ter*_*don 11
这应该做你需要的。它从以下位置获取信息/proc/$PID/statm并打印(来自man procfs):
size total program size
(same as VmSize in /proc/[pid]/status)
resident resident set size
(same as VmRSS in /proc/[pid]/status)
share shared pages (from shared mappings)
data data + stack
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剧本:
#!/usr/bin/env bash
## Print header
echo -e "Size\tResid.\tShared\tData\t%"
while [ 1 ]; do
## Get the PID of the process name given as argument 1
pidno=`pgrep $1`
## If the process is running, print the memory usage
if [ -e /proc/$pidno/statm ]; then
## Get the memory info
m=`awk '{OFS="\t";print $1,$2,$3,$6}' /proc/$pidno/statm`
## Get the memory percentage
perc=`top -bd .10 -p $pidno -n 1 | grep $pidno | gawk '{print \$10}'`
## print the results
echo -e "$m\t$perc";
## If the process is not running
else
echo "$1 is not running";
fi
done
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然后您可以调用该脚本,为其提供一个进程名称作为输入。例如:
$ memusage.sh firefox
Size Resid. Shared Data %
517193 261902 9546 400715 12.8
517193 261902 9546 400715 12.8
517193 261902 9546 400715 12.8
517193 262100 9546 400715 12.8
517193 262100 9546 400715 12.8
517193 262100 9546 400715 12.8
517209 261899 9546 400731 12.8
517209 261899 9546 400731 12.8
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