Update README.md for supported kernel

[lttng-modules.git] / instrumentation / events / lttng-module / power.h

diff --git a/instrumentation/events/lttng-module/power.h b/instrumentation/events/lttng-module/power.h
index 235991a599b6fb54105bbb46a22337548ab3a005..e9f56dc9aaefe6288e57e41eb177dfeaa8261119 100644 (file)
--- a/instrumentation/events/lttng-module/power.h
+++ b/instrumentation/events/lttng-module/power.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM power
 
@@ -6,9 +7,7 @@
 
 #include <probes/lttng-tracepoint-event.h>
 #include <linux/ktime.h>
-#include <linux/version.h>
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,38))
 LTTNG_TRACEPOINT_EVENT_CLASS(power_cpu,
 
        TP_PROTO(unsigned int state, unsigned int cpu_id),
@@ -58,9 +57,7 @@ LTTNG_TRACEPOINT_EVENT_MAP(machine_suspend,
                ctf_integer(u32, state, state)
        )
 )
-#endif
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0))
 LTTNG_TRACEPOINT_EVENT_CLASS(power_wakeup_source,
 
        TP_PROTO(const char *name, unsigned int state),
@@ -90,123 +87,7 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_wakeup_source, wakeup_source_deactivat
 
        TP_ARGS(name, state)
 )
-#endif
-
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38))
-#undef CONFIG_EVENT_POWER_TRACING_DEPRECATED
-#define CONFIG_EVENT_POWER_TRACING_DEPRECATED
-#define _PWR_EVENT_AVOID_DOUBLE_DEFINING_DEPRECATED
-#endif
-
-#ifdef CONFIG_EVENT_POWER_TRACING_DEPRECATED
-
-/*
- * The power events are used for cpuidle & suspend (power_start, power_end)
- *  and for cpufreq (power_frequency)
- */
-LTTNG_TRACEPOINT_EVENT_CLASS(power,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-       TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-       TP_ARGS(type, state, cpu_id),
-#else
-       TP_PROTO(unsigned int type, unsigned int state),
-
-       TP_ARGS(type, state),
-#endif
-
-       TP_FIELDS(
-               ctf_integer(u64, type, type)
-               ctf_integer(u64, state, state)
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-               ctf_integer(u64, cpu_id, cpu_id)
-#endif
-       )
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(power, power_start,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-       TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-       TP_ARGS(type, state, cpu_id)
-#else
-       TP_PROTO(unsigned int type, unsigned int state),
-
-       TP_ARGS(type, state)
-#endif
-)
-
-LTTNG_TRACEPOINT_EVENT_INSTANCE(power, power_frequency,
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-       TP_PROTO(unsigned int type, unsigned int state, unsigned int cpu_id),
-
-       TP_ARGS(type, state, cpu_id)
-#else
-       TP_PROTO(unsigned int type, unsigned int state),
-
-       TP_ARGS(type, state)
-#endif
-)
-
-LTTNG_TRACEPOINT_EVENT(power_end,
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-       TP_PROTO(unsigned int cpu_id),
-
-       TP_ARGS(cpu_id),
-#else
-       TP_PROTO(int dummy),
-
-       TP_ARGS(dummy),
-#endif
-
-       TP_FIELDS(
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36))
-               ctf_integer(u64, cpu_id, cpu_id)
-#else
-               ctf_integer(u64, dummy, 0xffff)
-#endif
-       )
-)
-
-/* 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) {};
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,4,0))
-static inline void trace_power_start_rcuidle(u64 type, u64 state, u64 cpuid) {};
-static inline void trace_power_end_rcuidle(u64 cpuid) {};
-#endif
-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 */
-
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,37))
 /*
  * The clock events are used for clock enable/disable and for
  *  clock rate change
@@ -273,7 +154,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(power_domain, power_domain_target,
 
        TP_ARGS(name, state, cpu_id)
 )
-#endif
 
 #endif /* LTTNG_TRACE_POWER_H */