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/* profile.h - Profiling support interface.
Copyright (C) 2008 Free Software Foundation, Inc.
Written by Neal H. Walfield <neal@gnu.org>.
This file is part of the GNU Hurd.
The GNU Hurd 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 of the
License, or (at your option) any later version.
The GNU Hurd 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 this program. If not, see
<http://www.gnu.org/licenses/>. */
#include <stdint.h>
/* XXX: Note that the implementation is currently not multi-thread
safe. */
/* Currently, only enable by default for Viengoos. */
#ifdef RM_INTERN
#define NPROFILE
#endif
#ifndef NPROFILE
/* Start a timer for the profile site ID (this must be unique per
site, can be the function's address). NAME is the symbolic
name. */
extern void profile_start (uintptr_t id, const char *name, const char *name2);
/* End the timer for the profile site ID. */
extern void profile_end (uintptr_t id);
extern void profile_stats_dump (void);
#else
#define profile_start(id, name, name2) do { } while (0)
#define profile_end(id) do { } while (0)
#define profile_stats_dump() do { } while (0)
#endif
#define profile_region(__pr_name) \
{ \
uintptr_t __pr_id_ = (uintptr_t) __func__ + (uintptr_t) (__pr_name); \
profile_start (__pr_id_, __func__, (__pr_name))
#define profile_region_end() \
profile_end (__pr_id_); \
}
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