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-rw-r--r--tools/perf/util/util.c26
1 files changed, 1 insertions, 25 deletions
diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c
index d5eab3f3323..b86744f29ee 100644
--- a/tools/perf/util/util.c
+++ b/tools/perf/util/util.c
@@ -442,23 +442,6 @@ unsigned long parse_tag_value(const char *str, struct parse_tag *tags)
return (unsigned long) -1;
}
-int filename__read_int(const char *filename, int *value)
-{
- char line[64];
- int fd = open(filename, O_RDONLY), err = -1;
-
- if (fd < 0)
- return -1;
-
- if (read(fd, line, sizeof(line)) > 0) {
- *value = atoi(line);
- err = 0;
- }
-
- close(fd);
- return err;
-}
-
int filename__read_str(const char *filename, char **buf, size_t *sizep)
{
size_t size = 0, alloc_size = 0;
@@ -523,16 +506,9 @@ const char *get_filename_for_perf_kvm(void)
int perf_event_paranoid(void)
{
- char path[PATH_MAX];
- const char *procfs = procfs__mountpoint();
int value;
- if (!procfs)
- return INT_MAX;
-
- scnprintf(path, PATH_MAX, "%s/sys/kernel/perf_event_paranoid", procfs);
-
- if (filename__read_int(path, &value))
+ if (sysctl__read_int("kernel/perf_event_paranoid", &value))
return INT_MAX;
return value;