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2026-08-13 - 04:26

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 Aug 13, 2026 00:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3038121010,2sleep52567299cyclictest00:32:085
111391600,5ptp4l0-21swapper/019:07:190
111391590,5ptp4l0-21swapper/519:05:125
111391590,28ptp4l0-21swapper/119:08:371
2516225837,7sleep20-21swapper/219:07:252
56082570,0sleep30-21swapper/321:39:593
111391570,6ptp4l0-21swapper/419:06:534
2516725343,6sleep70-21swapper/719:07:297
2438824735,7sleep30-21swapper/319:05:173
2345224736,6sleep60-21swapper/619:05:046
111391330,0ptp4l0-21swapper/520:45:165
111391320,0ptp4l0-21swapper/700:05:237
111391320,0ptp4l0-21swapper/421:45:364
111391310,0ptp4l0-21swapper/421:20:154
111391310,0ptp4l0-21swapper/121:31:501
111391300,0ptp4l0-21swapper/500:20:135
111391300,0ptp4l0-21swapper/422:26:584
111391300,0ptp4l0-21swapper/400:01:584
111391300,0ptp4l0-21swapper/123:04:121
111391300,0ptp4l0-21swapper/022:30:140
111391300,0ptp4l0-21swapper/022:10:100
111391290,0ptp4l0-21swapper/521:52:505
111391290,0ptp4l0-21swapper/521:36:025
111391290,0ptp4l0-21swapper/423:33:104
111391290,0ptp4l0-21swapper/421:35:234
111391290,0ptp4l0-21swapper/400:32:564
111391290,0ptp4l0-21swapper/122:49:091
111391290,0ptp4l0-21swapper/122:19:201
111391290,0ptp4l0-21swapper/121:16:041
111391290,0ptp4l0-21swapper/023:08:150
111391290,0ptp4l0-21swapper/022:27:370
111391280,0ptp4l0-21swapper/521:33:155
111391280,0ptp4l0-21swapper/423:13:014
111391280,0ptp4l0-21swapper/423:00:544
111391280,0ptp4l0-21swapper/422:32:364
111391280,0ptp4l0-21swapper/221:53:342
111391280,0ptp4l0-21swapper/100:14:061
111391280,0ptp4l0-21swapper/022:54:490
111391280,0ptp4l0-21swapper/000:15:200
111391270,4ptp4l7433-21latency_hist20:50:010
111391270,0ptp4l0-21swapper/700:03:307
111391270,0ptp4l0-21swapper/522:39:415
111391270,0ptp4l0-21swapper/522:39:415
111391270,0ptp4l0-21swapper/519:12:215
111391270,0ptp4l0-21swapper/421:34:544
111391270,0ptp4l0-21swapper/122:33:251
111391270,0ptp4l0-21swapper/121:57:181
111391260,0ptp4l0-21swapper/721:20:517
111391260,0ptp4l0-21swapper/523:48:445
111391260,0ptp4l0-21swapper/523:20:435
111391260,0ptp4l0-21swapper/423:37:334
111391260,0ptp4l0-21swapper/423:16:324
111391260,0ptp4l0-21swapper/422:57:144
111391260,0ptp4l0-21swapper/422:51:424
111391260,0ptp4l0-21swapper/422:02:064
111391260,0ptp4l0-21swapper/421:54:484
111391260,0ptp4l0-21swapper/421:13:214
111391260,0ptp4l0-21swapper/419:45:174
111391260,0ptp4l0-21swapper/222:05:032
111391260,0ptp4l0-21swapper/100:07:001
111391260,0ptp4l0-21swapper/022:24:470
111391260,0ptp4l0-21swapper/021:50:440
111391260,0ptp4l0-21swapper/021:10:150
111391250,1ptp4l21689-21smartctl21:15:194
111391250,0ptp4l0-21swapper/720:00:157
111391250,0ptp4l0-21swapper/522:16:475
111391250,0ptp4l0-21swapper/423:26:404
111391250,0ptp4l0-21swapper/422:40:154
111391250,0ptp4l0-21swapper/422:21:044
111391250,0ptp4l0-21swapper/421:29:134
111391250,0ptp4l0-21swapper/420:40:014
111391250,0ptp4l0-21swapper/420:10:154
111391250,0ptp4l0-21swapper/120:05:171
111391250,0ptp4l0-21swapper/100:29:031
111391250,0ptp4l0-21swapper/023:56:050
111391250,0ptp4l0-21swapper/023:40:160
111391250,0ptp4l0-21swapper/023:37:170
111391250,0ptp4l0-21swapper/023:22:090
111391250,0ptp4l0-21swapper/021:22:330
111391250,0ptp4l0-21swapper/021:18:100
111391240,1ptp4l3224-21kernelversion21:35:161
111391240,1ptp4l32063-21diskstats00:35:124
111391240,1ptp4l31553-21sh21:30:120
111391240,1ptp4l23600-21cat22:05:002
111391240,1ptp4l21896-21hddtemp_smartct20:10:120
111391240,1ptp4l20569-21if_err_enp0s2522:00:151
111391240,1ptp4l18375-21sed00:15:184
111391240,1ptp4l14388-21latency_hist21:05:000
111391240,1ptp4l1228-21hddtemp_smartct19:25:130
111391240,0ptp4l0-21swapper/523:35:125
111391240,0ptp4l0-21swapper/522:33:055
111391240,0ptp4l0-21swapper/522:14:575
111391240,0ptp4l0-21swapper/521:56:105
111391240,0ptp4l0-21swapper/500:10:495
111391240,0ptp4l0-21swapper/423:45:144
111391240,0ptp4l0-21swapper/420:40:134
111391240,0ptp4l0-21swapper/419:25:164
111391240,0ptp4l0-21swapper/400:11:434
111391240,0ptp4l0-21swapper/322:35:183
111391240,0ptp4l0-21swapper/322:35:183
111391240,0ptp4l0-21swapper/320:00:133
111391240,0ptp4l0-21swapper/123:24:421
111391240,0ptp4l0-21swapper/100:19:071
111391240,0ptp4l0-21swapper/023:52:220
111391240,0ptp4l0-21swapper/022:37:330
111391240,0ptp4l0-21swapper/022:37:330
111391240,0ptp4l0-21swapper/021:45:190
111391240,0ptp4l0-21swapper/021:05:110
111391240,0ptp4l0-21swapper/020:35:170
111391230,3ptp4l481ktimersoftd/423:50:494
111391230,1ptp4l733-21dbus-daemon23:15:010
111391230,1ptp4l27383-21/usr/sbin/munin22:55:141
111391230,1ptp4l17029-21smartctl21:55:140
111391230,1ptp4l12089-21idleruntime23:20:144
111391230,0ptp4l0-21swapper/619:40:126
111391230,0ptp4l0-21swapper/522:50:185
111391230,0ptp4l0-21swapper/522:45:155
111391230,0ptp4l0-21swapper/522:29:155
111391230,0ptp4l0-21swapper/521:40:355
111391230,0ptp4l0-21swapper/521:00:145
111391230,0ptp4l0-21swapper/519:40:015
111391230,0ptp4l0-21swapper/519:35:115
111391230,0ptp4l0-21swapper/519:25:125
111391230,0ptp4l0-21swapper/423:55:164
111391230,0ptp4l0-21swapper/423:40:174
111391230,0ptp4l0-21swapper/422:05:394
111391230,0ptp4l0-21swapper/421:55:174
111391230,0ptp4l0-21swapper/421:40:114
111391230,0ptp4l0-21swapper/420:55:134
111391230,0ptp4l0-21swapper/420:50:184
111391230,0ptp4l0-21swapper/420:15:174
111391230,0ptp4l0-21swapper/419:50:164
111391230,0ptp4l0-21swapper/419:19:214
111391230,0ptp4l0-21swapper/419:10:154
111391230,0ptp4l0-21swapper/400:25:204
111391230,0ptp4l0-21swapper/400:20:504
111391230,0ptp4l0-21swapper/322:42:003
111391230,0ptp4l0-21swapper/321:30:163
111391230,0ptp4l0-21swapper/300:24:323
111391230,0ptp4l0-21swapper/300:05:173
111391230,0ptp4l0-21swapper/222:50:002
111391230,0ptp4l0-21swapper/219:45:202
111391230,0ptp4l0-21swapper/122:50:151
111391230,0ptp4l0-21swapper/122:20:121
111391230,0ptp4l0-21swapper/120:45:181
111391230,0ptp4l0-21swapper/120:27:301
111391230,0ptp4l0-21swapper/120:25:001
111391230,0ptp4l0-21swapper/119:25:211
111391230,0ptp4l0-21swapper/119:15:191
111391230,0ptp4l0-21swapper/023:25:160
111391230,0ptp4l0-21swapper/023:13:020
111391230,0ptp4l0-21swapper/023:00:180
111391230,0ptp4l0-21swapper/022:55:170
111391230,0ptp4l0-21swapper/022:40:150
111391230,0ptp4l0-21swapper/022:00:170
111391230,0ptp4l0-21swapper/021:35:120
111391230,0ptp4l0-21swapper/021:26:170
111391230,0ptp4l0-21swapper/020:50:200
111391230,0ptp4l0-21swapper/020:20:160
111391230,0ptp4l0-21swapper/020:05:220
111391230,0ptp4l0-21swapper/019:45:140
111391230,0ptp4l0-21swapper/019:30:130
111391230,0ptp4l0-21swapper/019:20:130
111391230,0ptp4l0-21swapper/019:15:010
111391230,0ptp4l0-21swapper/000:32:210
111391230,0ptp4l0-21swapper/000:21:190
111391230,0ptp4l0-21swapper/000:08:590
111391230,0ptp4l0-21swapper/000:00:190
111391220,1ptp4l7746-21ssh23:14:407
111391220,1ptp4l1068-21runrttasks21:53:406
111391220,0ptp4l16391-21diskmemload22:06:080
111391220,0ptp4l0-21swapper/723:55:067
111391220,0ptp4l0-21swapper/723:54:327
111391220,0ptp4l0-21swapper/722:42:247
111391220,0ptp4l0-21swapper/722:35:107
111391220,0ptp4l0-21swapper/722:35:107
111391220,0ptp4l0-21swapper/700:23:517
111391220,0ptp4l0-21swapper/623:55:216
111391220,0ptp4l0-21swapper/623:25:146
111391220,0ptp4l0-21swapper/622:11:026
111391220,0ptp4l0-21swapper/621:28:416
111391220,0ptp4l0-21swapper/523:58:255
111391220,0ptp4l0-21swapper/523:34:125
111391220,0ptp4l0-21swapper/523:05:145
111391220,0ptp4l0-21swapper/522:55:125
111391220,0ptp4l0-21swapper/522:20:145
111391220,0ptp4l0-21swapper/522:06:255
111391220,0ptp4l0-21swapper/522:00:145
111391220,0ptp4l0-21swapper/521:27:145
111391220,0ptp4l0-21swapper/521:15:155
111391220,0ptp4l0-21swapper/520:57:245
111391220,0ptp4l0-21swapper/520:30:245
111391220,0ptp4l0-21swapper/520:25:135
111391220,0ptp4l0-21swapper/520:05:155
111391220,0ptp4l0-21swapper/519:25:005
111391220,0ptp4l0-21swapper/519:15:185
111391220,0ptp4l0-21swapper/500:39:325
111391220,0ptp4l0-21swapper/500:25:155
111391220,0ptp4l0-21swapper/500:15:415
111391220,0ptp4l0-21swapper/423:06:144
111391220,0ptp4l0-21swapper/422:46:084
111391220,0ptp4l0-21swapper/422:38:554
111391220,0ptp4l0-21swapper/422:38:554
111391220,0ptp4l0-21swapper/422:17:064
111391220,0ptp4l0-21swapper/422:10:204
111391220,0ptp4l0-21swapper/421:05:124
111391220,0ptp4l0-21swapper/421:00:194
111391220,0ptp4l0-21swapper/420:45:204
111391220,0ptp4l0-21swapper/420:20:144
111391220,0ptp4l0-21swapper/419:56:584
111391220,0ptp4l0-21swapper/419:56:584
111391220,0ptp4l0-21swapper/419:44:594
111391220,0ptp4l0-21swapper/419:35:194
111391220,0ptp4l0-21swapper/419:30:134
111391220,0ptp4l0-21swapper/323:10:193
111391220,0ptp4l0-21swapper/319:59:563
111391220,0ptp4l0-21swapper/319:59:563
111391220,0ptp4l0-21swapper/300:04:263
111391220,0ptp4l0-21swapper/223:55:192
111391220,0ptp4l0-21swapper/123:59:431
111391220,0ptp4l0-21swapper/123:45:441
111391220,0ptp4l0-21swapper/123:35:111
111391220,0ptp4l0-21swapper/123:31:161
111391220,0ptp4l0-21swapper/123:18:441
111391220,0ptp4l0-21swapper/123:11:281
111391220,0ptp4l0-21swapper/123:05:151
111391220,0ptp4l0-21swapper/122:38:271
111391220,0ptp4l0-21swapper/122:38:271
111391220,0ptp4l0-21swapper/121:51:061
111391220,0ptp4l0-21swapper/121:46:361
111391220,0ptp4l0-21swapper/121:40:201
111391220,0ptp4l0-21swapper/121:27:161
111391220,0ptp4l0-21swapper/121:11:061
111391220,0ptp4l0-21swapper/121:00:001
111391220,0ptp4l0-21swapper/120:30:221
111391220,0ptp4l0-21swapper/119:55:111
111391220,0ptp4l0-21swapper/119:55:111
111391220,0ptp4l0-21swapper/119:40:001
111391220,0ptp4l0-21swapper/119:34:591
111391220,0ptp4l0-21swapper/119:12:281
111391220,0ptp4l0-21swapper/100:20:131
111391220,0ptp4l0-21swapper/023:45:130
111391220,0ptp4l0-21swapper/023:30:220
111391220,0ptp4l0-21swapper/022:49:220
111391220,0ptp4l0-21swapper/022:15:520
111391220,0ptp4l0-21swapper/021:40:160
111391220,0ptp4l0-21swapper/020:55:140
111391220,0ptp4l0-21swapper/020:40:130
111391220,0ptp4l0-21swapper/020:30:160
111391220,0ptp4l0-21swapper/020:25:200
111391220,0ptp4l0-21swapper/020:15:120
111391220,0ptp4l0-21swapper/019:50:130
111391220,0ptp4l0-21swapper/019:44:560
111391220,0ptp4l0-21swapper/019:10:170
111391220,0ptp4l0-21swapper/000:35:190
111391220,0ptp4l0-21swapper/000:25:120
111391210,0ptp4l8390-21ssh22:29:321
111391210,0ptp4l0-21swapper/722:34:587
111391210,0ptp4l0-21swapper/623:12:416
111391210,0ptp4l0-21swapper/622:50:016
111391210,0ptp4l0-21swapper/622:05:166
111391210,0ptp4l0-21swapper/621:17:566
111391210,0ptp4l0-21swapper/523:42:235
111391210,0ptp4l0-21swapper/523:18:585
111391210,0ptp4l0-21swapper/523:11:185
111391210,0ptp4l0-21swapper/523:02:305
111391210,0ptp4l0-21swapper/521:46:445
111391210,0ptp4l0-21swapper/521:22:045
111391210,0ptp4l0-21swapper/520:36:085
111391210,0ptp4l0-21swapper/520:04:095
111391210,0ptp4l0-21swapper/519:55:115
111391210,0ptp4l0-21swapper/519:55:105
111391210,0ptp4l0-21swapper/519:50:005
111391210,0ptp4l0-21swapper/420:30:204
111391210,0ptp4l0-21swapper/420:06:524
111391210,0ptp4l0-21swapper/419:20:124
111391210,0ptp4l0-21swapper/400:08:444
111391210,0ptp4l0-21swapper/323:37:553
111391210,0ptp4l0-21swapper/321:20:573
111391210,0ptp4l0-21swapper/319:22:333
111391210,0ptp4l0-21swapper/223:17:332
111391210,0ptp4l0-21swapper/222:51:302
111391210,0ptp4l0-21swapper/219:40:132
111391210,0ptp4l0-21swapper/200:19:522
111391210,0ptp4l0-21swapper/123:41:581
111391210,0ptp4l0-21swapper/122:14:511
111391210,0ptp4l0-21swapper/122:06:221
111391210,0ptp4l0-21swapper/121:22:041
111391210,0ptp4l0-21swapper/120:58:131
111391210,0ptp4l0-21swapper/120:42:041
111391210,0ptp4l0-21swapper/120:36:341
111391210,0ptp4l0-21swapper/120:13:231
111391210,0ptp4l0-21swapper/120:04:091
111391210,0ptp4l0-21swapper/100:39:241
111391210,0ptp4l0-21swapper/000:12:520
111391200,0ptp4l0-21swapper/720:47:107
111391200,0ptp4l0-21swapper/719:58:457
111391200,0ptp4l0-21swapper/719:58:447
111391200,0ptp4l0-21swapper/719:52:267
111391200,0ptp4l0-21swapper/623:30:396
111391200,0ptp4l0-21swapper/621:14:036
111391200,0ptp4l0-21swapper/523:28:325
111391200,0ptp4l0-21swapper/521:12:365
111391200,0ptp4l0-21swapper/521:05:235
111391200,0ptp4l0-21swapper/519:49:225
111391200,0ptp4l0-21swapper/519:34:555
111391200,0ptp4l0-21swapper/500:05:485
111391200,0ptp4l0-21swapper/420:26:104
111391200,0ptp4l0-21swapper/323:55:073
111391200,0ptp4l0-21swapper/223:39:062
111391200,0ptp4l0-21swapper/223:03:272
111391200,0ptp4l0-21swapper/221:28:422
111391200,0ptp4l0-21swapper/221:20:102
111391200,0ptp4l0-21swapper/221:17:542
111391200,0ptp4l0-21swapper/221:13:572
111391200,0ptp4l0-21swapper/123:28:101
111391200,0ptp4l0-21swapper/020:02:560
111391190,0ptp4l0-21swapper/723:37:457
111391190,0ptp4l0-21swapper/721:40:457
111391190,0ptp4l0-21swapper/623:39:026
111391190,0ptp4l0-21swapper/623:17:356
111391190,0ptp4l0-21swapper/621:24:516
111391190,0ptp4l0-21swapper/600:19:506
111391190,0ptp4l0-21swapper/523:54:025
111391190,0ptp4l0-21swapper/520:11:515
111391190,0ptp4l0-21swapper/420:02:204
111391190,0ptp4l0-21swapper/323:54:243
111391190,0ptp4l0-21swapper/322:35:003
111391190,0ptp4l0-21swapper/320:30:513
111391190,0ptp4l0-21swapper/223:50:362
111391190,0ptp4l0-21swapper/223:25:122
111391190,0ptp4l0-21swapper/119:49:561
111391190,0ptp4l0-21swapper/019:35:180
111391180,1ptp4l22609-21crond22:50:006
111391180,0ptp4l0-21swapper/623:03:266
111391180,0ptp4l0-21swapper/323:32:023
111391180,0ptp4l0-21swapper/223:12:312
111391180,0ptp4l0-21swapper/119:35:151
111391180,0ptp4l0-21swapper/119:21:451
111391170,0ptp4l0-21swapper/722:53:497
111391170,0ptp4l0-21swapper/620:54:406
111391170,0ptp4l0-21swapper/619:45:196
111391170,0ptp4l0-21swapper/619:19:536
111391170,0ptp4l0-21swapper/500:02:155
111391170,0ptp4l0-21swapper/321:40:413
111391170,0ptp4l0-21swapper/222:18:152
111391170,0ptp4l0-21swapper/221:35:322
111391170,0ptp4l0-21swapper/123:54:001
111391170,0ptp4l0-21swapper/019:58:010
111391170,0ptp4l0-21swapper/019:58:010
111391160,1ptp4l1068-21runrttasks20:06:376
111391160,0ptp4l0-21swapper/720:32:247
111391160,0ptp4l0-21swapper/320:47:083
111391160,0ptp4l0-21swapper/219:19:452
111391160,0ptp4l0-21swapper/121:05:211
111391160,0ptp4l0-21swapper/119:50:201
111391160,0ptp4l0-21swapper/100:33:541
111391160,0ptp4l0-21swapper/100:02:151
111391150,0ptp4l0-21swapper/720:53:087
111391150,0ptp4l0-21swapper/719:22:247
111391150,0ptp4l0-21swapper/621:05:426
111391150,0ptp4l0-21swapper/621:03:176
111391150,0ptp4l0-21swapper/620:45:326
111391150,0ptp4l0-21swapper/620:36:596
111391150,0ptp4l0-21swapper/619:51:356
111391150,0ptp4l0-21swapper/619:24:196
111391150,0ptp4l0-21swapper/520:40:525
111391150,0ptp4l0-21swapper/520:24:405
111391150,0ptp4l0-21swapper/320:53:013
111391150,0ptp4l0-21swapper/223:30:372
111391150,0ptp4l0-21swapper/221:49:332
111391150,0ptp4l0-21swapper/221:05:352
111391150,0ptp4l0-21swapper/221:03:092
111391150,0ptp4l0-21swapper/220:54:362
111391150,0ptp4l0-21swapper/220:49:312
111391150,0ptp4l0-21swapper/220:06:262
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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