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2026-07-22 - 18:04
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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 all highest latencies:
System rack7slot8.osadl.org (updated Wed Jul 22, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6384218323,52sleep06382-21diskstats19:05:260
73529913758,24cyclictest2616-21fw_conntrack23:05:420
73529913356,36cyclictest805-21rs:main0
73529913168,49cyclictest1285-21lldpd23:28:410
73529913166,26cyclictest5181-21latency_hist23:15:040
73529913156,33cyclictest18376-21/usr/sbin/munin00:05:050
73529913058,52cyclictest17662-21munin-run22:00:030
73529913056,54cyclictest754-21systemd-journal20:05:160
73529912882,36cyclictest25854-21diskstats22:30:210
73529912867,42cyclictest1408-21nginx21:31:500
73529912863,45cyclictest1408-21nginx19:46:380
73529912860,47cyclictest1836-21latency_hist23:05:040
73529912858,33cyclictest19727-21memory22:05:330
73529912751,57cyclictest1305-21snmpd22:49:030
73529912737,34cyclictest5509-21irqstats23:15:310
73529912665,43cyclictest24392-21wget00:25:150
73529912651,19cyclictest23378-21diskstats22:20:230
73529912570,36cyclictest801-21dbus-daemon00:31:450
73529912556,24cyclictest29216-21diskstats20:35:230
73529912555,52cyclictest20156-21apt-config00:10:110
73529912550,36cyclictest7320-21apt-get21:17:090
73529912550,21cyclictest22601-21diskstats20:10:230
73529912465,45cyclictest1305-21snmpd19:23:180
73529912459,24cyclictest9074-21ntp_states19:15:420
73529912453,33cyclictest13953-21/usr/sbin/munin23:50:230
73529912351,35cyclictest11937-21ntp_states21:35:400
73529912277,34cyclictest13000-21df21:40:170
73529912259,45cyclictest15926-21runrttasks21:50:570
73529912254,46cyclictest1305-21snmpd19:58:260
73529912253,35cyclictest6277-21chrt21:13:430
73529912169,34cyclictest1276-21runrttasks19:38:220
73529912051,50cyclictest1305-21snmpd21:08:410
73529911959,41cyclictest539-21munin-run23:00:020
73529911957,49cyclictest20018-21apt-get00:12:110
73529911952,32cyclictest15076-21apt-get23:55:560
73529911948,38cyclictest27477-21irqstats00:35:300
73529911865,35cyclictest28357-21/usr/sbin/munin20:31:270
73529911852,48cyclictest31640-21runrttasks22:54:030
73529911847,28cyclictest7438-21/usr/sbin/munin19:10:360
73529911777,31cyclictest18074-21chrt22:00:180
73529911751,33cyclictest1305-21snmpd00:24:240
73529911748,51cyclictest11251-21wget19:25:140
73529911650,31cyclictest22910-21systemctl00:20:020
73529911649,33cyclictest1683-21sshd20:55:160
73529911647,33cyclictest1305-21snmpd22:28:590
73529911647,18cyclictest12731-21irqstats19:30:310
73529911555,21cyclictest3074-21fw_forwarded_lo21:00:280
73529911468,34cyclictest8143-21chrt21:20:330
73529911467,37cyclictest14932-21/usr/sbin/munin19:40:150
73529911462,41cyclictest22016-21grep22:15:170
73529911462,35cyclictest24468-21seq20:17:330
73529911367,35cyclictest32317-21sshd20:47:260
73529911357,40cyclictest30351-21wget20:40:140
73529911342,34cyclictest17693-21/usr/sbin/munin19:50:280
73529911269,33cyclictest20076-21grep20:00:170
73529911266,35cyclictest26540-21ntp_states20:25:430
73529911260,40cyclictest12952-21fw_conntrack23:45:280
73529911251,41cyclictest14097-21aten_r7power_en21:45:140
73529911251,21cyclictest28213-21hostname22:40:140
73529911248,23cyclictest9590-21/usr/sbin/munin21:25:440
73529911245,32cyclictest20739-21wget22:10:130
73529911162,38cyclictest28015-21munin-run22:40:010
73529911153,19cyclictest10440-21forks23:35:280
73529911050,20cyclictest511-21fw_forwarded_lo20:50:260
73529911035,55cyclictest1480-21munin-node23:40:200
73529910878,22cyclictest25885-21runrttasks20:23:540
73529910863,34cyclictest9157-21df23:30:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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