kernel/trace/trace_benchmark.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 #undef TRACE_SYSTEM
   3 #define TRACE_SYSTEM benchmark
   4
   5 #if !defined(_TRACE_BENCHMARK_H) || defined(TRACE_HEADER_MULTI_READ)
   6 #define _TRACE_BENCHMARK_H
   7
   8 #include <linux/tracepoint.h>
   9
  10 extern int trace_benchmark_reg(void);
  11 extern void trace_benchmark_unreg(void);
  12
  13 #define BENCHMARK_EVENT_STRLEN          128
  14
  15 TRACE_EVENT_FN(benchmark_event,
  16
  17         TP_PROTO(const char *str, u64 delta),
  18
  19         TP_ARGS(str, delta),
  20
  21         TP_STRUCT__entry(
  22                 __array(        char,   str,    BENCHMARK_EVENT_STRLEN  )
  23                 __field(        u64,    delta)
  24         ),
  25
  26         TP_fast_assign(
  27                 memcpy(__entry->str, str, BENCHMARK_EVENT_STRLEN);
  28                 __entry->delta = delta;
  29         ),
  30
  31         TP_printk("%s delta=%llu", __entry->str, __entry->delta),
  32
  33         trace_benchmark_reg, trace_benchmark_unreg
  34 );
  35
  36 #endif /* _TRACE_BENCHMARK_H */
  37
  38 #undef TRACE_INCLUDE_FILE
  39 #undef TRACE_INCLUDE_PATH
  40 #define TRACE_INCLUDE_PATH .
  41 #define TRACE_INCLUDE_FILE trace_benchmark
  42
  43 /* This part must be outside protection */
  44 #include <trace/define_trace.h>