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 5A8BDC76195 for ; Tue, 28 Mar 2023 00:53:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229762AbjC1AxR (ORCPT ); Mon, 27 Mar 2023 20:53:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44940 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229493AbjC1AxQ (ORCPT ); Mon, 27 Mar 2023 20:53:16 -0400 Received: from mail-pl1-x62f.google.com (mail-pl1-x62f.google.com [IPv6:2607:f8b0:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2DE411A5; Mon, 27 Mar 2023 17:53:16 -0700 (PDT) Received: by mail-pl1-x62f.google.com with SMTP id ja10so10128256plb.5; Mon, 27 Mar 2023 17:53:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679964795; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=8sV7N8LUyHkNioiD8M1h9rvVPbKL2byNtWw5W5Xmfpk=; b=jV6hxQM96H8vWkkWVymtC8KSBBy09/mGteJIBvrTBHLyNct6Pqy/84aEqfEF9csOP9 fdCis1snMKiq1DbgEPWe1UqqW9O8WscgVJ4W+g7rzDm/GuGxigR8uaBP12mniaM8fz+a TugBcB0qwGPJHjc9EmCdSx+dBft3Jc0V3H5JiPRRDJg7NKRAWea3dxjUmo3i11Dgk4uB fAY8wq7C1hDU29dgquOzL5DJA96PC5W0qrWukEsM2Gr62ayfLPLtd63Arw7VDpNS1OpI EL6fypWFJScOl+rEPMDLxI6BHhRuogGgYq15pJ5X9n6F+rnjbJ+521AoC+oMGg94WonL 96xw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679964795; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=8sV7N8LUyHkNioiD8M1h9rvVPbKL2byNtWw5W5Xmfpk=; b=BIXlJSZK3VCzqnLkbSnlcA3wONZ4vQTWtpQz0VVNVQvn8OEDSVpmm9JM2AMjdi2AMT bmCxy0JjXHspUKWMlf5NC5V36r2ugkI2GSzYGMLzX4ddXQEpOBddgd8LL7r9XpTgvXad Tn5/3abxxfeEL9asUP+2K3L7pgsWY13+QyTLc8XJ5EJddufoU/WzRkbOsGJJjlOxySfI Kbt5G7JoZ1XeFrhDvQ5xfwSbvbKXly26fv+mAosMORAPTp0spRVM1o8iI1gWrptgNlyr rhwY8JQXWahK6gOXMG0rK+T0BJ6BvpOO0j0QSZRZwe/B8ojo5gx8P0xTCxvqvyOzG8Gv pcOw== X-Gm-Message-State: AAQBX9cIQhk3vDvSSF6Ej/ZNj7wwlG/DihR/ngP8Rgw7IwdC5nJXXI/S XZZPyHUAmTME3poBM39t7GuhoF9j3z+FUvhjLwQ= X-Google-Smtp-Source: AKy350ZJVxAp3LNlRvxe5HntaBey69rZkupnsKcLPKAHqIzvAZ+BHMKHluvzaT3MoyNkj3xjRgMjIg5sjkLTPY1YRvg= X-Received: by 2002:a17:90a:5141:b0:23d:50d0:4ba4 with SMTP id k1-20020a17090a514100b0023d50d04ba4mr4175358pjm.3.1679964795626; Mon, 27 Mar 2023 17:53:15 -0700 (PDT) MIME-Version: 1.0 References: <8ca2b07e-674e-afb6-ff12-87504f51f252@arm.com> <20230309113851.GF19253@leoy-yangtze.lan> <20230313121420.GB2426758@leoy-yangtze.lan> <20230314003610.GD2426758@leoy-yangtze.lan> In-Reply-To: <20230314003610.GD2426758@leoy-yangtze.lan> From: Yang Shi Date: Mon, 27 Mar 2023 17:53:04 -0700 Message-ID: Subject: Re: [BUG] perf: No samples found when using kcore + coresight To: Leo Yan Cc: James Clark , linux-perf-users@vger.kernel.org, LAK , coresight@lists.linaro.org, Linux Kernel Mailing List , mathieu.poirier@linaro.org, adrian.hunter@intel.com, Jiri Olsa , acme@redhat.com, mike.leach@linaro.org, Will Deacon , suzuki.poulose@arm.com, yang@os.amperecomputing.com Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org Hi Leo, Just follow up on this one. Any update? Thanks, Yang On Mon, Mar 13, 2023 at 5:36=E2=80=AFPM Leo Yan wrote: > > On Mon, Mar 13, 2023 at 11:15:44AM -0700, Yang Shi wrote: > > [...] > > > > Just a quick summary, here we have two issues: > > > > > > - With command: > > > perf record -e cs_etm/@tmc_etf63/k --kcore --per-thread \ > > > -- taskset --cpu-list 1 uname", > > > > > > perf doesn't enable "text poke" attribution. > > > > No, it enables "text poke" and perf fails to decode coresight trace > > data too. It doesn't matter whether "--kcore" is after or before "-e > > cs/etm/@tmc_etf63/k". > > Understand now. Thanks for correction, if so we can ignore this one. > > Leo