mirror of
https://github.com/munin-monitoring/muninlite.git
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7c8bd1e394
git-svn-id: svn://svn.code.sf.net/p/muninlite/code/muninlite@1 35caa317-6b62-4e8a-81c0-b04f0c356266
185 lines
7.6 KiB
Text
185 lines
7.6 KiB
Text
config_memory() {
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MINFO=$(cat /proc/meminfo | sed 's/ \{1,\}/ /g;')
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MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\ -f2)
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PAGETABLES=$(echo "$MINFO" | grep "^PageTables:" | cut -d\ -f2)
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SWAPCACHED=$(echo "$MINFO" | grep "^SwapCached:" | cut -d\ -f2)
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SWAPTOTAL=$(echo "$MINFO" | grep "^SwapTotal:" | cut -d\ -f2)
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VMALLOCUSED=$(echo "$MINFO" | grep "^VmallocUsed:" | cut -d\ -f2)
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SLAB=$(echo "$MINFO" | grep "^Slab:" | cut -d\ -f2)
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MAPPED=$(echo "$MINFO" | grep "^Mapped:" | cut -d\ -f2)
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COMMITTEDAS=$(echo "$MINFO" | grep "^Committed_AS:" | cut -d\ -f2)
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ACTIVE=$(echo "$MINFO" | grep "^Active:" | cut -d\ -f2)
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INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\ -f2)
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ACTIVEANON=$(echo "$MINFO" | grep "^ActiveAnon:" | cut -d\ -f2)
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ACTIVECACHE=$(echo "$MINFO" | grep "^ActiveCache:" | cut -d\ -f2)
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INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\ -f2)
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INACTDIRTY=$(echo "$MINFO" | grep "^Inact_dirty:" | cut -d\ -f2)
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INACTLAUNDY=$(echo "$MINFO" | grep "^Inact_laundry:" | cut -d\ -f2)
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INACTCLEAN=$(echo "$MINFO" | grep "^Inact_clean:" | cut -d\ -f2)
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GRAPH_ORDER="apps";
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test "$PAGETABLES" != "" && GRAPH_ORDER="$GRAPH_ORDER page_tables"
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test "$SWAPCACHED" != "" && GRAPH_ORDER="$GRAPH_ORDER swap_cache"
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test "$VMALLOCUSED" != "" && GRAPH_ORDER="$GRAPH_ORDER vmalloc_used"
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test "$SLAB" != "" && GRAPH_ORDER="$GRAPH_ORDER slab"
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GRAPH_ORDER="$GRAPH_ORDER cached buffers free swap"
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echo "graph_args --base 1024 -l 0 --vertical-label Bytes --upper-limit $MEMTOTAL"
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echo "graph_title Memory usage"
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echo "graph_category system"
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echo "graph_info This graph shows what the machine uses its memory for."
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echo "graph_order $GRAPH_ORDER"
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echo "apps.label apps"
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echo "apps.draw AREA"
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echo "apps.info Memory used by user-space applications."
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echo "buffers.label buffers"
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echo "buffers.draw STACK"
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echo "buffers.info Block device (e.g. harddisk) cache. Also where \"dirty\" blocks are stored until written."
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echo "swap.label swap"
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echo "swap.draw STACK"
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echo "swap.info Swap space used."
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echo "cached.label cache"
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echo "cached.draw STACK"
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echo "cached.info Parked file data (file content) cache."
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echo "free.label unused"
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echo "free.draw STACK"
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echo "free.info Wasted memory. Memory that is not used for anything at all."
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if [ "$SLAB" != "" ]; then
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echo "slab.label slab_cache"
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echo "slab.draw STACK"
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echo "slab.info Memory used by the kernel (major users are caches like inode, dentry, etc)."
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fi
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if [ "$SWAPCACHED" != "" ]; then
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echo "swap_cache.label swap_cache"
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echo "swap_cache.draw STACK"
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echo "swap_cache.info A piece of memory that keeps track of pages that have been fetched from swap but not yet been modified."
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fi
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if [ "$PAGETABLES" != "" ]; then
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echo "page_tables.label page_tables"
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echo "page_tables.draw STACK"
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echo "page_tables.info Memory used to map between virtual and physical memory addresses.\n"
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fi
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if [ "$VMALLOCUSED" != "" ]; then
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echo "vmalloc_used.label vmalloc_used"
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echo "vmalloc_used.draw STACK"
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echo "vmalloc_used.info Virtual memory used by the kernel (used when the memory does not have to be physically contigious)."
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fi
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if [ "$COMMITTEDAS" != "" ]; then
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echo "committed.label committed"
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echo "committed.draw LINE2"
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echo "committed.warn" $(($SWAPTOTAL + $MEMTOTAL))
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echo "committed.info The amount of memory that would be used if all the memory that's been allocated were to be used."
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fi
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if [ "$MAPPED" != "" ]; then
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echo "mapped.label mapped"
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echo "mapped.draw LINE2"
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echo "mapped.info All mmap()ed pages."
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fi
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if [ "$ACTIVE" != "" ]; then
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echo "active.label active"
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echo "active.draw LINE2"
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echo "active.info Memory recently used. Not reclaimed unless absolutely necessary."
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fi
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if [ "$ACTIVEANON" != "" ]; then
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echo "active_anon.label active_anon"
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echo "active_anon.draw LINE1"
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fi
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if [ "$ACTIVECACHE" != "" ]; then
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echo "active_cache.label active_cache"
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echo "active_cache.draw LINE1"
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fi
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if [ "$INACTIVE" != "" ]; then
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echo "inactive.label inactive"
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echo "inactive.draw LINE2"
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echo "inactive.info Memory not currently used."
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fi
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if [ "$INACTDIRTY" != "" ]; then
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echo "inact_dirty.label inactive_dirty"
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echo "inact_dirty.draw LINE1"
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echo "inact_dirty.info Memory not currently used, but in need of being written to disk."
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fi
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if [ "$INACTLAUNDRY" != "" ]; then
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echo "inact_laundry.label inactive_laundry"
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echo "inact_laundry.draw LINE1"
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fi
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if [ "$INACTCLEAN" != "" ]; then
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echo "inact_clean.label inactive_clean"
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echo "inact_clean.draw LINE1"
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echo "inact_clean.info Memory not currently used."
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fi
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}
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fetch_memory() {
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MINFO=$(cat /proc/meminfo | sed 's/ \{1,\}/ /g;')
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MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\ -f2)
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MEMFREE=$(echo "$MINFO" | grep "^MemFree:" | cut -d\ -f2)
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BUFFERS=$(echo "$MINFO" | grep "^Buffers:" | cut -d\ -f2)
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CACHED=$(echo "$MINFO" | grep "^Cached:" | cut -d\ -f2)
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SWAP_TOTAL=$(echo "$MINFO" | grep "^SwapTotal:" | cut -d\ -f2)
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SWAP_FREE=$(echo "$MINFO" | grep "^SwapFree:" | cut -d\ -f2)
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MEMTOTAL=$(echo "$MINFO" | grep "^MemTotal:" | cut -d\ -f2)
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PAGETABLES=$(echo "$MINFO" | grep "^PageTables:" | cut -d\ -f2)
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SWAPCACHED=$(echo "$MINFO" | grep "^SwapCached:" | cut -d\ -f2)
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VMALLOCUSED=$(echo "$MINFO" | grep "^VmallocUsed:" | cut -d\ -f2)
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SLAB=$(echo "$MINFO" | grep "^Slab:" | cut -d\ -f2)
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MAPPED=$(echo "$MINFO" | grep "^Mapped:" | cut -d\ -f2)
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COMMITTEDAS=$(echo "$MINFO" | grep "^Committed_AS:" | cut -d\ -f2)
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ACTIVE=$(echo "$MINFO" | grep "^Active:" | cut -d\ -f2)
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INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\ -f2)
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ACTIVEANON=$(echo "$MINFO" | grep "^ActiveAnon:" | cut -d\ -f2)
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ACTIVECACHE=$(echo "$MINFO" | grep "^ActiveCache:" | cut -d\ -f2)
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INACTIVE=$(echo "$MINFO" | grep "^Inactive:" | cut -d\ -f2)
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INACTDIRTY=$(echo "$MINFO" | grep "^Inact_dirty:" | cut -d\ -f2)
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INACTLAUNDY=$(echo "$MINFO" | grep "^Inact_laundry:" | cut -d\ -f2)
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INACTCLEAN=$(echo "$MINFO" | grep "^Inact_clean:" | cut -d\ -f2)
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APPS=$(($MEMTOTAL - $MEMFREE - $BUFFERS - $CACHED))
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SWAP=$(($SWAP_TOTAL - $SWAP_FREE))
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echo "buffers.value" $(($BUFFERS * 1024))
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echo "swap.value" $(($SWAP * 1024))
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echo "cached.value" $(($CACHED * 1024))
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echo "free.value" $(($MEMFREE * 1024))
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if [ "$SLAB" != "" ]; then
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echo "slab.value" $(($SLAB * 1024))
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APPS=$(($APPS - $SLAB))
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fi
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if [ "$SWAPCACHED" != "" ]; then
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echo "swap_cache.value" $(($SWAPCACHED * 1024))
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APPS=$(($APPS - $SWAPCACHED))
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fi
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if [ "$PAGETABLES" != "" ]; then
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echo "page_tables.value" $(($PAGETABLES * 1024))
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APPS=$(($APPS - $PAGETABLES))
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fi
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if [ "$VMALLOCUSED" != "" ]; then
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echo "vmalloc_used.value" $(($VMALLOCUSED * 1024))
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APPS=$(($APPS - $VMALLOCUSED))
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fi
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if [ "$COMMITTEDAS" != "" ]; then
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echo "committed.value" $(($COMMITTEDAS * 1024))
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fi
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if [ "$MAPPED" != "" ]; then
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echo "mapped.value" $(($MAPPED * 1024))
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fi
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if [ "$ACTIVE" != "" ]; then
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echo "active.value" $(($ACTIVE * 1024))
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fi
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if [ "$ACTIVEANON" != "" ]; then
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echo "active_anon.value" $(($ACTIVEANON * 1024))
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fi
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if [ "$ACTIVECACHE" != "" ]; then
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echo "active_cache.value" $(($ACTIVECACHE * 1024))
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fi
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if [ "$INACTIVE" != "" ]; then
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echo "inactive.value" $(($INACTIVE * 1024))
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fi
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if [ "$INACTDIRTY" != "" ]; then
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echo "inact_dirty.value" $(($INACTDIRTY * 1024))
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fi
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if [ "$INACTLAUNDRY" != "" ]; then
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echo "inact_laundry.value" $(($INACTLAUNDRY * 1024))
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fi
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if [ "$INACTCLEAN" != "" ]; then
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echo "inact_clean.value" $(($INACTCLEAN * 1024))
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fi
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echo "apps.value" $(($APPS * 1024))
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}
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