os/ossrv/genericopenlibs/liboil/src/liboilprofile.h
changeset 0 bde4ae8d615e
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/genericopenlibs/liboil/src/liboilprofile.h	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,98 @@
     1.4 +/*
     1.5 + * LIBOIL - Library of Optimized Inner Loops
     1.6 + * Copyright (c) 2003,2004 David A. Schleef <ds@schleef.org>
     1.7 + * All rights reserved.
     1.8 + *
     1.9 + * Redistribution and use in source and binary forms, with or without
    1.10 + * modification, are permitted provided that the following conditions
    1.11 + * are met:
    1.12 + * 1. Redistributions of source code must retain the above copyright
    1.13 + *    notice, this list of conditions and the following disclaimer.
    1.14 + * 2. Redistributions in binary form must reproduce the above copyright
    1.15 + *    notice, this list of conditions and the following disclaimer in the
    1.16 + *    documentation and/or other materials provided with the distribution.
    1.17 + * 
    1.18 + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    1.19 + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    1.20 + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    1.21 + * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
    1.22 + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    1.23 + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
    1.24 + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    1.25 + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
    1.26 + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
    1.27 + * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
    1.28 + * POSSIBILITY OF SUCH DAMAGE.
    1.29 + */
    1.30 +
    1.31 +#ifndef _LIBOIL_PROFILE_H_
    1.32 +#define _LIBOIL_PROFILE_H_
    1.33 +
    1.34 +#include <liboil/liboilutils.h>
    1.35 +
    1.36 +OIL_BEGIN_DECLS
    1.37 +
    1.38 +#ifdef OIL_ENABLE_UNSTABLE_API
    1.39 +
    1.40 +/**
    1.41 + * OIL_PROFILE_HIST_LENGTH
    1.42 + *
    1.43 + * Internal definition of the number of histogram entries in #OilProfile.
    1.44 + */
    1.45 +#define OIL_PROFILE_HIST_LENGTH 10
    1.46 +
    1.47 +typedef struct _OilProfile OilProfile;
    1.48 +/**
    1.49 + * OilProfile:
    1.50 + *
    1.51 + * An opaque structure representing profiling information.
    1.52 + */
    1.53 +struct _OilProfile {
    1.54 +  /*< private >*/
    1.55 +  unsigned long start;
    1.56 +  unsigned long stop;
    1.57 +  unsigned long min;
    1.58 +  unsigned long last;
    1.59 +  unsigned long total;
    1.60 +  int n;
    1.61 +
    1.62 +  int hist_n;
    1.63 +  unsigned long hist_time[OIL_PROFILE_HIST_LENGTH];
    1.64 +  int hist_count[OIL_PROFILE_HIST_LENGTH];
    1.65 +};
    1.66 +
    1.67 +IMPORT_C unsigned long oil_profile_stamp(void);
    1.68 +IMPORT_C void oil_profile_init(OilProfile *prof);
    1.69 +IMPORT_C void oil_profile_stop_handle(OilProfile *prof);
    1.70 +IMPORT_C void oil_profile_get_ave_std (OilProfile *prof, double *ave_p, double *std_p);
    1.71 +
    1.72 +/**
    1.73 + * oil_profile_start:
    1.74 + * @x: a pointer to an OilProfile structure
    1.75 + *
    1.76 + * Starts a profiling run by obtaining a timestamp via oil_profile_stamp()
    1.77 + * and writing it into @x.
    1.78 + */
    1.79 +#define oil_profile_start(x) do{ \
    1.80 +	(x)->start = oil_profile_stamp(); \
    1.81 +}while(0)
    1.82 +/**
    1.83 + * oil_profile_stop:
    1.84 + * @x: a pointer to an OilProfile structure
    1.85 + *
    1.86 + * Stops a profiling run by obtaining a timestamp via oil_profile_stamp()
    1.87 + * and writing it into @x.  It then calls oil_profile_stop_handle() to
    1.88 + * handle post-processing of the profiling run.
    1.89 + */
    1.90 +#define oil_profile_stop(x) do{ \
    1.91 +	(x)->stop = oil_profile_stamp(); \
    1.92 +        oil_profile_stop_handle(x); \
    1.93 +}while(0)
    1.94 +
    1.95 +#endif
    1.96 +
    1.97 +OIL_END_DECLS
    1.98 +
    1.99 +
   1.100 +#endif
   1.101 +