From patchwork Mon Aug 26 03:17:24 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Masami Hiramatsu (Google)" X-Patchwork-Id: 11113895 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 706C91800 for ; Mon, 26 Aug 2019 03:17:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4DFBF21744 for ; Mon, 26 Aug 2019 03:17:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566789455; bh=FEs3TMM0ZYwBf3dusmpCVE/U5ogVTBo5jlcOMzlVOu4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uIuFM2NH8z5EhghChBzrmLMLhhsAQMVkCpEZbOEvNRB9sb0ne6VmwGfII7/0QjqT0 RBRtouwi4m+AH7LrI6yLLbhQYsux4qbtTO7sIdvcrUM7bSPb9NL5MBEj3es5inA2Lo GD54Dygex7P8ixXM/8kcuN1P3NnTqZNnecUEVomE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729543AbfHZDRc (ORCPT ); Sun, 25 Aug 2019 23:17:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:36446 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726434AbfHZDRb (ORCPT ); Sun, 25 Aug 2019 23:17:31 -0400 Received: from localhost.localdomain (NE2965lan1.rev.em-net.ne.jp [210.141.244.193]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id D77822070B; Mon, 26 Aug 2019 03:17:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1566789451; bh=FEs3TMM0ZYwBf3dusmpCVE/U5ogVTBo5jlcOMzlVOu4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P41uJw4iE7hZ+m44x3YjIMRFxcJ++9sqqHDpeKMVvJWSF9iiZmumFg6D183qYHE8Y 7Uu/k4e4N6U76zbJ0wzPx74ARm8hLSjGLsBGAq0DxzkLcFxHwb6bg+4w69oWLUCw5f 6eZTcvH6z9Zoxsr6lxc15DnXLOHpMrWGzWHLQhZE= From: Masami Hiramatsu To: Steven Rostedt , Frank Rowand Cc: Ingo Molnar , Namhyung Kim , Tim Bird , Jiri Olsa , Arnaldo Carvalho de Melo , Tom Zanussi , Rob Herring , Andrew Morton , Thomas Gleixner , Greg Kroah-Hartman , Alexey Dobriyan , Jonathan Corbet , Linus Torvalds , linux-doc@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 09/19] tracing: Accept different type for synthetic event fields Date: Mon, 26 Aug 2019 12:17:24 +0900 Message-Id: <156678944420.21459.11193086089601225256.stgit@devnote2> X-Mailer: git-send-email 2.20.1 In-Reply-To: <156678933823.21459.4100380582025186209.stgit@devnote2> References: <156678933823.21459.4100380582025186209.stgit@devnote2> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org Make the synthetic event accepts a different type field to record. However, the size and signed flag must be same. Signed-off-by: Masami Hiramatsu --- kernel/trace/trace_events_hist.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c index ca6b0dff60c5..a7f447195143 100644 --- a/kernel/trace/trace_events_hist.c +++ b/kernel/trace/trace_events_hist.c @@ -4063,8 +4063,11 @@ static int check_synth_field(struct synth_event *event, field = event->fields[field_pos]; - if (strcmp(field->type, hist_field->type) != 0) - return -EINVAL; + if (strcmp(field->type, hist_field->type) != 0) { + if (field->size != hist_field->size || + field->is_signed != hist_field->is_signed) + return -EINVAL; + } return 0; }