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From: Bruce Evans <bde@FreeBSD.org>
Date: Sun, 23 May 2004 11:38:27 -0700 (PDT)
To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org,
	cvs-all@FreeBSD.org
X-FreeBSD-CVS-Branch: HEAD
Subject: cvs commit: src/sys/conf files.amd64
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bde         2004/05/23 11:38:27 PDT

  FreeBSD src repository

  Modified files:
    sys/conf             files.amd64 
  Log:
  Build prof_machdep.c if profiling.
  
  Kernel profiling for amd64's (normal and high resolution) should now
  compile and work as (un)well as on i386's.  It works better than user
  profiling because:
  - it uses _cyg_profile_func_*() instead of .mcount(), so it doesn't suffer
    from gcc misspelling .mcount as mcount.
  - it doesn't neglect saving %rax in .mcount().
  
  The SMP case hasn't been tested.  The high resolution subcase of this uses
  the i8254, and as on i386's, the locking for this is deficient and the
  i8254 is too inefficient.  The acpi timer is also too inefficient.
  
  Revision  Changes    Path
  1.35      +1 -0      src/sys/conf/files.amd64