summaryrefslogtreecommitdiff
path: root/tools/power/cpupower/utils/helpers/sysfs.h
diff options
context:
space:
mode:
authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /tools/power/cpupower/utils/helpers/sysfs.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
downloadFOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2
FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'tools/power/cpupower/utils/helpers/sysfs.h')
-rw-r--r--tools/power/cpupower/utils/helpers/sysfs.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/helpers/sysfs.h b/tools/power/cpupower/utils/helpers/sysfs.h
new file mode 100644
index 00000000..8cb797bb
--- /dev/null
+++ b/tools/power/cpupower/utils/helpers/sysfs.h
@@ -0,0 +1,30 @@
+#ifndef __CPUPOWER_HELPERS_SYSFS_H__
+#define __CPUPOWER_HELPERS_SYSFS_H__
+
+#define PATH_TO_CPU "/sys/devices/system/cpu/"
+#define MAX_LINE_LEN 255
+#define SYSFS_PATH_MAX 255
+
+extern unsigned int sysfs_read_file(const char *path, char *buf, size_t buflen);
+
+extern int sysfs_is_cpu_online(unsigned int cpu);
+
+extern unsigned long sysfs_get_idlestate_latency(unsigned int cpu,
+ unsigned int idlestate);
+extern unsigned long sysfs_get_idlestate_usage(unsigned int cpu,
+ unsigned int idlestate);
+extern unsigned long long sysfs_get_idlestate_time(unsigned int cpu,
+ unsigned int idlestate);
+extern char *sysfs_get_idlestate_name(unsigned int cpu,
+ unsigned int idlestate);
+extern char *sysfs_get_idlestate_desc(unsigned int cpu,
+ unsigned int idlestate);
+extern int sysfs_get_idlestate_count(unsigned int cpu);
+
+extern char *sysfs_get_cpuidle_governor(void);
+extern char *sysfs_get_cpuidle_driver(void);
+
+extern int sysfs_get_sched(const char *smt_mc);
+extern int sysfs_set_sched(const char *smt_mc, int val);
+
+#endif /* __CPUPOWER_HELPERS_SYSFS_H__ */