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2026-05-09 - 11:23
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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 all highest latencies:
System rack7slot8.osadl.org (updated Fri May 08, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2188627240,13sleep021888-21cut07:05:110
230679914155,36cyclictest1276-21runrttasks09:02:130
230679913677,43cyclictest26226-21seq11:30:410
230679913655,39cyclictest939-21/usr/sbin/munin07:50:040
230679913568,48cyclictest28251-21wget07:30:140
230679913457,38cyclictest14139-21diskstats08:40:230
230679913457,21cyclictest21983-21diskstats09:10:230
230679913254,38cyclictest32397-21fw_conntrack09:50:410
230679913151,62cyclictest3335-21apt-get10:07:090
230679913148,24cyclictest937-21apt-get07:52:120
230679913055,21cyclictest30501-21apt-get07:42:120
230679913048,39cyclictest5350-21apt-get12:17:060
230679912959,34cyclictest8075-21ntp_states08:15:390
230679912954,37cyclictest22798-21apt-get11:18:170
230679912859,36cyclictest30505-21munin-run07:40:040
230679912656,51cyclictest1305-21snmpd11:22:060
230679912653,36cyclictest12591-21wget10:40:130
230679912555,51cyclictest27006-21/usr/sbin/munin11:35:080
230679912553,36cyclictest1328-21ntp_states09:55:410
230679912451,35cyclictest1974-21runrttasks12:05:030
230679912447,20cyclictest23786-21apt-get09:17:100
230679912354,51cyclictest21539-21gpgv11:15:040
230679912354,32cyclictest1305-21snmpd12:12:170
230679912351,34cyclictest12786-21wget08:35:150
230679912351,20cyclictest10504-21grep12:35:420
230679912350,20cyclictest6172-21memory12:20:360
230679912260,21cyclictest11538-21fw_forwarded_lo10:35:260
230679912258,44cyclictest29921-21seq09:41:040
230679912250,19cyclictest2416-21df_inode10:00:200
230679912248,37cyclictest1305-21snmpd08:06:160
230679912168,32cyclictest31637-21http09:50:040
230679912157,46cyclictest19909-21runrttasks11:10:030
230679912151,20cyclictest8941-21chrt12:30:120
230679912151,19cyclictest7275-21df12:25:150
230679912150,19cyclictest24689-21irqstats07:15:310
230679912073,36cyclictest25789-21if_eth009:25:280
230679912068,34cyclictest1305-21snmpd11:42:090
230679912058,47cyclictest16461-21wget08:50:120
230679912057,22cyclictest27289-21ntp_states07:25:390
230679912057,22cyclictest24599-21memory09:20:320
230679911973,36cyclictest17661-21aten_r7power_cu08:55:130
230679911956,45cyclictest1276-21runrttasks10:15:400
230679911956,44cyclictest0-21swapper/007:21:030
230679911948,34cyclictest18663-21munin-run11:05:020
230679911873,35cyclictest23759-21/usr/sbin/munin07:10:480
230679911872,36cyclictest1305-21snmpd10:30:410
230679911857,43cyclictest26764-21/usr/sbin/munin09:30:160
230679911848,50cyclictest30830-21wget11:50:110
230679911777,31cyclictest6683-21fw_forwarded_lo08:10:260
230679911761,37cyclictest787-21haveged08:30:250
230679911748,48cyclictest15165-21/usr/sbin/munin08:45:340
230679911748,34cyclictest3837-21munin-run08:00:020
230679911745,56cyclictest48852sleep008:03:170
230679911671,36cyclictest5258-21/usr/sbin/munin10:10:140
230679911652,24cyclictest10063-21chrt08:24:560
230679911645,35cyclictest2477-21ntp_states12:05:420
230679911565,38cyclictest7953-21chrt10:20:350
230679911551,31cyclictest31995-21/usr/sbin/munin11:55:210
230679911481,22cyclictest9222-21ntp_states10:25:420
230679911462,34cyclictest1305-21snmpd11:27:070
230679911454,23cyclictest17005-21chrt10:56:410
230679911451,47cyclictest11278-21chrt08:29:430
230679911358,38cyclictest13798-21/usr/sbin/munin10:45:520
230679911352,42cyclictest1408-21nginx10:55:000
230679911256,44cyclictest28241-21fw_forwarded_lo09:35:260
230679911244,32cyclictest1305-21snmpd09:06:300
230679911160,39cyclictest2010-21node11:45:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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