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From: "Luck, Tony" <tony.luck@intel.com>
To: Steven Rostedt <rostedt@goodmis.org>
CC: Anton Vorontsov <anton.vorontsov@linaro.org>,
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Subject: RE: [PATCH 3/6] pstore: Add persistent function tracing
Thread-Topic: [PATCH 3/6] pstore: Add persistent function tracing
Thread-Index: AQHNSxnUyTWscCuSSEGw988jRX6OJpb758LAgAB6cQD//4uj0A==
Date: Fri, 15 Jun 2012 22:00:57 +0000
Message-ID: <3908561D78D1C84285E8C5FCA982C28F1931FC85@ORSMSX104.amr.corp.intel.com>
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> With function tracing the impact to performance is tremendous. Just
> recording two long words is a 130% hit to performance. Now multiply that
> to recording strings.

If pstore is writing to a flash based backend - then there will be many
milli-seconds of delay. I think the time taken to convert from binary to
ascii would be insignificant.

-Tony
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