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2026-07-17 - 08:58

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 all highest latencies:
System rack8slot6s.osadl.org (updated Fri Jul 17, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9072991818,0cyclictest65850irq/126-lan22:30:250
9072991818,0cyclictest65850irq/126-lan19:30:020
9072991817,1cyclictest65850irq/126-lan22:50:240
9072991717,0cyclictest65850irq/126-lan23:45:160
9072991717,0cyclictest65850irq/126-lan22:55:210
9072991717,0cyclictest65850irq/126-lan22:15:130
9072991717,0cyclictest65850irq/126-lan21:08:530
9072991717,0cyclictest65850irq/126-lan21:08:530
9072991717,0cyclictest65850irq/126-lan20:35:160
9072991717,0cyclictest65850irq/126-lan00:05:230
9072991716,1cyclictest65850irq/126-lan22:14:400
9072991716,1cyclictest65850irq/126-lan21:50:130
9072991716,1cyclictest65850irq/126-lan21:43:410
9072991716,1cyclictest65850irq/126-lan21:38:300
9072991716,1cyclictest65850irq/126-lan21:32:290
9072991716,1cyclictest65850irq/126-lan20:45:170
9072991716,1cyclictest65850irq/126-lan19:20:010
9072991616,0cyclictest743-21snmpd23:22:060
9072991616,0cyclictest743-21snmpd21:24:380
9072991616,0cyclictest743-21snmpd21:04:400
9072991616,0cyclictest743-21snmpd20:30:510
9072991616,0cyclictest743-21snmpd20:23:240
9072991616,0cyclictest65850irq/126-lan22:40:200
9072991616,0cyclictest65850irq/126-lan22:05:150
9072991616,0cyclictest65850irq/126-lan22:03:290
9072991616,0cyclictest65850irq/126-lan20:10:140
9072991616,0cyclictest65850irq/126-lan19:50:010
9072991616,0cyclictest65850irq/126-lan19:40:130
9072991616,0cyclictest65850irq/126-lan19:12:560
9072991615,1cyclictest8364-21cat21:45:160
9072991615,1cyclictest7485-21cat00:20:140
9072991615,1cyclictest65850irq/126-lan22:20:120
9072991615,1cyclictest65850irq/126-lan20:25:210
9072991615,1cyclictest65850irq/126-lan00:13:110
9072991515,0cyclictest743-21snmpd23:18:480
9072991515,0cyclictest743-21snmpd22:45:530
9072991515,0cyclictest743-21snmpd19:49:550
9072991515,0cyclictest743-21snmpd19:39:420
9072991515,0cyclictest743-21snmpd19:21:090
9072991515,0cyclictest743-21snmpd00:39:120
9072991515,0cyclictest65850irq/126-lan23:55:130
9072991515,0cyclictest65850irq/126-lan20:40:280
9072991515,0cyclictest65850irq/126-lan20:17:370
9072991515,0cyclictest65850irq/126-lan00:30:120
9072991515,0cyclictest65850irq/126-lan00:15:220
9072991515,0cyclictest32340-21cat20:05:150
9072991514,1cyclictest65850irq/126-lan23:25:200
9072991514,1cyclictest65850irq/126-lan22:25:140
9072991514,1cyclictest65850irq/126-lan21:10:100
9072991514,1cyclictest65850irq/126-lan19:55:120
9072991414,0cyclictest743-21snmpd23:43:010
9072991414,0cyclictest65850irq/126-lan23:54:410
9072991414,0cyclictest65850irq/126-lan23:10:220
9072991414,0cyclictest65850irq/126-lan22:35:120
9072991414,0cyclictest65850irq/126-lan21:55:110
9072991414,0cyclictest65850irq/126-lan21:25:110
9072991414,0cyclictest65850irq/126-lan20:50:130
9072991413,1cyclictest65850irq/126-lan19:25:210
9072991413,1cyclictest65850irq/126-lan00:25:170
9072991313,0cyclictest65850irq/126-lan23:00:150
9072991313,0cyclictest65850irq/126-lan00:00:160
9072991212,0cyclictest65850irq/126-lan23:35:170
9072991212,0cyclictest65850irq/126-lan23:30:120
9072991212,0cyclictest65850irq/126-lan23:05:000
9072991212,0cyclictest65850irq/126-lan21:18:290
9072991111,0cyclictest65850irq/126-lan20:55:120
9072991110,1cyclictest65850irq/126-lan20:00:120
90909996,3cyclictest743-21snmpd21:31:143
90869998,1cyclictest743-21snmpd23:30:512
90809998,1cyclictest743-21snmpd23:47:581
90809998,1cyclictest743-21snmpd22:47:051
90909988,0cyclictest743-21snmpd21:26:413
90909988,0cyclictest743-21snmpd20:26:303
90909988,0cyclictest741-21lldpd22:26:303
90909988,0cyclictest741-21lldpd20:38:213
90909988,0cyclictest741-21lldpd19:19:023
90909987,1cyclictest743-21snmpd19:34:463
90909987,1cyclictest522-21avahi-daemon23:26:343
90909986,2cyclictest743-21snmpd22:38:403
90909986,2cyclictest743-21snmpd21:58:363
90909986,2cyclictest743-21snmpd21:20:433
90909986,2cyclictest743-21snmpd19:42:463
90909985,3cyclictest743-21snmpd22:30:133
90869988,0cyclictest743-21snmpd23:56:192
90869988,0cyclictest743-21snmpd23:02:322
90869988,0cyclictest743-21snmpd22:44:582
90869988,0cyclictest743-21snmpd19:46:312
90869988,0cyclictest743-21snmpd00:20:382
90869988,0cyclictest741-21lldpd22:04:582
90869988,0cyclictest741-21lldpd21:45:192
90869988,0cyclictest741-21lldpd19:26:072
90869987,1cyclictest743-21snmpd20:32:542
90869987,1cyclictest743-21snmpd19:37:122
90869987,1cyclictest743-21snmpd19:24:302
90869987,1cyclictest743-21snmpd00:17:522
90869986,2cyclictest743-21snmpd23:35:302
90869986,2cyclictest743-21snmpd23:05:082
90869986,2cyclictest743-21snmpd20:14:532
90869986,2cyclictest743-21snmpd19:56:082
90809988,0cyclictest743-21snmpd22:20:221
90809988,0cyclictest743-21snmpd21:40:441
90809988,0cyclictest743-21snmpd21:03:461
90809988,0cyclictest743-21snmpd19:27:551
90809988,0cyclictest741-21lldpd22:51:321
90809988,0cyclictest741-21lldpd20:45:371
90809987,1cyclictest743-21snmpd23:36:481
90809987,1cyclictest743-21snmpd20:56:331
90809987,1cyclictest743-21snmpd19:34:551
90809987,1cyclictest1827-21gltestperf20:10:131
90809986,2cyclictest743-21snmpd23:10:111
90809986,2cyclictest743-21snmpd22:41:341
90809986,2cyclictest743-21snmpd20:39:451
90809986,2cyclictest743-21snmpd00:16:111
90909977,0cyclictest743-21snmpd22:20:523
90909977,0cyclictest743-21snmpd22:15:453
90909977,0cyclictest743-21snmpd22:08:003
90909977,0cyclictest743-21snmpd20:42:003
90909977,0cyclictest741-21lldpd21:37:383
90909977,0cyclictest741-21lldpd20:53:143
90909977,0cyclictest522-21avahi-daemon21:44:343
90909976,1cyclictest743-21snmpd21:54:263
90909976,1cyclictest743-21snmpd00:18:503
90909976,1cyclictest743-21snmpd00:05:253
90909975,2cyclictest743-21snmpd21:06:253
90909975,2cyclictest743-21snmpd21:06:253
90909975,2cyclictest743-21snmpd19:57:173
90909975,2cyclictest743-21snmpd19:52:553
90909973,4cyclictest557-21NetworkManager19:36:343
90909972,5cyclictest557-21NetworkManager23:47:103
90909972,5cyclictest557-21NetworkManager20:45:183
90869977,0cyclictest743-21snmpd21:22:342
90869977,0cyclictest743-21snmpd20:05:102
90869977,0cyclictest743-21snmpd00:13:052
90869977,0cyclictest741-21lldpd23:52:212
90869977,0cyclictest741-21lldpd22:38:082
90869977,0cyclictest741-21lldpd22:21:442
90869977,0cyclictest741-21lldpd21:53:062
90869977,0cyclictest741-21lldpd21:31:512
90869976,1cyclictest743-21snmpd20:47:242
90869976,1cyclictest741-21lldpd22:56:412
90869976,1cyclictest741-21lldpd20:54:332
90869976,1cyclictest522-21avahi-daemon21:25:122
90869975,2cyclictest743-21snmpd20:24:032
90869975,2cyclictest743-21snmpd00:36:212
90869975,2cyclictest1411-21cat00:05:172
90869973,4cyclictest557-21NetworkManager20:57:382
90809977,0cyclictest743-21snmpd23:00:531
90809977,0cyclictest743-21snmpd20:26:231
90809977,0cyclictest743-21snmpd00:25:021
90809977,0cyclictest743-21snmpd00:24:471
90809977,0cyclictest741-21lldpd22:15:041
90809977,0cyclictest506-21systemd-resolve21:45:081
90809976,1cyclictest743-21snmpd22:26:091
90809976,1cyclictest743-21snmpd22:10:381
90809976,1cyclictest19990-21fschecks_count19:35:111
90809975,2cyclictest743-21snmpd23:55:371
90809975,2cyclictest743-21snmpd19:21:391
90909966,0cyclictest741-21lldpd23:31:313
90909966,0cyclictest741-21lldpd22:58:063
90909966,0cyclictest741-21lldpd20:16:223
90909966,0cyclictest522-21avahi-daemon20:58:303
90909965,1cyclictest9686-21cpuspeed_turbos20:30:133
90909965,1cyclictest522-21avahi-daemon00:30:053
90909964,2cyclictest743-21snmpd00:02:523
90909962,3cyclictest11014-21cron19:15:013
90909961,3cyclictest20799-21cat22:15:003
90869966,0cyclictest743-21snmpd21:42:202
90869966,0cyclictest743-21snmpd20:28:452
90869966,0cyclictest743-21snmpd19:31:042
90869966,0cyclictest741-21lldpd21:05:012
90869966,0cyclictest741-21lldpd21:05:002
90869966,0cyclictest741-21lldpd19:15:532
90869966,0cyclictest741-21lldpd00:30:042
90869966,0cyclictest741-21lldpd00:04:522
90869965,1cyclictest743-21snmpd23:13:272
90869965,1cyclictest522-21avahi-daemon20:37:292
90869965,1cyclictest17287-21cat22:05:162
90869965,1cyclictest1307-21fschecks_time22:45:152
90869964,2cyclictest743-21snmpd23:45:222
90869963,3cyclictest557-21NetworkManager20:00:152
90809966,0cyclictest741-21lldpd23:19:011
90809966,0cyclictest741-21lldpd23:05:431
90809966,0cyclictest741-21lldpd22:37:301
90809966,0cyclictest741-21lldpd21:56:081
90809966,0cyclictest741-21lldpd20:05:221
90809966,0cyclictest741-21lldpd19:59:481
90809966,0cyclictest741-21lldpd19:15:031
90809965,1cyclictest741-21lldpd00:05:541
90809965,1cyclictest522-21avahi-daemon00:35:391
90809965,1cyclictest27357-21cpuspeed_turbos23:50:121
90809964,2cyclictest9697-21cat19:10:141
90809964,2cyclictest743-21snmpd23:23:121
90809964,2cyclictest743-21snmpd22:32:401
90809964,2cyclictest743-21snmpd22:04:151
90809964,2cyclictest743-21snmpd21:35:141
90809964,2cyclictest743-21snmpd20:53:401
90809964,2cyclictest743-21snmpd00:33:351
90809964,2cyclictest743-21snmpd00:13:081
90809962,3cyclictest20043-21ld23:30:171
90809960,6cyclictest28334-21tr21:15:131
90909954,1cyclictest743-21snmpd23:40:253
90909954,1cyclictest743-21snmpd22:50:443
90909954,1cyclictest743-21snmpd20:00:443
90909954,1cyclictest575-21rs:main3
90909954,1cyclictest244-20systemd-journal00:26:413
90909954,1cyclictest24263-21cat19:45:163
90909954,1cyclictest20966-21turbostat23:39:553
90909953,2cyclictest743-21snmpd20:10:383
90909953,2cyclictest557-21NetworkManager19:20:143
90909952,3cyclictest557-21NetworkManager21:15:183
90909952,3cyclictest14712-21fw_conntrack22:00:133
90909952,2cyclictest430-21awk20:05:183
90909952,2cyclictest30430-21sed23:55:213
90909952,2cyclictest13732-21cut00:35:163
90909952,2cyclictest13477-21grep23:15:143
90909952,2cyclictest11337-21tune2fs23:10:133
90909951,4cyclictest557-21NetworkManager20:24:163
90909950,4cyclictest26592-21ntpq21:10:163
90909950,4cyclictest1855-21ntpq22:45:193
90869952,3cyclictest557-21NetworkManager23:26:542
90869952,3cyclictest557-21NetworkManager20:17:072
90869952,3cyclictest27648-21cat19:55:002
90869952,2cyclictest4076-21systemctl22:50:212
90869952,2cyclictest22439-21gcc21:00:162
90869951,3cyclictest9559-21perl19:10:132
90869951,3cyclictest25680-21ld22:25:172
90809955,0cyclictest522-21avahi-daemon23:27:181
90809954,1cyclictest741-21lldpd20:02:501
90809953,2cyclictest743-21snmpd00:02:551
90809953,2cyclictest244-20systemd-journal20:15:171
90809952,3cyclictest24478-21grep19:45:171
90809952,2cyclictest575-21rs:main1
90809952,2cyclictest575-21rs:main1
90809952,2cyclictest24467-21ntp_kernel_err21:05:171
90809952,2cyclictest24467-21ntp_kernel_err21:05:161
90809952,2cyclictest17143-21tune2fs22:05:141
90909944,0cyclictest0-21swapper/323:50:123
90909943,1cyclictest511ktimers/321:45:143
90909943,1cyclictest21698-21kworker/3:0+events23:05:123
90909943,1cyclictest21698-21kworker/3:0+events00:10:003
90909941,2cyclictest7339-21grep23:00:143
90909941,2cyclictest31264-21cut22:40:143
90909941,2cyclictest244-20systemd-journal21:00:023
90909941,2cyclictest15320-21sort19:25:103
90909940,3cyclictest15351-21diskstats23:20:113
90869942,2cyclictest12829-21ntpq21:55:182
90869941,2cyclictest9452-21smartctl00:25:142
90869941,2cyclictest4272-21hddtemp_smartct21:35:132
90869941,2cyclictest28886-21netstat21:15:162
90869941,2cyclictest27500-21load22:30:152
90869941,2cyclictest26340-21sed21:10:142
90869941,2cyclictest23755-21grep23:40:152
90869941,2cyclictest15484-21tr23:20:122
90869941,2cyclictest13753-21tr20:40:112
90869941,2cyclictest13693-21latency23:15:152
90869940,4cyclictest21050-21diskstats22:15:132
90869940,3cyclictest21988-21diskstats19:40:122
90869940,3cyclictest19568-21ntp_192.168.11422:10:162
90809944,0cyclictest32599-21gltestperf21:25:131
90809944,0cyclictest0-21swapper/121:30:321
90809942,2cyclictest743-21snmpd22:55:021
90809942,2cyclictest26007-21df19:50:111
90809941,3cyclictest13662-21apt-get20:40:101
90809941,2cyclictest6308-21collect220:20:171
90809941,2cyclictest10610-21grep21:50:161
90809940,4cyclictest26461-21ntpq21:10:151
90809940,4cyclictest21820-21apt-get19:40:121
90809940,3cyclictest23816-21memory23:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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