void ftw_resource_usage(double *user_cpu_time, double *system_cpu_time, double *uptime, uint64_t *hi_res_relative_time,
uint64_t *peak_working_set, uint64_t *lv_dataspace_size, uint64_t *hard_page_faults)
{
uv_rusage_t rusage;
double up;
MemStatRec stats;
MgErr lvrc;
int rc;
lvrc = DSMemStats(&stats);
if (lvrc == mgNoErr) {
*lv_dataspace_size = (uint64_t)stats.totAllocSize;
}
rc = uv_getrusage(&rusage);
if (rc == 0) {
*user_cpu_time = (double)rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec * 1e-6;
*system_cpu_time = (double)rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec * 1e-6;
*peak_working_set = rusage.ru_maxrss;
*hard_page_faults = rusage.ru_majflt;
}
rc = uv_uptime(&up);
if (rc == 0) {
*uptime = up;
}
*hi_res_relative_time = uv_hrtime();
return;
}
static int luv_getrusage(lua_State* L) {
uv_rusage_t rusage;
int ret = uv_getrusage(&rusage);
if (ret < 0) return luv_error(L, ret);
lua_createtable(L, 0, 16);
// user CPU time used
luv_push_timeval_table(L, &rusage.ru_utime);
lua_setfield(L, -2, "utime");
// system CPU time used
luv_push_timeval_table(L, &rusage.ru_stime);
lua_setfield(L, -2, "stime");
// maximum resident set size
lua_pushinteger(L, rusage.ru_maxrss);
lua_setfield(L, -2, "maxrss");
// integral shared memory size
lua_pushinteger(L, rusage.ru_ixrss);
lua_setfield(L, -2, "ixrss");
// integral unshared data size
lua_pushinteger(L, rusage.ru_idrss);
lua_setfield(L, -2, "idrss");
// integral unshared stack size
lua_pushinteger(L, rusage.ru_isrss);
lua_setfield(L, -2, "isrss");
// page reclaims (soft page faults)
lua_pushinteger(L, rusage.ru_minflt);
lua_setfield(L, -2, "minflt");
// page faults (hard page faults)
lua_pushinteger(L, rusage.ru_majflt);
lua_setfield(L, -2, "majflt");
// swaps
lua_pushinteger(L, rusage.ru_nswap);
lua_setfield(L, -2, "nswap");
// block input operations
lua_pushinteger(L, rusage.ru_inblock);
lua_setfield(L, -2, "inblock");
// block output operations
lua_pushinteger(L, rusage.ru_oublock);
lua_setfield(L, -2, "oublock");
// IPC messages sent
lua_pushinteger(L, rusage.ru_msgsnd);
lua_setfield(L, -2, "msgsnd");
// IPC messages received
lua_pushinteger(L, rusage.ru_msgrcv);
lua_setfield(L, -2, "msgrcv");
// signals received
lua_pushinteger(L, rusage.ru_nsignals);
lua_setfield(L, -2, "nsignals");
// voluntary context switches
lua_pushinteger(L, rusage.ru_nvcsw);
lua_setfield(L, -2, "nvcsw");
// involuntary context switches
lua_pushinteger(L, rusage.ru_nivcsw);
lua_setfield(L, -2, "nivcsw");
return 1;
}
static PyObject *
Util_func_getrusage(PyObject *obj)
{
int err;
uv_rusage_t ru;
PyObject *result;
UNUSED_ARG(obj);
err = uv_getrusage(&ru);
if (err < 0) {
RAISE_UV_EXCEPTION(err, PyExc_UVError);
return NULL;
}
result = PyStructSequence_New(&RusageResultType);
if (!result)
return NULL;
#define pyuv__doubletime(TV) ((double)(TV).tv_sec + 1e-6*(TV).tv_usec)
PyStructSequence_SET_ITEM(result, 0, PyFloat_FromDouble(pyuv__doubletime(ru.ru_utime)));
PyStructSequence_SET_ITEM(result, 1, PyFloat_FromDouble(pyuv__doubletime(ru.ru_stime)));
PyStructSequence_SET_ITEM(result, 2, PyLong_FromLong(ru.ru_maxrss));
PyStructSequence_SET_ITEM(result, 3, PyLong_FromLong(ru.ru_ixrss));
PyStructSequence_SET_ITEM(result, 4, PyLong_FromLong(ru.ru_idrss));
PyStructSequence_SET_ITEM(result, 5, PyLong_FromLong(ru.ru_isrss));
PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(ru.ru_minflt));
PyStructSequence_SET_ITEM(result, 7, PyLong_FromLong(ru.ru_majflt));
PyStructSequence_SET_ITEM(result, 8, PyLong_FromLong(ru.ru_nswap));
PyStructSequence_SET_ITEM(result, 9, PyLong_FromLong(ru.ru_inblock));
PyStructSequence_SET_ITEM(result, 10, PyLong_FromLong(ru.ru_oublock));
PyStructSequence_SET_ITEM(result, 11, PyLong_FromLong(ru.ru_msgsnd));
PyStructSequence_SET_ITEM(result, 12, PyLong_FromLong(ru.ru_msgrcv));
PyStructSequence_SET_ITEM(result, 13, PyLong_FromLong(ru.ru_nsignals));
PyStructSequence_SET_ITEM(result, 14, PyLong_FromLong(ru.ru_nvcsw));
PyStructSequence_SET_ITEM(result, 15, PyLong_FromLong(ru.ru_nivcsw));
#undef pyuv__doubletime
if (PyErr_Occurred()) {
Py_DECREF(result);
return NULL;
}
return result;
}
