From: Christoph Hellwig <hch@infradead.org>
To: "Frank Ch. Eigler" <fche@redhat.com>
Cc: eranian@hpl.hp.com, Christoph Hellwig <hch@infradead.org>,
linux-kernel@vger.kernel.org, systemtap@sources.redhat.com,
wcohen@redhat.com, perfmon@napali.hpl.hp.com
Subject: Re: [PATCH 9/16] 2.6.17-rc6 perfmon2 patch for review: kernel-level API support (kapi)
Date: Fri, 16 Jun 2006 16:45:19 +0100 [thread overview]
Message-ID: <20060616154519.GA28931@infradead.org> (raw)
In-Reply-To: <y0mhd2lumz7.fsf@ton.toronto.redhat.com>
On Fri, Jun 16, 2006 at 11:41:32AM -0400, Frank Ch. Eigler wrote:
> Whether one uses systemtap, raw kprobes, or some specialized
> tracing/stats-collecting patch surely forthcoming, kernel-level APIs
> would be needed to perform fine-grained kernel-scope measurements
> using these counters.
No, there's not need to add kernel bloat for performance monitoring.
This kind of stuff shoul dabsolutely be done from userspace.
next prev parent reply other threads:[~2006-06-16 15:45 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-06-15 9:07 Stephane Eranian
2006-06-16 13:50 ` Christoph Hellwig
2006-06-16 14:02 ` Stephane Eranian
2006-06-16 14:56 ` Christoph Hellwig
2006-06-17 0:15 ` Alan Cox
2006-06-16 15:41 ` Frank Ch. Eigler
2006-06-16 15:45 ` Christoph Hellwig [this message]
2006-06-16 16:18 ` Frank Ch. Eigler
2006-06-22 12:12 ` [perfmon] " Stephane Eranian
2006-06-22 17:00 ` William Cohen
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