From 60a1133a5b39738671eff1e4d77bedc1ee3fa528 Mon Sep 17 00:00:00 2001 From: Jiri Olsa Date: Wed, 2 Sep 2015 09:56:44 +0200 Subject: tools lib api fs: Remove debugfs, tracefs and findfs objects We have all the functionality in fs.c, let's remove unneeded objects. Signed-off-by: Jiri Olsa Cc: David Ahern Cc: Matt Fleming Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Raphael Beamonte Cc: Steven Rostedt Link: http://lkml.kernel.org/r/1441180605-24737-15-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/lib/api/fs/tracefs.c | 78 ---------------------------------------------- 1 file changed, 78 deletions(-) delete mode 100644 tools/lib/api/fs/tracefs.c (limited to 'tools/lib/api/fs/tracefs.c') diff --git a/tools/lib/api/fs/tracefs.c b/tools/lib/api/fs/tracefs.c deleted file mode 100644 index e4aa9688b71e..000000000000 --- a/tools/lib/api/fs/tracefs.c +++ /dev/null @@ -1,78 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "tracefs.h" - -#ifndef TRACEFS_DEFAULT_PATH -#define TRACEFS_DEFAULT_PATH "/sys/kernel/tracing" -#endif - -char tracefs_mountpoint[PATH_MAX + 1] = TRACEFS_DEFAULT_PATH; - -static const char * const tracefs_known_mountpoints[] = { - TRACEFS_DEFAULT_PATH, - "/sys/kernel/debug/tracing", - "/tracing", - "/trace", - 0, -}; - -static bool tracefs_found; - -bool tracefs_configured(void) -{ - return tracefs_find_mountpoint() != NULL; -} - -/* find the path to the mounted tracefs */ -const char *tracefs_find_mountpoint(void) -{ - const char *ret; - - if (tracefs_found) - return (const char *)tracefs_mountpoint; - - ret = find_mountpoint("tracefs", (long) TRACEFS_MAGIC, - tracefs_mountpoint, PATH_MAX + 1, - tracefs_known_mountpoints); - - if (ret) - tracefs_found = true; - - return ret; -} - -/* mount the tracefs somewhere if it's not mounted */ -char *tracefs_mount(const char *mountpoint) -{ - /* see if it's already mounted */ - if (tracefs_find_mountpoint()) - goto out; - - /* if not mounted and no argument */ - if (mountpoint == NULL) { - /* see if environment variable set */ - mountpoint = getenv(PERF_TRACEFS_ENVIRONMENT); - /* if no environment variable, use default */ - if (mountpoint == NULL) - mountpoint = TRACEFS_DEFAULT_PATH; - } - - if (mount(NULL, mountpoint, "tracefs", 0, NULL) < 0) - return NULL; - - /* save the mountpoint */ - tracefs_found = true; - strncpy(tracefs_mountpoint, mountpoint, sizeof(tracefs_mountpoint)); -out: - return tracefs_mountpoint; -} -- cgit