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/*
** Zabbix
** Copyright (C) 2001-2014 Zabbix SIA
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
**/
#include "common.h"
#include "sysinfo.h"
static u_int pagesize = 0;
#define ZBX_SYSCTLBYNAME(name, value) \
\
len = sizeof(value); \
if (0 != sysctlbyname(name, &value, &len, NULL, 0)) \
return SYSINFO_RET_FAIL
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_ACTIVE(AGENT_RESULT *result)
{
u_int activepages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_active_count", activepages);
SET_UI64_RESULT(result, (zbx_uint64_t)activepages * 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_WIRED(AGENT_RESULT *result)
{
u_int wiredpages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_wire_count", wiredpages);
SET_UI64_RESULT(result, (zbx_uint64_t)wiredpages * 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_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_USED(AGENT_RESULT *result)
{
u_int activepages, wiredpages, cachedpages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_active_count", activepages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_wire_count", wiredpages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_cache_count", cachedpages);
SET_UI64_RESULT(result, (zbx_uint64_t)(activepages + wiredpages + cachedpages) * pagesize);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_PUSED(AGENT_RESULT *result)
{
u_int activepages, wiredpages, cachedpages, totalpages;
size_t len;
ZBX_SYSCTLBYNAME("vm.stats.vm.v_active_count", activepages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_wire_count", wiredpages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_cache_count", cachedpages);
ZBX_SYSCTLBYNAME("vm.stats.vm.v_page_count", totalpages);
if (0 == totalpages)
return SYSINFO_RET_FAIL;
SET_DBL_RESULT(result, (activepages + wiredpages + cachedpages) / (double)totalpages * 100);
return SYSINFO_RET_OK;
}
static int VM_MEMORY_AVAILABLE(AGENT_RESULT *result)
{
u_int inactivepages, cachedpages, freepages;
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);
SET_UI64_RESULT(result, (zbx_uint64_t)(inactivepages + cachedpages + freepages) * 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)
return SYSINFO_RET_FAIL;
SET_DBL_RESULT(result, (inactivepages + cachedpages + freepages) / (double)totalpages * 100);
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_SHARED(AGENT_RESULT *result)
{
struct vmtotal vm;
size_t len = sizeof(vm);
int mib[] = {CTL_VM, VM_METER};
if (0 != sysctl(mib, 2, &vm, &len, NULL, 0))
return SYSINFO_RET_FAIL;
SET_UI64_RESULT(result, (zbx_uint64_t)(vm.t_vmshr + vm.t_rmshr) * pagesize);
return SYSINFO_RET_OK;
}
int VM_MEMORY_SIZE(AGENT_REQUEST *request, AGENT_RESULT *result)
{
char *mode;
int ret = SYSINFO_RET_FAIL;
if (1 < request->nparam)
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"))
VM_MEMORY_TOTAL(result);
else if (0 == strcmp(mode, "active"))
VM_MEMORY_ACTIVE(result);
else if (0 == strcmp(mode, "inactive"))
VM_MEMORY_INACTIVE(result);
else if (0 == strcmp(mode, "wired"))
VM_MEMORY_WIRED(result);
else if (0 == strcmp(mode, "cached"))
VM_MEMORY_CACHED(result);
else if (0 == strcmp(mode, "free"))
VM_MEMORY_FREE(result);
else if (0 == strcmp(mode, "used"))
VM_MEMORY_USED(result);
else if (0 == strcmp(mode, "pused"))
VM_MEMORY_PUSED(result);
else if (0 == strcmp(mode, "available"))
VM_MEMORY_AVAILABLE(result);
else if (0 == strcmp(mode, "pavailable"))
VM_MEMORY_PAVAILABLE(result);
else if (0 == strcmp(mode, "buffers"))
VM_MEMORY_BUFFERS(result);
else if (0 == strcmp(mode, "shared"))
VM_MEMORY_SHARED(result);
else
ret = SYSINFO_RET_FAIL;
return ret;
}
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