On Mon, Oct 17, 2016 at 11:38:21AM -0300, Arnaldo Carvalho de Melo wrote: > Em Sun, Oct 16, 2016 at 09:08:03PM +0200, Sebastian Andrzej Siewior escreveu: > > By default the application uses malloc() and all available CPUs. This > > patch introduces NUMA support which means: > > - memory is allocated node local via numa_alloc_local() > > - all CPUs of the specified NUMA node are used. This is also true if the > > number of threads set is greater than the number of CPUs available on > > this node. > > > > Signed-off-by: Sebastian Andrzej Siewior <bige...@linutronix.de> > > --- > > tools/perf/bench/Build | 4 ++ > > tools/perf/bench/futex-hash.c | 87 > > ++++++++++++++++++++++++++++++++++++++----- > > 2 files changed, 81 insertions(+), 10 deletions(-) > > > > diff --git a/tools/perf/bench/Build b/tools/perf/bench/Build > > index 60bf11943047..9e6e518d7d62 100644 > > --- a/tools/perf/bench/Build > > +++ b/tools/perf/bench/Build > > @@ -1,3 +1,7 @@ > > +ifdef CONFIG_NUMA > > +CFLAGS_futex-hash.o += -DCONFIG_NUMA=1 > > +endif > > Jiri, do we really need this? I.e. aren't the CONFIG_FOO defines > available to tools?
not directly ATM.. it's prepared for the .config customary setting feature meanwhile we set HAVE_* defines, like for CONFIG_NUMA we have: -DHAVE_LIBNUMA_SUPPORT you can check it in Makefile.config jirka
