trace_processor.h

TRACE的源代码,在LINUX调试程序要使用的.

#ifndef __TRACE_PROCESSOR_H
#define __TRACE_PROCESSOR_H

/*  This file (trace_processor.h) was created by Ron Rechenmacher <[e-mail]> on
    June 1, 2000. "TERMS AND CONDITIONS" governing this file are in the README
    or COPYING file. If you do not have such a file, one can be obtained by
    contacting Ron or Fermi Lab in Batavia IL, 60510, phone: [phone].
*/
#define __TRACE_PROCESSOR_H_REV	"\
$RCSfile: trace_processor.h,v $(ppc)\
$Revision: 1.3 $\
$Date: 2001/08/16 21:43:29 $"

#include <linux/config.h>	/* CONFIG_PPC, CONFIG_6xx */

#define TIME_WIDTH			20

#if defined(CONFIG_PPC) && defined(CONFIG_6xx)

# define TRACE_INIT_SPECIFIC

# define TRACE_CONTROL_SPECIFIC_READ(ss)
# define TRACE_CONTROL_SPECIFIC_WRITE(ss)

# define TRACE_PRINT_HEADING		{"cycle",20,'L',TRACE_OFFSET(cycle)},

# define TRACE_CLOCK_READ	({register unsigned long long _r_;\
                                  register unsigned           rx,ry,rz;\
				  do\
				  {__asm__ volatile("mfspr %0,269" : "=r" (rx) :);  /* mftbl timebaseupper */\
				   __asm__ volatile("mfspr %0,268" : "=r" (ry) :);  /* mftbl timebaselower */\
				   __asm__ volatile("mfspr %0,269" : "=r" (rz) :);  /* mftbl timebaseupper */\
				  } while (rz != rx);\
				  _r_ = rx;\
				  _r_ <<= 32;\
				  _r_ += ry;\
				  _r_;\
                                 })

# define TRACE_ENTRY_MEMBERS		unsigned long long  cycle
# define TRACE_ENTRY_SPECIFIC(ep)	do\
                                        {   ep->cycle = TRACE_CLOCK_READ;\
                                        } while (0)

# define TRACE_RDPMC(dst1,cntr)

#else

# define TRACE_INIT_SPECIFIC

# define TRACE_CONTROL_SPECIFIC_READ(ss)
# define TRACE_CONTROL_SPECIFIC_WRITE(ss)

# define TRACE_PRINT_HEADING

# define TRACE_ENTRY_MEMBERS
# define TRACE_ENTRY_SPECIFIC(ep)

# define TRACE_RDPMC(dst1,cntr)

#endif /* else defined(CONFIG_PPC) && defined(CONFIG_6xx) */

#endif /* __TRACE_PROCESSOR_H */