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-rw-r--r--tools/power/cpupower/utils/helpers/sysfs.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
index 0401a97a4ca..d28f11fedbd 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.h
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -7,8 +7,16 @@
extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
+extern unsigned int sysfs_idlestate_file_exists(unsigned int cpu,
+ unsigned int idlestate,
+ const char *fname);
+
extern int sysfs_is_cpu_online(unsigned int cpu);
+extern int sysfs_is_idlestate_disabled(unsigned int cpu,
+ unsigned int idlestate);
+extern int sysfs_idlestate_disable(unsigned int cpu, unsigned int idlestate,
+ unsigned int disable);
extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
unsigned int idlestate);
extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,