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2026-07-17 - 06:04

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 Fri Jul 17, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
78972910,1sleep60-21swapper/619:05:196
63562760,0sleep76361-21irqrtprio00:05:197
820026434,16sleep70-21swapper/719:05:307
111391630,5ptp4l0-21swapper/519:08:595
111391610,30ptp4l0-21swapper/119:07:321
111391610,29ptp4l0-21swapper/219:09:412
51892600,0sleep10-21swapper/100:04:331
224632570,0sleep10-21swapper/121:38:211
224632570,0sleep10-21swapper/121:38:201
834625435,7sleep30-21swapper/319:07:173
852225241,6sleep40-21swapper/419:09:364
848924836,7sleep00-21swapper/019:09:070
111391330,3ptp4l0-21swapper/423:47:214
111391330,1ptp4l10864-21ssh21:23:354
111391320,0ptp4l0-21swapper/422:08:154
111391320,0ptp4l0-21swapper/419:15:164
111391320,0ptp4l0-21swapper/122:36:411
111391320,0ptp4l0-21swapper/121:27:391
111391320,0ptp4l0-21swapper/023:15:410
111391310,0ptp4l0-21swapper/319:45:163
111391310,0ptp4l0-21swapper/022:46:540
111391310,0ptp4l0-21swapper/019:15:190
111391300,0ptp4l0-21swapper/422:04:164
111391300,0ptp4l0-21swapper/122:05:061
111391300,0ptp4l0-21swapper/100:24:461
111391300,0ptp4l0-21swapper/023:50:140
111391300,0ptp4l0-21swapper/022:41:540
111391300,0ptp4l0-21swapper/022:20:160
111391300,0ptp4l0-21swapper/022:09:020
111391300,0ptp4l0-21swapper/000:19:590
111391300,0ptp4l0-21swapper/000:19:590
111391290,0ptp4l0-21swapper/423:19:534
111391290,0ptp4l0-21swapper/421:55:124
111391290,0ptp4l0-21swapper/123:04:221
111391290,0ptp4l0-21swapper/023:38:350
111391290,0ptp4l0-21swapper/023:34:010
111391290,0ptp4l0-21swapper/022:30:300
111391290,0ptp4l0-21swapper/022:02:510
111391290,0ptp4l0-21swapper/021:50:410
111391290,0ptp4l0-21swapper/021:20:120
111391280,3ptp4l0-21swapper/323:09:143
111391280,0ptp4l0-21swapper/523:22:055
111391280,0ptp4l0-21swapper/423:41:494
111391280,0ptp4l0-21swapper/422:21:294
111391280,0ptp4l0-21swapper/400:00:094
111391280,0ptp4l0-21swapper/123:15:241
111391280,0ptp4l0-21swapper/023:06:070
111391280,0ptp4l0-21swapper/022:50:480
111391280,0ptp4l0-21swapper/022:26:140
111391280,0ptp4l0-21swapper/021:34:400
8867992724,1cyclictest20285-21unixbench_singl19:30:204
111391270,0ptp4l0-21swapper/523:49:445
111391270,0ptp4l0-21swapper/521:23:115
111391270,0ptp4l0-21swapper/500:24:235
111391270,0ptp4l0-21swapper/423:12:364
111391270,0ptp4l0-21swapper/422:59:264
111391270,0ptp4l0-21swapper/422:54:274
111391270,0ptp4l0-21swapper/422:31:544
111391270,0ptp4l0-21swapper/421:15:114
111391270,0ptp4l0-21swapper/023:41:420
111391270,0ptp4l0-21swapper/023:20:200
111391270,0ptp4l0-21swapper/021:26:220
111391270,0ptp4l0-21swapper/020:00:190
111391270,0ptp4l0-21swapper/019:25:100
111391270,0ptp4l0-21swapper/000:33:000
111391270,0ptp4l0-21swapper/000:20:140
111391270,0ptp4l0-21swapper/000:07:130
111391260,2ptp4l7725-21irqstats20:15:174
111391260,2ptp4l401ktimersoftd/323:45:363
111391260,1ptp4l0-21swapper/021:45:200
111391260,0ptp4l0-21swapper/522:16:275
111391260,0ptp4l0-21swapper/500:05:145
111391260,0ptp4l0-21swapper/423:31:214
111391260,0ptp4l0-21swapper/422:12:464
111391260,0ptp4l0-21swapper/421:34:554
111391260,0ptp4l0-21swapper/400:36:434
111391260,0ptp4l0-21swapper/400:28:204
111391260,0ptp4l0-21swapper/400:20:004
111391260,0ptp4l0-21swapper/400:20:004
111391260,0ptp4l0-21swapper/123:12:191
111391260,0ptp4l0-21swapper/122:16:031
111391260,0ptp4l0-21swapper/119:55:181
111391260,0ptp4l0-21swapper/023:48:500
111391260,0ptp4l0-21swapper/023:04:480
111391260,0ptp4l0-21swapper/021:16:230
111391260,0ptp4l0-21swapper/020:05:130
111391260,0ptp4l0-21swapper/000:38:140
111391250,1ptp4l9247-21tr19:10:114
111391250,1ptp4l28011-21fw_conntrack21:00:134
111391250,0ptp4l0-21swapper/723:08:247
111391250,0ptp4l0-21swapper/522:55:285
111391250,0ptp4l0-21swapper/521:48:405
111391250,0ptp4l0-21swapper/521:35:165
111391250,0ptp4l0-21swapper/521:35:155
111391250,0ptp4l0-21swapper/500:25:115
111391250,0ptp4l0-21swapper/423:36:464
111391250,0ptp4l0-21swapper/423:25:014
111391250,0ptp4l0-21swapper/423:06:054
111391250,0ptp4l0-21swapper/423:02:134
111391250,0ptp4l0-21swapper/420:40:184
111391250,0ptp4l0-21swapper/419:20:094
111391250,0ptp4l0-21swapper/400:32:254
111391250,0ptp4l0-21swapper/400:14:524
111391250,0ptp4l0-21swapper/122:30:151
111391250,0ptp4l0-21swapper/122:25:181
111391250,0ptp4l0-21swapper/120:09:421
111391240,1ptp4l7361-21diskstats20:15:130
111391240,1ptp4l6531-21cat00:05:191
111391240,1ptp4l31940-21unixbench_multi23:55:214
111391240,1ptp4l30949-21latency_hist21:50:004
111391240,1ptp4l29995-21hddtemp_smartct22:30:135
111391240,1ptp4l14320-21cpuspeed_turbos19:20:100
111391240,1ptp4l10566-21/usr/sbin/munin00:10:210
111391240,1ptp4l10422-21sed22:45:224
111391240,0ptp4l0-21swapper/523:00:175
111391240,0ptp4l0-21swapper/522:49:345
111391240,0ptp4l0-21swapper/522:05:155
111391240,0ptp4l0-21swapper/521:26:175
111391240,0ptp4l0-21swapper/520:10:145
111391240,0ptp4l0-21swapper/423:50:144
111391240,0ptp4l0-21swapper/423:20:144
111391240,0ptp4l0-21swapper/422:40:144
111391240,0ptp4l0-21swapper/421:50:444
111391240,0ptp4l0-21swapper/421:12:244
111391240,0ptp4l0-21swapper/420:03:164
111391240,0ptp4l0-21swapper/419:25:114
111391240,0ptp4l0-21swapper/123:55:521
111391240,0ptp4l0-21swapper/121:59:181
111391240,0ptp4l0-21swapper/121:30:371
111391240,0ptp4l0-21swapper/100:36:041
111391240,0ptp4l0-21swapper/023:57:120
111391240,0ptp4l0-21swapper/023:10:210
111391240,0ptp4l0-21swapper/022:10:160
111391240,0ptp4l0-21swapper/021:55:190
111391240,0ptp4l0-21swapper/020:40:200
111391240,0ptp4l0-21swapper/020:25:210
111391240,0ptp4l0-21swapper/019:30:180
111391240,0ptp4l0-21swapper/000:00:030
111391230,1ptp4l7630-21ssh00:05:574
111391230,1ptp4l4028-21users20:05:214
111391230,1ptp4l15989-21ssh22:54:415
111391230,0ptp4l31943-21diskmemload22:48:061
111391230,0ptp4l31943-21diskmemload21:47:131
111391230,0ptp4l0-21swapper/719:45:187
111391230,0ptp4l0-21swapper/700:04:317
111391230,0ptp4l0-21swapper/523:40:595
111391230,0ptp4l0-21swapper/523:35:155
111391230,0ptp4l0-21swapper/523:29:565
111391230,0ptp4l0-21swapper/522:42:415
111391230,0ptp4l0-21swapper/522:37:555
111391230,0ptp4l0-21swapper/522:27:465
111391230,0ptp4l0-21swapper/522:00:235
111391230,0ptp4l0-21swapper/521:42:045
111391230,0ptp4l0-21swapper/521:42:035
111391230,0ptp4l0-21swapper/521:31:075
111391230,0ptp4l0-21swapper/521:17:575
111391230,0ptp4l0-21swapper/521:10:055
111391230,0ptp4l0-21swapper/520:45:205
111391230,0ptp4l0-21swapper/520:30:135
111391230,0ptp4l0-21swapper/519:55:115
111391230,0ptp4l0-21swapper/500:36:195
111391230,0ptp4l0-21swapper/500:34:125
111391230,0ptp4l0-21swapper/422:38:564
111391230,0ptp4l0-21swapper/422:25:174
111391230,0ptp4l0-21swapper/422:20:014
111391230,0ptp4l0-21swapper/421:40:224
111391230,0ptp4l0-21swapper/421:40:214
111391230,0ptp4l0-21swapper/421:39:314
111391230,0ptp4l0-21swapper/421:39:304
111391230,0ptp4l0-21swapper/420:55:114
111391230,0ptp4l0-21swapper/420:50:144
111391230,0ptp4l0-21swapper/420:35:134
111391230,0ptp4l0-21swapper/419:40:124
111391230,0ptp4l0-21swapper/419:35:114
111391230,0ptp4l0-21swapper/123:47:571
111391230,0ptp4l0-21swapper/123:35:191
111391230,0ptp4l0-21swapper/123:30:131
111391230,0ptp4l0-21swapper/123:25:131
111391230,0ptp4l0-21swapper/123:21:541
111391230,0ptp4l0-21swapper/122:55:121
111391230,0ptp4l0-21swapper/122:00:221
111391230,0ptp4l0-21swapper/121:50:141
111391230,0ptp4l0-21swapper/121:20:231
111391230,0ptp4l0-21swapper/121:16:461
111391230,0ptp4l0-21swapper/121:10:141
111391230,0ptp4l0-21swapper/120:55:171
111391230,0ptp4l0-21swapper/120:45:181
111391230,0ptp4l0-21swapper/120:10:121
111391230,0ptp4l0-21swapper/119:13:081
111391230,0ptp4l0-21swapper/100:33:131
111391230,0ptp4l0-21swapper/100:25:041
111391230,0ptp4l0-21swapper/023:25:230
111391230,0ptp4l0-21swapper/022:57:340
111391230,0ptp4l0-21swapper/021:40:130
111391230,0ptp4l0-21swapper/021:40:130
111391230,0ptp4l0-21swapper/021:10:570
111391230,0ptp4l0-21swapper/021:05:170
111391230,0ptp4l0-21swapper/021:00:150
111391230,0ptp4l0-21swapper/020:50:010
111391230,0ptp4l0-21swapper/020:35:140
111391230,0ptp4l0-21swapper/020:33:150
111391230,0ptp4l0-21swapper/020:20:190
111391230,0ptp4l0-21swapper/019:35:140
111391230,0ptp4l0-21swapper/019:10:130
111391230,0ptp4l0-21swapper/000:25:210
111391220,3ptp4l0-21swapper/320:41:543
111391220,0ptp4l0-21swapper/723:45:507
111391220,0ptp4l0-21swapper/723:26:267
111391220,0ptp4l0-21swapper/523:55:325
111391220,0ptp4l0-21swapper/523:54:375
111391220,0ptp4l0-21swapper/522:22:545
111391220,0ptp4l0-21swapper/521:59:025
111391220,0ptp4l0-21swapper/521:54:255
111391220,0ptp4l0-21swapper/520:37:045
111391220,0ptp4l0-21swapper/520:20:125
111391220,0ptp4l0-21swapper/520:02:505
111391220,0ptp4l0-21swapper/421:25:164
111391220,0ptp4l0-21swapper/421:05:134
111391220,0ptp4l0-21swapper/420:32:344
111391220,0ptp4l0-21swapper/420:25:004
111391220,0ptp4l0-21swapper/420:20:164
111391220,0ptp4l0-21swapper/400:20:134
111391220,0ptp4l0-21swapper/323:26:203
111391220,0ptp4l0-21swapper/323:10:083
111391220,0ptp4l0-21swapper/123:54:261
111391220,0ptp4l0-21swapper/122:52:181
111391220,0ptp4l0-21swapper/122:42:381
111391220,0ptp4l0-21swapper/122:22:441
111391220,0ptp4l0-21swapper/119:25:301
111391220,0ptp4l0-21swapper/100:15:121
111391220,0ptp4l0-21swapper/100:15:111
111391220,0ptp4l0-21swapper/022:39:000
111391220,0ptp4l0-21swapper/022:15:150
111391220,0ptp4l0-21swapper/021:36:380
111391220,0ptp4l0-21swapper/021:36:370
111391220,0ptp4l0-21swapper/020:55:150
111391220,0ptp4l0-21swapper/019:50:100
111391220,0ptp4l0-21swapper/019:40:120
111391210,0ptp4l0-21swapper/723:38:147
111391210,0ptp4l0-21swapper/723:10:077
111391210,0ptp4l0-21swapper/721:29:397
111391210,0ptp4l0-21swapper/700:31:507
111391210,0ptp4l0-21swapper/523:34:085
111391210,0ptp4l0-21swapper/523:18:375
111391210,0ptp4l0-21swapper/523:12:185
111391210,0ptp4l0-21swapper/522:13:435
111391210,0ptp4l0-21swapper/500:03:575
111391210,0ptp4l0-21swapper/323:38:043
111391210,0ptp4l0-21swapper/321:29:323
111391210,0ptp4l0-21swapper/300:31:563
111391210,0ptp4l0-21swapper/300:04:303
111391210,0ptp4l0-21swapper/123:43:281
111391210,0ptp4l0-21swapper/122:13:411
111391210,0ptp4l0-21swapper/121:42:241
111391210,0ptp4l0-21swapper/121:42:231
111391210,0ptp4l0-21swapper/120:37:591
111391210,0ptp4l0-21swapper/120:22:431
111391210,0ptp4l0-21swapper/119:36:291
111391210,0ptp4l0-21swapper/119:33:291
111391200,0ptp4l0-21swapper/721:55:107
111391200,0ptp4l0-21swapper/720:41:557
111391200,0ptp4l0-21swapper/521:09:455
111391200,0ptp4l0-21swapper/520:16:075
111391200,0ptp4l0-21swapper/519:16:495
111391200,0ptp4l0-21swapper/519:13:305
111391200,0ptp4l0-21swapper/500:11:455
111391200,0ptp4l0-21swapper/420:49:294
111391200,0ptp4l0-21swapper/419:53:294
111391200,0ptp4l0-21swapper/419:49:474
111391200,0ptp4l0-21swapper/319:43:293
111391200,0ptp4l0-21swapper/123:05:441
111391200,0ptp4l0-21swapper/119:19:531
111391200,0ptp4l0-21swapper/020:48:440
111391200,0ptp4l0-21swapper/020:14:300
111391190,0ptp4l0-21swapper/719:44:127
111391190,0ptp4l0-21swapper/520:56:465
111391190,0ptp4l0-21swapper/520:45:005
111391190,0ptp4l0-21swapper/520:09:455
111391190,0ptp4l0-21swapper/420:13:454
111391190,0ptp4l0-21swapper/120:31:551
111391190,0ptp4l0-21swapper/119:43:051
111391180,0ptp4l0-21swapper/523:05:425
111391180,0ptp4l0-21swapper/120:28:581
111391180,0ptp4l0-21swapper/100:11:431
111391170,0ptp4l0-21swapper/519:25:215
111391170,0ptp4l0-21swapper/500:15:125
111391170,0ptp4l0-21swapper/500:15:115
886799168,4cyclictest30520-21df_inode19:55:124
111391160,0ptp4l0-21swapper/520:29:075
111391160,0ptp4l0-21swapper/519:43:115
111391160,0ptp4l0-21swapper/519:20:035
111391160,0ptp4l0-21swapper/219:10:022
111391160,0ptp4l0-21swapper/121:06:141
111391160,0ptp4l0-21swapper/120:51:191
111391160,0ptp4l0-21swapper/120:40:441
111391160,0ptp4l0-21swapper/120:02:481
111391160,0ptp4l0-21swapper/119:52:141
8882991513,1cyclictest65-21ksoftirqd/623:29:486
8855991514,0cyclictest321ktimersoftd/223:29:492
111391150,0ptp4l0-21swapper/720:18:127
111391150,0ptp4l0-21swapper/619:10:036
111391150,0ptp4l0-21swapper/521:04:155
111391150,0ptp4l0-21swapper/520:50:105
111391150,0ptp4l0-21swapper/519:53:365
111391150,0ptp4l0-21swapper/519:35:035
111391150,0ptp4l0-21swapper/519:30:255
111391150,0ptp4l0-21swapper/121:04:081
111391150,0ptp4l0-21swapper/120:15:321
111391150,0ptp4l0-21swapper/119:47:451
111391150,0ptp4l0-21swapper/119:20:021
111391150,0ptp4l0-21swapper/019:56:490
111391150,0ptp4l0-21swapper/019:47:450
111391140,0ptp4l0-21swapper/620:53:326
111391140,0ptp4l0-21swapper/619:40:416
111391140,0ptp4l0-21swapper/619:32:596
111391140,0ptp4l0-21swapper/519:47:465
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