linux-kernel - Re: [PATCH v2] genirq: Machine-parsable version of /proc/interrupts

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Message-ID: <09def1ca-a6bd-3286-7817-a607a23c5643@infradead.org>
Date:   Thu, 8 Sep 2016 10:57:21 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Craig Gallek <kraigatgoog@...il.com>,
        Thomas Gleixner <tglx@...utronix.de>
Cc:     David Decotigny <decot@...gle.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] genirq: Machine-parsable version of /proc/interrupts

On 09/08/16 10:34, Craig Gallek wrote:
> From: Craig Gallek <kraig@...gle.com>
> 
> Add struct kobject to struct irq_desc to allow for easy export
> to sysfs.  This allows for much simpler userspace-parsing of
> the information contained in struct irq_desc.

Please give example(s) of the sysfs (output) format.

Also add the interface info to Documentation/ABI/.

> +static void irq_sysfs_add(int irq, struct irq_desc *desc)
> +{
> +	if (irq_kobj_base) {
> +		if (kobject_add(&desc->kobj, irq_kobj_base, "%d", irq))
> +			pr_warn("Fail to add kobject for irq %d\n", irq);

			         Failed

> +	}
> +}

Thanks.
-- 
~Randy