static int VM_MEMORY_AVAILABLE(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
SET_UI64_RESULT(result, m.real_free << ZBX_PERFSTAT_PAGE_SHIFT);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_USED(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
SET_UI64_RESULT(result, m.real_inuse << ZBX_PERFSTAT_PAGE_SHIFT); /* real memory which is in use in pages */
return SYSINFO_RET_OK;
}
static int VM_MEMORY_FREE(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
SET_UI64_RESULT(result, m.real_free << ZBX_PERFSTAT_PAGE_SHIFT); /* free real memory in pages */
return SYSINFO_RET_OK;
}
static int VM_MEMORY_CACHED(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
SET_UI64_RESULT(result, m.numperm << ZBX_PERFSTAT_PAGE_SHIFT); /* number of pages used for files */
return SYSINFO_RET_OK;
}
static int VM_MEMORY_PAVAILABLE(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
if (0 == m.real_total)
return SYSINFO_RET_FAIL;
SET_DBL_RESULT(result, m.real_free / (double)m.real_total * 100);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_PAVAILABLE(AGENT_RESULT *result)
{
ZBX_PERFSTAT_MEMORY_TOTAL();
if (0 == m.real_total)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot calculate percentage because total is zero."));
return SYSINFO_RET_FAIL;
}
SET_DBL_RESULT(result, m.real_free / (double)m.real_total * 100);
return SYSINFO_RET_OK;
}