52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
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* This file specifies the format of gmon.out files. It should have
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* as few external dependencies as possible as it is going to be
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* included in many different programs. That is, minimize the
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* number of #include's.
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*
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* A gmon.out file consists of a header (defined by gmon_hdr) followed
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* by a sequence of records. Each record starts with a one-byte tag
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* identifying the type of records, followed by records specific data.
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*/
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#ifndef gmon_out_h
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#define gmon_out_h
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#define GMON_MAGIC "gmon" /* magic cookie */
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#define GMON_VERSION 1 /* version number */
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/*
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* Raw header as it appears on file (without padding):
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*/
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struct gmon_hdr
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{
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char cookie[4];
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char version[4];
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char spare[3 * 4];
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};
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/* types of records in this file: */
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typedef enum
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{
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GMON_TAG_TIME_HIST = 0, GMON_TAG_CG_ARC = 1, GMON_TAG_BB_COUNT = 2
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}
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GMON_Record_Tag;
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struct gmon_hist_hdr
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{
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char low_pc[sizeof (char*)]; /* base pc address of sample buffer */
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char high_pc[sizeof (char*)]; /* max pc address of sampled buffer */
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char hist_size[4]; /* size of sample buffer */
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char prof_rate[4]; /* profiling clock rate */
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char dimen[15]; /* phys. dim., usually "seconds" */
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char dimen_abbrev; /* usually 's' for "seconds" */
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};
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struct gmon_cg_arc_record
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{
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char from_pc[sizeof (char*)]; /* address within caller's body */
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char self_pc[sizeof (char*)]; /* address within callee's body */
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char count[4]; /* number of arc traversals */
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};
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#endif /* gmon_out_h */
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