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       1                 :            : // coveragedb.cxx
       2                 :            : // Copyright (C) 2007 Red Hat Inc.
       3                 :            : //
       4                 :            : // This file is part of systemtap, and is free software.  You can
       5                 :            : // redistribute it and/or modify it under the terms of the GNU General
       6                 :            : // Public License (GPL); either version 2, or (at your option) any
       7                 :            : // later version.
       8                 :            : 
       9                 :            : #ifndef COVERAGEDB_H
      10                 :            : #define COVERAGEDB_H
      11                 :            : 
      12                 :            : #include "session.h"
      13                 :            : #include "staptree.h"
      14                 :            : 
      15                 :            : #include <string>
      16                 :            : 
      17                 :            : 
      18                 :            : /*
      19                 :            : 
      20                 :            : tuples: file, line number, column, type of object, name
      21                 :            : values: number of times object "pulled_in", number of times "removed",
      22                 :            : times executed
      23                 :            : 
      24                 :            : if (compiled == 0) object never compiled
      25                 :            : if (compiled > 0) object compiled
      26                 :            : 
      27                 :            : The following are not currently implemented.
      28                 :            : if (executed == 0) never executed
      29                 :            : if (executed > 0) executed
      30                 :            : 
      31                 :            : 
      32                 :            : Want to make sure that the data base accurately reflects testing.
      33                 :            : 1) atomic updates, either commit all or none of information
      34                 :            : 2) only update coverage db compile info, if compile successful
      35                 :            : 3) only update coverage db execute info, if instrumentation run suscessfully
      36                 :            : 
      37                 :            : 
      38                 :            : Would like to have something that looks for interesting features in db:
      39                 :            : 
      40                 :            : list which things are not compile
      41                 :            : list which things are not exectuted
      42                 :            : 
      43                 :            : ratio of compiled/total (overall, by file, by line)
      44                 :            : ratio of executed/total (overall, by file, by line)
      45                 :            : 
      46                 :            : */
      47                 :            : 
      48                 :            : enum db_type {
      49                 :            :   db_type_probe = 1,
      50                 :            :   db_type_function = 2,
      51                 :            :   db_type_local = 3,
      52                 :            :   db_type_global = 4,
      53                 :            : };
      54                 :            : 
      55 [ #  # ][ #  # ]:          0 : class coverage_element {
      56                 :            : public:
      57                 :            :   std::string file;
      58                 :            :   int line;
      59                 :            :   int col;
      60                 :            :   int type;
      61                 :            :   std::string name;
      62                 :            :   std::string parent;
      63                 :            :   int compiled;
      64                 :            :   int executed;
      65                 :            : 
      66                 :            :   coverage_element():
      67                 :            :     line(0), col(0), compiled(0), executed(0) {}
      68                 :            : 
      69                 :          0 :   coverage_element(source_loc &place):
      70                 :            :     file(place.file->name), line(place.line), col(place.column),
      71 [ #  # ][ #  # ]:          0 :     type(0), compiled(0), executed(0) {}
      72                 :            : };
      73                 :            : 
      74                 :            : 
      75                 :            : 
      76                 :            : void print_coverage_info(systemtap_session &s);
      77                 :            : void update_coverage_db(systemtap_session &s);
      78                 :            : 
      79                 :            : #endif
      80                 :            : 
      81                 :            : /* vim: set sw=2 ts=8 cino=>4,n-2,{2,^-2,t0,(0,u0,w1,M1 : */