From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, kim.phillips@amd.com,
acme@redhat.com, jolsa@redhat.com, songliubraving@fb.com
Subject: Re: [PATCH v5 07/13] perf/x86/amd: make Zen3 branch sampling opt-in
Date: Thu, 27 Jan 2022 13:51:45 +0100 [thread overview]
Message-ID: <YfKVYbYDYfIOq32I@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20220126233454.3362047-8-eranian@google.com>
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 ?!
next prev parent reply other threads:[~2022-01-27 12:52 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-26 23:34 [PATCH v5 00/14] perf/x86/amd: Add AMD Fam19h Branch Sampling support Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 01/13] perf/core: add perf_clear_branch_entry_bitfields() helper Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 02/13] x86/cpufeatures: add AMD Fam19h Branch Sampling feature Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 03/13] perf/x86/amd: add AMD Fam19h Branch Sampling support Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 04/13] perf/x86/amd: add branch-brs helper event for Fam19h BRS Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 05/13] perf/x86/amd: enable branch sampling priv level filtering Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 06/13] perf/x86/amd: add AMD branch sampling period adjustment Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 07/13] perf/x86/amd: make Zen3 branch sampling opt-in Stephane Eranian
2022-01-27 12:51 ` Peter Zijlstra [this message]
2022-02-01 7:28 ` Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 08/13] ACPI: add perf low power callback Stephane Eranian
2022-01-27 13:06 ` Peter Zijlstra
2022-02-01 7:33 ` Stephane Eranian
2022-02-01 10:20 ` Peter Zijlstra
2022-01-26 23:34 ` [PATCH v5 09/13] perf/x86/amd: add idle hooks for branch sampling Stephane Eranian
2022-01-27 13:07 ` Peter Zijlstra
2022-02-01 7:34 ` Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 10/13] perf evsel: Make evsel__env always return a valid env Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 11/13] perf tools: Improve IBS error handling Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 12/13] perf tools: Improve error handling of AMD Branch Sampling Stephane Eranian
2022-01-26 23:34 ` [PATCH v5 13/13] perf report: add addr_from/addr_to sort dimensions Stephane Eranian
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