On Sat, 19 Nov 2022 10:36:59 +0800 Tiezhu Yang <yangtiezhu@xxxxxxxxxxx> wrote: > The latest version of grep claims the egrep is now obsolete so the build > now contains warnings that look like: > egrep: warning: egrep is obsolescent; using grep -E > fix this up by moving the related file to use "grep -E" instead. > > sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/vm` > > Here are the steps to install the latest grep: > > wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz > tar xf grep-3.8.tar.gz > cd grep-3.8 && ./configure && make > sudo make install > export PATH=/usr/local/bin:$PATH > > ... > > --- a/tools/vm/slabinfo-gnuplot.sh > +++ b/tools/vm/slabinfo-gnuplot.sh > @@ -150,7 +150,7 @@ do_preprocess() > let lines=3 > out=`basename "$in"`"-slabs-by-loss" > `cat "$in" | grep -A "$lines" 'Slabs sorted by loss' |\ > - egrep -iv '\-\-|Name|Slabs'\ > + grep -E -iv '\-\-|Name|Slabs'\ > | awk '{print $1" "$4+$2*$3" "$4}' > "$out"` > if [ $? -eq 0 ]; then > do_slabs_plotting "$out" > @@ -159,7 +159,7 @@ do_preprocess() > let lines=3 > out=`basename "$in"`"-slabs-by-size" > `cat "$in" | grep -A "$lines" 'Slabs sorted by size' |\ > - egrep -iv '\-\-|Name|Slabs'\ > + grep -E -iv '\-\-|Name|Slabs'\ > | awk '{print $1" "$4" "$4-$2*$3}' > "$out"` > if [ $? -eq 0 ]; then > do_slabs_plotting "$out" Thanks. I'll add a cc:stable to this, in an attempt to make older kernels work well with newer toolchains.
