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about QTro packet (tracepoints)
- From: ankit thukral <ankit_plug at yahoo dot com>
- To: gdb at sources dot redhat dot com
- Date: Tue, 30 Sep 2003 23:23:41 -0700 (PDT)
- Subject: about QTro packet (tracepoints)
hi all,
i was reading the packets' format in GDB for
tracepoints (like QTStart,QTinit etc.) and came
across
"QTro" packet format.i learned that this packet
transmits the addresses of all the LOADABLE
READ-ONLY
sections to the remote stub so that the latter can
always entertain a request for data belonging to
these
address ranges,even if this was not specified as a
tracepoint action by the user.
would it not be a better option to let the
remote stub collect this information of it's own
(from
it's own copy of the executable) rather than GDB
transmitting it across the network which definitely
is
more costly in terms of time delay suffered by the
process which becomes all the more costly while
debugging a real-time application?
hoping for a discussion on this,
ankit.
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