forked from rcore-os/zCore
42 lines
1.2 KiB
C
42 lines
1.2 KiB
C
#include <time.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <assert.h>
|
|
#include <sys/time.h>
|
|
#include <sys/times.h>
|
|
#include <sys/types.h>
|
|
#include <sys/resource.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct timespec ts = {0, 0};
|
|
clock_gettime(CLOCK_REALTIME, &ts);
|
|
printf("timespec: %ld sec, %ld nsec\n", ts.tv_sec, ts.tv_nsec);
|
|
assert(ts.tv_sec != 0 && ts.tv_nsec != 0);
|
|
|
|
struct timeval tv;
|
|
|
|
// the musl-libc call clock_gettime instead..qwq
|
|
gettimeofday(&tv, NULL);
|
|
printf("timeval: %ld sec, %ld usec\n", tv.tv_sec, tv.tv_usec);
|
|
assert(tv.tv_sec != 0 && tv.tv_usec != 0);
|
|
|
|
// the musl-libc call clock_gettime instead..qwq
|
|
time_t seconds;
|
|
seconds = time(NULL);
|
|
printf("time: %ld\n", seconds);
|
|
assert(seconds != 0);
|
|
|
|
struct tms tmp;
|
|
clock_t t = times(&tmp);
|
|
printf("times return: %ld\n", t);
|
|
assert(times != 0);
|
|
|
|
struct rusage usage;
|
|
getrusage(0, &usage);
|
|
printf("timeval getrusage user: %ld sec, %ld usec\n", usage.ru_utime.tv_sec, usage.ru_utime.tv_usec);
|
|
printf("timeval getrusage system: %ld sec, %ld usec\n", usage.ru_stime.tv_sec, usage.ru_stime.tv_usec);
|
|
assert(usage.ru_utime.tv_sec != 0 && usage.ru_utime.tv_usec != 0);
|
|
|
|
return 0;
|
|
} |