于 2014/5/13 23:06, Frederic Weisbecker 写道:
> On Tue, May 13, 2014 at 02:00:46PM +0200, Jiri Olsa wrote:
>> On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
>>> Hi guys,
>>>
>>> Does perf support different length of user-space hw_breakpoi
On Tue, May 13, 2014 at 02:00:46PM +0200, Jiri Olsa wrote:
> On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
> > Hi guys,
> >
> > Does perf support different length of user-space hw_breakpoint,
> > such as HW_BREAKPOINT_LEN_1/HW_BREAKPOIN
On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
> Hi guys,
>
> Does perf support different length of user-space hw_breakpoint,
> such as HW_BREAKPOINT_LEN_1/HW_BREAKPOINT_LEN_2/HW_BREAKPOINT_LEN_4/
> HW_BREAKPOINT_LEN_8?
>
> Seems perf only support HW_BREAKPO
e:
>>>>> Hi guys,
>>>>>
>>>>> Does perf support different length of user-space hw_breakpoint,
>>>>> such as HW_BREAKPOINT_LEN_1/HW_BREAKPOINT_LEN_2/HW_BREAKPOINT_LEN_4/
>>>>> HW_BREAKPOINT_LEN_8?
>>>>>
>>>
于 2014/5/12 16:48, Peter Zijlstra 写道:
> On Mon, May 12, 2014 at 04:20:44PM +0800, kaixu xia wrote:
>> 2014-05-12 16:05 GMT+08:00 Peter Zijlstra :
>>
>>> On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
>>>> Hi guys,
>>>>
>>>> Do
On Mon, May 12, 2014 at 04:20:44PM +0800, kaixu xia wrote:
> 2014-05-12 16:05 GMT+08:00 Peter Zijlstra :
>
> > On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
> > > Hi guys,
> > >
> > > Does perf support different length of user-space hw_breakpo
On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote:
> Hi guys,
>
> Does perf support different length of user-space hw_breakpoint,
> such as HW_BREAKPOINT_LEN_1/HW_BREAKPOINT_LEN_2/HW_BREAKPOINT_LEN_4/
> HW_BREAKPOINT_LEN_8?
>
> Seems perf only support HW_BREAKPO
Hi guys,
Does perf support different length of user-space hw_breakpoint,
such as HW_BREAKPOINT_LEN_1/HW_BREAKPOINT_LEN_2/HW_BREAKPOINT_LEN_4/
HW_BREAKPOINT_LEN_8?
Seems perf only support HW_BREAKPOINT_LEN_4/sizeof(long)
by default from the source code and simple test.
May I have your opinions
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