mirror of https://github.com/jlizier/jidt
37 lines
898 B
C
37 lines
898 B
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include <string.h>
|
|
|
|
typedef struct CPerfTimer {
|
|
struct timeval tv;
|
|
unsigned long us;
|
|
const char *tag;
|
|
} CPerfTimer;
|
|
|
|
static inline CPerfTimer startTimer(const char *s) {
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
unsigned long us = 1000000 * tv.tv_sec + tv.tv_usec;
|
|
CPerfTimer pf = { .tv = tv, .us = us, .tag = s};
|
|
return pf;
|
|
}
|
|
|
|
static inline void stopTimer(CPerfTimer pt) {
|
|
#ifdef TIMER
|
|
struct timeval tv;
|
|
gettimeofday(&tv, NULL);
|
|
unsigned long us = 1000000 * tv.tv_sec + tv.tv_usec;
|
|
if (strlen(pt.tag) < 50) {
|
|
char buf[50] = " ";
|
|
memcpy(buf, pt.tag, strlen(pt.tag));
|
|
printf("%s: %.3fms\n", buf, (us - pt.us)/((double) 1000.0));
|
|
} else {
|
|
printf("%s: %.3fms\n", pt.tag, (us - pt.us)/((double) 1000.0));
|
|
}
|
|
#endif
|
|
return;
|
|
}
|
|
|