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authorJiri Olsa <jolsa@kernel.org>2015-09-02 09:56:39 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-09-04 17:00:59 +0200
commit8ccfabdb873df2e18b235bfaf2722f7528d220f1 (patch)
treebc6fe0e6a5282dd499e9fade7fe5425a8586d3fe
parenttools lib api fs: Move SYSFS_MAGIC PROC_SUPER_MAGIC into fs.c (diff)
downloadlinux-8ccfabdb873df2e18b235bfaf2722f7528d220f1.tar.xz
linux-8ccfabdb873df2e18b235bfaf2722f7528d220f1.zip
tools lib api fs: Add debugfs into fs.c object
Adding debugfs support into fs.c framework. It'll replace the debugfs object functionality in following patches. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Raphael Beamonte <raphael.beamonte@gmail.com> Cc: David Ahern <dsahern@gmail.com> Cc: Matt Fleming <matt@codeblueprint.co.uk> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1441180605-24737-10-git-send-email-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
-rw-r--r--tools/lib/api/fs/fs.c31
-rw-r--r--tools/lib/api/fs/fs.h1
2 files changed, 26 insertions, 6 deletions
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c
index 0700eb953495..798052cbc7c0 100644
--- a/tools/lib/api/fs/fs.c
+++ b/tools/lib/api/fs/fs.c
@@ -1,5 +1,3 @@
-/* TODO merge/factor in debugfs.c here */
-
#include <ctype.h>
#include <errno.h>
#include <stdbool.h>
@@ -26,6 +24,10 @@
#define PROC_SUPER_MAGIC 0x9fa0
#endif
+#ifndef DEBUGFS_MAGIC
+#define DEBUGFS_MAGIC 0x64626720
+#endif
+
static const char * const sysfs__fs_known_mountpoints[] = {
"/sys",
0,
@@ -36,6 +38,16 @@ static const char * const procfs__known_mountpoints[] = {
0,
};
+#ifndef DEBUGFS_DEFAULT_PATH
+#define DEBUGFS_DEFAULT_PATH "/sys/kernel/debug"
+#endif
+
+static const char * const debugfs__known_mountpoints[] = {
+ DEBUGFS_DEFAULT_PATH,
+ "/debug",
+ 0,
+};
+
struct fs {
const char *name;
const char * const *mounts;
@@ -45,8 +57,9 @@ struct fs {
};
enum {
- FS__SYSFS = 0,
- FS__PROCFS = 1,
+ FS__SYSFS = 0,
+ FS__PROCFS = 1,
+ FS__DEBUGFS = 2,
};
static struct fs fs__entries[] = {
@@ -60,6 +73,11 @@ static struct fs fs__entries[] = {
.mounts = procfs__known_mountpoints,
.magic = PROC_SUPER_MAGIC,
},
+ [FS__DEBUGFS] = {
+ .name = "debugfs",
+ .mounts = debugfs__known_mountpoints,
+ .magic = DEBUGFS_MAGIC,
+ },
};
static bool fs__read_mounts(struct fs *fs)
@@ -176,8 +194,9 @@ const char *name##__mountpoint(void) \
return fs__mountpoint(idx); \
}
-FS__MOUNTPOINT(sysfs, FS__SYSFS);
-FS__MOUNTPOINT(procfs, FS__PROCFS);
+FS__MOUNTPOINT(sysfs, FS__SYSFS);
+FS__MOUNTPOINT(procfs, FS__PROCFS);
+FS__MOUNTPOINT(debugfs, FS__DEBUGFS);
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 674efc8dfd9b..a4e6b1d93d2f 100644
--- a/tools/lib/api/fs/fs.h
+++ b/tools/lib/api/fs/fs.h
@@ -11,6 +11,7 @@
const char *sysfs__mountpoint(void);
const char *procfs__mountpoint(void);
+const char *debugfs__mountpoint(void);
int filename__read_int(const char *filename, int *value);
int sysctl__read_int(const char *sysctl, int *value);