root/kernel/trace/trace_benchmark.h
// SPDX-License-Identifier: GPL-2.0
#undef TRACE_SYSTEM
#define TRACE_SYSTEM benchmark

#if !defined(_TRACE_BENCHMARK_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_BENCHMARK_H

#include <linux/tracepoint.h>

extern int trace_benchmark_reg(void);
extern void trace_benchmark_unreg(void);

#define BENCHMARK_EVENT_STRLEN          128

TRACE_EVENT_FN(benchmark_event,

        TP_PROTO(const char *str, u64 delta),

        TP_ARGS(str, delta),

        TP_STRUCT__entry(
                __array(        char,   str,    BENCHMARK_EVENT_STRLEN  )
                __field(        u64,    delta)
        ),

        TP_fast_assign(
                memcpy(__entry->str, str, BENCHMARK_EVENT_STRLEN);
                __entry->delta = delta;
        ),

        TP_printk("%s delta=%llu", __entry->str, __entry->delta),

        trace_benchmark_reg, trace_benchmark_unreg
);

#endif /* _TRACE_BENCHMARK_H */

#undef TRACE_INCLUDE_FILE
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#define TRACE_INCLUDE_FILE trace_benchmark

/* This part must be outside protection */
#include <trace/define_trace.h>