linux-kernel - Re: [PATCH 3/4] perf tools: add core support for sampling intr machine state regs

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Date:	Fri, 11 Jul 2014 10:20:39 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Stephane Eranian <eranian@...gle.com>
Cc:	linux-kernel@...r.kernel.org, peterz@...radead.org, mingo@...e.hu,
	ak@...ux.intel.com, acme@...hat.com, namhyung@...nel.org
Subject: Re: [PATCH 3/4] perf tools: add core support for sampling intr
 machine state regs

On Wed, Jul 09, 2014 at 12:15:58AM +0200, Stephane Eranian wrote:
> Add the infrastructure to setup, collect and report the interrupt
> machine state regs which can be captured by the kernel.
> 
> Signed-off-by: Stephane Eranian <eranian@...gle.com>
> ---

SNIP

> +static const char *regs_abi[]= {
> + [PERF_SAMPLE_REGS_ABI_NONE] = "none",
> + [PERF_SAMPLE_REGS_ABI_32] = "32-bit",
> + [PERF_SAMPLE_REGS_ABI_64] = "64-bit",
> +};
> +
> +static inline const char *regs_dump_abi(struct regs_dump *d)
> +{
> +	if (d->abi > PERF_SAMPLE_REGS_ABI_64)
> +		return "???";
> +	return regs_abi[d->abi];
> +}
> +
> +static void regs_intr__printf(struct perf_sample *sample, u64 mask)
> +{
> +	struct regs_dump *intr_regs = &sample->intr_regs;
> +
> +	if (intr_regs->regs) {
> +		printf("... intr regs: mask 0x%" PRIx64 " ABI: %s\n", mask, regs_dump_abi(intr_regs));
> +		regs_dump__printf(mask, intr_regs->regs);
> +	}
> +}

could you please unify/share this with regs_user__printf,
so we could get same output for registers dump

jirka
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