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2026-09-06 - 09:37

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 Sep 06, 2026 00:46:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391790,5ptp4l0-21swapper/019:05:140
111391700,30ptp4l0-21swapper/119:08:071
255142610,0sleep00-21swapper/020:10:160
111391610,5ptp4l0-21swapper/519:08:385
38892580,0sleep6641ktimersoftd/623:05:166
2846125847,6sleep70-21swapper/719:06:497
111391570,5ptp4l0-21swapper/419:08:054
2866924938,7sleep20-21swapper/219:09:312
2857024837,7sleep30-21swapper/319:08:133
2869024736,6sleep60-21swapper/619:09:446
111391380,1ptp4l6480-21needreboot21:35:173
111391320,1ptp4l1223-21diskstats22:15:121
111391320,0ptp4l0-21swapper/523:57:075
111391320,0ptp4l0-21swapper/521:10:135
111391310,0ptp4l0-21swapper/122:50:271
111391310,0ptp4l0-21swapper/122:00:151
111391310,0ptp4l0-21swapper/121:45:321
111391310,0ptp4l0-21swapper/121:43:071
111391300,8ptp4l0-21swapper/122:32:281
111391300,0ptp4l0-21swapper/720:50:197
111391300,0ptp4l0-21swapper/421:20:244
111391300,0ptp4l0-21swapper/123:25:531
111391300,0ptp4l0-21swapper/123:25:531
111391300,0ptp4l0-21swapper/122:12:331
111391300,0ptp4l0-21swapper/121:19:351
111391300,0ptp4l0-21swapper/023:05:200
111391290,0ptp4l0-21swapper/723:35:197
111391290,0ptp4l0-21swapper/323:35:553
111391290,0ptp4l0-21swapper/123:48:501
111391290,0ptp4l0-21swapper/121:52:081
111391290,0ptp4l0-21swapper/119:45:201
111391290,0ptp4l0-21swapper/119:20:201
111391290,0ptp4l0-21swapper/021:33:400
111391280,3ptp4l401ktimersoftd/323:12:463
111391280,2ptp4l0-21swapper/722:26:567
111391280,0ptp4l0-21swapper/523:52:075
111391280,0ptp4l0-21swapper/523:25:175
111391280,0ptp4l0-21swapper/523:25:175
111391280,0ptp4l0-21swapper/522:55:115
111391280,0ptp4l0-21swapper/522:02:455
111391280,0ptp4l0-21swapper/521:38:445
111391280,0ptp4l0-21swapper/521:25:165
111391280,0ptp4l0-21swapper/422:40:254
111391280,0ptp4l0-21swapper/421:11:294
111391280,0ptp4l0-21swapper/321:17:533
111391280,0ptp4l0-21swapper/121:56:001
111391280,0ptp4l0-21swapper/121:22:181
111391270,1ptp4l0-21swapper/521:43:215
111391270,0ptp4l0-21swapper/621:21:386
111391270,0ptp4l0-21swapper/523:31:125
111391270,0ptp4l0-21swapper/523:21:045
111391270,0ptp4l0-21swapper/523:15:515
111391270,0ptp4l0-21swapper/522:20:205
111391270,0ptp4l0-21swapper/500:15:135
111391270,0ptp4l0-21swapper/500:14:425
111391270,0ptp4l0-21swapper/400:25:224
111391270,0ptp4l0-21swapper/123:41:261
111391270,0ptp4l0-21swapper/123:24:371
111391270,0ptp4l0-21swapper/122:56:131
111391270,0ptp4l0-21swapper/122:40:211
111391270,0ptp4l0-21swapper/122:37:191
111391270,0ptp4l0-21swapper/100:22:381
111391270,0ptp4l0-21swapper/100:05:151
111391270,0ptp4l0-21swapper/022:02:080
111391270,0ptp4l0-21swapper/021:27:320
111391260,2ptp4l0-21swapper/621:45:506
111391260,0ptp4l7186-21ssh22:23:591
111391260,0ptp4l0-21swapper/521:50:045
111391260,0ptp4l0-21swapper/520:07:055
111391260,0ptp4l0-21swapper/519:40:005
111391260,0ptp4l0-21swapper/123:53:101
111391260,0ptp4l0-21swapper/119:25:151
111391250,0ptp4l0-21swapper/722:05:447
111391250,0ptp4l0-21swapper/721:36:177
111391250,0ptp4l0-21swapper/522:51:065
111391250,0ptp4l0-21swapper/522:44:405
111391250,0ptp4l0-21swapper/522:25:035
111391250,0ptp4l0-21swapper/520:47:075
111391250,0ptp4l0-21swapper/520:47:065
111391250,0ptp4l0-21swapper/520:40:135
111391250,0ptp4l0-21swapper/520:20:125
111391250,0ptp4l0-21swapper/122:29:091
111391250,0ptp4l0-21swapper/121:10:201
111391250,0ptp4l0-21swapper/121:05:141
111391250,0ptp4l0-21swapper/120:20:181
111391250,0ptp4l0-21swapper/100:17:401
111391240,1ptp4l5603-21/usr/sbin/munin20:35:214
111391240,1ptp4l32297-21/usr/sbin/munin23:00:141
111391240,1ptp4l13280-21memory21:45:165
111391240,0ptp4l0-21swapper/723:24:047
111391240,0ptp4l0-21swapper/523:10:165
111391240,0ptp4l0-21swapper/522:47:105
111391240,0ptp4l0-21swapper/522:10:225
111391240,0ptp4l0-21swapper/521:56:375
111391240,0ptp4l0-21swapper/520:05:005
111391240,0ptp4l0-21swapper/519:20:215
111391240,0ptp4l0-21swapper/500:35:235
111391240,0ptp4l0-21swapper/400:24:514
111391240,0ptp4l0-21swapper/123:37:541
111391240,0ptp4l0-21swapper/121:39:281
111391240,0ptp4l0-21swapper/121:25:181
111391240,0ptp4l0-21swapper/120:35:141
111391240,0ptp4l0-21swapper/119:55:001
111391240,0ptp4l0-21swapper/119:15:011
111391240,0ptp4l0-21swapper/100:36:041
111391240,0ptp4l0-21swapper/023:54:450
111391240,0ptp4l0-21swapper/022:52:300
111391240,0ptp4l0-21swapper/021:20:150
111391240,0ptp4l0-21swapper/020:09:590
111391240,0ptp4l0-21swapper/000:22:350
111391230,3ptp4l0-21swapper/100:04:061
111391230,2ptp4l0-21swapper/022:09:580
111391230,1ptp4l733-21dbus-daemon19:55:005
111391230,1ptp4l515-21systemd-journal20:55:005
111391230,1ptp4l4659-21df22:20:124
111391230,1ptp4l32339-21awk20:25:161
111391230,1ptp4l26353-21irqrtprio00:25:165
111391230,0ptp4l19753-21diskmemload23:10:161
111391230,0ptp4l0-21swapper/523:05:465
111391230,0ptp4l0-21swapper/523:00:015
111391230,0ptp4l0-21swapper/522:30:195
111391230,0ptp4l0-21swapper/522:09:565
111391230,0ptp4l0-21swapper/521:20:175
111391230,0ptp4l0-21swapper/521:15:125
111391230,0ptp4l0-21swapper/521:05:185
111391230,0ptp4l0-21swapper/520:38:435
111391230,0ptp4l0-21swapper/520:30:145
111391230,0ptp4l0-21swapper/520:10:135
111391230,0ptp4l0-21swapper/519:55:185
111391230,0ptp4l0-21swapper/519:35:125
111391230,0ptp4l0-21swapper/519:10:145
111391230,0ptp4l0-21swapper/500:20:215
111391230,0ptp4l0-21swapper/500:05:175
111391230,0ptp4l0-21swapper/423:05:184
111391230,0ptp4l0-21swapper/422:50:194
111391230,0ptp4l0-21swapper/422:15:194
111391230,0ptp4l0-21swapper/421:40:194
111391230,0ptp4l0-21swapper/421:00:014
111391230,0ptp4l0-21swapper/321:34:063
111391230,0ptp4l0-21swapper/320:50:183
111391230,0ptp4l0-21swapper/219:15:202
111391230,0ptp4l0-21swapper/123:32:411
111391230,0ptp4l0-21swapper/123:05:161
111391230,0ptp4l0-21swapper/122:45:171
111391230,0ptp4l0-21swapper/122:05:151
111391230,0ptp4l0-21swapper/121:30:021
111391230,0ptp4l0-21swapper/120:55:191
111391230,0ptp4l0-21swapper/120:49:041
111391230,0ptp4l0-21swapper/120:49:041
111391230,0ptp4l0-21swapper/120:05:141
111391230,0ptp4l0-21swapper/120:00:101
111391230,0ptp4l0-21swapper/119:40:131
111391230,0ptp4l0-21swapper/119:10:151
111391230,0ptp4l0-21swapper/100:25:151
111391230,0ptp4l0-21swapper/022:40:140
111391230,0ptp4l0-21swapper/022:39:060
111391230,0ptp4l0-21swapper/021:50:200
111391230,0ptp4l0-21swapper/021:45:490
111391230,0ptp4l0-21swapper/000:00:140
111391220,0ptp4l19753-21diskmemload23:12:334
111391220,0ptp4l0-21swapper/722:17:247
111391220,0ptp4l0-21swapper/721:34:147
111391220,0ptp4l0-21swapper/721:18:427
111391220,0ptp4l0-21swapper/523:45:015
111391220,0ptp4l0-21swapper/523:40:175
111391220,0ptp4l0-21swapper/522:35:205
111391220,0ptp4l0-21swapper/522:15:175
111391220,0ptp4l0-21swapper/521:30:225
111391220,0ptp4l0-21swapper/521:00:125
111391220,0ptp4l0-21swapper/520:55:115
111391220,0ptp4l0-21swapper/520:25:145
111391220,0ptp4l0-21swapper/520:15:135
111391220,0ptp4l0-21swapper/519:30:185
111391220,0ptp4l0-21swapper/519:25:015
111391220,0ptp4l0-21swapper/500:30:205
111391220,0ptp4l0-21swapper/500:00:155
111391220,0ptp4l0-21swapper/423:48:484
111391220,0ptp4l0-21swapper/423:30:214
111391220,0ptp4l0-21swapper/422:56:264
111391220,0ptp4l0-21swapper/422:48:464
111391220,0ptp4l0-21swapper/422:30:064
111391220,0ptp4l0-21swapper/422:10:144
111391220,0ptp4l0-21swapper/421:45:204
111391220,0ptp4l0-21swapper/421:32:104
111391220,0ptp4l0-21swapper/421:25:144
111391220,0ptp4l0-21swapper/421:00:204
111391220,0ptp4l0-21swapper/420:45:114
111391220,0ptp4l0-21swapper/420:45:114
111391220,0ptp4l0-21swapper/419:50:174
111391220,0ptp4l0-21swapper/419:40:164
111391220,0ptp4l0-21swapper/419:35:184
111391220,0ptp4l0-21swapper/400:19:384
111391220,0ptp4l0-21swapper/400:08:544
111391220,0ptp4l0-21swapper/323:35:013
111391220,0ptp4l0-21swapper/322:05:363
111391220,0ptp4l0-21swapper/221:12:522
111391220,0ptp4l0-21swapper/123:55:141
111391220,0ptp4l0-21swapper/123:15:141
111391220,0ptp4l0-21swapper/121:00:111
111391220,0ptp4l0-21swapper/120:40:111
111391220,0ptp4l0-21swapper/120:30:211
111391220,0ptp4l0-21swapper/120:15:161
111391220,0ptp4l0-21swapper/120:10:131
111391220,0ptp4l0-21swapper/119:55:191
111391220,0ptp4l0-21swapper/119:35:161
111391220,0ptp4l0-21swapper/119:30:131
111391220,0ptp4l0-21swapper/100:30:001
111391220,0ptp4l0-21swapper/100:10:161
111391220,0ptp4l0-21swapper/023:30:190
111391220,0ptp4l0-21swapper/023:26:170
111391220,0ptp4l0-21swapper/023:26:160
111391220,0ptp4l0-21swapper/023:20:130
111391220,0ptp4l0-21swapper/023:00:190
111391220,0ptp4l0-21swapper/022:20:120
111391220,0ptp4l0-21swapper/022:19:580
111391220,0ptp4l0-21swapper/021:40:210
111391220,0ptp4l0-21swapper/021:37:230
111391220,0ptp4l0-21swapper/021:15:170
111391220,0ptp4l0-21swapper/020:25:210
111391220,0ptp4l0-21swapper/019:50:160
111391220,0ptp4l0-21swapper/000:38:320
111391220,0ptp4l0-21swapper/000:30:170
111391220,0ptp4l0-21swapper/000:25:120
111391210,0ptp4l0-21swapper/723:50:527
111391210,0ptp4l0-21swapper/721:23:467
111391210,0ptp4l0-21swapper/719:36:047
111391210,0ptp4l0-21swapper/700:27:187
111391210,0ptp4l0-21swapper/700:16:237
111391210,0ptp4l0-21swapper/623:51:506
111391210,0ptp4l0-21swapper/621:37:456
111391210,0ptp4l0-21swapper/621:29:356
111391210,0ptp4l0-21swapper/600:39:406
111391210,0ptp4l0-21swapper/523:38:185
111391210,0ptp4l0-21swapper/519:45:135
111391210,0ptp4l0-21swapper/519:15:165
111391210,0ptp4l0-21swapper/423:57:294
111391210,0ptp4l0-21swapper/423:50:314
111391210,0ptp4l0-21swapper/423:39:314
111391210,0ptp4l0-21swapper/422:36:414
111391210,0ptp4l0-21swapper/422:08:214
111391210,0ptp4l0-21swapper/422:02:054
111391210,0ptp4l0-21swapper/421:50:064
111391210,0ptp4l0-21swapper/421:16:084
111391210,0ptp4l0-21swapper/421:05:224
111391210,0ptp4l0-21swapper/420:15:224
111391210,0ptp4l0-21swapper/419:30:004
111391210,0ptp4l0-21swapper/419:15:134
111391210,0ptp4l0-21swapper/400:38:184
111391210,0ptp4l0-21swapper/400:30:184
111391210,0ptp4l0-21swapper/400:01:584
111391210,0ptp4l0-21swapper/323:06:203
111391210,0ptp4l0-21swapper/322:27:033
111391210,0ptp4l0-21swapper/322:17:223
111391210,0ptp4l0-21swapper/322:13:403
111391210,0ptp4l0-21swapper/223:28:002
111391210,0ptp4l0-21swapper/223:28:002
111391210,0ptp4l0-21swapper/223:13:242
111391210,0ptp4l0-21swapper/023:45:040
111391210,0ptp4l0-21swapper/023:18:260
111391210,0ptp4l0-21swapper/022:45:400
111391210,0ptp4l0-21swapper/022:32:520
111391210,0ptp4l0-21swapper/022:25:500
111391210,0ptp4l0-21swapper/021:10:420
111391210,0ptp4l0-21swapper/020:45:010
111391210,0ptp4l0-21swapper/020:45:000
111391210,0ptp4l0-21swapper/020:35:210
111391210,0ptp4l0-21swapper/020:32:030
111391210,0ptp4l0-21swapper/019:40:130
111391210,0ptp4l0-21swapper/019:35:190
111391210,0ptp4l0-21swapper/000:08:590
111391200,0ptp4l0-21swapper/723:34:577
111391200,0ptp4l0-21swapper/723:12:577
111391200,0ptp4l0-21swapper/722:13:307
111391200,0ptp4l0-21swapper/623:33:506
111391200,0ptp4l0-21swapper/623:28:026
111391200,0ptp4l0-21swapper/623:28:026
111391200,0ptp4l0-21swapper/622:01:456
111391200,0ptp4l0-21swapper/423:43:264
111391200,0ptp4l0-21swapper/423:28:134
111391200,0ptp4l0-21swapper/423:28:134
111391200,0ptp4l0-21swapper/423:20:124
111391200,0ptp4l0-21swapper/423:16:134
111391200,0ptp4l0-21swapper/423:01:094
111391200,0ptp4l0-21swapper/421:38:074
111391200,0ptp4l0-21swapper/420:33:184
111391200,0ptp4l0-21swapper/420:10:004
111391200,0ptp4l0-21swapper/420:00:344
111391200,0ptp4l0-21swapper/400:13:384
111391200,0ptp4l0-21swapper/323:50:473
111391200,0ptp4l0-21swapper/323:23:433
111391200,0ptp4l0-21swapper/320:30:433
111391200,0ptp4l0-21swapper/319:36:103
111391200,0ptp4l0-21swapper/300:27:113
111391200,0ptp4l0-21swapper/223:31:012
111391200,0ptp4l0-21swapper/221:39:322
111391200,0ptp4l0-21swapper/221:29:362
111391200,0ptp4l0-21swapper/200:29:122
111391200,0ptp4l0-21swapper/120:52:041
111391200,0ptp4l0-21swapper/023:55:480
111391200,0ptp4l0-21swapper/023:44:470
111391200,0ptp4l0-21swapper/023:11:140
111391200,0ptp4l0-21swapper/022:55:030
111391200,0ptp4l0-21swapper/021:57:300
111391200,0ptp4l0-21swapper/020:42:340
111391200,0ptp4l0-21swapper/020:00:510
111391200,0ptp4l0-21swapper/019:28:030
111391200,0ptp4l0-21swapper/000:16:160
111391200,0ptp4l0-21swapper/000:13:370
111391190,0ptp4l0-21swapper/623:21:416
111391190,0ptp4l0-21swapper/621:12:516
111391190,0ptp4l0-21swapper/621:04:356
111391190,0ptp4l0-21swapper/419:48:494
111391190,0ptp4l0-21swapper/321:23:453
111391190,0ptp4l0-21swapper/300:19:303
111391190,0ptp4l0-21swapper/223:51:482
111391190,0ptp4l0-21swapper/223:21:402
111391190,0ptp4l0-21swapper/221:21:382
111391190,0ptp4l0-21swapper/219:58:122
111391190,0ptp4l0-21swapper/200:39:222
111391190,0ptp4l0-21swapper/022:10:120
111391190,0ptp4l0-21swapper/020:16:040
111391180,0ptp4l0-21swapper/723:06:187
111391180,0ptp4l0-21swapper/623:13:266
111391180,0ptp4l0-21swapper/600:29:146
111391180,0ptp4l0-21swapper/422:25:344
111391180,0ptp4l0-21swapper/222:24:412
111391180,0ptp4l0-21swapper/023:37:110
111391180,0ptp4l0-21swapper/021:00:000
111391180,0ptp4l0-21swapper/019:59:510
111391170,0ptp4l0-21swapper/622:31:226
111391170,0ptp4l0-21swapper/421:57:574
111391170,0ptp4l0-21swapper/021:05:250
111391170,0ptp4l0-21swapper/021:02:440
111391160,0ptp4l0-21swapper/622:24:236
111391160,0ptp4l0-21swapper/619:15:216
111391160,0ptp4l0-21swapper/420:51:344
111391160,0ptp4l0-21swapper/420:42:204
111391160,0ptp4l0-21swapper/419:14:384
111391160,0ptp4l0-21swapper/319:16:333
111391160,0ptp4l0-21swapper/222:41:152
111391160,0ptp4l0-21swapper/222:37:322
111391160,0ptp4l0-21swapper/222:31:212
111391160,0ptp4l0-21swapper/019:48:100
111391150,0ptp4l0-21swapper/720:30:407
111391150,0ptp4l0-21swapper/719:16:157
111391150,0ptp4l0-21swapper/420:26:274
111391150,0ptp4l0-21swapper/420:24:044
111391150,0ptp4l0-21swapper/419:56:044
111391150,0ptp4l0-21swapper/419:28:054
111391150,0ptp4l0-21swapper/419:24:184
111391150,0ptp4l0-21swapper/222:01:452
111391150,0ptp4l0-21swapper/221:45:492
111391150,0ptp4l0-21swapper/221:02:202
111391150,0ptp4l0-21swapper/220:45:032
111391150,0ptp4l0-21swapper/220:45:032
111391150,0ptp4l0-21swapper/020:51:320
111391150,0ptp4l0-21swapper/020:22:150
111391150,0ptp4l0-21swapper/019:31:230
111391150,0ptp4l0-21swapper/019:21:110
111391150,0ptp4l0-21swapper/019:15:110
111391150,0ptp4l0-21swapper/019:10:360
29027991412,1cyclictest0-21swapper/719:10:197
111391140,0ptp4l0-21swapper/622:37:316
111391140,0ptp4l0-21swapper/620:45:036
111391140,0ptp4l0-21swapper/620:45:036
111391140,0ptp4l0-21swapper/619:58:076
111391140,0ptp4l0-21swapper/420:05:084
111391140,0ptp4l0-21swapper/222:14:202
28999991311,1cyclictest29160-21ssh22:55:143
2902099119,1cyclictest0-21swapper/600:13:066
2902099110,10cyclictest0-21swapper/622:40:516
2902099110,10cyclictest0-21swapper/621:15:406
2902099109,0cyclictest0-21swapper/623:47:486
2902099109,0cyclictest0-21swapper/623:18:246
2902099109,0cyclictest0-21swapper/621:50:056
2902099109,0cyclictest0-21swapper/621:32:296
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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