Messages in this thread | | | From | Stephane Eranian <> | Date | Mon, 31 Jan 2022 23:28:13 -0800 | Subject | Re: [PATCH v5 07/13] perf/x86/amd: make Zen3 branch sampling opt-in |
| |
On Thu, Jan 27, 2022 at 4:51 AM Peter Zijlstra <peterz@infradead.org> wrote: > > On Wed, Jan 26, 2022 at 03:34:48PM -0800, Stephane Eranian wrote: > > This patch adds a kernel config option to make support > > for AMD Zen3 Branch Sampling (BRS) an opt-in compile > > time option. > > > > Signed-off-by: Stephane Eranian <eranian@google.com> > > --- > > arch/x86/events/Kconfig | 8 ++++++ > > arch/x86/events/amd/Makefile | 3 ++- > > arch/x86/events/perf_event.h | 49 ++++++++++++++++++++++++++++-------- > > 3 files changed, 49 insertions(+), 11 deletions(-) > > > > diff --git a/arch/x86/events/Kconfig b/arch/x86/events/Kconfig > > index d6cdfe631674..1dc002ef66da 100644 > > --- a/arch/x86/events/Kconfig > > +++ b/arch/x86/events/Kconfig > > @@ -44,4 +44,12 @@ config PERF_EVENTS_AMD_UNCORE > > > > To compile this driver as a module, choose M here: the > > module will be called 'amd-uncore'. > > + > > +config PERF_EVENTS_AMD_BRS > > + depends on PERF_EVENTS && CPU_SUP_AMD > > + tristate "AMD Zen3 Branch Sampling support" > > tristate ?!
Ok, I will fix that in V6. Thanks.
| |