text: #ifndef _INCLUDE_GUARD_SVG_HELPER_
  #define _INCLUDE_GUARD_SVG_HELPER_
  
  #include "types.h"
  
  extern void open_svg(const char *filename, int cpus, int rows, u64 start, u64 end);
  extern void svg_box(int Yslot, u64 start, u64 end, const char *type);
  extern void svg_sample(int Yslot, int cpu, u64 start, u64 end);
  extern void svg_waiting(int Yslot, u64 start, u64 end);
  extern void svg_cpu_box(int cpu, u64 max_frequency, u64 turbo_frequency);
  
  
  extern void svg_process(int cpu, u64 start, u64 end, const char *type, const char *name);
  extern void svg_cstate(int cpu, u64 start, u64 end, int type);
  extern void svg_pstate(int cpu, u64 start, u64 end, u64 freq);
  
  
  extern void svg_time_grid(void);
  extern void svg_legenda(void);
  extern void svg_wakeline(u64 start, int row1, int row2);
  extern void svg_partial_wakeline(u64 start, int row1, char *desc1, int row2, char *desc2);
  extern void svg_interrupt(u64 start, int row);
  extern void svg_text(int Yslot, u64 start, const char *text);
  extern void svg_close(void);
  
  extern int svg_page_width;
  
  #endif
  