From patchwork Thu Apr 16 06:35:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1271527 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: incoming-bpf@patchwork.ozlabs.org Delivered-To: patchwork-incoming-bpf@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=bpf-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=google.com header.i=@google.com header.a=rsa-sha256 header.s=20161025 header.b=Tbcz/5GT; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 492qJs3SgRz9sSc for ; Thu, 16 Apr 2020 16:37:17 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408093AbgDPGhN (ORCPT ); Thu, 16 Apr 2020 02:37:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47710 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S2408188AbgDPGgK (ORCPT ); Thu, 16 Apr 2020 02:36:10 -0400 Received: from mail-pj1-x104a.google.com (mail-pj1-x104a.google.com [IPv6:2607:f8b0:4864:20::104a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 20AB3C061BD3 for ; Wed, 15 Apr 2020 23:36:05 -0700 (PDT) Received: by mail-pj1-x104a.google.com with SMTP id d11so1995940pjh.4 for ; Wed, 15 Apr 2020 23:36:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=date:in-reply-to:message-id:mime-version:references:subject:from:to :cc; bh=R8mSLoA4yKGeDKyGJ46zmAHwFa4kk4RkB3OQPR7SZNk=; b=Tbcz/5GTD0MhxbjxSz+zG5pSqKSdU1P5q8lEgAqpLkInNCr+YPX4aXcxjGsL7ummmO GN7GSZENxaeD3xf0Riocr4k4gZ92w9bkvgR2vMDepAHqQNLxebRMg5OjkWYX+OHSvm0L JzKcLJUCrjZEjlY5TM+NFLZH+aeLkHyQCEX/7B11Tik2AKdhaa6WKxGvgB7Al0Okd37f va1Cjb5bb8YzRxO9nZuEVcplEyMa2dl1tza1E6ca39I65H1XEkMVcvZ7pBjynJZi6ukn z1mER9KgwI0SG416uK2KmQOjz5yU/6LuyyRGly37Q1QVogfTwcRWqYE8KNiIX2bgkJLS itMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=R8mSLoA4yKGeDKyGJ46zmAHwFa4kk4RkB3OQPR7SZNk=; b=BhxSaOFEWgPX9Zd9HuWI7h0n1m5+HpV1I//vHmuUc3SwNp1P98ZXaSOyagpbMCebxF t03HVCdN0EZzwFcW38mgDRH9zq7NwfuhZbnT1dWIFFXEUrE5GGXVgmLLGwSgSWjvmjkt t7k5rxUc2Uv+S+eAHDZoIWS4tRYw8Re2uoToB4GHIzFwRNfVxt2+gK1ZniVnwxmu7jbr jXEmDUIc7w2WotOVmqZLC27+dPi1Cp2CBAlsRYWeUtdWxr5d9p0voCKC1LiZJavapydS jY7sQeIBXKU+1AiaO9J4+KtRvT2luwamL6c1f+/qrLDVp0Cb8lwCMKpc1SvpLatrNH81 RudA== X-Gm-Message-State: AGi0PuYjPeHhQVAQqdPdFCE7ARrXX9OvKhfQnf3BEOAgZL7do4akl98w BTEAXpfv8oTYzz1h6K9RpQp0ExIi6deG X-Google-Smtp-Source: APiQypK1f9V/XZSrdHGZIgfiemU4JkGrTWcw2vE8IRzSHkL3Sf6dG/w5H9cV54KYVepXp9T1LXUN49c7hTuD X-Received: by 2002:a17:90a:2149:: with SMTP id a67mr3299588pje.43.1587018964507; Wed, 15 Apr 2020 23:36:04 -0700 (PDT) Date: Wed, 15 Apr 2020 23:35:49 -0700 In-Reply-To: <20200416063551.47637-1-irogers@google.com> Message-Id: <20200416063551.47637-3-irogers@google.com> Mime-Version: 1.0 References: <20200416063551.47637-1-irogers@google.com> X-Mailer: git-send-email 2.26.0.110.g2183baf09c-goog Subject: [PATCH v9 2/4] tools feature: add support for detecting libpfm4 From: Ian Rogers To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , Alexei Starovoitov , Daniel Borkmann , Martin KaFai Lau , Yonghong Song , Andrii Nakryiko , Greg Kroah-Hartman , Thomas Gleixner , Igor Lubashev , Alexey Budankov , Florian Fainelli , Adrian Hunter , Andi Kleen , Jiwei Sun , yuzhoujian , Kan Liang , Jin Yao , Leo Yan , John Garry , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, linux-perf-users@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org From: Stephane Eranian libpfm4 provides an alternate command line encoding of perf events. Signed-off-by: Stephane Eranian Reviewed-by: Ian Rogers --- tools/build/Makefile.feature | 3 ++- tools/build/feature/Makefile | 6 +++++- tools/build/feature/test-libpfm4.c | 9 +++++++++ 3 files changed, 16 insertions(+), 2 deletions(-) create mode 100644 tools/build/feature/test-libpfm4.c diff --git a/tools/build/Makefile.feature b/tools/build/Makefile.feature index 3e0c019ef297..3abd4316cd4f 100644 --- a/tools/build/Makefile.feature +++ b/tools/build/Makefile.feature @@ -98,7 +98,8 @@ FEATURE_TESTS_EXTRA := \ llvm \ llvm-version \ clang \ - libbpf + libbpf \ + libpfm4 FEATURE_TESTS ?= $(FEATURE_TESTS_BASIC) diff --git a/tools/build/feature/Makefile b/tools/build/feature/Makefile index 621f528f7822..a6eded94a36b 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -68,7 +68,8 @@ FILES= \ test-llvm-version.bin \ test-libaio.bin \ test-libzstd.bin \ - test-file-handle.bin + test-file-handle.bin \ + test-libpfm4.bin FILES := $(addprefix $(OUTPUT),$(FILES)) @@ -325,6 +326,9 @@ $(OUTPUT)test-libzstd.bin: $(OUTPUT)test-file-handle.bin: $(BUILD) +$(OUTPUT)test-libpfm4.bin: + $(BUILD) -lpfm + ############################### clean: diff --git a/tools/build/feature/test-libpfm4.c b/tools/build/feature/test-libpfm4.c new file mode 100644 index 000000000000..af49b259459e --- /dev/null +++ b/tools/build/feature/test-libpfm4.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 +#include +#include + +int main(void) +{ + pfm_initialize(); + return 0; +}