1 // $Id: profile.h,v 1.1.2.2 2011/05/30 06:46:18 svemula Exp $
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38 #include "profile_config.h"
40 #ifdef PROC_MICROBLAZE
41 #include "mblaze_nt_types.h"
48 void _system_init( void ) ;
49 void _system_clean( void ) ;
50 void mcount(unsigned long frompc, unsigned long selfpc);
51 void profile_intr_handler( void ) ;
55 /****************************************************************************
56 * Profiling on hardware - Hash table maintained on hardware and data sent
57 * to xmd for gmon.out generation.
58 ****************************************************************************/
60 * histogram counters are unsigned shorts (according to the kernel).
62 #define HISTCOUNTER unsigned short
72 unsigned long frompc ;
78 * general rounding functions.
80 #define ROUNDDOWN(x,y) (((x)/(y))*(y))
81 #define ROUNDUP(x,y) ((((x)+(y)-1)/(y))*(y))
84 * The profiling data structures are housed in this structure.
89 // Histogram Information
90 unsigned short *kcount; /* No. of bins in histogram */
91 unsigned long kcountsize; /* Histogram samples */
93 // Call-graph Information
94 struct fromstruct *froms;
95 unsigned long fromssize;
97 unsigned long tossize;
99 // Initialization I/Ps
101 unsigned long highpc;
102 unsigned long textsize;
103 //unsigned long cg_froms;
104 //unsigned long cg_tos;
106 extern struct gmonparam *_gmonparam;
107 extern int n_gmon_sections;
110 * Possible states of profiling.
112 #define GMON_PROF_ON 0
113 #define GMON_PROF_BUSY 1
114 #define GMON_PROF_ERROR 2
115 #define GMON_PROF_OFF 3
118 * Sysctl definitions for extracting profiling information from the kernel.
120 #define GPROF_STATE 0 /* int: profiling enabling variable */
121 #define GPROF_COUNT 1 /* struct: profile tick count buffer */
122 #define GPROF_FROMS 2 /* struct: from location hash bucket */
123 #define GPROF_TOS 3 /* struct: destination/count structure */
124 #define GPROF_GMONPARAM 4 /* struct: profiling parameters (see above) */
130 #endif /* _PROFILE_H */