From mboxrd@z Thu Jan  1 00:00:00 1970
From: Thomas Monjalon <thomas.monjalon@6wind.com>
Subject: Re: [PATCH] doc: arm64: document DPDK application
	profiling methods
Date: Tue, 04 Oct 2016 14:40:47 +0200
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References: <1475577630-14318-1-git-send-email-jerin.jacob@caviumnetworks.com>
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Cc: dev@dpdk.org, jianbo.liu@linaro.org, viktorin@rehivetech.com
To: Jerin Jacob <jerin.jacob@caviumnetworks.com>
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Thanks for providing a patch so quickly :)

2016-10-04 16:10, Jerin Jacob:
> +The PMU based scheme useful for high accuracy performance profiling.

A verb is missing.

> +Find below the example steps to configure the PMU based cycle counter on an
> +armv8 machine.
> +
> +.. code-block:: console
> +
> +    git clone https://github.com/jerinjacobk/armv8_pmu_cycle_counter_el0
> +    cd armv8_pmu_cycle_counter_el0
> +    make
> +    sudo insmod pmu_el0_cycle_counter.ko
> +    cd $DPDK_DIR
> +    make config T=arm64-armv8a-linuxapp-gcc
> +    echo "CONFIG_RTE_ARM_EAL_RDTSC_USE_PMU=y" >> build/.config
> +    make

What about the ARM 32 code that Jan is using?

> +.. warning::
> +
> +    This method can not be used in production systems as this may alter PMU
> +    state used by standard Linux user space tool like perf.

More details please?