diff options
Diffstat (limited to 'c/src/lib/libcpu/mips/timer/timer.c')
| -rw-r--r-- | c/src/lib/libcpu/mips/timer/timer.c | 28 |
1 files changed, 9 insertions, 19 deletions
diff --git a/c/src/lib/libcpu/mips/timer/timer.c b/c/src/lib/libcpu/mips/timer/timer.c index 0db65238eb..86b45ce9cb 100644 --- a/c/src/lib/libcpu/mips/timer/timer.c +++ b/c/src/lib/libcpu/mips/timer/timer.c @@ -21,8 +21,8 @@ * * This file manages the benchmark timer used by the RTEMS Timing Test * Suite. Each measured time period is demarcated by calls to - * Timer_initialize() and Read_timer(). Read_timer() usually returns - * the number of microseconds since Timer_initialize() 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. @@ -52,10 +52,10 @@ extern uint32_t mips_read_timer( void ); -static rtems_boolean Timer_driver_Find_average_overhead; +static rtems_boolean benchmark_timer_find_average_overhead; static uint32_t Timer_initial_value = 0; -void Timer_initialize( void ) +void benchmark_timer_initialize( void ) { Timer_initial_value = mips_read_timer(); /* @@ -66,7 +66,7 @@ void Timer_initialize( void ) } /* - * The following controls the behavior of Read_timer(). + * 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. @@ -80,7 +80,7 @@ void Timer_initialize( void ) /* This value is in cycles. */ #define LEAST_VALID 1 /* Don't trust a clicks value lower than this */ -int Read_timer( void ) +int benchmark_timer_read( void ) { uint64_t clicks; uint32_t total; @@ -107,7 +107,7 @@ int Read_timer( void ) total = clicks; #endif - if ( Timer_driver_Find_average_overhead == 1 ) + if ( benchmark_timer_find_average_overhead == 1 ) return total; /* in # cycles units */ else { if ( total < LEAST_VALID ) @@ -119,19 +119,9 @@ int Read_timer( void ) } } -/* - * Empty function call used in loops to measure basic cost of looping - * in Timing Test Suite. - */ - -rtems_status_code Empty_function( void ) -{ - return RTEMS_SUCCESSFUL; -} - -void Set_find_average_overhead( +void benchmark_timer_disable_subtracting_average_overhead( rtems_boolean find_flag ) { - Timer_driver_Find_average_overhead = find_flag; + benchmark_timer_find_average_overhead = find_flag; } |