From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0015.hostedemail.com [216.40.44.15]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9A3CC42048; Thu, 12 Jun 2025 14:16:18 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749737780; cv=none; b=Uj9v6AREAdWHLALE+ZgaWPdqn7PG8oDXk5IRlXsQf8H9thqns1MCQJe6Cxu2FUwoPypiHm+8WwRz55lujsS2qHlljw7wLaeBmxNECMpjcZgoC/64XtP5WStf0UGvK++Yqe+/jsU6zgbBzXerewsx6Aimb2u7cWGnbYY6Uju1no0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749737780; c=relaxed/simple; bh=qrWplOJ10X4pm1s0y3f27TzILjMBsOKq8Qs8gbRCNso=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type; b=oEfsNxt9MaE1G7TKAXkdkLbZENmyEzk1cKD6tvOfa4eqws/S2M0wR6CKu1V8hzbVmmBtlp683/EXLSTTLm5cdOCcHhVR49Ycx7o8gEPs1s27udUzlQo9hsx+3OFh7XloG3sdvm8h5kou05/bRLDtd8v6i3oWT2UVZCw73/sTCFU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay09.hostedemail.com (Postfix) with ESMTP id 523D181154; Thu, 12 Jun 2025 14:16:16 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf09.hostedemail.com (Postfix) with ESMTPA id 11D9520034; Thu, 12 Jun 2025 14:16:13 +0000 (UTC) Date: Thu, 12 Jun 2025 10:16:12 -0400 From: Steven Rostedt To: LKML , Linux trace kernel , bpf@vger.kernel.org Cc: Masami Hiramatsu , Mathieu Desnoyers , Alexei Starovoitov , Daniel Borkmann , "David S. Miller\" , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend Subject: [PATCH] xdp: tracing: Hide some xdp events under CONFIG_BPF_SYSCALL Message-ID: <20250612101612.3d4509cc@batman.local.home> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Rspamd-Queue-Id: 11D9520034 X-Rspamd-Server: rspamout08 X-Stat-Signature: 9hqsohk4k1swyaj4fneziy7xjpjeeea7 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX18PXqm3lbcNbcwLPE/xFkUYzq26klDeJnA= X-HE-Tag: 1749737773-116136 X-HE-Meta: U2FsdGVkX1/tmg2kusMKmWbH1yjUBWpNH4f4UUEmC1N4NlxI7UViqR/toP2SUNhWAharn5P649W28JDDyCeLq7qlCG7XlNQxYd/QGrH16eGCHUihy8alNT19WNh8+YFazlEQ80OnbeatjLvUplnZ/TF0WU95/zNrkftoizE5jU+/XY2k9uFVx7miw7uOdLtF68merSbsWeAbRnkYPrgOE4UQOgPQSbLJaNPjzGwYRvfbHwum6pD/b4Q5x8+GdQsE2jTZr4g2ym9m964e2mSizgO8E2WA+o36FjROQEIS9Phe9xAexS3VwoVleCCMLon7Eq5ReW06OsmxtiN6vGTSPoxy6JD+UvtoUcnFoOVv6LRDgKrJmWejjg8q56V65x4G From: Steven Rostedt The events xdp_cpumap_kthread, xdp_cpumap_enqueue and xdp_devmap_xmit are only called when CONFIG_BPF_SYSCALL is defined. As each event can take up to 5K regardless if they are used or not, it's best not to define them when they are not used. Add #ifdef around these events when they are not used. Signed-off-by: Steven Rostedt (Google) --- Note, I will be adding code soon that will make unused events cause a waring. include/trace/events/xdp.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/trace/events/xdp.h b/include/trace/events/xdp.h index 0fe0893c2567..18c0ac514fcb 100644 --- a/include/trace/events/xdp.h +++ b/include/trace/events/xdp.h @@ -168,6 +168,7 @@ DEFINE_EVENT(xdp_redirect_template, xdp_redirect_err, #define _trace_xdp_redirect_map_err(dev, xdp, to, map_type, map_id, index, err) \ trace_xdp_redirect_err(dev, xdp, to, err, map_type, map_id, index) +#ifdef CONFIG_BPF_SYSCALL TRACE_EVENT(xdp_cpumap_kthread, TP_PROTO(int map_id, unsigned int processed, unsigned int drops, @@ -281,6 +282,7 @@ TRACE_EVENT(xdp_devmap_xmit, __entry->sent, __entry->drops, __entry->err) ); +#endif /* CONFIG_BPF_SYSCALL */ /* Expect users already include , but not xdp_priv.h */ #include -- 2.47.2