Merge tag 'v2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

[mv-sheeva.git] / include / trace / events / power.h

diff --git a/include/trace/events/power.h b/include/trace/events/power.h
index 286784d69b8f480343244d8046327a5a7d9883d9..1bcc2a8c00e29966aa8e48f1f135a3330364b668 100644 (file)
--- a/include/trace/events/power.h
+++ b/include/trace/events/power.h
@@ -7,16 +7,67 @@
 #include <linux/ktime.h>
 #include <linux/tracepoint.h>
 
-#ifndef _TRACE_POWER_ENUM_
-#define _TRACE_POWER_ENUM_
-enum {
-       POWER_NONE      = 0,
-       POWER_CSTATE    = 1,    /* C-State */
-       POWER_PSTATE    = 2,    /* Fequency change or DVFS */
-       POWER_SSTATE    = 3,    /* Suspend */
-};
+DECLARE_EVENT_CLASS(cpu,
+
+       TP_PROTO(unsigned int state, unsigned int cpu_id),
+
+       TP_ARGS(state, cpu_id),
+
+       TP_STRUCT__entry(
+               __field(        u32,            state           )
+               __field(        u32,            cpu_id          )
+       ),
+
+       TP_fast_assign(
+               __entry->state = state;
+               __entry->cpu_id = cpu_id;
+       ),
+
+       TP_printk("state=%lu cpu_id=%lu", (unsigned long)__entry->state,
+                 (unsigned long)__entry->cpu_id)
+);
+
+DEFINE_EVENT(cpu, cpu_idle,
+
+       TP_PROTO(unsigned int state, unsigned int cpu_id),
+
+       TP_ARGS(state, cpu_id)
+);
+
+/* This file can get included multiple times, TRACE_HEADER_MULTI_READ at top */
+#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING
+#define _PWR_EVENT_AVOID_DOUBLE_DEFINING
+
+#define PWR_EVENT_EXIT -1
 #endif
 
+DEFINE_EVENT(cpu, cpu_frequency,
+
+       TP_PROTO(unsigned int frequency, unsigned int cpu_id),
+
+       TP_ARGS(frequency, cpu_id)
+);
+
+TRACE_EVENT(machine_suspend,
+
+       TP_PROTO(unsigned int state),
+
+       TP_ARGS(state),
+
+       TP_STRUCT__entry(
+               __field(        u32,            state           )
+       ),
+
+       TP_fast_assign(
+               __entry->state = state;
+       ),
+
+       TP_printk("state=%lu", (unsigned long)__entry->state)
+);
+
+/* This code will be removed after deprecation time exceeded (2.6.41) */
+#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
+
 /*
  * The power events are used for cpuidle & suspend (power_start, power_end)
  *  and for cpufreq (power_frequency)
@@ -75,6 +126,36 @@ TRACE_EVENT(power_end,
 
 );
 
+/* Deprecated dummy functions must be protected against multi-declartion */
+#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
+#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
+
+enum {
+       POWER_NONE = 0,
+       POWER_CSTATE = 1,
+       POWER_PSTATE = 2,
+};
+#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
+
+#else /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
+
+#ifndef _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
+#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
+enum {
+       POWER_NONE = 0,
+       POWER_CSTATE = 1,
+       POWER_PSTATE = 2,
+};
+
+/* These dummy declaration have to be ripped out when the deprecated
+   events get removed */
+static inline void trace_power_start(u64 type, u64 state, u64 cpuid) {};
+static inline void trace_power_end(u64 cpuid) {};
+static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
+#endif /* _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED */
+
+#endif /* CONFIG_EVENT_POWER_TRACING_DEPRECATED */
+
 /*
  * The clock events are used for clock enable/disable and for
  *  clock rate change
@@ -153,7 +234,6 @@ DEFINE_EVENT(power_domain, power_domain_target,
 
        TP_ARGS(name, state, cpu_id)
 );
-
 #endif /* _TRACE_POWER_H */
 
 /* This part must be outside protection */