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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 66174C677F1 for ; Tue, 14 Feb 2023 11:22:48 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pRtNr-0007BA-Px; Tue, 14 Feb 2023 06:22:03 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pRtNq-0007AV-4h for qemu-devel@nongnu.org; Tue, 14 Feb 2023 06:22:02 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pRtNo-0002IA-C5 for qemu-devel@nongnu.org; Tue, 14 Feb 2023 06:22:01 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1676373719; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gXC9nOhmw431muOUO3PKW2gGl+LHnqMb3NoVo1sovCg=; b=BfVFj1fz4X2HqPuCUGa9iHBqibXw//Duxup1+vywh6Py9Dq/0J+J0yI9aYoNH5HF19NWWD s2ZwJjT5EJdkX846s4MPv0XVSR6mLXU4C1cY9qPLMxGVaLtu5ADPqhGF54+bgIJSjCiZri T7jI+PILQtgcXDzMRxzdYsYecmlpVLA= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-195-H0325RPvOC2bdVZpOUgTFA-1; Tue, 14 Feb 2023 06:21:56 -0500 X-MC-Unique: H0325RPvOC2bdVZpOUgTFA-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id F25463C0F191; Tue, 14 Feb 2023 11:21:55 +0000 (UTC) Received: from thuth.com (unknown [10.39.192.14]) by smtp.corp.redhat.com (Postfix) with ESMTP id 12E994010E85; Tue, 14 Feb 2023 11:21:54 +0000 (UTC) From: Thomas Huth To: Peter Maydell , qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL 04/22] build: deprecate --enable-gprof builds and remove from CI Date: Tue, 14 Feb 2023 12:21:30 +0100 Message-Id: <20230214112148.646077-5-thuth@redhat.com> In-Reply-To: <20230214112148.646077-1-thuth@redhat.com> References: <20230214112148.646077-1-thuth@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Alex Bennée As gprof relies on instrumentation you rarely get useful data compared to a real optimised build. Lets deprecate the build option and simplify the CI configuration as a result. Buglink: https://gitlab.com/qemu-project/qemu/-/issues/1338 Signed-off-by: Alex Bennée Message-Id: <20230131094224.861621-1-alex.bennee@linaro.org> Reviewed-by: Thomas Huth Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Thomas Huth --- docs/about/deprecated.rst | 14 ++++++++++++++ meson.build | 7 ++++++- .gitlab-ci.d/buildtest.yml | 19 ++++--------------- meson_options.txt | 3 ++- 4 files changed, 26 insertions(+), 17 deletions(-) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index da2e6fe63d..9317046177 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -20,6 +20,20 @@ they were first deprecated in the 2.10.0 release. What follows is a list of all features currently marked as deprecated. +Build options +------------- + +``gprof`` builds (since 8.0) +'''''''''''''''''''''''''''' + +The ``--enable-gprof`` configure setting relies on compiler +instrumentation to gather its data which can distort the generated +profile. As other non-instrumenting tools are available that give a +more holistic view of the system with non-instrumented binaries we are +deprecating the build option and no longer defend it in CI. The +``--enable-gcov`` build option remains for analysis test case +coverage. + System emulator command line arguments -------------------------------------- diff --git a/meson.build b/meson.build index 0026bba0ce..a76c855312 100644 --- a/meson.build +++ b/meson.build @@ -3805,7 +3805,12 @@ summary_info += {'memory allocator': get_option('malloc')} summary_info += {'avx2 optimization': config_host_data.get('CONFIG_AVX2_OPT')} summary_info += {'avx512bw optimization': config_host_data.get('CONFIG_AVX512BW_OPT')} summary_info += {'avx512f optimization': config_host_data.get('CONFIG_AVX512F_OPT')} -summary_info += {'gprof enabled': get_option('gprof')} +if get_option('gprof') + gprof_info = 'YES (deprecated)' +else + gprof_info = get_option('gprof') +endif +summary_info += {'gprof': gprof_info} summary_info += {'gcov': get_option('b_coverage')} summary_info += {'thread sanitizer': config_host.has_key('CONFIG_TSAN')} summary_info += {'CFI support': get_option('cfi')} diff --git a/.gitlab-ci.d/buildtest.yml b/.gitlab-ci.d/buildtest.yml index 0aa149a352..8f332fc36f 100644 --- a/.gitlab-ci.d/buildtest.yml +++ b/.gitlab-ci.d/buildtest.yml @@ -467,27 +467,16 @@ tsan-build: TARGETS: x86_64-softmmu ppc64-softmmu riscv64-softmmu x86_64-linux-user MAKE_CHECK_ARGS: bench V=1 -# gprof/gcov are GCC features -build-gprof-gcov: +# gcov is a GCC features +gcov: extends: .native_build_job_template needs: job: amd64-ubuntu2004-container + timeout: 80m variables: IMAGE: ubuntu2004 - CONFIGURE_ARGS: --enable-gprof --enable-gcov + CONFIGURE_ARGS: --enable-gcov TARGETS: aarch64-softmmu ppc64-softmmu s390x-softmmu x86_64-softmmu - artifacts: - expire_in: 1 days - paths: - - build - -check-gprof-gcov: - extends: .native_test_job_template - needs: - - job: build-gprof-gcov - artifacts: true - variables: - IMAGE: ubuntu2004 MAKE_CHECK_ARGS: check after_script: - cd build diff --git a/meson_options.txt b/meson_options.txt index 56415c5c23..7e5801db90 100644 --- a/meson_options.txt +++ b/meson_options.txt @@ -320,7 +320,8 @@ option('debug_stack_usage', type: 'boolean', value: false, option('qom_cast_debug', type: 'boolean', value: false, description: 'cast debugging support') option('gprof', type: 'boolean', value: false, - description: 'QEMU profiling with gprof') + description: 'QEMU profiling with gprof', + deprecated: true) option('profiler', type: 'boolean', value: false, description: 'profiler support') option('slirp_smbd', type : 'feature', value : 'auto', -- 2.31.1