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-rw-r--r--tools/perf/util/sysfs.c60
1 files changed, 0 insertions, 60 deletions
diff --git a/tools/perf/util/sysfs.c b/tools/perf/util/sysfs.c
deleted file mode 100644
index f71e9eafe15a..000000000000
--- a/tools/perf/util/sysfs.c
+++ /dev/null
@@ -1,60 +0,0 @@
-
-#include "util.h"
-#include "sysfs.h"
-
-static const char * const sysfs_known_mountpoints[] = {
- "/sys",
- 0,
-};
-
-static int sysfs_found;
-char sysfs_mountpoint[PATH_MAX + 1];
-
-static int sysfs_valid_mountpoint(const char *sysfs)
-{
- struct statfs st_fs;
-
- if (statfs(sysfs, &st_fs) < 0)
- return -ENOENT;
- else if (st_fs.f_type != (long) SYSFS_MAGIC)
- return -ENOENT;
-
- return 0;
-}
-
-const char *sysfs_find_mountpoint(void)
-{
- const char * const *ptr;
- char type[100];
- FILE *fp;
-
- if (sysfs_found)
- return (const char *) sysfs_mountpoint;
-
- ptr = sysfs_known_mountpoints;
- while (*ptr) {
- if (sysfs_valid_mountpoint(*ptr) == 0) {
- sysfs_found = 1;
- strcpy(sysfs_mountpoint, *ptr);
- return sysfs_mountpoint;
- }
- ptr++;
- }
-
- /* give up and parse /proc/mounts */
- fp = fopen("/proc/mounts", "r");
- if (fp == NULL)
- return NULL;
-
- while (!sysfs_found &&
- fscanf(fp, "%*s %" STR(PATH_MAX) "s %99s %*s %*d %*d\n",
- sysfs_mountpoint, type) == 2) {
-
- if (strcmp(type, "sysfs") == 0)
- sysfs_found = 1;
- }
-
- fclose(fp);
-
- return sysfs_found ? sysfs_mountpoint : NULL;
-}