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2026-01-07 - 13:01

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, slot #6

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 highest latencies:
System rack8slot6s.osadl.org (updated Wed Jan 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14173991918,1cyclictest65850irq/126-lan19:40:230
14173991818,0cyclictest65850irq/126-lan22:15:140
14173991817,1cyclictest65850irq/126-lan23:55:120
14173991817,1cyclictest65850irq/126-lan23:50:120
14173991817,1cyclictest65850irq/126-lan23:20:140
14173991817,1cyclictest65850irq/126-lan22:30:190
14173991817,1cyclictest65850irq/126-lan21:30:170
14173991817,1cyclictest65850irq/126-lan21:20:180
14173991817,1cyclictest65850irq/126-lan20:30:140
14173991717,0cyclictest65850irq/126-lan23:36:420
14173991717,0cyclictest65850irq/126-lan23:30:170
14173991717,0cyclictest65850irq/126-lan21:11:240
14173991717,0cyclictest65850irq/126-lan21:07:370
14173991717,0cyclictest65850irq/126-lan21:00:160
14173991717,0cyclictest65850irq/126-lan20:00:010
14173991717,0cyclictest65850irq/126-lan19:10:170
14173991716,1cyclictest65850irq/126-lan22:20:160
14173991716,1cyclictest65850irq/126-lan22:00:160
14173991716,1cyclictest65850irq/126-lan21:55:180
14173991716,1cyclictest65850irq/126-lan21:40:210
14173991716,1cyclictest65850irq/126-lan19:15:160
14173991716,1cyclictest65850irq/126-lan00:35:170
14173991716,1cyclictest65850irq/126-lan00:20:130
14173991616,0cyclictest65850irq/126-lan23:12:210
14173991616,0cyclictest65850irq/126-lan21:53:450
14173991616,0cyclictest65850irq/126-lan20:15:180
14173991616,0cyclictest65850irq/126-lan20:10:020
14173991616,0cyclictest65850irq/126-lan20:00:130
14173991615,1cyclictest65850irq/126-lan23:40:120
14173991615,1cyclictest65850irq/126-lan23:05:200
14173991615,1cyclictest65850irq/126-lan22:46:080
14173991615,1cyclictest65850irq/126-lan21:35:120
14173991615,1cyclictest65850irq/126-lan20:40:120
14173991615,1cyclictest65850irq/126-lan19:20:150
14173991615,1cyclictest65850irq/126-lan00:15:210
14173991615,1cyclictest65850irq/126-lan00:00:120
14173991515,0cyclictest65850irq/126-lan22:26:110
14173991515,0cyclictest65850irq/126-lan00:05:130
14173991514,1cyclictest65850irq/126-lan23:25:170
14173991514,1cyclictest65850irq/126-lan22:55:170
14173991514,1cyclictest65850irq/126-lan21:45:170
14173991514,1cyclictest65850irq/126-lan20:35:160
14173991514,1cyclictest65850irq/126-lan20:35:150
14173991514,1cyclictest65850irq/126-lan19:30:150
14173991414,0cyclictest65850irq/126-lan23:15:170
14173991414,0cyclictest65850irq/126-lan19:49:380
14173991414,0cyclictest65850irq/126-lan00:25:160
14173991413,1cyclictest65850irq/126-lan22:40:130
14173991413,1cyclictest65850irq/126-lan22:05:180
14173991413,1cyclictest65850irq/126-lan20:50:120
14173991413,1cyclictest65850irq/126-lan20:20:010
14173991413,1cyclictest65850irq/126-lan19:25:190
14173991313,0cyclictest65850irq/126-lan23:00:210
14173991312,1cyclictest65850irq/126-lan21:25:150
14173991312,1cyclictest65850irq/126-lan20:45:150
14173991312,1cyclictest65850irq/126-lan20:25:130
14173991312,1cyclictest65850irq/126-lan00:10:130
14173991212,0cyclictest65850irq/126-lan20:55:180
14173991212,0cyclictest65850irq/126-lan20:05:170
14173991212,0cyclictest65850irq/126-lan00:30:200
14173991211,1cyclictest65850irq/126-lan23:45:160
14173991211,1cyclictest65850irq/126-lan22:50:170
14173991211,1cyclictest65850irq/126-lan22:35:150
14173991211,1cyclictest65850irq/126-lan19:50:160
14173991211,1cyclictest65850irq/126-lan19:35:150
14173991111,0cyclictest65850irq/126-lan22:12:370
14178991010,0cyclictest743-21snmpd19:22:261
141859998,1cyclictest743-21snmpd21:57:163
141859998,1cyclictest743-21snmpd21:03:093
141859998,1cyclictest522-21avahi-daemon19:25:263
141829996,3cyclictest743-21snmpd21:30:342
141789998,1cyclictest743-21snmpd22:24:441
141789998,1cyclictest743-21snmpd21:59:411
141789998,1cyclictest743-21snmpd19:12:381
141789998,1cyclictest743-21snmpd00:10:331
141789998,1cyclictest741-21lldpd22:32:321
141789998,1cyclictest741-21lldpd21:44:571
141859988,0cyclictest743-21snmpd22:52:513
141859988,0cyclictest743-21snmpd21:44:103
141859988,0cyclictest743-21snmpd00:35:163
141859988,0cyclictest741-21lldpd22:18:123
141859988,0cyclictest741-21lldpd00:34:213
141859987,1cyclictest743-21snmpd23:23:433
141859987,1cyclictest743-21snmpd21:32:433
141859987,1cyclictest741-21lldpd21:24:173
141859987,1cyclictest741-21lldpd20:26:103
141859987,1cyclictest522-21avahi-daemon21:10:043
141859986,2cyclictest743-21snmpd22:02:173
141859986,2cyclictest743-21snmpd19:47:543
141859986,2cyclictest743-21snmpd19:14:203
141829988,0cyclictest743-21snmpd19:20:152
141829987,1cyclictest743-21snmpd21:18:092
141829987,1cyclictest743-21snmpd19:42:152
141829987,1cyclictest743-21snmpd19:35:242
141829987,1cyclictest741-21lldpd20:47:182
141829986,2cyclictest743-21snmpd20:52:392
141789988,0cyclictest743-21snmpd22:47:241
141789988,0cyclictest743-21snmpd21:33:071
141789988,0cyclictest743-21snmpd21:26:251
141789988,0cyclictest743-21snmpd20:42:141
141789988,0cyclictest741-21lldpd20:11:201
141789987,1cyclictest743-21snmpd22:10:561
141789987,1cyclictest743-21snmpd19:41:481
141789987,1cyclictest741-21lldpd22:25:101
141789987,1cyclictest741-21lldpd21:47:451
141789986,2cyclictest743-21snmpd21:00:511
141789986,2cyclictest743-21snmpd20:31:261
141789986,2cyclictest743-21snmpd19:31:181
141789986,2cyclictest743-21snmpd00:02:541
141789985,3cyclictest743-21snmpd19:35:021
141739988,0cyclictest65850irq/126-lan21:15:200
141859977,0cyclictest743-21snmpd22:28:443
141859977,0cyclictest741-21lldpd23:33:453
141859977,0cyclictest741-21lldpd23:29:483
141859977,0cyclictest741-21lldpd19:53:253
141859976,1cyclictest743-21snmpd23:07:343
141859976,1cyclictest743-21snmpd20:48:173
141859976,1cyclictest743-21snmpd20:22:313
141859976,1cyclictest743-21snmpd19:40:423
141859976,1cyclictest741-21lldpd00:17:493
141859975,2cyclictest743-21snmpd23:13:043
141859975,2cyclictest743-21snmpd22:30:083
141859975,2cyclictest743-21snmpd21:37:193
141859975,2cyclictest743-21snmpd21:17:333
141859975,2cyclictest743-21snmpd21:05:243
141859975,2cyclictest743-21snmpd19:37:513
141859973,3cyclictest1869-21diskstats23:55:133
141829977,0cyclictest741-21lldpd23:00:342
141829977,0cyclictest741-21lldpd21:11:112
141829977,0cyclictest741-21lldpd20:25:242
141829977,0cyclictest741-21lldpd19:11:172
141829977,0cyclictest741-21lldpd00:25:372
141829977,0cyclictest741-21lldpd00:16:052
141829976,1cyclictest743-21snmpd22:16:022
141829976,1cyclictest743-21snmpd22:00:172
141829976,1cyclictest741-21lldpd21:25:232
141829976,1cyclictest22712-21ntp_kernel_err23:25:162
141829975,2cyclictest743-21snmpd23:20:072
141829975,2cyclictest743-21snmpd22:21:412
141829975,2cyclictest743-21snmpd20:43:172
141829975,2cyclictest743-21snmpd19:15:292
141829972,5cyclictest557-21NetworkManager20:31:052
141789977,0cyclictest743-21snmpd22:01:321
141789977,0cyclictest743-21snmpd20:51:381
141789977,0cyclictest741-21lldpd23:40:511
141789977,0cyclictest741-21lldpd22:35:521
141789977,0cyclictest741-21lldpd22:17:581
141789977,0cyclictest741-21lldpd20:21:001
141789977,0cyclictest741-21lldpd19:29:131
141789976,1cyclictest743-21snmpd22:43:031
141789976,1cyclictest743-21snmpd20:29:591
141789976,1cyclictest743-21snmpd20:03:581
141789976,1cyclictest743-21snmpd19:57:401
141789976,1cyclictest743-21snmpd00:33:161
141789976,1cyclictest741-21lldpd00:36:271
141789976,1cyclictest741-21lldpd00:29:091
141789976,1cyclictest522-21avahi-daemon23:54:401
141789976,1cyclictest522-21avahi-daemon22:59:371
141789976,1cyclictest506-21systemd-resolve20:49:371
141789976,1cyclictest20051-21cpuspeed_turbos23:20:131
141789975,2cyclictest743-21snmpd23:29:171
141789975,2cyclictest743-21snmpd23:05:581
141789975,2cyclictest743-21snmpd22:54:241
141789975,2cyclictest743-21snmpd21:24:191
141859966,0cyclictest743-21snmpd21:51:373
141859966,0cyclictest743-21snmpd21:48:223
141859965,1cyclictest741-21lldpd22:36:583
141859965,1cyclictest522-21avahi-daemon20:58:353
141859965,1cyclictest522-21avahi-daemon20:10:113
141859964,2cyclictest743-21snmpd20:17:103
141859963,2cyclictest244-20systemd-journal19:15:183
141859962,3cyclictest6057-21cut22:45:133
141829966,0cyclictest743-21snmpd22:44:152
141829966,0cyclictest743-21snmpd20:01:582
141829966,0cyclictest741-21lldpd23:41:332
141829966,0cyclictest741-21lldpd23:33:012
141829966,0cyclictest741-21lldpd23:09:182
141829966,0cyclictest741-21lldpd21:42:272
141829966,0cyclictest741-21lldpd20:15:482
141829966,0cyclictest741-21lldpd00:12:472
141829966,0cyclictest741-21lldpd00:07:592
141829965,1cyclictest9130-21gpgconf20:15:012
141829965,1cyclictest743-21snmpd23:35:292
141829965,1cyclictest743-21snmpd20:55:572
141829965,1cyclictest743-21snmpd19:45:302
141829965,1cyclictest19186-21nvmesmart_nvme000:35:192
141829965,1cyclictest1841-21cpuspeed_turbos22:35:102
141829964,2cyclictest743-21snmpd22:49:122
141829964,2cyclictest743-21snmpd22:25:262
141829964,2cyclictest743-21snmpd19:28:272
141829963,3cyclictest557-21NetworkManager19:30:162
141829963,3cyclictest32075-21apt-get23:50:102
141829963,3cyclictest16484-21grep00:30:152
141829962,4cyclictest17489-21cat21:55:002
141829962,3cyclictest575-21rs:main2
141829962,3cyclictest31010-21sed21:05:202
141829961,5cyclictest557-21NetworkManager21:39:022
141789966,0cyclictest743-21snmpd23:49:441
141789966,0cyclictest743-21snmpd20:37:111
141789966,0cyclictest743-21snmpd20:37:111
141789966,0cyclictest743-21snmpd20:15:131
141789966,0cyclictest741-21lldpd21:07:251
141789965,1cyclictest743-21snmpd23:57:421
141789965,1cyclictest743-21snmpd21:50:491
141789964,2cyclictest743-21snmpd23:11:281
141789964,2cyclictest743-21snmpd23:01:091
141789964,2cyclictest743-21snmpd19:49:331
141789964,2cyclictest743-21snmpd19:19:001
141789964,2cyclictest743-21snmpd00:07:301
141859955,0cyclictest743-21snmpd00:01:363
141859954,1cyclictest743-21snmpd23:16:343
141859954,1cyclictest522-21avahi-daemon19:59:353
141859954,1cyclictest22327-21ntp_192.168.11422:05:163
141859953,2cyclictest743-21snmpd20:07:273
141859953,2cyclictest743-21snmpd00:06:273
141859952,3cyclictest28410-21perl22:20:133
141859952,2cyclictest4563-21cut20:05:013
141859952,2cyclictest24100-21irqstats22:10:153
141859952,2cyclictest14470-21grep00:25:123
141859952,2cyclictest10693-21ld22:55:183
141859951,3cyclictest24264-21memory20:50:143
141859951,3cyclictest12048-21df_inode23:00:133
141859950,5cyclictest6266-21ntpq21:25:173
141859950,4cyclictest30846-21ntpq23:45:163
141859950,4cyclictest28888-21ntp_states23:40:193
141829955,0cyclictest741-21lldpd22:10:132
141829955,0cyclictest741-21lldpd22:05:092
141829955,0cyclictest717-21ntpd23:55:122
141829955,0cyclictest14165-21cyclictest23:15:132
141829954,1cyclictest522-21avahi-daemon20:08:422
141829953,2cyclictest743-21snmpd21:55:222
141829953,2cyclictest13226-21ps00:20:192
141829952,2cyclictest31488-21sed19:50:172
141829951,3cyclictest10017-21df_inode22:55:142
141789955,0cyclictest743-21snmpd23:35:021
141789955,0cyclictest743-21snmpd22:07:471
141789955,0cyclictest743-21snmpd20:06:341
141789955,0cyclictest741-21lldpd00:20:251
141789954,1cyclictest25795-21cpuspeed_turbos20:55:121
141789953,2cyclictest743-21snmpd23:16:191
141789953,2cyclictest743-21snmpd21:38:491
141789952,2cyclictest31317-21ntpq19:50:151
141789950,5cyclictest557-21NetworkManager21:17:401
141859943,1cyclictest0-21swapper/320:30:133
141859943,1cyclictest0-21swapper/319:30:153
141859942,2cyclictest743-21snmpd20:40:083
141859942,2cyclictest743-21snmpd00:20:063
141859942,2cyclictest27347-21grep23:35:213
141859941,2cyclictest18893-21tr19:20:163
141859940,4cyclictest4668-21ntpq22:40:163
141859940,3cyclictest8375-21df_inode00:10:123
141859940,3cyclictest17793-21diskstats20:35:123
141859940,3cyclictest17793-21diskstats20:35:113
141859940,2cyclictest32173-21tr23:50:103
141829943,1cyclictest14165-21cyclictest21:00:142
141829941,3cyclictest557-21NetworkManager23:45:082
141829941,2cyclictest8015-21fschecks_count22:50:132
141829941,2cyclictest18439-21ld20:35:172
141829941,2cyclictest18439-21ld20:35:172
141829941,2cyclictest15882-21seq23:10:052
141829940,3cyclictest4147-21ntp_192.168.11421:20:162
141829940,3cyclictest3926-21diskstats00:00:112
141829940,3cyclictest32702-21memory22:30:152
141829940,3cyclictest14242-21ntp_192.168.11421:45:142
141829940,3cyclictest11841-21/usr/sbin/munin20:20:132
141789942,2cyclictest700-21sed21:10:221
141789940,3cyclictest24786-21ntpq23:30:171
141789940,3cyclictest10521-21fw_conntrack00:15:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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