io_ss man page on IRIX

io_ss man page on IRIX

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IO_SS(3)							      IO_SS(3)

NAME
     io_ss - SpeedShop I/O tracing library

SYNOPSIS
     See the prototypes for the various I/O system calls

DESCRIPTION
     The SpeedShop Performance Tools contain an I/O tracing library, -lio_ss,
     which provides tracing for various I/O system calls.  The library
     provides intercept functions for calls to open, creat, read, write,
     close, dup, and pipe.

     The tracing library defines both strong and weak symbols for each of
     these calls, and, at initialization time, uses dlopen and dlsym to find
     the standard libc addresses for the real functions.  Programs that
     attempt to provide their own versions for any of these routines may fail,
     or may trace incorrectly, or may otherwise behave unexpectedly, as one of
     either the tracing versions, or the user-supplied versions will never be
     accessed.

     The library is normally not linked or invoked directly; the ssrun(1)
     command will use rld to ensure that the library is in the process'
     address space when an I/O tracing experiment is run.

SEE ALSO
     ssrun(1), prof(1), ssdump(1), speedshop(1).

DIAGNOSTICS
     As ouput from the library routines.

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