virtio-pci: Don't use ioeventfd on old kernels
[qemu/stefanha.git] / simpletrace.h
blob2f44ed3c3c1a20618ca3e16a70f9daabe80c1f9e
1 /*
2 * Simple trace backend
4 * Copyright IBM, Corp. 2010
6 * This work is licensed under the terms of the GNU GPL, version 2. See
7 * the COPYING file in the top-level directory.
9 */
11 #ifndef SIMPLETRACE_H
12 #define SIMPLETRACE_H
14 #include <stdint.h>
15 #include <stdbool.h>
16 #include <stdio.h>
18 typedef uint64_t TraceEventID;
20 typedef struct {
21 const char *tp_name;
22 bool state;
23 } TraceEvent;
25 void trace0(TraceEventID event);
26 void trace1(TraceEventID event, uint64_t x1);
27 void trace2(TraceEventID event, uint64_t x1, uint64_t x2);
28 void trace3(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3);
29 void trace4(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4);
30 void trace5(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5);
31 void trace6(TraceEventID event, uint64_t x1, uint64_t x2, uint64_t x3, uint64_t x4, uint64_t x5, uint64_t x6);
32 void st_print_trace(FILE *stream, fprintf_function stream_printf);
33 void st_print_trace_events(FILE *stream, fprintf_function stream_printf);
34 bool st_change_trace_event_state(const char *tname, bool tstate);
35 void st_print_trace_file_status(FILE *stream, fprintf_function stream_printf);
36 void st_set_trace_file_enabled(bool enable);
37 bool st_set_trace_file(const char *file);
38 void st_flush_trace_buffer(void);
40 #endif /* SIMPLETRACE_H */