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2026-08-07 - 06:01

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 Fri Aug 07, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6468991818,0cyclictest65850irq/126-lan20:25:180
6468991817,1cyclictest65850irq/126-lan23:45:160
6468991817,1cyclictest65850irq/126-lan21:00:120
6472991717,0cyclictest743-21snmpd20:50:031
6468991717,0cyclictest65850irq/126-lan19:10:180
6468991716,1cyclictest65850irq/126-lan23:20:160
6468991716,1cyclictest65850irq/126-lan00:35:190
6472991616,0cyclictest743-21snmpd20:06:251
6468991616,0cyclictest65850irq/126-lan23:05:160
6468991616,0cyclictest65850irq/126-lan23:00:110
6468991616,0cyclictest65850irq/126-lan21:50:230
6468991616,0cyclictest65850irq/126-lan20:50:170
6468991616,0cyclictest65850irq/126-lan20:35:210
6468991616,0cyclictest65850irq/126-lan19:28:250
6468991616,0cyclictest65850irq/126-lan00:20:140
6468991615,1cyclictest65850irq/126-lan23:10:130
6468991615,1cyclictest65850irq/126-lan22:05:160
6468991615,1cyclictest65850irq/126-lan21:40:220
6468991615,1cyclictest65850irq/126-lan21:25:140
6468991615,1cyclictest65850irq/126-lan20:15:000
6468991615,1cyclictest65850irq/126-lan19:45:130
6468991615,1cyclictest65850irq/126-lan19:40:130
6468991615,1cyclictest65850irq/126-lan19:30:190
6468991615,1cyclictest65850irq/126-lan19:20:130
6468991615,1cyclictest65850irq/126-lan00:25:190
6472991514,1cyclictest743-21snmpd20:02:551
6468991515,0cyclictest65850irq/126-lan22:50:150
6468991515,0cyclictest65850irq/126-lan21:30:120
6468991515,0cyclictest65850irq/126-lan20:40:110
6468991515,0cyclictest65850irq/126-lan20:00:220
6468991515,0cyclictest65850irq/126-lan19:55:160
6468991515,0cyclictest65850irq/126-lan19:19:220
6468991515,0cyclictest65850irq/126-lan00:05:160
6468991514,1cyclictest65850irq/126-lan23:50:170
6468991514,1cyclictest65850irq/126-lan23:40:180
6468991514,1cyclictest65850irq/126-lan22:15:160
6468991514,1cyclictest65850irq/126-lan22:00:090
6468991514,1cyclictest65850irq/126-lan20:20:150
6468991414,0cyclictest65850irq/126-lan23:30:170
6468991414,0cyclictest65850irq/126-lan20:05:120
6468991413,1cyclictest65850irq/126-lan23:15:180
6468991413,1cyclictest65850irq/126-lan22:30:150
6468991413,1cyclictest65850irq/126-lan22:30:140
6468991413,1cyclictest65850irq/126-lan21:35:160
6468991413,1cyclictest65850irq/126-lan00:00:200
6472991313,0cyclictest743-21snmpd23:47:491
6472991313,0cyclictest743-21snmpd23:38:171
6472991313,0cyclictest743-21snmpd23:16:181
6472991313,0cyclictest743-21snmpd20:11:491
6472991313,0cyclictest25695-21cat19:55:141
6468991313,0cyclictest65850irq/126-lan21:15:160
6468991313,0cyclictest65850irq/126-lan19:35:120
6468991313,0cyclictest65850irq/126-lan00:10:130
6468991312,1cyclictest65850irq/126-lan22:35:120
6468991312,1cyclictest65850irq/126-lan22:25:180
6468991312,1cyclictest65850irq/126-lan21:55:220
6472991212,0cyclictest743-21snmpd21:20:251
6472991212,0cyclictest743-21snmpd19:53:331
6472991212,0cyclictest743-21snmpd19:40:361
6472991212,0cyclictest743-21snmpd00:37:201
6472991212,0cyclictest743-21snmpd00:20:211
6472991212,0cyclictest3739-21cat21:40:151
6472991212,0cyclictest27858-21cups-browsed00:00:031
6472991212,0cyclictest24274-21cat23:50:161
6472991212,0cyclictest13831-21cat22:05:141
6472991211,1cyclictest743-21snmpd21:12:361
6468991212,0cyclictest65850irq/126-lan21:45:130
6468991212,0cyclictest65850irq/126-lan20:46:430
6468991212,0cyclictest65850irq/126-lan20:30:210
6468991212,0cyclictest65850irq/126-lan19:53:410
6468991212,0cyclictest65850irq/126-lan00:35:000
6468991211,1cyclictest65850irq/126-lan23:25:210
6468991211,1cyclictest65850irq/126-lan22:20:160
6468991211,1cyclictest65850irq/126-lan22:10:160
6468991211,1cyclictest65850irq/126-lan20:15:010
6472991111,0cyclictest743-21snmpd23:55:561
6472991111,0cyclictest743-21snmpd22:29:121
6472991111,0cyclictest743-21snmpd22:12:201
6472991111,0cyclictest743-21snmpd21:45:361
6472991111,0cyclictest743-21snmpd21:05:061
6472991111,0cyclictest743-21snmpd19:38:351
6472991111,0cyclictest743-21snmpd19:23:321
6472991111,0cyclictest743-21snmpd19:11:421
6472991111,0cyclictest743-21snmpd00:31:331
6472991111,0cyclictest743-21snmpd00:11:451
6468991111,0cyclictest65850irq/126-lan23:35:140
6468991110,1cyclictest65850irq/126-lan21:10:170
6468991110,1cyclictest65850irq/126-lan00:00:000
646899109,1cyclictest65850irq/126-lan22:40:210
6468991010,0cyclictest65850irq/126-lan22:45:140
6468991010,0cyclictest65850irq/126-lan21:20:190
64819998,1cyclictest743-21snmpd23:29:503
64819998,1cyclictest743-21snmpd19:59:043
64779998,1cyclictest743-21snmpd22:33:572
64779998,1cyclictest743-21snmpd22:33:562
64779998,1cyclictest743-21snmpd19:49:572
64729998,1cyclictest743-21snmpd23:30:581
64729998,1cyclictest743-21snmpd22:20:541
64729998,1cyclictest741-21lldpd23:23:291
64689999,0cyclictest65850irq/126-lan00:19:550
64819988,0cyclictest743-21snmpd23:33:233
64819988,0cyclictest743-21snmpd23:16:493
64819988,0cyclictest741-21lldpd22:10:233
64819988,0cyclictest741-21lldpd19:30:483
64819988,0cyclictest741-21lldpd00:14:183
64819987,1cyclictest743-21snmpd22:01:053
64819987,1cyclictest741-21lldpd21:35:153
64819986,2cyclictest743-21snmpd22:33:393
64819986,2cyclictest743-21snmpd22:33:383
64819986,2cyclictest743-21snmpd21:50:533
64819986,2cyclictest743-21snmpd21:32:553
64819986,2cyclictest743-21snmpd20:59:383
64819986,2cyclictest743-21snmpd20:19:143
64819986,2cyclictest21655-21cat19:45:133
64779988,0cyclictest741-21lldpd22:24:182
64779988,0cyclictest741-21lldpd21:41:262
64779987,1cyclictest743-21snmpd00:29:212
64779987,1cyclictest741-21lldpd22:45:182
64779987,1cyclictest522-21avahi-daemon22:50:452
64779987,1cyclictest24192-21needreboot21:10:152
64779986,2cyclictest743-21snmpd23:43:382
64779986,2cyclictest743-21snmpd21:47:412
64779986,2cyclictest743-21snmpd21:26:182
64779986,2cyclictest743-21snmpd21:07:362
64779986,2cyclictest743-21snmpd20:14:052
64779986,2cyclictest743-21snmpd00:35:382
64779982,3cyclictest3427-21cat23:00:002
64729988,0cyclictest743-21snmpd00:29:421
64729988,0cyclictest741-21lldpd22:53:401
64729987,1cyclictest573-21in:imuxsock22:34:211
64729987,1cyclictest573-21in:imuxsock22:34:201
64729986,2cyclictest743-21snmpd21:36:161
64729986,2cyclictest743-21snmpd20:39:441
64729985,3cyclictest743-21snmpd21:55:501
64729984,3cyclictest12224-21ntp_states22:00:161
64689988,0cyclictest65850irq/126-lan22:55:150
64689986,2cyclictest743-21snmpd20:57:080
64819977,0cyclictest743-21snmpd22:45:303
64819977,0cyclictest743-21snmpd00:27:213
64819977,0cyclictest741-21lldpd23:04:453
64819977,0cyclictest741-21lldpd20:06:273
64819977,0cyclictest522-21avahi-daemon23:53:323
64819976,1cyclictest743-21snmpd00:02:433
64819975,2cyclictest743-21snmpd23:35:293
64819975,2cyclictest743-21snmpd23:07:463
64819975,2cyclictest743-21snmpd22:22:003
64819975,2cyclictest743-21snmpd22:06:083
64819975,2cyclictest743-21snmpd20:27:233
64819975,2cyclictest743-21snmpd20:14:263
64819975,2cyclictest743-21snmpd00:30:063
64819973,3cyclictest27053-21sshd21:16:443
64779977,0cyclictest743-21snmpd00:06:332
64779977,0cyclictest741-21lldpd23:36:432
64779977,0cyclictest741-21lldpd22:42:592
64779977,0cyclictest741-21lldpd22:37:162
64779977,0cyclictest741-21lldpd20:31:042
64779977,0cyclictest741-21lldpd00:20:442
64779976,1cyclictest743-21snmpd23:07:312
64779976,1cyclictest743-21snmpd23:01:312
64779976,1cyclictest17828-21gltestperf20:55:122
64779975,2cyclictest743-21snmpd23:52:112
64779975,2cyclictest743-21snmpd23:24:222
64779975,2cyclictest743-21snmpd23:19:182
64779975,2cyclictest743-21snmpd20:15:052
64779975,2cyclictest743-21snmpd19:50:262
64779975,2cyclictest743-21snmpd19:15:412
64779975,2cyclictest743-21snmpd00:14:092
64779975,2cyclictest743-21snmpd00:00:462
64729977,0cyclictest743-21snmpd20:30:301
64729977,0cyclictest743-21snmpd00:07:031
64729976,1cyclictest743-21snmpd20:57:321
64729976,1cyclictest15040-21gltestperf19:30:141
64729976,1cyclictest11548-21cpuspeed_turbos20:40:101
64729975,2cyclictest743-21snmpd23:28:441
64729975,2cyclictest743-21snmpd22:40:321
64729975,2cyclictest743-21snmpd19:15:261
64729975,1cyclictest743-21snmpd21:25:001
64819966,0cyclictest743-21snmpd19:10:483
64819966,0cyclictest741-21lldpd19:37:493
64819965,1cyclictest743-21snmpd21:11:243
64819965,1cyclictest743-21snmpd19:27:573
64819965,1cyclictest32060-21cpuspeed_turbos22:50:143
64819965,1cyclictest26616-21ntp_kernel_pll_23:55:183
64819964,2cyclictest743-21snmpd19:16:563
64819962,3cyclictest4030-21ntp_kernel_err21:40:173
64779966,0cyclictest741-21lldpd22:06:062
64779965,1cyclictest7648-21/usr/sbin/munin23:10:182
64779965,1cyclictest743-21snmpd23:25:222
64779965,1cyclictest743-21snmpd21:20:162
64779965,1cyclictest743-21snmpd19:42:242
64779965,1cyclictest741-21lldpd19:13:132
64779964,2cyclictest743-21snmpd20:26:082
64779963,2cyclictest29898-21sed20:05:162
64729966,0cyclictest743-21snmpd21:30:181
64729966,0cyclictest743-21snmpd20:23:311
64729966,0cyclictest743-21snmpd19:49:451
64729966,0cyclictest741-21lldpd23:02:261
64729966,0cyclictest741-21lldpd21:50:371
64729966,0cyclictest522-21avahi-daemon23:07:441
64729965,1cyclictest741-21lldpd22:57:501
64729964,2cyclictest743-21snmpd23:40:591
64729964,2cyclictest743-21snmpd22:49:421
64729964,2cyclictest743-21snmpd21:19:581
64729963,3cyclictest557-21NetworkManager21:00:021
64729962,4cyclictest557-21NetworkManager20:47:481
64819955,0cyclictest741-21lldpd20:21:473
64819955,0cyclictest741-21lldpd19:41:043
64819954,1cyclictest743-21snmpd21:05:453
64819954,1cyclictest743-21snmpd00:38:033
64819953,2cyclictest743-21snmpd00:20:123
64819953,2cyclictest717-21ntpd23:40:173
64819952,3cyclictest30248-21expr00:05:143
64819952,3cyclictest28662-21ntp_192.168.11422:40:173
64819952,2cyclictest9951-21ls21:55:143
64819952,2cyclictest575-21rs:main3
64819952,2cyclictest244-20systemd-journal20:01:133
64819952,2cyclictest22461-21grep23:45:143
64819952,2cyclictest17870-21cat22:15:133
64819952,2cyclictest1593-21cat22:55:103
64819952,2cyclictest14717-21sed20:45:223
64819952,2cyclictest10291-21ntpq20:35:193
64819951,3cyclictest544-21systemd-logind21:25:493
64819950,4cyclictest20317-21ntpq21:00:173
64779955,0cyclictest743-21snmpd23:58:442
64779955,0cyclictest741-21lldpd23:30:022
64779955,0cyclictest522-21avahi-daemon19:58:192
64779955,0cyclictest522-21avahi-daemon00:34:572
64779954,1cyclictest743-21snmpd20:01:552
64779954,1cyclictest522-21avahi-daemon23:45:052
64779954,1cyclictest522-21avahi-daemon21:50:122
64779954,1cyclictest522-21avahi-daemon21:36:582
64779954,1cyclictest522-21avahi-daemon19:36:222
64779954,1cyclictest14354-21ntpq20:45:182
64779953,2cyclictest15189-21cat19:30:152
64779952,3cyclictest26390-21ntpq21:15:162
64779952,3cyclictest10788-21awk20:35:222
64779952,2cyclictest717-21ntpd22:10:172
64779952,2cyclictest2655-21cut00:15:162
64779952,2cyclictest20808-21unixbench_multi21:00:212
64779951,3cyclictest31942-21fw_forwarded_lo21:30:142
64779951,3cyclictest13163-21if_lan19:25:152
64779951,3cyclictest11623-21sed19:20:182
64779951,3cyclictest10182-21ntpq21:55:172
64779950,4cyclictest16333-21ntp_states20:50:162
64729954,1cyclictest7648-21/usr/sbin/munin23:10:181
64729954,1cyclictest743-21snmpd19:26:361
64729954,1cyclictest17796-21gltestperf22:15:131
64729951,4cyclictest557-21NetworkManager22:38:011
64689954,1cyclictest65850irq/126-lan21:05:160
64819944,0cyclictest741-21lldpd19:52:593
64819944,0cyclictest0-21swapper/321:45:043
64819942,2cyclictest8484-21ldconfig23:10:163
64819942,2cyclictest743-21snmpd22:35:093
64819942,2cyclictest717-21ntpd19:20:183
64819941,3cyclictest557-21NetworkManager20:40:133
64819941,2cyclictest7462-21cpu20:30:123
64819941,2cyclictest15479-21basename20:50:093
64819940,4cyclictest28417-21ntpq21:20:213
64819940,4cyclictest2750-21ntpq00:15:183
64819940,3cyclictest22071-21diskstats22:25:143
64779941,2cyclictest575-21rs:main2
64779941,2cyclictest18276-21ld22:15:172
64779941,2cyclictest11946-21missed_timers22:00:132
64779940,4cyclictest4215-21ntpq20:20:162
64779940,3cyclictest11923-21interrupts20:40:122
64729940,4cyclictest2741-21ntpq00:15:191
64729940,3cyclictest6155-21ntpq20:25:141
64729931,2cyclictest1025-21apt-key20:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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