On Wed, Nov 01, 2017 at 08:56:32PM +0800, Wangnan (F) wrote:
>
>
> On 2017/11/1 20:39, Jiri Olsa wrote:
> > On Wed, Nov 01, 2017 at 08:10:49PM +0800, Wangnan (F) wrote:
> >
> > SNIP
> >
> > > > > > diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> > > > > > index c6c891e154a6..
On Thu, Nov 02, 2017 at 01:25:08PM +, Liang, Kan wrote:
> Hi Namhyung,
>
> > On Wed, Nov 01, 2017 at 04:22:53PM +, Liang, Kan wrote:
> > > > On 2017/11/1 21:57, Liang, Kan wrote:
> > > > >> On 2017/11/1 20:00, Namhyung Kim wrote:
> > > > >>> On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangna
Hi Namhyung,
> On Wed, Nov 01, 2017 at 04:22:53PM +, Liang, Kan wrote:
> > > On 2017/11/1 21:57, Liang, Kan wrote:
> > > >> On 2017/11/1 20:00, Namhyung Kim wrote:
> > > >>> On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
> > > > There are only four test cases which set overwrite,
Hi Kan,
On Wed, Nov 01, 2017 at 04:22:53PM +, Liang, Kan wrote:
> > On 2017/11/1 21:57, Liang, Kan wrote:
> > >> On 2017/11/1 20:00, Namhyung Kim wrote:
> > >>> On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
> > > There are only four test cases which set overwrite,
> > > sw-clock
> On 2017/11/1 21:57, Liang, Kan wrote:
> >> On 2017/11/1 20:00, Namhyung Kim wrote:
> >>> On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
> On 2017/11/1 17:49, Namhyung Kim wrote:
> > Hi,
> >
> > On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
> >> perf
On 2017/11/1 21:57, Liang, Kan wrote:
On 2017/11/1 20:00, Namhyung Kim wrote:
On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
On 2017/11/1 17:49, Namhyung Kim wrote:
Hi,
On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
perf record backward recording doesn't work as we
> On 2017/11/1 20:00, Namhyung Kim wrote:
> > On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
> >>
> >> On 2017/11/1 17:49, Namhyung Kim wrote:
> >>> Hi,
> >>>
> >>> On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
> perf record backward recording doesn't work as we expec
On 2017/11/1 20:39, Jiri Olsa wrote:
On Wed, Nov 01, 2017 at 08:10:49PM +0800, Wangnan (F) wrote:
SNIP
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index c6c891e154a6..27ebe355e794 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -838,6 +838,11 @@ s
On Wed, Nov 01, 2017 at 08:10:49PM +0800, Wangnan (F) wrote:
SNIP
> > > > diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
> > > > index c6c891e154a6..27ebe355e794 100644
> > > > --- a/tools/perf/util/evlist.c
> > > > +++ b/tools/perf/util/evlist.c
> > > > @@ -838,6 +838,11 @@ sta
On 2017/11/1 20:00, Namhyung Kim wrote:
On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
On 2017/11/1 17:49, Namhyung Kim wrote:
Hi,
On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
perf record backward recording doesn't work as we expected: it never
overwrite when rin
On Wed, Nov 01, 2017 at 06:32:50PM +0800, Wangnan (F) wrote:
>
>
> On 2017/11/1 17:49, Namhyung Kim wrote:
> > Hi,
> >
> > On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
> > > perf record backward recording doesn't work as we expected: it never
> > > overwrite when ring buffer full.
>
On 2017/11/1 17:49, Namhyung Kim wrote:
Hi,
On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
perf record backward recording doesn't work as we expected: it never
overwrite when ring buffer full.
Test:
(Run a busy printing python task background like this:
while True:
print
Hi,
On Wed, Nov 01, 2017 at 05:53:26AM +, Wang Nan wrote:
> perf record backward recording doesn't work as we expected: it never
> overwrite when ring buffer full.
>
> Test:
>
> (Run a busy printing python task background like this:
>
> while True:
> print 123
>
> send SIGUSR2 to per
perf record backward recording doesn't work as we expected: it never
overwrite when ring buffer full.
Test:
(Run a busy printing python task background like this:
while True:
print 123
send SIGUSR2 to perf to capture snapshot.)
# ./perf record --overwrite -e raw_syscalls:sys_enter -e ra
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