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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-02-02 14:35:05 -0500
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-02-07 13:56:32 +0100
commita9edf60749a9483341facfa7c28bcf8afb3c8311 (patch)
tree2df8eea85646c7555ad0003fcbbc3e30b9c130ce /tools/lib/api/fs
parent4ef92c2ecd96ebad171e554020c83ce9fdb343ae (diff)
tools lib api debugfs: Add DEBUGFS_DEFAULT_PATH macro
Instead of hard coding "/sys/kernel/debug" everywhere, create a macro to hold where the default path exists. Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Acked-by: Jiri Olsa <jolsa@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@kernel.org> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20150202193553.032117017@goodmis.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/api/fs')
-rw-r--r--tools/lib/api/fs/debugfs.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c
index 91e1668348ce..07d74b03d828 100644
--- a/tools/lib/api/fs/debugfs.c
+++ b/tools/lib/api/fs/debugfs.c
@@ -10,10 +10,14 @@
#include "debugfs.h"
-char debugfs_mountpoint[PATH_MAX + 1] = "/sys/kernel/debug";
+#ifndef DEBUGFS_DEFAULT_PATH
+#define DEBUGFS_DEFAULT_PATH "/sys/kernel/debug"
+#endif
+
+char debugfs_mountpoint[PATH_MAX + 1] = DEBUGFS_DEFAULT_PATH;
static const char * const debugfs_known_mountpoints[] = {
- "/sys/kernel/debug",
+ DEBUGFS_DEFAULT_PATH,
"/debug",
0,
};
@@ -50,7 +54,7 @@ char *debugfs_mount(const char *mountpoint)
mountpoint = getenv(PERF_DEBUGFS_ENVIRONMENT);
/* if no environment variable, use default */
if (mountpoint == NULL)
- mountpoint = "/sys/kernel/debug";
+ mountpoint = DEBUGFS_DEFAULT_PATH;
}
if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0)