[LTP] [PATCH v2 1/3] tst_test.sh: Use LTP_TIMEOUT_MUL in TST_RETRY_FN()

[Clemens Famulla-Conrad]

On Thu, 2019-09-12 at 16:55 +0200, Petr Vorel wrote:
> Hi Clemens,
> 
> > On Thu, 2019-09-12 at 13:42 +0800, Li Wang wrote:
> > > On Thu, Sep 12, 2019 at 12:52 AM Clemens Famulla-Conrad <
> > > cfamullaconrad@suse.de> wrote:
> > > > Because of timeout problems when using TST_RETRY_FN() we do now
> > > > use
> > > > LTP_TIMEOUT_MUL to adopt the timeout value.
> > > > Introduced tst_adjut_timeout function to have a generic place
> > > > to
> > > > adopt timeout values.
> 
> 
> > > What about using tst_multipy_timeout as the function name? Since
> > > it
> > > only
> > > raises the timeout value with a multiplier.
> 
> +1.
> 
> > I had a this patchset [1] in my mind. 
> > Maybe we will also apply a minimum. But we would still just
> > multiply :)
> > so Sure we can name it tst_multiply_timeout().
> > [1]https://patchwork.ozlabs.org/patch/1155460
> 
> 
> 
> > > > Signed-off-by: Clemens Famulla-Conrad <cfamullaconrad@suse.de>
> > > > ---
> > > >  testcases/lib/tst_test.sh | 12 ++++++++----
> > > >  1 file changed, 8 insertions(+), 4 deletions(-)
> > > > diff --git a/testcases/lib/tst_test.sh
> > > > b/testcases/lib/tst_test.sh
> > > > index e0b24c6b9..03692e503 100644
> > > > --- a/testcases/lib/tst_test.sh
> > > > +++ b/testcases/lib/tst_test.sh
> > > > @@ -164,7 +164,7 @@ TST_RETRY_FN_EXP_BACKOFF()
> > > >  {
> > > >         local tst_fun="$1"
> > > >         local tst_exp=$2
> > > > -       local tst_sec=$(expr $3 \* 1000000)
> > > > +       local tst_sec=$(tst_adjust_timeout $(expr $3 \*
> > > > 1000000))
> > > >         local tst_delay=1
> > > >         if [ $# -ne 3 ]; then
> > > > @@ -371,12 +371,16 @@ _tst_rescmp()
> > > >         fi
> > > >  }
> > > > -
> > > > -_tst_setup_timer()
> > > > +tst_adjust_timeout()
> > > >  {
> > > >         LTP_TIMEOUT_MUL=${LTP_TIMEOUT_MUL:-1}
> > > > +       local timeout=$1
> > > > +       echo $(( timeout * LTP_TIMEOUT_MUL))
> > > Shouldn't we check the LTP_TIMEOUT_MUL > 1 before using it?
> 
> Also timeout should be checked.
> I'd tst_brk TBROK if either of them is < 0.
> 
> > Yes, thx for the hint.
> 
> BTW: I haven't finish patchset doing the same [1]. Feel free to
> include docs
> from [2].

Thx for that hint, was aware of that patchset [1].

> I'll also sent tonight LTP_TIMEOUT_MUL_MIN (as part of v2 for [3]).
> But it should be trivial to rebase changes of the later commit
> (whoever gets merged first).
> 
> 
> Kind regards,
> Petr
> 
> [1] https://patchwork.ozlabs.org/project/ltp/list/?series=120151&stat
> e=*
> [2] https://patchwork.ozlabs.org/patch/1133627/
> [3] https://patchwork.ozlabs.org/patch/1155460/