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List:       net-snmp-bugs
Subject:    [ net-snmp-Bugs-2413581 ] 32bit snmpd returns 0 PerfMem val of 64bit
From:       "SourceForge.net" <noreply () sourceforge ! net>
Date:       2008-12-10 10:53:16
Message-ID: E1LAMgu-0004ZE-0A () g45xhf1 ! ch3 ! sourceforge ! com
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Bugs item #2413581, was opened at 2008-12-10 11:53
Message generated for change (Tracker Item Submitted) made by Item Submitter
You can respond by visiting: 
https://sourceforge.net/tracker/?func=detail&atid=112694&aid=2413581&group_id=12694

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including the initial issue submission, for this request,
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Category: agent
Group: solaris
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: NTwoO (ntwoo)
Assigned to: Nobody/Anonymous (nobody)
Summary: 32bit snmpd returns 0 PerfMem val of 64bit apps. Solaris

Initial Comment:
net-snmp compiled as 32 bit binary returns zero for the hrSwRunPerfMem field of 64 \
bit applications on the host. This is an artifact of the Solaris operating system. \
The value read from the /proc/<PID>/psinfo struct differs in size for 32 bit and 64 \
bit applications. If a 32 bit binary tries to access the data from a 64 bit \
application, the OS fills in 0. 

A workaround is possible using the 15 bit percentage of memory usage that is \
available in the same struct. The resolution of the returned value is obviously lower \
than in native 64 bit mode, but is better than nothing. Usage of this field may \
become clear in the patch I added. 

PatchID: 2406378

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