From patchwork Wed Apr 29 23:14:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ian Rogers X-Patchwork-Id: 1279778 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@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=netdev-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=Un4WQVe5; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49CDr23Sw8z9sSk for ; Thu, 30 Apr 2020 09:14:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727933AbgD2XO4 (ORCPT ); Wed, 29 Apr 2020 19:14:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59322 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727879AbgD2XOw (ORCPT ); Wed, 29 Apr 2020 19:14:52 -0400 Received: from mail-qv1-xf4a.google.com (mail-qv1-xf4a.google.com [IPv6:2607:f8b0:4864:20::f4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 01DBBC03C1AE for ; Wed, 29 Apr 2020 16:14:52 -0700 (PDT) Received: by mail-qv1-xf4a.google.com with SMTP id z14so4379934qvv.6 for ; Wed, 29 Apr 2020 16:14:51 -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=eiWqfc49ogrYbZ/4/xuGkLOd4BeleFiuwlczI7sArlo=; b=Un4WQVe5D1bdYyPUVc6UQDO3j0T9MYR3rGyZ2ceOJtfX6QNrYpRMgVjMcxYeEps1k6 ZMWjpH0eDukhgY7ojYA6f3eFq0CHjY/IOyeDzaHrv4Y/2YLXEoxQ/KPcJsmECkud8/+P sl/yU64IiBRk1Bit02eWZd5mGAH+MEiCK7tWX1R7HsMsPRDFljOz2Ux3BjDce695yBMJ 69WpStLxpilYpM4uLeKxhJtqUzMymXy4kH77soTQRCaKfLFbhrNBqPZhhhydncySyGAp CpkuWlKPgRwgj5H0TesyuQwJ10CCQeidlGmYMcetG0KWehLkbleIzKKzxac82MvYBRlq 2ijA== 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=eiWqfc49ogrYbZ/4/xuGkLOd4BeleFiuwlczI7sArlo=; b=FdQmsNeLTNlPTEwDthcNHlEQ1L4nng0IVbCTEYgCat8Q78L/dpS91rxmGXhZyhZDAR G0YxVHyShMaR2K2qB/xFMo4pQyAECX4Z9Xelwcb7BM24GauUPpePJcnmmxKRZJJGYV4m RwcwKxxKEnB/vgUc8loDQNRae/U2IW77qvLQfPJ6IoNNZmRMf36ofsk1eCK+u3ZQImLA Ka7b+PUgKPGhZiP9/bmuwlJIIrqJU+W+4o2HzT4EzjDna5HWMOUgB1gDylDRpQEe995G sncHmha3FUCNTiNSaFUy5mMpW63QeHehBZFHovBncoJLj0lykOCKJevo3GiKKs49iGX3 6aNg== X-Gm-Message-State: AGi0PuYC8hMZnV8b3oW0o4AbbaB+lz8RWsd4lvCMfgsOdbKiAliWp19O GSrnAFEL7MXfYXEJny1Y3NZuMvagYjEZ X-Google-Smtp-Source: APiQypJF+pNX0f25uRs8CxEj2RzxyRoLpHIC31I9C2TGE4E2d47A5QkzmO9GJcdYTfo+svN1asUse81hbhTv X-Received: by 2002:a0c:d652:: with SMTP id e18mr292809qvj.58.1588202091087; Wed, 29 Apr 2020 16:14:51 -0700 (PDT) Date: Wed, 29 Apr 2020 16:14:41 -0700 In-Reply-To: <20200429231443.207201-1-irogers@google.com> Message-Id: <20200429231443.207201-3-irogers@google.com> Mime-Version: 1.0 References: <20200429231443.207201-1-irogers@google.com> X-Mailer: git-send-email 2.26.2.303.gf8c07b1a785-goog Subject: [PATCH v12 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: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@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 92012381393a..84f845b9627d 100644 --- a/tools/build/feature/Makefile +++ b/tools/build/feature/Makefile @@ -69,7 +69,8 @@ FILES= \ test-libaio.bin \ test-libzstd.bin \ test-clang-bpf-global-var.bin \ - test-file-handle.bin + test-file-handle.bin \ + test-libpfm4.bin FILES := $(addprefix $(OUTPUT),$(FILES)) @@ -331,6 +332,9 @@ $(OUTPUT)test-clang-bpf-global-var.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; +}