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2026-01-11 - 10:16

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 Sun Jan 11, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391790,2ptp4l0-21swapper/119:05:151
325242640,1sleep233-21ksoftirqd/222:20:032
111391620,30ptp4l0-21swapper/019:05:490
1881916050,6phc2sys0-21swapper/419:09:454
2111925949,6sleep70-21swapper/719:06:027
111391590,6ptp4l0-21swapper/519:08:415
238372580,1sleep233-21ksoftirqd/219:15:012
2143425835,7sleep30-21swapper/319:09:573
2113225343,6sleep20-21swapper/219:06:122
254682510,0sleep50-21swapper/500:22:545
2120424736,6sleep60-21swapper/619:07:046
111391350,0ptp4l0-21swapper/000:35:200
111391320,0ptp4l0-21swapper/523:47:025
111391320,0ptp4l0-21swapper/523:09:525
111391320,0ptp4l0-21swapper/522:52:225
111391310,0ptp4l0-21swapper/522:35:215
111391310,0ptp4l0-21swapper/521:47:075
111391310,0ptp4l0-21swapper/119:55:011
111391310,0ptp4l0-21swapper/021:51:420
111391300,4ptp4l0-21swapper/523:50:495
111391300,1ptp4l12094-21ksmtuned21:50:301
111391300,0ptp4l0-21swapper/522:42:505
111391300,0ptp4l0-21swapper/222:45:112
111391300,0ptp4l0-21swapper/123:48:071
111391300,0ptp4l0-21swapper/121:18:561
111391290,0ptp4l0-21swapper/700:20:177
111391290,0ptp4l0-21swapper/523:00:185
111391290,0ptp4l0-21swapper/522:58:355
111391290,0ptp4l0-21swapper/422:16:004
111391290,0ptp4l0-21swapper/123:11:281
111391290,0ptp4l0-21swapper/121:20:151
111391280,2ptp4l0-21swapper/121:29:221
111391280,1ptp4l0-21swapper/122:04:561
111391280,0ptp4l0-21swapper/523:35:165
111391280,0ptp4l0-21swapper/523:27:565
111391280,0ptp4l0-21swapper/521:38:135
111391280,0ptp4l0-21swapper/520:49:295
111391280,0ptp4l0-21swapper/421:52:184
111391280,0ptp4l0-21swapper/222:31:342
111391280,0ptp4l0-21swapper/122:38:111
111391280,0ptp4l0-21swapper/121:36:031
111391280,0ptp4l0-21swapper/022:17:080
111391280,0ptp4l0-21swapper/000:17:120
111391270,0ptp4l0-21swapper/523:31:335
111391270,0ptp4l0-21swapper/523:10:285
111391270,0ptp4l0-21swapper/522:30:115
111391270,0ptp4l0-21swapper/522:15:225
111391270,0ptp4l0-21swapper/522:13:315
111391270,0ptp4l0-21swapper/522:01:185
111391270,0ptp4l0-21swapper/521:43:265
111391270,0ptp4l0-21swapper/500:25:215
111391270,0ptp4l0-21swapper/123:25:211
111391270,0ptp4l0-21swapper/122:19:551
111391270,0ptp4l0-21swapper/100:10:051
111391270,0ptp4l0-21swapper/100:10:051
111391270,0ptp4l0-21swapper/021:55:310
111391260,0ptp4l0-21swapper/522:25:175
111391260,0ptp4l0-21swapper/522:21:015
111391260,0ptp4l0-21swapper/522:09:565
111391260,0ptp4l0-21swapper/521:32:145
111391260,0ptp4l0-21swapper/521:32:145
111391260,0ptp4l0-21swapper/519:35:195
111391260,0ptp4l0-21swapper/500:05:415
111391260,0ptp4l0-21swapper/300:24:303
111391260,0ptp4l0-21swapper/200:15:312
111391260,0ptp4l0-21swapper/122:59:541
111391260,0ptp4l0-21swapper/121:58:351
111391260,0ptp4l0-21swapper/119:52:061
111391260,0ptp4l0-21swapper/119:25:101
111391260,0ptp4l0-21swapper/100:35:491
111391260,0ptp4l0-21swapper/023:12:100
111391250,2ptp4l0-21swapper/100:15:151
111391250,0ptp4l0-21swapper/523:55:425
111391250,0ptp4l0-21swapper/523:45:015
111391250,0ptp4l0-21swapper/523:15:185
111391250,0ptp4l0-21swapper/521:13:405
111391250,0ptp4l0-21swapper/521:00:205
111391250,0ptp4l0-21swapper/520:50:195
111391250,0ptp4l0-21swapper/519:25:005
111391250,0ptp4l0-21swapper/500:32:205
111391250,0ptp4l0-21swapper/123:43:481
111391250,0ptp4l0-21swapper/122:50:211
111391250,0ptp4l0-21swapper/122:43:001
111391250,0ptp4l0-21swapper/122:11:341
111391250,0ptp4l0-21swapper/121:40:131
111391250,0ptp4l0-21swapper/121:10:421
111391250,0ptp4l0-21swapper/120:45:001
111391250,0ptp4l0-21swapper/120:25:291
111391250,0ptp4l0-21swapper/120:11:291
111391250,0ptp4l0-21swapper/100:33:261
111391250,0ptp4l0-21swapper/100:28:211
111391250,0ptp4l0-21swapper/100:22:151
111391250,0ptp4l0-21swapper/021:17:480
111391250,0ptp4l0-21swapper/020:10:220
111391240,1ptp4l9346-21hddtemp_smartct00:00:121
111391240,1ptp4l13485-21memory00:05:171
111391240,1ptp4l0-21swapper/400:15:264
111391240,0ptp4l0-21swapper/623:55:126
111391240,0ptp4l0-21swapper/522:45:275
111391240,0ptp4l0-21swapper/520:55:195
111391240,0ptp4l0-21swapper/520:05:215
111391240,0ptp4l0-21swapper/519:53:525
111391240,0ptp4l0-21swapper/519:30:115
111391240,0ptp4l0-21swapper/500:35:345
111391240,0ptp4l0-21swapper/500:10:185
111391240,0ptp4l0-21swapper/500:10:175
111391240,0ptp4l0-21swapper/500:04:325
111391240,0ptp4l0-21swapper/423:52:554
111391240,0ptp4l0-21swapper/320:42:293
111391240,0ptp4l0-21swapper/223:55:122
111391240,0ptp4l0-21swapper/123:50:151
111391240,0ptp4l0-21swapper/123:00:111
111391240,0ptp4l0-21swapper/122:30:181
111391240,0ptp4l0-21swapper/122:21:181
111391240,0ptp4l0-21swapper/120:45:141
111391240,0ptp4l0-21swapper/119:20:091
111391230,1ptp4l6403-21expr19:45:105
111391230,1ptp4l30288-21tr19:25:175
111391230,1ptp4l13886-21latency20:00:165
111391230,0ptp4l0-21swapper/721:15:177
111391230,0ptp4l0-21swapper/721:14:587
111391230,0ptp4l0-21swapper/700:25:137
111391230,0ptp4l0-21swapper/622:21:366
111391230,0ptp4l0-21swapper/521:55:205
111391230,0ptp4l0-21swapper/521:50:205
111391230,0ptp4l0-21swapper/521:25:135
111391230,0ptp4l0-21swapper/521:20:195
111391230,0ptp4l0-21swapper/521:18:045
111391230,0ptp4l0-21swapper/521:05:155
111391230,0ptp4l0-21swapper/520:32:305
111391230,0ptp4l0-21swapper/520:25:155
111391230,0ptp4l0-21swapper/520:10:175
111391230,0ptp4l0-21swapper/519:10:105
111391230,0ptp4l0-21swapper/500:15:205
111391230,0ptp4l0-21swapper/423:30:224
111391230,0ptp4l0-21swapper/422:55:194
111391230,0ptp4l0-21swapper/422:05:124
111391230,0ptp4l0-21swapper/421:16:254
111391230,0ptp4l0-21swapper/420:50:124
111391230,0ptp4l0-21swapper/419:15:014
111391230,0ptp4l0-21swapper/321:14:543
111391230,0ptp4l0-21swapper/300:25:163
111391230,0ptp4l0-21swapper/221:15:312
111391230,0ptp4l0-21swapper/123:35:141
111391230,0ptp4l0-21swapper/123:20:141
111391230,0ptp4l0-21swapper/123:15:121
111391230,0ptp4l0-21swapper/122:25:161
111391230,0ptp4l0-21swapper/121:49:281
111391230,0ptp4l0-21swapper/121:30:141
111391230,0ptp4l0-21swapper/121:30:131
111391230,0ptp4l0-21swapper/121:00:141
111391230,0ptp4l0-21swapper/120:55:111
111391230,0ptp4l0-21swapper/120:50:171
111391230,0ptp4l0-21swapper/120:35:191
111391230,0ptp4l0-21swapper/120:30:121
111391230,0ptp4l0-21swapper/120:20:001
111391230,0ptp4l0-21swapper/119:45:011
111391230,0ptp4l0-21swapper/119:30:131
111391230,0ptp4l0-21swapper/119:20:011
111391230,0ptp4l0-21swapper/023:30:200
111391230,0ptp4l0-21swapper/022:36:470
111391230,0ptp4l0-21swapper/022:30:190
111391230,0ptp4l0-21swapper/021:00:230
111391230,0ptp4l0-21swapper/019:40:010
111391230,0ptp4l0-21swapper/019:15:140
111391230,0ptp4l0-21swapper/019:15:000
111391230,0ptp4l0-21swapper/000:28:330
111391230,0ptp4l0-21swapper/000:10:120
111391230,0ptp4l0-21swapper/000:10:110
111391220,1ptp4l27508-21ssh22:12:300
111391220,0ptp4l0-21swapper/721:21:037
111391220,0ptp4l0-21swapper/623:02:366
111391220,0ptp4l0-21swapper/622:13:236
111391220,0ptp4l0-21swapper/621:55:016
111391220,0ptp4l0-21swapper/600:15:376
111391220,0ptp4l0-21swapper/523:20:125
111391220,0ptp4l0-21swapper/520:40:145
111391220,0ptp4l0-21swapper/520:35:105
111391220,0ptp4l0-21swapper/520:20:005
111391220,0ptp4l0-21swapper/519:40:205
111391220,0ptp4l0-21swapper/519:15:105
111391220,0ptp4l0-21swapper/423:44:584
111391220,0ptp4l0-21swapper/423:25:424
111391220,0ptp4l0-21swapper/423:13:224
111391220,0ptp4l0-21swapper/422:49:054
111391220,0ptp4l0-21swapper/422:36:054
111391220,0ptp4l0-21swapper/422:34:324
111391220,0ptp4l0-21swapper/421:43:374
111391220,0ptp4l0-21swapper/421:35:184
111391220,0ptp4l0-21swapper/421:26:184
111391220,0ptp4l0-21swapper/421:10:184
111391220,0ptp4l0-21swapper/419:35:014
111391220,0ptp4l0-21swapper/400:35:204
111391220,0ptp4l0-21swapper/400:12:244
111391220,0ptp4l0-21swapper/400:12:234
111391220,0ptp4l0-21swapper/323:45:143
111391220,0ptp4l0-21swapper/322:57:263
111391220,0ptp4l0-21swapper/321:15:153
111391220,0ptp4l0-21swapper/221:12:352
111391220,0ptp4l0-21swapper/219:46:172
111391220,0ptp4l0-21swapper/123:55:021
111391220,0ptp4l0-21swapper/123:30:061
111391220,0ptp4l0-21swapper/123:05:091
111391220,0ptp4l0-21swapper/122:45:191
111391220,0ptp4l0-21swapper/122:05:021
111391220,0ptp4l0-21swapper/121:05:111
111391220,0ptp4l0-21swapper/120:20:121
111391220,0ptp4l0-21swapper/120:05:141
111391220,0ptp4l0-21swapper/120:00:131
111391220,0ptp4l0-21swapper/119:45:111
111391220,0ptp4l0-21swapper/119:35:121
111391220,0ptp4l0-21swapper/119:10:101
111391220,0ptp4l0-21swapper/023:50:100
111391220,0ptp4l0-21swapper/023:43:050
111391220,0ptp4l0-21swapper/023:20:230
111391220,0ptp4l0-21swapper/023:18:240
111391220,0ptp4l0-21swapper/023:00:110
111391220,0ptp4l0-21swapper/022:56:390
111391220,0ptp4l0-21swapper/022:45:420
111391220,0ptp4l0-21swapper/022:40:150
111391220,0ptp4l0-21swapper/022:06:140
111391220,0ptp4l0-21swapper/022:00:130
111391220,0ptp4l0-21swapper/021:40:560
111391220,0ptp4l0-21swapper/021:35:190
111391220,0ptp4l0-21swapper/021:10:190
111391220,0ptp4l0-21swapper/020:50:130
111391220,0ptp4l0-21swapper/020:40:120
111391220,0ptp4l0-21swapper/020:35:190
111391220,0ptp4l0-21swapper/019:50:190
111391220,0ptp4l0-21swapper/019:25:120
111391210,0ptp4l0-21swapper/720:17:137
111391210,0ptp4l0-21swapper/623:23:556
111391210,0ptp4l0-21swapper/622:31:416
111391210,0ptp4l0-21swapper/621:26:216
111391210,0ptp4l0-21swapper/520:15:145
111391210,0ptp4l0-21swapper/519:55:125
111391210,0ptp4l0-21swapper/423:49:414
111391210,0ptp4l0-21swapper/423:35:134
111391210,0ptp4l0-21swapper/423:16:054
111391210,0ptp4l0-21swapper/422:41:154
111391210,0ptp4l0-21swapper/422:28:164
111391210,0ptp4l0-21swapper/422:02:114
111391210,0ptp4l0-21swapper/421:56:444
111391210,0ptp4l0-21swapper/421:30:434
111391210,0ptp4l0-21swapper/421:30:424
111391210,0ptp4l0-21swapper/421:09:574
111391210,0ptp4l0-21swapper/400:31:144
111391210,0ptp4l0-21swapper/400:25:194
111391210,0ptp4l0-21swapper/321:21:013
111391210,0ptp4l0-21swapper/223:07:522
111391210,0ptp4l0-21swapper/223:00:462
111391210,0ptp4l0-21swapper/221:08:302
111391210,0ptp4l0-21swapper/023:46:310
111391210,0ptp4l0-21swapper/023:39:440
111391210,0ptp4l0-21swapper/023:26:530
111391210,0ptp4l0-21swapper/022:53:210
111391210,0ptp4l0-21swapper/022:22:130
111391210,0ptp4l0-21swapper/021:32:590
111391210,0ptp4l0-21swapper/021:32:590
111391210,0ptp4l0-21swapper/020:59:550
111391210,0ptp4l0-21swapper/020:00:220
111391210,0ptp4l0-21swapper/000:30:300
111391200,1ptp4l30595-21basename23:45:137
111391200,0ptp4l0-21swapper/722:57:287
111391200,0ptp4l0-21swapper/720:42:177
111391200,0ptp4l0-21swapper/622:45:106
111391200,0ptp4l0-21swapper/621:38:386
111391200,0ptp4l0-21swapper/423:57:014
111391200,0ptp4l0-21swapper/422:12:364
111391200,0ptp4l0-21swapper/222:25:182
111391200,0ptp4l0-21swapper/222:16:062
111391200,0ptp4l0-21swapper/222:13:192
111391200,0ptp4l0-21swapper/222:07:372
111391200,0ptp4l0-21swapper/023:57:010
111391200,0ptp4l0-21swapper/022:29:410
111391200,0ptp4l0-21swapper/021:46:160
111391200,0ptp4l0-21swapper/000:07:540
111391200,0ptp4l0-21swapper/000:01:220
111391190,0ptp4l0-21swapper/621:08:496
111391190,0ptp4l0-21swapper/600:08:526
111391190,0ptp4l0-21swapper/423:20:404
111391190,0ptp4l0-21swapper/423:00:504
111391190,0ptp4l0-21swapper/422:54:354
111391190,0ptp4l0-21swapper/422:20:204
111391190,0ptp4l0-21swapper/400:02:214
111391190,0ptp4l0-21swapper/320:17:163
111391190,0ptp4l0-21swapper/223:24:042
111391190,0ptp4l0-21swapper/221:35:372
111391190,0ptp4l0-21swapper/221:34:472
111391190,0ptp4l0-21swapper/221:34:462
111391190,0ptp4l0-21swapper/023:08:010
111391190,0ptp4l0-21swapper/021:25:260
111391180,0ptp4l0-21swapper/722:44:147
111391180,0ptp4l0-21swapper/623:07:196
111391180,0ptp4l0-21swapper/621:55:026
111391180,0ptp4l0-21swapper/423:09:404
111391180,0ptp4l0-21swapper/421:48:404
111391180,0ptp4l0-21swapper/400:05:064
111391180,0ptp4l0-21swapper/223:51:212
111391180,0ptp4l0-21swapper/221:26:202
111391180,0ptp4l0-21swapper/200:08:482
111391170,0ptp4l0-21swapper/623:51:226
111391170,0ptp4l0-21swapper/221:55:032
111391170,0ptp4l0-21swapper/021:24:240
111391170,0ptp4l0-21swapper/000:23:030
21750991612,3cyclictest2561-21munin-run21:40:017
111391160,0ptp4l0-21swapper/420:36:324
111391160,0ptp4l0-21swapper/420:24:034
111391160,0ptp4l0-21swapper/420:19:354
111391160,0ptp4l0-21swapper/322:44:113
111391160,0ptp4l0-21swapper/020:47:330
111391160,0ptp4l0-21swapper/020:21:580
111391160,0ptp4l0-21swapper/019:35:070
111391150,0ptp4l33-21ksoftirqd/220:37:432
111391150,0ptp4l0-21swapper/621:12:366
111391150,0ptp4l0-21swapper/620:52:186
111391150,0ptp4l0-21swapper/620:41:546
111391150,0ptp4l0-21swapper/620:37:456
111391150,0ptp4l0-21swapper/620:26:566
111391150,0ptp4l0-21swapper/620:00:366
111391150,0ptp4l0-21swapper/619:46:206
111391150,0ptp4l0-21swapper/619:30:376
111391150,0ptp4l0-21swapper/421:01:484
111391150,0ptp4l0-21swapper/420:46:504
111391150,0ptp4l0-21swapper/420:31:484
111391150,0ptp4l0-21swapper/420:13:324
111391150,0ptp4l0-21swapper/420:05:024
111391150,0ptp4l0-21swapper/420:00:224
111391150,0ptp4l0-21swapper/419:56:534
111391150,0ptp4l0-21swapper/419:51:414
111391150,0ptp4l0-21swapper/419:47:074
111391150,0ptp4l0-21swapper/419:41:204
111391150,0ptp4l0-21swapper/419:32:204
111391150,0ptp4l0-21swapper/419:26:294
111391150,0ptp4l0-21swapper/419:22:384
111391150,0ptp4l0-21swapper/220:48:592
111391150,0ptp4l0-21swapper/220:41:532
111391150,0ptp4l0-21swapper/219:30:362
111391150,0ptp4l0-21swapper/200:30:272
111391150,0ptp4l0-21swapper/021:06:390
111391150,0ptp4l0-21swapper/020:30:230
111391150,0ptp4l0-21swapper/020:27:480
111391150,0ptp4l0-21swapper/020:17:440
111391150,0ptp4l0-21swapper/020:06:170
111391150,0ptp4l0-21swapper/019:56:510
111391150,0ptp4l0-21swapper/019:46:150
111391150,0ptp4l0-21swapper/019:32:190
111391150,0ptp4l0-21swapper/019:20:290
21716991412,1cyclictest0-21swapper/223:10:152
111391140,0ptp4l0-21swapper/622:07:386
111391140,0ptp4l0-21swapper/620:48:596
111391140,0ptp4l0-21swapper/619:39:116
111391140,0ptp4l0-21swapper/420:55:274
111391140,0ptp4l0-21swapper/420:41:504
111391140,0ptp4l0-21swapper/420:29:184
111391140,0ptp4l0-21swapper/419:10:304
111391140,0ptp4l0-21swapper/400:23:044
111391140,0ptp4l0-21swapper/220:52:162
111391140,0ptp4l0-21swapper/220:26:532
111391140,0ptp4l0-21swapper/220:00:372
111391140,0ptp4l0-21swapper/219:39:112
186291130,2getstats0-21swapper/620:20:226
2175099120,10cyclictest0-21swapper/722:39:337
2175099109,0cyclictest0-21swapper/723:52:107
2175099109,0cyclictest0-21swapper/723:29:047
2175099109,0cyclictest0-21swapper/721:43:277
2175099109,0cyclictest0-21swapper/700:09:467
2175099109,0cyclictest0-21swapper/700:01:467
2175099100,9cyclictest0-21swapper/722:29:497
2175099100,9cyclictest0-21swapper/722:24:577
2175099100,9cyclictest0-21swapper/722:05:467
2175099100,9cyclictest0-21swapper/721:56:587
2175099100,9cyclictest0-21swapper/720:27:347
2175099100,0cyclictest0-21swapper/723:23:067
2175099100,0cyclictest0-21swapper/723:04:147
2175099100,0cyclictest0-21swapper/700:36:197
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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