From: Vasant Hegde <vasant.hegde@amd.com>
To: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
namhyung@kernel.org, mark.rutland@arm.com,
alexander.shishkin@linux.intel.com, jolsa@kernel.org,
irogers@google.com, adrian.hunter@intel.com,
james.clark@linaro.org
Cc: x86@kernel.org, dave.hansen@linux.intel.com, tglx@kernel.org,
bp@alien8.de, hpa@zytor.com, iommu@lists.linux.dev,
joro@8bytes.org, suravee.suthikulpanit@amd.com,
sandipan.das@amd.com
Subject: Re: [PATCH] x86/events/amd/iommu: Fix cpumask of IOMMU events
Date: Mon, 27 Jul 2026 16:08:24 +0530 [thread overview]
Message-ID: <7e10f25d-dd4f-4df1-9d40-c9d890641ca4@amd.com> (raw)
In-Reply-To: <20260517114026.6817-1-vasant.hegde@amd.com>
Hi,
On 5/17/2026 5:10 PM, Vasant Hegde wrote:
> IOMMU performance counters are accessed via MMIO space. Currently IOMMU
> PMUs uses a single global cpumask (iommu_cpumask) shared across all AMD
> IOMMU PMU instances. This prevents collecting per-socket numbers
> (ex: perf stat --per-socket).
>
> Fix this by adjusting cpumask based on IOMMUs NUMA node.
Can you please review/pick this patch?
-Vasant
next prev parent reply other threads:[~2026-07-27 10:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-17 11:40 [PATCH] x86/events/amd/iommu: Fix cpumask of IOMMU events Vasant Hegde
2026-05-17 12:12 ` sashiko-bot
2026-05-18 17:58 ` Chun-Tse Shao
2026-05-19 8:00 ` Vasant Hegde
2026-05-28 7:28 ` Jörg Rödel
2026-05-29 6:58 ` Sandipan Das
2026-07-27 10:38 ` Vasant Hegde [this message]
2026-07-27 11:19 ` Jörg Rödel
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