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2026-09-24 - 04:00

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 Thu Sep 24, 2026 00:46:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1881917654,6phc2sys0-21swapper/719:05:507
275762660,0sleep00-21swapper/023:25:270
89762650,1sleep41068-21runrttasks19:15:004
85322650,0sleep00-21swapper/021:25:120
111391630,5ptp4l0-21swapper/419:08:474
111391620,5ptp4l0-21swapper/119:09:271
303772610,0sleep60-21swapper/600:20:136
303772610,0sleep60-21swapper/600:20:126
135672600,1sleep213565-21turbostat20:34:592
111391600,6ptp4l0-21swapper/019:07:490
111391600,5ptp4l0-21swapper/519:09:285
598625838,6sleep20-21swapper/219:06:502
433325532,7sleep30-21swapper/319:05:073
588824939,6sleep60-21swapper/619:05:346
111391480,0ptp4l32122-21taskset20:04:501
111391320,1ptp4l23574-21sa100:10:000
111391320,0ptp4l0-21swapper/523:40:005
111391320,0ptp4l0-21swapper/523:03:405
111391310,0ptp4l26273-21ssh00:13:303
111391310,0ptp4l0-21swapper/022:10:200
111391300,0ptp4l0-21swapper/722:40:017
111391300,0ptp4l0-21swapper/522:19:095
111391300,0ptp4l0-21swapper/421:53:424
111391300,0ptp4l0-21swapper/121:33:181
111391300,0ptp4l0-21swapper/020:20:180
111391300,0ptp4l0-21swapper/019:20:140
111391290,0ptp4l0-21swapper/500:00:425
111391290,0ptp4l0-21swapper/123:50:521
111391280,2ptp4l0-21swapper/623:32:256
111391280,0ptp4l0-21swapper/700:17:067
111391280,0ptp4l0-21swapper/700:17:067
111391280,0ptp4l0-21swapper/521:56:475
111391280,0ptp4l0-21swapper/323:20:293
111391280,0ptp4l0-21swapper/122:33:361
111391280,0ptp4l0-21swapper/122:05:441
111391280,0ptp4l0-21swapper/100:24:501
111391280,0ptp4l0-21swapper/100:24:491
111391270,1ptp4l29621-21diskmemload23:06:530
111391270,0ptp4l0-21swapper/522:50:115
111391270,0ptp4l0-21swapper/522:20:155
111391270,0ptp4l0-21swapper/522:12:315
111391270,0ptp4l0-21swapper/421:27:174
111391270,0ptp4l0-21swapper/022:32:210
111391270,0ptp4l0-21swapper/021:55:130
111391270,0ptp4l0-21swapper/021:54:170
111391270,0ptp4l0-21swapper/021:34:100
111391260,0ptp4l0-21swapper/519:55:135
111391260,0ptp4l0-21swapper/123:11:091
111391260,0ptp4l0-21swapper/100:05:151
111391260,0ptp4l0-21swapper/023:00:450
111391260,0ptp4l0-21swapper/022:53:300
111391260,0ptp4l0-21swapper/022:06:220
111391260,0ptp4l0-21swapper/022:02:020
111391250,0ptp4l0-21swapper/719:35:197
111391250,0ptp4l0-21swapper/523:42:455
111391250,0ptp4l0-21swapper/521:00:015
111391250,0ptp4l0-21swapper/519:40:175
111391250,0ptp4l0-21swapper/500:38:155
111391250,0ptp4l0-21swapper/423:15:134
111391250,0ptp4l0-21swapper/321:50:213
111391250,0ptp4l0-21swapper/320:05:143
111391250,0ptp4l0-21swapper/123:26:421
111391250,0ptp4l0-21swapper/122:56:521
111391250,0ptp4l0-21swapper/023:31:210
111391250,0ptp4l0-21swapper/000:03:590
111391240,1ptp4l5268-21ps20:15:150
111391240,1ptp4l27116-21unixbench_multi19:50:212
111391240,1ptp4l25739-21latency_hist23:25:000
111391240,1ptp4l25661-21vmstat22:35:196
111391240,1ptp4l24390-21fw_conntrack22:35:131
111391240,1ptp4l2155-21sendmail_mailst00:25:190
111391240,0ptp4l0-21swapper/721:15:017
111391240,0ptp4l0-21swapper/720:10:127
111391240,0ptp4l0-21swapper/523:50:135
111391240,0ptp4l0-21swapper/522:55:095
111391240,0ptp4l0-21swapper/522:30:475
111391240,0ptp4l0-21swapper/522:00:295
111391240,0ptp4l0-21swapper/521:42:435
111391240,0ptp4l0-21swapper/521:42:435
111391240,0ptp4l0-21swapper/520:22:015
111391240,0ptp4l0-21swapper/519:49:595
111391240,0ptp4l0-21swapper/519:37:075
111391240,0ptp4l0-21swapper/500:05:145
111391240,0ptp4l0-21swapper/423:27:114
111391240,0ptp4l0-21swapper/423:02:414
111391240,0ptp4l0-21swapper/422:55:154
111391240,0ptp4l0-21swapper/421:49:014
111391240,0ptp4l0-21swapper/421:12:574
111391240,0ptp4l0-21swapper/420:20:174
111391240,0ptp4l0-21swapper/420:15:224
111391240,0ptp4l0-21swapper/419:30:154
111391240,0ptp4l0-21swapper/419:20:164
111391240,0ptp4l0-21swapper/400:21:514
111391240,0ptp4l0-21swapper/400:21:504
111391240,0ptp4l0-21swapper/321:49:303
111391240,0ptp4l0-21swapper/320:10:313
111391240,0ptp4l0-21swapper/122:20:151
111391240,0ptp4l0-21swapper/121:59:071
111391240,0ptp4l0-21swapper/121:43:591
111391240,0ptp4l0-21swapper/121:43:581
111391240,0ptp4l0-21swapper/121:10:011
111391240,0ptp4l0-21swapper/100:00:111
111391240,0ptp4l0-21swapper/023:59:190
111391240,0ptp4l0-21swapper/023:38:100
111391240,0ptp4l0-21swapper/022:44:190
111391240,0ptp4l0-21swapper/022:21:110
111391240,0ptp4l0-21swapper/021:18:550
111391240,0ptp4l0-21swapper/021:05:180
111391240,0ptp4l0-21swapper/020:00:160
111391230,3ptp4l0-21swapper/622:50:436
111391230,3ptp4l0-21swapper/019:41:150
111391230,1ptp4l29621-21diskmemload22:16:511
111391230,1ptp4l0-21swapper/400:25:174
111391230,0ptp4l0-21swapper/721:50:147
111391230,0ptp4l0-21swapper/720:30:157
111391230,0ptp4l0-21swapper/719:26:357
111391230,0ptp4l0-21swapper/623:17:136
111391230,0ptp4l0-21swapper/622:00:216
111391230,0ptp4l0-21swapper/522:45:035
111391230,0ptp4l0-21swapper/522:35:175
111391230,0ptp4l0-21swapper/522:26:145
111391230,0ptp4l0-21swapper/521:51:075
111391230,0ptp4l0-21swapper/521:35:115
111391230,0ptp4l0-21swapper/521:23:515
111391230,0ptp4l0-21swapper/521:15:145
111391230,0ptp4l0-21swapper/521:05:595
111391230,0ptp4l0-21swapper/520:59:455
111391230,0ptp4l0-21swapper/520:45:105
111391230,0ptp4l0-21swapper/520:25:155
111391230,0ptp4l0-21swapper/520:07:355
111391230,0ptp4l0-21swapper/519:20:185
111391230,0ptp4l0-21swapper/500:20:155
111391230,0ptp4l0-21swapper/500:20:155
111391230,0ptp4l0-21swapper/423:55:194
111391230,0ptp4l0-21swapper/423:40:184
111391230,0ptp4l0-21swapper/423:35:144
111391230,0ptp4l0-21swapper/423:20:144
111391230,0ptp4l0-21swapper/423:10:224
111391230,0ptp4l0-21swapper/423:05:144
111391230,0ptp4l0-21swapper/422:46:584
111391230,0ptp4l0-21swapper/422:43:034
111391230,0ptp4l0-21swapper/422:32:134
111391230,0ptp4l0-21swapper/422:10:184
111391230,0ptp4l0-21swapper/422:00:164
111391230,0ptp4l0-21swapper/421:55:114
111391230,0ptp4l0-21swapper/421:45:014
111391230,0ptp4l0-21swapper/421:45:004
111391230,0ptp4l0-21swapper/421:30:194
111391230,0ptp4l0-21swapper/421:20:134
111391230,0ptp4l0-21swapper/421:05:154
111391230,0ptp4l0-21swapper/421:00:164
111391230,0ptp4l0-21swapper/420:55:224
111391230,0ptp4l0-21swapper/420:40:184
111391230,0ptp4l0-21swapper/420:25:114
111391230,0ptp4l0-21swapper/420:00:124
111391230,0ptp4l0-21swapper/419:15:154
111391230,0ptp4l0-21swapper/400:30:204
111391230,0ptp4l0-21swapper/321:22:583
111391230,0ptp4l0-21swapper/320:29:273
111391230,0ptp4l0-21swapper/319:25:123
111391230,0ptp4l0-21swapper/222:50:422
111391230,0ptp4l0-21swapper/222:00:222
111391230,0ptp4l0-21swapper/123:45:141
111391230,0ptp4l0-21swapper/123:00:541
111391230,0ptp4l0-21swapper/122:54:231
111391230,0ptp4l0-21swapper/122:45:151
111391230,0ptp4l0-21swapper/122:44:211
111391230,0ptp4l0-21swapper/122:28:511
111391230,0ptp4l0-21swapper/121:35:131
111391230,0ptp4l0-21swapper/121:23:571
111391230,0ptp4l0-21swapper/121:15:141
111391230,0ptp4l0-21swapper/121:00:001
111391230,0ptp4l0-21swapper/120:56:251
111391230,0ptp4l0-21swapper/120:50:191
111391230,0ptp4l0-21swapper/120:35:391
111391230,0ptp4l0-21swapper/120:35:001
111391230,0ptp4l0-21swapper/120:25:181
111391230,0ptp4l0-21swapper/120:14:141
111391230,0ptp4l0-21swapper/120:06:351
111391230,0ptp4l0-21swapper/119:55:141
111391230,0ptp4l0-21swapper/119:35:151
111391230,0ptp4l0-21swapper/119:20:181
111391230,0ptp4l0-21swapper/100:35:211
111391230,0ptp4l0-21swapper/100:10:121
111391230,0ptp4l0-21swapper/023:50:210
111391230,0ptp4l0-21swapper/023:40:160
111391230,0ptp4l0-21swapper/023:15:130
111391230,0ptp4l0-21swapper/022:55:230
111391230,0ptp4l0-21swapper/022:35:190
111391230,0ptp4l0-21swapper/022:27:010
111391230,0ptp4l0-21swapper/022:15:140
111391230,0ptp4l0-21swapper/021:45:120
111391230,0ptp4l0-21swapper/021:41:530
111391230,0ptp4l0-21swapper/021:41:530
111391230,0ptp4l0-21swapper/021:10:550
111391230,0ptp4l0-21swapper/021:00:160
111391230,0ptp4l0-21swapper/019:45:230
111391230,0ptp4l0-21swapper/019:15:120
111391230,0ptp4l0-21swapper/000:34:040
111391230,0ptp4l0-21swapper/000:18:560
111391230,0ptp4l0-21swapper/000:18:550
111391220,0ptp4l0-21swapper/722:57:497
111391220,0ptp4l0-21swapper/722:40:007
111391220,0ptp4l0-21swapper/722:08:157
111391220,0ptp4l0-21swapper/721:56:027
111391220,0ptp4l0-21swapper/721:49:417
111391220,0ptp4l0-21swapper/721:24:407
111391220,0ptp4l0-21swapper/721:15:047
111391220,0ptp4l0-21swapper/700:12:527
111391220,0ptp4l0-21swapper/623:58:036
111391220,0ptp4l0-21swapper/623:14:396
111391220,0ptp4l0-21swapper/623:09:526
111391220,0ptp4l0-21swapper/620:06:276
111391220,0ptp4l0-21swapper/619:50:206
111391220,0ptp4l0-21swapper/523:56:435
111391220,0ptp4l0-21swapper/523:45:155
111391220,0ptp4l0-21swapper/523:10:165
111391220,0ptp4l0-21swapper/523:07:585
111391220,0ptp4l0-21swapper/522:41:285
111391220,0ptp4l0-21swapper/522:05:175
111391220,0ptp4l0-21swapper/521:47:085
111391220,0ptp4l0-21swapper/521:30:075
111391220,0ptp4l0-21swapper/520:35:405
111391220,0ptp4l0-21swapper/519:27:385
111391220,0ptp4l0-21swapper/519:18:565
111391220,0ptp4l0-21swapper/519:10:215
111391220,0ptp4l0-21swapper/500:31:505
111391220,0ptp4l0-21swapper/500:29:575
111391220,0ptp4l0-21swapper/500:18:405
111391220,0ptp4l0-21swapper/500:18:395
111391220,0ptp4l0-21swapper/423:51:264
111391220,0ptp4l0-21swapper/423:45:284
111391220,0ptp4l0-21swapper/423:30:124
111391220,0ptp4l0-21swapper/422:50:524
111391220,0ptp4l0-21swapper/422:38:424
111391220,0ptp4l0-21swapper/422:25:164
111391220,0ptp4l0-21swapper/422:20:204
111391220,0ptp4l0-21swapper/422:15:174
111391220,0ptp4l0-21swapper/422:06:504
111391220,0ptp4l0-21swapper/421:35:204
111391220,0ptp4l0-21swapper/421:15:054
111391220,0ptp4l0-21swapper/420:50:134
111391220,0ptp4l0-21swapper/420:35:114
111391220,0ptp4l0-21swapper/419:50:114
111391220,0ptp4l0-21swapper/400:35:014
111391220,0ptp4l0-21swapper/400:04:374
111391220,0ptp4l0-21swapper/323:34:163
111391220,0ptp4l0-21swapper/322:57:573
111391220,0ptp4l0-21swapper/322:40:033
111391220,0ptp4l0-21swapper/321:55:533
111391220,0ptp4l0-21swapper/320:30:153
111391220,0ptp4l0-21swapper/319:53:453
111391220,0ptp4l0-21swapper/319:35:223
111391220,0ptp4l0-21swapper/300:15:123
111391220,0ptp4l0-21swapper/300:15:113
111391220,0ptp4l0-21swapper/223:17:162
111391220,0ptp4l0-21swapper/223:02:492
111391220,0ptp4l0-21swapper/222:19:282
111391220,0ptp4l0-21swapper/221:48:092
111391220,0ptp4l0-21swapper/123:40:211
111391220,0ptp4l0-21swapper/123:35:501
111391220,0ptp4l0-21swapper/123:20:001
111391220,0ptp4l0-21swapper/123:05:431
111391220,0ptp4l0-21swapper/122:11:401
111391220,0ptp4l0-21swapper/122:00:591
111391220,0ptp4l0-21swapper/121:53:011
111391220,0ptp4l0-21swapper/121:47:581
111391220,0ptp4l0-21swapper/121:27:531
111391220,0ptp4l0-21swapper/121:12:221
111391220,0ptp4l0-21swapper/120:45:111
111391220,0ptp4l0-21swapper/120:22:311
111391220,0ptp4l0-21swapper/119:45:151
111391220,0ptp4l0-21swapper/119:40:191
111391220,0ptp4l0-21swapper/119:10:201
111391220,0ptp4l0-21swapper/100:30:011
111391220,0ptp4l0-21swapper/100:29:521
111391220,0ptp4l0-21swapper/100:00:011
111391220,0ptp4l0-21swapper/023:11:460
111391220,0ptp4l0-21swapper/021:35:220
111391220,0ptp4l0-21swapper/021:20:130
111391220,0ptp4l0-21swapper/020:55:130
111391220,0ptp4l0-21swapper/020:50:140
111391220,0ptp4l0-21swapper/020:40:100
111391220,0ptp4l0-21swapper/020:25:110
111391220,0ptp4l0-21swapper/019:50:120
111391220,0ptp4l0-21swapper/019:30:150
111391220,0ptp4l0-21swapper/019:10:190
111391220,0ptp4l0-21swapper/000:35:140
111391220,0ptp4l0-21swapper/000:21:010
111391220,0ptp4l0-21swapper/000:21:010
111391220,0ptp4l0-21swapper/000:10:100
111391210,2ptp4l0-21swapper/020:38:140
111391210,1ptp4l0-21swapper/223:14:302
111391210,0ptp4l0-21swapper/721:36:407
111391210,0ptp4l0-21swapper/720:05:177
111391210,0ptp4l0-21swapper/700:03:037
111391210,0ptp4l0-21swapper/623:53:266
111391210,0ptp4l0-21swapper/623:02:476
111391210,0ptp4l0-21swapper/622:57:146
111391210,0ptp4l0-21swapper/621:27:336
111391210,0ptp4l0-21swapper/600:05:256
111391210,0ptp4l0-21swapper/523:25:165
111391210,0ptp4l0-21swapper/523:19:485
111391210,0ptp4l0-21swapper/521:29:555
111391210,0ptp4l0-21swapper/521:10:455
111391210,0ptp4l0-21swapper/520:50:235
111391210,0ptp4l0-21swapper/500:11:005
111391210,0ptp4l0-21swapper/420:09:554
111391210,0ptp4l0-21swapper/419:45:204
111391210,0ptp4l0-21swapper/400:10:264
111391210,0ptp4l0-21swapper/400:06:224
111391210,0ptp4l0-21swapper/323:08:403
111391210,0ptp4l0-21swapper/322:39:183
111391210,0ptp4l0-21swapper/322:08:103
111391210,0ptp4l0-21swapper/321:36:413
111391210,0ptp4l0-21swapper/321:14:403
111391210,0ptp4l0-21swapper/300:03:103
111391210,0ptp4l0-21swapper/222:57:182
111391210,0ptp4l0-21swapper/222:32:422
111391210,0ptp4l0-21swapper/221:27:282
111391210,0ptp4l0-21swapper/221:17:302
111391210,0ptp4l0-21swapper/200:21:332
111391210,0ptp4l0-21swapper/200:21:332
111391210,0ptp4l0-21swapper/123:30:501
111391210,0ptp4l0-21swapper/023:48:280
111391210,0ptp4l0-21swapper/022:45:330
111391210,0ptp4l0-21swapper/020:46:220
111391210,0ptp4l0-21swapper/019:36:310
111391200,0ptp4l0-21swapper/723:43:107
111391200,0ptp4l0-21swapper/723:08:327
111391200,0ptp4l0-21swapper/722:46:237
111391200,0ptp4l0-21swapper/721:25:017
111391200,0ptp4l0-21swapper/621:13:526
111391200,0ptp4l0-21swapper/600:30:316
111391200,0ptp4l0-21swapper/523:31:325
111391200,0ptp4l0-21swapper/523:20:025
111391200,0ptp4l0-21swapper/420:45:414
111391200,0ptp4l0-21swapper/420:31:424
111391200,0ptp4l0-21swapper/420:14:544
111391200,0ptp4l0-21swapper/400:18:224
111391200,0ptp4l0-21swapper/400:18:224
111391200,0ptp4l0-21swapper/223:47:052
111391200,0ptp4l0-21swapper/223:34:472
111391200,0ptp4l0-21swapper/222:09:122
111391200,0ptp4l0-21swapper/221:55:042
111391200,0ptp4l0-21swapper/221:38:052
111391200,0ptp4l0-21swapper/221:13:502
111391200,0ptp4l0-21swapper/220:22:592
111391200,0ptp4l0-21swapper/200:30:372
111391200,0ptp4l0-21swapper/119:54:581
111391200,0ptp4l0-21swapper/119:29:411
111391200,0ptp4l0-21swapper/020:30:250
111391190,1ptp4l17978-21pgrep20:43:005
111391190,0ptp4l0-21swapper/723:20:207
111391190,0ptp4l0-21swapper/720:29:547
111391190,0ptp4l0-21swapper/622:32:376
111391190,0ptp4l0-21swapper/622:19:266
111391190,0ptp4l0-21swapper/621:17:316
111391190,0ptp4l0-21swapper/619:43:586
111391190,0ptp4l0-21swapper/520:10:085
111391190,0ptp4l0-21swapper/520:04:595
111391190,0ptp4l0-21swapper/321:15:023
111391190,0ptp4l0-21swapper/223:53:252
111391190,0ptp4l0-21swapper/223:09:532
111391190,0ptp4l0-21swapper/200:07:012
111391190,0ptp4l0-21swapper/123:24:381
111391190,0ptp4l0-21swapper/100:18:241
111391190,0ptp4l0-21swapper/100:18:241
111391190,0ptp4l0-21swapper/020:15:000
111391190,0ptp4l0-21swapper/020:00:000
45702180,0sleep30-21swapper/300:30:113
308832180,1sleep341-21ksoftirqd/320:00:163
111391180,0ptp4l0-21swapper/722:10:027
111391180,0ptp4l0-21swapper/622:25:306
111391180,0ptp4l0-21swapper/622:22:286
111391180,0ptp4l0-21swapper/621:38:056
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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