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2026-05-28 - 08:44
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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 May 27, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17765221029,50sleep00-21swapper/007:07:280
181319914363,60cyclictest1408-21nginx08:49:360
181319914264,57cyclictest27724-21basename12:00:150
181319913862,39cyclictest22355-21ntp_states07:25:390
181319913855,25cyclictest6164-21df10:35:170
181319913559,35cyclictest2010-21node07:34:210
181319913557,57cyclictest3060-21sshd12:28:500
181319913363,31cyclictest16314-21/usr/sbin/munin09:10:280
181319913251,25cyclictest14574-21apt-get11:12:130
181319913171,40cyclictest7267-21wget10:40:120
181319913164,46cyclictest28296-21cpu07:50:140
181319913157,38cyclictest31675-21http10:10:040
181319913065,24cyclictest801-21dbus-daemon09:40:010
181319913059,20cyclictest22308-21sshd09:35:080
181319913058,36cyclictest31664-21apt-get10:12:120
181319913056,54cyclictest754-21systemd-journal09:00:000
181319913056,21cyclictest4951-21diskstats10:30:240
181319913054,36cyclictest1-21systemd10:50:260
181319912973,36cyclictest29166-21latency_hist10:00:030
181319912970,21cyclictest31070-21ntp_states08:00:390
181319912967,45cyclictest3182-21sshd08:17:220
181319912959,51cyclictest6169-21wget08:30:110
181319912958,34cyclictest14613-21https11:10:070
181319912872,36cyclictest19291-21ps11:25:460
181319912853,35cyclictest8864-21ntp_states10:45:380
181319912844,36cyclictest304-21ntp_states08:06:150
181319912680,35cyclictest24604-21/usr/sbin/munin07:35:140
181319912663,21cyclictest30545-21apt08:00:000
181319912660,47cyclictest805-21rs:main0
181319912654,36cyclictest3875-21fw_forwarded_lo08:20:270
181319912652,39cyclictest7555-21diskstats08:35:200
181319912648,35cyclictest18073-21apt-get09:17:030
181319912573,33cyclictest25178-21/usr/sbin/munin09:45:120
181319912561,21cyclictest1276-21runrttasks12:00:050
181319912555,36cyclictest29770-21sshd12:05:480
181319912554,34cyclictest1292-21df08:10:150
181319912363,41cyclictest11365-21runrttasks10:55:440
181319912361,21cyclictest788-21memory12:20:320
181319912351,34cyclictest17457-21munin-run11:20:030
181319912349,37cyclictest1305-21snmpd08:27:040
181319912168,40cyclictest4873-21diskstats12:35:200
181319912160,31cyclictest23941-21sshd09:40:100
181319912156,23cyclictest20218-21apt-get07:17:090
181319912151,29cyclictest1480-21munin-node12:15:100
181319912079,31cyclictest9003-21ntpq08:40:380
181319912076,33cyclictest25260-21runrttasks11:50:240
181319912069,40cyclictest1761-21chrt10:17:030
181319912060,43cyclictest1408-21nginx11:04:500
181319912051,54cyclictest18383-21chrt07:10:160
181319911973,34cyclictest1408-21nginx10:24:480
181319911960,19cyclictest27544-21munin-run09:55:020
181319911958,20cyclictest754-21systemd-journal11:40:420
181319911954,46cyclictest18819-21fw_conntrack09:20:250
181319911954,34cyclictest1305-21snmpd09:27:170
181319911949,34cyclictest20156-21wget11:30:150
181319911948,33cyclictest29539-21fw_conntrack10:00:240
181319911870,35cyclictest27125-21df07:45:150
181319911773,32cyclictest4105-21seq12:31:150
181319911758,20cyclictest11313-21fw_conntrack08:50:220
181319911757,41cyclictest24190-21ntp_states11:45:390
181319911664,39cyclictest3734-21sshd10:25:250
181319911650,29cyclictest17666-21wget11:20:100
181319911576,21cyclictest21307-21/usr/sbin/munin11:35:180
181319911463,38cyclictest20921-21df_inode07:20:170
181319911357,29cyclictest30592-21cpu12:10:150
181319911249,45cyclictest1276-21runrttasks07:42:280
181319911169,34cyclictest15051-21fw_conntrack09:05:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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