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Date: Tue, 12 Jan 2016 12:13:09 +0800 From: "Wangnan (F)" <wangnan0@...wei.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> CC: <linux-kernel@...r.kernel.org>, <pi3orama@....com>, <lizefan@...wei.com>, <netdev@...r.kernel.org>, <davem@...emloft.net>, Will Deacon <will.deacon@....com>, Jiri Olsa <jolsa@...nel.org> Subject: Re: [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@...wei.com> >> Cc: Will Deacon <will.deacon@....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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