static int luv_resident_set_memory(lua_State* L) {
size_t rss;
int ret = uv_resident_set_memory(&rss);
if (ret < 0) return luv_error(L, ret);
lua_pushinteger(L, rss);
return 1;
}
/*
* Class: com_iwebpp_libuvpp_LibUV
* Method: _rss
* Signature: ()I
*/
extern "C" JNIEXPORT jint JNICALL Java_com_iwebpp_libuvpp_LibUV__1rss
(JNIEnv *env, jclass cls) {
size_t rss;
uv_err_t err = uv_resident_set_memory(&rss);
if (err.code != UV_OK) {
ThrowException(env, err.code, "uv_resident_set_memory", NULL, NULL);
}
return static_cast<jint>(rss);
}
static int process_memory_usage(lua_State *L) {
lua_newtable(L);
size_t rss;
uv_err_t err = uv_resident_set_memory(&rss);
if (err.code != UV_OK) {
uv_err_t err = uv_last_error(lev_get_loop(L));
return luaL_error(L, uv_strerror(err));
}
lua_pushnumber(L, rss);
lua_setfield(L, -2, "rss");
return 1;
}
static PyObject *
Util_func_resident_set_memory(PyObject *obj)
{
size_t rss;
int err;
PyObject *exc_data;
UNUSED_ARG(obj);
err = uv_resident_set_memory(&rss);
if (err == 0) {
return PyInt_FromSsize_t(rss);
} else {
exc_data = Py_BuildValue("(is)", err, uv_strerror(err));
if (exc_data != NULL) {
PyErr_SetObject(PyExc_UVError, exc_data);
Py_DECREF(exc_data);
}
return NULL;
}
}
static MVMint32 is_full_collection(MVMThreadContext *tc) {
MVMuint64 percent_growth, promoted;
size_t rss;
/* If it's below the absolute minimum, quickly return. */
promoted = (MVMuint64)MVM_load(&tc->instance->gc_promoted_bytes_since_last_full);
if (promoted < MVM_GC_GEN2_THRESHOLD_MINIMUM)
return 0;
/* If we're heap profiling then don't consider the resident set size, as
* it will be hugely distorted by the profile data we record. */
if (MVM_profile_heap_profiling(tc))
return 1;
/* Otherwise, consider percentage of resident set size. */
if (uv_resident_set_memory(&rss) < 0 || rss == 0)
rss = 50 * 1024 * 1024;
percent_growth = (100 * promoted) / (MVMuint64)rss;
return percent_growth >= MVM_GC_GEN2_THRESHOLD_PERCENT;
}
void
print_rss() {
size_t rss;
uv_resident_set_memory(&rss);
logger_log(LOG_DEBUG, "resident set memory: %llu", (unsigned long long) rss);
}
