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|
#!/bin/bash
# IBM "amsstat": Active Memory Sharing statistics gathering tool
#
# Copyright (c) 2009 International Business Machines.
#
# 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.
#
# Authors:
# Andrew Theurer <habanero@linux.vnet.ibm.com>
# Robert Jennings <rcj@linux.vnet.ibm.com>
#
# This script will gather AMS related information on supported Linux systems
# usage:
# amstat <interval in seconds>
#
# If you do not provide an interval, amsstat will display stats only once
#
# For further details on this tool and the fields it displays please
# reference man page amsstat.1
sleep_interval=$1
indent=-4
devstat_data_spacing=-30
lparcfg_data_spacing=-30
lparcfg_file=/proc/ppc64/lparcfg
# Hardcoding pseries_platform path as amstat will be placed in bin
PSERIES_PLATFORM=/usr/sbin/pseries_platform
function print_meminfo_stats {
echo "System Memory Statistics:"
OLD_IFS=${IFS}
IFS="
"
for stat in `cat /proc/meminfo`; do
IFS=${OLD_IFS}
if echo $stat | grep "^MemTotal\|^MemFree\|^Buffers\|^Cached\|^Inactive\|SwapTotal\|SwapFree" >/dev/null; then
this_stat=`echo $stat | awk -F: '{print $1}'`
this_value=`echo $stat | awk -F: '{print $2}'`
printf "%${indent}s %${lparcfg_data_spacing}s %${lparcfg_data_spacing}s\n" " " "$this_stat:" "${this_value##\ }"
fi
done
# Include Desired Memory value from /proc/ppc64/lparcfg
stat=`grep "^DesMem" $lparcfg_file`
if [ ! -z "${stat}" ]; then
this_stat=`echo $stat | awk -F= '{print $1}'`
this_value=`echo $stat | awk -F= '{print $2}'`
printf "%${indent}s %${lparcfg_data_spacing}s %${lparcfg_data_spacing}s\n" " " "$this_stat:" "$this_value MB"
fi
}
function print_entitlement_data {
echo "Entitlement Information:"
for stat in `cat $lparcfg_file`; do
if echo $stat | grep "^entitled_memory\|^mapped_entitled_memory\|^entitled_memory_weight\|entitled_memory_pool_size\|^backing_memory\|^cmo_enabled\|^cmo_faults\|^cmo_fault_time_usec\|cmo_primary_psp\|^cmo_secondary_psp\|^coalesced_bytes\|^pool_coalesced_bytes" >/dev/null; then
this_stat=`echo $stat | awk -F= '{print $1}'`
this_value=`echo $stat | awk -F= '{print $2}'`
printf "%${indent}s %${lparcfg_data_spacing}s %${lparcfg_data_spacing}s\n" " " "$this_stat:" "$this_value"
fi
done
}
function print_cmm_stats {
# CMM kernel parameters
echo "CMM Statistics:"
local path=/sys/module/cmm/parameters
pushd $path >/dev/null 2>&1
if [ $? -ne 0 ] ; then
printf "%${indent}s Could not get CMM Statistics.\n" " "
return
fi
for stat in `find . -mindepth 1 -maxdepth 1 -print`; do
printf "%${indent}s %${devstat_data_spacing}s %${devstat_data_spacing}s\n" " " "${stat#\.\/}:" "`cat $stat`"
done
popd >/dev/null
# CMM statistics
local path=/sys/devices/system/cmm/cmm0
pushd $path >/dev/null 2>&1
if [ $? -ne 0 ] ; then
return
fi
for stat in `find . -mindepth 1 -maxdepth 1 -print`; do
printf "%${indent}s %${devstat_data_spacing}s %${devstat_data_spacing}s\n" " " "${stat#\.\/}:" "`cat $stat`"
done
popd >/dev/null
}
function print_vio_bus_stats {
echo "VIO Bus Statistics:"
local found=0
local path=/sys/bus/vio
pushd $path >/dev/null 2>&1
if [ $? -ne 0 ] ; then
printf "%${indent}s Could not get VIO Bus Statistics.\n" " "
return
fi
for stat in `find . -mindepth 1 -maxdepth 1 -name "cmo*" -print`; do
found=1
printf "%${indent}s %${devstat_data_spacing}s %${devstat_data_spacing}s\n" " " "${stat#\.\/}:" "`cat $stat`"
done
popd >/dev/null
if [ "$found" -eq "0" ]; then
printf "%${indent}s No AMS Busses found.\n" " "
fi
}
function print_vio_dev_stats {
echo "VIO Device Statistics:"
local found=0
local path=/sys/bus/vio/devices
pushd $path >/dev/null 2>&1
if [ $? -ne 0 ] ; then
printf "%${indent}s Could not get VIO Device Statistics.\n" " "
return
fi
for dir in `find . -mindepth 1 -print`; do
pushd $dir >/dev/null 2>&1
if [ $? -ne 0 ] ; then
break
fi
# Skip printing devices that are not using entitlement
if [ ! -e "cmo_entitled" ]; then
popd >/dev/null
continue
fi
value=`cat cmo_entitled`
if [ ${value} -eq "0" ]; then
popd >/dev/null
continue
fi
NAME=$(cat devspec)
echo " ${NAME##/*/}:"
for stat in `find . -mindepth 1 -maxdepth 1 -name "cmo*" -print`; do
found=1
printf "%${indent}s %${devstat_data_spacing}s %${devstat_data_spacing}s\n" " " "${stat#\.\/}:" "`cat $stat`"
done
popd >/dev/null
done
popd >/dev/null
if [ "$found" -eq "0" ]; then
printf "%${indent}s No AMS devices found.\n" " "
fi
}
if [ ! -f $PSERIES_PLATFORM ]; then
echo "$PSERIES_PLATFORM does not exist"
echo "amstat: is not supported on the Unknown platform"
exit 1;
fi
. $PSERIES_PLATFORM
if [[ $platform != $PLATFORM_PSERIES_LPAR ]]; then
echo "amstat: is not supported on the $platform_name platform"
exit 1
fi
# Verify CMO is present and enabled
enabled=`cat $lparcfg_file | grep "^cmo_enabled" | awk -F= '{print $2}'`
if [ -z $enabled ]; then
echo "This system is not capable of Active Memory Sharing."
exit -1
elif [ "$enabled" -eq "0" ]; then
echo "Active Memory Sharing is not enabled on this system."
exit -1
fi
if [ -z $sleep_interval ]; then
date
print_meminfo_stats
print_entitlement_data
print_cmm_stats
print_vio_bus_stats
print_vio_dev_stats
else
while [ 1 ]; do
date
print_meminfo_stats
print_entitlement_data
print_cmm_stats
print_vio_bus_stats
print_vio_dev_stats
sleep $sleep_interval
echo
done
fi
|
