/* Timing variables for measuring compiler performance.
- Copyright (C) 2000 Free Software Foundation, Inc.
+ Copyright (C) 2000-2014 Free Software Foundation, Inc.
Contributed by Alex Samuel <samuel@codesourcery.com>
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
+ the Free Software Foundation; either version 3, or (at your option)
any later version.
GCC is distributed in the hope that it will be useful, but WITHOUT
License for more details.
You should have received a copy of the GNU General Public License
- along with GCC; see the file COPYING. If not, write to the Free
- Software Foundation, 59 Temple Place - Suite 330, Boston, MA
- 02111-1307, USA. */
+ along with GCC; see the file COPYING3. If not see
+ <http://www.gnu.org/licenses/>. */
#ifndef GCC_TIMEVAR_H
#define GCC_TIMEVAR_H
- As a standalone timer, using timevar_start and timevar_stop.
All time elapsed between the two calls is attributed to the
- variable.
+ variable.
*/
-
+
/* This structure stores the various varieties of time that can be
measured. Times are stored in seconds. The time may be an
absolute time or a time difference; in the former case, the time
struct timevar_time_def
{
/* User time in this process. */
- float user;
+ double user;
/* System time (if applicable for this host platform) in this
process. */
- float sys;
+ double sys;
/* Wall clock time. */
- float wall;
+ double wall;
+
+ /* Garbage collector memory. */
+ size_t ggc_mem;
};
-/* An enumeration of timing variable indentifiers. Constructed from
+/* An enumeration of timing variable identifiers. Constructed from
the contents of timevar.def. */
#define DEFTIMEVAR(identifier__, name__) \
- identifier__,
+ identifier__,
typedef enum
{
+ TV_NONE,
#include "timevar.def"
TIMEVAR_LAST
}
timevar_id_t;
#undef DEFTIMEVAR
-extern void init_timevar PARAMS ((void));
-extern void timevar_push PARAMS ((timevar_id_t));
-extern void timevar_pop PARAMS ((timevar_id_t));
-extern void timevar_start PARAMS ((timevar_id_t));
-extern void timevar_stop PARAMS ((timevar_id_t));
-extern void timevar_get PARAMS ((timevar_id_t, struct timevar_time_def *));
-extern void timevar_print PARAMS ((FILE *));
+/* True if timevars should be used. In GCC, this happens with
+ the -ftime-report flag. */
+extern bool timevar_enable;
+
+/* Total amount of memory allocated by garbage collector. */
+extern size_t timevar_ggc_mem_total;
+
+extern void timevar_init (void);
+extern void timevar_push_1 (timevar_id_t);
+extern void timevar_pop_1 (timevar_id_t);
+extern void timevar_start (timevar_id_t);
+extern void timevar_stop (timevar_id_t);
+extern bool timevar_cond_start (timevar_id_t);
+extern void timevar_cond_stop (timevar_id_t, bool);
+extern void timevar_print (FILE *);
/* Provided for backward compatibility. */
-extern long get_run_time PARAMS ((void));
-extern void print_time PARAMS ((const char *, long));
+static inline void
+timevar_push (timevar_id_t tv)
+{
+ if (timevar_enable)
+ timevar_push_1 (tv);
+}
+
+static inline void
+timevar_pop (timevar_id_t tv)
+{
+ if (timevar_enable)
+ timevar_pop_1 (tv);
+}
+
+// This is a simple timevar wrapper class that pushes a timevar in its
+// constructor and pops the timevar in its destructor.
+class auto_timevar
+{
+ public:
+ auto_timevar (timevar_id_t tv)
+ : m_tv (tv)
+ {
+ timevar_push (m_tv);
+ }
+
+ ~auto_timevar ()
+ {
+ timevar_pop (m_tv);
+ }
+
+ private:
+
+ // Private to disallow copies.
+ auto_timevar (const auto_timevar &);
+
+ timevar_id_t m_tv;
+};
+
+extern void print_time (const char *, long);
#endif /* ! GCC_TIMEVAR_H */