From: Peter Zijlstra <peterz@infradead.org>
To: Anshuman Khandual <anshuman.khandual@arm.com>
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
James Clark <james.clark@arm.com>, Rob Herring <robh@kernel.org>,
Marc Zyngier <maz@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-perf-users@vger.kernel.org
Subject: Re: [RFC V2 1/8] perf: Consolidate branch sample filter helpers
Date: Fri, 15 Apr 2022 10:19:41 +0200 [thread overview]
Message-ID: <YlkqnfRm0E0XHTd3@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20220412115455.293119-2-anshuman.khandual@arm.com>
On Tue, Apr 12, 2022 at 05:24:48PM +0530, Anshuman Khandual wrote:
> Besides the branch type filtering requests, 'event.attr.branch_sample_type'
> also contains various flags indicating which additional information should
> be captured, along with the base branch record. These flags help configure
> the underlying hardware, and capture the branch records appropriately when
> required e.g after PMU interrupt. But first, this moves an existing helper
> perf_sample_save_hw_index() into the header before adding some more helpers
> for other branch sample filter flags.
>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
> Cc: linux-perf-users@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
next prev parent reply other threads:[~2022-04-15 8:19 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-12 11:54 [RFC V2 0/8] arm64/perf: Enable branch stack sampling Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 1/8] perf: Consolidate branch sample filter helpers Anshuman Khandual
2022-04-15 8:19 ` Peter Zijlstra [this message]
2022-04-12 11:54 ` [RFC V2 2/8] arm64/perf: Add register definitions for BRBE Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 3/8] arm64/perf: Update struct arm_pmu " Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 4/8] arm64/perf: Update struct pmu_hw_events " Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 5/8] driver/perf/arm_pmu_platform: Add support for BRBE attributes detection Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 6/8] arm64/perf: Drive BRBE from perf event states Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 7/8] arm64/perf: Add BRBE driver Anshuman Khandual
2022-04-12 11:54 ` [RFC V2 8/8] arm64/perf: Enable branch stack sampling Anshuman Khandual
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