Em Thu, Oct 18, 2012 at 10:31:57AM +0900, Namhyung Kim escreveu:
> On Wed, 17 Oct 2012 14:19:44 -0300, Arnaldo Carvalho de Melo wrote:
> > From: Arnaldo Carvalho de Melo <a...@redhat.com>
> > The commit 0c1fe6b:
> > 'perf tools: Have the page size value available for all tools'
> Is that commit in your perf/urgent branch? I got this:
> GEN python/perf.so
Ouch, brown paper bag grade stuff detected, I reverted it now in my perf/urgent
branch.
Ingo, I'm on a conference here in Brazil, just pushed this revert to
perf/urgent, up to you if you want to pull from it or apply all the
csets in this branch except for the one reverted:
commit 356712f6e296fdae1edae51b96b485ed830bdc0c
Author: Arnaldo Carvalho de Melo <a...@redhat.com>
Date: Tue Oct 16 14:51:04 2012 -0300
perf python: Initialize 'page_size' variable
-----------------------
I'll keep it on my perf/core branch, where it is needed.
Thanks Namhyung!
- Arnaldo
> util/python.c: In function ‘initperf’:
> util/python.c:1018:2: error: ‘page_size’ undeclared (first use in this
> function)
> util/python.c:1018:2: note: each undeclared identifier is reported only once
> for each function it appears in
> error: command 'gcc' failed with exit status 1
> cp: cannot stat `python_ext_build/lib/perf.so': No such file or directory
> make: *** [python/perf.so] Error 1
>
> Adding '#include "util.h"' didn't work. But manually adding 'extern
> unsigned int page_size;' did.
>
> Thanks,
> Namhyung
>
>
> >
> > Broke the python binding because the global variable 'page_size' is
> > initialized on the main() routine, that is not called when using
> > just the python binding, causing evlist.mmap() to fail because it
> > expects that variable to be initialized to the system's page size.
> >
> > Fix it by initializing it on the binding init routine.
> >
> > Cc: David Ahern <dsah...@gmail.com>
> > Cc: Frederic Weisbecker <fweis...@gmail.com>
> > Cc: Jiri Olsa <jo...@redhat.com>
> > Cc: Mike Galbraith <efa...@gmx.de>
> > Cc: Namhyung Kim <namhy...@gmail.com>
> > Cc: Paul Mackerras <pau...@samba.org>
> > Cc: Peter Zijlstra <pet...@infradead.org>
> > Cc: Stephane Eranian <eran...@google.com>
> > Link: http://lkml.kernel.org/n/tip-vrvp3azmbfzexnpmkhmvt...@git.kernel.org
> > Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
> > ---
> > tools/perf/util/python.c | 2 ++
> > 1 files changed, 2 insertions(+), 0 deletions(-)
> >
> > diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
> > index 9181bf2..a2657fd 100644
> > --- a/tools/perf/util/python.c
> > +++ b/tools/perf/util/python.c
> > @@ -1015,6 +1015,8 @@ PyMODINIT_FUNC initperf(void)
> > pyrf_cpu_map__setup_types() < 0)
> > return;
> >
> > + page_size = sysconf(_SC_PAGE_SIZE);
> > +
> > Py_INCREF(&pyrf_evlist__type);
> > PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type);
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