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    SubjectRe: [ 54/68] tracing: change CPU ring buffer state from tracing_cpumask
    On Thu, Jul 12, 2012 at 04:02:28PM -0700, Greg Kroah-Hartman wrote:
    > From: Greg KH <gregkh@linuxfoundation.org>
    >
    > 3.0-stable review patch. If anyone has any objections, please let me know.
    >
    > ------------------
    >
    > From: Vaibhav Nagarnaik <vnagarnaik@google.com>
    >
    > commit 71babb2705e2203a64c27ede13ae3508a0d2c16c upstream.
    >
    > According to Documentation/trace/ftrace.txt:
    >
    > tracing_cpumask:
    >
    > This is a mask that lets the user only trace
    > on specified CPUS. The format is a hex string
    > representing the CPUS.
    >
    > The tracing_cpumask currently doesn't affect the tracing state of
    > per-CPU ring buffers.
    >
    > This patch enables/disables CPU recording as its corresponding bit in
    > tracing_cpumask is set/unset.
    >
    > Link: http://lkml.kernel.org/r/1336096792-25373-3-git-send-email-vnagarnaik@google.com

    Missing patch.

    >
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    --
    []'s
    Herton


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