/* 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 GNU CC.
+ This file is part of GCC.
- GNU CC 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)
+ 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 3, or (at your option)
any later version.
- GNU CC is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
+ GCC is distributed in the hope that it will be useful, but WITHOUT
+ ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
+ License for more details.
You should have received a copy of the GNU General Public License
- along with GNU CC; 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
/* Timing variables are used to measure elapsed time in various
portions of the compiler. Each measures elapsed user, system, and
- 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 microseconds. The time may be an
+ measured. Times are stored in seconds. The time may be an
absolute time or a time difference; in the former case, the time
base is undefined, except that the difference between two times
produces a valid time difference. */
struct timevar_time_def
{
/* User time in this process. */
- long user;
+ double user;
/* System time (if applicable for this host platform) in this
process. */
- long sys;
+ double sys;
/* Wall clock time. */
- long 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 */