From: Will Deacon <will.deacon@arm.com>
To: Jeremy Linton <jeremy.linton@arm.com>
Cc: linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org,
mark.rutland@arm.com, lorenzo.pieralisi@arm.com,
catalin.marinas@arm.com, peterz@infradead.org, mingo@redhat.com,
acme@kernel.org, alexander.shishkin@linux.intel.com,
mlangsdorf@redhat.com
Subject: Re: [PATCH 2/8] arm64: pmu: Probe default hw/cache counters
Date: Wed, 15 Jun 2016 12:14:49 +0100 [thread overview]
Message-ID: <20160615111449.GH24029@arm.com> (raw)
In-Reply-To: <1465511013-10742-3-git-send-email-jeremy.linton@arm.com>
On Thu, Jun 09, 2016 at 05:23:27PM -0500, Jeremy Linton wrote:
> ARMv8 machines can identify the micro/arch defined counters
> that are available on a machine. Add all these counters to the
> default armv8 perf map. At run-time disable the counters which
> are not available on the given PMU.
>
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
> arch/arm64/kernel/perf_event.c | 45 ++++++++++++++++++++++++++++++++++++++----
> 1 file changed, 41 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 917c3e2..e1a3bce 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -190,13 +190,23 @@
> #define ARMV8_THUNDER_PERFCTR_L1I_CACHE_PREF_MISS 0xED
Minus the last hunk (which I mentioned in the previous patch):
Acked-by: Will Deacon <will.deacon@arm.com>
Will
WARNING: multiple messages have this Message-ID (diff)
From: will.deacon@arm.com (Will Deacon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/8] arm64: pmu: Probe default hw/cache counters
Date: Wed, 15 Jun 2016 12:14:49 +0100 [thread overview]
Message-ID: <20160615111449.GH24029@arm.com> (raw)
In-Reply-To: <1465511013-10742-3-git-send-email-jeremy.linton@arm.com>
On Thu, Jun 09, 2016 at 05:23:27PM -0500, Jeremy Linton wrote:
> ARMv8 machines can identify the micro/arch defined counters
> that are available on a machine. Add all these counters to the
> default armv8 perf map. At run-time disable the counters which
> are not available on the given PMU.
>
> Signed-off-by: Jeremy Linton <jeremy.linton@arm.com>
> ---
> arch/arm64/kernel/perf_event.c | 45 ++++++++++++++++++++++++++++++++++++++----
> 1 file changed, 41 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c
> index 917c3e2..e1a3bce 100644
> --- a/arch/arm64/kernel/perf_event.c
> +++ b/arch/arm64/kernel/perf_event.c
> @@ -190,13 +190,23 @@
> #define ARMV8_THUNDER_PERFCTR_L1I_CACHE_PREF_MISS 0xED
Minus the last hunk (which I mentioned in the previous patch):
Acked-by: Will Deacon <will.deacon@arm.com>
Will
next prev parent reply other threads:[~2016-06-15 11:14 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-09 22:23 [PATCH 0/8] arm64: pmu: Detect multiple PMU types in an ACPI system Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-09 22:23 ` [PATCH 1/8] arm64: pmu: add fallback probe table Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-15 10:59 ` Will Deacon
2016-06-15 10:59 ` Will Deacon
2016-06-09 22:23 ` [PATCH 2/8] arm64: pmu: Probe default hw/cache counters Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-15 11:14 ` Will Deacon [this message]
2016-06-15 11:14 ` Will Deacon
2016-06-09 22:23 ` [PATCH 3/8] arm64: pmu: Add support for probing with ACPI Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-15 11:33 ` Will Deacon
2016-06-15 11:33 ` Will Deacon
2016-06-15 15:07 ` Jeremy Linton
2016-06-15 15:07 ` Jeremy Linton
2016-06-09 22:23 ` [PATCH 4/8] arm: arm64: Add routine to determine cpuid of other cpus Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-20 16:49 ` Punit Agrawal
2016-06-20 16:49 ` Punit Agrawal
2016-06-09 22:23 ` [PATCH 5/8] arm: arm64: pmu: Assign platform PMU CPU affinity Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-15 13:09 ` Will Deacon
2016-06-15 13:09 ` Will Deacon
2016-06-20 16:40 ` Punit Agrawal
2016-06-20 16:40 ` Punit Agrawal
2016-06-20 16:49 ` Jeremy Linton
2016-06-20 16:49 ` Jeremy Linton
2016-06-20 17:01 ` Punit Agrawal
2016-06-20 17:01 ` Punit Agrawal
2016-06-09 22:23 ` [PATCH 6/8] arm64: pmu: Add routines for detecting differing PMU types in the system Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-09 22:23 ` [PATCH 7/8] arm64: pmu: Enable multiple PMUs in an ACPI system Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-15 13:22 ` Will Deacon
2016-06-15 13:22 ` Will Deacon
2016-06-15 15:21 ` Jeremy Linton
2016-06-15 15:21 ` Jeremy Linton
2016-06-15 15:30 ` Will Deacon
2016-06-15 15:30 ` Will Deacon
2016-06-20 16:37 ` Punit Agrawal
2016-06-20 16:37 ` Punit Agrawal
2016-06-20 21:44 ` Jeremy Linton
2016-06-20 21:44 ` Jeremy Linton
2016-06-21 8:34 ` Punit Agrawal
2016-06-21 8:34 ` Punit Agrawal
2016-06-09 22:23 ` [PATCH 8/8] MAINTAINERS: Tweak ARM PMU maintainers Jeremy Linton
2016-06-09 22:23 ` Jeremy Linton
2016-06-20 16:47 ` [PATCH 0/8] arm64: pmu: Detect multiple PMU types in an ACPI system Punit Agrawal
2016-06-20 16:47 ` Punit Agrawal
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