From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E98F0C433FE for ; Sun, 10 Oct 2021 21:46:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C92A460F38 for ; Sun, 10 Oct 2021 21:46:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232590AbhJJVr7 (ORCPT ); Sun, 10 Oct 2021 17:47:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:34530 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231343AbhJJVr4 (ORCPT ); Sun, 10 Oct 2021 17:47:56 -0400 Received: from rorschach.local.home (cpe-66-24-58-225.stny.res.rr.com [66.24.58.225]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 2B8A860EB4; Sun, 10 Oct 2021 21:45:57 +0000 (UTC) Date: Sun, 10 Oct 2021 17:45:55 -0400 From: Steven Rostedt To: Gang Li Cc: mingo@redhat.com, akpm@linux-foundation.org, vbabka@suse.cz, axelrasmussen@google.com, linux-kernel@vger.kernel.org, linux-mm@kvack.org Subject: Re: [PATCH v2 1/2] mm: mmap_lock: remove redundant "\n" in TP_printk Message-ID: <20211010174555.6a623b29@rorschach.local.home> In-Reply-To: <20211009071105.69544-1-ligang.bdlg@bytedance.com> References: <20211009071105.69544-1-ligang.bdlg@bytedance.com> X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 9 Oct 2021 15:11:05 +0800 Gang Li wrote: > Ftrace core will add "\n" automatically on print. "\n" in TP_printk > will create blank line, so remove it. > Yes, thank you! Reviewed-by: Steven Rostedt (VMware) -- Steve > Signed-off-by: Gang Li > --- > include/trace/events/mmap_lock.h | 6 +++--- > 1 file changed, 3 insertions(+), 3 deletions(-) > > diff --git a/include/trace/events/mmap_lock.h b/include/trace/events/mmap_lock.h > index 0abff67b96f0..5f980c92e3e9 100644 > --- a/include/trace/events/mmap_lock.h > +++ b/include/trace/events/mmap_lock.h > @@ -32,7 +32,7 @@ TRACE_EVENT_FN(mmap_lock_start_locking, > ), > > TP_printk( > - "mm=%p memcg_path=%s write=%s\n", > + "mm=%p memcg_path=%s write=%s", > __entry->mm, > __get_str(memcg_path), > __entry->write ? "true" : "false" > @@ -63,7 +63,7 @@ TRACE_EVENT_FN(mmap_lock_acquire_returned, > ), > > TP_printk( > - "mm=%p memcg_path=%s write=%s success=%s\n", > + "mm=%p memcg_path=%s write=%s success=%s", > __entry->mm, > __get_str(memcg_path), > __entry->write ? "true" : "false", > @@ -92,7 +92,7 @@ TRACE_EVENT_FN(mmap_lock_released, > ), > > TP_printk( > - "mm=%p memcg_path=%s write=%s\n", > + "mm=%p memcg_path=%s write=%s", > __entry->mm, > __get_str(memcg_path), > __entry->write ? "true" : "false"