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2026-04-18 - 04:32

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 Sat Apr 18, 2026 00:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,30ptp4l0-21swapper/119:07:211
291626240,7sleep70-21swapper/719:07:247
193902610,0sleep60-21swapper/621:45:016
111391610,29ptp4l0-21swapper/019:06:130
111391590,5ptp4l0-21swapper/419:07:044
281625747,6sleep20-21swapper/219:06:062
111391520,5ptp4l0-21swapper/519:05:445
311425039,7sleep60-21swapper/619:09:556
288224635,7sleep30-21swapper/319:06:553
111391340,1ptp4l22974-21latency21:00:164
111391330,0ptp4l0-21swapper/419:45:114
111391330,0ptp4l0-21swapper/100:29:061
111391320,3ptp4l0-21swapper/019:40:010
111391320,1ptp4l9376-21smart_sda23:00:190
111391320,0ptp4l0-21swapper/423:29:234
111391320,0ptp4l0-21swapper/023:35:140
111391310,0ptp4l0-21swapper/419:50:194
111391310,0ptp4l0-21swapper/123:36:281
111391310,0ptp4l0-21swapper/021:27:310
111391300,0ptp4l0-21swapper/523:43:365
111391300,0ptp4l0-21swapper/423:30:454
111391300,0ptp4l0-21swapper/000:23:180
111391290,0ptp4l0-21swapper/719:20:107
111391290,0ptp4l0-21swapper/523:35:215
111391290,0ptp4l0-21swapper/522:27:175
111391290,0ptp4l0-21swapper/423:24:454
111391290,0ptp4l0-21swapper/422:59:164
111391290,0ptp4l0-21swapper/422:30:174
111391290,0ptp4l0-21swapper/422:19:284
111391290,0ptp4l0-21swapper/421:50:124
111391290,0ptp4l0-21swapper/400:10:124
111391290,0ptp4l0-21swapper/200:27:092
111391290,0ptp4l0-21swapper/023:20:470
111391290,0ptp4l0-21swapper/021:50:170
111391290,0ptp4l0-21swapper/021:49:290
111391280,0ptp4l0-21swapper/423:08:414
111391280,0ptp4l0-21swapper/422:41:274
111391280,0ptp4l0-21swapper/421:20:564
111391280,0ptp4l0-21swapper/420:24:204
111391280,0ptp4l0-21swapper/400:34:444
111391280,0ptp4l0-21swapper/121:22:171
111391280,0ptp4l0-21swapper/023:07:140
111391280,0ptp4l0-21swapper/020:15:180
111391270,2ptp4l0-21swapper/021:41:540
111391270,0ptp4l0-21swapper/521:12:395
111391270,0ptp4l0-21swapper/421:34:374
111391270,0ptp4l0-21swapper/400:08:114
111391270,0ptp4l0-21swapper/123:09:151
111391270,0ptp4l0-21swapper/122:59:411
111391270,0ptp4l0-21swapper/023:55:420
111391270,0ptp4l0-21swapper/023:49:500
111391270,0ptp4l0-21swapper/022:05:310
111391260,0ptp4l29748-21ssh21:13:424
111391260,0ptp4l0-21swapper/423:37:084
111391260,0ptp4l0-21swapper/422:21:404
111391260,0ptp4l0-21swapper/421:47:414
111391260,0ptp4l0-21swapper/400:20:194
111391260,0ptp4l0-21swapper/023:53:070
111391260,0ptp4l0-21swapper/022:56:420
111391260,0ptp4l0-21swapper/019:57:390
111391260,0ptp4l0-21swapper/000:17:470
111391260,0ptp4l0-21swapper/000:11:480
111391250,1ptp4l301-21ptp4l-jitter20:10:185
111391250,0ptp4l32192-21grep21:15:214
111391250,0ptp4l0-21swapper/523:34:225
111391250,0ptp4l0-21swapper/522:52:235
111391250,0ptp4l0-21swapper/522:10:595
111391250,0ptp4l0-21swapper/521:19:545
111391250,0ptp4l0-21swapper/520:35:195
111391250,0ptp4l0-21swapper/423:52:124
111391250,0ptp4l0-21swapper/422:26:314
111391250,0ptp4l0-21swapper/421:30:004
111391250,0ptp4l0-21swapper/400:25:574
111391250,0ptp4l0-21swapper/400:16:374
111391250,0ptp4l0-21swapper/322:47:473
111391250,0ptp4l0-21swapper/222:18:492
111391250,0ptp4l0-21swapper/023:45:000
111391250,0ptp4l0-21swapper/022:20:170
111391250,0ptp4l0-21swapper/022:02:300
111391250,0ptp4l0-21swapper/021:36:510
111391250,0ptp4l0-21swapper/021:34:570
111391250,0ptp4l0-21swapper/020:55:160
111391250,0ptp4l0-21swapper/020:40:200
111391250,0ptp4l0-21swapper/020:05:110
111391240,2ptp4l2556-21irqrtprio21:20:150
111391240,2ptp4l0-21swapper/019:20:190
111391240,1ptp4l31549-21latency_hist20:10:015
111391240,1ptp4l30759-21fw_packets22:00:101
111391240,1ptp4l27950-21unixbench_singl22:40:201
111391240,1ptp4l25-21ksoftirqd/100:20:151
111391240,1ptp4l18681-21irqstats00:00:164
111391240,1ptp4l0-21swapper/423:55:074
111391240,0ptp4l0-21swapper/523:19:125
111391240,0ptp4l0-21swapper/523:03:055
111391240,0ptp4l0-21swapper/522:15:235
111391240,0ptp4l0-21swapper/423:46:124
111391240,0ptp4l0-21swapper/422:54:264
111391240,0ptp4l0-21swapper/422:35:154
111391240,0ptp4l0-21swapper/421:43:124
111391240,0ptp4l0-21swapper/421:35:194
111391240,0ptp4l0-21swapper/123:47:281
111391240,0ptp4l0-21swapper/119:10:141
111391240,0ptp4l0-21swapper/119:10:131
111391240,0ptp4l0-21swapper/022:51:560
111391240,0ptp4l0-21swapper/021:55:180
111391240,0ptp4l0-21swapper/021:55:180
111391240,0ptp4l0-21swapper/021:18:140
111391240,0ptp4l0-21swapper/020:50:170
111391240,0ptp4l0-21swapper/019:40:200
111391240,0ptp4l0-21swapper/000:35:190
111391240,0ptp4l0-21swapper/000:35:180
111391230,2ptp4l0-21swapper/122:49:151
111391230,1ptp4l30935-21diskstats21:15:121
111391230,1ptp4l2482-21missed_timers22:05:164
111391230,1ptp4l14731-21sh22:22:516
111391230,0ptp4l0-21swapper/619:55:196
111391230,0ptp4l0-21swapper/523:56:245
111391230,0ptp4l0-21swapper/523:53:175
111391230,0ptp4l0-21swapper/523:46:435
111391230,0ptp4l0-21swapper/523:10:135
111391230,0ptp4l0-21swapper/523:08:515
111391230,0ptp4l0-21swapper/522:31:575
111391230,0ptp4l0-21swapper/522:05:005
111391230,0ptp4l0-21swapper/521:40:115
111391230,0ptp4l0-21swapper/520:45:015
111391230,0ptp4l0-21swapper/519:15:025
111391230,0ptp4l0-21swapper/519:15:015
111391230,0ptp4l0-21swapper/500:02:345
111391230,0ptp4l0-21swapper/423:15:184
111391230,0ptp4l0-21swapper/423:02:344
111391230,0ptp4l0-21swapper/421:05:124
111391230,0ptp4l0-21swapper/420:55:154
111391230,0ptp4l0-21swapper/420:15:154
111391230,0ptp4l0-21swapper/420:05:144
111391230,0ptp4l0-21swapper/419:30:154
111391230,0ptp4l0-21swapper/219:55:162
111391230,0ptp4l0-21swapper/219:25:012
111391230,0ptp4l0-21swapper/123:18:431
111391230,0ptp4l0-21swapper/123:11:131
111391230,0ptp4l0-21swapper/122:55:001
111391230,0ptp4l0-21swapper/122:33:411
111391230,0ptp4l0-21swapper/121:29:081
111391230,0ptp4l0-21swapper/120:10:151
111391230,0ptp4l0-21swapper/023:30:410
111391230,0ptp4l0-21swapper/023:25:120
111391230,0ptp4l0-21swapper/023:16:180
111391230,0ptp4l0-21swapper/022:45:140
111391230,0ptp4l0-21swapper/022:35:120
111391230,0ptp4l0-21swapper/022:30:200
111391230,0ptp4l0-21swapper/022:25:100
111391230,0ptp4l0-21swapper/022:15:170
111391230,0ptp4l0-21swapper/022:13:340
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:00:120
111391230,0ptp4l0-21swapper/000:32:020
111391230,0ptp4l0-21swapper/000:25:130
111391220,0ptp4l0-21swapper/719:50:177
111391220,0ptp4l0-21swapper/623:53:596
111391220,0ptp4l0-21swapper/623:28:126
111391220,0ptp4l0-21swapper/622:18:446
111391220,0ptp4l0-21swapper/621:57:186
111391220,0ptp4l0-21swapper/621:57:186
111391220,0ptp4l0-21swapper/621:23:166
111391220,0ptp4l0-21swapper/621:13:126
111391220,0ptp4l0-21swapper/620:55:196
111391220,0ptp4l0-21swapper/522:55:155
111391220,0ptp4l0-21swapper/522:45:555
111391220,0ptp4l0-21swapper/522:42:185
111391220,0ptp4l0-21swapper/522:38:595
111391220,0ptp4l0-21swapper/522:24:495
111391220,0ptp4l0-21swapper/522:06:185
111391220,0ptp4l0-21swapper/521:46:475
111391220,0ptp4l0-21swapper/521:30:395
111391220,0ptp4l0-21swapper/521:29:095
111391220,0ptp4l0-21swapper/521:22:335
111391220,0ptp4l0-21swapper/520:45:135
111391220,0ptp4l0-21swapper/520:25:005
111391220,0ptp4l0-21swapper/519:30:115
111391220,0ptp4l0-21swapper/519:10:145
111391220,0ptp4l0-21swapper/519:10:145
111391220,0ptp4l0-21swapper/500:20:155
111391220,0ptp4l0-21swapper/500:15:205
111391220,0ptp4l0-21swapper/500:05:115
111391220,0ptp4l0-21swapper/422:49:274
111391220,0ptp4l0-21swapper/422:10:014
111391220,0ptp4l0-21swapper/422:04:374
111391220,0ptp4l0-21swapper/421:55:124
111391220,0ptp4l0-21swapper/421:55:114
111391220,0ptp4l0-21swapper/420:50:124
111391220,0ptp4l0-21swapper/420:40:164
111391220,0ptp4l0-21swapper/420:30:164
111391220,0ptp4l0-21swapper/420:15:004
111391220,0ptp4l0-21swapper/420:00:124
111391220,0ptp4l0-21swapper/419:55:124
111391220,0ptp4l0-21swapper/419:40:134
111391220,0ptp4l0-21swapper/419:35:354
111391220,0ptp4l0-21swapper/419:27:484
111391220,0ptp4l0-21swapper/400:35:014
111391220,0ptp4l0-21swapper/400:35:004
111391220,0ptp4l0-21swapper/319:20:103
111391220,0ptp4l0-21swapper/222:22:262
111391220,0ptp4l0-21swapper/222:08:342
111391220,0ptp4l0-21swapper/123:40:001
111391220,0ptp4l0-21swapper/123:00:111
111391220,0ptp4l0-21swapper/122:38:501
111391220,0ptp4l0-21swapper/122:21:031
111391220,0ptp4l0-21swapper/122:15:181
111391220,0ptp4l0-21swapper/122:06:131
111391220,0ptp4l0-21swapper/121:59:331
111391220,0ptp4l0-21swapper/121:59:321
111391220,0ptp4l0-21swapper/121:45:101
111391220,0ptp4l0-21swapper/121:40:101
111391220,0ptp4l0-21swapper/121:39:091
111391220,0ptp4l0-21swapper/121:33:201
111391220,0ptp4l0-21swapper/121:10:141
111391220,0ptp4l0-21swapper/120:53:211
111391220,0ptp4l0-21swapper/120:45:111
111391220,0ptp4l0-21swapper/120:40:121
111391220,0ptp4l0-21swapper/120:35:151
111391220,0ptp4l0-21swapper/120:25:141
111391220,0ptp4l0-21swapper/119:15:011
111391220,0ptp4l0-21swapper/119:15:011
111391220,0ptp4l0-21swapper/100:05:121
111391220,0ptp4l0-21swapper/023:14:300
111391220,0ptp4l0-21swapper/022:40:160
111391220,0ptp4l0-21swapper/021:10:200
111391220,0ptp4l0-21swapper/021:05:150
111391220,0ptp4l0-21swapper/021:00:130
111391220,0ptp4l0-21swapper/020:30:110
111391220,0ptp4l0-21swapper/019:50:190
111391220,0ptp4l0-21swapper/019:45:190
111391220,0ptp4l0-21swapper/000:00:210
111391210,0ptp4l0-21swapper/722:48:297
111391210,0ptp4l0-21swapper/623:41:446
111391210,0ptp4l0-21swapper/623:01:536
111391210,0ptp4l0-21swapper/622:57:216
111391210,0ptp4l0-21swapper/622:25:046
111391210,0ptp4l0-21swapper/600:24:186
111391210,0ptp4l0-21swapper/523:25:485
111391210,0ptp4l0-21swapper/523:20:005
111391210,0ptp4l0-21swapper/521:56:225
111391210,0ptp4l0-21swapper/521:56:215
111391210,0ptp4l0-21swapper/520:25:095
111391210,0ptp4l0-21swapper/519:49:025
111391210,0ptp4l0-21swapper/500:36:435
111391210,0ptp4l0-21swapper/500:36:435
111391210,0ptp4l0-21swapper/500:31:335
111391210,0ptp4l0-21swapper/500:25:365
111391210,0ptp4l0-21swapper/423:42:014
111391210,0ptp4l0-21swapper/423:12:334
111391210,0ptp4l0-21swapper/420:46:254
111391210,0ptp4l0-21swapper/319:17:373
111391210,0ptp4l0-21swapper/319:17:363
111391210,0ptp4l0-21swapper/223:54:032
111391210,0ptp4l0-21swapper/223:06:352
111391210,0ptp4l0-21swapper/223:01:412
111391210,0ptp4l0-21swapper/222:57:252
111391210,0ptp4l0-21swapper/221:34:162
111391210,0ptp4l0-21swapper/221:23:172
111391210,0ptp4l0-21swapper/123:51:341
111391210,0ptp4l0-21swapper/123:25:361
111391210,0ptp4l0-21swapper/123:20:041
111391210,0ptp4l0-21swapper/122:27:141
111391210,0ptp4l0-21swapper/122:11:301
111391210,0ptp4l0-21swapper/121:51:491
111391210,0ptp4l0-21swapper/100:38:291
111391210,0ptp4l0-21swapper/100:38:291
111391210,0ptp4l0-21swapper/100:33:491
111391210,0ptp4l0-21swapper/100:15:181
111391210,0ptp4l0-21swapper/100:01:281
111391210,0ptp4l0-21swapper/020:46:220
111391210,0ptp4l0-21swapper/020:25:180
111391210,0ptp4l0-21swapper/020:12:270
111391210,0ptp4l0-21swapper/019:30:180
111391210,0ptp4l0-21swapper/019:25:140
111391210,0ptp4l0-21swapper/000:09:060
111391200,2ptp4l0-21swapper/619:53:296
111391200,0ptp4l0-21swapper/723:21:097
111391200,0ptp4l0-21swapper/622:36:126
111391200,0ptp4l0-21swapper/620:36:226
111391200,0ptp4l0-21swapper/521:51:435
111391200,0ptp4l0-21swapper/521:39:035
111391200,0ptp4l0-21swapper/519:23:335
111391200,0ptp4l0-21swapper/420:35:464
111391200,0ptp4l0-21swapper/420:26:394
111391200,0ptp4l0-21swapper/419:20:004
111391200,0ptp4l0-21swapper/419:20:004
111391200,0ptp4l0-21swapper/323:21:103
111391200,0ptp4l0-21swapper/319:50:163
111391200,0ptp4l0-21swapper/223:47:042
111391200,0ptp4l0-21swapper/223:16:402
111391200,0ptp4l0-21swapper/221:26:282
111391200,0ptp4l0-21swapper/200:24:242
111391200,0ptp4l0-21swapper/123:58:061
111391200,0ptp4l0-21swapper/123:33:051
111391200,0ptp4l0-21swapper/121:09:201
111391200,0ptp4l0-21swapper/121:02:581
111391200,0ptp4l0-21swapper/120:18:581
111391200,0ptp4l0-21swapper/119:51:091
111391200,0ptp4l0-21swapper/119:43:211
111391200,0ptp4l0-21swapper/020:37:300
111391200,0ptp4l0-21swapper/019:16:050
111391200,0ptp4l0-21swapper/019:16:050
111391200,0ptp4l0-21swapper/019:10:200
111391200,0ptp4l0-21swapper/019:10:200
111391190,0ptp4l0-21swapper/623:16:386
111391190,0ptp4l0-21swapper/619:49:206
111391190,0ptp4l0-21swapper/521:08:215
111391190,0ptp4l0-21swapper/521:03:215
111391190,0ptp4l0-21swapper/520:18:425
111391190,0ptp4l0-21swapper/520:04:235
111391190,0ptp4l0-21swapper/519:37:365
111391190,0ptp4l0-21swapper/519:29:585
111391190,0ptp4l0-21swapper/419:11:074
111391190,0ptp4l0-21swapper/419:11:074
111391190,0ptp4l0-21swapper/221:57:202
111391190,0ptp4l0-21swapper/221:57:192
111391190,0ptp4l0-21swapper/221:43:252
111391190,0ptp4l0-21swapper/221:13:142
111391190,0ptp4l0-21swapper/120:09:391
111391180,1ptp4l241ktimersoftd/119:36:431
111391180,0ptp4l530-21ssh21:17:226
111391180,0ptp4l0-21swapper/723:54:457
111391180,0ptp4l0-21swapper/623:06:316
111391180,0ptp4l0-21swapper/419:20:204
111391180,0ptp4l0-21swapper/323:54:453
111391180,0ptp4l0-21swapper/223:41:472
111391180,0ptp4l0-21swapper/223:30:342
111391180,0ptp4l0-21swapper/221:48:492
111391180,0ptp4l0-21swapper/120:04:281
111391170,2ptp4l0-21swapper/119:33:041
111391170,0ptp4l65-21ksoftirqd/621:26:256
111391170,0ptp4l0-21swapper/621:34:156
111391170,0ptp4l0-21swapper/223:28:102
111391170,0ptp4l0-21swapper/222:36:112
111391170,0ptp4l0-21swapper/120:31:081
111391170,0ptp4l0-21swapper/120:20:001
341999164,0cyclictest0-21swapper/519:51:055
3405991615,0cyclictest401ktimersoftd/320:59:113
111391160,0ptp4l0-21swapper/623:46:266
111391160,0ptp4l0-21swapper/622:08:286
111391160,0ptp4l0-21swapper/619:11:486
111391160,0ptp4l0-21swapper/619:11:486
111391160,0ptp4l0-21swapper/219:31:352
111391160,0ptp4l0-21swapper/200:18:002
111391160,0ptp4l0-21swapper/120:58:361
111391160,0ptp4l0-21swapper/119:25:421
325182150,0sleep70-21swapper/721:16:107
111391150,0ptp4l0-21swapper/720:06:157
111391150,0ptp4l0-21swapper/719:17:407
111391150,0ptp4l0-21swapper/719:17:407
111391150,0ptp4l0-21swapper/621:06:476
111391150,0ptp4l0-21swapper/620:33:106
111391150,0ptp4l0-21swapper/620:01:546
111391150,0ptp4l0-21swapper/619:31:376
111391150,0ptp4l0-21swapper/619:25:026
111391150,0ptp4l0-21swapper/619:22:016
111391150,0ptp4l0-21swapper/520:58:385
111391150,0ptp4l0-21swapper/520:50:495
111391150,0ptp4l0-21swapper/520:31:075
111391150,0ptp4l0-21swapper/519:41:345
111391150,0ptp4l0-21swapper/320:06:133
111391150,0ptp4l0-21swapper/222:25:022
111391150,0ptp4l0-21swapper/221:17:232
111391150,0ptp4l0-21swapper/221:06:512
111391150,0ptp4l0-21swapper/220:55:272
111391150,0ptp4l0-21swapper/220:33:102
111391150,0ptp4l0-21swapper/219:49:192
111391150,0ptp4l0-21swapper/219:22:052
111391150,0ptp4l0-21swapper/219:13:512
111391150,0ptp4l0-21swapper/219:13:512
111391150,0ptp4l0-21swapper/119:55:061
111391150,0ptp4l0-21swapper/119:49:011
111391150,0ptp4l0-21swapper/119:20:481
111391140,0ptp4l0-21swapper/721:09:387
111391140,0ptp4l0-21swapper/621:48:506
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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