linux-kernel - Re: [PATCH v6 3/4] perf utils: Add helper function is_pmu

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Message-ID: <20171011121700.GB11106@arm.com>
Date:   Wed, 11 Oct 2017 13:17:01 +0100
From:   Will Deacon <will.deacon@....com>
To:     Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        catalin.marinas@....com, mark.rutland@....com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, peterz@...radead.org,
        mingo@...hat.com, jnair@...iumnetworks.com,
        zhangshaokun@...ilicon.com, Jonathan.Cameron@...wei.com,
        Robert.Richter@...ium.com, gklkml16@...il.com
Subject: Re: [PATCH v6 3/4] perf utils: Add helper function is_pmu_core to
 detect PMU CORE devices

On Thu, Aug 24, 2017 at 05:33:48PM +0530, Ganapatrao Kulkarni wrote:
> On some platforms, PMU core devices sysfs name is not cpu.
> Adding function is_pmu_core to detect PMU core devices using
> core device specific hints in sysfs.
> 
> For arm64 platforms, all core devices have file "cpus" in sysfs.
> 
> Tested-by: Shaokun Zhang <zhangshaokun@...ilicon.com>
> Signed-off-by: Ganapatrao Kulkarni <ganapatrao.kulkarni@...ium.com>
> ---
>  tools/perf/util/pmu.c | 39 +++++++++++++++++++++++++++++++++++----
>  1 file changed, 35 insertions(+), 4 deletions(-)

Acked-by: Will Deacon <will.deacon@....com>

Will