Re: [ndctl PATCH 3/5] test: Fix dax.sh expectations

["Verma, Vishal L" <vishal.l.verma@intel.com>]

On Wed, 2025-06-18 at 18:06 -0700, Alison Schofield wrote:
> On Wed, Jun 18, 2025 at 03:21:28PM -0700, Dan Williams wrote:
> > With current kernel+tracecmd combinations stdout is no longer purely trace
> > records and column "21" is no longer the vmfault_t result.
> > 
> > Drop, if present, the diagnostic print of how many CPUs are in the trace
> > and use the more universally compatible assumption that the fault result is
> > the last column rather than a specific column.
> > 
> > Signed-off-by: Dan Williams <dan.j.williams@intel.com>
> > ---
> >  test/dax.sh | 3 ++-
> >  1 file changed, 2 insertions(+), 1 deletion(-)
> > 
> > diff --git a/test/dax.sh b/test/dax.sh
> > index 3ffbc8079eba..98faaf0eb9b2 100755
> > --- a/test/dax.sh
> > +++ b/test/dax.sh
> > @@ -37,13 +37,14 @@ run_test() {
> >  	rc=1
> >  	while read -r p; do
> >  		[[ $p ]] || continue
> > +		[[ $p == cpus=* ]] && continue
> remove above line
> >  		if [ "$count" -lt 10 ]; then
> >  			if [ "$p" != "0x100" ] && [ "$p" != "NOPAGE" ]; then
> >  				cleanup "$1"
> >  			fi
> >  		fi
> >  		count=$((count + 1))
> > -	done < <(trace-cmd report | awk '{ print $21 }')
> > +	done < <(trace-cmd report | awk '{ print $NF }')
> replace above line w
> 	done < <(trace-cmd report | grep dax_pmd_fault_done | awk '{ print $NF }')

Very minor nit, but since you're already using awk, no need to grep
first, instead you can use awk's 'first part' to do the filtering - 

  done < <(trace-cmd report | awk '/dax_pmd_fault_done/{ print $NF }')

You can stick any regex between the /../ and it will only act on lines
matching that.