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 X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EB99AC282CE for ; Wed, 5 Jun 2019 00:42:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B6DF820874 for ; Wed, 5 Jun 2019 00:42:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="uuxW5Kfr" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726590AbfFEAms (ORCPT ); Tue, 4 Jun 2019 20:42:48 -0400 Received: from userp2130.oracle.com ([156.151.31.86]:53806 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726179AbfFEAms (ORCPT ); Tue, 4 Jun 2019 20:42:48 -0400 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x550Z1OG162050; Wed, 5 Jun 2019 00:42:19 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2018-07-02; bh=c5azvVfPt2xcmajcePerZc/MJE/6GZzmboOOmBWkC0U=; b=uuxW5KfrYE4znBKzbl1GZqOHHb/Sv6IrNFPWNbCq2BIG9FILol8XxNaflFsPc6eKVED1 8EGaAizgFV1kNDk7sLE01VLkCrdleauaHcQ0fzDdO4bOWcsSthDmiT42wg52Y56USEA9 QCNwlsEZydp/Bh0lC1dkvG9DQkTTwux9Tfw3+AQNMMtU13zLeX7BaOlWIKgpa3gWfZth lK5ZSQ8loURTYOvhUm6AsxGoIwYGyPEk+4MbPUn9l4Zz07hbuVL6YZgyZusxKNOiPzED An1OomtHbs1NjKIK4hkts6y6pCBhljE4HkKS2cZ7eXndhYDfDt5+2++X3JxhOow8G2/w 9w== Received: from aserp3030.oracle.com (aserp3030.oracle.com [141.146.126.71]) by userp2130.oracle.com with ESMTP id 2sugstg46f-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 05 Jun 2019 00:42:19 +0000 Received: from pps.filterd (aserp3030.oracle.com [127.0.0.1]) by aserp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id x550ebh5116348; Wed, 5 Jun 2019 00:42:18 GMT Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserp3030.oracle.com with ESMTP id 2swnhbw1em-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Wed, 05 Jun 2019 00:42:18 +0000 Received: from abhmp0008.oracle.com (abhmp0008.oracle.com [141.146.116.14]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id x550gHm5014121; Wed, 5 Jun 2019 00:42:17 GMT Received: from ca-common-hq.us.oracle.com (/10.211.9.209) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Tue, 04 Jun 2019 17:42:16 -0700 From: Divya Indi To: linux-kernel@vger.kernel.org Cc: Srinivas Eeda , Steven Rostedt , Divya Indi Subject: [PATCH 1/3] tracing: Relevant changes for kernel access to Ftrace instances. Date: Tue, 4 Jun 2019 17:42:03 -0700 Message-Id: <1559695325-17155-2-git-send-email-divya.indi@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1559695325-17155-1-git-send-email-divya.indi@oracle.com> References: <1559695325-17155-1-git-send-email-divya.indi@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9278 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=1 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906050001 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9278 signatures=668687 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1906050001 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org For commit (f45d122): tracing: Kernel access to Ftrace instances. We need the following additional changes to ensure other kernel components can use these functions - 1) Remove static keyword for newly exported fn - ftrace_set_clr_event. 2) Add the req functions to header file include/linux/trace_events.h. Signed-off-by: Divya Indi --- include/linux/trace_events.h | 6 ++++++ kernel/trace/trace_events.c | 2 +- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/include/linux/trace_events.h b/include/linux/trace_events.h index 8a62731..d7b7d85 100644 --- a/include/linux/trace_events.h +++ b/include/linux/trace_events.h @@ -539,6 +539,12 @@ extern int trace_define_field(struct trace_event_call *call, const char *type, #define is_signed_type(type) (((type)(-1)) < (type)1) +void trace_printk_init_buffers(void); +int trace_array_printk(struct trace_array *tr, unsigned long ip, + const char *fmt, ...); +struct trace_array *trace_array_create(const char *name); +int trace_array_destroy(struct trace_array *tr); +int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set); int trace_set_clr_event(const char *system, const char *event, int set); /* diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c index 0ce3db6..b6b4618 100644 --- a/kernel/trace/trace_events.c +++ b/kernel/trace/trace_events.c @@ -795,7 +795,7 @@ static int __ftrace_set_clr_event(struct trace_array *tr, const char *match, return ret; } -static int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set) +int ftrace_set_clr_event(struct trace_array *tr, char *buf, int set) { char *event = NULL, *sub = NULL, *match; int ret; -- 1.8.3.1