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2026-03-10 - 16:44

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 Tue Mar 10, 2026 12:46:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257822680,0sleep10-21swapper/111:50:001
111391680,2ptp4l0-21swapper/107:07:411
111391610,5ptp4l0-21swapper/507:07:085
1539125949,6sleep70-21swapper/707:06:427
111391590,28ptp4l0-21swapper/007:09:580
76072580,0sleep40-21swapper/408:00:134
263442580,0sleep20-21swapper/210:20:132
289562570,0sleep30-21swapper/309:40:003
1559125533,7sleep30-21swapper/307:09:183
1556325342,7sleep20-21swapper/207:08:542
1373724938,6sleep40-21swapper/407:05:044
1373924837,6sleep60-21swapper/607:05:066
111391320,0ptp4l0-21swapper/508:25:205
111391320,0ptp4l0-21swapper/011:15:190
111391310,0ptp4l0-21swapper/409:54:234
111391310,0ptp4l0-21swapper/010:52:180
111391310,0ptp4l0-21swapper/010:15:150
111391300,0ptp4l0-21swapper/512:17:405
111391300,0ptp4l0-21swapper/409:22:174
111391300,0ptp4l0-21swapper/111:00:171
111391300,0ptp4l0-21swapper/108:55:141
111391300,0ptp4l0-21swapper/012:03:580
111391300,0ptp4l0-21swapper/009:05:140
111391290,3ptp4l0-21swapper/112:19:361
111391290,3ptp4l0-21swapper/110:29:161
111391290,0ptp4l0-21swapper/411:52:334
111391290,0ptp4l0-21swapper/411:42:454
111391290,0ptp4l0-21swapper/410:33:244
111391290,0ptp4l0-21swapper/410:01:344
111391290,0ptp4l0-21swapper/112:04:521
111391290,0ptp4l0-21swapper/110:46:261
111391290,0ptp4l0-21swapper/011:38:130
111391280,4ptp4l23213-21latency_hist07:25:014
111391280,0ptp4l0-21swapper/511:55:115
111391280,0ptp4l0-21swapper/510:23:425
111391280,0ptp4l0-21swapper/411:21:294
111391280,0ptp4l0-21swapper/409:16:594
111391280,0ptp4l0-21swapper/110:44:371
111391280,0ptp4l0-21swapper/011:56:370
111391280,0ptp4l0-21swapper/011:25:120
111391280,0ptp4l0-21swapper/009:25:430
111391280,0ptp4l0-21swapper/009:23:320
111391270,1ptp4l22944-21/usr/sbin/munin09:30:171
111391270,0ptp4l0-21swapper/712:08:197
111391270,0ptp4l0-21swapper/512:03:265
111391270,0ptp4l0-21swapper/507:15:215
111391270,0ptp4l0-21swapper/412:39:094
111391270,0ptp4l0-21swapper/412:01:054
111391270,0ptp4l0-21swapper/410:57:154
111391270,0ptp4l0-21swapper/410:48:444
111391270,0ptp4l0-21swapper/410:35:424
111391270,0ptp4l0-21swapper/409:27:464
111391270,0ptp4l0-21swapper/409:13:284
111391270,0ptp4l0-21swapper/111:28:391
111391270,0ptp4l0-21swapper/111:06:341
111391270,0ptp4l0-21swapper/012:06:330
111391270,0ptp4l0-21swapper/011:45:220
111391270,0ptp4l0-21swapper/009:37:500
111391260,3ptp4l0-21swapper/109:49:451
111391260,3ptp4l0-21swapper/010:44:340
111391260,2ptp4l0-21swapper/109:22:471
111391260,1ptp4l8808-21/usr/sbin/munin09:55:184
111391260,1ptp4l29851-21munin-run08:49:594
111391260,1ptp4l0-21swapper/011:20:500
111391260,0ptp4l0-21swapper/611:35:046
111391260,0ptp4l0-21swapper/511:28:545
111391260,0ptp4l0-21swapper/412:10:204
111391260,0ptp4l0-21swapper/411:48:574
111391260,0ptp4l0-21swapper/411:15:464
111391260,0ptp4l0-21swapper/411:14:134
111391260,0ptp4l0-21swapper/407:55:114
111391260,0ptp4l0-21swapper/312:13:503
111391260,0ptp4l0-21swapper/209:12:182
111391260,0ptp4l0-21swapper/111:58:481
111391260,0ptp4l0-21swapper/111:40:311
111391260,0ptp4l0-21swapper/110:17:401
111391260,0ptp4l0-21swapper/010:45:400
111391260,0ptp4l0-21swapper/010:14:430
111391260,0ptp4l0-21swapper/009:52:500
111391250,2ptp4l101ktimersoftd/008:50:190
111391250,1ptp4l23081-21memory11:00:165
111391250,1ptp4l1-21systemd11:55:004
111391250,0ptp4l0-21swapper/710:12:317
111391250,0ptp4l0-21swapper/709:51:577
111391250,0ptp4l0-21swapper/512:35:205
111391250,0ptp4l0-21swapper/512:34:455
111391250,0ptp4l0-21swapper/510:48:195
111391250,0ptp4l0-21swapper/412:30:574
111391250,0ptp4l0-21swapper/412:29:544
111391250,0ptp4l0-21swapper/412:21:234
111391250,0ptp4l0-21swapper/412:05:384
111391250,0ptp4l0-21swapper/411:03:064
111391250,0ptp4l0-21swapper/410:21:444
111391250,0ptp4l0-21swapper/409:44:104
111391250,0ptp4l0-21swapper/409:33:384
111391250,0ptp4l0-21swapper/407:25:204
111391250,0ptp4l0-21swapper/407:25:194
111391250,0ptp4l0-21swapper/311:16:393
111391250,0ptp4l0-21swapper/309:49:163
111391250,0ptp4l0-21swapper/309:16:313
111391250,0ptp4l0-21swapper/112:20:591
111391250,0ptp4l0-21swapper/111:22:221
111391250,0ptp4l0-21swapper/110:35:131
111391250,0ptp4l0-21swapper/109:40:121
111391250,0ptp4l0-21swapper/009:58:480
111391250,0ptp4l0-21swapper/009:43:470
111391250,0ptp4l0-21swapper/009:33:370
111391250,0ptp4l0-21swapper/008:40:150
111391240,1ptp4l9704-21/usr/sbin/munin12:10:190
111391240,1ptp4l7114-21/usr/sbin/munin09:10:141
111391240,1ptp4l5146-21if_enp0s2509:05:134
111391240,1ptp4l25888-21/usr/sbin/munin07:30:170
111391240,1ptp4l23633-21fw_conntrack08:35:135
111391240,1ptp4l16764-21irqstats07:10:154
111391240,1ptp4l12150-21df_inode08:10:114
111391240,0ptp4l0-21swapper/712:37:327
111391240,0ptp4l0-21swapper/709:47:597
111391240,0ptp4l0-21swapper/709:16:247
111391240,0ptp4l0-21swapper/511:40:355
111391240,0ptp4l0-21swapper/511:09:005
111391240,0ptp4l0-21swapper/510:02:345
111391240,0ptp4l0-21swapper/509:30:005
111391240,0ptp4l0-21swapper/508:55:165
111391240,0ptp4l0-21swapper/508:20:025
111391240,0ptp4l0-21swapper/411:35:214
111391240,0ptp4l0-21swapper/411:25:374
111391240,0ptp4l0-21swapper/410:11:234
111391240,0ptp4l0-21swapper/408:40:154
111391240,0ptp4l0-21swapper/312:37:193
111391240,0ptp4l0-21swapper/110:34:331
111391240,0ptp4l0-21swapper/110:06:311
111391240,0ptp4l0-21swapper/110:06:311
111391240,0ptp4l0-21swapper/107:45:161
111391240,0ptp4l0-21swapper/107:15:161
111391240,0ptp4l0-21swapper/012:34:330
111391240,0ptp4l0-21swapper/012:21:050
111391240,0ptp4l0-21swapper/011:54:150
111391240,0ptp4l0-21swapper/010:20:120
111391240,0ptp4l0-21swapper/009:50:000
111391240,0ptp4l0-21swapper/007:20:120
111391230,1ptp4l6359-21ssh10:36:430
111391230,1ptp4l28866-21nfs4_client08:45:180
111391230,1ptp4l27197-21taskset09:35:244
111391230,1ptp4l21418-21sh11:42:440
111391230,1ptp4l20028-21netstat12:25:150
111391230,1ptp4l17801-21timerwakeupswit08:20:194
111391230,0ptp4l346-21ssh09:45:094
111391230,0ptp4l3296-21ssh11:18:031
111391230,0ptp4l0-21swapper/712:13:447
111391230,0ptp4l0-21swapper/710:09:197
111391230,0ptp4l0-21swapper/710:09:187
111391230,0ptp4l0-21swapper/512:12:185
111391230,0ptp4l0-21swapper/512:05:195
111391230,0ptp4l0-21swapper/511:22:325
111391230,0ptp4l0-21swapper/511:10:155
111391230,0ptp4l0-21swapper/510:55:175
111391230,0ptp4l0-21swapper/510:40:125
111391230,0ptp4l0-21swapper/510:35:155
111391230,0ptp4l0-21swapper/510:30:445
111391230,0ptp4l0-21swapper/510:29:265
111391230,0ptp4l0-21swapper/510:10:145
111391230,0ptp4l0-21swapper/510:05:155
111391230,0ptp4l0-21swapper/510:05:155
111391230,0ptp4l0-21swapper/509:38:075
111391230,0ptp4l0-21swapper/509:30:135
111391230,0ptp4l0-21swapper/509:15:165
111391230,0ptp4l0-21swapper/508:40:105
111391230,0ptp4l0-21swapper/507:59:165
111391230,0ptp4l0-21swapper/507:45:205
111391230,0ptp4l0-21swapper/412:15:124
111391230,0ptp4l0-21swapper/411:30:194
111391230,0ptp4l0-21swapper/411:05:124
111391230,0ptp4l0-21swapper/410:50:154
111391230,0ptp4l0-21swapper/410:44:254
111391230,0ptp4l0-21swapper/410:25:154
111391230,0ptp4l0-21swapper/409:00:114
111391230,0ptp4l0-21swapper/408:50:184
111391230,0ptp4l0-21swapper/408:35:214
111391230,0ptp4l0-21swapper/408:30:124
111391230,0ptp4l0-21swapper/408:15:124
111391230,0ptp4l0-21swapper/408:05:134
111391230,0ptp4l0-21swapper/407:50:164
111391230,0ptp4l0-21swapper/407:40:124
111391230,0ptp4l0-21swapper/407:30:134
111391230,0ptp4l0-21swapper/309:51:443
111391230,0ptp4l0-21swapper/211:35:082
111391230,0ptp4l0-21swapper/112:35:151
111391230,0ptp4l0-21swapper/112:35:001
111391230,0ptp4l0-21swapper/111:10:131
111391230,0ptp4l0-21swapper/110:55:121
111391230,0ptp4l0-21swapper/110:50:191
111391230,0ptp4l0-21swapper/110:23:231
111391230,0ptp4l0-21swapper/110:10:121
111391230,0ptp4l0-21swapper/109:29:241
111391230,0ptp4l0-21swapper/109:15:161
111391230,0ptp4l0-21swapper/107:40:091
111391230,0ptp4l0-21swapper/012:35:130
111391230,0ptp4l0-21swapper/012:15:130
111391230,0ptp4l0-21swapper/011:12:450
111391230,0ptp4l0-21swapper/011:05:190
111391230,0ptp4l0-21swapper/010:55:210
111391230,0ptp4l0-21swapper/010:05:580
111391230,0ptp4l0-21swapper/010:05:580
111391230,0ptp4l0-21swapper/010:00:190
111391230,0ptp4l0-21swapper/009:15:110
111391230,0ptp4l0-21swapper/009:10:200
111391230,0ptp4l0-21swapper/009:00:170
111391230,0ptp4l0-21swapper/008:35:190
111391230,0ptp4l0-21swapper/008:15:150
111391230,0ptp4l0-21swapper/008:10:110
111391230,0ptp4l0-21swapper/008:05:140
111391230,0ptp4l0-21swapper/007:50:110
111391230,0ptp4l0-21swapper/007:45:130
111391230,0ptp4l0-21swapper/007:40:140
111391230,0ptp4l0-21swapper/007:25:130
111391230,0ptp4l0-21swapper/007:25:130
15948992220,1cyclictest16103-21turbostat08:20:016
111391220,1ptp4l16328-21sed08:20:011
111391220,0ptp4l0-21swapper/710:24:397
111391220,0ptp4l0-21swapper/611:14:196
111391220,0ptp4l0-21swapper/610:20:496
111391220,0ptp4l0-21swapper/512:20:125
111391220,0ptp4l0-21swapper/511:36:275
111391220,0ptp4l0-21swapper/510:50:545
111391220,0ptp4l0-21swapper/510:16:455
111391220,0ptp4l0-21swapper/509:56:405
111391220,0ptp4l0-21swapper/509:53:315
111391220,0ptp4l0-21swapper/509:40:135
111391220,0ptp4l0-21swapper/509:10:145
111391220,0ptp4l0-21swapper/508:53:525
111391220,0ptp4l0-21swapper/508:14:325
111391220,0ptp4l0-21swapper/507:35:175
111391220,0ptp4l0-21swapper/410:15:144
111391220,0ptp4l0-21swapper/410:07:144
111391220,0ptp4l0-21swapper/410:07:144
111391220,0ptp4l0-21swapper/310:08:453
111391220,0ptp4l0-21swapper/310:08:453
111391220,0ptp4l0-21swapper/210:37:282
111391220,0ptp4l0-21swapper/208:49:192
111391220,0ptp4l0-21swapper/112:25:291
111391220,0ptp4l0-21swapper/112:05:211
111391220,0ptp4l0-21swapper/111:50:481
111391220,0ptp4l0-21swapper/111:39:001
111391220,0ptp4l0-21swapper/111:33:461
111391220,0ptp4l0-21swapper/110:00:011
111391220,0ptp4l0-21swapper/108:53:011
111391220,0ptp4l0-21swapper/108:35:131
111391220,0ptp4l0-21swapper/108:34:451
111391220,0ptp4l0-21swapper/108:25:151
111391220,0ptp4l0-21swapper/108:00:121
111391220,0ptp4l0-21swapper/107:35:131
111391220,0ptp4l0-21swapper/107:14:391
111391220,0ptp4l0-21swapper/011:31:120
111391220,0ptp4l0-21swapper/011:00:380
111391220,0ptp4l0-21swapper/010:30:140
111391220,0ptp4l0-21swapper/010:25:040
111391220,0ptp4l0-21swapper/008:59:470
111391220,0ptp4l0-21swapper/008:30:130
111391220,0ptp4l0-21swapper/008:20:140
111391220,0ptp4l0-21swapper/007:10:110
111391210,0ptp4l0-21swapper/711:17:127
111391210,0ptp4l0-21swapper/612:13:236
111391210,0ptp4l0-21swapper/610:57:016
111391210,0ptp4l0-21swapper/609:29:396
111391210,0ptp4l0-21swapper/609:12:126
111391210,0ptp4l0-21swapper/512:29:005
111391210,0ptp4l0-21swapper/511:50:505
111391210,0ptp4l0-21swapper/511:45:565
111391210,0ptp4l0-21swapper/511:33:565
111391210,0ptp4l0-21swapper/511:16:365
111391210,0ptp4l0-21swapper/509:23:345
111391210,0ptp4l0-21swapper/508:33:325
111391210,0ptp4l0-21swapper/508:05:005
111391210,0ptp4l0-21swapper/507:40:015
111391210,0ptp4l0-21swapper/408:58:184
111391210,0ptp4l0-21swapper/407:35:424
111391210,0ptp4l0-21swapper/312:08:213
111391210,0ptp4l0-21swapper/310:26:583
111391210,0ptp4l0-21swapper/310:24:403
111391210,0ptp4l0-21swapper/310:12:223
111391210,0ptp4l0-21swapper/212:13:252
111391210,0ptp4l0-21swapper/211:50:172
111391210,0ptp4l0-21swapper/208:41:092
111391210,0ptp4l0-21swapper/109:57:181
111391210,0ptp4l0-21swapper/109:53:051
111391210,0ptp4l0-21swapper/108:24:501
111391210,0ptp4l0-21swapper/108:14:421
111391210,0ptp4l0-21swapper/107:55:181
111391210,0ptp4l0-21swapper/107:27:411
111391210,0ptp4l0-21swapper/107:27:401
111391200,2ptp4l0-21swapper/107:23:371
111391200,0ptp4l0-21swapper/710:26:487
111391200,0ptp4l0-21swapper/707:24:187
111391200,0ptp4l0-21swapper/611:34:576
111391200,0ptp4l0-21swapper/610:34:556
111391200,0ptp4l0-21swapper/509:03:055
111391200,0ptp4l0-21swapper/507:33:345
111391200,0ptp4l0-21swapper/507:27:185
111391200,0ptp4l0-21swapper/507:27:185
111391200,0ptp4l0-21swapper/507:21:185
111391200,0ptp4l0-21swapper/407:19:174
111391200,0ptp4l0-21swapper/307:24:383
111391200,0ptp4l0-21swapper/212:08:562
111391200,0ptp4l0-21swapper/209:19:052
111391200,0ptp4l0-21swapper/112:12:151
111391200,0ptp4l0-21swapper/109:37:401
111391200,0ptp4l0-21swapper/108:40:121
111391200,0ptp4l0-21swapper/108:08:421
111391200,0ptp4l0-21swapper/008:00:170
111391200,0ptp4l0-21swapper/007:19:410
111391190,0ptp4l0-21swapper/709:04:197
111391190,0ptp4l0-21swapper/611:07:426
111391190,0ptp4l0-21swapper/610:16:526
111391190,0ptp4l0-21swapper/609:46:516
111391190,0ptp4l0-21swapper/609:19:036
111391190,0ptp4l0-21swapper/608:49:436
111391190,0ptp4l0-21swapper/312:26:073
111391190,0ptp4l0-21swapper/211:14:182
111391190,0ptp4l0-21swapper/209:27:112
111391190,0ptp4l0-21swapper/109:03:471
111391190,0ptp4l0-21swapper/107:52:031
111391190,0ptp4l0-21swapper/008:27:100
111391190,0ptp4l0-21swapper/007:55:540
111391190,0ptp4l0-21swapper/007:35:240
79202180,0sleep77922-21cpuspeed_turbos09:55:107
6062180,0sleep70-21swapper/711:59:517
111391180,0ptp4l0-21swapper/508:08:415
111391180,0ptp4l0-21swapper/309:04:433
111391180,0ptp4l0-21swapper/210:56:592
111391180,0ptp4l0-21swapper/209:46:492
111391180,0ptp4l0-21swapper/107:34:241
111391170,0ptp4l0-21swapper/712:26:057
111391170,0ptp4l0-21swapper/612:08:526
111391170,0ptp4l0-21swapper/607:12:066
111391170,0ptp4l0-21swapper/508:17:435
111391160,1ptp4l3840-21taskset10:34:572
111391160,0ptp4l0-21swapper/609:09:306
111391160,0ptp4l0-21swapper/509:49:445
111391160,0ptp4l0-21swapper/507:52:145
111391160,0ptp4l0-21swapper/407:48:484
111391160,0ptp4l0-21swapper/212:03:532
111391160,0ptp4l0-21swapper/109:05:521
111391160,0ptp4l0-21swapper/108:46:451
111391150,1ptp4l0-21swapper/408:25:234
111391150,0ptp4l0-21swapper/708:46:127
111391150,0ptp4l0-21swapper/708:02:387
111391150,0ptp4l0-21swapper/707:15:317
111391150,0ptp4l0-21swapper/612:03:546
111391150,0ptp4l0-21swapper/610:37:276
111391150,0ptp4l0-21swapper/608:55:486
111391150,0ptp4l0-21swapper/608:41:116
111391150,0ptp4l0-21swapper/607:50:416
111391150,0ptp4l0-21swapper/607:47:046
111391150,0ptp4l0-21swapper/508:48:075
111391150,0ptp4l0-21swapper/507:12:235
111391150,0ptp4l0-21swapper/308:46:153
111391150,0ptp4l0-21swapper/308:02:303
111391150,0ptp4l0-21swapper/307:15:303
111391150,0ptp4l0-21swapper/211:34:562
111391150,0ptp4l0-21swapper/211:07:422
111391150,0ptp4l0-21swapper/210:10:092
111391150,0ptp4l0-21swapper/209:09:192
111391150,0ptp4l0-21swapper/209:02:132
111391150,0ptp4l0-21swapper/208:15:342
111391150,0ptp4l0-21swapper/208:07:482
111391150,0ptp4l0-21swapper/207:46:582
15948991412,1cyclictest0-21swapper/609:00:156
111391140,0ptp4l0-21swapper/608:07:476
111391140,0ptp4l0-21swapper/208:55:482
111391140,0ptp4l0-21swapper/207:50:392
111391140,0ptp4l0-21swapper/207:12:052
1594899130,11cyclictest29790-21hddtemp_smartct10:25:136
1594099120,0cyclictest0-21swapper/509:08:475
1592899120,1cyclictest0-21swapper/312:00:123
1595499110,10cyclictest0-21swapper/709:35:187
1595499100,9cyclictest0-21swapper/711:28:187
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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