gprofng/testsuite/gprofng.display/synprog/stopwatch.h

   1 /* Copyright (C) 2021-2024 Free Software Foundation, Inc.
   2    Contributed by Oracle.
   3
   4    This file is part of GNU Binutils.
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 3, or (at your option)
   9    any later version.
  10
  11    This program is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, 51 Franklin Street - Fifth Floor, Boston,
  19    MA 02110-1301, USA.  */
  20
  21 #ifndef _STOPWATCH_
  22 #define _STOPWATCH_
  23
  24 #include <time.h>
  25 #include <sys/time.h>
  26
  27 typedef int processorid_t;
  28 typedef long long hrtime_t;
  29 typedef struct timespec timespec_t;
  30 extern hrtime_t gethrtime ();
  31 extern hrtime_t gethrvtime ();
  32
  33 extern double testtime;
  34 char *prtime (time_t *t);
  35 char *prdelta (struct timeval t);
  36 int wlog (char *, char *);
  37 int whrlog (hrtime_t delta, char *, char *);
  38 int whrvlog (hrtime_t delta, hrtime_t vdelta, char *, char *);
  39
  40 typedef struct stopwatch
  41 {
  42   double sum;       /* in nanoseconds */
  43   double sumsq;     /* in (nanoseconds ** 2) */
  44   double last;      /* in nanoseconds */
  45   hrtime_t begin;
  46   hrtime_t start;
  47   hrtime_t tempus;
  48   hrtime_t delta;
  49   hrtime_t min;
  50   hrtime_t max;
  51   int count;
  52   char *name;
  53 } stopwatch_t;
  54
  55 stopwatch_t *stpwtch_alloc (char *, int);
  56 void stpwtch_calibrate ();
  57 void stpwtch_start (stopwatch_t *);
  58 void stpwtch_stop (stopwatch_t *);
  59 void stpwtch_print (stopwatch_t *);
  60
  61 #endif