src/benchmark.h

   1 /*
   2  * Copyright (C) 2011-2012 Free Software Foundation, Inc.
   3  *
   4  * This file is part of GnuTLS.
   5  *
   6  * GnuTLS 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 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * GnuTLS 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, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <sys/time.h>
  21 #include <time.h>
  22 #include <signal.h>
  23 #if defined(_WIN32)
  24 # include <windows.h>
  25 #endif
  26 #include "timespec.h"           /* gnulib gettime */
  27
  28 typedef void (*sighandler_t)(int);
  29
  30 void benchmark_cipher (int init, int debug_level);
  31 void benchmark_tls (int debug_level, int ciphers);
  32
  33 struct benchmark_st
  34 {
  35   struct timespec start;
  36   unsigned long size;
  37   sighandler_t old_handler;
  38 #if defined(_WIN32)
  39   HANDLE wtimer;
  40   HANDLE wthread;
  41   LARGE_INTEGER alarm_timeout;
  42 #endif
  43 };
  44
  45 extern int benchmark_must_finish;
  46
  47 void start_benchmark(struct benchmark_st * st);
  48 double stop_benchmark(struct benchmark_st * st, const char* metric);
  49
  50 inline static unsigned int
  51 timespec_sub_ms (struct timespec *a, struct timespec *b)
  52 {
  53   return (a->tv_sec * 1000 + a->tv_nsec / (1000 * 1000) -
  54           (b->tv_sec * 1000 + b->tv_nsec / (1000 * 1000)));
  55 }