From patchwork Fri Nov 9 13:31:55 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tzvetomir Stoyanov X-Patchwork-Id: 10759709 Return-Path: Received: from mail-eopbgr810079.outbound.protection.outlook.com ([40.107.81.79]:10688 "EHLO NAM01-BY2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1727667AbeKIXMk (ORCPT ); Fri, 9 Nov 2018 18:12:40 -0500 From: Tzvetomir Stoyanov To: "rostedt@goodmis.org" CC: "linux-trace-devel@vger.kernel.org" Subject: [PATCH v2 08/11] tools/lib/traceevent: Man page for tep_is_host_bigendian() and tep_set_host_bigendian() Date: Fri, 9 Nov 2018 13:31:55 +0000 Message-ID: <20181109133135.25804-8-tstoyanov@vmware.com> References: <20181109133135.25804-1-tstoyanov@vmware.com> In-Reply-To: <20181109133135.25804-1-tstoyanov@vmware.com> Content-Language: en-US MIME-Version: 1.0 Sender: linux-trace-devel-owner@vger.kernel.org List-ID: Content-Length: 2865 Create man pages for tep_is_host_bigendian() and tep_set_host_bigendian() as part of the libtraceevent APIs. Signed-off-by: Tzvetomir Stoyanov --- .../libtraceevent-host_endian.txt | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 tools/lib/traceevent/Documentation/libtraceevent-host_endian.txt diff --git a/tools/lib/traceevent/Documentation/libtraceevent-host_endian.txt b/tools/lib/traceevent/Documentation/libtraceevent-host_endian.txt new file mode 100644 index 000000000000..250eb430c06a --- /dev/null +++ b/tools/lib/traceevent/Documentation/libtraceevent-host_endian.txt @@ -0,0 +1,90 @@ +libtraceevent(3) +================ + +NAME +---- +tep_is_host_bigendian,tep_set_host_bigendian,tep_host_bigendian - Get / set the endianess of +the machine running the current code. + +SYNOPSIS +-------- +[verse] +-- +*#include * + +enum *tep_endian* { + TEP_LITTLE_ENDIAN = 0, + TEP_BIG_ENDIAN +}; + +int *tep_is_host_bigendian*(struct tep_handle pass:[*]_tep_); +void *tep_set_host_bigendian*(struct tep_handle pass:[*]_tep_, enum tep_endian _endian_); +int tep_host_bigendian(void); +-- + +DESCRIPTION +----------- +The _tep_is_host_bigendian()_ function returns the endianess of the the machine +running the current code. The _tep_ argument is trace event parser context. + +The _tep_set_host_bigendian()_ set the endianess of the machine running the code. +The _tep_ argument is trace event parser context. The _endian_ argument is the endianess: +[verse] +-- + _TEP_LITTLE_ENDIAN_ - the machine is little endian, + _TEP_BIG_ENDIAN_ - the machine is big endian. +-- + +RETURN VALUE +------------ +The _tep_is_host_bigendian()_ function returns _TEP_LITTLE_ENDIAN_ or _TEP_BIG_ENDIAN_. + +EXAMPLE +------- +[source,c] +-- +#include +... +struct tep_handle *tep = tep_alloc(); +... + tep_set_host_bigendian(tep, TEP_LITTLE_ENDIAN); +... + if (TEP_BIG_ENDIAN == tep_is_host_bigendian(tep)) { + /* The local host is big endian */ + } else { + /* The local host is little endian */ + } +-- + +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