On Mon, Sep 23, 2013 at 06:29:15PM +0900, Namhyung Kim wrote:
> Hi,
>
> On Sun, 22 Sep 2013 13:15:59 +0200, Jiri Olsa wrote:
> > On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
> >> From: Namhyung Kim
> >
> > SNIP
> >
> >> index 2b585bc308cf..1b22b6269213 100644
> >> --- a/tools/per
Hi,
On Sun, 22 Sep 2013 13:15:59 +0200, Jiri Olsa wrote:
> On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
>> From: Namhyung Kim
>
> SNIP
>
>> index 2b585bc308cf..1b22b6269213 100644
>> --- a/tools/perf/util/callchain.h
>> +++ b/tools/perf/util/callchain.h
>> @@ -21,10 +21,9 @@ enum
On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim
SNIP
> index 2b585bc308cf..1b22b6269213 100644
> --- a/tools/perf/util/callchain.h
> +++ b/tools/perf/util/callchain.h
> @@ -21,10 +21,9 @@ enum chain_order {
>
> struct callchain_node {
> struct callchai
On Tue, Sep 10, 2013 at 12:25:54PM +0200, Ingo Molnar wrote:
>
> * Jiri Olsa wrote:
>
> > On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
> > > From: Namhyung Kim
> > >
> > > Current collapse stage has a scalability problem which can be
> > > reproduced easily with parallel kerne
* Jiri Olsa wrote:
> On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
> > From: Namhyung Kim
> >
> > Current collapse stage has a scalability problem which can be
> > reproduced easily with parallel kernel build. This is because it
> > needs to traverse every children of callchai
On Tue, Sep 10, 2013 at 05:24:16PM +0900, Namhyung Kim wrote:
> From: Namhyung Kim
>
> Current collapse stage has a scalability problem which can be
> reproduced easily with parallel kernel build. This is because it
> needs to traverse every children of callchain linearly during the
> collapse/m
On Tue, 10 Sep 2013 17:24:16 +0900, Namhyung Kim wrote:
>
> - /* matches not, relay on the parent */
> + /* matches not, relay no the parent */
Argh.. please ignore this hunk.
Thanks,
Namhyung
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From: Namhyung Kim
Current collapse stage has a scalability problem which can be
reproduced easily with parallel kernel build. This is because it
needs to traverse every children of callchain linearly during the
collapse/merge stage. Convert it to rbtree reduced the overhead
significantly.
On
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