From 87a04019fb626d90af690e6a9e985951ed9f4673 Mon Sep 17 00:00:00 2001 From: Ralf Corsepius Date: Wed, 14 Oct 2009 12:17:42 +0000 Subject: Remove (Abandoned). --- c/src/lib/libbsp/unix/posix/timer/timer.c | 65 ------------------------------- 1 file changed, 65 deletions(-) delete mode 100644 c/src/lib/libbsp/unix/posix/timer/timer.c (limited to 'c/src/lib/libbsp/unix/posix/timer') diff --git a/c/src/lib/libbsp/unix/posix/timer/timer.c b/c/src/lib/libbsp/unix/posix/timer/timer.c deleted file mode 100644 index c2d2eaf88c..0000000000 --- a/c/src/lib/libbsp/unix/posix/timer/timer.c +++ /dev/null @@ -1,65 +0,0 @@ -/* timer.c - * - * This file manages the interval timer on a UNIX BSP. - * - * NOTE: It is important that the timer start/stop overhead be - * determined when porting or modifying this code. - * - * COPYRIGHT (c) 1989-2003. - * On-Line Applications Research Corporation (OAR). - * - * The license and distribution terms for this file may be - * found in the file LICENSE in this distribution or at - * http://www.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#include -#include -#include - -struct timeval Timer_start; -struct timeval Timer_stop; -struct timezone Time_zone; - -bool benchmark_timer_find_average_overhead; - -void benchmark_timer_initialize() -{ - gettimeofday( &Timer_start, &Time_zone ); -} - -#define AVG_OVERHEAD 0 /* It typically takes xxx microseconds */ - /* (XX countdowns) to start/stop the timer. */ -#define LEAST_VALID 10 /* Don't trust a value lower than this */ - -int benchmark_timer_read() -{ - int total; - - gettimeofday( &Timer_stop, &Time_zone ); - - if ( Timer_stop.tv_sec == Timer_start.tv_sec ) - total = Timer_stop.tv_usec - Timer_start.tv_usec; - else { - total = 1000000 - Timer_start.tv_usec; - total += (Timer_stop.tv_sec - Timer_start.tv_sec - 1) * 1000000; - total += Timer_stop.tv_usec; - } - - if ( benchmark_timer_find_average_overhead == true ) - return total; /* in countdown units */ - else { - if ( total < LEAST_VALID ) - return 0; /* below timer resolution */ - return total - AVG_OVERHEAD; - } -} - -void benchmark_timer_disable_subtracting_average_overhead( - bool find_flag -) -{ - benchmark_timer_find_average_overhead = find_flag; -} -- cgit v1.2.3