Drop support for kernels < 3.0 from power instrumentation

[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 c934b47512e7857249d74288440ededfe02e96e3..fee6f5f8bb4eb583956c7f0ce9fe72d681fadd7f 100644 (file)
--- a/instrumentation/events/lttng-module/power.h
+++ b/instrumentation/events/lttng-module/power.h
@@ -1,14 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM power
 
 #if !defined(LTTNG_TRACE_POWER_H) || defined(TRACE_HEADER_MULTI_READ)
 #define LTTNG_TRACE_POWER_H
 
-#include "../../../probes/lttng-tracepoint-event.h"
+#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),
@@ -58,7 +58,6 @@ 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,
@@ -92,12 +91,6 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_wakeup_source, wakeup_source_deactivat
 )
 #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
 
 /*
@@ -106,69 +99,39 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE_MAP(power_wakeup_source, wakeup_source_deactivat
  */
 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
        )
 )
 
@@ -206,7 +169,6 @@ static inline void trace_power_frequency(u64 type, u64 state, u64 cpuid) {};
 
 #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
@@ -273,9 +235,8 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(power_domain, power_domain_target,
 
        TP_ARGS(name, state, cpu_id)
 )
-#endif
 
 #endif /* LTTNG_TRACE_POWER_H */
 
 /* This part must be outside protection */
-#include "../../../probes/define_trace.h"
+#include <probes/define_trace.h>