diff options
| author | Lluís Vilanova <vilanova@ac.upc.edu> | 2014-05-27 15:02:14 +0200 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2014-06-09 15:43:40 +0200 |
| commit | 5b808275f3bbe8cc95bb9301f4d5a41331d0e0e6 (patch) | |
| tree | d5611a010851864336448529088cd94a9afcf83a /trace/ftrace.h | |
| parent | 82432638ebeedda8a2e18838b6fbef4b14a94f31 (diff) | |
| download | qemu-5b808275f3bbe8cc95bb9301f4d5a41331d0e0e6.tar.gz | |
trace: Multi-backend tracing
Adds support to compile QEMU with multiple tracing backends at the same time.
For example, you can compile QEMU with:
$ ./configure --enable-trace-backends=ftrace,dtrace
Where 'ftrace' can be handy for having an in-flight record of events, and 'dtrace' can be later used to extract more information from the system.
This patch allows having both available without recompiling QEMU.
Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'trace/ftrace.h')
| -rw-r--r-- | trace/ftrace.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/trace/ftrace.h b/trace/ftrace.h index 94cb8d5365..863e052e90 100644 --- a/trace/ftrace.h +++ b/trace/ftrace.h @@ -1,10 +1,15 @@ #ifndef TRACE_FTRACE_H #define TRACE_FTRACE_H +#include <stdbool.h> + + #define MAX_TRACE_STRLEN 512 #define _STR(x) #x #define STR(x) _STR(x) extern int trace_marker_fd; +bool ftrace_init(void); + #endif /* ! TRACE_FTRACE_H */ |