xfnw/plan9fox
1
0
Fork 0
Code Issues Pull requests Projects Releases Wiki Activity

tap: various improvements

Browse source 
dont use sed pipeline for indention, cache process arguments,
get process list once at start.
This commit is contained in:
cinap_lenrek 2012-11-12 02:12:05 +01:00
parent 00daf47137
commit 1f02aabc6b
1 changed files with 26 additions and 17 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

43
rc/bin/tap
View file

@ -1,7 +1,12 @@
#!/bin/rc
rfork e
v=()
if(~ $#* 0){
echo 'Usage: ' $0 '[ pid ... ]' >[1=2]
exit usage
}
f=/proc/*/fd
fn otherqid {
x=`{echo $1 | sed 's/[12]$//'}
@ -15,9 +20,10 @@ fn otherqid {
fn traceqid {
while(! ~ $#* 0){
echo '['$2']' $3 $1
tracepid `{grep -n `{otherqid $1} /proc/*/fd | sed 's!^/proc/([^/]+)/.*!\1!g'} \
| sed 's/^/ /g'
echo $t '['$2']' $3 $1
t=(' ' $t)
tracepid `{grep -n `{otherqid $1} $f >[2]/dev/null | sed 's!^/proc/([^/]+)/.*!\1!g'}
t=$t(2-)
shift
shift
shift
@ -26,22 +32,25 @@ fn traceqid {
fn tracepid {
while(! ~ $#* 0){
echo $1 `{cat /proc/$1/args >[2]/dev/null}
switch($1){
case $v
echo ' ...'
case *
v=($1 $v)
traceqid `{awk '/\|/{q=substr($5,2);print q" "$1" "$10}' /proc/$1/fd} \
| sed 's/^/ /g'
a=ap$1
v=av$1
if(~ $$v $1){
echo $t $1 $$a ' ...'
}
if not {
$v=$1
$a=`{cat /proc/$1/args >[2]/dev/null}
if(~ $$a ''){
s=`{cat /proc/$1/status >[2]/dev/null}
$a=$s(1)
}
echo $t $1 $$a
t=(' ' $t)
traceqid `{awk '/\|/{q=substr($5,2);print q" "$1" "$10}' /proc/$1/fd >[2]/dev/null}
t=$t(2-)
}
shift
}
}
if(~ $#* 0){
echo 'Usage: ' $0 '[ pid ... ]' >[1=2]
exit usage
}
tracepid $*