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2026-05-12 - 03:53
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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 Mon May 11, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22512221329,54sleep00-21swapper/007:06:110
230319914257,26cyclictest23715-21apt-get11:32:130
230319913662,21cyclictest26408-21cut09:30:130
230319913476,39cyclictest22560-21/usr/sbin/munin09:15:360
230319913463,50cyclictest28488-21ntp_states07:30:400
230319913369,44cyclictest517-21wget12:05:120
230319913364,35cyclictest16225-21munin-run11:00:010
230319913363,50cyclictest1-21systemd12:32:170
230319913361,51cyclictest25822-21users09:26:400
230319913359,37cyclictest3474-21apt-config08:00:170
230319913359,36cyclictest24126-21sshd09:20:560
230319913358,34cyclictest1305-21snmpd08:10:180
230319913263,32cyclictest21211-21sendmail11:20:020
230319913262,49cyclictest22065-21sshd11:21:360
230319913163,48cyclictest29277-21wget11:50:130
230319913159,51cyclictest30086-21/usr/sbin/munin09:45:290
230319913158,35cyclictest16760-21ntp_states11:00:460
230319913157,36cyclictest31714-21ntp_states09:50:400
230319913064,49cyclictest1305-21snmpd09:59:020
230319913056,33cyclictest27243-21ntpq07:25:370
230319912970,44cyclictest15850-21chrt08:49:530
230319912968,20cyclictest19915-21df09:05:180
230319912956,20cyclictest28282-21seq09:36:240
230319912857,34cyclictest17438-21diskstats08:55:240
230319912772,35cyclictest754-21systemd-journal08:10:000
230319912764,31cyclictest13382-21munin-run08:40:020
230319912760,47cyclictest1305-21snmpd08:19:360
230319912759,48cyclictest3060-21http08:00:050
230319912758,32cyclictest7670-21wget10:25:140
230319912755,35cyclictest10533-21open_files10:35:450
230319912670,37cyclictest30625-21wget07:40:110
230319912664,22cyclictest18694-21diskstats09:00:220
230319912660,49cyclictest3650irq/20-4900000007:45:150
230319912658,34cyclictest6662-21/usr/sbin/munin12:30:020
230319912658,34cyclictest4185-21irqstats10:10:300
230319912657,34cyclictest1305-21snmpd11:26:000
230319912655,38cyclictest11898-21/usr/sbin/munin10:40:460
230319912654,39cyclictest23320-21diskstats07:10:210
230319912561,20cyclictest2843-21df10:05:180
230319912558,34cyclictest1276-21runrttasks09:10:190
230319912556,50cyclictest1636-21fw_conntrack10:00:280
230319912471,39cyclictest1276-21runrttasks08:50:080
230319912456,34cyclictest24382-21aten_r7power_en07:15:120
230319912379,34cyclictest7556-21wc10:25:020
230319912363,21cyclictest29087-21fw_forwarded_lo09:40:280
230319912357,23cyclictest13806-21/usr/sbin/munin08:40:290
230319912351,34cyclictest19230-21ntp_states11:10:420
230319912271,40cyclictest31554-21cron12:00:010
230319912260,42cyclictest1305-21snmpd12:10:210
230319912260,20cyclictest3796-21apt-get12:17:110
230319912257,33cyclictest25828-21diskstats07:20:200
230319912167,43cyclictest2010-21node11:40:440
230319912160,21cyclictest9114-21fw_conntrack10:30:270
230319912154,33cyclictest1305-21snmpd11:05:550
230319912074,36cyclictest5898-21apt-get10:17:060
230319912068,38cyclictest30468-21munin-run07:40:010
230319911968,40cyclictest4706-21ntpq12:20:420
230319911966,35cyclictest1305-21snmpd08:34:390
230319911956,20cyclictest25692-21fw_forwarded_lo11:35:280
230319911875,35cyclictest14219-21ntpq10:50:380
230319911870,36cyclictest28908-21seq11:48:370
230319911849,54cyclictest31742-21wget12:00:110
230319911772,34cyclictest8636-21df12:35:210
230319911755,20cyclictest819-21df07:50:190
230319911568,35cyclictest13219-21/usr/sbin/munin10:45:480
230319911552,48cyclictest8650-21wget08:20:160
230319911467,37cyclictest9972-21df_inode08:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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