diff options
Diffstat (limited to 'kernel/trace/trace_benchmark.h')
-rw-r--r-- | kernel/trace/trace_benchmark.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/kernel/trace/trace_benchmark.h b/kernel/trace/trace_benchmark.h new file mode 100644 index 000000000..c3e91060d --- /dev/null +++ b/kernel/trace/trace_benchmark.h @@ -0,0 +1,44 @@ +// 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> |