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Re: [XEN PATCH 9/9] CI: Add timing to junit



On Tue, Jun 03, 2025 at 11:35:22AM -0700, Stefano Stabellini wrote:
> On Tue, 3 Jun 2025, Anthony PERARD wrote:
> > From: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> > 
> > Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> > ---
> >  automation/scripts/run-tools-tests | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> > 
> > diff --git a/automation/scripts/run-tools-tests 
> > b/automation/scripts/run-tools-tests
> > index 852c1cfbcf..e38cc4068c 100755
> > --- a/automation/scripts/run-tools-tests
> > +++ b/automation/scripts/run-tools-tests
> > @@ -18,9 +18,12 @@ for f in "$1"/*; do
> >          continue
> >      fi
> >      echo "Running $f"
> > -    printf '  <testcase name="%s">\n' "$f" >> "$xml_out"
> > +    time_start=$EPOCHREALTIME
> >      "$f" 2>&1 | tee /tmp/out
> >      ret=${PIPESTATUS[0]}
> > +    time_end=$EPOCHREALTIME
> > +    time_test="$(bc <<<"$time_end - $time_start")"
> 
> As it looks like no other scripts need bc at the moment but we already
> rely on awk (automation/scripts/xilinx-smoke-dom0less-arm64.sh) I'd
> prefer this version:
> 
> time_test="$(awk "BEGIN {print $time_end - $time_start}")"

You mean I have to choose between busybox and busybox?

$ ls -l $(which bc awk)
lrwxrwxrwx    1 root     root            12 Feb 13 23:19 /usr/bin/awk -> 
/bin/busybox
lrwxrwxrwx    1 root     root            12 Feb 13 23:19 /usr/bin/bc -> 
/bin/busybox

:-)

I guess it doesn't really matter.

One difference though:
$ awk "BEGIN {print $time_end - $time_start}"
3.28798
$ bc <<<"$time_end - $time_start"
3.287982

awk is less precise, but I guess that doesn't matter as well, gitlab UI
isn't going to show the extra digits.

So I guess I can change to use `awk` instead, just in case for some
reason `bc` isn't present, since `awk` seems mandatory for many of our
scripts.

Thanks,

-- 
Anthony PERARD



 


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