Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / tools / power / cpupower / utils / idle_monitor / cpupower-monitor.h

diff --git a/kernel/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/kernel/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
new file mode 100644 (file)
index 0000000..9e43f33
--- /dev/null
+++ b/kernel/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
@@ -0,0 +1,85 @@
+/*
+ *  (C) 2010,2011       Thomas Renninger <trenn@suse.de>, Novell Inc.
+ *
+ *  Licensed under the terms of the GNU GPL License version 2.
+ *
+ */
+
+#ifndef __CPUIDLE_INFO_HW__
+#define __CPUIDLE_INFO_HW__
+
+#include <stdarg.h>
+#include <time.h>
+
+#include "idle_monitor/idle_monitors.h"
+
+#define MONITORS_MAX 20
+#define MONITOR_NAME_LEN 20
+#define CSTATE_NAME_LEN 5
+#define CSTATE_DESC_LEN 60
+
+int cpu_count;
+
+/* Hard to define the right names ...: */
+enum power_range_e {
+       RANGE_THREAD,   /* Lowest in topology hierarcy, AMD: core, Intel: thread
+                          kernel sysfs: cpu */
+       RANGE_CORE,     /* AMD: unit, Intel: core, kernel_sysfs: core_id */
+       RANGE_PACKAGE,  /* Package, processor socket */
+       RANGE_MACHINE,  /* Machine, platform wide */
+       RANGE_MAX };
+
+typedef struct cstate {
+       int  id;
+       enum power_range_e range;
+       char name[CSTATE_NAME_LEN];
+       char desc[CSTATE_DESC_LEN];
+
+       /* either provide a percentage or a general count */
+       int (*get_count_percent)(unsigned int self_id, double *percent,
+                                unsigned int cpu);
+       int (*get_count)(unsigned int self_id, unsigned long long *count,
+                        unsigned int cpu);
+} cstate_t;
+
+struct cpuidle_monitor {
+       /* Name must not contain whitespaces */
+       char name[MONITOR_NAME_LEN];
+       int name_len;
+       int hw_states_num;
+       cstate_t *hw_states;
+       int (*start) (void);
+       int (*stop) (void);
+       struct cpuidle_monitor* (*do_register) (void);
+       void (*unregister)(void);
+       unsigned int overflow_s;
+       int needs_root;
+};
+
+extern long long timespec_diff_us(struct timespec start, struct timespec end);
+
+#define print_overflow_err(mes, ov)                                            \
+{                                                                              \
+       fprintf(stderr, gettext("Measure took %u seconds, but registers could " \
+                               "overflow at %u seconds, results "              \
+                               "could be inaccurate\n"), mes, ov);             \
+}
+
+
+/* Taken over from x86info project sources  -> return 0 on success */
+#include <sched.h>
+#include <sys/types.h>
+#include <unistd.h>
+static inline int bind_cpu(int cpu)
+{
+       cpu_set_t set;
+
+       if (sched_getaffinity(getpid(), sizeof(set), &set) == 0) {
+               CPU_ZERO(&set);
+               CPU_SET(cpu, &set);
+               return sched_setaffinity(getpid(), sizeof(set), &set);
+       }
+       return 1;
+}
+
+#endif /* __CPUIDLE_INFO_HW__ */