On 2016/3/28 9:58, Wangnan (F) wrote:
On 2016/3/28 9:07, Wangnan (F) wrote:
On 2016/3/27 23:30, pi3orama wrote:
发自我的 iPhone
在 2016年3月27日，下午11:20，Peter Zijlstra
写道：
On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote:
I think you enabled some unusual config options?
x86_64-
On 2016/3/28 9:07, Wangnan (F) wrote:
On 2016/3/27 23:30, pi3orama wrote:
发自我的 iPhone
在 2016年3月27日，下午11:20，Peter Zijlstra
写道：
On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote:
I think you enabled some unusual config options?
x86_64-defconfig
You must enabled CONFIG_OPTIM
On 2016/3/27 23:30, pi3orama wrote:
发自我的 iPhone
在 2016年3月27日，下午11:20，Peter Zijlstra 写道：
On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote:
I think you enabled some unusual config options?
x86_64-defconfig
You must enabled CONFIG_OPTIMIZE_INLINING. Now I get similar result:
I
发自我的 iPhone
> 在 2016年3月27日，下午11:20，Peter Zijlstra 写道：
>
> On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote:
I think you enabled some unusual config options?
>
> x86_64-defconfig
>
>>> You must enabled CONFIG_OPTIMIZE_INLINING. Now I get similar result:
>
> It has that indeed
On Fri, Mar 25, 2016 at 10:14:36PM +0800, Wangnan (F) wrote:
> >>I think you enabled some unusual config options?
x86_64-defconfig
> >You must enabled CONFIG_OPTIMIZE_INLINING. Now I get similar result:
It has that indeed.
> After enabling CONFIG_OPTIMIZE_INLINING:
>
> Test its performance by
On 2016/3/25 20:36, Wangnan (F) wrote:
On 2016/3/25 20:26, Wangnan (F) wrote:
On 2016/3/23 17:50, Peter Zijlstra wrote:
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
Convert perf_output_begin to __perf_output_begin and make the later
function able to write records from the en
On 2016/3/25 20:26, Wangnan (F) wrote:
On 2016/3/23 17:50, Peter Zijlstra wrote:
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
Convert perf_output_begin to __perf_output_begin and make the later
function able to write records from the end of the ring buffer.
Following commits wi
On 2016/3/23 17:50, Peter Zijlstra wrote:
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
Convert perf_output_begin to __perf_output_begin and make the later
function able to write records from the end of the ring buffer.
Following commits will utilize the 'backward' flag.
This patc
On Thu, Mar 24, 2016 at 11:48:54AM +0800, Wangnan (F) wrote:
>
> >>http://lkml.iu.edu/hypermail/linux/kernel/1601.2/03966.html
> >Wang, when you respin, please add all perf analysis that you've
> >done and the reasons to do it this way to commit log
> >to make sure it stays in git history.
> >
> >
On 2016/3/24 3:25, Alexei Starovoitov wrote:
On Wed, Mar 23, 2016 at 06:08:41PM +0800, Wangnan (F) wrote:
On 2016/3/23 17:50, Peter Zijlstra wrote:
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
Convert perf_output_begin to __perf_output_begin and make the later
function able to
On Wed, Mar 23, 2016 at 06:08:41PM +0800, Wangnan (F) wrote:
>
>
> On 2016/3/23 17:50, Peter Zijlstra wrote:
> >On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
> >>Convert perf_output_begin to __perf_output_begin and make the later
> >>function able to write records from the end of the
On 2016/3/23 17:50, Peter Zijlstra wrote:
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
Convert perf_output_begin to __perf_output_begin and make the later
function able to write records from the end of the ring buffer.
Following commits will utilize the 'backward' flag.
This patc
On Mon, Mar 14, 2016 at 09:59:43AM +, Wang Nan wrote:
> Convert perf_output_begin to __perf_output_begin and make the later
> function able to write records from the end of the ring buffer.
> Following commits will utilize the 'backward' flag.
>
> This patch doesn't introduce any extra perform
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