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2025-05-09 - 05:42

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4s.osadl.org (updated Fri May 09, 2025 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1259640994526,14cyclictest1312716-21latency_hist20:00:012
1259633993630,4cyclictest1265105-21/usr/sbin/munin19:15:150
1259644993327,4cyclictest3000860-21systemd-journal21:25:003
1259644993226,4cyclictest1480421-21latency_hist22:40:013
1259644992925,3cyclictest1338771-21kworker/u8:1+flush-259:021:50:003
1259644992715,10cyclictest1338771-21kworker/u8:1+flush-259:020:55:003
1259644992715,10cyclictest1338771-21kworker/u8:1+flush-259:020:55:003
1259637992721,4cyclictest3000860-21systemd-journal19:27:011
1259633992723,3cyclictest1338771-21kworker/u8:1+events_unbound21:35:050
1259633992722,3cyclictest1-21systemd22:31:190
1259637992622,3cyclictest1485699-21gpgv22:45:001
1259644992518,5cyclictest1343948-21latency_hist20:29:593
1259644992418,4cyclictest1275354-21latency_hist19:25:013
1259637992418,4cyclictest3000860-21systemd-journal22:28:181
1259644992318,3cyclictest1543822-21kworker/u8:4+events_unbound00:40:003
1259644992317,4cyclictest1528262-21/usr/sbin/munin23:25:193
1259644992316,5cyclictest3000860-21systemd-journal00:05:183
1259640992317,4cyclictest1496388-21awk22:55:002
1259633992320,2cyclictest1391294-21kworker/u8:2+events_unbound21:44:180
1259644992217,3cyclictest1543822-21kworker/u8:4+flush-259:000:10:233
1259644992216,4cyclictest1318350-21diskstats20:05:153
125964099229,12cyclictest1474706-21unixbench_multi22:30:242
1259640992219,2cyclictest1391294-21kworker/u8:2+flush-259:021:30:002
1259640992216,4cyclictest1517590-21latency_hist23:15:012
1259637992217,3cyclictest1501574-21apt-get23:00:011
1259633992218,3cyclictest1543634-21kworker/u8:3+events_unbound00:39:550
1259633992215,5cyclictest1323154-21latency_hist20:09:590
1259644992117,3cyclictest1554075-21journal-offline23:50:003
1259644992115,5cyclictest1380281-21latency_hist21:05:013
1259640992116,3cyclictest1349114-21latency_hist20:35:002
1259633992118,2cyclictest1582813-21kworker/u8:0+events_unbound00:24:560
125964099205,6cyclictest1548865-21basename23:45:002
1259640992016,3cyclictest1318151-21kworker/u8:3+flush-259:020:10:152
1259633992017,2cyclictest1323428-21apt-get20:10:130
1259644991915,3cyclictest1364674-21idleruntime-cro20:50:003
1259644991915,3cyclictest1259816-21kworker/u8:1+flush-259:019:25:183
1259644991914,4cyclictest1297294-21kworker/u8:2+events_unbound20:05:013
1259644991912,5cyclictest3000860-21systemd-journal23:17:173
1259644991911,5cyclictest1585289-21latency_hist00:20:013
125964099191,6cyclictest1522779-21cron23:20:002
125964099190,10cyclictest1549919-21irqcore23:45:172
125963799196,11cyclictest3000860-21systemd-journal22:15:001
1259633991914,3cyclictest1297309-21/usr/sbin/munin19:45:160
1259633991913,4cyclictest1369057-21ntpq20:50:200
1259633991913,4cyclictest1369057-21ntpq20:50:200
125964499188,9cyclictest1354962-21irqcore20:40:163
1259644991813,3cyclictest1338771-21kworker/u8:1+flush-259:021:35:163
125964099185,5cyclictest1479550-21ntpq22:35:242
125964099181,5cyclictest1302556-21sshd19:50:112
125963799189,7cyclictest0-21swapper/100:20:201
1259637991814,3cyclictest1501698-21gpgv23:00:001
1259637991813,3cyclictest1517605-21kworker/u8:0+flush-259:000:05:161
1259637991812,4cyclictest3000860-21systemd-journal20:05:011
125963799180,16cyclictest1427918-21apt21:50:001
125963399181,3cyclictest1487030-21cut22:45:180
1259644991710,4cyclictest1417754-21/usr/sbin/munin21:40:153
125964099176,2cyclictest1564471-21latency_hist00:00:002
1259637991714,2cyclictest1254428-21kworker/u8:0+flush-259:020:00:011
125963799171,2cyclictest1442676-21ntpq22:00:241
1259637991711,4cyclictest1569668-21latency_hist00:05:011
1259637991710,5cyclictest0-21swapper/120:40:111
125963399173,10cyclictest1558670-21timerandwakeup23:50:230
1259633991714,1cyclictest191rcu_preempt20:40:200
125963399170,13cyclictest1333239-21runrttasks20:15:520
125964099163,4cyclictest1375092-21latency_hist21:00:012
1259640991613,2cyclictest1422733-21kworker/u8:0+flush-259:022:10:162
1259640991612,3cyclictest3000860-21systemd-journal20:50:002
125964099160,4cyclictest1427913-21awk21:50:002
125963799169,6cyclictest0-21swapper/120:45:271
125963799165,9cyclictest1260706-21irqcore19:10:161
125963799164,11cyclictest1401844-21cut21:25:191
125963799164,10cyclictest1328537-21cat20:15:001
125963799164,10cyclictest1302634-21cut19:50:121
125963799164,10cyclictest1-21systemd23:15:001
125963799161,6cyclictest1353446-21ntpq20:35:191
125963799161,2cyclictest1374280-21ntpq20:55:241
125963799161,2cyclictest1295769-21ntpq19:40:201
125963799161,1cyclictest1290537-21ntpq19:35:221
125963799161,13cyclictest1485581-21apt-get22:45:011
125963799160,3cyclictest1606188-21ls00:40:001
125963799160,2cyclictest1480421-21latency_hist22:40:001
125963399169,1cyclictest191rcu_preempt00:05:230
125963399163,3cyclictest1590738-21/usr/sbin/munin00:25:130
1259633991614,2cyclictest1543634-21kworker/u8:3+events_unbound23:49:570
1259633991614,1cyclictest60650irq/133-enp0s29f1:rx-023:30:260
1259633991614,1cyclictest60650irq/133-enp0s29f1:rx-021:05:190
1259633991614,1cyclictest1385498-21kworker/u8:3-ext4-rsv-conversion21:15:010
1259633991613,2cyclictest1507197-21kworker/u8:2+events_unbound23:14:550
1259633991613,2cyclictest1297294-21kworker/u8:2+events_unbound19:50:280
1259633991611,1cyclictest191rcu_preempt23:57:040
125963399160,3cyclictest16-21ksoftirqd/023:25:210
1259644991512,2cyclictest1411908-21kworker/u8:3+events_unbound22:15:193
1259644991512,2cyclictest1254428-21kworker/u8:0+events_unbound19:30:253
1259644991510,4cyclictest3000860-21systemd-journal21:17:003
125964499150,4cyclictest14419701kthreadcore22:00:203
1259640991512,2cyclictest1411908-21kworker/u8:3+flush-259:022:15:182
1259640991511,3cyclictest1595904-21/usr/sbin/munin00:30:212
1259640991510,3cyclictest3000063-21rs:main2
125963799154,9cyclictest0-21swapper/121:55:021
125963799153,11cyclictest1329621-21cut20:15:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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