From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753871AbbIBH6y (ORCPT ); Wed, 2 Sep 2015 03:58:54 -0400 Received: from mx1.redhat.com ([209.132.183.28]:50577 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753385AbbIBH5N (ORCPT ); Wed, 2 Sep 2015 03:57:13 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , David Ahern , Ingo Molnar , Namhyung Kim , Peter Zijlstra , Matt Fleming , =?UTF-8?q?Rapha=C3=ABl=20Beamonte?= , Steven Rostedt Subject: [PATCH 10/15] tools lib api: Add tracefs into fs.c object Date: Wed, 2 Sep 2015 09:56:40 +0200 Message-Id: <1441180605-24737-11-git-send-email-jolsa@kernel.org> In-Reply-To: <1441180605-24737-1-git-send-email-jolsa@kernel.org> References: <1441180605-24737-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Adding tracefs support into fs.c framework. It'll replace the tracefs object functionality in following patches. Link: http://lkml.kernel.org/n/tip-m27bbnbg8s03mt2na6zghf9q@git.kernel.org Signed-off-by: Jiri Olsa --- tools/lib/api/fs/fs.c | 28 ++++++++++++++++++++++++++++ tools/lib/api/fs/fs.h | 1 + 2 files changed, 29 insertions(+) diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 798052cbc7c0..ef16d2a83a27 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -28,6 +28,10 @@ #define DEBUGFS_MAGIC 0x64626720 #endif +#ifndef TRACEFS_MAGIC +#define TRACEFS_MAGIC 0x74726163 +#endif + static const char * const sysfs__fs_known_mountpoints[] = { "/sys", 0, @@ -48,6 +52,19 @@ static const char * const debugfs__known_mountpoints[] = { 0, }; + +#ifndef TRACEFS_DEFAULT_PATH +#define TRACEFS_DEFAULT_PATH "/sys/kernel/tracing" +#endif + +static const char * const tracefs__known_mountpoints[] = { + TRACEFS_DEFAULT_PATH, + "/sys/kernel/debug/tracing", + "/tracing", + "/trace", + 0, +}; + struct fs { const char *name; const char * const *mounts; @@ -60,8 +77,13 @@ enum { FS__SYSFS = 0, FS__PROCFS = 1, FS__DEBUGFS = 2, + FS__TRACEFS = 3, }; +#ifndef TRACEFS_MAGIC +#define TRACEFS_MAGIC 0x74726163 +#endif + static struct fs fs__entries[] = { [FS__SYSFS] = { .name = "sysfs", @@ -78,6 +100,11 @@ static struct fs fs__entries[] = { .mounts = debugfs__known_mountpoints, .magic = DEBUGFS_MAGIC, }, + [FS__TRACEFS] = { + .name = "tracefs", + .mounts = tracefs__known_mountpoints, + .magic = TRACEFS_MAGIC, + }, }; static bool fs__read_mounts(struct fs *fs) @@ -197,6 +224,7 @@ const char *name##__mountpoint(void) \ FS__MOUNTPOINT(sysfs, FS__SYSFS); FS__MOUNTPOINT(procfs, FS__PROCFS); FS__MOUNTPOINT(debugfs, FS__DEBUGFS); +FS__MOUNTPOINT(tracefs, FS__TRACEFS); int filename__read_int(const char *filename, int *value) { diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h index a4e6b1d93d2f..9013227ae0d1 100644 --- a/tools/lib/api/fs/fs.h +++ b/tools/lib/api/fs/fs.h @@ -12,6 +12,7 @@ const char *sysfs__mountpoint(void); const char *procfs__mountpoint(void); const char *debugfs__mountpoint(void); +const char *tracefs__mountpoint(void); int filename__read_int(const char *filename, int *value); int sysctl__read_int(const char *sysctl, int *value); -- 2.4.3