From nobody Thu Apr 9 07:51:46 2026 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 CA8BEC433FE for ; Thu, 3 Nov 2022 04:55:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230498AbiKCEzl (ORCPT ); Thu, 3 Nov 2022 00:55:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39156 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230372AbiKCEza (ORCPT ); Thu, 3 Nov 2022 00:55:30 -0400 Received: from mail-yb1-xb4a.google.com (mail-yb1-xb4a.google.com [IPv6:2607:f8b0:4864:20::b4a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5C93417E1F for ; Wed, 2 Nov 2022 21:55:28 -0700 (PDT) Received: by mail-yb1-xb4a.google.com with SMTP id t6-20020a25b706000000b006b38040b6f7so1135511ybj.6 for ; Wed, 02 Nov 2022 21:55:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=aytaF9VJiZ59kp8/UqWu1XpON56xoCf/kQCMxXol+VU=; b=kEyteBHALJtRTPCwr3TZEqux/nFBzmqZ8z83EVjNVsVjV8geGkB546cSN8DcWAK3xx /8shHqXyw5Yq7GzzLxX7kaoQiW7lV6WRAAtknxyu4kv6jpU8KPoyUAZSRnCwp6xhn59U G/SKDZ32p4ES1uJKV6NbORrmpTcpfRSLhr/9IO3f8sXFgMAreer+RDjj+YoKp+KSh5CK YkNEXYD2qTEpKqpH/vhU0mvi7Fwl9qJnICFYdyyM8YslYE/Tag2jAJJVd0wDOocFLGQ9 xggyXpeHeV6ZBmx1CXgffPDeVODayjtgvfMrzUpT/6E+JoEWw1HtFv83jLOYakqalFif oJQg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=cc:to:from:subject:references:mime-version:message-id:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=aytaF9VJiZ59kp8/UqWu1XpON56xoCf/kQCMxXol+VU=; b=Ff90Sdfwx3Hzre0JdyPxATLOU0SyPNyR8eBydA47WQJ4Eovc3poe8FXFxIUGc1ypBR 3wQ6kHfS8HSlmhy5HHOmeo6JwRwolBOoUmbm/SbgJSSYd7pJhG7Wk9xwjq7XcECkAr7F 5SusXQx3YprsxPyZHlokj5aPEKTfxWX7pWA54VzrPaAW+iSHg1nRCrZHNxNTLD/KMby9 pGXDSNtip0wNF/p/Keb6pxqhkzq4PutNhxDmfRkdhSFrJ6w+a7yNI98NubSbeoei2dLx J9hUZwaX5Yuv5ybE2KenQOMqDDDx9y0BTpfpeSIW/mz2bm/zJ7zJ1TqgmfOpuMYXdu43 iNGQ== X-Gm-Message-State: ACrzQf3hZ0X/ZlV+XTjcQvH6vBwm1rjFAU36geL9fJiMHKUrKzgXBzPc L+sN9OUpHZRBHzYlWgBHwE4pg7gjgqne X-Google-Smtp-Source: AMsMyM7AUCs27q2zSxplxe1yi+Xzo6Vjq3rCThtq/3CxXMtYOH8jSxY5fbFRQ+Je3I9c8ngMwAGpB4AQA9oK X-Received: from irogers.svl.corp.google.com ([2620:15c:2d4:203:8a9d:7f38:6465:2d7b]) (user=irogers job=sendgmr) by 2002:a0d:ddd2:0:b0:367:27b6:db71 with SMTP id g201-20020a0dddd2000000b0036727b6db71mr185334ywe.432.1667451327234; Wed, 02 Nov 2022 21:55:27 -0700 (PDT) Date: Wed, 2 Nov 2022 21:54:35 -0700 In-Reply-To: <20221103045437.163510-1-irogers@google.com> Message-Id: <20221103045437.163510-6-irogers@google.com> Mime-Version: 1.0 References: <20221103045437.163510-1-irogers@google.com> X-Mailer: git-send-email 2.38.1.273.g43a17bfeac-goog Subject: [PATCH v1 5/7] perf trace: empty fix libbpf 1.0+ compatibility From: Ian Rogers To: Leo Yan , Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Mark Rutland , Alexander Shishkin , Jiri Olsa , Namhyung Kim , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Stephane Eranian , Ian Rogers Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Avoid use of tools/perf/include/bpf/bpf.h and use the more regular BPF headers. Add raw_syscalls:sys_enter to avoid the evlist being empty. Signed-off-by: Ian Rogers --- tools/perf/examples/bpf/empty.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/tools/perf/examples/bpf/empty.c b/tools/perf/examples/bpf/empt= y.c index 7d7fb0c9fe76..3e296c0c53d7 100644 --- a/tools/perf/examples/bpf/empty.c +++ b/tools/perf/examples/bpf/empty.c @@ -1,3 +1,12 @@ -#include +// SPDX-License-Identifier: GPL-2.0 +#include +#include =20 -license(GPL); +struct syscall_enter_args; + +SEC("raw_syscalls:sys_enter") +int sys_enter(struct syscall_enter_args *args) +{ + return 0; +} +char _license[] SEC("license") =3D "GPL"; --=20 2.38.1.273.g43a17bfeac-goog