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2026-05-24 - 07:53

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 May 24, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391660,28ptp4l0-21swapper/119:05:131
83852600,0sleep30-21swapper/319:25:203
233112590,1sleep09-21ksoftirqd/021:53:090
142492580,0sleep60-21swapper/623:52:116
111391580,5ptp4l0-21swapper/519:09:555
3150725736,6sleep20-21swapper/219:09:012
1881915733,7phc2sys0-21swapper/419:08:234
242232560,0sleep30-21swapper/321:10:183
3145025444,6sleep70-21swapper/719:08:187
3143225139,7sleep00-21swapper/019:08:020
3124924634,7sleep30-21swapper/319:05:413
3153124534,6sleep60-21swapper/619:09:216
111391330,0ptp4l0-21swapper/023:35:110
111391320,0ptp4l0-21swapper/522:47:305
111391320,0ptp4l0-21swapper/423:29:554
111391320,0ptp4l0-21swapper/420:35:194
111391320,0ptp4l0-21swapper/119:15:171
111391310,4ptp4l0-21swapper/422:46:184
111391310,3ptp4l0-21swapper/023:01:200
111391310,3ptp4l0-21swapper/022:15:010
111391310,3ptp4l0-21swapper/022:15:000
111391310,0ptp4l0-21swapper/400:19:214
111391310,0ptp4l0-21swapper/200:37:552
111391310,0ptp4l0-21swapper/021:19:400
111391300,2ptp4l0-21swapper/522:44:475
111391300,0ptp4l0-21swapper/720:10:177
111391300,0ptp4l0-21swapper/423:44:174
111391300,0ptp4l0-21swapper/023:44:440
111391300,0ptp4l0-21swapper/000:16:020
111391290,0ptp4l0-21swapper/422:38:024
111391290,0ptp4l0-21swapper/422:23:134
111391290,0ptp4l0-21swapper/022:52:480
111391290,0ptp4l0-21swapper/021:47:460
111391290,0ptp4l0-21swapper/021:30:570
111391280,0ptp4l0-21swapper/623:33:176
111391280,0ptp4l0-21swapper/600:37:566
111391280,0ptp4l0-21swapper/522:14:295
111391280,0ptp4l0-21swapper/522:14:295
111391280,0ptp4l0-21swapper/423:30:174
111391280,0ptp4l0-21swapper/422:41:204
111391280,0ptp4l0-21swapper/400:21:174
111391280,0ptp4l0-21swapper/023:07:470
111391280,0ptp4l0-21swapper/022:36:170
111391280,0ptp4l0-21swapper/020:56:050
111391280,0ptp4l0-21swapper/020:35:120
111391270,1ptp4l22614-21diskmemload21:31:146
111391270,1ptp4l0-21swapper/023:57:190
111391270,0ptp4l0-21swapper/422:08:414
111391270,0ptp4l0-21swapper/421:41:204
111391270,0ptp4l0-21swapper/421:18:524
111391270,0ptp4l0-21swapper/122:12:011
111391270,0ptp4l0-21swapper/122:12:001
111391270,0ptp4l0-21swapper/122:06:061
111391270,0ptp4l0-21swapper/023:49:050
111391270,0ptp4l0-21swapper/023:15:030
111391270,0ptp4l0-21swapper/021:12:350
111391260,4ptp4l0-21swapper/400:11:094
111391260,0ptp4l0-21swapper/523:57:505
111391260,0ptp4l0-21swapper/520:25:015
111391260,0ptp4l0-21swapper/520:06:235
111391260,0ptp4l0-21swapper/519:10:135
111391260,0ptp4l0-21swapper/500:02:405
111391260,0ptp4l0-21swapper/423:57:424
111391260,0ptp4l0-21swapper/422:56:564
111391260,0ptp4l0-21swapper/421:38:044
111391260,0ptp4l0-21swapper/421:22:404
111391260,0ptp4l0-21swapper/420:17:254
111391260,0ptp4l0-21swapper/400:37:424
111391260,0ptp4l0-21swapper/121:58:501
111391260,0ptp4l0-21swapper/023:24:010
111391260,0ptp4l0-21swapper/022:58:110
111391260,0ptp4l0-21swapper/020:40:140
111391260,0ptp4l0-21swapper/000:39:270
111391260,0ptp4l0-21swapper/000:01:580
111391250,1ptp4l20342-21munin-run21:49:594
111391250,0ptp4l0-21swapper/622:45:456
111391250,0ptp4l0-21swapper/621:28:126
111391250,0ptp4l0-21swapper/520:25:135
111391250,0ptp4l0-21swapper/423:21:494
111391250,0ptp4l0-21swapper/422:34:524
111391250,0ptp4l0-21swapper/422:13:284
111391250,0ptp4l0-21swapper/422:13:274
111391250,0ptp4l0-21swapper/421:27:554
111391250,0ptp4l0-21swapper/419:40:184
111391250,0ptp4l0-21swapper/222:00:182
111391250,0ptp4l0-21swapper/123:57:561
111391250,0ptp4l0-21swapper/121:51:101
111391250,0ptp4l0-21swapper/120:20:181
111391250,0ptp4l0-21swapper/021:29:000
111391250,0ptp4l0-21swapper/000:32:230
111391250,0ptp4l0-21swapper/000:13:240
111391240,1ptp4l8907-21irqrtprio23:45:164
111391240,1ptp4l4947-21df00:25:110
111391240,1ptp4l4289-21cat23:39:593
111391240,1ptp4l31497-21cat21:20:165
111391240,1ptp4l31213-21smart_sda20:15:200
111391240,1ptp4l27268-21ssh23:25:201
111391240,1ptp4l12838-21latency_hist21:40:011
111391240,0ptp4l0-21swapper/620:55:206
111391240,0ptp4l0-21swapper/620:15:146
111391240,0ptp4l0-21swapper/523:25:155
111391240,0ptp4l0-21swapper/522:29:255
111391240,0ptp4l0-21swapper/522:19:085
111391240,0ptp4l0-21swapper/521:50:135
111391240,0ptp4l0-21swapper/521:05:125
111391240,0ptp4l0-21swapper/519:50:135
111391240,0ptp4l0-21swapper/500:25:305
111391240,0ptp4l0-21swapper/423:15:134
111391240,0ptp4l0-21swapper/422:50:134
111391240,0ptp4l0-21swapper/422:26:324
111391240,0ptp4l0-21swapper/421:50:034
111391240,0ptp4l0-21swapper/421:13:314
111391240,0ptp4l0-21swapper/421:09:594
111391240,0ptp4l0-21swapper/421:00:104
111391240,0ptp4l0-21swapper/419:25:164
111391240,0ptp4l0-21swapper/400:30:204
111391240,0ptp4l0-21swapper/222:53:192
111391240,0ptp4l0-21swapper/122:58:561
111391240,0ptp4l0-21swapper/122:25:211
111391240,0ptp4l0-21swapper/121:05:161
111391240,0ptp4l0-21swapper/023:27:060
111391240,0ptp4l0-21swapper/022:15:060
111391240,0ptp4l0-21swapper/021:55:140
111391240,0ptp4l0-21swapper/020:10:110
111391230,1ptp4l26317-21cpuspeed_turbos00:10:121
111391230,1ptp4l23189-21sendmail_mailst23:20:185
111391230,0ptp4l22614-21diskmemload22:45:160
111391230,0ptp4l22614-21diskmemload21:20:131
111391230,0ptp4l0-21swapper/623:49:346
111391230,0ptp4l0-21swapper/622:00:116
111391230,0ptp4l0-21swapper/621:51:166
111391230,0ptp4l0-21swapper/523:39:295
111391230,0ptp4l0-21swapper/523:34:085
111391230,0ptp4l0-21swapper/522:56:425
111391230,0ptp4l0-21swapper/522:30:135
111391230,0ptp4l0-21swapper/522:04:495
111391230,0ptp4l0-21swapper/521:56:285
111391230,0ptp4l0-21swapper/521:35:135
111391230,0ptp4l0-21swapper/521:25:125
111391230,0ptp4l0-21swapper/519:15:175
111391230,0ptp4l0-21swapper/423:10:004
111391230,0ptp4l0-21swapper/423:05:004
111391230,0ptp4l0-21swapper/422:17:474
111391230,0ptp4l0-21swapper/422:00:224
111391230,0ptp4l0-21swapper/421:55:174
111391230,0ptp4l0-21swapper/421:30:124
111391230,0ptp4l0-21swapper/420:55:154
111391230,0ptp4l0-21swapper/420:40:124
111391230,0ptp4l0-21swapper/420:30:174
111391230,0ptp4l0-21swapper/419:55:214
111391230,0ptp4l0-21swapper/419:35:124
111391230,0ptp4l0-21swapper/419:35:124
111391230,0ptp4l0-21swapper/419:30:164
111391230,0ptp4l0-21swapper/400:00:154
111391230,0ptp4l0-21swapper/223:12:362
111391230,0ptp4l0-21swapper/220:15:152
111391230,0ptp4l0-21swapper/219:30:182
111391230,0ptp4l0-21swapper/123:45:241
111391230,0ptp4l0-21swapper/123:40:171
111391230,0ptp4l0-21swapper/123:35:131
111391230,0ptp4l0-21swapper/123:20:041
111391230,0ptp4l0-21swapper/122:37:321
111391230,0ptp4l0-21swapper/122:30:121
111391230,0ptp4l0-21swapper/122:17:221
111391230,0ptp4l0-21swapper/122:02:371
111391230,0ptp4l0-21swapper/121:00:191
111391230,0ptp4l0-21swapper/119:50:191
111391230,0ptp4l0-21swapper/100:33:141
111391230,0ptp4l0-21swapper/100:25:041
111391230,0ptp4l0-21swapper/023:10:190
111391230,0ptp4l0-21swapper/022:00:220
111391230,0ptp4l0-21swapper/021:40:120
111391230,0ptp4l0-21swapper/021:39:300
111391230,0ptp4l0-21swapper/020:33:370
111391230,0ptp4l0-21swapper/020:00:200
111391230,0ptp4l0-21swapper/019:50:470
111391230,0ptp4l0-21swapper/000:22:370
111391220,1ptp4l32178-21tr19:10:101
111391220,0ptp4l0-21swapper/720:48:507
111391220,0ptp4l0-21swapper/623:11:406
111391220,0ptp4l0-21swapper/623:04:216
111391220,0ptp4l0-21swapper/622:57:256
111391220,0ptp4l0-21swapper/619:30:206
111391220,0ptp4l0-21swapper/600:18:156
111391220,0ptp4l0-21swapper/523:40:175
111391220,0ptp4l0-21swapper/523:17:405
111391220,0ptp4l0-21swapper/523:07:075
111391220,0ptp4l0-21swapper/522:36:455
111391220,0ptp4l0-21swapper/522:05:115
111391220,0ptp4l0-21swapper/521:40:385
111391220,0ptp4l0-21swapper/521:00:185
111391220,0ptp4l0-21swapper/519:43:495
111391220,0ptp4l0-21swapper/519:20:175
111391220,0ptp4l0-21swapper/500:31:535
111391220,0ptp4l0-21swapper/500:24:365
111391220,0ptp4l0-21swapper/500:10:015
111391220,0ptp4l0-21swapper/423:50:534
111391220,0ptp4l0-21swapper/423:35:194
111391220,0ptp4l0-21swapper/423:06:054
111391220,0ptp4l0-21swapper/420:50:124
111391220,0ptp4l0-21swapper/420:45:134
111391220,0ptp4l0-21swapper/420:10:114
111391220,0ptp4l0-21swapper/420:08:344
111391220,0ptp4l0-21swapper/419:54:334
111391220,0ptp4l0-21swapper/419:12:154
111391220,0ptp4l0-21swapper/400:25:154
111391220,0ptp4l0-21swapper/400:05:074
111391220,0ptp4l0-21swapper/320:10:193
111391220,0ptp4l0-21swapper/300:31:333
111391220,0ptp4l0-21swapper/223:46:532
111391220,0ptp4l0-21swapper/223:44:362
111391220,0ptp4l0-21swapper/223:33:252
111391220,0ptp4l0-21swapper/223:04:392
111391220,0ptp4l0-21swapper/222:57:242
111391220,0ptp4l0-21swapper/222:11:122
111391220,0ptp4l0-21swapper/222:11:122
111391220,0ptp4l0-21swapper/222:07:442
111391220,0ptp4l0-21swapper/221:47:552
111391220,0ptp4l0-21swapper/221:33:212
111391220,0ptp4l0-21swapper/221:16:042
111391220,0ptp4l0-21swapper/220:55:212
111391220,0ptp4l0-21swapper/200:26:312
111391220,0ptp4l0-21swapper/200:19:512
111391220,0ptp4l0-21swapper/200:00:002
111391220,0ptp4l0-21swapper/123:18:111
111391220,0ptp4l0-21swapper/122:51:311
111391220,0ptp4l0-21swapper/122:47:311
111391220,0ptp4l0-21swapper/122:44:351
111391220,0ptp4l0-21swapper/122:20:231
111391220,0ptp4l0-21swapper/121:45:561
111391220,0ptp4l0-21swapper/121:44:061
111391220,0ptp4l0-21swapper/121:25:131
111391220,0ptp4l0-21swapper/121:17:351
111391220,0ptp4l0-21swapper/120:25:111
111391220,0ptp4l0-21swapper/120:05:141
111391220,0ptp4l0-21swapper/120:00:121
111391220,0ptp4l0-21swapper/119:45:161
111391220,0ptp4l0-21swapper/119:20:151
111391220,0ptp4l0-21swapper/100:24:441
111391220,0ptp4l0-21swapper/100:02:331
111391220,0ptp4l0-21swapper/023:50:380
111391220,0ptp4l0-21swapper/023:30:140
111391220,0ptp4l0-21swapper/022:40:120
111391220,0ptp4l0-21swapper/022:30:120
111391220,0ptp4l0-21swapper/022:25:120
111391220,0ptp4l0-21swapper/022:21:520
111391220,0ptp4l0-21swapper/022:05:210
111391220,0ptp4l0-21swapper/021:20:200
111391220,0ptp4l0-21swapper/021:00:120
111391220,0ptp4l0-21swapper/020:53:040
111391220,0ptp4l0-21swapper/020:45:190
111391220,0ptp4l0-21swapper/020:28:060
111391220,0ptp4l0-21swapper/020:22:240
111391220,0ptp4l0-21swapper/019:55:140
111391220,0ptp4l0-21swapper/019:49:260
111391220,0ptp4l0-21swapper/019:40:170
111391220,0ptp4l0-21swapper/019:35:160
111391220,0ptp4l0-21swapper/019:35:150
111391220,0ptp4l0-21swapper/019:25:150
111391220,0ptp4l0-21swapper/019:17:030
111391220,0ptp4l0-21swapper/019:10:190
111391220,0ptp4l0-21swapper/000:05:010
111391210,0ptp4l0-21swapper/723:52:487
111391210,0ptp4l0-21swapper/721:44:467
111391210,0ptp4l0-21swapper/700:31:247
111391210,0ptp4l0-21swapper/622:40:486
111391210,0ptp4l0-21swapper/622:31:496
111391210,0ptp4l0-21swapper/622:11:136
111391210,0ptp4l0-21swapper/622:11:126
111391210,0ptp4l0-21swapper/621:47:566
111391210,0ptp4l0-21swapper/600:11:356
111391210,0ptp4l0-21swapper/523:45:225
111391210,0ptp4l0-21swapper/522:52:295
111391210,0ptp4l0-21swapper/522:20:335
111391210,0ptp4l0-21swapper/520:43:515
111391210,0ptp4l0-21swapper/519:59:435
111391210,0ptp4l0-21swapper/519:35:485
111391210,0ptp4l0-21swapper/519:35:475
111391210,0ptp4l0-21swapper/519:34:025
111391210,0ptp4l0-21swapper/500:07:395
111391210,0ptp4l0-21swapper/420:04:114
111391210,0ptp4l0-21swapper/323:52:593
111391210,0ptp4l0-21swapper/322:23:553
111391210,0ptp4l0-21swapper/321:44:453
111391210,0ptp4l0-21swapper/321:18:373
111391210,0ptp4l0-21swapper/320:03:293
111391210,0ptp4l0-21swapper/222:45:472
111391210,0ptp4l0-21swapper/221:27:082
111391210,0ptp4l0-21swapper/219:39:152
111391210,0ptp4l0-21swapper/219:39:142
111391210,0ptp4l0-21swapper/200:22:522
111391210,0ptp4l0-21swapper/200:12:312
111391210,0ptp4l0-21swapper/123:51:051
111391210,0ptp4l0-21swapper/123:12:051
111391210,0ptp4l0-21swapper/123:07:061
111391210,0ptp4l0-21swapper/123:02:521
111391210,0ptp4l0-21swapper/121:31:381
111391210,0ptp4l0-21swapper/121:10:401
111391210,0ptp4l0-21swapper/120:40:001
111391210,0ptp4l0-21swapper/119:43:291
111391210,0ptp4l0-21swapper/100:39:171
111391210,0ptp4l0-21swapper/019:30:110
111391210,0ptp4l0-21swapper/019:21:010
111391200,0ptp4l0-21swapper/721:18:387
111391200,0ptp4l0-21swapper/622:54:246
111391200,0ptp4l0-21swapper/600:26:326
111391200,0ptp4l0-21swapper/521:31:395
111391200,0ptp4l0-21swapper/521:11:035
111391200,0ptp4l0-21swapper/520:45:305
111391200,0ptp4l0-21swapper/520:39:295
111391200,0ptp4l0-21swapper/520:19:065
111391200,0ptp4l0-21swapper/520:00:165
111391200,0ptp4l0-21swapper/519:48:285
111391200,0ptp4l0-21swapper/500:39:185
111391200,0ptp4l0-21swapper/320:48:293
111391200,0ptp4l0-21swapper/222:40:452
111391200,0ptp4l0-21swapper/219:22:282
111391200,0ptp4l0-21swapper/123:31:001
111391200,0ptp4l0-21swapper/119:26:071
111391190,0ptp4l0-21swapper/600:22:586
111391190,0ptp4l0-21swapper/521:45:545
111391190,0ptp4l0-21swapper/419:17:054
111391190,0ptp4l0-21swapper/222:31:392
111391190,0ptp4l0-21swapper/221:53:402
111391190,0ptp4l0-21swapper/221:24:432
111391190,0ptp4l0-21swapper/200:34:362
111391190,0ptp4l0-21swapper/200:00:392
111391190,0ptp4l0-21swapper/120:18:041
111391190,0ptp4l0-21swapper/100:07:321
111391190,0ptp4l0-21swapper/021:06:090
111391180,0ptp4l0-21swapper/600:30:546
111391180,0ptp4l0-21swapper/600:01:336
111391180,0ptp4l0-21swapper/523:02:525
111391180,0ptp4l0-21swapper/521:17:405
111391180,0ptp4l0-21swapper/420:22:014
111391180,0ptp4l0-21swapper/221:36:322
111391180,0ptp4l0-21swapper/200:08:542
111391180,0ptp4l0-21swapper/119:57:221
111391180,0ptp4l0-21swapper/100:18:481
111391170,2ptp4l0-21swapper/120:30:341
111391170,2ptp4l0-21swapper/020:05:440
111391170,0ptp4l0-21swapper/722:23:557
111391170,0ptp4l0-21swapper/523:51:045
111391170,0ptp4l0-21swapper/520:51:095
111391170,0ptp4l0-21swapper/420:27:294
111391170,0ptp4l0-21swapper/223:53:462
111391170,0ptp4l0-21swapper/221:10:542
111391170,0ptp4l0-21swapper/120:47:401
111391170,0ptp4l0-21swapper/119:35:311
111391170,0ptp4l0-21swapper/119:35:311
31871991611,3cyclictest25351-21df_inode22:40:103
111391160,1ptp4l33-21ksoftirqd/220:02:362
111391160,0ptp4l0-21swapper/622:07:426
111391160,0ptp4l0-21swapper/520:31:245
111391160,0ptp4l0-21swapper/419:45:424
111391160,0ptp4l0-21swapper/419:21:214
111391160,0ptp4l0-21swapper/223:06:442
111391160,0ptp4l0-21swapper/219:25:412
111391160,0ptp4l0-21swapper/119:32:081
111391150,0ptp4l0-21swapper/720:03:067
111391150,0ptp4l0-21swapper/621:09:386
111391150,0ptp4l0-21swapper/620:54:586
111391150,0ptp4l0-21swapper/620:36:136
111391150,0ptp4l0-21swapper/620:29:326
111391150,0ptp4l0-21swapper/620:11:296
111391150,0ptp4l0-21swapper/620:02:416
111391150,0ptp4l0-21swapper/619:58:546
111391150,0ptp4l0-21swapper/619:52:096
111391150,0ptp4l0-21swapper/619:44:416
111391150,0ptp4l0-21swapper/619:25:396
111391150,0ptp4l0-21swapper/619:22:266
111391150,0ptp4l0-21swapper/619:16:126
111391150,0ptp4l0-21swapper/619:12:386
111391150,0ptp4l0-21swapper/523:12:085
111391150,0ptp4l0-21swapper/520:56:435
111391150,0ptp4l0-21swapper/520:11:055
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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