From: Anshuman Khandual <anshuman.khandual@arm.com>
To: Will Deacon <will@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, catalin.marinas@arm.com,
mark.rutland@arm.com, Mark Brown <broonie@kernel.org>,
James Clark <james.clark@arm.com>, Rob Herring <robh@kernel.org>,
Marc Zyngier <maz@kernel.org>,
Suzuki Poulose <suzuki.poulose@arm.com>,
Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
linux-perf-users@vger.kernel.org
Subject: Re: [PATCH V9 00/10] arm64/perf: Enable branch stack sampling
Date: Mon, 15 May 2023 11:54:07 +0530 [thread overview]
Message-ID: <2dafd371-173e-1592-23d2-939b8a81dcbe@arm.com> (raw)
In-Reply-To: <20230411130326.GA22736@willie-the-truck>
On 4/11/23 18:33, Will Deacon wrote:
> Hi Anshuman
>
> On Wed, Mar 15, 2023 at 10:44:34AM +0530, Anshuman Khandual wrote:
>> This series enables perf branch stack sampling support on arm64 platform
>> via a new arch feature called Branch Record Buffer Extension (BRBE). All
>> relevant register definitions could be accessed here.
>>
>> https://developer.arm.com/documentation/ddi0601/2021-12/AArch64-Registers
>>
>> This series applies on 6.3-rc1 after applying the following patch from Mark
>> which allows enums in SysregFields blocks in sysreg tools.
>>
>> https://lore.kernel.org/all/20230306114836.2575432-1-mark.rutland@arm.com/
>
> As mentioned by Mark at:
>
> https://lore.kernel.org/r/ZB2sGrsbr58ttoWI@FVFF77S0Q05N
>
> this conflicts with supporting PMUv3 on AArch32. Please can you rebase onto
> for-next/perf, which will mean moving this driver back into drivers/perf/
> now?
Hi Will,
I am back from a long vacation, will go through the earlier discussions
on this and rework the series as required.
- Anshuman
prev parent reply other threads:[~2023-05-15 6:24 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 5:14 Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 01/10] drivers: perf: arm_pmu: Add new sched_task() callback Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 02/10] arm64/perf: Add BRBE registers and fields Anshuman Khandual
2023-04-12 8:32 ` Yang Shen
2023-05-15 6:22 ` Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 03/10] arm64/perf: Add branch stack support in struct arm_pmu Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 04/10] arm64/perf: Add branch stack support in struct pmu_hw_events Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 05/10] arm64/perf: Add branch stack support in ARMV8 PMU Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 06/10] arm64/perf: Enable branch stack events via FEAT_BRBE Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 07/10] arm64/perf: Add PERF_ATTACH_TASK_DATA to events with has_branch_stack() Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 08/10] arm64/perf: Add struct brbe_regset helper functions Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 09/10] arm64/perf: Implement branch records save on task sched out Anshuman Khandual
2023-03-15 5:14 ` [PATCH V9 10/10] arm64/perf: Implement branch records save on PMU IRQ Anshuman Khandual
2023-05-23 14:39 ` James Clark
2023-05-23 14:51 ` James Clark
2023-05-24 3:10 ` Anshuman Khandual
2023-03-21 19:02 ` [PATCH V9 00/10] arm64/perf: Enable branch stack sampling Mark Brown
2023-03-23 4:25 ` Anshuman Khandual
2023-03-23 12:54 ` Mark Brown
2023-03-24 3:20 ` Anshuman Khandual
2023-03-24 11:40 ` Mark Brown
2023-04-11 13:03 ` Will Deacon
2023-05-15 6:24 ` Anshuman Khandual [this message]
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