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2026-06-24 - 10:08

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 Wed Jun 24, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,28ptp4l0-21swapper/019:05:210
111391620,5ptp4l0-21swapper/419:07:394
111391610,30ptp4l0-21swapper/219:07:082
111391600,25ptp4l0-21swapper/119:05:211
75082550,0sleep30-21swapper/323:45:123
96042480,2sleep53262799cyclictest21:34:575
3230324837,6sleep60-21swapper/619:09:536
3209924631,10sleep50-21swapper/519:07:125
3205724635,6sleep70-21swapper/719:06:417
3136724634,7sleep30-21swapper/319:05:173
111391350,0ptp4l0-21swapper/421:55:234
111391330,0ptp4l0-21swapper/421:17:444
111391310,0ptp4l0-21swapper/023:23:060
111391310,0ptp4l0-21swapper/000:01:360
111391300,0ptp4l0-21swapper/522:00:145
111391300,0ptp4l0-21swapper/423:07:134
111391300,0ptp4l0-21swapper/121:15:421
111391300,0ptp4l0-21swapper/022:30:120
111391300,0ptp4l0-21swapper/000:26:500
111391290,5ptp4l0-21swapper/522:43:195
111391290,0ptp4l0-21swapper/523:18:585
111391290,0ptp4l0-21swapper/423:50:594
111391290,0ptp4l0-21swapper/422:52:304
111391290,0ptp4l0-21swapper/421:43:534
111391290,0ptp4l0-21swapper/400:38:354
111391290,0ptp4l0-21swapper/400:30:554
111391290,0ptp4l0-21swapper/400:02:404
111391290,0ptp4l0-21swapper/021:47:260
111391290,0ptp4l0-21swapper/021:44:060
111391290,0ptp4l0-21swapper/021:32:020
111391280,4ptp4l0-21swapper/123:29:011
111391280,4ptp4l0-21swapper/022:21:180
111391280,3ptp4l0-21swapper/500:08:065
111391280,0ptp4l0-21swapper/522:09:525
111391280,0ptp4l0-21swapper/522:09:525
111391280,0ptp4l0-21swapper/520:25:215
111391280,0ptp4l0-21swapper/423:11:414
111391280,0ptp4l0-21swapper/422:57:524
111391280,0ptp4l0-21swapper/422:34:304
111391280,0ptp4l0-21swapper/422:19:564
111391280,0ptp4l0-21swapper/100:13:291
111391280,0ptp4l0-21swapper/023:27:590
111391280,0ptp4l0-21swapper/022:29:210
111391280,0ptp4l0-21swapper/022:18:020
111391270,0ptp4l0-21swapper/523:51:555
111391270,0ptp4l0-21swapper/521:02:425
111391270,0ptp4l0-21swapper/422:13:104
111391270,0ptp4l0-21swapper/422:13:104
111391270,0ptp4l0-21swapper/421:36:074
111391270,0ptp4l0-21swapper/421:25:244
111391270,0ptp4l0-21swapper/123:41:491
111391270,0ptp4l0-21swapper/022:05:340
111391270,0ptp4l0-21swapper/022:05:340
111391270,0ptp4l0-21swapper/022:01:320
111391270,0ptp4l0-21swapper/000:30:310
111391260,2ptp4l0-21swapper/500:11:355
111391260,2ptp4l0-21swapper/023:54:550
111391260,0ptp4l0-21swapper/523:55:185
111391260,0ptp4l0-21swapper/520:40:135
111391260,0ptp4l0-21swapper/519:35:175
111391260,0ptp4l0-21swapper/423:59:224
111391260,0ptp4l0-21swapper/423:35:074
111391260,0ptp4l0-21swapper/423:32:524
111391260,0ptp4l0-21swapper/423:27:144
111391260,0ptp4l0-21swapper/423:00:534
111391260,0ptp4l0-21swapper/422:20:424
111391260,0ptp4l0-21swapper/422:00:474
111391260,0ptp4l0-21swapper/400:26:474
111391260,0ptp4l0-21swapper/400:09:474
111391260,0ptp4l0-21swapper/120:05:161
111391260,0ptp4l0-21swapper/023:39:240
111391260,0ptp4l0-21swapper/021:20:210
111391260,0ptp4l0-21swapper/020:10:160
111391250,1ptp4l7350-21cpuspeed_turbos23:45:125
111391250,1ptp4l15095-21hddtemp_smartct19:40:131
111391250,0ptp4l0-21swapper/523:02:105
111391250,0ptp4l0-21swapper/522:21:525
111391250,0ptp4l0-21swapper/521:14:175
111391250,0ptp4l0-21swapper/520:15:145
111391250,0ptp4l0-21swapper/520:05:145
111391250,0ptp4l0-21swapper/423:20:004
111391250,0ptp4l0-21swapper/422:48:454
111391250,0ptp4l0-21swapper/421:25:004
111391250,0ptp4l0-21swapper/400:10:144
111391250,0ptp4l0-21swapper/119:35:211
111391250,0ptp4l0-21swapper/023:45:380
111391250,0ptp4l0-21swapper/023:43:110
111391250,0ptp4l0-21swapper/023:30:330
111391250,0ptp4l0-21swapper/022:52:430
111391250,0ptp4l0-21swapper/022:48:080
111391250,0ptp4l0-21swapper/021:28:230
111391250,0ptp4l0-21swapper/021:15:160
111391250,0ptp4l0-21swapper/020:55:200
111391250,0ptp4l0-21swapper/020:05:470
111391250,0ptp4l0-21swapper/000:24:050
111391240,3ptp4l0-21swapper/423:40:034
111391240,1ptp4l9019-21sensors19:25:205
111391240,1ptp4l8180-21df19:25:121
111391240,1ptp4l4480-21open_files22:55:191
111391240,1ptp4l3396-21smartctl20:25:131
111391240,1ptp4l25-21ksoftirqd/123:10:211
111391240,0ptp4l0-21swapper/422:39:234
111391240,0ptp4l0-21swapper/422:06:024
111391240,0ptp4l0-21swapper/422:06:014
111391240,0ptp4l0-21swapper/421:50:334
111391240,0ptp4l0-21swapper/421:47:254
111391240,0ptp4l0-21swapper/421:30:154
111391240,0ptp4l0-21swapper/420:25:014
111391240,0ptp4l0-21swapper/419:40:444
111391240,0ptp4l0-21swapper/400:16:124
111391240,0ptp4l0-21swapper/122:50:211
111391240,0ptp4l0-21swapper/122:10:191
111391240,0ptp4l0-21swapper/122:10:181
111391240,0ptp4l0-21swapper/100:30:211
111391240,0ptp4l0-21swapper/023:05:490
111391240,0ptp4l0-21swapper/023:00:160
111391240,0ptp4l0-21swapper/022:40:190
111391240,0ptp4l0-21swapper/020:20:140
111391240,0ptp4l0-21swapper/019:15:150
111391240,0ptp4l0-21swapper/000:05:090
111391230,4ptp4l0-21swapper/423:48:454
111391230,1ptp4l7971-21fw_forwarded_lo20:35:131
111391230,1ptp4l5009-21ssh21:27:441
111391230,1ptp4l23354-21diskmemload21:50:021
111391230,0ptp4l6535-21strings19:20:160
111391230,0ptp4l0-21swapper/620:34:596
111391230,0ptp4l0-21swapper/523:44:105
111391230,0ptp4l0-21swapper/523:26:275
111391230,0ptp4l0-21swapper/523:10:215
111391230,0ptp4l0-21swapper/523:05:365
111391230,0ptp4l0-21swapper/522:45:115
111391230,0ptp4l0-21swapper/522:35:165
111391230,0ptp4l0-21swapper/522:10:165
111391230,0ptp4l0-21swapper/522:10:165
111391230,0ptp4l0-21swapper/521:53:135
111391230,0ptp4l0-21swapper/521:45:125
111391230,0ptp4l0-21swapper/520:35:165
111391230,0ptp4l0-21swapper/520:00:245
111391230,0ptp4l0-21swapper/519:45:135
111391230,0ptp4l0-21swapper/519:40:005
111391230,0ptp4l0-21swapper/519:30:125
111391230,0ptp4l0-21swapper/519:30:125
111391230,0ptp4l0-21swapper/500:20:035
111391230,0ptp4l0-21swapper/500:15:165
111391230,0ptp4l0-21swapper/423:20:154
111391230,0ptp4l0-21swapper/422:40:174
111391230,0ptp4l0-21swapper/422:25:144
111391230,0ptp4l0-21swapper/421:10:594
111391230,0ptp4l0-21swapper/421:05:134
111391230,0ptp4l0-21swapper/421:00:184
111391230,0ptp4l0-21swapper/420:45:144
111391230,0ptp4l0-21swapper/420:30:214
111391230,0ptp4l0-21swapper/419:55:114
111391230,0ptp4l0-21swapper/419:30:154
111391230,0ptp4l0-21swapper/419:30:144
111391230,0ptp4l0-21swapper/419:20:124
111391230,0ptp4l0-21swapper/419:15:164
111391230,0ptp4l0-21swapper/400:21:334
111391230,0ptp4l0-21swapper/323:25:213
111391230,0ptp4l0-21swapper/222:34:262
111391230,0ptp4l0-21swapper/221:11:222
111391230,0ptp4l0-21swapper/219:40:172
111391230,0ptp4l0-21swapper/123:50:151
111391230,0ptp4l0-21swapper/123:45:071
111391230,0ptp4l0-21swapper/123:37:491
111391230,0ptp4l0-21swapper/123:24:391
111391230,0ptp4l0-21swapper/122:35:121
111391230,0ptp4l0-21swapper/122:22:011
111391230,0ptp4l0-21swapper/122:18:001
111391230,0ptp4l0-21swapper/122:09:081
111391230,0ptp4l0-21swapper/122:09:071
111391230,0ptp4l0-21swapper/121:45:131
111391230,0ptp4l0-21swapper/121:35:071
111391230,0ptp4l0-21swapper/121:30:131
111391230,0ptp4l0-21swapper/121:11:431
111391230,0ptp4l0-21swapper/120:40:121
111391230,0ptp4l0-21swapper/120:15:091
111391230,0ptp4l0-21swapper/120:00:001
111391230,0ptp4l0-21swapper/100:25:031
111391230,0ptp4l0-21swapper/100:15:151
111391230,0ptp4l0-21swapper/100:08:431
111391230,0ptp4l0-21swapper/023:55:090
111391230,0ptp4l0-21swapper/023:15:150
111391230,0ptp4l0-21swapper/023:10:140
111391230,0ptp4l0-21swapper/022:55:200
111391230,0ptp4l0-21swapper/022:39:300
111391230,0ptp4l0-21swapper/021:55:150
111391230,0ptp4l0-21swapper/021:35:210
111391230,0ptp4l0-21swapper/021:10:230
111391230,0ptp4l0-21swapper/021:06:010
111391230,0ptp4l0-21swapper/020:30:220
111391230,0ptp4l0-21swapper/019:55:120
111391230,0ptp4l0-21swapper/019:45:200
111391230,0ptp4l0-21swapper/019:10:160
111391230,0ptp4l0-21swapper/000:35:180
111391230,0ptp4l0-21swapper/000:19:340
111391230,0ptp4l0-21swapper/000:10:170
111391220,3ptp4l0-21swapper/520:56:425
111391220,3ptp4l0-21swapper/020:17:000
111391220,1ptp4l7983-21sort00:30:205
111391220,1ptp4l17087-21/usr/sbin/munin19:45:101
111391220,0ptp4l0-21swapper/723:51:337
111391220,0ptp4l0-21swapper/621:11:226
111391220,0ptp4l0-21swapper/619:40:196
111391220,0ptp4l0-21swapper/523:24:385
111391220,0ptp4l0-21swapper/522:55:135
111391220,0ptp4l0-21swapper/522:50:195
111391220,0ptp4l0-21swapper/522:30:025
111391220,0ptp4l0-21swapper/522:27:535
111391220,0ptp4l0-21swapper/522:17:515
111391220,0ptp4l0-21swapper/521:57:365
111391220,0ptp4l0-21swapper/521:26:195
111391220,0ptp4l0-21swapper/520:30:005
111391220,0ptp4l0-21swapper/520:20:265
111391220,0ptp4l0-21swapper/500:39:445
111391220,0ptp4l0-21swapper/500:25:125
111391220,0ptp4l0-21swapper/420:55:164
111391220,0ptp4l0-21swapper/420:50:134
111391220,0ptp4l0-21swapper/420:35:204
111391220,0ptp4l0-21swapper/420:10:164
111391220,0ptp4l0-21swapper/420:06:134
111391220,0ptp4l0-21swapper/419:50:154
111391220,0ptp4l0-21swapper/323:51:313
111391220,0ptp4l0-21swapper/219:20:162
111391220,0ptp4l0-21swapper/123:55:161
111391220,0ptp4l0-21swapper/123:15:041
111391220,0ptp4l0-21swapper/123:05:211
111391220,0ptp4l0-21swapper/123:00:111
111391220,0ptp4l0-21swapper/122:40:311
111391220,0ptp4l0-21swapper/122:34:561
111391220,0ptp4l0-21swapper/122:26:221
111391220,0ptp4l0-21swapper/122:00:131
111391220,0ptp4l0-21swapper/121:58:181
111391220,0ptp4l0-21swapper/121:44:421
111391220,0ptp4l0-21swapper/120:55:231
111391220,0ptp4l0-21swapper/120:00:131
111391220,0ptp4l0-21swapper/100:38:381
111391220,0ptp4l0-21swapper/100:00:561
111391220,0ptp4l0-21swapper/022:11:530
111391220,0ptp4l0-21swapper/022:11:520
111391220,0ptp4l0-21swapper/021:50:210
111391220,0ptp4l0-21swapper/021:00:190
111391220,0ptp4l0-21swapper/020:45:150
111391220,0ptp4l0-21swapper/020:39:050
111391220,0ptp4l0-21swapper/020:29:090
111391220,0ptp4l0-21swapper/020:01:550
111391220,0ptp4l0-21swapper/019:50:010
111391220,0ptp4l0-21swapper/019:35:000
111391220,0ptp4l0-21swapper/019:30:160
111391220,0ptp4l0-21swapper/019:30:160
111391210,0ptp4l0-21swapper/723:25:227
111391210,0ptp4l0-21swapper/620:58:286
111391210,0ptp4l0-21swapper/619:20:196
111391210,0ptp4l0-21swapper/521:44:255
111391210,0ptp4l0-21swapper/521:35:105
111391210,0ptp4l0-21swapper/521:21:595
111391210,0ptp4l0-21swapper/521:15:495
111391210,0ptp4l0-21swapper/521:05:395
111391210,0ptp4l0-21swapper/500:00:095
111391210,0ptp4l0-21swapper/420:43:304
111391210,0ptp4l0-21swapper/420:27:594
111391210,0ptp4l0-21swapper/419:49:384
111391210,0ptp4l0-21swapper/419:11:244
111391210,0ptp4l0-21swapper/319:27:403
111391210,0ptp4l0-21swapper/222:54:172
111391210,0ptp4l0-21swapper/221:59:072
111391210,0ptp4l0-21swapper/221:40:182
111391210,0ptp4l0-21swapper/200:31:462
111391210,0ptp4l0-21swapper/200:13:582
111391210,0ptp4l0-21swapper/123:30:011
111391210,0ptp4l0-21swapper/122:45:311
111391210,0ptp4l0-21swapper/121:08:591
111391210,0ptp4l0-21swapper/120:20:251
111391210,0ptp4l0-21swapper/120:10:571
111391210,0ptp4l0-21swapper/100:20:121
111391210,0ptp4l0-21swapper/019:43:530
111391200,1ptp4l2122-21runrttasks23:36:505
111391200,0ptp4l31324-21ssh00:19:252
111391200,0ptp4l0-21swapper/600:31:456
111391200,0ptp4l0-21swapper/523:33:465
111391200,0ptp4l0-21swapper/520:13:405
111391200,0ptp4l0-21swapper/519:54:585
111391200,0ptp4l0-21swapper/519:20:125
111391200,0ptp4l0-21swapper/420:19:074
111391200,0ptp4l0-21swapper/420:04:474
111391200,0ptp4l0-21swapper/419:35:404
111391200,0ptp4l0-21swapper/321:36:133
111391200,0ptp4l0-21swapper/223:25:412
111391200,0ptp4l0-21swapper/222:38:532
111391200,0ptp4l0-21swapper/200:02:082
111391200,0ptp4l0-21swapper/120:32:581
111391200,0ptp4l0-21swapper/119:10:101
111391200,0ptp4l0-21swapper/020:50:230
111391200,0ptp4l0-21swapper/020:41:410
111391190,3ptp4l401ktimersoftd/323:14:223
111391190,0ptp4l0-21swapper/623:24:246
111391190,0ptp4l0-21swapper/621:00:596
111391190,0ptp4l0-21swapper/519:59:575
111391190,0ptp4l0-21swapper/121:23:291
111391180,0ptp4l0-21swapper/623:25:436
111391180,0ptp4l0-21swapper/622:54:196
111391180,0ptp4l0-21swapper/622:48:516
111391180,0ptp4l0-21swapper/622:34:276
111391180,0ptp4l0-21swapper/621:59:096
111391180,0ptp4l0-21swapper/222:48:512
111391180,0ptp4l0-21swapper/119:30:111
111391180,0ptp4l0-21swapper/119:30:101
111391170,0ptp4l0-21swapper/721:36:157
111391170,0ptp4l0-21swapper/719:27:367
111391170,0ptp4l0-21swapper/623:55:296
111391170,0ptp4l0-21swapper/623:36:146
111391170,0ptp4l0-21swapper/621:34:596
111391170,0ptp4l0-21swapper/600:14:006
111391170,0ptp4l0-21swapper/223:55:312
111391170,0ptp4l0-21swapper/222:13:302
111391170,0ptp4l0-21swapper/222:13:302
111391160,0ptp4l0-21swapper/519:14:505
111391160,0ptp4l0-21swapper/223:24:242
111391160,0ptp4l0-21swapper/200:05:292
111391160,0ptp4l0-21swapper/120:47:101
111391160,0ptp4l0-21swapper/119:20:131
111391160,0ptp4l0-21swapper/019:28:450
111391150,0ptp4l0-21swapper/623:54:356
111391150,0ptp4l0-21swapper/622:59:076
111391150,0ptp4l0-21swapper/622:13:306
111391150,0ptp4l0-21swapper/622:13:306
111391150,0ptp4l0-21swapper/620:50:526
111391150,0ptp4l0-21swapper/620:41:516
111391150,0ptp4l0-21swapper/620:25:476
111391150,0ptp4l0-21swapper/620:02:136
111391150,0ptp4l0-21swapper/619:36:046
111391150,0ptp4l0-21swapper/600:05:306
111391150,0ptp4l0-21swapper/520:52:265
111391150,0ptp4l0-21swapper/520:46:115
111391150,0ptp4l0-21swapper/519:15:455
111391150,0ptp4l0-21swapper/419:28:094
111391150,0ptp4l0-21swapper/223:54:372
111391150,0ptp4l0-21swapper/220:58:412
111391150,0ptp4l0-21swapper/220:53:422
111391150,0ptp4l0-21swapper/220:41:442
111391150,0ptp4l0-21swapper/220:34:512
111391150,0ptp4l0-21swapper/220:15:512
111391150,0ptp4l0-21swapper/219:37:422
111391150,0ptp4l0-21swapper/121:01:341
111391150,0ptp4l0-21swapper/120:52:211
111391150,0ptp4l0-21swapper/119:51:141
111391150,0ptp4l0-21swapper/119:16:501
111391140,0ptp4l0-21swapper/723:14:237
111391140,0ptp4l0-21swapper/720:51:037
111391140,0ptp4l0-21swapper/620:35:046
111391140,0ptp4l0-21swapper/620:15:476
111391140,0ptp4l0-21swapper/619:32:236
111391140,0ptp4l0-21swapper/619:32:226
111391140,0ptp4l0-21swapper/600:19:246
111391140,0ptp4l0-21swapper/221:00:562
111391140,0ptp4l0-21swapper/220:45:262
111391140,0ptp4l0-21swapper/220:35:022
111391140,0ptp4l0-21swapper/220:25:452
111391140,0ptp4l0-21swapper/220:02:132
3264199138,4cyclictest0-21swapper/721:59:107
32633991311,1cyclictest0-21swapper/621:15:136
3264199110,10cyclictest0-21swapper/723:24:577
3264199109,0cyclictest0-21swapper/723:02:207
3264199109,0cyclictest0-21swapper/722:40:207
3264199100,9cyclictest0-21swapper/722:02:197
3264199100,0cyclictest0-21swapper/723:48:327
3264199100,0cyclictest0-21swapper/723:15:147
3260799109,0cyclictest0-21swapper/223:07:572
3260799109,0cyclictest0-21swapper/221:26:162
3260799100,9cyclictest0-21swapper/222:01:272
3260799100,9cyclictest0-21swapper/221:20:372
188191100,5phc2sys0-21swapper/623:45:356
326419998,0cyclictest0-21swapper/700:31:177
326419997,1cyclictest20650-21turbostat21:50:007
326419990,0cyclictest0-21swapper/723:59:047
326129990,8cyclictest0-21swapper/322:50:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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