From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E23CC433F5 for ; Sat, 19 Mar 2022 23:15:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244351AbiCSXRL (ORCPT ); Sat, 19 Mar 2022 19:17:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35612 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234512AbiCSXRL (ORCPT ); Sat, 19 Mar 2022 19:17:11 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E7793A198; Sat, 19 Mar 2022 16:15:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 3E8C9B80A3B; Sat, 19 Mar 2022 23:15:46 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B130AC340EC; Sat, 19 Mar 2022 23:15:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1647731744; bh=IFxZCDwY1ZlKVK/McsyTTEC3rqryBIPTRJjCWhFXaUE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=oGyunC/tRxa5oQRmeS+erQC1B6Fbtc+FkKLeBCQlFTEnDIlvkg7k5DU85CG37JXv/ KE5upr4vWIRXJYglJs7MlvsRsn1TMB5Ekwf/Dn1hq70DtwfGOp7uH82wGAt0xTjN7U UVCBDUYfS2qMWowIaBpkag8fFO6yB3UsotvDOKEJ8dnYOoKV0gxXH/+nV8yUepVL5d aFKYB6vx3xomIw1F4DQWzEIo2S9FI7VxMvdQ0IML874O2S9aFfqfiIWhT3+k4m7Xjo Ah7UBfrGi2dXv3y0Wg70wk3PStuj53MKvzaTin7LO1LPP1CZ5zPTrNbsvewq4tvYrf LvOALW5H0yMgw== Date: Sun, 20 Mar 2022 00:15:34 +0100 From: Wolfram Sang To: Jae Hyun Yoo Cc: Steven Rostedt , Ingo Molnar , Jamie Iles , Graeme Gregory , linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org Subject: Re: [PATCH v3] i2c: add tracepoints for I2C slave events Message-ID: Mail-Followup-To: Wolfram Sang , Jae Hyun Yoo , Steven Rostedt , Ingo Molnar , Jamie Iles , Graeme Gregory , linux-kernel@vger.kernel.org, linux-i2c@vger.kernel.org References: <20220318204133.657568-1-quic_jaehyoo@quicinc.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="eETdPFtlrvLqgiBG" Content-Disposition: inline In-Reply-To: <20220318204133.657568-1-quic_jaehyoo@quicinc.com> Precedence: bulk List-ID: X-Mailing-List: linux-i2c@vger.kernel.org --eETdPFtlrvLqgiBG Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Mar 18, 2022 at 01:41:33PM -0700, Jae Hyun Yoo wrote: > I2C slave events tracepoints can be enabled by: >=20 > echo 1 > /sys/kernel/tracing/events/i2c_slave/enable >=20 > and logs in /sys/kernel/tracing/trace will look like: >=20 > ... i2c_slave: i2c-0 a=3D010 ret=3D0 WR_REQ [] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 WR_RCV [02] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 WR_RCV [0c] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 STOP [] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 RD_REQ [04] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 RD_PRO [b4] > ... i2c_slave: i2c-0 a=3D010 ret=3D0 STOP [] >=20 > formatted as: >=20 > i2c- > a=3D > ret=3D <- callback return value > > [] >=20 > trace printings can be selected by adding a filter like: >=20 > echo adapter_nr=3D=3D1 >/sys/kernel/tracing/events/i2c_slave/filter >=20 > Signed-off-by: Jae Hyun Yoo Applied to for-next, thanks! --eETdPFtlrvLqgiBG Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmI2ZBIACgkQFA3kzBSg KbbZeRAAmR6eAVN3lFkHcekhn1380YxReKaRNd7uBP3TPyQ1SLRQ5S42zraw43XE e/JA5FIl56UX75Wi7AalXD8i6ZTgRmbfmyrlr1IcwE0syHdKxbJTW/Brhex87MJl bpOAlfQx3NjtUZQAwFXlj2CxMWqUvAFPXvDgcr9s7iDk1r/kgwbreSYIveicuF7C /eg8aIAJ3hG/LcqyqzM9GAQfYOp6yp8aNAhAF0AEQMlHwNQRhmWMCq+M+mCHHFq4 TV48FQBMWPtNKGdkyN+XaHiNm20Up5RlAzixJ30/pW7Hrzu5Vo+EWkXTTbIv5GrS qqnZNg8vF73vco0wo0Kx+TSD7HXF1lKvZi4lfPCWzmJ13NMrjfv6hXuhAvI50U2+ kd/PP9CcNayLIeADyl+h/KesEoAUAZfO67wlLkaLTRnoCUrqIeqCClDws4NsPHtD 22Vt4l+o4wYMp+2P5G/wi/a8EutivZIUQuZlFbQqzl/4F+KdXrkWgovrzS0yplFt CWtTJXB9gmdv+PT4tLRDr3cQjyiKdMTDuRRsrAffYDBL2A0ZLYN6SHH9+h01dKw3 p4yLNrKbARoqd8XMWO3DRlfJwqKpEelUEy8+Ti1q7YKu8BqXJIIAu9FE80QVR0nM sEO8ozlyfZV8vJtwAaxFkWCWI1daY7xOAHL66cO/gcUENYoYagE= =oaPP -----END PGP SIGNATURE----- --eETdPFtlrvLqgiBG--