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+>Application profiling</TITLE
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+TITLE="CPU Load Measurements"
+HREF="cpuload-functions.html"><LINK
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+TITLE="Profiling functions"
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+><DIV
+CLASS="PART"
+><A
+NAME="SERVICES-PROFILE-GPROF"><DIV
+CLASS="TITLEPAGE"
+><H1
+CLASS="TITLE"
+>XX. Application profiling</H1
+><DIV
+CLASS="PARTINTRO"
+><A
+NAME="AEN15538"><P
+>The profile_gprof package provides a mechanism to measure the
+runtime performance of an application. This is done by gathering
+an execution histogram.</P
+><P
+>When profiling is started on the target device, a
+<TT
+CLASS="FUNCTION"
+>TFTP</TT
+>
+server will be started
+which exports the single file
+<TT
+CLASS="FILENAME"
+>PROFILE.DAT</TT
+>
+This analysis data can then be fetched
+by connecting to the target with a <TT
+CLASS="FUNCTION"
+>TFTP</TT
+>
+client program
+and then be processed by the
+<TT
+CLASS="FUNCTION"
+>gprof</TT
+>
+utility program.
+<DIV
+CLASS="NOTE"
+><BLOCKQUOTE
+CLASS="NOTE"
+><P
+><B
+>NOTE: </B
+>Be sure and specify binary mode transfers for this data file,
+which may not be the default with on some <TT
+CLASS="FUNCTION"
+>TFTP</TT
+>
+client programs.</P
+></BLOCKQUOTE
+></DIV
+>
+<DIV
+CLASS="NOTE"
+><BLOCKQUOTE
+CLASS="NOTE"
+><P
+><B
+>NOTE: </B
+>The port used for this <TT
+CLASS="FUNCTION"
+>TFTP</TT
+> server is
+configurable. The default will be the IETF standard port
+of 69/UDP, but it may be changed to any UDP port via the
+<TT
+CLASS="LITERAL"
+>CYGNUM_PROFILE_TFTP_PORT</TT
+> CDL option.</P
+></BLOCKQUOTE
+></DIV
+></P
+></DIV
+><DIV
+CLASS="TOC"
+><DL
+><DT
+><B
+>Table of Contents</B
+></DT
+><DT
+>52. <A
+HREF="profile-functions.html"
+>Profiling functions</A
+></DT
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+> </TD
+><TD
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+>Profiling functions</TD
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+>
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