qemu/simpletrace.h
Lluís 6d8a764e0f trace: [configure] rename CONFIG_*_TRACE into CONFIG_TRACE_*
Provides a more hierarchical view of the variable domain.

Also adds the CONFIG_TRACE_* variables for all backends.

[Stefan added missing 'test' in stap if statement]

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
2011-09-01 10:34:53 +01:00

48 lines
1.5 KiB
C

/*
* Simple trace backend
*
* Copyright IBM, Corp. 2010
*
* This work is licensed under the terms of the GNU GPL, version 2. See
* the COPYING file in the top-level directory.
*
*/
#ifndef SIMPLETRACE_H
#define SIMPLETRACE_H
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#ifdef CONFIG_TRACE_SIMPLE
typedef uint64_t TraceEventID;
typedef struct {
const char *tp_name;
bool state;
} TraceEvent;
void trace0(TraceEventID event);
void trace1(TraceEventID event, uint64_t x1);
void trace2(TraceEventID event, uint64_t x1, uint64_t x2);
void trace3(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3);
void trace4(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4);
void trace5(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5);
void trace6(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5, uint64_t x6);
void st_print_trace(FILE *stream, fprintf_function stream_printf);
void st_print_trace_events(FILE *stream, fprintf_function stream_printf);
bool st_change_trace_event_state(const char *tname, bool tstate);
void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
void st_set_trace_file_enabled(bool enable);
bool st_set_trace_file(const char *file);
void st_flush_trace_buffer(void);
bool st_init(const char *file);
#else
static inline bool st_init(const char *file)
{
return true;
}
#endif /* !CONFIG_TRACE_SIMPLE */
#endif /* SIMPLETRACE_H */