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Annotation of qemu/trace/default.c, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Default implementation for backend initialization from commandline.
                      3:  *
                      4:  * Copyright (C) 2011 Lluís Vilanova <[email protected]>
                      5:  *
                      6:  * This work is licensed under the terms of the GNU GPL, version 2.  See
                      7:  * the COPYING file in the top-level directory.
                      8:  */
                      9: 
                     10: #include "trace/control.h"
                     11: 
                     12: 
                     13: void trace_print_events(FILE *stream, fprintf_function stream_printf)
                     14: {
                     15:     fprintf(stderr, "warning: "
                     16:             "cannot print the trace events with the current backend\n");
                     17:     stream_printf(stream, "error: "
                     18:                   "operation not supported with the current backend\n");
                     19: }
                     20: 
                     21: bool trace_event_set_state(const char *name, bool state)
                     22: {
                     23:     fprintf(stderr, "warning: "
                     24:             "cannot set the state of a trace event with the current backend\n");
                     25:     return false;
                     26: }
                     27: 
                     28: bool trace_backend_init(const char *events, const char *file)
                     29: {
                     30:     if (events) {
                     31:         fprintf(stderr, "error: -trace events=...: "
                     32:                 "option not supported by the selected tracing backend\n");
                     33:         return false;
                     34:     }
                     35:     if (file) {
                     36:         fprintf(stderr, "error: -trace file=...: "
                     37:                 "option not supported by the selected tracing backend\n");
                     38:         return false;
                     39:     }
                     40:     return true;
                     41: }

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