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/* This file is part of GEGL
*
* GEGL is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* GEGL 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with GEGL; if not, see <http://www.gnu.org/licenses/>.
*
* Copyright 2006 Øyvind Kolås
*/
#ifndef GEGL_INSTRUMENT_H
#define GEGL_INSTRUMENT_H
extern gboolean gegl_instrument_enabled;
/* return number of usecs since gegl was initialized */
long gegl_ticks (void);
/* start tracking times with gegl_instrument */
void gegl_instrument_enable (void);
#define GEGL_INSTRUMENT_START() \
{ long _gegl_instrument_ticks = 0; \
if (gegl_instrument_enabled) { _gegl_instrument_ticks = gegl_ticks (); }
#define GEGL_INSTRUMENT_END(parent, scale) \
if (gegl_instrument_enabled) { \
real_gegl_instrument (parent, scale, gegl_ticks () - _gegl_instrument_ticks); \
} \
}
/* store a timing instrumentation (parent is expected to exist,
* and to keep it's own record of the time-slice reported) */
#define gegl_instrument(parent, scale, usecs) \
{ if (gegl_instrument_enabled) { \
real_gegl_instrument (parent, scale, usecs); \
} }
void real_gegl_instrument (const gchar *parent,
const gchar *scale,
long usecs);
/* create a utf8 string with bar charts for where time disappears
* during a gegl-run
*/
gchar * gegl_instrument_utf8 (void);
#endif
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