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2026-04-05 - 13:28

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 Apr 05, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
66402630,0sleep70-21swapper/723:16:567
292122620,0sleep30-21swapper/319:25:113
2062826241,6sleep70-21swapper/719:05:387
81092610,0sleep00-21swapper/022:34:530
111391600,29ptp4l0-21swapper/119:08:021
2079125938,6sleep20-21swapper/219:07:412
199482580,0sleep2321ktimersoftd/222:50:172
111391580,5ptp4l0-21swapper/019:05:200
111391580,2ptp4l0-21swapper/419:05:184
111391570,5ptp4l0-21swapper/519:08:485
2089724736,6sleep60-21swapper/619:09:056
2091224635,7sleep30-21swapper/319:09:193
327572390,0sleep50-21swapper/519:30:345
111391340,0ptp4l0-21swapper/022:40:190
111391330,0ptp4l0-21swapper/521:50:185
111391320,0ptp4l0-21swapper/323:27:323
111391320,0ptp4l0-21swapper/023:25:340
111391310,0ptp4l0-21swapper/121:46:191
111391310,0ptp4l0-21swapper/120:40:171
111391310,0ptp4l0-21swapper/100:12:381
111391300,1ptp4l15543-21ssh21:59:521
111391300,0ptp4l0-21swapper/423:42:104
111391300,0ptp4l0-21swapper/421:50:134
111391300,0ptp4l0-21swapper/123:54:571
111391300,0ptp4l0-21swapper/022:50:140
111391290,2ptp4l13872-21ssh23:27:417
111391290,0ptp4l0-21swapper/200:00:512
111391290,0ptp4l0-21swapper/122:03:501
111391290,0ptp4l0-21swapper/120:30:211
111391280,0ptp4l0-21swapper/600:22:276
111391280,0ptp4l0-21swapper/600:00:546
111391280,0ptp4l0-21swapper/423:01:254
111391280,0ptp4l0-21swapper/400:28:044
111391280,0ptp4l0-21swapper/400:08:414
111391280,0ptp4l0-21swapper/400:08:404
111391280,0ptp4l0-21swapper/123:05:141
111391280,0ptp4l0-21swapper/122:46:471
111391280,0ptp4l0-21swapper/122:25:121
111391280,0ptp4l0-21swapper/122:20:391
111391280,0ptp4l0-21swapper/100:27:331
111391280,0ptp4l0-21swapper/023:50:170
111391280,0ptp4l0-21swapper/022:15:350
111391270,1ptp4l721ktimersoftd/722:50:177
111391270,1ptp4l10526-21ssh22:36:294
111391270,0ptp4l0-21swapper/719:40:157
111391270,0ptp4l0-21swapper/622:14:306
111391270,0ptp4l0-21swapper/523:30:215
111391270,0ptp4l0-21swapper/522:25:175
111391270,0ptp4l0-21swapper/521:26:355
111391270,0ptp4l0-21swapper/500:31:015
111391270,0ptp4l0-21swapper/500:10:545
111391270,0ptp4l0-21swapper/400:17:224
111391270,0ptp4l0-21swapper/023:20:060
111391270,0ptp4l0-21swapper/023:07:160
111391270,0ptp4l0-21swapper/022:22:060
111391270,0ptp4l0-21swapper/000:17:370
111391260,0ptp4l0-21swapper/622:58:366
111391260,0ptp4l0-21swapper/523:43:285
111391260,0ptp4l0-21swapper/523:06:155
111391260,0ptp4l0-21swapper/521:59:295
111391260,0ptp4l0-21swapper/520:55:175
111391260,0ptp4l0-21swapper/421:56:554
111391260,0ptp4l0-21swapper/123:29:331
111391260,0ptp4l0-21swapper/120:25:161
111391260,0ptp4l0-21swapper/100:22:581
111391260,0ptp4l0-21swapper/022:49:360
111391260,0ptp4l0-21swapper/021:48:380
111391260,0ptp4l0-21swapper/000:10:320
111391250,3ptp4l0-21swapper/122:58:261
111391250,0ptp4l0-21swapper/523:58:385
111391250,0ptp4l0-21swapper/523:10:365
111391250,0ptp4l0-21swapper/521:42:375
111391250,0ptp4l0-21swapper/422:03:374
111391250,0ptp4l0-21swapper/400:36:584
111391250,0ptp4l0-21swapper/123:18:231
111391250,0ptp4l0-21swapper/121:19:191
111391250,0ptp4l0-21swapper/100:04:361
111391250,0ptp4l0-21swapper/021:40:190
111391250,0ptp4l0-21swapper/021:30:220
111391250,0ptp4l0-21swapper/021:30:210
111391250,0ptp4l0-21swapper/020:10:110
111391250,0ptp4l0-21swapper/019:45:180
111391240,1ptp4l7013-21users20:55:210
111391240,1ptp4l31595-21irqstats20:40:130
111391240,1ptp4l30422-21date21:35:013
111391240,1ptp4l30422-21date21:35:003
111391240,1ptp4l22935-21hddtemp_smartct22:55:124
111391240,1ptp4l1386-21df_inode19:35:114
111391240,1ptp4l11996-21diskmemload00:25:200
111391240,0ptp4l0-21swapper/721:35:127
111391240,0ptp4l0-21swapper/623:10:126
111391240,0ptp4l0-21swapper/523:54:475
111391240,0ptp4l0-21swapper/522:45:205
111391240,0ptp4l0-21swapper/521:17:505
111391240,0ptp4l0-21swapper/520:45:185
111391240,0ptp4l0-21swapper/500:03:375
111391240,0ptp4l0-21swapper/423:46:174
111391240,0ptp4l0-21swapper/423:30:284
111391240,0ptp4l0-21swapper/421:42:054
111391240,0ptp4l0-21swapper/420:35:014
111391240,0ptp4l0-21swapper/420:20:004
111391240,0ptp4l0-21swapper/420:05:214
111391240,0ptp4l0-21swapper/419:40:124
111391240,0ptp4l0-21swapper/400:00:304
111391240,0ptp4l0-21swapper/321:35:163
111391240,0ptp4l0-21swapper/222:15:152
111391240,0ptp4l0-21swapper/123:35:111
111391240,0ptp4l0-21swapper/122:19:201
111391240,0ptp4l0-21swapper/122:06:381
111391240,0ptp4l0-21swapper/121:50:191
111391240,0ptp4l0-21swapper/121:21:411
111391240,0ptp4l0-21swapper/023:15:180
111391240,0ptp4l0-21swapper/021:12:510
111391240,0ptp4l0-21swapper/021:05:140
111391240,0ptp4l0-21swapper/020:50:110
111391240,0ptp4l0-21swapper/020:35:110
111391240,0ptp4l0-21swapper/000:23:110
111391230,2ptp4l0-21swapper/123:40:461
111391230,1ptp4l25339-21ssh22:58:340
111391230,0ptp4l19667-21cut20:15:100
111391230,0ptp4l11996-21diskmemload22:15:136
111391230,0ptp4l11996-21diskmemload21:10:154
111391230,0ptp4l0-21swapper/721:32:277
111391230,0ptp4l0-21swapper/721:32:267
111391230,0ptp4l0-21swapper/621:22:006
111391230,0ptp4l0-21swapper/523:35:105
111391230,0ptp4l0-21swapper/523:23:285
111391230,0ptp4l0-21swapper/523:01:285
111391230,0ptp4l0-21swapper/522:05:525
111391230,0ptp4l0-21swapper/521:20:155
111391230,0ptp4l0-21swapper/520:40:155
111391230,0ptp4l0-21swapper/520:25:195
111391230,0ptp4l0-21swapper/519:40:005
111391230,0ptp4l0-21swapper/519:10:165
111391230,0ptp4l0-21swapper/500:35:105
111391230,0ptp4l0-21swapper/423:20:114
111391230,0ptp4l0-21swapper/423:17:324
111391230,0ptp4l0-21swapper/423:10:154
111391230,0ptp4l0-21swapper/423:09:394
111391230,0ptp4l0-21swapper/422:50:164
111391230,0ptp4l0-21swapper/422:45:134
111391230,0ptp4l0-21swapper/422:40:144
111391230,0ptp4l0-21swapper/422:32:104
111391230,0ptp4l0-21swapper/422:20:004
111391230,0ptp4l0-21swapper/422:10:154
111391230,0ptp4l0-21swapper/422:05:204
111391230,0ptp4l0-21swapper/421:30:224
111391230,0ptp4l0-21swapper/421:30:214
111391230,0ptp4l0-21swapper/421:19:514
111391230,0ptp4l0-21swapper/421:00:204
111391230,0ptp4l0-21swapper/421:00:004
111391230,0ptp4l0-21swapper/420:50:134
111391230,0ptp4l0-21swapper/420:20:144
111391230,0ptp4l0-21swapper/419:55:194
111391230,0ptp4l0-21swapper/419:45:194
111391230,0ptp4l0-21swapper/419:15:164
111391230,0ptp4l0-21swapper/400:34:554
111391230,0ptp4l0-21swapper/400:20:224
111391230,0ptp4l0-21swapper/322:50:183
111391230,0ptp4l0-21swapper/319:50:103
111391230,0ptp4l0-21swapper/123:20:511
111391230,0ptp4l0-21swapper/123:14:401
111391230,0ptp4l0-21swapper/123:00:011
111391230,0ptp4l0-21swapper/121:25:141
111391230,0ptp4l0-21swapper/120:00:121
111391230,0ptp4l0-21swapper/119:55:151
111391230,0ptp4l0-21swapper/119:30:211
111391230,0ptp4l0-21swapper/119:10:121
111391230,0ptp4l0-21swapper/100:37:141
111391230,0ptp4l0-21swapper/100:34:531
111391230,0ptp4l0-21swapper/023:46:040
111391230,0ptp4l0-21swapper/023:40:150
111391230,0ptp4l0-21swapper/022:35:130
111391230,0ptp4l0-21swapper/022:25:190
111391230,0ptp4l0-21swapper/022:10:130
111391230,0ptp4l0-21swapper/021:29:300
111391230,0ptp4l0-21swapper/021:15:130
111391230,0ptp4l0-21swapper/020:04:590
111391230,0ptp4l0-21swapper/019:35:190
111391230,0ptp4l0-21swapper/019:15:130
111391230,0ptp4l0-21swapper/000:33:470
111391220,2ptp4l0-21swapper/721:10:077
111391220,0ptp4l0-21swapper/723:53:397
111391220,0ptp4l0-21swapper/722:55:187
111391220,0ptp4l0-21swapper/719:50:127
111391220,0ptp4l0-21swapper/719:25:127
111391220,0ptp4l0-21swapper/623:00:206
111391220,0ptp4l0-21swapper/523:47:475
111391220,0ptp4l0-21swapper/522:57:195
111391220,0ptp4l0-21swapper/522:51:315
111391220,0ptp4l0-21swapper/522:30:145
111391220,0ptp4l0-21swapper/522:20:475
111391220,0ptp4l0-21swapper/522:16:245
111391220,0ptp4l0-21swapper/522:00:185
111391220,0ptp4l0-21swapper/521:46:415
111391220,0ptp4l0-21swapper/521:36:445
111391220,0ptp4l0-21swapper/520:30:145
111391220,0ptp4l0-21swapper/520:00:155
111391220,0ptp4l0-21swapper/519:55:145
111391220,0ptp4l0-21swapper/519:43:395
111391220,0ptp4l0-21swapper/519:26:115
111391220,0ptp4l0-21swapper/500:27:395
111391220,0ptp4l0-21swapper/500:06:195
111391220,0ptp4l0-21swapper/500:06:185
111391220,0ptp4l0-21swapper/423:55:404
111391220,0ptp4l0-21swapper/423:50:134
111391220,0ptp4l0-21swapper/423:37:034
111391220,0ptp4l0-21swapper/423:25:154
111391220,0ptp4l0-21swapper/422:25:184
111391220,0ptp4l0-21swapper/422:20:124
111391220,0ptp4l0-21swapper/421:45:194
111391220,0ptp4l0-21swapper/421:35:474
111391220,0ptp4l0-21swapper/421:25:124
111391220,0ptp4l0-21swapper/421:22:524
111391220,0ptp4l0-21swapper/421:05:164
111391220,0ptp4l0-21swapper/420:45:214
111391220,0ptp4l0-21swapper/420:40:104
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:10:134
111391220,0ptp4l0-21swapper/419:25:184
111391220,0ptp4l0-21swapper/419:20:184
111391220,0ptp4l0-21swapper/400:10:134
111391220,0ptp4l0-21swapper/323:53:013
111391220,0ptp4l0-21swapper/321:10:083
111391220,0ptp4l0-21swapper/320:16:373
111391220,0ptp4l0-21swapper/319:40:123
111391220,0ptp4l0-21swapper/200:33:232
111391220,0ptp4l0-21swapper/123:58:051
111391220,0ptp4l0-21swapper/123:48:461
111391220,0ptp4l0-21swapper/123:30:121
111391220,0ptp4l0-21swapper/122:35:001
111391220,0ptp4l0-21swapper/122:30:001
111391220,0ptp4l0-21swapper/121:43:481
111391220,0ptp4l0-21swapper/121:11:501
111391220,0ptp4l0-21swapper/120:55:111
111391220,0ptp4l0-21swapper/120:45:001
111391220,0ptp4l0-21swapper/120:25:001
111391220,0ptp4l0-21swapper/119:40:121
111391220,0ptp4l0-21swapper/119:29:051
111391220,0ptp4l0-21swapper/119:20:111
111391220,0ptp4l0-21swapper/100:05:181
111391220,0ptp4l0-21swapper/100:05:171
111391220,0ptp4l0-21swapper/023:55:160
111391220,0ptp4l0-21swapper/023:36:490
111391220,0ptp4l0-21swapper/023:33:220
111391220,0ptp4l0-21swapper/023:10:160
111391220,0ptp4l0-21swapper/023:00:170
111391220,0ptp4l0-21swapper/022:05:130
111391220,0ptp4l0-21swapper/022:02:010
111391220,0ptp4l0-21swapper/021:55:090
111391220,0ptp4l0-21swapper/021:50:120
111391220,0ptp4l0-21swapper/021:23:020
111391220,0ptp4l0-21swapper/021:00:160
111391220,0ptp4l0-21swapper/020:05:210
111391220,0ptp4l0-21swapper/019:55:210
111391220,0ptp4l0-21swapper/019:25:140
111391220,0ptp4l0-21swapper/019:20:160
111391220,0ptp4l0-21swapper/000:37:270
111391220,0ptp4l0-21swapper/000:00:160
139492210,0sleep51068-21runrttasks22:40:575
111391210,0ptp4l0-21swapper/721:51:157
111391210,0ptp4l0-21swapper/721:16:567
111391210,0ptp4l0-21swapper/720:17:187
111391210,0ptp4l0-21swapper/719:47:547
111391210,0ptp4l0-21swapper/622:07:316
111391210,0ptp4l0-21swapper/621:34:426
111391210,0ptp4l0-21swapper/621:34:416
111391210,0ptp4l0-21swapper/600:33:256
111391210,0ptp4l0-21swapper/523:29:355
111391210,0ptp4l0-21swapper/523:18:245
111391210,0ptp4l0-21swapper/522:35:115
111391210,0ptp4l0-21swapper/522:13:345
111391210,0ptp4l0-21swapper/521:31:405
111391210,0ptp4l0-21swapper/521:31:405
111391210,0ptp4l0-21swapper/520:06:355
111391210,0ptp4l0-21swapper/322:55:403
111391210,0ptp4l0-21swapper/223:00:242
111391210,0ptp4l0-21swapper/222:07:062
111391210,0ptp4l0-21swapper/221:51:582
111391210,0ptp4l0-21swapper/221:34:412
111391210,0ptp4l0-21swapper/221:34:402
111391210,0ptp4l0-21swapper/122:50:121
111391210,0ptp4l0-21swapper/122:44:221
111391210,0ptp4l0-21swapper/122:13:101
111391210,0ptp4l0-21swapper/121:38:581
111391210,0ptp4l0-21swapper/121:32:201
111391210,0ptp4l0-21swapper/121:32:201
111391210,0ptp4l0-21swapper/121:04:251
111391210,0ptp4l0-21swapper/120:54:101
111391210,0ptp4l0-21swapper/119:54:551
111391210,0ptp4l0-21swapper/021:35:500
111391210,0ptp4l0-21swapper/020:45:210
111391210,0ptp4l0-21swapper/020:20:160
111391210,0ptp4l0-21swapper/019:34:550
111391210,0ptp4l0-21swapper/000:05:550
111391210,0ptp4l0-21swapper/000:05:540
111391200,0ptp4l0-21swapper/521:11:525
111391200,0ptp4l0-21swapper/520:20:585
111391200,0ptp4l0-21swapper/500:22:185
111391200,0ptp4l0-21swapper/222:56:202
111391200,0ptp4l0-21swapper/222:14:312
111391200,0ptp4l0-21swapper/221:21:452
111391200,0ptp4l0-21swapper/219:37:552
111391200,0ptp4l0-21swapper/120:37:351
111391200,0ptp4l0-21swapper/120:05:211
111391200,0ptp4l0-21swapper/119:38:561
111391200,0ptp4l0-21swapper/119:19:341
111391200,0ptp4l0-21swapper/019:15:000
111391190,3ptp4l321ktimersoftd/220:17:272
111391190,0ptp4l0-21swapper/622:39:436
111391190,0ptp4l0-21swapper/621:54:286
111391190,0ptp4l0-21swapper/600:07:136
111391190,0ptp4l0-21swapper/600:07:126
111391190,0ptp4l0-21swapper/521:09:315
111391190,0ptp4l0-21swapper/520:54:085
111391190,0ptp4l0-21swapper/519:53:545
111391190,0ptp4l0-21swapper/519:20:135
111391190,0ptp4l0-21swapper/321:51:143
111391190,0ptp4l0-21swapper/319:49:343
111391190,0ptp4l0-21swapper/223:24:112
111391190,0ptp4l0-21swapper/200:22:242
111391190,0ptp4l0-21swapper/120:18:541
111391190,0ptp4l0-21swapper/119:46:191
111391190,0ptp4l0-21swapper/020:34:450
312912180,1sleep71068-21runrttasks19:30:127
111391180,0ptp4l0-21swapper/419:34:054
111391180,0ptp4l0-21swapper/223:34:142
111391180,0ptp4l0-21swapper/120:10:371
111391180,0ptp4l0-21swapper/100:17:001
111391170,2ptp4l0-21swapper/019:51:190
111391170,1ptp4l33-21ksoftirqd/223:10:042
111391170,0ptp4l1061-21snmpd19:44:500
111391170,0ptp4l0-21swapper/500:15:065
111391170,0ptp4l0-21swapper/420:26:584
111391170,0ptp4l0-21swapper/420:01:544
111391170,0ptp4l0-21swapper/222:39:432
111391170,0ptp4l0-21swapper/200:07:102
111391170,0ptp4l0-21swapper/200:07:102
111391160,1ptp4l9-21ksoftirqd/020:27:120
111391160,0ptp4l0-21swapper/623:36:076
111391160,0ptp4l0-21swapper/623:24:086
111391160,0ptp4l0-21swapper/621:01:106
111391160,0ptp4l0-21swapper/519:45:495
111391160,0ptp4l0-21swapper/419:51:274
111391160,0ptp4l0-21swapper/419:14:514
111391160,0ptp4l0-21swapper/321:16:503
111391160,0ptp4l0-21swapper/319:25:003
111391160,0ptp4l0-21swapper/223:36:052
111391160,0ptp4l0-21swapper/221:03:372
2127999150,1cyclictest0-21swapper/620:25:136
111391150,0ptp4l0-21swapper/719:24:527
111391150,0ptp4l0-21swapper/620:17:306
111391150,0ptp4l0-21swapper/619:44:176
111391150,0ptp4l0-21swapper/619:37:486
111391150,0ptp4l0-21swapper/619:18:086
111391150,0ptp4l0-21swapper/521:02:275
111391150,0ptp4l0-21swapper/520:39:235
111391150,0ptp4l0-21swapper/520:11:585
111391150,0ptp4l0-21swapper/519:15:335
111391150,0ptp4l0-21swapper/222:46:082
111391150,0ptp4l0-21swapper/121:09:111
111391140,0ptp4l0-21swapper/720:58:027
111391140,0ptp4l0-21swapper/720:46:387
111391140,0ptp4l0-21swapper/623:34:116
111391140,0ptp4l0-21swapper/621:08:336
111391140,0ptp4l0-21swapper/620:13:566
111391140,0ptp4l0-21swapper/520:15:485
111391140,0ptp4l0-21swapper/320:46:413
111391140,0ptp4l0-21swapper/221:08:342
111391140,0ptp4l0-21swapper/220:28:482
111391140,0ptp4l0-21swapper/220:13:572
111391140,0ptp4l0-21swapper/220:09:402
111391140,0ptp4l0-21swapper/219:44:172
111391140,0ptp4l0-21swapper/219:18:062
2125899129,1cyclictest26002-21munin-run20:29:593
2128699110,1cyclictest3410-21rm22:26:067
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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