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.willi...@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
}')
Thanks for all of these Dan!
For this one, I ran into more metadata in the trace file, other than
'cpu=' causing the test to fail. I've tested what I'm showing above,
which makes it immune to other things in the trace file.
Tell me you are OK w this and I'll apply this set to pending.
FYI the more metadata was:
version = 7
CPU 0 is empty
cpus=8
>
> if [ $count -lt 10 ]; then
> cleanup "$1"
> --
> 2.49.0
>
