linux-kernel - Re: [PATCH] oprofile: check whether oprofile perf enabled in op_overflow

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Message-ID: <5301F4FC.30301@huawei.com>
Date:	Mon, 17 Feb 2014 19:39:40 +0800
From:	Weng Meiling <wengmeiling.weng@...wei.com>
To:	Will Deacon <will.deacon@....com>
CC:	Robert Richter <rric@...nel.org>,
	"oprofile-list@...ts.sf.net" <oprofile-list@...ts.sf.net>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Li Zefan <lizefan@...wei.com>,
	"wangnan0@...wei.com" <wangnan0@...wei.com>,
	"zhangwei(Jovi)" <jovi.zhangwei@...wei.com>,
	Huang Qiang <h.huangqiang@...wei.com>,
	"sdu.liu@...wei.com" <sdu.liu@...wei.com>
Subject: Re: [PATCH] oprofile: check whether oprofile perf enabled in op_overflow_handler()

On 2014/2/17 18:08, Will Deacon wrote:
> On Sat, Feb 15, 2014 at 02:41:09AM +0000, Weng Meiling wrote:
>> Hi Will,
>>
>>  I test kernel with this patch, the problem has be fixed. When the
>>  event's sample_period is small, the cpu will not stall except printing
>>  warning "oprofile: ignoring spurious overflow ignoring spurious overflow".
>>  This is normal for unregistered event.
>>
>>  So would you please send a formal one? :) Thanks very much!
> 
> It's already in -next.
> 
> Will
> 
> 

OK, Thanks~

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