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


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@arm.com
>> [2] http://lkml.kernel.org/g/1450921362-198371-1-git-send-email-wangnan0@huawei.com
>>
>> Signed-off-by: Wang Nan <wangnan0@huawei.com>
>> Cc: Will Deacon <will.deacon@arm.com>
> 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.

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