Em Fri, Jul 03, 2015 at 06:21:48PM +0800, Hou Pengyang escreveu:
> On 2015/6/30 22:50, Arnaldo Carvalho de Melo wrote:
> >Well, we _can_ detect this automatically, its just a matter of parsing
> >/proc/PID/smaps, right?
> >What I was discussing was a way only parse smaps when we know we need
> >
On 2015/6/30 22:50, Arnaldo Carvalho de Melo wrote:
Em Tue, Jun 30, 2015 at 05:33:05PM +0800, Hou Pengyang escreveu:
On 2015/6/29 21:42, Arnaldo Carvalho de Melo wrote:
Em Mon, Jun 29, 2015 at 10:23:29AM -0300, Arnaldo Carvalho de Melo escreveu:
Em Sat, Jun 27, 2015 at 05:08:20PM +0800, Hou Pe
Em Tue, Jun 30, 2015 at 05:33:05PM +0800, Hou Pengyang escreveu:
> On 2015/6/29 21:42, Arnaldo Carvalho de Melo wrote:
> >Em Mon, Jun 29, 2015 at 10:23:29AM -0300, Arnaldo Carvalho de Melo escreveu:
> >>Em Sat, Jun 27, 2015 at 05:08:20PM +0800, Hou Pengyang escreveu:
> >>>So I wonder if there is a
On 2015/6/29 21:42, Arnaldo Carvalho de Melo wrote:
Em Mon, Jun 29, 2015 at 10:23:29AM -0300, Arnaldo Carvalho de Melo escreveu:
Em Sat, Jun 27, 2015 at 05:08:20PM +0800, Hou Pengyang escreveu:
There is something about MAP_HUGETLB.
In this patch, we check if a mmap area is hugetlbfs area by
Em Mon, Jun 29, 2015 at 10:23:29AM -0300, Arnaldo Carvalho de Melo escreveu:
> Em Sat, Jun 27, 2015 at 05:08:20PM +0800, Hou Pengyang escreveu:
> > There is something about MAP_HUGETLB.
>
> > In this patch, we check if a mmap area is hugetlbfs area by MAP_HUGETLB,
> > a bit in MMAP2 event.
>
>
Em Sat, Jun 27, 2015 at 05:08:20PM +0800, Hou Pengyang escreveu:
> There is something about MAP_HUGETLB.
> In this patch, we check if a mmap area is hugetlbfs area by MAP_HUGETLB,
> a bit in MMAP2 event.
> However, if mmap area is hugetlb related, MAP_HUGETLB does not always
> appear. Because,
On 2015/6/27 16:49, Hou Pengyang wrote:
Maps for JIT is helpful for symbols-parsing for anon-executable-memory.
What we need to do is to add (START, SIZE, symbolname) to /tmp/perf-%d.map
(%d = pid of process), and perf would parse symbol located in this area
according to /tmp/perf-%d.map. It work
Maps for JIT is helpful for symbols-parsing for anon-executable-memory.
What we need to do is to add (START, SIZE, symbolname) to /tmp/perf-%d.map
(%d = pid of process), and perf would parse symbol located in this area
according to /tmp/perf-%d.map. It works well for normal mmap.
However, when we
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