapper/600:13:056
111391150,0ptp4l0-21swapper/520:15:375
111391150,0ptp4l0-21swapper/320:54:253
111391150,0ptp4l0-21swapper/223:54:112
111391150,0ptp4l0-21swapper/220:51:262
111391150,0ptp4l0-21swapper/220:10:512
111391150,0ptp4l0-21swapper/220:01:582
111391150,0ptp4l0-21swapper/219:34:012
111391150,0ptp4l0-21swapper/119:32:221
111391150,0ptp4l0-21swapper/119:21:431
111391150,0ptp4l0-21swapper/119:15:561
111391150,0ptp4l0-21swapper/019:21:170
111391140,0ptp4l0-21swapper/719:46:117
111391140,0ptp4l0-21swapper/620:40:476
111391140,0ptp4l0-21swapper/620:25:536
111391140,0ptp4l0-21swapper/619:55:556
111391140,0ptp4l0-21swapper/619:55:546
111391140,0ptp4l0-21swapper/619:12:176
111391140,0ptp4l0-21swapper/319:46:093
111391140,0ptp4l0-21swapper/223:43:572
111391140,0ptp4l0-21swapper/223:23:482
111391140,0ptp4l0-21swapper/222:27:082
111391140,0ptp4l0-21swapper/220:57:542
111391140,0ptp4l0-21swapper/220:45:212
111391140,0ptp4l0-21swapper/220:40:452
111391140,0ptp4l0-21swapper/220:31:302
111391140,0ptp4l0-21swapper/220:25:522
111391140,0ptp4l0-21swapper/220:19:042
111391140,0ptp4l0-21swapper/219:55:542
111391140,0ptp4l0-21swapper/219:55:532
111391140,0ptp4l0-21swapper/219:50:032
111391140,0ptp4l0-21swapper/219:12:162
26568991311,1cyclictest27862-21munin-run00:20:002
26576991210,1cyclictest3059-21turbostat00:30:003
2660499110,1cyclictest1533-21processes21:30:187
2660499110,10cyclictest0-21swapper/722:42:077
2660499110,10cyclictest0-21swapper/722:14:097
2660499110,10cyclictest0-21swapper/721:12:517
2657699110,10cyclictest0-21swapper/322:46:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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