benchmark/benchmark.h

   1 /*
   2  * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License
   6  * as published by the Free Software Foundation; only version 2
   7  * of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  17  */
  18
  19 #ifndef _BENCHMARK_H
  20 #define _BENCHMARK_H
  21
  22 #include <stdint.h>
  23 #include <urcu/arch.h>
  24
  25 #include "cpu.h"
  26 #include "measures.h"
  27
  28 #define RESULTS_FILE_NAME "/tmp/lttng-bench-results.txt"
  29
  30 extern FILE *fp;
  31
  32 void bench_init(void);
  33 void bench_close(void);
  34 void bench_print_boot_process(void);
  35 void bench_print_ust_register(void);
  36 void bench_print_ust_notification(void);
  37 double bench_get_create_session(void);
  38 double bench_get_destroy_session(void);
  39
  40 #define record_cycles(name)             \
  41         do {                                \
  42                 time_##name = get_cycles();     \
  43         } while (0)
  44
  45 #define tracepoint(name, args...)       \
  46         do {                                \
  47                 record_cycles(name);            \
  48         } while (0)
  49
  50 #endif /* _BENCHMARK_H */