From patchwork Sun Aug 18 12:50:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 13767415 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 E484529D0C; Sun, 18 Aug 2024 12:50:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723985434; cv=none; b=G5zEUpZQIkgf6M5IZnHCoPxyKMFVOeZ+6Dk6y9rlQzj5hvxOXSWYhXWw/mJpLZebeNRyZhMrg4KRymKILlFdFxReJqTIBRVvwN5wQG0j1531EZeK2w8EH1916MrN8a3DKKh8CCHR/NnOlfdVrRPicuYQ01SNTcQy29h7TSNohCI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723985434; c=relaxed/simple; bh=TU7U/7cI5u4iMQ6JCxAHG0ipOgBf+qmHbAaqBlHtV9M=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version:Content-Type; b=LA0x5O/EXJ6aq7zFQ/lNPWzs0D3UQ3yBr6YYldZpOCQ7UrTQIto9IGhjhffUSR87I2PEU7NE0Kn8V/Q73pLxvgtrO3qLsgj0lQMI/WKCLCjd133pYnuY/1z0DZxY8C3Sy/RrhrS3RaCxAZCJNjFW+3eQUlkb03z+K9WSO4dOgHc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=aIUz1yb4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="aIUz1yb4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 64A73C32786; Sun, 18 Aug 2024 12:50:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1723985433; bh=TU7U/7cI5u4iMQ6JCxAHG0ipOgBf+qmHbAaqBlHtV9M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=aIUz1yb4M7ayBUr2BbV2goGetNjwWmo7abR5PRZUdCuHIqvNXibtBSfEFgWQTtPrA sxFcZJ7x+nlv4t9ovsh6dwrfPP9+BN0d5dZtn79rClDzTATc+71xM7IejCWpcPP879 gOxyTD5EveZlcLY3Daf51pzJKMzExGA0nBsq5hqNlso6rwWYUo6ZSENovp7fnh3eDH 4aUyBi8VS8i1g6gPC/zxQsjUhIN3tAXEQQ4gmOMR4PxWiReduL/h5rct3PYUxwH0Sh f1JDY7udA1d7hYq8zYZ0JFjayXg0kE1kc8gLl7WgOYwIWfq47kQbxzP04dowveFE78 yQOIn64sdpEdQ== From: "Masami Hiramatsu (Google)" To: Alexei Starovoitov , Steven Rostedt , Florent Revest Cc: linux-trace-kernel@vger.kernel.org, LKML , Martin KaFai Lau , bpf , Sven Schnelle , Alexei Starovoitov , Jiri Olsa , Arnaldo Carvalho de Melo , Daniel Borkmann , Alan Maguire , Mark Rutland , Peter Zijlstra , Thomas Gleixner , Guo Ren Subject: [PATCH v13 15/20] tracing: Fix function timing profiler to initialize hashtable Date: Sun, 18 Aug 2024 21:50:28 +0900 Message-Id: <172398542854.293426.832756994547822125.stgit@devnote2> X-Mailer: git-send-email 2.34.1 In-Reply-To: <172398527264.293426.2050093948411376857.stgit@devnote2> References: <172398527264.293426.2050093948411376857.stgit@devnote2> User-Agent: StGit/0.19 Precedence: bulk X-Mailing-List: bpf@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Masami Hiramatsu (Google) Since the new fgraph requires to initialize fgraph_ops.ops.func_hash before calling register_ftrace_graph(), initialize it with default (tracing all functions) parameter. Signed-off-by: Masami Hiramatsu (Google) --- kernel/trace/ftrace.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index fd6c5a50c5e5..c55cf21fd53c 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -885,6 +885,10 @@ static void profile_graph_return(struct ftrace_graph_ret *trace, } static struct fgraph_ops fprofiler_ops = { + .ops = { + .flags = FTRACE_OPS_FL_INITIALIZED, + INIT_OPS_HASH(fprofiler_ops.ops) + }, .entryfunc = &profile_graph_entry, .retfunc = &profile_graph_return, };