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HP/PAK Performance Analysis Tools User's Guide: HP 9000 Series 700/800 Computers > Chapter 3 Puma Concepts

How Puma Generates Procedure Names

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In the Call Tree Analysis windows, you can direct Puma to display performance metrics by procedure (routine). This section describes the naming conventions that Puma uses when displaying procedure names.

When Puma can determine a procedure's name, it displays the name in case-correct format. For example:

   XOpenDisplay

For procedures in dynamically loaded libraries, Puma cannot identify the procedure names unless you identify the library before data collection begins (using the Options menu on the Data Collection window). The default entry in the Libraries option is *.c. This entry causes Puma to collect data from all dynamically loaded libraries, but, without the actual library names, it does not load their symbol tables. Puma cannot, therefore, determine the names of the procedures defined in the libraries. In this situation, Puma displays the full pathname of the dynamically loaded library rather than the procedure name. For example:

   /usr/shlib/libc.sl

There are two conditions under which Puma is unable to determine the name of the procedure associated with a call frame:

  • The procedure's name was omitted from the binary, as dictated by the options used in compilation and linking.

  • The procedure has a nonstandard call frame format (for example, for some assembly language procedures).

In this situation, Puma displays the virtual address of the procedure rather than its name. For example:

   va(xxxx)

where xxxx is the va (virtual address) of the procedure.

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