From: Steven Rostedt <rostedt@goodmis.org>
To: Slava Pestov <slavapestov@google.com>
Cc: linux-kernel@vger.kernel.org, mrubin@google.com, dhsharp@google.com
Subject: Re: [PATCH] ftrace: add 'version' special file for ring buffer format
Date: Mon, 14 Mar 2011 22:31:08 -0400 [thread overview]
Message-ID: <1300156268.9910.242.camel@gandalf.stny.rr.com> (raw)
In-Reply-To: <1300142528-4918-1-git-send-email-slavapestov@google.com>
On Mon, 2011-03-14 at 15:42 -0700, Slava Pestov wrote:
> The intention here is that if the ftrace ring buffer format changes
> in the future like it did in the past with ktrace, we can increment
> the version number and update clients appropriately.
I purposely avoided "versions", and instead use the
tracing/events/header_page and .../header_event to describe how the ring
buffer format is laid out. If the format changes, then so should those
files.
-- Steve
>
> Tested: Verified that special file contains correct content
>
> This patch is against 2.6.38-rc8 but should apply to any version
> from at least 2.6.34 onwards.
>
> Signed-Off-By: Slava Pestov <slavapestov@google.com>
next prev parent reply other threads:[~2011-03-15 2:31 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-14 22:42 Slava Pestov
2011-03-15 2:31 ` Steven Rostedt [this message]
2011-03-16 0:33 ` David Sharp
2011-03-16 0:56 ` Steven Rostedt
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