mirror of https://gitee.com/openkylin/qemu.git
41 lines
1.2 KiB
C
41 lines
1.2 KiB
C
/*
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* Default implementation for backend initialization from commandline.
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*
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* Copyright (C) 2011-2012 Lluís Vilanova <vilanova@ac.upc.edu>
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*
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* This work is licensed under the terms of the GNU GPL, version 2. See
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* the COPYING file in the top-level directory.
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*/
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#include "trace/control.h"
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void trace_print_events(FILE *stream, fprintf_function stream_printf)
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{
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fprintf(stderr, "warning: "
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"cannot print the trace events with the current backend\n");
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stream_printf(stream, "error: "
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"operation not supported with the current backend\n");
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}
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void trace_event_set_state_dynamic_backend(TraceEvent *ev, bool state)
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{
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fprintf(stderr, "warning: "
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"cannot set the state of a trace event with the current backend\n");
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}
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bool trace_backend_init(const char *events, const char *file)
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{
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if (events) {
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fprintf(stderr, "error: -trace events=...: "
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"option not supported by the selected tracing backend\n");
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return false;
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}
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if (file) {
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fprintf(stderr, "error: -trace file=...: "
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"option not supported by the selected tracing backend\n");
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return false;
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}
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return true;
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}
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