plan9fox/rc/bin/kmem
2011-03-30 18:29:07 +00:00

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#!/bin/rc
# kmem [kernel] - print summary of allocate blocks in running kernel
rfork e
if(! ~ $#* 0 1){
echo 'usage: kmem [kernel]' >[1=2]
exit usage
}
if(~ $#* 1)
binary=$1
echo 'kinit(); blocksummary()' | acid -k -lkernel -lpool -lleak $pid $binary | awk '
$1 == "block" {
addr=$6
size=$3
alloc=$4
total[alloc] += size
count[alloc]++
}
$1 == "summary" {
alloc=$2
cnt=$3
size=$4
total[alloc] += size
count[alloc] += cnt
}
END{
for(i in count)
printf("%6d %11d %s\n", count[i], total[i], i);
}
' | sort -nr