Re: [PATCH 17/53] perf test: Improve bp_signal

[Wangnan (F)]

On 2016/1/12 5:37, Arnaldo Carvalho de Melo wrote:
> Em Mon, Jan 11, 2016 at 01:48:08PM +0000, Wang Nan escreveu:
> > Will Deacon [1] has some question on patch [2]. This patch improves
> > test__bp_signal so we can test:
> >
> >   1. A watchpoint and a breakpoint that fire on the same instruction
> >   2. Nested signals
> >
> > Test result:
> >
> >   On x86_64 and ARM64 (result are similar with patch [2] on ARM64):
> >
> >   # ./perf test -v signal
> >   17: Test breakpoint overflow signal handler                  :
> >   --- start ---
> >   test child forked, pid 10213
> >   count1 1, count2 3, count3 2, overflow 3, overflows_2 3
> >   test child finished with 0
> >   ---- end ----
> >   Test breakpoint overflow signal handler: Ok
> >
> > So at least 2 cases Will doubted are handled correctly.
> >
> > [1] http://lkml.kernel.org/g/20160104165535.GI1616@xxxxxxx
> > [2] http://lkml.kernel.org/g/1450921362-198371-1-git-send-email-wangnan0@xxxxxxxxxx
> >
> > Signed-off-by: Wang Nan <wangnan0@xxxxxxxxxx>
> > Cc: Will Deacon <will.deacon@xxxxxxx>
> Will, are you ok with this one? Can I have an Acked-by or better,
> Tested-by for the AARCH64 base?

Patch [2] is still in question. On AArch64 this test will fail even
without this patch.

Thank you.