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author | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-03-27 13:52:35 +0200 |
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committer | Sebastian Huber <sebastian.huber@embedded-brains.de> | 2017-03-27 13:53:42 +0200 |
commit | b8e97e58a275f62d2a3aa2d708205592953afbfb (patch) | |
tree | 34bcde816376ca853b0ce98d623e6949fe4e6bcc | |
parent | bsp/tms570: Simplify CPU counter support (diff) | |
download | rtems-b8e97e58a275f62d2a3aa2d708205592953afbfb.tar.bz2 |
bsps: Add simple CPU counter benchmark timer
-rw-r--r-- | c/src/lib/libbsp/shared/timercpucounter.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/shared/timercpucounter.c b/c/src/lib/libbsp/shared/timercpucounter.c new file mode 100644 index 0000000000..ade1c02cd1 --- /dev/null +++ b/c/src/lib/libbsp/shared/timercpucounter.c @@ -0,0 +1,35 @@ +/* + * Copyright (c) 2017 embedded brains GmbH. All rights reserved. + * + * embedded brains GmbH + * Dornierstr. 4 + * 82178 Puchheim + * Germany + * <rtems@embedded-brains.de> + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.rtems.org/license/LICENSE. + */ + +#include <rtems/btimer.h> +#include <rtems/counter.h> + +static uint32_t benchmark_timer_base; + +void benchmark_timer_initialize(void) +{ + benchmark_timer_base = rtems_counter_read(); +} + +benchmark_timer_t benchmark_timer_read(void) +{ + return rtems_counter_difference(rtems_counter_read(), benchmark_timer_base); +} + +void benchmark_timer_disable_subtracting_average_overhead( + bool find_average_overhead +) +{ + (void) find_average_overhead; +} |