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2026-05-20 - 19:23
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot8.osadl.org (updated Wed May 20, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16074219223,139sleep015589-21/usr/sbin/munin19:05:340
16777991649,112cyclictest19356-21fw_forwarded_lo23:30:270
16777991626,95cyclictest746-21apt-get22:18:170
167779916140,104cyclictest10250irq/56-4a10000019:50:570
167779916131,109cyclictest26051-21cpu19:45:200
167779916130,111cyclictest7959-21wget22:45:160
16777991607,114cyclictest29186-21sshd22:02:410
16777991607,108cyclictest16130-21apt-get23:17:080
16777991606,92cyclictest10859-21apt-get20:57:090
16777991606,132cyclictest2010-21node00:01:470
16777991597,115cyclictest3141-21sshd00:30:440
16777991578,94cyclictest32661-21diskstats00:20:370
16777991578,110cyclictest10138-21ntp_states20:50:430
16777991568,127cyclictest25904-21/usr/sbin/munin23:55:160
167779915633,108cyclictest801-21dbus-daemon00:29:240
16777991558,129cyclictest19165-21seq21:22:080
16777991558,108cyclictest16916-21wget19:10:140
16777991557,90cyclictest13745-21apt-get21:07:090
167779915524,114cyclictest2285-21/usr/sbin/munin20:20:290
16777991549,107cyclictest6890-21fw_conntrack22:40:240
16777991548,111cyclictest1305-21snmpd21:00:310
16777991548,110cyclictest29597-21runrttasks20:00:030
16777991547,126cyclictest1276-21runrttasks19:25:170
167779915440,103cyclictest17870-21sendmail21:20:000
167779915422,110cyclictest31943-21apt-get22:15:050
16777991538,107cyclictest27923-21sshd21:57:390
16777991537,89cyclictest9354-21diskstats22:50:240
16777991537,127cyclictest20527-21apt-key23:35:130
16777991537,124cyclictest1305-21snmpd22:25:320
16777991535,109cyclictest8082-21seq20:42:290
16777991528,123cyclictest12887-21/usr/sbin/munin23:05:120
16777991516,107cyclictest4951-21seq20:30:160
16777991508,121cyclictest25355-21sshd23:52:580
16777991507,119cyclictest32392-21runrttasks20:10:200
16777991507,105cyclictest29899-21ntp_states00:10:380
16777991506,126cyclictest29872-21/usr/sbin/munin20:00:150
167779915010,105cyclictest22233-21ntp_states19:30:400
16777991498,97cyclictest21104-21fw_forwarded_lo21:30:260
16777991498,91cyclictest4763-21chrt00:35:530
16777991498,120cyclictest2144-21sshd22:22:440
16777991498,100cyclictest4285-21df22:30:220
16777991497,121cyclictest8901-21ntpq20:45:420
167779914945,95cyclictest19250-21tr19:20:010
167779914929,101cyclictest15486-21/usr/sbin/munin21:10:110
16777991478,95cyclictest29341-21chrt00:09:460
16777991477,115cyclictest1389-21ntp_states20:15:420
16777991477,102cyclictest1305-21snmpd19:43:260
16777991475,123cyclictest14128-21/usr/sbin/munin23:10:130
167779914719,105cyclictest17759-21latency_hist23:25:030
16777991466,88cyclictest23276-21df19:35:160
16777991466,120cyclictest23371-21cat21:40:110
16777991466,103cyclictest1305-21snmpd21:38:530
16777991458,116cyclictest19685-21wget21:25:130
16777991449,100cyclictest1305-21snmpd23:29:150
16777991447,99cyclictest1305-21snmpd23:44:200
167779914422,105cyclictest0-21swapper/021:53:540
16777991429,94cyclictest1305-21snmpd20:08:310
16777991427,123cyclictest31519-21apt-get00:17:070
16777991427,113cyclictest4690-21latency_hist20:30:030
167779914236,95cyclictest754-21systemd-journal23:46:110
167779914232,99cyclictest20492-21munin-run19:25:010
16777991418,93cyclictest6186-21seq20:35:160
16777991408,115cyclictest1305-21snmpd22:39:070
16777991407,94cyclictest10685-21irqstats22:55:300
16777991406,114cyclictest754-21systemd-journal21:45:080
16777991388,118cyclictest12056-21ntp_states23:00:490
16777991378,116cyclictest29794-21df_inode22:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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