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2026-08-10 - 19:23

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 Mon Aug 10, 2026 12:46:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
111391630,5ptp4l0-21swapper/407:07:324
110362630,0sleep20-21swapper/210:06:212
111391610,5ptp4l0-21swapper/007:08:080
111292610,0sleep40-21swapper/412:20:024
111292610,0sleep40-21swapper/412:20:014
869825938,7sleep20-21swapper/207:05:522
1881915835,7phc2sys0-21swapper/707:08:417
111391560,5ptp4l0-21swapper/107:05:211
103882560,0sleep50-21swapper/511:35:005
111391480,5ptp4l0-21swapper/507:05:085
877524736,6sleep60-21swapper/607:06:526
877224736,7sleep30-21swapper/307:06:493
111391360,1ptp4l30756-21diskstats09:05:113
111391360,1ptp4l24132-21/usr/sbin/munin07:40:125
111391360,0ptp4l0-21swapper/508:00:145
111391350,0ptp4l0-21swapper/108:00:121
111391340,0ptp4l0-21swapper/212:16:302
111391340,0ptp4l0-21swapper/109:45:181
111391330,0ptp4l0-21swapper/511:18:495
111391320,0ptp4l0-21swapper/509:32:335
111391320,0ptp4l0-21swapper/509:18:585
111391320,0ptp4l0-21swapper/110:49:001
111391310,0ptp4l0-21swapper/510:09:265
111391310,0ptp4l0-21swapper/112:33:431
111391310,0ptp4l0-21swapper/111:38:121
111391310,0ptp4l0-21swapper/109:50:381
111391310,0ptp4l0-21swapper/109:50:371
111391310,0ptp4l0-21swapper/109:29:091
111391300,0ptp4l0-21swapper/509:35:295
111391300,0ptp4l0-21swapper/409:47:124
111391300,0ptp4l0-21swapper/109:31:391
111391290,0ptp4l0-21swapper/710:51:147
111391290,0ptp4l0-21swapper/512:21:245
111391290,0ptp4l0-21swapper/512:21:235
111391290,0ptp4l0-21swapper/411:52:254
111391290,0ptp4l0-21swapper/410:04:544
111391290,0ptp4l0-21swapper/409:58:084
111391290,0ptp4l0-21swapper/409:00:224
111391290,0ptp4l0-21swapper/408:35:194
111391290,0ptp4l0-21swapper/208:35:132
111391280,0ptp4l0-21swapper/511:55:585
111391280,0ptp4l0-21swapper/510:49:125
111391280,0ptp4l0-21swapper/510:38:145
111391280,0ptp4l0-21swapper/510:26:445
111391280,0ptp4l0-21swapper/510:23:565
111391280,0ptp4l0-21swapper/509:48:565
111391280,0ptp4l0-21swapper/209:25:122
111391280,0ptp4l0-21swapper/209:13:322
111391280,0ptp4l0-21swapper/011:46:350
111391270,0ptp4l0-21swapper/611:43:196
111391270,0ptp4l0-21swapper/512:34:375
111391270,0ptp4l0-21swapper/509:03:475
111391270,0ptp4l0-21swapper/412:15:524
111391270,0ptp4l0-21swapper/412:07:234
111391270,0ptp4l0-21swapper/111:57:411
111391270,0ptp4l0-21swapper/110:32:061
111391270,0ptp4l0-21swapper/011:42:070
111391270,0ptp4l0-21swapper/010:11:170
111391270,0ptp4l0-21swapper/009:58:280
111391260,2ptp4l0-21swapper/511:50:235
111391260,0ptp4l0-21swapper/708:10:137
111391260,0ptp4l0-21swapper/611:39:096
111391260,0ptp4l0-21swapper/510:11:255
111391260,0ptp4l0-21swapper/510:04:465
111391260,0ptp4l0-21swapper/411:40:214
111391260,0ptp4l0-21swapper/409:38:164
111391260,0ptp4l0-21swapper/409:20:354
111391260,0ptp4l0-21swapper/307:42:433
111391260,0ptp4l0-21swapper/111:25:201
111391260,0ptp4l0-21swapper/110:53:071
111391260,0ptp4l0-21swapper/110:36:291
111391260,0ptp4l0-21swapper/109:57:411
111391260,0ptp4l0-21swapper/109:03:521
111391250,3ptp4l0-21swapper/512:05:585
111391250,1ptp4l28250-21cat07:50:021
111391250,0ptp4l0-21swapper/612:16:286
111391250,0ptp4l0-21swapper/512:16:565
111391250,0ptp4l0-21swapper/511:03:515
111391250,0ptp4l0-21swapper/507:55:385
111391250,0ptp4l0-21swapper/507:27:085
111391250,0ptp4l0-21swapper/507:10:115
111391250,0ptp4l0-21swapper/507:10:115
111391250,0ptp4l0-21swapper/412:30:194
111391250,0ptp4l0-21swapper/411:29:014
111391250,0ptp4l0-21swapper/411:20:184
111391250,0ptp4l0-21swapper/411:14:084
111391250,0ptp4l0-21swapper/410:57:054
111391250,0ptp4l0-21swapper/408:47:134
111391250,0ptp4l0-21swapper/310:51:053
111391250,0ptp4l0-21swapper/110:20:081
111391250,0ptp4l0-21swapper/108:24:241
111391250,0ptp4l0-21swapper/107:19:121
111391250,0ptp4l0-21swapper/011:58:180
111391250,0ptp4l0-21swapper/009:39:450
111391240,2ptp4l0-21swapper/009:17:330
111391240,1ptp4l9950-21missed_timers10:05:161
111391240,1ptp4l9537-21ls10:49:590
111391240,1ptp4l32398-21diskmemload11:40:231
111391240,1ptp4l3161-21kworker/u16:010:44:065
111391240,1ptp4l28476-21fw_conntrack11:15:124
111391240,1ptp4l17710-21sed07:25:174
111391240,1ptp4l17511-21/usr/sbin/munin10:15:184
111391240,1ptp4l14794-21cpuspeed_turbos07:20:114
111391240,1ptp4l1347-21idleruntime-cro09:55:000
111391240,1ptp4l1347-21idleruntime-cro09:55:000
111391240,1ptp4l12410-21df_inode08:25:124
111391240,0ptp4l32398-21diskmemload09:20:111
111391240,0ptp4l0-21swapper/512:00:205
111391240,0ptp4l0-21swapper/511:50:005
111391240,0ptp4l0-21swapper/511:13:465
111391240,0ptp4l0-21swapper/510:55:185
111391240,0ptp4l0-21swapper/510:51:405
111391240,0ptp4l0-21swapper/509:57:305
111391240,0ptp4l0-21swapper/509:40:205
111391240,0ptp4l0-21swapper/509:10:195
111391240,0ptp4l0-21swapper/508:10:225
111391240,0ptp4l0-21swapper/507:45:555
111391240,0ptp4l0-21swapper/507:39:125
111391240,0ptp4l0-21swapper/507:25:005
111391240,0ptp4l0-21swapper/412:00:044
111391240,0ptp4l0-21swapper/410:30:004
111391240,0ptp4l0-21swapper/409:28:514
111391240,0ptp4l0-21swapper/408:51:484
111391240,0ptp4l0-21swapper/310:35:533
111391240,0ptp4l0-21swapper/308:55:123
111391240,0ptp4l0-21swapper/308:10:143
111391240,0ptp4l0-21swapper/111:45:121
111391240,0ptp4l0-21swapper/108:40:141
111391240,0ptp4l0-21swapper/012:30:150
111391240,0ptp4l0-21swapper/011:39:550
111391240,0ptp4l0-21swapper/011:20:010
111391240,0ptp4l0-21swapper/011:05:150
111391240,0ptp4l0-21swapper/008:35:170
111391240,0ptp4l0-21swapper/008:30:170
111391240,0ptp4l0-21swapper/008:15:160
111391240,0ptp4l0-21swapper/008:05:210
111391240,0ptp4l0-21swapper/007:20:000
111391230,1ptp4l8712-21ssh11:31:004
111391230,1ptp4l65-21ksoftirqd/609:25:216
111391230,1ptp4l16086-21sensors_temp12:25:205
111391230,1ptp4l0-21swapper/009:28:110
111391230,0ptp4l20473-21awk11:05:000
111391230,0ptp4l0-21swapper/712:30:217
111391230,0ptp4l0-21swapper/708:55:007
111391230,0ptp4l0-21swapper/610:43:026
111391230,0ptp4l0-21swapper/608:35:136
111391230,0ptp4l0-21swapper/512:35:195
111391230,0ptp4l0-21swapper/511:25:125
111391230,0ptp4l0-21swapper/509:50:155
111391230,0ptp4l0-21swapper/509:50:145
111391230,0ptp4l0-21swapper/509:22:045
111391230,0ptp4l0-21swapper/508:50:155
111391230,0ptp4l0-21swapper/508:15:205
111391230,0ptp4l0-21swapper/412:10:134
111391230,0ptp4l0-21swapper/411:55:144
111391230,0ptp4l0-21swapper/411:05:144
111391230,0ptp4l0-21swapper/410:45:124
111391230,0ptp4l0-21swapper/410:06:464
111391230,0ptp4l0-21swapper/409:10:344
111391230,0ptp4l0-21swapper/408:20:214
111391230,0ptp4l0-21swapper/408:05:134
111391230,0ptp4l0-21swapper/407:55:144
111391230,0ptp4l0-21swapper/407:48:504
111391230,0ptp4l0-21swapper/407:40:184
111391230,0ptp4l0-21swapper/407:15:014
111391230,0ptp4l0-21swapper/212:13:362
111391230,0ptp4l0-21swapper/112:35:121
111391230,0ptp4l0-21swapper/112:18:011
111391230,0ptp4l0-21swapper/112:10:201
111391230,0ptp4l0-21swapper/112:05:221
111391230,0ptp4l0-21swapper/112:01:501
111391230,0ptp4l0-21swapper/111:00:121
111391230,0ptp4l0-21swapper/110:25:131
111391230,0ptp4l0-21swapper/109:40:201
111391230,0ptp4l0-21swapper/109:35:121
111391230,0ptp4l0-21swapper/109:15:181
111391230,0ptp4l0-21swapper/109:10:141
111391230,0ptp4l0-21swapper/109:07:341
111391230,0ptp4l0-21swapper/107:39:191
111391230,0ptp4l0-21swapper/107:29:571
111391230,0ptp4l0-21swapper/107:24:391
111391230,0ptp4l0-21swapper/012:39:360
111391230,0ptp4l0-21swapper/012:29:300
111391230,0ptp4l0-21swapper/012:20:180
111391230,0ptp4l0-21swapper/012:20:170
111391230,0ptp4l0-21swapper/012:15:100
111391230,0ptp4l0-21swapper/011:53:070
111391230,0ptp4l0-21swapper/011:30:210
111391230,0ptp4l0-21swapper/011:25:320
111391230,0ptp4l0-21swapper/011:10:060
111391230,0ptp4l0-21swapper/010:50:170
111391230,0ptp4l0-21swapper/010:38:240
111391230,0ptp4l0-21swapper/010:25:130
111391230,0ptp4l0-21swapper/010:05:140
111391230,0ptp4l0-21swapper/010:00:190
111391230,0ptp4l0-21swapper/009:40:130
111391230,0ptp4l0-21swapper/008:20:150
111391230,0ptp4l0-21swapper/007:20:170
111391230,0ptp4l0-21swapper/007:15:000
111391230,0ptp4l0-21swapper/007:15:000
111391220,1ptp4l321ktimersoftd/211:29:082
111391220,0ptp4l32398-21diskmemload11:37:124
111391220,0ptp4l26789-21ssh11:12:101
111391220,0ptp4l0-21swapper/711:20:547
111391220,0ptp4l0-21swapper/711:10:187
111391220,0ptp4l0-21swapper/710:36:087
111391220,0ptp4l0-21swapper/710:26:077
111391220,0ptp4l0-21swapper/708:55:147
111391220,0ptp4l0-21swapper/611:48:256
111391220,0ptp4l0-21swapper/609:44:136
111391220,0ptp4l0-21swapper/608:15:126
111391220,0ptp4l0-21swapper/608:00:176
111391220,0ptp4l0-21swapper/511:42:255
111391220,0ptp4l0-21swapper/511:24:065
111391220,0ptp4l0-21swapper/511:05:195
111391220,0ptp4l0-21swapper/510:30:205
111391220,0ptp4l0-21swapper/510:17:145
111391220,0ptp4l0-21swapper/508:40:135
111391220,0ptp4l0-21swapper/412:38:244
111391220,0ptp4l0-21swapper/412:28:374
111391220,0ptp4l0-21swapper/411:46:314
111391220,0ptp4l0-21swapper/411:02:554
111391220,0ptp4l0-21swapper/410:50:014
111391220,0ptp4l0-21swapper/410:42:104
111391220,0ptp4l0-21swapper/410:36:474
111391220,0ptp4l0-21swapper/410:30:374
111391220,0ptp4l0-21swapper/410:21:154
111391220,0ptp4l0-21swapper/410:10:004
111391220,0ptp4l0-21swapper/409:53:534
111391220,0ptp4l0-21swapper/409:53:524
111391220,0ptp4l0-21swapper/409:40:124
111391220,0ptp4l0-21swapper/409:30:174
111391220,0ptp4l0-21swapper/409:15:164
111391220,0ptp4l0-21swapper/409:05:164
111391220,0ptp4l0-21swapper/408:30:134
111391220,0ptp4l0-21swapper/408:15:154
111391220,0ptp4l0-21swapper/407:35:184
111391220,0ptp4l0-21swapper/407:35:004
111391220,0ptp4l0-21swapper/312:30:193
111391220,0ptp4l0-21swapper/311:10:183
111391220,0ptp4l0-21swapper/310:17:493
111391220,0ptp4l0-21swapper/211:42:582
111391220,0ptp4l0-21swapper/211:09:322
111391220,0ptp4l0-21swapper/208:00:162
111391220,0ptp4l0-21swapper/207:23:542
111391220,0ptp4l0-21swapper/112:25:141
111391220,0ptp4l0-21swapper/112:22:411
111391220,0ptp4l0-21swapper/112:22:401
111391220,0ptp4l0-21swapper/111:50:131
111391220,0ptp4l0-21swapper/111:30:031
111391220,0ptp4l0-21swapper/111:21:351
111391220,0ptp4l0-21swapper/111:17:591
111391220,0ptp4l0-21swapper/110:40:071
111391220,0ptp4l0-21swapper/110:18:361
111391220,0ptp4l0-21swapper/110:04:421
111391220,0ptp4l0-21swapper/108:50:171
111391220,0ptp4l0-21swapper/108:45:181
111391220,0ptp4l0-21swapper/108:15:191
111391220,0ptp4l0-21swapper/012:10:180
111391220,0ptp4l0-21swapper/012:06:440
111391220,0ptp4l0-21swapper/012:00:130
111391220,0ptp4l0-21swapper/011:15:160
111391220,0ptp4l0-21swapper/010:55:110
111391220,0ptp4l0-21swapper/010:43:280
111391220,0ptp4l0-21swapper/010:20:370
111391220,0ptp4l0-21swapper/010:15:150
111391220,0ptp4l0-21swapper/009:45:310
111391220,0ptp4l0-21swapper/009:30:010
111391220,0ptp4l0-21swapper/009:20:140
111391220,0ptp4l0-21swapper/009:10:360
111391220,0ptp4l0-21swapper/009:05:150
111391220,0ptp4l0-21swapper/009:00:170
111391220,0ptp4l0-21swapper/008:50:200
111391220,0ptp4l0-21swapper/008:45:150
111391220,0ptp4l0-21swapper/008:25:150
111391220,0ptp4l0-21swapper/007:55:110
111391220,0ptp4l0-21swapper/007:50:150
111391220,0ptp4l0-21swapper/007:45:090
111391220,0ptp4l0-21swapper/007:35:160
111391220,0ptp4l0-21swapper/007:30:140
111391220,0ptp4l0-21swapper/007:25:190
111391210,0ptp4l0-21swapper/710:12:117
111391210,0ptp4l0-21swapper/709:05:017
111391210,0ptp4l0-21swapper/612:12:116
111391210,0ptp4l0-21swapper/611:06:596
111391210,0ptp4l0-21swapper/610:32:286
111391210,0ptp4l0-21swapper/610:20:216
111391210,0ptp4l0-21swapper/610:16:346
111391210,0ptp4l0-21swapper/609:37:486
111391210,0ptp4l0-21swapper/512:10:185
111391210,0ptp4l0-21swapper/511:37:525
111391210,0ptp4l0-21swapper/509:30:005
111391210,0ptp4l0-21swapper/508:34:355
111391210,0ptp4l0-21swapper/408:10:324
111391210,0ptp4l0-21swapper/407:50:144
111391210,0ptp4l0-21swapper/407:10:184
111391210,0ptp4l0-21swapper/407:10:184
111391210,0ptp4l0-21swapper/312:11:373
111391210,0ptp4l0-21swapper/311:20:453
111391210,0ptp4l0-21swapper/310:25:503
111391210,0ptp4l0-21swapper/310:11:573
111391210,0ptp4l0-21swapper/211:39:002
111391210,0ptp4l0-21swapper/210:22:442
111391210,0ptp4l0-21swapper/210:16:352
111391210,0ptp4l0-21swapper/111:05:221
111391210,0ptp4l0-21swapper/110:11:371
111391210,0ptp4l0-21swapper/107:30:011
111391210,0ptp4l0-21swapper/010:30:390
111391210,0ptp4l0-21swapper/008:45:000
111391210,0ptp4l0-21swapper/007:40:170
111391200,0ptp4l0-21swapper/709:04:367
111391200,0ptp4l0-21swapper/707:42:117
111391200,0ptp4l0-21swapper/609:33:476
111391200,0ptp4l0-21swapper/607:31:126
111391200,0ptp4l0-21swapper/509:06:365
111391200,0ptp4l0-21swapper/507:34:125
111391200,0ptp4l0-21swapper/507:19:115
111391200,0ptp4l0-21swapper/408:57:124
111391200,0ptp4l0-21swapper/408:04:314
111391200,0ptp4l0-21swapper/210:32:242
111391200,0ptp4l0-21swapper/209:37:492
111391200,0ptp4l0-21swapper/108:14:121
111391200,0ptp4l0-21swapper/107:51:221
111391200,0ptp4l0-21swapper/107:40:151
111391190,0ptp4l0-21swapper/712:11:427
111391190,0ptp4l0-21swapper/708:09:327
111391190,0ptp4l0-21swapper/612:37:116
111391190,0ptp4l0-21swapper/612:29:346
111391190,0ptp4l0-21swapper/610:57:546
111391190,0ptp4l0-21swapper/610:54:006
111391190,0ptp4l0-21swapper/508:38:355
111391190,0ptp4l0-21swapper/408:44:184
111391190,0ptp4l0-21swapper/212:37:122
111391190,0ptp4l0-21swapper/212:04:332
111391190,0ptp4l0-21swapper/211:32:222
111391190,0ptp4l0-21swapper/110:56:181
111391190,0ptp4l0-21swapper/008:59:480
111391190,0ptp4l0-21swapper/008:02:110
111391180,0ptp4l0-21swapper/710:49:497
111391180,0ptp4l0-21swapper/611:29:086
111391180,0ptp4l0-21swapper/609:13:386
111391180,0ptp4l0-21swapper/508:29:315
111391180,0ptp4l0-21swapper/211:02:392
111391180,0ptp4l0-21swapper/210:57:552
111391180,0ptp4l0-21swapper/210:41:532
111391180,0ptp4l0-21swapper/209:44:122
111391180,0ptp4l0-21swapper/107:10:141
111391180,0ptp4l0-21swapper/107:10:131
9333991714,1cyclictest31405-21munin-run11:19:597
111391170,0ptp4l32398-21diskmemload12:05:476
111391170,0ptp4l0-21swapper/709:45:257
111391170,0ptp4l0-21swapper/611:02:396
111391170,0ptp4l0-21swapper/212:27:012
111391170,0ptp4l0-21swapper/211:48:242
930499160,1cyclictest0-21swapper/311:45:123
281142160,0sleep60-21swapper/607:50:006
111391160,0ptp4l0-21swapper/710:17:507
111391160,0ptp4l0-21swapper/612:04:346
111391160,0ptp4l0-21swapper/609:47:296
111391160,0ptp4l0-21swapper/310:49:483
111391160,0ptp4l0-21swapper/308:08:043
111391160,0ptp4l0-21swapper/210:00:402
111391160,0ptp4l0-21swapper/108:38:241
111391160,0ptp4l0-21swapper/108:27:441
111391160,0ptp4l0-21swapper/107:57:501
111391160,0ptp4l0-21swapper/008:13:580
9304991513,1cyclictest0-21swapper/312:15:083
111391150,0ptp4l0-21swapper/707:30:567
111391150,0ptp4l0-21swapper/610:13:526
111391150,0ptp4l0-21swapper/609:08:166
111391150,0ptp4l0-21swapper/608:53:286
111391150,0ptp4l0-21swapper/608:42:366
111391150,0ptp4l0-21swapper/608:27:596
111391150,0ptp4l0-21swapper/608:21:406
111391150,0ptp4l0-21swapper/607:54:486
111391150,0ptp4l0-21swapper/607:23:446
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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