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2024-07-27 - 07:07
Click here to display the system's profile data.
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 100 highest latencies:
System rackeslot8.osadl.org (updated Sat Jul 27, 2024 00:43:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182531621090,1sleep244-21ksoftirqd/222:20:012
16064822940,1sleep01606486-21cut19:35:180
18625532300,1sleep30-21swapper/322:43:503
1569745992926,2cyclictest1749000-21munin-plugin-st21:30:001
16995312280,1sleep30-21swapper/320:50:243
156974599251,23cyclictest1645619-21apt-get20:10:111
1569749992421,2cyclictest1893267-21cron23:04:592
1569751992320,1cyclictest0-21swapper/322:25:003
1569751992313,8cyclictest1741139-21turbostat21:25:003
1569751992313,1cyclictest0-21swapper/323:10:183
1569751992311,1cyclictest0-21swapper/323:50:163
1569749992320,2cyclictest1984063-21turbostat.cron00:05:002
1569745992318,3cyclictest1984482-21tr00:05:111
1569751992216,4cyclictest0-21swapper/322:20:003
1569751992212,1cyclictest0-21swapper/321:50:173
1569751992210,1cyclictest0-21swapper/321:55:113
1569751992210,1cyclictest0-21swapper/320:00:163
1569751992210,1cyclictest0-21swapper/319:25:253
1569745992219,2cyclictest1915988-21latency_hist23:20:001
1569745992219,2cyclictest1700021-21apt-config20:55:011
1569743992220,1cyclictest1718384-21idleruntime-cro21:10:010
156975199219,1cyclictest0-21swapper/321:50:013
1569751992118,1cyclictest0-21swapper/300:15:013
1569751992111,1cyclictest0-21swapper/323:40:003
1569751992110,1cyclictest0-21swapper/322:50:153
1569751992110,1cyclictest0-21swapper/322:00:153
1569749992118,2cyclictest1620783-21apt-key19:50:002
1569749992118,2cyclictest1589870-21sh19:25:002
1569749992118,2cyclictest0-21swapper/200:00:002
1569745992118,2cyclictest3974914-21kworker/u8:2+events_unbound23:59:591
1569743992119,1cyclictest1809785-21basename22:10:000
1569751992017,1cyclictest0-21swapper/323:00:003
1569751992012,6cyclictest0-21swapper/321:10:003
1569751992011,1cyclictest0-21swapper/300:15:133
1569749992017,2cyclictest1639061-21/usr/sbin/munin20:05:002
1569745992018,1cyclictest0-21swapper/121:20:011
1569745992017,2cyclictest1657442-21sendmail20:20:001
1569745992014,5cyclictest0-21swapper/123:30:001
1569743992018,1cyclictest1885719-21idleruntime-cro23:00:000
1569743992017,2cyclictest1832778-21cron22:25:000
1569743992017,2cyclictest1699958-21cron20:55:000
1569743992017,2cyclictest0-21swapper/019:50:000
1569743992016,2cyclictest0-21swapper/021:50:000
156975199198,1cyclictest0-21swapper/321:45:003
1569751991914,3cyclictest0-21swapper/319:30:223
1569751991913,4cyclictest0-21swapper/323:00:273
1569751991910,1cyclictest0-21swapper/322:35:113
1569749991917,1cyclictest1885716-21cron23:00:002
1569749991916,2cyclictest1583857-21sendmail19:20:002
1569749991916,2cyclictest0-21swapper/200:20:002
1569749991915,3cyclictest1699964-21idleruntime-cro20:55:012
1569749991913,4cyclictest0-21swapper/221:45:002
1569745991916,2cyclictest1706269-21idleruntime-cro21:00:011
1569743991914,3cyclictest1785374-21grep21:50:280
1569743991912,6cyclictest1842059-21kthreadcore22:30:180
1569751991815,1cyclictest0-21swapper/323:30:203
1569751991815,1cyclictest0-21swapper/323:25:143
1569751991815,1cyclictest0-21swapper/321:25:003
1569751991815,1cyclictest0-21swapper/321:10:233
1569751991812,3cyclictest1840350-21sleep22:30:003
1569749991816,1cyclictest1602252-21idleruntime-cro19:35:002
1569749991815,2cyclictest306-21jbd2/sda2-819:55:012
1569749991814,2cyclictest0-21swapper/220:50:012
1569745991816,1cyclictest0-21swapper/122:45:011
1569745991815,2cyclictest1749978-21irqcore21:30:241
1569745991815,2cyclictest1625982-21needreboot19:50:191
1569743991815,2cyclictest851-21cron23:40:000
1569743991815,2cyclictest2030390-21cpuspeed_turbos00:35:110
1569743991815,2cyclictest1891556-21unixbench_singl23:00:270
1569743991815,2cyclictest1794696-21sendmail22:00:000
1569743991815,2cyclictest1756702-21latency_hist21:35:000
1569743991815,2cyclictest1576158-21kthreadcore19:15:010
1569743991813,4cyclictest1848460-21fschecks_count22:35:160
1569751991714,1cyclictest0-21swapper/300:30:003
1569749991714,2cyclictest2037740-21latency_hist00:40:012
1569749991714,2cyclictest1916467-21fschecks_count23:20:152
1569749991713,3cyclictest1848558-21gltestperf22:35:172
1569749991713,3cyclictest1772907-21irqcore21:45:142
1569749991713,3cyclictest1723693-21ntp_offset21:10:192
1569749991713,3cyclictest1706812-21cut21:00:152
1569749991713,3cyclictest0-21swapper/221:30:012
1569745991714,2cyclictest1871615-21irqcore22:50:131
1569745991714,2cyclictest1717660-21systemctl21:05:241
1569745991714,2cyclictest1670084-21gltestperf20:30:171
1569745991714,2cyclictest1645346-21latency_hist20:10:001
1569745991713,2cyclictest276-21plymouthd22:30:011
1569743991714,2cyclictest773-21gmain23:20:000
1569743991714,2cyclictest1876281-21unixbench-2d22:50:230
1569743991714,2cyclictest1680607-21needreboot20:35:210
1569743991714,2cyclictest1020-21rtkit-daemon00:12:000
1569743991714,2cyclictest0-21swapper/022:15:000
1569751991613,1cyclictest0-21swapper/321:35:003
1569751991613,1cyclictest0-21swapper/319:40:003
1569751991613,1cyclictest0-21swapper/319:21:313
1569749991614,1cyclictest1675548-21cron20:35:012
1569749991612,3cyclictest1909013-21gltestperf23:15:142
1569749991612,3cyclictest1764177-21systemd-run21:40:002
1569749991612,2cyclictest0-21swapper/219:40:002
1569745991614,1cyclictest1946177-21munin-plugin-st23:40:001
1569745991613,2cyclictest1978257-21kthreadcore00:00:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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