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2025-12-20 - 04:17
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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 Dec 20, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427027120,11sleep04268-21aten_r7power_vo19:05:150
5356999974,14cyclictest0-21swapper/019:10:040
535699997,36cyclictest4821-21apt-get23:27:100
5356999939,42cyclictest0-21swapper/000:26:430
5356999939,20cyclictest29107-21ntpq22:51:240
5356999925,36cyclictest754-21systemd-journal23:03:260
5356999922,58cyclictest1305-21snmpd22:39:280
5356999840,39cyclictest11206-21ntp_states21:40:470
5356999746,34cyclictest206532sleep020:10:300
5356999736,41cyclictest787-21haveged21:37:000
5356999656,31cyclictest1276-21runrttasks21:05:200
5356999550,33cyclictest29798-21runrttasks20:45:520
5356999510,68cyclictest10150irq/55-4a10000000:05:200
5356999318,23cyclictest25763-21ntp_states20:30:380
5356999243,31cyclictest12941-21aten_r7power_cu19:40:100
5356999223,34cyclictest16882-21memory00:10:340
5356999138,35cyclictest19316-21runrttasks00:20:270
5356999121,33cyclictest754-21systemd-journal23:20:020
5356999120,52cyclictest13790-21/usr/sbin/munin21:50:430
5356999118,37cyclictest6024-21df_inode21:20:170
5356999041,32cyclictest28161-21https22:50:080
5356999021,33cyclictest31139-21ntp_states20:50:440
5356999018,35cyclictest9898-21sshd19:26:340
5356999017,37cyclictest14525-21/usr/sbin/munin21:55:530
5356999017,36cyclictest18573-21apt-get00:17:020
5356998946,31cyclictest19912-21ntpq22:15:450
5356998926,38cyclictest24342-21diskstats20:25:220
5356998926,21cyclictest23090-21df_inode20:20:180
5356998918,36cyclictest20861-21wget22:20:150
5356998916,53cyclictest1424-21/usr/sbin/munin23:10:300
5356998915,34cyclictest21869-21memory00:30:320
5356998844,33cyclictest30093-21fw_forwarded_lo22:55:250
5356998830,45cyclictest10250irq/56-4a10000021:28:490
5356998829,40cyclictest22827-21grep00:35:130
5356998823,34cyclictest32363-21ntp_states20:55:390
5356998818,34cyclictest1305-21snmpd21:18:470
5356998814,35cyclictest1305-21snmpd19:38:270
535699879,38cyclictest7447-21apt-get19:17:100
5356998762,10cyclictest101ktimersoftd/019:48:280
5356998737,14cyclictest1276-21runrttasks21:30:280
5356998724,46cyclictest16380-21awk22:00:490
5356998716,33cyclictest15799-21ntp_states19:50:380
5356998715,34cyclictest10503-21df23:45:210
5356998643,31cyclictest22568-21sshd20:18:260
5356998621,33cyclictest22016-21/usr/sbin/munin22:25:130
5356998616,34cyclictest3373-21runrttasks21:10:150
5356998612,21cyclictest13925-21/usr/sbin/munin00:00:070
5356998559,11cyclictest101ktimersoftd/000:01:380
5356998554,21cyclictest10886-21proc_pri19:30:450
5356998547,26cyclictest19543-21ntp_states20:05:420
5356998545,31cyclictest27921-21aten_r7power_en20:40:120
5356998437,35cyclictest8295-21awk19:20:360
5356998430,42cyclictest1305-21snmpd23:36:320
5356998426,19cyclictest16840-21seq19:55:200
5356998418,50cyclictest10250irq/56-4a10000023:33:020
5356998416,49cyclictest9125-21wget23:40:140
5356998354,19cyclictest24355-21runrttasks22:34:530
5356998353,12cyclictest10150irq/55-4a10000022:05:160
5356998350,23cyclictest801-21dbus-daemon20:40:000
5356998346,27cyclictest2010-21node21:47:180
5356998342,28cyclictest19107-21seq22:12:410
5356998256,18cyclictest4856-21cut23:25:050
5356998230,40cyclictest18113-21diskstats20:00:230
5356998220,47cyclictest1305-21snmpd23:51:340
5356998130,41cyclictest25941-21df22:40:170
5356998116,32cyclictest548-21seq23:06:090
5356997934,30cyclictest10250irq/56-4a10000021:01:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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