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Diffstat (limited to 'tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h')
-rw-r--r--tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h68
1 files changed, 68 insertions, 0 deletions
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
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index 000000000000..9312ee1f2dbc
--- /dev/null
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.h
@@ -0,0 +1,68 @@
+/*
+ * (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); \
+}
+
+#endif /* __CPUIDLE_INFO_HW__ */