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2026-03-20 - 17:39
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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 Fri Mar 20, 2026 13:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2678427120,10sleep026290-21/usr/sbin/munin07:05:310
274749915162,34cyclictest19433-21apt-get10:57:100
274749914878,30cyclictest1408-21nginx08:49:370
274749914257,32cyclictest1657-21aten_r7power_en11:50:200
274749914171,36cyclictest1408-21nginx12:25:190
274749914069,19cyclictest20324-21apt-get08:51:090
274749913967,36cyclictest18259-21sshd08:40:310
274749913966,51cyclictest754-21systemd-journal09:50:380
274749913872,50cyclictest22451-21/usr/sbin/munin11:05:500
274749913762,56cyclictest706-21systemctl09:40:010
274749913762,54cyclictest9989-21sshd10:15:430
274749913761,37cyclictest1305-21snmpd10:10:370
274749913664,33cyclictest16927-21sshd08:35:230
274749913571,47cyclictest27949-21runrttasks07:10:380
274749913563,33cyclictest29765-21diskstats09:25:190
274749913560,54cyclictest13216-21sh10:30:010
274749913559,23cyclictest1305-21snmpd12:30:100
274749913548,33cyclictest31000-21df_inode09:30:190
274749913462,36cyclictest27661-21/usr/sbin/munin09:15:490
274749913460,35cyclictest16438-21users10:40:500
274749913459,36cyclictest754-21systemd-journal09:05:380
274749913365,48cyclictest19446-21http10:55:040
274749913357,36cyclictest6594-21fw_forwarded_lo07:55:270
274749913262,52cyclictest9166-21wget12:20:100
274749913262,34cyclictest31426-21munin-run11:40:030
274749913162,35cyclictest12489-21apt-get08:17:200
274749913161,36cyclictest31585-21wget11:40:120
274749913155,57cyclictest1305-21snmpd08:56:440
274749913064,50cyclictest13238-21wget12:35:080
274749913057,35cyclictest7335-21fw_conntrack10:05:230
274749913056,35cyclictest6833-21fw_forwarded_lo12:10:230
274749912980,37cyclictest801-21dbus-daemon10:40:000
274749912968,39cyclictest13177-21df_inode08:20:180
274749912958,32cyclictest2954-21wget11:55:180
274749912955,41cyclictest1769-21ntp_states07:35:420
274749912862,49cyclictest13334-21/usr/sbin/munin10:30:470
274749912860,32cyclictest3902-21wget07:45:110
274749912856,53cyclictest30380-21runrttasks07:20:300
274749912769,20cyclictest31401-21sshd07:25:130
274749912758,32cyclictest1305-21snmpd08:14:580
274749912756,37cyclictest4327-21diskstats12:00:210
274749912753,35cyclictest754-21systemd-journal07:50:190
274749912674,38cyclictest787-21haveged10:00:050
274749912663,21cyclictest21494-21irqstats11:00:320
274749912659,32cyclictest812-21avahi-daemon11:15:110
274749912565,35cyclictest29054-21/usr/sbin/munin11:30:120
274749912562,44cyclictest5923-21grep10:00:120
274749912562,44cyclictest11299-21proc_pri10:20:450
274749912555,35cyclictest14623-21ntp_states08:25:420
274749912555,33cyclictest7672-21wget08:00:130
274749912470,41cyclictest852-21/usr/sbin/munin09:40:500
274749912463,21cyclictest29059-21/usr/sbin/munin07:15:270
274749912463,20cyclictest5602-21fw_forwarded_lo12:05:280
274749912455,32cyclictest8913-21wget08:05:140
274749912370,41cyclictest17068-21/usr/sbin/munin10:45:500
274749912365,19cyclictest28532-21diskstats09:20:220
274749912362,22cyclictest754-21systemd-journal08:31:370
274749912359,49cyclictest25181-21latency_hist11:15:030
274749912359,21cyclictest527-21df_inode11:45:190
274749912271,38cyclictest26779-21diskstats11:20:220
274749912270,38cyclictest26926-21latency_hist09:15:030
274749912259,23cyclictest3021-21ntp_states07:40:370
274749912059,39cyclictest7837-21chrt12:15:080
274749911957,41cyclictest27901-21aten_r7power_po11:25:140
274749911954,49cyclictest23410-21wget09:00:140
274749911869,33cyclictest32758-21diskstats07:30:210
274749911866,40cyclictest2370-21/usr/sbin/munin09:45:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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