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2026-07-10 - 13:52

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 Fri Jul 10, 2026 00:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17082920,0sleep70-21swapper/719:05:197
111391700,31ptp4l0-21swapper/119:07:501
215026342,6sleep20-21swapper/219:06:202
111391600,29ptp4l0-21swapper/019:07:440
111391590,5ptp4l0-21swapper/519:06:215
16042580,0sleep41603-21ksmtuned00:03:314
111391560,5ptp4l0-21swapper/419:05:104
49472540,0sleep20-21swapper/219:14:592
208542540,0sleep20-21swapper/220:55:202
226824736,6sleep60-21swapper/619:07:446
211524736,7sleep30-21swapper/319:05:493
111391360,0ptp4l0-21swapper/121:59:471
111391350,1ptp4l28182-21ssh21:52:034
111391340,0ptp4l0-21swapper/600:15:146
111391340,0ptp4l0-21swapper/122:00:251
111391330,0ptp4l0-21swapper/323:16:053
111391320,3ptp4l0-21swapper/121:34:321
111391320,0ptp4l0-21swapper/423:00:164
111391310,2ptp4l0-21swapper/121:38:351
111391310,0ptp4l0-21swapper/421:49:434
111391310,0ptp4l0-21swapper/322:47:233
111391300,3ptp4l0-21swapper/121:50:491
111391300,0ptp4l0-21swapper/423:48:324
111391300,0ptp4l0-21swapper/422:17:464
111391300,0ptp4l0-21swapper/421:29:554
111391300,0ptp4l0-21swapper/322:30:423
111391300,0ptp4l0-21swapper/122:15:231
111391300,0ptp4l0-21swapper/100:18:061
111391300,0ptp4l0-21swapper/022:51:270
111391290,0ptp4l0-21swapper/723:18:157
111391290,0ptp4l0-21swapper/521:52:275
111391290,0ptp4l0-21swapper/423:05:184
111391290,0ptp4l0-21swapper/321:35:323
111391290,0ptp4l0-21swapper/122:08:531
111391290,0ptp4l0-21swapper/122:08:531
111391280,5ptp4l12116-21kworker/0:023:07:290
111391280,0ptp4l0-21swapper/721:22:227
111391280,0ptp4l0-21swapper/422:58:504
111391280,0ptp4l0-21swapper/422:36:524
111391280,0ptp4l0-21swapper/400:36:214
111391280,0ptp4l0-21swapper/400:16:074
111391280,0ptp4l0-21swapper/323:41:403
111391280,0ptp4l0-21swapper/323:12:513
111391280,0ptp4l0-21swapper/121:43:081
111391280,0ptp4l0-21swapper/023:52:300
111391270,3ptp4l0-21swapper/123:21:151
111391270,0ptp4l0-21swapper/700:06:117
111391270,0ptp4l0-21swapper/622:11:096
111391270,0ptp4l0-21swapper/622:11:096
111391270,0ptp4l0-21swapper/523:36:035
111391270,0ptp4l0-21swapper/521:56:555
111391270,0ptp4l0-21swapper/519:30:195
111391270,0ptp4l0-21swapper/519:30:195
111391270,0ptp4l0-21swapper/423:51:124
111391270,0ptp4l0-21swapper/422:33:584
111391270,0ptp4l0-21swapper/422:10:024
111391270,0ptp4l0-21swapper/422:10:024
111391270,0ptp4l0-21swapper/400:34:044
111391270,0ptp4l0-21swapper/400:09:014
111391260,2ptp4l0-21swapper/600:13:046
111391260,0ptp4l0-21swapper/723:26:227
111391260,0ptp4l0-21swapper/621:49:556
111391260,0ptp4l0-21swapper/521:46:595
111391260,0ptp4l0-21swapper/500:30:165
111391260,0ptp4l0-21swapper/420:10:124
111391260,0ptp4l0-21swapper/121:19:171
111391250,3ptp4l481ktimersoftd/423:32:374
111391250,1ptp4l4043-21latency_hist22:45:001
111391250,0ptp4l25847-21diskmemload23:50:126
111391250,0ptp4l0-21swapper/723:45:267
111391250,0ptp4l0-21swapper/722:10:447
111391250,0ptp4l0-21swapper/722:10:447
111391250,0ptp4l0-21swapper/623:17:396
111391250,0ptp4l0-21swapper/423:17:504
111391250,0ptp4l0-21swapper/422:40:244
111391250,0ptp4l0-21swapper/422:25:134
111391250,0ptp4l0-21swapper/421:40:174
111391250,0ptp4l0-21swapper/421:13:124
111391250,0ptp4l0-21swapper/319:15:013
111391250,0ptp4l0-21swapper/023:35:130
111391250,0ptp4l0-21swapper/023:15:000
111391250,0ptp4l0-21swapper/022:13:080
111391250,0ptp4l0-21swapper/022:13:080
111391250,0ptp4l0-21swapper/021:45:120
111391240,1ptp4l9366-21timerandwakeup19:20:194
111391240,1ptp4l654-21find23:20:190
111391240,1ptp4l121rcu_preempt22:01:180
111391240,1ptp4l11794-21/usr/sbin/munin23:35:164
111391240,1ptp4l10293-21idleruntime00:15:132
111391240,0ptp4l0-21swapper/722:35:157
111391240,0ptp4l0-21swapper/722:30:137
111391240,0ptp4l0-21swapper/722:19:027
111391240,0ptp4l0-21swapper/720:23:077
111391240,0ptp4l0-21swapper/719:45:207
111391240,0ptp4l0-21swapper/700:31:567
111391240,0ptp4l0-21swapper/700:20:177
111391240,0ptp4l0-21swapper/623:30:146
111391240,0ptp4l0-21swapper/500:39:475
111391240,0ptp4l0-21swapper/423:59:034
111391240,0ptp4l0-21swapper/423:10:544
111391240,0ptp4l0-21swapper/422:54:354
111391240,0ptp4l0-21swapper/421:58:264
111391240,0ptp4l0-21swapper/421:17:414
111391240,0ptp4l0-21swapper/323:25:173
111391240,0ptp4l0-21swapper/322:50:173
111391240,0ptp4l0-21swapper/322:20:223
111391240,0ptp4l0-21swapper/322:05:123
111391240,0ptp4l0-21swapper/322:05:123
111391240,0ptp4l0-21swapper/319:25:173
111391240,0ptp4l0-21swapper/300:25:153
111391240,0ptp4l0-21swapper/300:20:073
111391240,0ptp4l0-21swapper/300:20:003
111391240,0ptp4l0-21swapper/223:30:122
111391240,0ptp4l0-21swapper/223:23:292
111391240,0ptp4l0-21swapper/123:35:491
111391240,0ptp4l0-21swapper/123:08:141
111391240,0ptp4l0-21swapper/119:55:141
111391240,0ptp4l0-21swapper/023:55:160
111391240,0ptp4l0-21swapper/022:46:300
111391240,0ptp4l0-21swapper/022:25:180
111391240,0ptp4l0-21swapper/021:31:470
111391240,0ptp4l0-21swapper/021:10:180
111391240,0ptp4l0-21swapper/020:45:200
111391240,0ptp4l0-21swapper/019:35:160
111391230,1ptp4l6612-21memory19:15:152
111391230,1ptp4l5652-21timerandwakeup22:45:211
111391230,1ptp4l32035-21grep21:15:243
111391230,1ptp4l19896-21irqrtprio20:55:144
111391230,1ptp4l17147-21ssh22:20:077
111391230,1ptp4l16919-21/usr/sbin/munin19:40:007
111391230,0ptp4l31544-21ps00:00:165
111391230,0ptp4l0-21swapper/723:55:187
111391230,0ptp4l0-21swapper/723:22:237
111391230,0ptp4l0-21swapper/723:12:407
111391230,0ptp4l0-21swapper/722:50:157
111391230,0ptp4l0-21swapper/722:49:327
111391230,0ptp4l0-21swapper/722:30:007
111391230,0ptp4l0-21swapper/721:55:167
111391230,0ptp4l0-21swapper/721:47:427
111391230,0ptp4l0-21swapper/721:35:187
111391230,0ptp4l0-21swapper/721:30:127
111391230,0ptp4l0-21swapper/721:25:387
111391230,0ptp4l0-21swapper/721:15:207
111391230,0ptp4l0-21swapper/719:55:107
111391230,0ptp4l0-21swapper/700:25:157
111391230,0ptp4l0-21swapper/623:01:156
111391230,0ptp4l0-21swapper/622:40:216
111391230,0ptp4l0-21swapper/622:36:386
111391230,0ptp4l0-21swapper/620:15:116
111391230,0ptp4l0-21swapper/619:15:146
111391230,0ptp4l0-21swapper/523:50:005
111391230,0ptp4l0-21swapper/523:49:435
111391230,0ptp4l0-21swapper/522:12:295
111391230,0ptp4l0-21swapper/522:12:295
111391230,0ptp4l0-21swapper/522:00:115
111391230,0ptp4l0-21swapper/521:32:235
111391230,0ptp4l0-21swapper/521:28:485
111391230,0ptp4l0-21swapper/520:55:005
111391230,0ptp4l0-21swapper/520:10:195
111391230,0ptp4l0-21swapper/500:28:325
111391230,0ptp4l0-21swapper/423:27:174
111391230,0ptp4l0-21swapper/422:45:134
111391230,0ptp4l0-21swapper/421:37:394
111391230,0ptp4l0-21swapper/421:01:224
111391230,0ptp4l0-21swapper/420:45:114
111391230,0ptp4l0-21swapper/419:13:264
111391230,0ptp4l0-21swapper/400:14:574
111391230,0ptp4l0-21swapper/323:55:213
111391230,0ptp4l0-21swapper/323:46:093
111391230,0ptp4l0-21swapper/323:22:213
111391230,0ptp4l0-21swapper/323:06:223
111391230,0ptp4l0-21swapper/323:03:183
111391230,0ptp4l0-21swapper/322:35:183
111391230,0ptp4l0-21swapper/322:26:313
111391230,0ptp4l0-21swapper/322:19:473
111391230,0ptp4l0-21swapper/321:44:293
111391230,0ptp4l0-21swapper/321:30:133
111391230,0ptp4l0-21swapper/321:00:153
111391230,0ptp4l0-21swapper/319:45:173
111391230,0ptp4l0-21swapper/300:11:483
111391230,0ptp4l0-21swapper/222:25:222
111391230,0ptp4l0-21swapper/123:57:041
111391230,0ptp4l0-21swapper/123:49:011
111391230,0ptp4l0-21swapper/123:15:191
111391230,0ptp4l0-21swapper/123:10:191
111391230,0ptp4l0-21swapper/123:02:191
111391230,0ptp4l0-21swapper/121:20:561
111391230,0ptp4l0-21swapper/119:50:121
111391230,0ptp4l0-21swapper/119:24:361
111391230,0ptp4l0-21swapper/100:00:141
111391230,0ptp4l0-21swapper/023:30:100
111391230,0ptp4l0-21swapper/023:00:170
111391230,0ptp4l0-21swapper/022:55:160
111391230,0ptp4l0-21swapper/022:40:590
111391230,0ptp4l0-21swapper/022:36:570
111391230,0ptp4l0-21swapper/021:50:130
111391230,0ptp4l0-21swapper/021:44:530
111391230,0ptp4l0-21swapper/021:20:050
111391230,0ptp4l0-21swapper/021:17:130
111391230,0ptp4l0-21swapper/020:15:140
111391230,0ptp4l0-21swapper/019:35:010
111391230,0ptp4l0-21swapper/019:35:010
111391230,0ptp4l0-21swapper/019:15:130
111391230,0ptp4l0-21swapper/000:30:110
111391230,0ptp4l0-21swapper/000:28:150
111391230,0ptp4l0-21swapper/000:14:370
111391230,0ptp4l0-21swapper/000:05:230
111391230,0ptp4l0-21swapper/000:02:000
111391220,1ptp4l25847-21diskmemload00:37:006
111391220,1ptp4l12739-21kworker/1:222:21:161
111391220,0ptp4l25847-21diskmemload23:20:445
111391220,0ptp4l1035-21irqrtprio22:40:162
111391220,0ptp4l0-21swapper/723:51:447
111391220,0ptp4l0-21swapper/723:42:277
111391220,0ptp4l0-21swapper/723:39:047
111391220,0ptp4l0-21swapper/723:33:297
111391220,0ptp4l0-21swapper/723:05:347
111391220,0ptp4l0-21swapper/723:01:597
111391220,0ptp4l0-21swapper/722:55:377
111391220,0ptp4l0-21swapper/722:05:137
111391220,0ptp4l0-21swapper/722:05:137
111391220,0ptp4l0-21swapper/721:50:407
111391220,0ptp4l0-21swapper/721:44:317
111391220,0ptp4l0-21swapper/721:11:017
111391220,0ptp4l0-21swapper/720:40:167
111391220,0ptp4l0-21swapper/719:40:127
111391220,0ptp4l0-21swapper/719:25:207
111391220,0ptp4l0-21swapper/719:15:027
111391220,0ptp4l0-21swapper/700:10:277
111391220,0ptp4l0-21swapper/700:01:277
111391220,0ptp4l0-21swapper/623:40:126
111391220,0ptp4l0-21swapper/622:46:246
111391220,0ptp4l0-21swapper/622:34:536
111391220,0ptp4l0-21swapper/621:20:156
111391220,0ptp4l0-21swapper/621:10:096
111391220,0ptp4l0-21swapper/620:20:196
111391220,0ptp4l0-21swapper/523:57:555
111391220,0ptp4l0-21swapper/523:30:055
111391220,0ptp4l0-21swapper/523:15:145
111391220,0ptp4l0-21swapper/523:10:185
111391220,0ptp4l0-21swapper/523:05:005
111391220,0ptp4l0-21swapper/523:01:275
111391220,0ptp4l0-21swapper/522:54:015
111391220,0ptp4l0-21swapper/522:45:415
111391220,0ptp4l0-21swapper/522:44:135
111391220,0ptp4l0-21swapper/522:21:215
111391220,0ptp4l0-21swapper/522:15:135
111391220,0ptp4l0-21swapper/521:40:535
111391220,0ptp4l0-21swapper/521:36:065
111391220,0ptp4l0-21swapper/521:21:115
111391220,0ptp4l0-21swapper/521:19:185
111391220,0ptp4l0-21swapper/520:30:125
111391220,0ptp4l0-21swapper/520:25:125
111391220,0ptp4l0-21swapper/520:25:015
111391220,0ptp4l0-21swapper/520:20:015
111391220,0ptp4l0-21swapper/520:05:135
111391220,0ptp4l0-21swapper/519:55:145
111391220,0ptp4l0-21swapper/519:10:225
111391220,0ptp4l0-21swapper/500:17:015
111391220,0ptp4l0-21swapper/500:12:275
111391220,0ptp4l0-21swapper/500:08:035
111391220,0ptp4l0-21swapper/423:40:174
111391220,0ptp4l0-21swapper/423:20:014
111391220,0ptp4l0-21swapper/422:20:464
111391220,0ptp4l0-21swapper/422:06:394
111391220,0ptp4l0-21swapper/422:06:394
111391220,0ptp4l0-21swapper/422:03:404
111391220,0ptp4l0-21swapper/421:34:054
111391220,0ptp4l0-21swapper/421:20:034
111391220,0ptp4l0-21swapper/421:05:134
111391220,0ptp4l0-21swapper/420:50:204
111391220,0ptp4l0-21swapper/420:40:004
111391220,0ptp4l0-21swapper/420:35:124
111391220,0ptp4l0-21swapper/420:20:134
111391220,0ptp4l0-21swapper/420:15:124
111391220,0ptp4l0-21swapper/420:00:124
111391220,0ptp4l0-21swapper/419:50:184
111391220,0ptp4l0-21swapper/419:46:534
111391220,0ptp4l0-21swapper/419:41:194
111391220,0ptp4l0-21swapper/419:35:114
111391220,0ptp4l0-21swapper/419:15:104
111391220,0ptp4l0-21swapper/400:26:354
111391220,0ptp4l0-21swapper/400:21:174
111391220,0ptp4l0-21swapper/323:39:063
111391220,0ptp4l0-21swapper/323:34:023
111391220,0ptp4l0-21swapper/322:56:043
111391220,0ptp4l0-21swapper/322:10:383
111391220,0ptp4l0-21swapper/322:10:383
111391220,0ptp4l0-21swapper/321:55:143
111391220,0ptp4l0-21swapper/321:50:333
111391220,0ptp4l0-21swapper/321:47:143
111391220,0ptp4l0-21swapper/321:25:463
111391220,0ptp4l0-21swapper/321:23:153
111391220,0ptp4l0-21swapper/321:11:173
111391220,0ptp4l0-21swapper/320:40:143
111391220,0ptp4l0-21swapper/319:40:183
111391220,0ptp4l0-21swapper/300:09:313
111391220,0ptp4l0-21swapper/223:27:132
111391220,0ptp4l0-21swapper/223:17:222
111391220,0ptp4l0-21swapper/223:04:232
111391220,0ptp4l0-21swapper/222:59:232
111391220,0ptp4l0-21swapper/222:46:412
111391220,0ptp4l0-21swapper/222:36:452
111391220,0ptp4l0-21swapper/221:45:002
111391220,0ptp4l0-21swapper/221:41:262
111391220,0ptp4l0-21swapper/221:35:112
111391220,0ptp4l0-21swapper/221:25:152
111391220,0ptp4l0-21swapper/221:20:162
111391220,0ptp4l0-21swapper/221:00:192
111391220,0ptp4l0-21swapper/220:50:122
111391220,0ptp4l0-21swapper/220:20:112
111391220,0ptp4l0-21swapper/220:15:112
111391220,0ptp4l0-21swapper/200:37:032
111391220,0ptp4l0-21swapper/200:25:552
111391220,0ptp4l0-21swapper/123:30:411
111391220,0ptp4l0-21swapper/122:50:251
111391220,0ptp4l0-21swapper/122:11:321
111391220,0ptp4l0-21swapper/122:11:321
111391220,0ptp4l0-21swapper/121:45:431
111391220,0ptp4l0-21swapper/120:30:171
111391220,0ptp4l0-21swapper/120:25:191
111391220,0ptp4l0-21swapper/120:07:551
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/119:30:121
111391220,0ptp4l0-21swapper/100:36:151
111391220,0ptp4l0-21swapper/100:30:161
111391220,0ptp4l0-21swapper/100:14:071
111391220,0ptp4l0-21swapper/100:07:181
111391220,0ptp4l0-21swapper/023:47:440
111391220,0ptp4l0-21swapper/023:40:150
111391220,0ptp4l0-21swapper/023:27:330
111391220,0ptp4l0-21swapper/023:17:540
111391220,0ptp4l0-21swapper/022:33:510
111391220,0ptp4l0-21swapper/022:20:570
111391220,0ptp4l0-21swapper/022:15:040
111391220,0ptp4l0-21swapper/022:07:190
111391220,0ptp4l0-21swapper/022:07:190
111391220,0ptp4l0-21swapper/021:56:190
111391220,0ptp4l0-21swapper/021:36:290
111391220,0ptp4l0-21swapper/021:25:220
111391220,0ptp4l0-21swapper/021:05:140
111391220,0ptp4l0-21swapper/020:55:200
111391220,0ptp4l0-21swapper/020:35:120
111391220,0ptp4l0-21swapper/020:09:560
111391220,0ptp4l0-21swapper/019:20:170
111391220,0ptp4l0-21swapper/019:10:170
111391220,0ptp4l0-21swapper/000:35:580
111391220,0ptp4l0-21swapper/000:15:090
111391210,6ptp4l0-21swapper/120:02:151
111391210,0ptp4l0-21swapper/721:00:187
111391210,0ptp4l0-21swapper/719:12:287
111391210,0ptp4l0-21swapper/700:19:527
111391210,0ptp4l0-21swapper/623:27:106
111391210,0ptp4l0-21swapper/623:23:316
111391210,0ptp4l0-21swapper/622:23:156
111391210,0ptp4l0-21swapper/621:58:246
111391210,0ptp4l0-21swapper/621:35:126
111391210,0ptp4l0-21swapper/621:19:336
111391210,0ptp4l0-21swapper/522:55:065
111391210,0ptp4l0-21swapper/522:06:355
111391210,0ptp4l0-21swapper/522:06:355
111391210,0ptp4l0-21swapper/521:10:025
111391210,0ptp4l0-21swapper/519:50:155
111391210,0ptp4l0-21swapper/519:38:115
111391210,0ptp4l0-21swapper/519:24:295
111391210,0ptp4l0-21swapper/323:51:333
111391210,0ptp4l0-21swapper/321:06:583
111391210,0ptp4l0-21swapper/319:50:103
111391210,0ptp4l0-21swapper/319:14:293
111391210,0ptp4l0-21swapper/223:40:112
111391210,0ptp4l0-21swapper/222:23:132
111391210,0ptp4l0-21swapper/221:18:332
111391210,0ptp4l0-21swapper/221:10:082
111391210,0ptp4l0-21swapper/200:30:072
111391210,0ptp4l0-21swapper/200:10:212
111391210,0ptp4l0-21swapper/200:00:392
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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