Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752868AbdLMMQP (ORCPT ); Wed, 13 Dec 2017 07:16:15 -0500 Received: from heliosphere.sirena.org.uk ([172.104.155.198]:60398 "EHLO heliosphere.sirena.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752509AbdLMMQM (ORCPT ); Wed, 13 Dec 2017 07:16:12 -0500 Date: Wed, 13 Dec 2017 12:16:03 +0000 From: Mark Brown To: Alexandre Belloni Cc: Arnd Bergmann , Baolin Wang , Alessandro Zummo , Steven Rostedt , Ingo Molnar , linux-rtc@vger.kernel.org, LKML Subject: Re: [PATCH v2] rtc: Add tracepoints for RTC system Message-ID: <20171213121603.GF6416@sirena.org.uk> References: <64a38f4a15a2f8dae4a9fd0a3fc2a312e86c733d.1510749847.git.baolin.wang@linaro.org> <20171212221643.GL8318@piout.net> <20171213110426.GQ8318@piout.net> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="JSkcQAAxhB1h8DcT" Content-Disposition: inline In-Reply-To: <20171213110426.GQ8318@piout.net> X-Cookie: Causes moderate eye irritation. User-Agent: Mutt/1.9.1 (2017-09-22) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1214 Lines: 32 --JSkcQAAxhB1h8DcT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Wed, Dec 13, 2017 at 12:04:26PM +0100, Alexandre Belloni wrote: > Also, I think we could try having only the time64_t in the ring buffer. > Maybe I'm wrong but I think tools reading that buffer can do the > conversion themselves. Maybe I don't understand correctly how > tracepoints work and this doesn't make sense, tell me. Tools reading the buffer can do the conversion themselves but it's also useful for users to just view the log directly via tracing/trace sometimes. OTOH the whole point is to be low overhead so... --JSkcQAAxhB1h8DcT Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEreZoqmdXGLWf4p/qJNaLcl1Uh9AFAloxGgIACgkQJNaLcl1U h9B17Qf/Y3Hhk7S3MvQugCMGEQCfP4171P6OxC1GEDNQKWvrfMvKJjPCQQr44eqC yWLIOVgMb5CrBLoIlcngGkhKV4oKAPWjljFogIIJQtL4AsHvD3IlKGzvmViHTA64 2UmFDyLh0yDgyHDibn6R53e9RuTcGDvA4W1cweqU3wfzm5rO8E1SgJrZwMHauUqf xf2IehGA2EOzKtaoq1goVuKqWPDR6S7hvcd9cVSuVl5yKlR4gzGFcx+2dUtT0u1l EfO4exsi2juEna8c/pAQ34XydtTdSJJfaspmGSEpfNXTnRrbe0zXUWQ4e/Xj9bm7 aC5sawvUVM2Kg4urwoVP6IrQ1OwaoQ== =Tvdy -----END PGP SIGNATURE----- --JSkcQAAxhB1h8DcT--