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2021-01-23 - 22:19

Intel(R) Atom(TM) CPU E620 @ 600MHz, Linux 3.12.50-rt68 (Profile)

Latency plot of system in rack #7, slot #2
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -n -a0 -t1 -p99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack7slot2.osadl.org (updated Wed Apr 24, 2019 12:43:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1010121254sleep010103-21df07:41:550
1131721064sleep011367-21ssh11:27:290
326349910257cyclictest15549-21ntp_states07:57:420
326349910057cyclictest1-21init09:17:060
326349910056cyclictest28980-21memory12:02:170
326349910055cyclictest8919-21ntp_states07:37:120
326349910055cyclictest8421-21diskstats11:22:100
326349910052cyclictest23249-21diskstats08:21:530
326349910013cyclictest17613-21ssh10:36:440
32634999953cyclictest11933-21ssh09:21:430
32634999812cyclictest12543-21ssh10:26:430
32634999786cyclictest28162-21ssh10:57:030
32634999754cyclictest7238-21df_inode09:11:510
32634999752cyclictest2260-21diskstats08:56:510
32634999752cyclictest18165-21ssh11:41:440
32634999752cyclictest10225-21diskstats10:21:560
32634999751cyclictest16285-21/usr/sbin/munin11:37:180
32634999655cyclictest3247-21df_inode11:11:550
32634999655cyclictest24693-21sendmail-mta08:26:420
32634999654cyclictest23875-21ssh11:52:160
32634999653cyclictest2350-21ntp_states07:17:390
32634999652cyclictest7545-21ssh10:16:440
32634999652cyclictest14382-21ssh12:37:230
32634999652cyclictest13891-21proc_pri07:52:110
32634999554cyclictest3059-21ssh10:07:160
32634999551cyclictest5833-21diskstats11:16:560
32634999549cyclictest16084-21/usr/sbin/munin12:42:170
32634999512cyclictest3903-21ssh12:17:030
32634999451cyclictest31256-21perl12:07:020
32634999451cyclictest17257-21diskstats09:31:560
32634999450cyclictest15769-21ls10:32:180
32634999449cyclictest30075-21fschecks_count09:57:010
32634999412cyclictest25533-21ssh10:51:580
32634999383cyclictest4392-21snmpd11:57:370
32634999383cyclictest19608-21tr09:36:430
32634999353cyclictest20707-21basename11:46:440
32634999353cyclictest1222-21ntp_states11:07:210
32634999350cyclictest11447-21perl12:32:020
32634999349cyclictest5635-21memory10:12:170
32634999349cyclictest4500-21runrttasks07:31:420
32634999349cyclictest1680-21memory12:12:330
32634999348cyclictest4264-21memory09:02:010
32634999348cyclictest22320-21/usr/sbin/munin08:17:160
32634999282cyclictest29604-21/usr/sbin/munin08:41:430
32634999253cyclictest12000-21irqstats07:46:580
32634999252cyclictest9169-21memory12:27:170
32634999250cyclictest27449-21ssh09:51:560
32634999250cyclictest14032-21switchtime11:32:340
32634999181cyclictest6023-21grep12:21:440
32634999180cyclictest19761-21/usr/sbin/munin08:11:420
32634999151cyclictest4283-21timerwakeupswit07:22:180
32634999146cyclictest32558-21diskstats10:01:560
32634999112cyclictest14479-21ssh09:26:440
32634999080cyclictest856-21ls07:12:170
32634999080cyclictest63-21mmcqd/010:41:440
32634999080cyclictest27272-21timerwakeupswit08:32:160
32634999048cyclictest24905-21diskstats09:46:570
32634999046cyclictest1310-21/usr/sbin/munin08:52:160
32634999012cyclictest22847-21ssh10:47:010
32634998979cyclictest63-21mmcqd/011:01:440
32634998947cyclictest17020-21memory08:02:040
32634998946cyclictest31769-21ls08:47:020
32634998946cyclictest18564-21irqstats08:06:570
32634998878cyclictest28870-21timerandwakeup08:37:160
32634998848cyclictest22757-21ssh09:42:160
32634998575cyclictest5419-21aten_r7power_en09:06:440
32634998172cyclictest5940-21date07:27:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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