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trace: separate trace event control and query routines from the simple backend

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Generalize the 'st_print_trace_events' and 'st_change_trace_event_state' into
backend-specific 'trace_print_events' and 'trace_event_set_state' (respectively)
in the "trace/control.h" file.

Signed-off-by: Lluís Vilanova <vilanova@ac.upc.edu>
This commit is contained in:
Lluís 2011-08-31 20:31:18 +02:00 • committed by Stefan Hajnoczi
parent 49926043c1
commit fc76410539
6 changed files with 40 additions and 17 deletions
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16
trace/simple.c
View file

@ -303,7 +303,12 @@ void st_print_trace(FILE *stream, int (*stream_printf)(FILE *stream, const char
}
}
void st_print_trace_events(FILE *stream, int (*stream_printf)(FILE *stream, const char *fmt, ...))
void st_flush_trace_buffer(void)
{
flush_trace_file(true);
}
void trace_print_events(FILE *stream, fprintf_function stream_printf)
{
unsigned int i;
@ -313,24 +318,19 @@ void st_print_trace_events(FILE *stream, int (*stream_printf)(FILE *stream, cons
}
}
bool st_change_trace_event_state(const char *name, bool enabled)
bool trace_event_set_state(const char *name, bool state)
{
unsigned int i;
for (i = 0; i < NR_TRACE_EVENTS; i++) {
if (!strcmp(trace_list[i].tp_name, name)) {
trace_list[i].state = enabled;
trace_list[i].state = state;
return true;
}
}
return false;
}
void st_flush_trace_buffer(void)
{
flush_trace_file(true);
}
bool trace_backend_init(const char *file)
{
pthread_t thread;