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Move {start,end}_cpu_timing into util.c

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This commit is contained in:
Oliver Jowett 2017-01-27 12:33:43 +00:00
parent b1149f344d
commit bfc4b742af
3 changed files with 24 additions and 16 deletions
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15
dump1090.c
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@ -96,21 +96,6 @@ static void sigtermHandler(int dummy) {
log_with_timestamp("Caught SIGTERM, shutting down..\n");
}
static void start_cpu_timing(struct timespec *start_time)
{
clock_gettime(CLOCK_THREAD_CPUTIME_ID, start_time);
}
static void end_cpu_timing(const struct timespec *start_time, struct timespec *add_to)
{
struct timespec end_time;
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end_time);
add_to->tv_sec += (end_time.tv_sec - start_time->tv_sec - 1);
add_to->tv_nsec += (1000000000L + end_time.tv_nsec - start_time->tv_nsec);
add_to->tv_sec += add_to->tv_nsec / 1000000000L;
add_to->tv_nsec = add_to->tv_nsec % 1000000000L;
}
void receiverPositionChanged(float lat, float lon, float alt)
{
log_with_timestamp("Autodetected receiver location: %.5f, %.5f at %.0fm AMSL", lat, lon, alt);

19
util.c
View file

@ -47,7 +47,7 @@
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include "util.h"
#include "dump1090.h"
#include <stdlib.h>
#include <sys/time.h>
@ -79,3 +79,20 @@ void normalize_timespec(struct timespec *ts)
ts->tv_nsec = (ts->tv_nsec + 1000000000 * adjust) % 1000000000;
}
}
/* record current CPU time in start_time */
void start_cpu_timing(struct timespec *start_time)
{
clock_gettime(CLOCK_THREAD_CPUTIME_ID, start_time);
}
/* add difference between start_time and the current CPU time to add_to */
void end_cpu_timing(const struct timespec *start_time, struct timespec *add_to)
{
struct timespec end_time;
clock_gettime(CLOCK_THREAD_CPUTIME_ID, &end_time);
add_to->tv_sec += (end_time.tv_sec - start_time->tv_sec - 1);
add_to->tv_nsec += (1000000000L + end_time.tv_nsec - start_time->tv_nsec);
add_to->tv_sec += add_to->tv_nsec / 1000000000L;
add_to->tv_nsec = add_to->tv_nsec % 1000000000L;
}

6
util.h
View file

@ -36,4 +36,10 @@ int64_t receiveclock_ns_elapsed(uint64_t t1, uint64_t t2);
struct timespec;
void normalize_timespec(struct timespec *ts);
/* record current CPU time in start_time */
void start_cpu_timing(struct timespec *start_time);
/* add difference between start_time and the current CPU time to add_to */
void end_cpu_timing(const struct timespec *start_time, struct timespec *add_to);
#endif