From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Mon, 06 Mar 2006 22:23:00 -0000
From: "hunt at redhat dot com" <sourceware-bugzilla@sourceware.org>
To: systemtap@sources.redhat.com
Message-ID: <20060306222343.2427.hunt@redhat.com>
Reply-To: sourceware-bugzilla@sourceware.org
Subject: [Bug translator/2427] New: optimization imporvement
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In the syscall tapset, we do lots of things like

argstr = sprintf("%d, %s, %d", $fd,
_struct_sockaddr_u($uservaddr,$addrlen),$addrlen)

Now, if argstr is not used, the argstr assignment is still not optimized out. I
assume this is because the translator has no way of knowing what
_struct_sockaddr_u() is doing. Is there some way the translator could detect
that it is safe to optimize out or some way we could specify an attribute for
embedded functions to indicate this?

-- 
           Summary: optimization imporvement
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P3
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hunt at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2427

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