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add time.perf_counter

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This commit is contained in:
blueloveTH 2025-09-11 18:14:15 +08:00
parent 5657989e27
commit 8f6ab9f436
1 changed files with 25 additions and 20 deletions
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45
src/modules/time.c
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@ -5,24 +5,22 @@
#define NANOS_PER_SEC 1000000000
#ifndef __circle__
int64_t time_ns() {
struct timespec tms;
#ifdef CLOCK_REALTIME
clock_gettime(CLOCK_REALTIME, &tms);
#else
/* The C11 way */
timespec_get(&tms, TIME_UTC);
#endif
/* seconds, multiplied with 1 billion */
int64_t nanos = tms.tv_sec * (int64_t)NANOS_PER_SEC;
/* Add full nanoseconds */
nanos += tms.tv_nsec;
return nanos;
}
int64_t time_ns() {
struct timespec tms;
#ifdef CLOCK_REALTIME
clock_gettime(CLOCK_REALTIME, &tms);
#else
int64_t time_ns() {
return 0;
}
/* The C11 way */
timespec_get(&tms, TIME_UTC);
#endif
/* seconds, multiplied with 1 billion */
int64_t nanos = tms.tv_sec * (int64_t)NANOS_PER_SEC;
/* Add full nanoseconds */
nanos += tms.tv_nsec;
return nanos;
}
#else
int64_t time_ns() { return 0; }
#endif
static bool time_time(int argc, py_Ref argv) {
@ -39,15 +37,21 @@ static bool time_time_ns(int argc, py_Ref argv) {
return true;
}
static bool time_perf_counter(int argc, py_Ref argv) {
PY_CHECK_ARGC(0);
py_newfloat(py_retval(), (double)clock() / CLOCKS_PER_SEC);
return true;
}
static bool time_sleep(int argc, py_Ref argv) {
PY_CHECK_ARGC(1);
py_f64 secs;
if(!py_castfloat(argv, &secs)) return false;
int64_t start = time_ns();
const int64_t end = start + secs * 1000000000;
clock_t start = clock();
const clock_t end = start + (clock_t)(secs * CLOCKS_PER_SEC);
while(true) {
int64_t now = time_ns();
clock_t now = clock();
if(now >= end) break;
}
py_newnone(py_retval());
@ -101,6 +105,7 @@ void pk__add_module_time() {
py_bindfunc(mod, "time", time_time);
py_bindfunc(mod, "time_ns", time_time_ns);
py_bindfunc(mod, "perf_counter", time_perf_counter);
py_bindfunc(mod, "sleep", time_sleep);
py_bindfunc(mod, "localtime", time_localtime);
}