From 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 Mon Sep 17 00:00:00 2001 From: Yunhong Jiang Date: Tue, 4 Aug 2015 12:17:53 -0700 Subject: Add the rt linux 4.1.3-rt3 as base Import the rt linux 4.1.3-rt3 as OPNFV kvm base. It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and the base is: commit 0917f823c59692d751951bf5ea699a2d1e2f26a2 Author: Sebastian Andrzej Siewior Date: Sat Jul 25 12:13:34 2015 +0200 Prepare v4.1.3-rt3 Signed-off-by: Sebastian Andrzej Siewior We lose all the git history this way and it's not good. We should apply another opnfv project repo in future. Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423 Signed-off-by: Yunhong Jiang --- kernel/tools/power/cpupower/utils/helpers/sysfs.h | 38 +++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 kernel/tools/power/cpupower/utils/helpers/sysfs.h (limited to 'kernel/tools/power/cpupower/utils/helpers/sysfs.h') diff --git a/kernel/tools/power/cpupower/utils/helpers/sysfs.h b/kernel/tools/power/cpupower/utils/helpers/sysfs.h new file mode 100644 index 000000000..d28f11fed --- /dev/null +++ b/kernel/tools/power/cpupower/utils/helpers/sysfs.h @@ -0,0 +1,38 @@ +#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 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, + 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 unsigned 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__ */ -- cgit 1.2.3-korg