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2026-05-30 - 22:26
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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 Sat May 30, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32464213140,10sleep032463-21/usr/sbin/munin19:05:140
11029916473,36cyclictest7766-21df23:45:150
11029915977,24cyclictest12470-21apt-get00:07:100
11029915464,36cyclictest1968-21users23:20:480
11029915278,38cyclictest32142-21apt-get21:10:350
11029915176,54cyclictest2310-21ntp_states21:16:140
11029914977,32cyclictest29646-21munin-run21:00:010
11029914975,52cyclictest4116-21ntp_states19:20:390
11029914973,23cyclictest25538-21apt-get20:47:080
11029914773,52cyclictest8301-21df_inode21:40:200
11029914772,19cyclictest13326-21apt-get22:00:470
11029914771,37cyclictest26677-21ntp_states22:50:430
11029914771,19cyclictest21416-21apt-get20:32:100
11029914579,50cyclictest14801-21latency_hist20:05:050
11029914576,25cyclictest32153-21http21:10:030
11029914575,49cyclictest14803-21apt-get20:05:260
11029914570,56cyclictest1305-21snmpd19:48:320
11029914477,48cyclictest24045-21runrttasks22:40:260
11029914476,50cyclictest5084-21/usr/sbin/munin23:35:200
11029914371,38cyclictest16616-21apt00:20:020
11029914368,38cyclictest1589-21ntp_states19:10:390
11029914274,30cyclictest13541-21cron20:00:000
11029914267,36cyclictest1305-21snmpd23:01:200
11029914176,25cyclictest9222-21apt-get21:46:370
11029914173,32cyclictest11214-21sendmail-msp00:00:030
11029914169,52cyclictest1305-21snmpd20:18:380
11029914169,50cyclictest2844-21fw_conntrack23:25:270
11029914167,38cyclictest12329-21sshd00:03:530
11029914167,37cyclictest16855-21memory20:10:340
11029914165,37cyclictest31309-21wget23:10:180
11029914066,36cyclictest1305-21snmpd22:55:250
11029913975,24cyclictest1305-21snmpd20:30:040
11029913969,50cyclictest884-21chrt23:17:260
11029913961,64cyclictest10150irq/55-4a10000021:50:170
11029913873,22cyclictest18327-21apt-get22:17:080
11029913865,34cyclictest5487-21munin-run21:30:010
11029913865,19cyclictest20055-21ntp_states00:30:420
11029913772,30cyclictest8929-21/usr/sbin/munin19:40:240
11029913772,23cyclictest1276-21runrttasks23:09:590
11029913769,35cyclictest23470-21memory20:35:350
11029913766,36cyclictest29975-21df_inode21:00:190
11029913765,53cyclictest24522-21aten_r7power_vo20:40:130
11029913689,36cyclictest2454-21/usr/sbin/munin19:15:130
11029913677,39cyclictest15293-21diskstats22:05:230
11029913675,21cyclictest21514-21diskstats22:30:210
11029913674,21cyclictest754-21systemd-journal21:40:010
11029913669,23cyclictest13428-21latency_hist22:00:080
11029913665,19cyclictest11579-21ntp_states19:50:400
11029913580,36cyclictest6719-21cron21:35:000
11029913571,21cyclictest1276-21runrttasks22:25:380
11029913565,35cyclictest1305-21snmpd20:23:400
11029913565,33cyclictest6591-21ntp_states19:30:380
11029913476,39cyclictest805-21rs:main0
11029913466,33cyclictest16724-21ntp_states22:10:450
11029913462,35cyclictest22743-21df_inode22:35:190
11029913367,48cyclictest6442-21chrt23:40:170
11029913367,35cyclictest17144-21ntp_states00:20:430
11029913366,33cyclictest27482-21diskstats20:50:200
11029913365,49cyclictest1305-21snmpd21:23:530
11029913365,34cyclictest1305-21snmpd00:36:440
11029913280,40cyclictest14533-21awk00:10:320
11029913278,40cyclictest25234-21df22:45:170
11029913267,46cyclictest4544-21runrttasks23:31:280
11029913077,40cyclictest1312-21sshd22:21:200
11029913069,19cyclictest9032-21diskstats23:50:230
11029913066,31cyclictest5027-21wget19:25:140
11029912968,19cyclictest7634-21df19:35:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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