From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753564AbbAWWi1 (ORCPT ); Fri, 23 Jan 2015 17:38:27 -0500 Received: from arroyo.ext.ti.com ([192.94.94.40]:40971 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751617AbbAWWiY (ORCPT ); Fri, 23 Jan 2015 17:38:24 -0500 Date: Fri, 23 Jan 2015 16:37:45 -0600 From: Felipe Balbi To: Arnaldo Carvalho de Melo CC: Felipe Balbi , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Tony Lindgren , Linux Kernel Mailing List , Linux ARM Kernel Mailing List , Linux OMAP Mailing List Subject: Re: perf not capturing stack traces Message-ID: <20150123223745.GJ26557@saruman.tx.rr.com> Reply-To: References: <20150123195128.GE26557@saruman.tx.rr.com> <20150123205959.GD3073@kernel.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tAmVnWIZ6lqEAvSf" Content-Disposition: inline In-Reply-To: <20150123205959.GD3073@kernel.org> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --tAmVnWIZ6lqEAvSf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 23, 2015 at 05:59:59PM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Jan 23, 2015 at 01:51:28PM -0600, Felipe Balbi escreveu: > > I'm using v3.19-rc5 on an ARM Cortex A9 board. Unfortunately, perf is > > not able to capture any stack traces even though I CONFIG_STACKTRACE, > > CONFIG_FRAME_POINTER and CONFIG_ARM_UNWIND all enabled. > >=20 > > I wonder if anybody else is facing similar issues. >=20 > Did it work with a previous kernel? haven't checked with this board. First time I tried to use perf for anything. --=20 balbi --tAmVnWIZ6lqEAvSf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUws05AAoJEIaOsuA1yqRE8tsP/1RWi5wlQCGuuuGV/pYWw9va iQUmX3q7q5vB00pPEEwmlNr85/NdA1xLZ00W7jEzhOGe/ysbu7dNQVtfJG0Evg0x hQQG+mV/3ylkSd4BjzEs8Ar8f73zo9SxXLvhgzS4q1Gakz78C4577wklUuOO/Yj5 Afc9yZPmhoh9+7pTyKMfxpJmaFiv7WkO1xL4oKBhIALLafIddEXBItcK+uD9Qa+C vgJaSHW13+PKd0SP9erMrIqmUWwgtUucU60BZtRZPJgVmbxtUYuAQ9EfZeXRNfDc C2LmMZrgiPRW/w3SeiaxkqInb5nRIfpX6T/3Ozb74hy21dCZiUegCjjOafRUXiqV 61Cjc2e3psCTqDh2FXV2IN0quucY8kfRPsi8fgjq2N/HPkjTYb/meYe8aVZjpJpL SQZEptkrbRNUiC9ATiurKG2ae6pTe9cpCB2nSUFgohCYpFKLSKoikj67Oz/ZuiRG Lv24kx4S0gDrbV4MMiCavH7xYqGGhas//0v8mko5Mv3aLPKeF3Tfp+NQoKJrvYkC zn3I/Rq7JRGKkvkPUISecwcEcEKa/jOd1CMt9S6qjvJkzGh/zfYTayxpndaD6GGF pBdg8PxTioriHsBPbTKzpTgyv+NXxF3P9avx7W0svMUwsRndaHh8FShlxYH5Szx9 6/wqVAUfQFPv2fo7NsGH =ZdoC -----END PGP SIGNATURE----- --tAmVnWIZ6lqEAvSf-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felipe Balbi Subject: Re: perf not capturing stack traces Date: Fri, 23 Jan 2015 16:37:45 -0600 Message-ID: <20150123223745.GJ26557@saruman.tx.rr.com> References: <20150123195128.GE26557@saruman.tx.rr.com> <20150123205959.GD3073@kernel.org> Reply-To: Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="tAmVnWIZ6lqEAvSf" Return-path: Content-Disposition: inline In-Reply-To: <20150123205959.GD3073@kernel.org> Sender: linux-kernel-owner@vger.kernel.org To: Arnaldo Carvalho de Melo Cc: Felipe Balbi , Peter Zijlstra , Paul Mackerras , Ingo Molnar , Tony Lindgren , Linux Kernel Mailing List , Linux ARM Kernel Mailing List , Linux OMAP Mailing List List-Id: linux-omap@vger.kernel.org --tAmVnWIZ6lqEAvSf Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Jan 23, 2015 at 05:59:59PM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Jan 23, 2015 at 01:51:28PM -0600, Felipe Balbi escreveu: > > I'm using v3.19-rc5 on an ARM Cortex A9 board. Unfortunately, perf is > > not able to capture any stack traces even though I CONFIG_STACKTRACE, > > CONFIG_FRAME_POINTER and CONFIG_ARM_UNWIND all enabled. > >=20 > > I wonder if anybody else is facing similar issues. >=20 > Did it work with a previous kernel? haven't checked with this board. First time I tried to use perf for anything. --=20 balbi --tAmVnWIZ6lqEAvSf Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJUws05AAoJEIaOsuA1yqRE8tsP/1RWi5wlQCGuuuGV/pYWw9va iQUmX3q7q5vB00pPEEwmlNr85/NdA1xLZ00W7jEzhOGe/ysbu7dNQVtfJG0Evg0x hQQG+mV/3ylkSd4BjzEs8Ar8f73zo9SxXLvhgzS4q1Gakz78C4577wklUuOO/Yj5 Afc9yZPmhoh9+7pTyKMfxpJmaFiv7WkO1xL4oKBhIALLafIddEXBItcK+uD9Qa+C vgJaSHW13+PKd0SP9erMrIqmUWwgtUucU60BZtRZPJgVmbxtUYuAQ9EfZeXRNfDc C2LmMZrgiPRW/w3SeiaxkqInb5nRIfpX6T/3Ozb74hy21dCZiUegCjjOafRUXiqV 61Cjc2e3psCTqDh2FXV2IN0quucY8kfRPsi8fgjq2N/HPkjTYb/meYe8aVZjpJpL SQZEptkrbRNUiC9ATiurKG2ae6pTe9cpCB2nSUFgohCYpFKLSKoikj67Oz/ZuiRG Lv24kx4S0gDrbV4MMiCavH7xYqGGhas//0v8mko5Mv3aLPKeF3Tfp+NQoKJrvYkC zn3I/Rq7JRGKkvkPUISecwcEcEKa/jOd1CMt9S6qjvJkzGh/zfYTayxpndaD6GGF pBdg8PxTioriHsBPbTKzpTgyv+NXxF3P9avx7W0svMUwsRndaHh8FShlxYH5Szx9 6/wqVAUfQFPv2fo7NsGH =ZdoC -----END PGP SIGNATURE----- --tAmVnWIZ6lqEAvSf-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Fri, 23 Jan 2015 16:37:45 -0600 Subject: perf not capturing stack traces In-Reply-To: <20150123205959.GD3073@kernel.org> References: <20150123195128.GE26557@saruman.tx.rr.com> <20150123205959.GD3073@kernel.org> Message-ID: <20150123223745.GJ26557@saruman.tx.rr.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Jan 23, 2015 at 05:59:59PM -0300, Arnaldo Carvalho de Melo wrote: > Em Fri, Jan 23, 2015 at 01:51:28PM -0600, Felipe Balbi escreveu: > > I'm using v3.19-rc5 on an ARM Cortex A9 board. Unfortunately, perf is > > not able to capture any stack traces even though I CONFIG_STACKTRACE, > > CONFIG_FRAME_POINTER and CONFIG_ARM_UNWIND all enabled. > > > > I wonder if anybody else is facing similar issues. > > Did it work with a previous kernel? haven't checked with this board. First time I tried to use perf for anything. -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: