linux-kernel - Re: [patch 23/24] perfmon3: kernel documentation

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Message-ID: <20081019133749.GA1546@ucw.cz>
Date:	Sun, 19 Oct 2008 15:37:49 +0200
From:	Pavel Machek <pavel@...e.cz>
To:	eranian@...glemail.com
Cc:	linux-kernel@...r.kernel.org
Subject: Re: [patch 23/24] perfmon3:  kernel documentation

Hi!

> +   * int pfm_create(int flags, pfarg_sinfo_t *s);
> +
> +      This function creates a perfmon per-thread session.
> +      The flags parameter is currently unused and must be set to 0.
> +
> +      Upon return and if s is not NULL, the kernel return the list
> of available

returns?

> +      PMC and PMD registers. Tools should not assume, they have access to the
> +      entire PMU, it may be shared with other kernel subsystems, e.g., on X86
> +      the NMI watchdog timer.

How can kernel return anything?

									Pavel
-- 
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