From patchwork Fri Jun 7 14:35:08 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Leo Yan X-Patchwork-Id: 166148 Delivered-To: patch@linaro.org Received: by 2002:a92:9e1a:0:0:0:0:0 with SMTP id q26csp716669ili; Fri, 7 Jun 2019 07:36:21 -0700 (PDT) X-Google-Smtp-Source: APXvYqznIP7aSOCK9boKziEMy87FTsCZn0rJEvA7c+PfUlXove8q8mxNoCQDX+lfv6pRaDPUf7OI X-Received: by 2002:a17:90a:cb0e:: with SMTP id z14mr5522629pjt.99.1559918181839; Fri, 07 Jun 2019 07:36:21 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1559918181; cv=none; d=google.com; s=arc-20160816; b=WJNy2wE9GSAm9RH8x8v0KQJF1g47uZA3/grQ9JRwxA0d1b83DhZKzDRHz2unwwHWAC 725gph3MrPd4Gkq5jMwhbgcId64oWtrhkZoZzFbLlszPjwvqTKd15V/9hT7ypVKGDWgr jjrT8k3IRLgDdrCJvM/oK32PGy6We91wKQR/6SSw7i7SaIG11CWMl7uaAGO93nC9qRKJ /ah1hdo4rqfRwmzKy/VtBBxxrkqRqnUseeL1OpcsqiYoBR4uJKk/kOIfPTSLn7Egxkeq 1XF5fC8RUXdabkU1VeoocYLZk2Osl9lvtcFe5n1zd5DBDeUOJBzrtPIupIHe5Kr1aWAS 2GLg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :dkim-signature; bh=GbgsWWJsYfuFE0Ayk1WcQ4Df2lBstgQ/CvJS7+ETd2s=; b=WqZHkGZ+aG3rR5oZRA7gwJq4vuJnU1B+ba3qcvBzeM6xk1vN6LRL1Vkg2A3yA1hv4Z pXcGGTrg5/T2rRsCZ67iaF9jnSDVlTBX9Fx7UKwpLqUZ3QrnjRaLHJ4KvmgTltBkKDYx Prm4TMIc7z65ZF1bRJNQv8mK/bwl/rqms32JPEG+GBBiAuywl1bz6z6+v7EEz0tWB5EN ixOgeqCv7G/la01jGTtYhGdw634OCYQS0bzV9h3jlsKDfKbIHREEHfuNH3MTlozXeGFg ifLWfAfaHxEp0xqvQPkIBaKR456r1M720wvwzWuKs9Rf/KDZhHdczWu6GE7SFWbzV9Ng KFtg== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=QGUXZscH; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id n4si1830698pff.62.2019.06.07.07.36.21; Fri, 07 Jun 2019 07:36:21 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org header.s=google header.b=QGUXZscH; spf=pass (google.com: best guess record for domain of netdev-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=netdev-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729693AbfFGOgU (ORCPT + 9 others); Fri, 7 Jun 2019 10:36:20 -0400 Received: from mail-qt1-f194.google.com ([209.85.160.194]:38093 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729447AbfFGOfd (ORCPT ); Fri, 7 Jun 2019 10:35:33 -0400 Received: by mail-qt1-f194.google.com with SMTP id n11so379670qtl.5 for ; Fri, 07 Jun 2019 07:35:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id; bh=GbgsWWJsYfuFE0Ayk1WcQ4Df2lBstgQ/CvJS7+ETd2s=; b=QGUXZscHEoL0COiYgKJzGauvXiRnD/yzWrfJsYJcTclbPX9TCvCrdfjxhLSv6VqVOy Ds63L+KT50jtxVnmqpdXm+k0hnKJi5RXnLS0g7q5/aYYikllYLDJlOL5jJq9fIyS2KXT N4kSzGLH1BqH5+sIoQRhIEIplVz6xOOFXH3kUevzoxUvalU97d0JQV8t5yyidDelIDry k8NouTI/Vwk3wkIkBwrPlJNHi55Eas42L1+bSUxShFHT/PfTIYvWn+XASslmcOf+opCq Xe44NUEbE+9/+hU7i7HYNQl4s6GIv+QUbmYg2o2r2mDo0R1jnV48MtbC/0gPLmPAyG0T qL2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=GbgsWWJsYfuFE0Ayk1WcQ4Df2lBstgQ/CvJS7+ETd2s=; b=fHSobb+Tgkm0Yln5wYen9qHeWTK1HeufVuX7Q8hxIINrCZ+5aHX+dWSsZKX+jBzzo5 C+rpO7L6RtUd2nuSZcv0bXVXCyStoojZcCVm41YI4Ir3rsjIg6WhNDYp9o3pXG0gyOQE zD9gsCrmbItSNX4vI4lh9Q8V+2KYYe9YjHBIw3HqU/ioLn3D9doPNWF09DLKLgEtG2UC qfRK1aw0QWkcoQvFdDxXVYQxoAO7Km1/VYdNhzG3Op9H20RYnIuoNLUq76oqglK4lmWy LUAD85nhJe+qIj4wEjIN3DwFUZtG39x6JyCndB7j8rMyTqfjmbaRVtuLtfBYjYqs/YCm p/Uw== X-Gm-Message-State: APjAAAUQyIY9ZgG2PJE9RmJpTR/42okCU0ywTdfcaYSRVe0q0QZGQyfq yjTxbSjIGV9PIoZK5iK1wNfHcA== X-Received: by 2002:ac8:2ca5:: with SMTP id 34mr47371137qtw.246.1559918132104; Fri, 07 Jun 2019 07:35:32 -0700 (PDT) Received: from localhost.localdomain (li1322-146.members.linode.com. [45.79.223.146]) by smtp.gmail.com with ESMTPSA id c5sm1243963qkb.41.2019.06.07.07.35.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 07 Jun 2019 07:35:31 -0700 (PDT) From: Leo Yan To: Arnaldo Carvalho de Melo , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Song Liu , Yonghong Song , Andi Kleen , Mark Drayton , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org Cc: Leo Yan Subject: [PATCH] perf config: Update default value for llvm.clang-bpf-cmd-template Date: Fri, 7 Jun 2019 22:35:08 +0800 Message-Id: <20190607143508.18141-1-leo.yan@linaro.org> X-Mailer: git-send-email 2.17.1 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org The clang bpf cmdline template has defined default value in the file tools/perf/util/llvm-utils.c, which has been changed for several times. This patch updates the documentation to reflect the latest default value for the configuration llvm.clang-bpf-cmd-template. Fixes: d35b168c3dcd ("perf bpf: Give precedence to bpf header dir") Fixes: cb76371441d0 ("perf llvm: Allow passing options to llc in addition to clang") Fixes: 1b16fffa389d ("perf llvm-utils: Add bpf include path to clang command line") Signed-off-by: Leo Yan --- tools/perf/Documentation/perf-config.txt | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) -- 2.17.1 diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index 462b3cde0675..e4aa268d2e38 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -564,9 +564,12 @@ llvm.*:: llvm.clang-bpf-cmd-template:: Cmdline template. Below lines show its default value. Environment variable is used to pass options. - "$CLANG_EXEC -D__KERNEL__ $CLANG_OPTIONS $KERNEL_INC_OPTIONS \ - -Wno-unused-value -Wno-pointer-sign -working-directory \ - $WORKING_DIR -c $CLANG_SOURCE -target bpf -O2 -o -" + "$CLANG_EXEC -D__KERNEL__ -D__NR_CPUS__=$NR_CPUS "\ + "-DLINUX_VERSION_CODE=$LINUX_VERSION_CODE " \ + "$CLANG_OPTIONS $PERF_BPF_INC_OPTIONS $KERNEL_INC_OPTIONS " \ + "-Wno-unused-value -Wno-pointer-sign " \ + "-working-directory $WORKING_DIR " \ + "-c \"$CLANG_SOURCE\" -target bpf $CLANG_EMIT_LLVM -O2 -o - $LLVM_OPTIONS_PIPE" llvm.clang-opt:: Options passed to clang.