On Fri, Mar 12, 2010 at 09:53:16PM +0000, Darran Hunt wrote: > Module Name: src > Committed By: darran > Date: Fri Mar 12 21:53:16 UTC 2010 > > Modified Files: > src/distrib/sets/lists/modules: mi > src/external/cddl/osnet/dev/fbt: fbt.c > src/external/cddl/osnet/dist/uts/common/dtrace: dtrace.c > src/sys/modules/dtrace: Makefile > src/sys/sys: module.h > Added Files: > src/sys/modules/dtrace/fbt: Makefile > > Log Message: > DTrace: Add the Function Boundary Trace (FBT) provider moduile. This > module instruments every function in the kernel with entry and exit > probes. These probes are true zero-effect probes in that they don't > exist in the code until they are enabled. The probes are enabled by > directly patching the function entry and exit points to make jumps into > the dtrace framework. > This gives us over 29,000 trace points in the kernel. Amazing work! However, > +#include <machine/cpu.h> > +#include <machine/cpufunc.h> > +#include <machine/specialreg.h> > +#if 0 > +#include <x86/cpuvar.h> > +#endif > +#include <x86/cputypes.h> > + > +#define ELFSIZE ARCH_ELFSIZE > +#include <sys/exec_elf.h> As this is obviously MD code, the source should be organised in a way so that at least it is clear that the functionality is not available on archs other than i386 and amd64. -- Quentin Garnier - cube%cubidou.net@localhost - cube%NetBSD.org@localhost "See the look on my face from staying too long in one place [...] every time the morning breaks I know I'm closer to falling" KT Tunstall, Saving My Face, Drastic Fantastic, 2007.
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