From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@amd64.org>, Jonathan Corbet <corbet@lwn.net>,
Ingo Molnar <mingo@kernel.org>,
Frederic Weisbecker <fweisbec@gmail.com>,
LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH -v2 0/4] Persistent events
Date: Fri, 17 Aug 2012 19:06:05 +0200 [thread overview]
Message-ID: <1345223165.29668.64.camel@twins> (raw)
In-Reply-To: <1345216829.3708.33.camel@gandalf.local.home>
On Fri, 2012-08-17 at 11:20 -0400, Steven Rostedt wrote:
> If it wasn't for sparc, we could have done this with the ftrace buffers,
> but sparc has some crazy requirement that physical pages can only be
> mapped at certain locations, and you can't just take a bunch of random
> pages and map them at the same location.
same problem for perf.. I've meant to make it either mmap or splice but
not both, but I've never gotten around to actually implement any of
that.
next prev parent reply other threads:[~2012-08-17 17:06 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-16 17:45 [RFC PATCH -v2 0/4] Persistent events Borislav Petkov
2012-08-16 17:45 ` [RFC PATCH -v2 1/4] trace events: Interface to add files to debugfs Borislav Petkov
2012-08-16 22:06 ` Steven Rostedt
2012-08-17 7:26 ` Borislav Petkov
2012-08-16 17:45 ` [RFC PATCH -v2 2/4] perf: Add persistent events Borislav Petkov
2012-08-16 17:45 ` [RFC PATCH -v2 3/4] perf: Add persistent event facilities Borislav Petkov
2012-08-16 22:12 ` Steven Rostedt
2012-08-17 7:27 ` Borislav Petkov
2012-12-09 12:06 ` Borislav Petkov
2012-08-21 10:08 ` Peter Zijlstra
2012-08-21 10:21 ` Peter Zijlstra
2012-08-16 17:45 ` [RFC PATCH -v2 4/4] persistent test Borislav Petkov
2012-08-16 20:12 ` [RFC PATCH -v2 0/4] Persistent events Jonathan Corbet
2012-08-16 20:55 ` Borislav Petkov
2012-08-16 21:13 ` Steven Rostedt
2012-08-16 21:41 ` Borislav Petkov
2012-08-16 22:00 ` Steven Rostedt
2012-08-17 7:38 ` Borislav Petkov
2012-08-17 15:20 ` Steven Rostedt
2012-08-17 17:06 ` Peter Zijlstra [this message]
2012-08-21 10:30 ` Peter Zijlstra
2012-08-21 13:11 ` Borislav Petkov
2012-08-21 13:41 ` Steven Rostedt
2012-08-21 13:50 ` Borislav Petkov
2012-08-21 14:03 ` Steven Rostedt
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