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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>
This commit is contained in:
Steven Rostedt (Red Hat) 2015-02-02 14:35:05 -05:00 committed by Arnaldo Carvalho de Melo
parent 4ef92c2ecd
commit a9edf60749
1 changed files with 7 additions and 3 deletions
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10
tools/lib/api/fs/debugfs.c
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@ -10,10 +10,14 @@
#include "debugfs.h" #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[] = { static const char * const debugfs_known_mountpoints[] = {
"/sys/kernel/debug", DEBUGFS_DEFAULT_PATH,
"/debug", "/debug",
0, 0,
}; };
@ -50,7 +54,7 @@ char *debugfs_mount(const char *mountpoint)
mountpoint = getenv(PERF_DEBUGFS_ENVIRONMENT); mountpoint = getenv(PERF_DEBUGFS_ENVIRONMENT);
/* if no environment variable, use default */ /* if no environment variable, use default */
if (mountpoint == NULL) if (mountpoint == NULL)
mountpoint = "/sys/kernel/debug"; mountpoint = DEBUGFS_DEFAULT_PATH;
} }
if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0) if (mount(NULL, mountpoint, "debugfs", 0, NULL) < 0)