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From: Al Viro <viro@ZenIV.linux.org.uk>
To: robert.foss@collabora.com
Cc: rostedt@goodmis.org, mingo@redhat.com, scott@ubuntu.com,
	linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [PACTH v1] trace: Add trace events for open(), exec() and uselib()
Date: Mon, 1 Aug 2016 19:10:14 +0100	[thread overview]
Message-ID: <20160801181014.GB2356@ZenIV.linux.org.uk> (raw)
In-Reply-To: <1470072340-17748-1-git-send-email-robert.foss@collabora.com>

On Mon, Aug 01, 2016 at 01:25:40PM -0400, robert.foss@collabora.com wrote:
> From: Scott James Remnant <scott@ubuntu.com>
> 
> This patch uses TRACE_EVENT to add tracepoints for the open(),
> exec() and uselib() syscalls so that ureadahead can cheaply trace
> the boot sequence to determine what to read to speed up the next.

NAK.  No Tracepoints In VFS.  Not going to happen - any tracepoint can all too
easily become a cast-in-stone userland ABI.

  parent reply	other threads:[~2016-08-02  0:08 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-01 17:25 [PACTH v1] trace: Add trace events for open(), exec() and uselib() robert.foss
2016-08-01 17:44 ` Steven Rostedt
2016-08-01 18:13   ` Al Viro
2016-08-01 18:10 ` Al Viro [this message]
2016-08-01 19:51   ` Robert Foss
2016-08-01 20:31     ` Steven Rostedt
2016-08-02  8:11   ` Ingo Molnar

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