gtk2/gdk/capture/sp-clock.h
Matthias Clasen 032bb45ce3 gdk: Add a profiler
This is writing data in the capture format of sysprof,
using the SpCaptureWriter. For now, this is using a
vendored copy of libsysprof. Eventually, we want to
use the static library that sysprof provides.
2019-05-07 09:37:59 -07:00

56 lines
1.3 KiB
C

/* sp-clock.h
*
* Copyright © 2016 Christian Hergert <chergert@redhat.com>
*
* This file 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 2 of the License, or (at your option)
* any later version.
*
* This file 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 General Public License along
* with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SP_CLOCK_H
#define SP_CLOCK_H
#include <glib.h>
#include <time.h>
G_BEGIN_DECLS
typedef gint SpClock;
typedef gint64 SpTimeStamp;
typedef gint32 SpTimeSpan;
extern SpClock sp_clock;
static inline SpTimeStamp
sp_clock_get_current_time (void)
{
struct timespec ts;
clock_gettime (sp_clock, &ts);
return (ts.tv_sec * G_GINT64_CONSTANT (1000000000)) + ts.tv_nsec;
}
static inline SpTimeSpan
sp_clock_get_relative_time (SpTimeStamp epoch)
{
return sp_clock_get_current_time () - epoch;
}
void sp_clock_init (void);
G_END_DECLS
#endif /* SP_CLOCK_H */