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2026-04-20 - 07:34

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 Apr 20, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391680,5ptp4l0-21swapper/419:07:164
228312660,0sleep70-21swapper/700:15:177
111391630,5ptp4l0-21swapper/019:05:040
49222620,0sleep10-21swapper/123:03:111
1881915633,7phc2sys0-21swapper/119:05:081
3018025432,7sleep30-21swapper/319:07:563
3006425432,7sleep60-21swapper/619:06:306
113532540,0sleep233-21ksoftirqd/223:59:102
3026625241,6sleep70-21swapper/719:09:047
3022425240,7sleep20-21swapper/219:08:352
3017124635,7sleep50-21swapper/519:07:505
111391350,0ptp4l0-21swapper/020:10:180
111391350,0ptp4l0-21swapper/020:00:180
111391330,0ptp4l0-21swapper/422:42:244
111391330,0ptp4l0-21swapper/421:24:364
111391330,0ptp4l0-21swapper/420:00:204
111391330,0ptp4l0-21swapper/023:57:530
111391330,0ptp4l0-21swapper/021:47:540
111391330,0ptp4l0-21swapper/000:29:220
111391320,0ptp4l0-21swapper/422:18:084
111391320,0ptp4l0-21swapper/023:35:540
111391320,0ptp4l0-21swapper/000:22:460
111391310,3ptp4l0-21swapper/022:18:010
111391310,0ptp4l0-21swapper/423:53:574
111391310,0ptp4l0-21swapper/423:46:164
111391310,0ptp4l0-21swapper/423:21:324
111391310,0ptp4l0-21swapper/419:50:184
111391310,0ptp4l0-21swapper/400:19:434
111391300,2ptp4l0-21swapper/000:30:230
111391300,1ptp4l0-21swapper/421:41:394
111391300,1ptp4l0-21swapper/021:50:420
111391300,1ptp4l0-21swapper/021:14:480
111391300,0ptp4l0-21swapper/521:46:485
111391300,0ptp4l0-21swapper/423:13:594
111391300,0ptp4l0-21swapper/422:20:584
111391300,0ptp4l0-21swapper/023:19:220
111391300,0ptp4l0-21swapper/021:30:310
111391300,0ptp4l0-21swapper/020:40:140
111391290,5ptp4l0-21swapper/421:10:264
111391290,0ptp4l0-21swapper/520:30:185
111391290,0ptp4l0-21swapper/423:33:564
111391290,0ptp4l0-21swapper/422:53:014
111391290,0ptp4l0-21swapper/400:29:234
111391290,0ptp4l0-21swapper/400:04:144
111391290,0ptp4l0-21swapper/023:11:350
111391290,0ptp4l0-21swapper/000:12:400
111391280,3ptp4l0-21swapper/000:09:040
111391280,3ptp4l0-21swapper/000:00:020
111391280,0ptp4l0-21swapper/423:55:554
111391280,0ptp4l0-21swapper/422:30:434
111391280,0ptp4l0-21swapper/421:50:334
111391280,0ptp4l0-21swapper/400:31:384
111391280,0ptp4l0-21swapper/400:06:004
111391280,0ptp4l0-21swapper/023:33:060
111391280,0ptp4l0-21swapper/022:46:080
111391280,0ptp4l0-21swapper/021:40:340
111391270,0ptp4l0-21swapper/523:39:595
111391270,0ptp4l0-21swapper/423:36:434
111391270,0ptp4l0-21swapper/423:27:594
111391270,0ptp4l0-21swapper/421:35:244
111391270,0ptp4l0-21swapper/022:57:390
111391270,0ptp4l0-21swapper/022:32:260
111391270,0ptp4l0-21swapper/022:12:090
111391270,0ptp4l0-21swapper/022:07:590
111391260,0ptp4l0-21swapper/621:43:216
111391260,0ptp4l0-21swapper/422:56:134
111391260,0ptp4l0-21swapper/023:28:040
111391260,0ptp4l0-21swapper/022:37:140
111391260,0ptp4l0-21swapper/022:25:590
111391260,0ptp4l0-21swapper/022:25:000
111391260,0ptp4l0-21swapper/021:58:360
111391260,0ptp4l0-21swapper/021:29:460
111391260,0ptp4l0-21swapper/020:05:450
111391250,2ptp4l0-21swapper/423:42:254
111391250,2ptp4l0-21swapper/423:42:254
111391250,0ptp4l0-21swapper/523:47:475
111391250,0ptp4l0-21swapper/523:33:405
111391250,0ptp4l0-21swapper/522:48:595
111391250,0ptp4l0-21swapper/520:25:005
111391250,0ptp4l0-21swapper/519:15:115
111391250,0ptp4l0-21swapper/500:20:165
111391250,0ptp4l0-21swapper/423:05:144
111391250,0ptp4l0-21swapper/421:58:274
111391250,0ptp4l0-21swapper/421:31:154
111391250,0ptp4l0-21swapper/421:19:384
111391250,0ptp4l0-21swapper/420:15:284
111391250,0ptp4l0-21swapper/400:20:514
111391250,0ptp4l0-21swapper/119:30:171
111391250,0ptp4l0-21swapper/023:51:090
111391250,0ptp4l0-21swapper/023:48:110
111391250,0ptp4l0-21swapper/020:53:270
111391250,0ptp4l0-21swapper/020:45:170
111391250,0ptp4l0-21swapper/019:21:100
111391250,0ptp4l0-21swapper/000:39:150
111391240,1ptp4l4292-21irqstats19:20:162
111391240,1ptp4l20943-21hddtemp_smartct22:40:150
111391240,1ptp4l15129-21df_inode20:55:130
111391240,0ptp4l0-21swapper/522:55:445
111391240,0ptp4l0-21swapper/521:05:175
111391240,0ptp4l0-21swapper/519:48:135
111391240,0ptp4l0-21swapper/422:45:194
111391240,0ptp4l0-21swapper/422:36:234
111391240,0ptp4l0-21swapper/422:25:144
111391240,0ptp4l0-21swapper/421:45:144
111391240,0ptp4l0-21swapper/420:10:174
111391240,0ptp4l0-21swapper/400:13:174
111391240,0ptp4l0-21swapper/222:09:562
111391240,0ptp4l0-21swapper/220:55:162
111391240,0ptp4l0-21swapper/120:30:161
111391240,0ptp4l0-21swapper/023:02:310
111391240,0ptp4l0-21swapper/021:35:200
111391240,0ptp4l0-21swapper/021:17:170
111391240,0ptp4l0-21swapper/020:29:060
111391240,0ptp4l0-21swapper/019:55:210
111391240,0ptp4l0-21swapper/019:12:540
111391240,0ptp4l0-21swapper/000:15:330
111391230,1ptp4l32700-21/usr/sbin/munin20:20:220
111391230,0ptp4l0-21swapper/623:15:116
111391230,0ptp4l0-21swapper/619:40:136
111391230,0ptp4l0-21swapper/523:55:295
111391230,0ptp4l0-21swapper/523:20:215
111391230,0ptp4l0-21swapper/522:30:135
111391230,0ptp4l0-21swapper/522:15:135
111391230,0ptp4l0-21swapper/522:10:125
111391230,0ptp4l0-21swapper/521:55:155
111391230,0ptp4l0-21swapper/520:25:135
111391230,0ptp4l0-21swapper/520:05:205
111391230,0ptp4l0-21swapper/519:55:145
111391230,0ptp4l0-21swapper/519:35:145
111391230,0ptp4l0-21swapper/519:30:145
111391230,0ptp4l0-21swapper/423:15:154
111391230,0ptp4l0-21swapper/423:00:194
111391230,0ptp4l0-21swapper/422:13:544
111391230,0ptp4l0-21swapper/422:05:184
111391230,0ptp4l0-21swapper/422:04:574
111391230,0ptp4l0-21swapper/421:25:094
111391230,0ptp4l0-21swapper/421:05:144
111391230,0ptp4l0-21swapper/421:00:174
111391230,0ptp4l0-21swapper/421:00:174
111391230,0ptp4l0-21swapper/420:55:124
111391230,0ptp4l0-21swapper/420:40:114
111391230,0ptp4l0-21swapper/420:35:194
111391230,0ptp4l0-21swapper/420:33:424
111391230,0ptp4l0-21swapper/419:39:354
111391230,0ptp4l0-21swapper/419:25:134
111391230,0ptp4l0-21swapper/419:15:184
111391230,0ptp4l0-21swapper/419:10:114
111391230,0ptp4l0-21swapper/400:35:224
111391230,0ptp4l0-21swapper/219:40:132
111391230,0ptp4l0-21swapper/123:40:011
111391230,0ptp4l0-21swapper/122:15:121
111391230,0ptp4l0-21swapper/122:10:121
111391230,0ptp4l0-21swapper/122:00:151
111391230,0ptp4l0-21swapper/121:25:171
111391230,0ptp4l0-21swapper/120:15:121
111391230,0ptp4l0-21swapper/119:55:141
111391230,0ptp4l0-21swapper/119:20:121
111391230,0ptp4l0-21swapper/119:15:131
111391230,0ptp4l0-21swapper/100:20:171
111391230,0ptp4l0-21swapper/023:40:160
111391230,0ptp4l0-21swapper/023:40:150
111391230,0ptp4l0-21swapper/023:22:360
111391230,0ptp4l0-21swapper/022:51:380
111391230,0ptp4l0-21swapper/021:20:130
111391230,0ptp4l0-21swapper/021:07:260
111391230,0ptp4l0-21swapper/021:00:200
111391230,0ptp4l0-21swapper/021:00:190
111391230,0ptp4l0-21swapper/020:39:320
111391230,0ptp4l0-21swapper/020:30:200
111391230,0ptp4l0-21swapper/019:50:140
111391230,0ptp4l0-21swapper/019:45:110
111391230,0ptp4l0-21swapper/019:41:370
111391230,0ptp4l0-21swapper/019:25:170
111391230,0ptp4l0-21swapper/019:15:200
111391220,3ptp4l641ktimersoftd/620:05:336
111391220,0ptp4l0-21swapper/622:09:496
111391220,0ptp4l0-21swapper/600:24:576
111391220,0ptp4l0-21swapper/523:40:475
111391220,0ptp4l0-21swapper/523:40:465
111391220,0ptp4l0-21swapper/523:16:115
111391220,0ptp4l0-21swapper/522:37:545
111391220,0ptp4l0-21swapper/522:23:575
111391220,0ptp4l0-21swapper/522:00:175
111391220,0ptp4l0-21swapper/521:54:535
111391220,0ptp4l0-21swapper/500:25:445
111391220,0ptp4l0-21swapper/500:17:025
111391220,0ptp4l0-21swapper/500:12:075
111391220,0ptp4l0-21swapper/420:50:154
111391220,0ptp4l0-21swapper/420:45:194
111391220,0ptp4l0-21swapper/420:27:004
111391220,0ptp4l0-21swapper/420:20:174
111391220,0ptp4l0-21swapper/419:45:174
111391220,0ptp4l0-21swapper/419:20:184
111391220,0ptp4l0-21swapper/323:23:203
111391220,0ptp4l0-21swapper/322:28:373
111391220,0ptp4l0-21swapper/223:50:202
111391220,0ptp4l0-21swapper/223:16:142
111391220,0ptp4l0-21swapper/221:43:182
111391220,0ptp4l0-21swapper/200:24:552
111391220,0ptp4l0-21swapper/123:58:181
111391220,0ptp4l0-21swapper/123:51:061
111391220,0ptp4l0-21swapper/123:47:501
111391220,0ptp4l0-21swapper/123:33:371
111391220,0ptp4l0-21swapper/123:27:091
111391220,0ptp4l0-21swapper/123:20:181
111391220,0ptp4l0-21swapper/122:41:221
111391220,0ptp4l0-21swapper/122:37:161
111391220,0ptp4l0-21swapper/122:30:161
111391220,0ptp4l0-21swapper/122:27:051
111391220,0ptp4l0-21swapper/121:55:021
111391220,0ptp4l0-21swapper/121:45:531
111391220,0ptp4l0-21swapper/121:42:561
111391220,0ptp4l0-21swapper/121:36:311
111391220,0ptp4l0-21swapper/120:05:001
111391220,0ptp4l0-21swapper/119:35:121
111391220,0ptp4l0-21swapper/100:30:541
111391220,0ptp4l0-21swapper/100:04:541
111391220,0ptp4l0-21swapper/023:05:040
111391220,0ptp4l0-21swapper/022:00:120
111391220,0ptp4l0-21swapper/020:15:170
111391220,0ptp4l0-21swapper/019:35:190
14212210,0sleep20-21swapper/223:45:012
14212210,0sleep20-21swapper/223:45:002
111391210,1ptp4l2627-21ssh00:32:596
111391210,1ptp4l18833-21sh23:23:057
111391210,0ptp4l0-21swapper/722:28:367
111391210,0ptp4l0-21swapper/623:50:246
111391210,0ptp4l0-21swapper/622:38:036
111391210,0ptp4l0-21swapper/622:23:026
111391210,0ptp4l0-21swapper/523:54:495
111391210,0ptp4l0-21swapper/523:10:385
111391210,0ptp4l0-21swapper/523:06:255
111391210,0ptp4l0-21swapper/522:53:565
111391210,0ptp4l0-21swapper/522:42:465
111391210,0ptp4l0-21swapper/521:36:325
111391210,0ptp4l0-21swapper/521:25:155
111391210,0ptp4l0-21swapper/521:21:165
111391210,0ptp4l0-21swapper/520:10:145
111391210,0ptp4l0-21swapper/500:03:185
111391210,0ptp4l0-21swapper/419:55:284
111391210,0ptp4l0-21swapper/419:41:004
111391210,0ptp4l0-21swapper/222:41:352
111391210,0ptp4l0-21swapper/200:19:102
111391210,0ptp4l0-21swapper/123:40:481
111391210,0ptp4l0-21swapper/123:40:481
111391210,0ptp4l0-21swapper/123:16:221
111391210,0ptp4l0-21swapper/123:10:461
111391210,0ptp4l0-21swapper/122:59:181
111391210,0ptp4l0-21swapper/122:53:551
111391210,0ptp4l0-21swapper/122:48:551
111391210,0ptp4l0-21swapper/122:22:561
111391210,0ptp4l0-21swapper/122:05:391
111391210,0ptp4l0-21swapper/121:54:501
111391210,0ptp4l0-21swapper/100:28:551
111391210,0ptp4l0-21swapper/100:17:001
111391210,0ptp4l0-21swapper/100:12:151
111391200,1ptp4l1068-21runrttasks22:26:195
111391200,0ptp4l0-21swapper/623:07:416
111391200,0ptp4l0-21swapper/621:33:496
111391200,0ptp4l0-21swapper/621:13:316
111391200,0ptp4l0-21swapper/600:19:116
111391200,0ptp4l0-21swapper/523:26:565
111391200,0ptp4l0-21swapper/522:05:475
111391200,0ptp4l0-21swapper/521:43:015
111391200,0ptp4l0-21swapper/500:32:485
111391200,0ptp4l0-21swapper/419:34:074
111391200,0ptp4l0-21swapper/223:37:182
111391200,0ptp4l0-21swapper/221:36:532
111391200,0ptp4l0-21swapper/200:29:532
111391200,0ptp4l0-21swapper/123:06:271
111391200,0ptp4l0-21swapper/121:05:151
111391200,0ptp4l0-21swapper/120:43:361
111391200,0ptp4l0-21swapper/120:05:181
111391200,0ptp4l0-21swapper/119:54:351
111391200,0ptp4l0-21swapper/100:07:221
111391190,0ptp4l0-21swapper/623:37:176
111391190,0ptp4l0-21swapper/621:36:486
111391190,0ptp4l0-21swapper/620:30:366
111391190,0ptp4l0-21swapper/600:25:076
111391190,0ptp4l0-21swapper/600:03:106
111391190,0ptp4l0-21swapper/523:03:355
111391190,0ptp4l0-21swapper/520:53:365
111391190,0ptp4l0-21swapper/519:26:355
111391190,0ptp4l0-21swapper/500:35:525
111391190,0ptp4l0-21swapper/223:14:172
111391190,0ptp4l0-21swapper/221:56:282
111391190,0ptp4l0-21swapper/121:23:071
111391190,0ptp4l0-21swapper/121:12:341
111391190,0ptp4l0-21swapper/120:37:351
111391190,0ptp4l0-21swapper/120:29:361
111391190,0ptp4l0-21swapper/119:14:531
111391190,0ptp4l0-21swapper/019:33:350
111391180,0ptp4l0-21swapper/623:26:586
111391180,0ptp4l0-21swapper/520:35:505
111391180,0ptp4l0-21swapper/520:19:515
111391180,0ptp4l0-21swapper/500:07:265
111391180,0ptp4l0-21swapper/223:07:392
111391180,0ptp4l0-21swapper/221:27:062
111391180,0ptp4l0-21swapper/221:13:322
111391180,0ptp4l0-21swapper/121:16:001
111391180,0ptp4l0-21swapper/100:35:531
111391170,2ptp4l0-21swapper/120:24:241
111391170,0ptp4l0-21swapper/622:41:366
111391170,0ptp4l0-21swapper/420:07:384
111391170,0ptp4l0-21swapper/222:38:032
111391170,0ptp4l0-21swapper/221:24:562
111391170,0ptp4l0-21swapper/220:20:062
111391170,0ptp4l0-21swapper/121:00:051
111391170,0ptp4l0-21swapper/121:00:051
111391160,0ptp4l0-21swapper/721:49:017
111391160,0ptp4l0-21swapper/623:14:186
111391160,0ptp4l0-21swapper/621:24:566
111391160,0ptp4l0-21swapper/619:18:306
111391160,0ptp4l0-21swapper/521:16:015
111391160,0ptp4l0-21swapper/521:02:485
111391160,0ptp4l0-21swapper/521:02:485
111391160,0ptp4l0-21swapper/519:42:505
111391160,0ptp4l0-21swapper/519:22:205
111391160,0ptp4l0-21swapper/223:26:592
111391160,0ptp4l0-21swapper/221:03:092
111391160,0ptp4l0-21swapper/221:03:092
111391160,0ptp4l0-21swapper/200:33:002
111391160,0ptp4l0-21swapper/120:51:591
111391160,0ptp4l0-21swapper/119:48:231
111391160,0ptp4l0-21swapper/119:28:331
3062799150,14cyclictest0-21swapper/320:35:163
111391150,0ptp4l0-21swapper/621:56:316
111391150,0ptp4l0-21swapper/621:06:276
111391150,0ptp4l0-21swapper/621:03:106
111391150,0ptp4l0-21swapper/621:03:106
111391150,0ptp4l0-21swapper/620:55:166
111391150,0ptp4l0-21swapper/620:49:096
111391150,0ptp4l0-21swapper/620:27:366
111391150,0ptp4l0-21swapper/620:20:066
111391150,0ptp4l0-21swapper/620:17:266
111391150,0ptp4l0-21swapper/619:34:236
111391150,0ptp4l0-21swapper/619:20:166
111391150,0ptp4l0-21swapper/600:14:566
111391150,0ptp4l0-21swapper/520:46:125
111391150,0ptp4l0-21swapper/520:41:055
111391150,0ptp4l0-21swapper/520:00:325
111391150,0ptp4l0-21swapper/519:52:425
111391150,0ptp4l0-21swapper/519:11:575
111391150,0ptp4l0-21swapper/221:06:272
111391150,0ptp4l0-21swapper/220:49:082
111391150,0ptp4l0-21swapper/220:27:362
111391150,0ptp4l0-21swapper/220:06:452
111391150,0ptp4l0-21swapper/219:18:292
111391150,0ptp4l0-21swapper/200:14:532
111391150,0ptp4l0-21swapper/200:03:092
111391150,0ptp4l0-21swapper/120:46:071
111391150,0ptp4l0-21swapper/120:10:061
111391150,0ptp4l0-21swapper/119:41:191
3062799140,13cyclictest0-21swapper/300:35:173
111391140,0ptp4l0-21swapper/621:27:056
111391140,0ptp4l0-21swapper/619:27:196
111391140,0ptp4l0-21swapper/619:13:116
111391140,0ptp4l0-21swapper/222:23:012
111391140,0ptp4l0-21swapper/221:33:492
111391140,0ptp4l0-21swapper/220:32:182
111391140,0ptp4l0-21swapper/220:17:262
111391140,0ptp4l0-21swapper/219:34:232
111391140,0ptp4l0-21swapper/219:27:172
111391140,0ptp4l0-21swapper/219:13:092
3062799130,12cyclictest0-21swapper/323:29:533
3062799130,12cyclictest0-21swapper/300:17:293
3064299124,0cyclictest0-21swapper/520:57:515
3062799120,8cyclictest110891getstats21:14:093
3062799120,5cyclictest16972-21cut21:00:013
3062799120,11cyclictest0-21swapper/321:00:163
3062799120,11cyclictest0-21swapper/321:00:163
3065099110,1cyclictest0-21swapper/621:45:436
3064299119,1cyclictest0-21swapper/521:10:195
3062799116,4cyclictest21373-21diskmemload21:31:393
3062799110,10cyclictest0-21swapper/323:36:003
3062799110,10cyclictest0-21swapper/321:22:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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