static int VM_MEMORY_TOTAL(AGENT_RESULT *result)
{
unsigned long totalbytes;
size_t len;
ZBX_SYSCTLBYNAME("hw.physmem", totalbytes);
SET_UI64_RESULT(result, (zbx_uint64_t)totalbytes);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_BUFFERS(AGENT_RESULT *result)
{
u_int bufspace;
size_t len;
ZBX_SYSCTLBYNAME("vfs.bufspace", bufspace);
SET_UI64_RESULT(result, bufspace);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_FREE(AGENT_RESULT *result)
{
u_int freepages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_free_count", freepages);
SET_UI64_RESULT(result, (zbx_uint64_t)freepages * pagesize);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_CACHED(AGENT_RESULT *result)
{
u_int cachedpages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_cache_count", cachedpages);
SET_UI64_RESULT(result, (zbx_uint64_t)cachedpages * pagesize);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_INACTIVE(AGENT_RESULT *result)
{
u_int inactivepages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_inactive_count", inactivepages);
SET_UI64_RESULT(result, (zbx_uint64_t)inactivepages * pagesize);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_PAVAILABLE(AGENT_RESULT *result)
{
u_int inactivepages, cachedpages, freepages, totalpages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_inactive_count", inactivepages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_cache_count", cachedpages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_free_count", freepages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_page_count", totalpages);
if (0 == totalpages)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot calculate percentage because total is zero."));
return SYSINFO_RET_FAIL;
}
SET_DBL_RESULT(result, (inactivepages + cachedpages + freepages) / (double)totalpages * 100);
return SYSINFO_RET_OK;
}
int VM_MEMORY_SIZE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *mode;
int ret;
if (1 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
if (0 == pagesize)
{
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_page_size", pagesize);
}
mode = get_rparam(request, 0);
if (NULL == mode || '\0' == *mode || 0 == strcmp(mode, "total"))
ret = VM_MEMORY_TOTAL(result);
else if (0 == strcmp(mode, "active"))
ret = VM_MEMORY_ACTIVE(result);
else if (0 == strcmp(mode, "inactive"))
ret = VM_MEMORY_INACTIVE(result);
else if (0 == strcmp(mode, "wired"))
ret = VM_MEMORY_WIRED(result);
else if (0 == strcmp(mode, "cached"))
ret = VM_MEMORY_CACHED(result);
else if (0 == strcmp(mode, "free"))
ret = VM_MEMORY_FREE(result);
else if (0 == strcmp(mode, "used"))
ret = VM_MEMORY_USED(result);
else if (0 == strcmp(mode, "pused"))
ret = VM_MEMORY_PUSED(result);
else if (0 == strcmp(mode, "available"))
ret = VM_MEMORY_AVAILABLE(result);
else if (0 == strcmp(mode, "pavailable"))
ret = VM_MEMORY_PAVAILABLE(result);
else if (0 == strcmp(mode, "buffers"))
ret = VM_MEMORY_BUFFERS(result);
else if (0 == strcmp(mode, "shared"))
ret = VM_MEMORY_SHARED(result);
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid first parameter."));
ret = SYSINFO_RET_FAIL;
}
return ret;
}