2008-08-31 Joel Sherrill <joel.sherrill@oarcorp.com>

* timer/timer.c: Eliminate empty function from every benchmark timer
	driver. Fix spelling.
This commit is contained in:
Joel Sherrill
2008-08-31 18:18:17 +00:00
parent 6b2923cbc3
commit 25c62b02bc
44 changed files with 259 additions and 328 deletions

View File

@@ -2,8 +2,8 @@
*
* This file manages the benchmark timer used by the RTEMS Timing Test
* Suite. Each measured time period is demarcated by calls to
* benchmark_timerinitialize() and benchmark_timerread(). benchmark_timerread() usually returns
* the number of microseconds since benchmark_timerinitialize() exitted.
* benchmark_timer_initialize() and benchmark_timer_read(). benchmark_timer_read() usually returns
* the number of microseconds since benchmark_timer_initialize() exitted.
*
* NOTE: It is important that the timer start/stop overhead be
* determined when porting or modifying this code.
@@ -23,11 +23,11 @@
#include <rtems/tic4x/c4xio.h>
uint32_t Timer_interrupts;
rtems_boolean benchmark_timerfind_average_overhead;
rtems_boolean benchmark_timer_find_average_overhead;
static uint32_t start;
void benchmark_timerinitialize( void )
void benchmark_timer_initialize( void )
{
/*
@@ -48,7 +48,7 @@ void benchmark_timerinitialize( void )
}
/*
* The following controls the behavior of benchmark_timerread().
* The following controls the behavior of benchmark_timer_read().
*
* AVG_OVEREHAD is the overhead for starting and stopping the timer. It
* is usually deducted from the number returned.
@@ -62,7 +62,7 @@ void benchmark_timerinitialize( void )
/* This value is in microseconds. */
#define LEAST_VALID 1 /* Don't trust a clicks value lower than this */
int benchmark_timerread( void )
int benchmark_timer_read( void )
{
uint32_t clicks;
uint32_t total;
@@ -83,7 +83,7 @@ int benchmark_timerread( void )
total = clicks * 1;
if ( benchmark_timerfind_average_overhead == 1 ) {
if ( benchmark_timer_find_average_overhead == 1 ) {
return total; /* in count units where each count is */
/* 1 / (clock frequency/2) */
} else {
@@ -97,19 +97,9 @@ int benchmark_timerread( void )
}
}
/*
* Empty function call used in loops to measure basic cost of looping
* in Timing Test Suite.
*/
rtems_status_code benchmark_timerempty_function( void )
{
return RTEMS_SUCCESSFUL;
}
void benchmark_timerdisable_subtracting_average_overhead(
void benchmark_timer_disable_subtracting_average_overhead(
rtems_boolean find_flag
)
{
benchmark_timerfind_average_overhead = find_flag;
benchmark_timer_find_average_overhead = find_flag;
}