From patchwork Mon Nov 19 12:54:31 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tzvetomir Stoyanov X-Patchwork-Id: 10759771 Return-Path: Received: from mail-eopbgr790045.outbound.protection.outlook.com ([40.107.79.45]:56480 "EHLO NAM03-CO1-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1728882AbeKSXSI (ORCPT ); Mon, 19 Nov 2018 18:18:08 -0500 From: Tzvetomir Stoyanov To: "rostedt@goodmis.org" CC: "linux-trace-devel@vger.kernel.org" Subject: [PATCH 20/34] tools/lib/traceevent: Man pages for tep_filter_copy() and tep_filter_compare() Date: Mon, 19 Nov 2018 12:54:31 +0000 Message-ID: <20181119125357.19449-21-tstoyanov@vmware.com> References: <20181119125357.19449-1-tstoyanov@vmware.com> In-Reply-To: <20181119125357.19449-1-tstoyanov@vmware.com> Content-Language: en-US MIME-Version: 1.0 Sender: linux-trace-devel-owner@vger.kernel.org List-ID: Content-Length: 2714 Create man pages for tep_filter_copy() and tep_filter_compare() as part of the libtraceevent APIs. Signed-off-by: Tzvetomir Stoyanov --- .../libtraceevent-filter_oper.txt | 84 +++++++++++++++++++ 1 file changed, 84 insertions(+) create mode 100644 tools/lib/traceevent/Documentation/libtraceevent-filter_oper.txt diff --git a/tools/lib/traceevent/Documentation/libtraceevent-filter_oper.txt b/tools/lib/traceevent/Documentation/libtraceevent-filter_oper.txt new file mode 100644 index 000000000000..5ddae5819a99 --- /dev/null +++ b/tools/lib/traceevent/Documentation/libtraceevent-filter_oper.txt @@ -0,0 +1,84 @@ +libtraceevent(3) +================ + +NAME +---- +tep_filter_copy,tep_filter_compare - Copy / compare operations with event filters. + +SYNOPSIS +-------- +[verse] +-- +*#include * + +int *tep_filter_copy*(struct tep_event_filter pass:[*]_dest_, struct tep_event_filter pass:[*]_source_); +int *tep_filter_compare*(struct tep_event_filter pass:[*]_filter1_, struct tep_event_filter pass:[*]_filter2_); +-- + +DESCRIPTION +----------- +The _tep_filter_copy()_ function copies a _source_ filter into a _dest_ filter. + +The _tep_filter_compare()_ function compares two filers - _filter1_ and _filter2_. + +RETURN VALUE +------------ +The _tep_filter_copy()_ function returns 0 on success or -1 if not all rules + were copied. + +The _tep_filter_compare()_ function returns 1 if the two filters hold the same +content, or 0 if they do not. + +EXAMPLE +------- +[source,c] +-- +#include +... +struct tep_handle *tep = tep_alloc(); +... +struct tep_event_filter *filter1 = tep_filter_alloc(tep); +struct tep_event_filter *filter2 = tep_filter_alloc(tep); +... +if (tep_filter_copy(filter1, filter2) != 0) { + /* Failed to copy filter2 in filter1 */ +} +... +if (tep_filter_compare(filter1, filter2) != 1) { + /* Both filters are different */ +} +... +-- + +FILES +----- +[verse] +-- +*event-parse.h* + Header file to include in order to have access to the library APIs. +*-ltraceevent* + Linker switch to add when building a program that uses the library. +-- + +SEE ALSO +-------- +_libtraceevent(3)_, _trace-cmd(1)_ + +AUTHOR +------ +[verse] +-- +*Steven Rostedt* , author of *libtraceevent*. +*Tzvetomir Stoyanov* , author of this man page. +-- +REPORTING BUGS +-------------- +Report bugs to + +LICENSE +------- +libtraceevent is Free Software licensed under the GNU LGPL 2.1 + +RESOURCES +--------- +https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git